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#include<bits/stdc++.h> #define it register int #define ct const int #define il inline using namespace std; typedef long long ll; #define rll register ll #define cll const ll #define fir first #define sec second const int N=1000005; namespace io{ il char nc(){ static char buf[100000],*p1=buf,*p2=buf; return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++; } template <class I> il void fr(I &num){ num=0;register char c=nc();it p=1; while(c<'0'||c>'9') c=='-'?p=-1,c=nc():c=nc(); while(c>='0'&&c<='9') num=num*10+c-'0',c=nc(); num*=p; } char obuf[1000001],*os=obuf, *ot=obuf+1000001; il void flush(){fwrite(obuf,1,os-obuf,stdout),os=obuf;} il void ptc(const char x){*os++=x,os==ot?flush():void();} template<class I> il void wr(I x){ x<0?ptc('-'),x=-x:0; static char qu[65]; char *tmp=qu; do *tmp++=(x%10)^'0';while(x/=10); while(tmp--!=qu) ptc(*tmp); } struct flusher{ ~flusher() { flush(); } }_; } using namespace io; int n,a[N],lim; vector<ll> b; ll ans,K; template<class I> il void ckMax(I&p,I q){p=(p>q?p:q);} il void dfs1(ct x,cll num){ if(x>lim) return b.push_back(num),void(); dfs1(x+1,num),dfs1(x+1,num+a[x]); } il void dfs2(ct x,cll num){ //printf("x=%d num=%lld\n",x,num); //if(x>n&&num==a[7]) printf("%lld\n",*prev(std::upper_bound(b.begin(),b.end(),K-num))); if(x>n) return num<=K?ckMax(ans,num),0:0,K-num>=b[0]?ckMax(ans,*prev(std::upper_bound(b.begin(),b.end(),K-num))+num),0:0,void(); dfs2(x+1,num),dfs2(x+1,num+a[x]); } int main(){ scanf("%d%lld",&n,&K);it i; for(i=1;i<=n;++i) scanf("%d",&a[i]); ans=0,lim=n>>1,dfs1(1,0),std::sort(b.begin(),b.end()),dfs2(lim+1,0); //for(const auto &i : b) printf("%lld ",i);puts(""); printf("%lld",ans); return 0; }
#include <iostream> #include <vector> #include <queue> #include <map> #include <set> #include <string> #include <algorithm> #include <cmath> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, s, n) for (ll i = s; i < (n); i++) const ll INF = 1ll<<60; class SegmentTree { ll n; // parent of k : (k-1)/2, child of k : 2*k+1, 2*k+2 vector<ll> node; public: SegmentTree(vector<ll> a){ ll n_ = a.size(); // round to power of 2 n = 1; while(n < n_) n *= 2; // initialize tree node.resize(2*n-1, INF); // fill data into tree for (ll i = 0; i < n_; i++) node[n-1+i] = a[i]; for (ll i = n-2; i >= 0; i--) node[i] = min(node[2*i+1], node[2*i+2]); } // [3, 4, 2, 1] RMQ(0, 3) -> 2, RMQ(0, 4) -> 1 ll RMQ(ll a, ll b, ll k=0, ll l=0, ll r=-1){ if (r<0) r = n; if (r<=a || b<=l) return INF; if (a<=l && r<=b) return node[k]; ll vl = RMQ(a, b, 2*k+1, l, (l+r)/2); ll vr = RMQ(a, b, 2*k+2, (l+r)/2, r); return min(vl, vr); } // k番目をvにする void update(ll k, ll v){ k += n-1; node[k] = v; while(k>0){ k = (k-1)/2; node[k] = min(node[k*2+1], node[k*2+2]); } } }; int main(){ ll n; cin >> n; vector<ll> a(n), b(n); rep(i, n) cin >> a[i]; rep(i, n) cin >> b[i]; ll now = 0; ll amax = 0; rep(i, n){ amax = max(amax, a[i]); now = max(now, amax*b[i]); cout << now << endl; } return 0; }
#include <bits/stdc++.h> // clang-format off using namespace std; using ll = long long; using ull = unsigned long long; using pll = pair<ll,ll>; const ll INF = 4e18; void print0() {} template<typename Head,typename... Tail> void print0(Head head,Tail... tail){cout<<fixed<<setprecision(15)<<head;print0(tail...);} void print() { print0("\n"); } template<typename Head,typename... Tail>void print(Head head,Tail... tail){print0(head);if(sizeof...(Tail)>0)print0(" ");print(tail...);} // clang-format on ll gcdf(ll a, ll b) { if (b == 0) { return a; } return gcdf(b, a % b); } vector<ll> divisor(ll n) { vector<ll> res; for (ll i = 1; i * i <= n; i++) { if (n % i == 0) { res.push_back(i); if (i != n / i) { res.push_back(n / i); } } } return res; } int main() { ll N; cin >> N; vector<ll> a(N); ll allmin = INF; for (ll i = 0; i < N; i++) { cin >> a[i]; allmin = min(a[i], allmin); } unordered_map<ll, ll> curgcd; for (auto ai : a) { vector<ll> succeeded; for (auto d : divisor(ai)) { if (d > allmin) continue; if (curgcd.count(d)) { curgcd[d] = gcdf(curgcd[d], ai); } else { curgcd[d] = ai; } } } ll ans = 0; for (auto x : curgcd) { ans += (x.first == x.second); } print(ans); }
///Bismillahir Rahmanir Rahim #include<bits/stdc++.h> #define u64 uint64_t #define ll long long #define endl "\n" #define PI acos(-1) #define fi first #define si second #define mkp make_pair #define pb push_back #define set0(arr) memset(arr, 0, sizeof(arr)) #define setinf(arr) memset(arr, 126, sizeof(arr)) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) (a*b)/gcd(a,b) #define all(x) (x).begin(),(x).end() #define sz(v) ((ll)(v).size()) #define mem(a,b) memset(a, b, sizeof(a)) #define uniq(v) (v).erase(unique(all(v)),(v).end()) #define mchk(mask,pos) (mask & (1<<pos)) #define mset(mask,pos) (mask bitor (1<<pos)) #define munset(mask,pos) (mask ^ (1<<pos)) #define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) using namespace std; using pll = pair<ll, ll> ; using vl = vector<ll> ; using vpll = vector<pll> ; using mll = map<ll, ll> ; using mcl = map<char, ll> ; using msl = map<string,ll> ; using sl = set<ll> ; using sc = set<char> ; using dl = deque<ll> ; const int N = 1e6+5 ; ll mod = 1e9+7 ; vl adj[N] ; vpll adjc[N] ; // Only for this N can't be greater than 1e6+5;segmentation fault; ll vis[N] ; ll arr[N] ; ll sumd(ll a,ll b){return (((a%mod)+(b%mod))%mod);} ll muld(ll a,ll b){return (((a%mod)*(b%mod))%mod);} ll subd(ll a,ll b){return (((a%mod)-(b%mod)+mod)%mod);} bool chk(ll ii,ll jj,ll nn,ll mm){if((0<=ii&&ii<nn)&&(0<=jj&&jj<mm)) return true;else return false;} int main() { IOS; ll a, b, c, d, n, m, p, x, y, z, i, j, k, f = 0, tc, cnt = 0, sum = 0, mul = 1, mi = 1e18, ma = -1e18, cs, q; string str ; char ch ; double db ; ll l, r ; //code cin>>k; sum=0; for(i=1;i<=k;i++) { for(j=1;j<=k;j++) { if(i*j>k) break; sum+=(k/(i*j)); } } cout<<sum<<endl; //code return 0; }
#include<bits/stdc++.h> #define rep(i,a,b) for(int i = a; i < b; i++) #define rrep(i,a,b) for (int i = a - 1; i >= b; i--) #define rng(a) a.begin(), a.end() #define rrng(a) a.rbegin(), a.rend() #define pb push_back #define eb emplace_back #define fi first #define se second #define ll long long #define dbwt(x) std::cout << fixed << setprecision(15) << x << '\n' #define Wt(x) cout << x << '\n' #define re0 return 0 #define Int(...) int __VA_ARGS__; in(__VA_ARGS__) #define Ll(...) long long __VA_ARGS__; in(__VA_ARGS__) #define Str(...) string __VA_ARGS__; in(__VA_ARGS__) #define Vec(t,a,s) vector<t>a(s); in(a) #define Vec2(t,a,b,s) vector<t>a(s),b(s);rep(i,0,s)in(a[i],b[i]) #define Vec3(t,a,b,c,s) vector<t>a(s),b(s),c(s);rep(i,0,s)in(a[i],b[i],c[i]) #define Vec4(t,a,b,c,d,s) vector<t>a(s),b(s),c(s),d(s);rep(i,0,s) in(a[i],b[i],c[i],d[i]) #define mvec(t,a,i) vector<t>(a,i) #define mvec2(t,a,b,i) vector<vector<t>>(a,vector<t>(b,i)) void scan(int& x) {std::cin >> x;} void scan(ll& x) {std::cin >> x;} void scan(double& x) {std::cin >> x;} void scan(std::string& x) {std::cin >> x;} void scan(std::vector<int>& x) {rep (i, 0, x.size()) std::cin >> x[i];} void scan(std::vector<ll>& x) {rep (i, 0, x.size()) std::cin >> x[i];} void in(){} template<class Head, class... Tail> void in(Head& head, Tail&... tail) {scan(head); in(tail...);} template<class T, class U> bool chmax(T& a, U b) {if(a < b){a=b; return true;} return false;} template<class T, class U> bool chmin(T& a, U b) {if(a > b){a=b; return true;} return false;} using namespace std; template<class T> using vvec = vector<vector<T>>; template<class T> void emitvec(vector<T> a) {rep (i, 0, a.size()) cout << a[i] << " "; cout << endl;} struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup; //----------------------------------------------------------------// int N, M; map<pair<int, int>, int> mp; vector<vector<int>> g(100005); vector<int> col(100005, -1); vector<bool> visited(100005, false); void dfs(int v) { visited[v] = true; for (int to: g[v]) { if (visited[to]) continue; if (col[v] == mp[{v, to}]) { col[to] = (col[v] == 1 ? N : 1); } else { col[to] = mp[{v, to}]; } dfs(to); } } int main() { cin >> N >> M; Vec3(int, u, v, c, M); rep (i, 0, M) { mp[{u[i], v[i]}] = mp[{v[i], u[i]}] = c[i]; g[u[i]].pb(v[i]); g[v[i]].pb(u[i]); } col[1] = 1; dfs(1); rep (i, 1, N + 1) cout << col[i] << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1e9+7; vector<vector<pair<int,int>>> ex(500000); vector<bool> seen(500000,false); vector<int> ans(500000,0); void dfs(int now, int par, int c){ if(seen[now]) return; seen[now] = true; if(ans[par] != c) ans[now] = c; else if(c == 0) ans[now] = 1; for(auto p:ex[now]) dfs(p.first, now, p.second); } int main(){ int n,m; cin >> n >> m; for(int i = 0; i < m; i++){ int u,v,c; cin >> u >> v >> c; u--;v--;c--; ex[u].push_back({v,c}); ex[v].push_back({u,c}); } dfs(0,0,0); for(int i = 0; i < n; i++) cout << ans[i]+1 << endl; return 0; }
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;++i) using namespace std; using P = pair<int, int>; using ll = long long; int main() { int i1, j1, i2, j2; cin >> i1 >> j1 >> i2 >> j2; i2 -= i1; j2 -= j1; i1 = 0; j1 = 0; i2 = abs(i2); j2 = abs(j2); if (i2 == 0 && j2 == 0) { cout << 0 << endl; return 0; } if (i2 + j2 <= 3 || i2 == j2) { cout << 1 << endl; return 0; } if (i2 + j2 <= 6 || (i2 + j2) % 2 == 0 || abs(i2 - j2) <= 3) { cout << 2 << endl; return 0; } cout << 3 << endl; return 0; return 0; }
#include<bits/stdc++.h> using namespace std; int a,b,x,y; int main(){ scanf("%d%d%d%d",&a,&b,&x,&y); if(a>b)printf("%d",min((a-b-1)*y+x,x*(((a-b)<<1)-1))); else printf("%d",min((b-a)*y+x,x*(((b-a)<<1)+1))); return 0; }
// #include <iostream> #include <map> #include <iostream> #include <bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) using ll = long long; using P = pair<int,int>; const int INF = 1000000001; const int di[] = {-1, 0, 1, 0}; const int dj[] = {0, -1, 0, 1}; const ll mod = 1000000007; int main(){ int x,y; cin >> x >> y; if(max(x,y) < min(x,y) + 3) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); char c1, c2, c3; cin >> c1 >> c2 >> c3; cout << (c1 == c2 && c2 == c3 && c1 == c3 ? "Won" : "Lost") << '\n'; return 0; }
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> #include <tuple> #include <numeric> #include <utility> using namespace std; namespace { using Integer = long long; //__int128; template<class T, class S> istream& operator >> (istream& is, pair<T,S>& p){return is >> p.first >> p.second;} template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T, class S> ostream& operator << (ostream& os, const pair<T,S>& p){return os << p.first << " " << p.second;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(size_t i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ Integer start_, end_, step_; public: struct range_iterator{ Integer val, step_; range_iterator(Integer v, Integer step) : val(v), step_(step) {} Integer operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(Integer len) : start_(0), end_(len), step_(1) {} range(Integer start, Integer end) : start_(start), end_(end), step_(1) {} range(Integer start, Integer end, Integer step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; inline string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(size_t i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } inline string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; int main(){ int n, w; cin >> n, w; println(n/w); return 0; }
#include<bits/stdc++.h> using namespace std; int main(){ int n,m; cin >> n >> m; cout << n/m << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; const ll dx[4] = { 1, 0, -1, 0 }, dy[4] = { 0, 1, 0, -1 }; const ll ll_inf = ll(1e9) * ll(1e9); #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define M 1000000007 struct UnionFind { //自身が親であれば、その集合に属する頂点数に-1を掛けたもの //そうでなければ親のid vector<ll> r; UnionFind(ll N) { r = vector<ll>(N, -1); } ll root(ll x) { if (r[x] < 0) return x; return r[x] = root(r[x]); } bool unite(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; if (r[x] > r[y]) swap(x, y); r[x] += r[y]; r[y] = x; return true; } ll size(ll x) { return -r[root(x)]; } }; ll coin[101][101][101] = {0}; int main() { ll a, b, x, y, d, s; cin >> a >> b >> x >> y; if (a > b) { d = a - b; if (2 * x < y) { s = (2 * x*d) - x; } else { s = (d - 1)*y + x; } } else { d = b - a; if (2 * x < y) { s = (2 * x*d) + x; } else { s = d * y + x; } } cout << s; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long int ll; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int a,b,x,y; cin>>a>>b>>x>>y; int ans = x; if(a>b) { for(int i=b; i<a-1; i++) ans+=min(2*x,y); } else { for(int i=a; i<b; i++) ans+=min(2*x,y); } cout<<ans<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; //#include<atcoder/all> //using namespace atcoder; using ll = long long; #define For(i,n,k) for(int i=(n);i<(k);i++) #define ALL(a) (a).begin(),(a).end() void solve(vector<vector<int>> &A, vector<vector<int>> &B, int num){ vector<vector<int>> retA(num - 1), retB(num - 1); For(i,0,A.size()){ retA[i] = A[i]; retA[i+A.size()] = A[i]; } int idx = 0; for(int i=0; i<A.size(); i++){ for(auto &e: A[i]) retA[idx].emplace_back(e + num / 2); idx++; } for(int i=0; i<B.size(); i++){ for(auto &e: B[i]) retA[idx].emplace_back(e + num / 2); idx++; } retA[num - 2].clear(); For(i,0,num/2){ retA[num - 2].emplace_back(i); } For(i,0,num - 1){ int t = 0; for(auto &a: retA[i]){ while(t < a){ retB[i].emplace_back(t); t++; } t++; } while(t < num){ retB[i].emplace_back(t); t++; } } swap(A, retA); swap(B, retB); } void Print(vector<vector<int>> &A, vector<vector<int>> &B, int num){ cout << A.size() << endl; For(i,0,A.size()){ string ret(num, 'B'); for(auto c:A[i]) ret[c] = 'A'; cout << ret << endl; } } void Main(){ int tn; cin >> tn; int n = (1 << tn); vector<vector<int>> A(1, {0}), B(1, {1}); for(int num = 2; num < n; num *= 2){ solve(A, B, num * 2); } /* for(int i=0; i<A.size(); i++){ for(auto t:A[i]) cout << t << " "; cout << "vs "; for(auto t:B[i]) cout << t << " "; cout << endl; } cout << A.size() << " " << B.size() << endl; */ Print(A, B, n); } void Editorial(){ int n; cin >> n; cout << ((1<<n)-1) << endl;; For(i,1,1<<n){ For(j,0,1<<n){ cout << (__builtin_parity(i & j) ? 'A' : 'B'); } cout << endl; } } int main(){ // Main(); Editorial(); /* 東方風神録は神が出てくるので当然神ゲー */ return 0; }
#include<bits/stdc++.h> using namespace std; typedef pair<int, int> P; typedef long long ll; int gcd(ll x, ll y){ if(x < y)swap(x, y); if(x % y == 0)return y; return gcd(y, x % y); } int extgcd(ll a, ll b, ll &x, ll &y){ int d = a; if(b != 0){ d = extgcd(b, a % b, y, x); y -= (a / b) * x; }else{ x = 1; y = 0; } return d; } int main(){ int t; cin >> t; vector<ll> ans(t); for(int i = 0; i < t; i++){ ll n, s, k; cin >> n >> s >> k; ll div = gcd(n, k); if(s % div != 0){ ans[i] = -1; continue; } n /= div; s /= div; k /= div; ll x, y; if(k > n) extgcd(k, n, x, y); else extgcd(n, k, y, x); ll m; if(- s * x > 0){ if(s * x % n == 0){ m = - s * x / n - 1; }else{ m = - s * x / n; } }else{ if(s * x % n == 0){ m = - s * x / n - 1; }else{ m = - s * x / n - 1; } } ans[i] = - n * m - s * x; } for(int i = 0; i < t; i++){ cout << ans[i] << endl; } return 0; }
#include <bits/stdc++.h> #define MOD 998244353 #define int long long #define ull unsigned long long #define endl '\n' #define fi first #define se second #define mp make_pair #define pb push_back #define eb emplace_back #define ceil(x,y) (x+y-1)/y #define deb(x) { cerr << #x << '=' << x << '\n'; } #define INF 0x3f3f3f3f using namespace std; int cnt = 0; vector<int> graphrow[100], graphcol[100]; bool used[100]; void dfs(int v, int n); int fact(int n); void solve(){ //code goes here int n,x; cin >> n >> x; vector<int> a[n]; for (int i = 0; i<n; ++i){ a[i].resize(n); for (int j = 0; j<n; ++j){ cin >> a[i][j]; } } for (int i = 0; i<n; ++i){ for (int j = i+1; j<n; ++j){ bool flag = 0; for (int k = 0; k<n; ++k){ if (a[i][k] + a[j][k] > x){ flag = 1; break; } } if (!flag){ graphrow[i].pb(j); graphrow[j].pb(i); } } } int res1 = 1, res2 = 1; for (int i = 0; i<n; ++i){ if (!used[i]){ dfs(i,0); res1 *= fact(cnt); res1%=MOD; cnt = 0; } } memset(used,0,sizeof(used)); for (int i = 0; i<n; ++i){ for (int j = i+1; j<n; ++j){ bool flag = 0; for (int k = 0; k<n; ++k){ if (a[k][i] + a[k][j] > x){ flag = 1; break; } } if (!flag){ graphcol[i].pb(j); graphcol[j].pb(i); } } } for (int i = 0; i<n; ++i){ if (!used[i]){ dfs(i,1); res2 *= fact(cnt); res2%=MOD; cnt = 0; } } int res = res1*res2; res%=MOD; cout << res; } signed main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); solve(); } void dfs(int v, int n){ used[v] = 1; cnt++; if (n==0){ for (auto i:graphrow[v]){ if (!used[i]) dfs(i, 0); } } else{ for (auto i:graphcol[v]){ if (!used[i]) dfs(i, 1); } } } int fact(int n){ int res = 1; if (n==0) return res; for (int i = 1; i<=n; ++i){ res*=i; res%=MOD; } return res; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define FOR(i,n,m) for(int i=(int)(n); i<=(int)(m); i++) #define RFOR(i,n,m) for(int i=(int)(n); i>=(int)(m); i--) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define RITR(x,c) for(__typeof(c.rbegin()) x=c.rbegin();x!=c.rend();x++) #define setp(n) fixed << setprecision(n) template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } #define ll long long #define vll vector<ll> #define vi vector<int> #define pll pair<ll,ll> #define pi pair<int,int> #define all(a) (a.begin()),(a.end()) #define rall(a) (a.rbegin()),(a.rend()) #define fi first #define se second #define pb push_back #define ins insert #define debug(a) cerr<<(a)<<endl #define dbrep(a,n) rep(_i,n) cerr<<(a[_i])<<" "; cerr<<endl #define dbrep2(a,n,m) rep(_i,n){rep(_j,m) cerr<<(a[_i][_j])<<" "; cerr<<endl;} using namespace std; template<class A, class B> ostream &operator<<(ostream &os, const pair<A,B> &p){return os<<"("<<p.fi<<","<<p.se<<")";} template<class A, class B> istream &operator>>(istream &is, pair<A,B> &p){return is>>p.fi>>p.se;} //------------------------------------------------- //--ModInt //------------------------------------------------- const uint_fast64_t MOD = 1e9+7; class mint { private: using Value = uint_fast64_t; Value n; public: mint():n(0){} mint(int_fast64_t _n):n(_n<0 ? MOD-(-_n)%MOD : _n%MOD){} mint(const mint &m):n(m.n){} friend ostream& operator<<(ostream &os, const mint &a){ return os << a.n; } friend istream& operator>>(istream &is, mint &a){ Value temp; is>>temp; a = mint(temp); return is; } mint& operator+=(const mint &m){n+=m.n; n=(n<MOD)?n:n-MOD; return *this;} mint& operator-=(const mint &m){n+=MOD-m.n; n=(n<MOD)?n:n-MOD; return *this;} mint& operator*=(const mint &m){n=n*m.n%MOD; return *this;} mint& operator/=(const mint &m){return *this*=m.inv();} mint& operator++(){return *this+=1;} mint& operator--(){return *this-=1;} mint operator+(const mint &m) const {return mint(*this)+=m;} mint operator-(const mint &m) const {return mint(*this)-=m;} mint operator*(const mint &m) const {return mint(*this)*=m;} mint operator/(const mint &m) const {return mint(*this)/=m;} mint operator++(int){mint t(*this); *this+=1; return t;} mint operator--(int){mint t(*this); *this-=1; return t;} bool operator==(const mint &m) const {return n==m.n;} bool operator!=(const mint &m) const {return n!=m.n;} mint operator-() const {return mint(MOD-n);} mint pow(Value b) const { mint ret(1), m(*this); while(b){ if (b & 1) ret*=m; m*=m; b>>=1; } return ret; } mint inv() const {return pow(MOD-2);} }; mint comb(ll a, ll b) { if (a<b) return mint(0); mint nume = 1; mint deno = 1; rep(i,b){ nume*=a-i; deno*=i+1; } return nume/deno; } //------------------------------------------------- int main(void) { cin.tie(0); ios::sync_with_stdio(false); ll N,M; cin>>N>>M; vll a(N); rep(i,N) cin>>a[i]; ll sum = 0; rep(i,N) sum+=a[i]; cout<<comb(N+M,sum+N)<<"\n"; return 0; }
#include <bits/stdc++.h> using namespace std; template <typename A, typename B> ostream& operator <<(ostream& out, const pair<A, B>& a) { out << "(" << a.first << ", " << a.second << ")"; return out; } template <typename T, size_t N> ostream& operator <<(ostream& out, const array<T, N>& a) { out << "["; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0; } out << "]"; return out; } template<typename T> ostream& operator <<(ostream& out, const vector<T>& a) { out << "["; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0; } out << "]"; return out; } template<typename T> ostream& operator <<(ostream& out, const vector<vector<T>>& a) { bool first = true; for (auto& v : a) { if (!first) out << " "; for (auto& p : v) out << p << " "; out << "\n"; first = 0; } return out; } template <typename T, class Cmp> ostream& operator <<(ostream& out, const set<T, Cmp>& a) { out << "{"; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0; } out << "}"; return out; } template <typename T, class Cmp> ostream& operator <<(ostream& out, const multiset<T, Cmp>& a) { out << "{"; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0; } out << "}"; return out; } template <typename U, typename T, class Cmp> ostream& operator <<(ostream& out, const map<U, T, Cmp>& a) { out << "{"; bool first = true; for (auto& p : a) { out << (first ? "" : ", "); out << p.first << ":" << p.second; first = 0; } out << "}"; return out; } #ifdef LOCAL #define debug(...) dbg(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) 0 #endif template <typename Arg1> void dbg(const char* name, Arg1&& arg1) { cerr << name << ": " << arg1 << endl; } template <typename Arg1, typename... Args> void dbg(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << ": " << arg1 << " |"; dbg(comma + 1, args...); } int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<int> p(n), pos(n + 1); for (int i = 0; i < n; i++) { cin >> p[i]; pos[p[i]] = i; } vector<int> b(n); iota(b.begin(), b.end(), 1); vector<bool> swapped(n); vector<int> res; for (int i = 0; i < n; i++) { if (p[i] != b[i]) { int idx = pos[b[i]]; while (idx > i) { if (swapped[idx - 1]) { cout << "-1\n"; return 0; } swap(p[idx - 1], p[idx]); swap(pos[idx - 1], pos[idx]); swapped[idx - 1] = true; res.emplace_back(idx); --idx; } } } if (res.size() != (n - 1)) cout << "-1\n"; else { for (int& p : res) cout << p << '\n'; } return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) repi(i,0,n) #define repi(i,a,b) for(int i=int(a);i<int(b);++i) #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__) #define ALL(x) (x).begin(),(x).end() template<class T>bool umax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;} template<class T>bool umin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;} #ifdef _GLIBCXX_DEBUG void _debug_out() { cerr << endl; } template <typename Head, typename... Tail> void _debug_out(Head H, Tail... T) { cerr << " " << H; _debug_out(T...); } #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", _debug_out(__VA_ARGS__) #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define debug(...) #define eprintf(...) #endif int main() { int n; cin >> n; int INF=int(1e9)+1; int ans = INF; rep(i,n) { int a,p,x; cin >> a >> p >> x; if(x <= a) continue; umin(ans,p); } if(ans==INF) ans = -1; cout << ans << endl; }
#include<bits/stdc++.h> #define ll long long int #define pb push_back #define ppb pop_back #define fast_io ios_base::sync_with_stdio(false);cin.tie(NULL) #define fr(a,b) for(int i = a; i < b; i++) #define rep(i,a,b) for(int i=a;i<b;i++) #define all(x) (x).begin(),(x).end() #define ppc __builtin_popcount #define ppcll __builtin_popcountll #define mem1(a) memset(a,-1,sizeof(a)) #define mem0(a) memset(a,0,sizeof(a)) #define endl '\n' using namespace std; const ll MOD=1e9+7; const ll INF= 998244353; const ll N=1e6+1; /*ll fact(ll n) { ll res = 1; for (ll i = 2; i <= n; i++) res = res * i; return res; } ll nCr(ll n, ll r) { return fact(n) / (fact(r) * fact(n - r)); } // Returns factorial of n */ /*ll gcd(ll a, ll b) { if(b==0) return a; return gcd(b,a%b); } ll lcm(ll a,ll b) { return (a*b)/gcd(a,b); } */ /*bool isprime(ll n) { ll i; for(i=2;i*i<=n;i++) { if(n%i==0) { return false; } } return true; }*/ void solve() { ll n; cin>>n; ll num=(n/100)+1; cout<<abs((num*100)-n)<<endl; } int main() { fast_io; cin.tie(0);cout.tie(0); ll t; t=1; //cin>>t; while(t--) { solve(); } return 0; }
#include <iostream> #include <cstdio> #include <algorithm> using namespace std; int main() { int n; cin >> n; int d = n % 1000; int p = n / 100 % 10 + 1; p *= 100; cout << p - d << "\n"; return 0; }
#include <bits/stdc++.h> #define ll long long #define ls id << 1 #define rs id << 1 | 1 #define mem(array, value, size, type) memset(array, value, ((size) + 5) * sizeof(type)) #define memarray(array, value) memset(array, value, sizeof(array)) #define fillarray(array, value, begin, end) fill((array) + (begin), (array) + (end) + 1, value) #define fillvector(v, value) fill((v).begin(), (v).end(), value) #define pb(x) push_back(x) #define st(x) (1LL << (x)) #define pii pair<int, int> #define mp(a, b) make_pair((a), (b)) #define Flush fflush(stdout) #define vecfirst (*vec.begin()) #define veclast (*vec.rbegin()) #define vecall(v) (v).begin(), (v).end() #define vecupsort(v) (sort((v).begin(), (v).end())) #define vecdownsort(v, type) (sort(vecall(v), greater<type>())) #define veccmpsort(v, cmp) (sort(vecall(v), cmp)) using namespace std; const int N = 5050; const int inf = 0x3f3f3f3f; const ll llinf = 0x3f3f3f3f3f3f3f3f; const int mod = 998244353; const int MOD = 1e9 + 7; const double PI = acos(-1.0); clock_t TIME__START, TIME__END; void program_end() { #ifdef ONLINE printf("\n\nTime used: %.6lf(s)\n", ((double)TIME__END - TIME__START) / 1000); system("pause"); #endif } int sum[4][N]; char c[] = {'A', 'T', 'C', 'G'}; int n; char s[N]; bool check1(int l, int r) { int tmp1 = sum[0][r] - sum[0][l - 1]; int tmp2 = sum[1][r] - sum[1][l - 1]; int tmp3 = sum[2][r] - sum[2][l - 1]; int tmp4 = sum[3][r] - sum[3][l - 1]; if (tmp1 > 0 && tmp2 > 0 && tmp3 > 0 && tmp4 > 0 && tmp1 == tmp2 && tmp3 == tmp4) return 1; if (tmp1 + tmp2 == 0 && tmp3 > 0 && tmp4 > 0 && tmp3 == tmp4) return 1; if (tmp1 > 0 && tmp2 > 0 && tmp3 + tmp4 == 0 && tmp1 == tmp2) return 1; return 0; } inline void solve() { cin >> n; scanf("%s", s + 1); for (int i = 1; i <= n; ++i) { for (int j = 0; j < 4; ++j) sum[j][i] = sum[j][i - 1] + (s[i] == c[j]); } int ans = 0; for (int i = 1; i <= n; ++i) { for (int j = i + 1; j <= n; ++j) { if (check1(i, j)) ans++; } } printf("%d\n", ans); } int main() { TIME__START = clock(); int Test = 1; // scanf("%d", &Test); while (Test--) { solve(); // if (Test) // putchar('\n'); } TIME__END = clock(); program_end(); return 0; }
#include<bits/stdc++.h> using namespace std; #define reg register typedef long long ll; #define getchar()(p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++) static char buf[100000],*p1=buf,*p2=buf; inline int read(void){ reg bool f=false; reg char ch=getchar(); reg int res=0; while(!isdigit(ch))f|=(ch=='-'),ch=getchar(); while(isdigit(ch))res=10*res+(ch^'0'),ch=getchar(); return f?-res:res; } inline ll readll(void){ reg bool f=false; reg char ch=getchar(); reg ll res=0; while(!isdigit(ch))f|=(ch=='-'),ch=getchar(); while(isdigit(ch))res=10ll*res+(ch^'0'),ch=getchar(); return f?-res:res; } const int MAXN=50+5; int n; ll x; ll a[MAXN]; map<ll,ll> f,g; int main(void){ n=read(),x=readll(); for(reg int i=1;i<=n;++i) a[n-i+1]=readll(); ll x0=x/a[1]*a[1]; f[x0]=1; if(x0!=x) f[x0+a[1]]=1; for(reg int i=2;i<=n;++i){ g.clear(); reg ll Max=a[i-1]/a[i]; for(auto it:f){ reg ll d=x-it.first,m=d/a[i]; ll y=it.first+m*a[i]; if(abs(m)<Max) g[y]+=it.second; if(y!=x&&abs(m)+1<Max) g[y+a[i]*(d/abs(d))]+=it.second; } swap(f,g); } printf("%lld\n",f[x]); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long // template <class T = ll> using P = pair< T,T>; template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; #define rep(i,n) for(int i=0; i<(n);++i) #define repp(i, l, r) for(int i = (l); i < (r); ++i) #define pb push_back #define all(v) (v).begin(), (v).end() int main() { int n; cin >> n; V<pair<int,int>> x(n); V<pair<int,int>> y(n); rep(i, n) { cin >> x[i].first >> y[i].first; x[i].second = i; y[i].second = i; } sort(all(x), greater<pair<int,int>>()); sort(all(y), greater<pair<int,int>>()); V<pair<pair<int,int>,int>> ans; { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[0].second; a.second = x[n-1].second; can.first = a; can.second = x[0].first - x[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[0].second; a.second = y[n-1].second; can.first = a; can.second = y[0].first - y[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[1].second; a.second = x[n-1].second; can.first = a; can.second = x[1].first - x[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[0].second; a.second = x[n-2].second; can.first = a; can.second = x[0].first - x[n-2].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[1].second; a.second = y[n-1].second; can.first = a; can.second = y[1].first - y[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[0].second; a.second = y[n-2].second; can.first = a; can.second = y[0].first - y[n-2].first; ans.push_back(can); } sort(all(ans), [](auto lhs, auto rhs){return lhs.second > rhs.second;}); ll cnt = 0; pair<int,int> pre; for(auto abc : ans){ if(pre == abc.first) continue; cnt++; pre = abc.first; if(cnt == 2){ cout << abc.second << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; int n; vector<pair<int,int> > x,y; vector<int> ans; map<pair<int,int>,int > ma; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin>>n; for(int i=1;i<=n;i++) { int u,v; cin>>u>>v; x.push_back({u,i}); y.push_back({v,i}); } sort(x.begin(),x.end()); sort(y.begin(),y.end()); int a=x.size(); int b=y.size(); for(int i=a-1;i>=a-3;i--) { ans.push_back(abs(x[0].first-x[i].first)); ma[{x[0].second,x[i].second}]=1; } for(int i=0;i<3;i++) { if(ma[{x[i].second,x[x.size()-1].second}]==0) { ans.push_back(abs(x[i].first-x[x.size()-1].first)); ma[{x[i].second,x[x.size()-1].second}]=1; } } for(int i=b-1;i>=b-3;i--) { if(ma[{y[0].second,y[i].second}]==0) { ans.push_back(abs(y[0].first-y[i].first)); ma[{y[0].second,y[i].second}]=1; } } for(int i=0;i<3;i++) { if(ma[{y[i].second,y[x.size()-1].second}]==0) { ans.push_back(abs(y[i].first-y[x.size()-1].first)); ma[{x[i].second,x[x.size()-1].second}]=1; } } sort(ans.begin(),ans.end()); cout<<ans[ans.size()-2]; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; ll getNcR(int n, int r) { // p holds the value of n*(n-1)*(n-2)..., // k holds the value of r*(r-1)... long long p = 1, k = 1; // C(n, r) == C(n, n-r), // choosing the smaller value if (n - r < r) r = n - r; if (r != 0) { while (r) { p *= n; k *= r; // gcd of p, k long long m = __gcd(p, k); // dividing by gcd, to simplify // product division by their gcd // saves from the overflow p /= m; k /= m; n--; r--; } // k should be simplified to 1 // as C(n, r) is a natural number // (denominator should be 1 ) . } else p = 1; // if our approach is correct p = ans and k =1 return p; } int main() { ll k; int a, b; int n; cin >> a >> b >> k; string s = " "; n=(a+b); for (int i = 0; i < n; i++) { if (a == 0) { s.push_back('b'); b--; } else if (b == 0) { s.push_back('a'); a--; } else { ll exper = getNcR(a + b -1 , a - 1); if (exper >= k) { s.push_back('a'); a--; } else { s.push_back('b'); k -= exper; b--; } } } cout<<s<<endl; }
#pragma GCC optimize("Ofast") #include<bits/stdc++.h> using namespace std; #define dd double #define ll long long int #define ull unsigned long long #define lld long double #define setpre(n) cout << std::setprecision(n); #define flush fflush(stdin); fflush(stdout); #define print cout<<"Case #"<<test_case<<": "; #define light ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define pb push_back #define ppb pop_back #define mkp make_pair #define pi pair<ll,ll> #define pii pair<ll,pi> #define fi first #define sc second #define PI 3.141592653589793238462 #ifndef ONLINE_JUDGE #define debug(x) cerr << #x <<" "; _print(x); cerr << endl; #else #define debug(x) #endif void _print(ll t) {cerr << t;} void _print(int t) {cerr << t;} void _print(string t) {cerr << t;} void _print(char t) {cerr << t;} void _print(lld t) {cerr << t;} void _print(double t) {cerr << t;} void _print(ull t) {cerr << t;} template <class T, class V> void _print(pair <T, V> p); template <class T> void _print(vector <T> v); template <class T> void _print(set <T> v); template <class T, class V> void _print(map <T, V> v); template <class T> void _print(multiset <T> v); template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.fi); cerr << ","; _print(p.sc); cerr << "}";} template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";} ll mod1 = 1e9+7; ll INF=1e9+5; ll mod=998244353; void solve(ll test_case){ ll a,b,k; cin>>a>>b>>k; k--; vector<vector<ll> > dp(31,vector<ll>(61)); ll i,j; for(i=1;i<=60;i++) dp[1][i] = i; for(i=2;i<=30;i++){ for(j=i;j<=60;j++){ dp[i][j] = dp[i-1][j-1]+dp[i][j-1]; } } debug(dp) ll no2 = b; vector<char> ans(a+b,'a'); while(k){ ll in = upper_bound(dp[no2].begin(),dp[no2].end(),k) - dp[no2].begin() - 1; ans[a+b-1-in] = 'b'; k-=dp[no2][in]; no2--; } ll in = a+b-1; b = no2; while(b){ //cout<<ans[in]<<" "; if(ans[in]!='b'){ ans[in] = 'b'; in--; b--; } else in--; } for(auto ele:ans) cout<<ele; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); freopen("Error.txt", "w", stderr); #endif light; ll t=1; //cin>>t; ll i=1ll; while(t--){ solve(i); i++; } }
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <math.h> #include <map> //#include <set> using namespace std; typedef long long LONG; #include <iomanip> LONG gcd(LONG x, LONG y) { if(x % y == 0) { return y; } else { return gcd(y, x % y); //x%y==0でないときはユーグリットの互除法を使って再帰的に関数を呼び出す。 } } void print(vector<int>A){ for(size_t i=0;i<A.size();i++){ if(A[i]==1){ cout<<'('; }else{ cout<<')'; } } } bool comp1(pair<int,int> lhs, pair<int,int>rhs) { return lhs.first<rhs.first; } bool comp2(pair<string,int> lhs, pair<string,int>rhs) { return lhs.second<rhs.second; } void solve(int min,int max,vector<int>&A,int B){ if(min+1==max){ cout<<std::min(A[max]-B,B-A[min])<<endl; return; } int a=(min+max)/2; if(A[a]<B){ solve(a,max,A,B); }else{ solve(min,a,A,B); } } LONG pow2(LONG a,LONG b){ LONG res=1; for(int i=0;i<b;i++){ res=res*a; } return a; } void solve1(vector<bool>&A,vector<LONG>&C,int pos,vector<vector<pair<int,LONG>>>&path){ for(int i=0;i<path[pos].size();i++){ if(!A[path[pos][i].first]){ A[path[pos][i].first]=true; C[path[pos][i].first]=C[pos]^path[pos][i].second; solve1(A,C,path[pos][i].first,path); } } } int min(int a,int b){ if(a<b){ return a; } return b; } const LONG mod=1000000007; int main() { cout << std::fixed << std::setprecision(15) << endl; LONG N; cin>>N; vector<LONG>A(N); for(int i=0;i<N;i++){ cin>>A[i]; } sort(A.begin(),A.end()); int a=A[A.size()/2]; double result=0; for(int i=0;i<N;i++){ result+=min(A[i],a)-A[i]; } cout<<-(result/N-a/2.0); }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef double db; #define fi first #define se second #define mp make_pair #define pb push_back #define all(a) a.begin(),a.end() typedef pair<ll,ll> pi; //__builtin_popcountll(2) (the number of ones in the binary representation) //__builtin_clz(2) (number of leading zeroes) //__builtin_ctz(2) (number of trailing zeroes) /*#include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>*/ // s.find_by_order(k)(returns iterator to kth element), s.order_of_key(k)(number of elements less than number) ll mod = 1e9+7; vector<ll> fact(1); /*vector<ll> spf(10000005), cntPrime(10000005); void spff(){ int i; for(i=1;i<10000005;i++) spf[i] = i; for(i=2;i*i<10000005;i++) { if(spf[i] != i) continue; for(int j = i*i; j < 10000005; j+= i){ if(spf[j]==j) spf[j] = i; } } for(i=1;i<10000005;i++){ if(spf[i] != spf[i/spf[i]]){ cntPrime[i] = cntPrime[i/spf[i]]+1; } else cntPrime[i] = cntPrime[i/spf[i]]; } } while(spf[a[i]]!=a[i]){ z=spf[a[i]]; while(a[i]%z==0) a[i]/=z; m[z]++; } if(a[i]>1) m[a[i]]++;*/ ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll power(ll x, ll y) { ll temp; if( y == 0) return 1; temp = power(x, y/2); if (y%2 == 0) return temp*temp; else return x*temp*temp; } ll power(ll x, ll y, ll p) { ll res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } ll modInv(ll n, ll p) { return power(n, p - 2, p); } ll ncr(ll n, ll r) {return (n>=r?(fact[n]*modInv(fact[r],mod))%mod*modInv(fact[n-r],mod)%mod:0);} ll add(ll a, ll b) {ll z=a+b; if(z>=mod) z -= mod; return z;} ll mul(ll a, ll b) { return (a*b)%mod;} ll sub(ll a, ll b) { return (a-b+mod)%mod;} // LLONG_MAX int main() { ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); ll t=1,n,i,j,m; //cin>>t; //fact[0]=1; //for(i=1;i<300003;i++)fact[i]=(fact[i-1]*i)%mod; while(t--) { cin>>n; cout<<fixed<<setprecision(10); vector<db> a(n); db sum=0, mx=0; for(i=0;i<n;i++) { cin>>a[i]; mx=max(mx,a[i]); sum+=a[i]; } db sm = (mx/10000000); db lo=0, hi=mx/2.0-sm, mid; //cout<<sum/n; db cur=0; while(lo <= hi){ //cout<<lo<<' '<<hi<<endl; mid = (lo+hi)/2.0; db prev=0,aft=0; cur=0; for(i=0;i<n;i++){ prev -= min(a[i], 2*(mid-sm)); cur -= min(a[i], 2*mid); aft -= min(a[i], 2*(mid+sm)); } prev /= n; cur /= n; aft /= n; prev+=mid-sm+(sum/n);aft+=mid+sm+(sum/n);cur+=mid+(sum/n); //cout<<prev<<'q'<<cur<<'q'<<aft<<"\n\n"; if(cur < prev && cur < aft) break; if(prev > cur) lo = mid+sm; else hi = mid-sm; } cout<<cur; } }
#include <bits/stdc++.h> using namespace std; const int MOD = 1077563119; int n, m; bool edge[20][20]; int chromaticNumber(const vector<int> &g) { int n = g.size(); if (n == 0) return 0; //randomly choose a large prime const int modulo = 1077563119; int all = 1 << n; vector<int> ind(all), s(all); for (int i = 0; i < all; i ++) s[i] = ((n - __builtin_popcount(i)) & 1 ? -1 : 1); ind[0] = 1; for (int i = 1; i < all; i ++) { int ctz = __builtin_ctz(i); ind[i] = ind[i - (1 << ctz)] + ind[(i - (1 << ctz)) & ~g[ctz]]; if (ind[i] >= modulo) ind[i] -= modulo; } //compute the chromatic number (= \sum (-1)^{n - |i|} * ind(i)^k) for (int k = 1; k < n; k ++) { long long sum = 0; for (int i = 0; i < all; i ++) { long long cur = ((s[i] * (long long) ind[i]) % modulo); s[i] = cur; sum += cur; } if (sum % modulo != 0) return k; } return n; } int main() { #ifdef ACM freopen("input", "r", stdin); #endif cin >> n >> m; int u, v; while (m--) { cin >> u >> v; u--, v--; edge[u][v] = edge[v][u] = true; } vector<int> g(n); for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) if (!edge[i][j]) { g[i] += (1 << j); g[j] += (1 << i); } cout << chromaticNumber(g); }
#include <bits/stdc++.h> #define TRACE(x) cerr << #x << " = " << x << endl #define pb push_back #define mp make_pair #define fi first #define se second #define FOR(i, a, b) for(int i = (a); i < (b); i++) #define REP(i, n) FOR(i, 0, n) #define SZ(x) (int)(x).size() using namespace std; typedef long long ll; typedef double lf; typedef pair<int, int> pii; typedef vector<int> VI; template<class Num> Num mabs(Num A){ if(A < 0) return -A; return A; } int main(){ int n, m; cin >> n >> m; VI hei(n); VI moje(m); REP(i, n) cin >> hei[i]; REP(i, m) cin >> moje[i]; sort(hei.begin(), hei.end()); vector<ll> pref_prije(n + 2, 0), suf_nakon(n + 2, 0); for(int i = 0; i < n - 1; i += 2){ pref_prije[i] = (ll)(hei[i + 1] - hei[i]); if(i) pref_prije[i] += pref_prije[i - 1]; pref_prije[i + 1] = pref_prije[i]; if(i + 2 >= n - 1) pref_prije[i + 2] = pref_prije[i]; } for(int i = n - 1; i >= 1; i -= 2){ suf_nakon[i] = (ll)(hei[i] - hei[i - 1]); suf_nakon[i] += suf_nakon[i + 1]; suf_nakon[i - 1] = suf_nakon[i]; if(i - 2 < 1 && i - 2 >= 0) suf_nakon[i - 2] = suf_nakon[i]; } //REP(i, n) // cout << pref_prije[i] << ' '; //cout << endl; //REP(i, n) // cout << suf_nakon[i] << ' '; //cout << endl; // //return 0; ll ans = (ll)2e18; REP(i, m){ int val = moje[i]; int pos = lower_bound(hei.begin(), hei.end(), val) - hei.begin(); ll tmp = 0ll; if(pos % 2 == 0){ //prije ih je parno if(pos > 0) tmp = pref_prije[pos - 1]; if(pos < n) tmp += (ll)(hei[pos] - val); if(pos + 1 <= n) tmp += suf_nakon[pos + 1]; } else{ if(pos >= 2) tmp = pref_prije[pos - 2]; if(pos > 0) tmp += (ll)(val - hei[pos - 1]); if(pos <= n) tmp += suf_nakon[pos]; } //TRACE(tmp); ans = min(ans, tmp); } cout << ans << '\n'; return 0; }
#include <cstdio> using u32 = unsigned int; using u64 = unsigned long long int; constexpr u32 mod = 998244353; int n, m, k; /* A1 ... AN B1 ... BM Bmin >= Amax */ u32 modpow(u32 a, u32 n){ u32 r = 1; for(; n; n>>=1){ if(n&1) r = (u64) r * a % mod; a = (u64) a * a % mod; } return r; } int main(){ scanf("%d%d%d", &n, &m, &k); u64 ans = 0; if(n == 1){ for(int i = 1; i <= k; i++){ ans += modpow(k - i + 1, m) - modpow(k - i, m) + mod; } } else if(m == 1){ for(int i = 1; i <= k; i++){ ans += modpow(i, n) - modpow(i - 1, n) + mod; } } else { for(int i = 1; i <= k; i++){ ans += (u64) (modpow(i, n) - modpow(i-1, n) + mod) * modpow(k - i + 1, m) % mod; } } printf("%llu\n", ans % mod); return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <functional> #include <chrono> #define int long long #define ld long double #define db double #define endl "\n" #define pb push_back #define mp make_pair #define all(x) x.begin(), x.end() using namespace __gnu_pbds; using namespace std; using namespace chrono; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; void deb_out() { cout << endl; } template <typename Head, typename... Tail> void deb_out(Head H, Tail... T) { cout << " " << H; deb_out(T...); } #ifdef LOCAL #define deb(...) cout << "[" << #__VA_ARGS__ << "]:", deb_out(__VA_ARGS__); #else #define deb(...) ; #endif const long double PI = 3.14159265358979323846264338; const long long INF = 1000000000000000000; const long long INF1 = 1000000000; // const long long MOD = 1000000007; const long long MOD = 998244353; inline int cl(int a, int b){ if(a % b) return 1 + a / b; return a / b; } int mpow(int a, int b){ a %= MOD; if(!b) return 1; int temp = mpow(a, b / 2); temp = (temp * temp) % MOD; if(b % 2) return (a * temp) % MOD; return temp; } int _pow(int a, int b){ if(!b) return 1; int temp = _pow(a, b / 2); temp = (temp * temp); if(b % 2) return (a * temp); return temp; } inline int mod_in(int n){ return mpow(n, MOD - 2); } const int N = 2e5 + 5; int fct[N], infct[N]; void pre() { fct[0] = 1; infct[0] = mod_in(1); for (int i = 1 ; i < N ; i++) { fct[i] = (i * fct[i - 1]) % MOD; infct[i] = mod_in(fct[i]); } } int nCr(int n, int r) { if (n < r) return 0; int v = (fct[n] * infct[n - r]) % MOD; v *= infct[r]; return v % MOD; } int put(int n, int r) { if (r < 1) return 0; return nCr(n + r - 1, r - 1); } int32_t main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int Tests = 1; // cin >> Tests; pre(); while (Tests--) { int n, m, k; cin >> n >> m >> k; int ans = 0; ans = 0; if (n == 1) { ans = mpow(k, m); cout << ans; exit(0); } else if (m == 1) { ans = mpow(k, n); cout << ans; exit(0); } deb(ans) for (int i = 1 ; i <= k ; i++) { int lss = mpow(i, n); if (i > 1) lss -= mpow(i - 1, n); lss = (lss + MOD) % MOD; // int more = mpow(m, k - i + 1); // deb(i, lss, mpow(k - i + 1, m)); lss *= mpow(k - i + 1, m); ans += lss % MOD; ans %= MOD; // deb(i, ans) } // int ans = put(n + m, k); cout << ans << endl; } }
#include<bits/stdc++.h> #define PI 3.141592653589793238462 #define eps 1e-20 using namespace std; typedef long long ll; typedef long double db; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<db,db> pdd; ll a[200005],d[200005][20],vis[20],mod=1e9+7; int main(){ string s;ll k;cin>>s>>k; ll n=s.length(),t=0;s=" "+s; for(ll i=1;i<=n;i++){ if(s[i]>='A') a[i]=(s[i]-'A')+10; else a[i]=(s[i]-'0'); } d[1][1]=a[1]-1; for(ll i=1;i<n;i++){ if(!vis[a[i]]){ t++;vis[a[i]]=1; } for(ll j=1;j<=k;j++){ d[i+1][j]+=d[i][j]*j;d[i+1][j]%=mod; if(j+1<=16) d[i+1][j+1]+=d[i][j]*(16-j),d[i+1][j+1]%=mod; } for(ll j=0;j<a[i+1];j++){ if(vis[j]) d[i+1][t]++; else d[i+1][t+1]++; } d[i+1][1]+=15;d[i+1][1]%=mod; } if(vis[a[n]]) d[n][t]++; else d[n][t+1]++; cout<<d[n][k]%mod<<endl; }
#include<bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define all(a) a.begin(),a.end() #define fi first #define se second #define deb(x) cout << #x << "=" << x << endl #define clr(x) memset(x, 0, sizeof(x)) #define rep(i,k,n) for(int i=k;k<n?i<n:i>n;k<n?i+=1:i-=1) int M=1e9+7,N=205001; int mm(int x,int y){x%=M,y%=M;return (x*y)%M;}//Modular Multiply int po(int x,int y){ if(!y)return 1;int a=po(x,y/2)%M;if(y%2)return mm(a,mm(a,x));return mm(a,a);}//(x**y)%M int solve(vector<int>& h) { int n=h.size(),mx=0; if(!n) return 0; int nsl[n],nsr[n]; stack<int> s; for(int i=0;i<n;i++){ while(!s.empty() and h[s.top()]>=h[i]) s.pop(); nsl[i]=((s.empty())?-1:s.top()); s.push(i); } while(!s.empty()) s.pop(); for(int i=n-1;i>=0;i--){ while(!s.empty() and h[s.top()]>=h[i]) s.pop(); nsr[i]=((s.empty())?n:s.top()); s.push(i); } for(int i=0;i<n;i++) mx=max(mx,h[i]*(nsr[i]-nsl[i]-1)); return mx; } signed main(){ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); int n; cin>>n; vector<int> h(n); rep(i,0,n) cin>>h[i]; cout<<solve(h); }
#include <bits/stdc++.h> using namespace std; typedef long long int lli; int main() { ios::sync_with_stdio(false); cin.tie(0); int n;string s; cin >> n >> s; pair<int,int> a[n][n]; for(int i=0;i<n;i++) { pair<int,int> temp(0,0); if(s[i] == 'A') temp.first = 1; else if(s[i] == 'T') temp.first = -1; else if(s[i] == 'C') temp.second = 1; else temp.second = -1; a[i][i] = temp; } lli count = 0; for(int len=1;len<n;len++) { int i=0; int j=i+len; while(j<n) { pair<int,int> temp = a[i][j-1]; if(s[j] == 'A') temp.first++; else if(s[j] == 'T') temp.first--; else if(s[j] == 'C') temp.second++; else temp.second--; if(temp.first == 0 and temp.second == 0) count++; a[i][j] = temp; i++; j = i+len; } } cout << count << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int H,W,X,Y; cin>>H>>W>>X>>Y; vector<vector<char>> S(H, vector<char>(W)); for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { cin >> S.at(i).at(j); } } string temp; temp = "#"; int Z; Z=1;//位置するますの分 //ここから左右を足す for (int i = Y-2; i > -1; i--){ temp = S.at(X-1).at(i); if(temp=="."){ Z++; }else{ break; } }//左のぶん for (int i = Y; i < W; i++){ temp = S.at(X-1).at(i); if(temp=="."){ Z++; }else{ break; } }//右のぶん for (int i = X-2; i > -1; i--){ temp = S.at(i).at(Y-1); if(temp=="."){ Z++; }else{ break; } }//上のぶん for (int i = X; i < H; i++){ temp = S.at(i).at(Y-1); if(temp=="."){ Z++; }else{ break; } }//したのぶん cout<<Z<<endl; }
//Codeforcesで128bit整数を使いたいとき //→__int128_tを使う&GNU C++17 (64)で提出する //インクルードなど #include<bits/stdc++.h> using namespace std; typedef long long ll; //イテレーション #define REP(i,n) for(ll i=0;i<ll(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=ll(b);i++) #define FORD(i,a,b) for(ll i=a;i>=ll(b);i--) #define FORA(i,I) for(const auto& i:I) //x:コンテナ #define ALL(x) x.begin(),x.end() #define SIZE(x) ll(x.size()) //定数 #define INF32 2147483647 //2.147483647×10^{9}:32bit整数のinf #define INF64 9223372036854775807 //9.223372036854775807×10^{18}:64bit整数のinf #define MOD 1000000007 //問題による //略記 #define F first #define S second //出力(空白区切りで昇順に) #define coutALL(x) for(auto i=x.begin();i!=--x.end();i++)cout<<*i<<" ";cout<<*--x.end()<<endl; //aをbで割る時の繰上げ,繰り下げ ll myceil(ll a,ll b){return (a+(b-1))/b;} ll myfloor(ll a,ll b){return a/b;} int ri() {int n;cin >> n;return n;} #define ro(a) {cout << a << endl;} signed main(){ // int N = ri(); // vector<string> S(N); string s; cin >> s; if (s[0] == s[1] && s[1] == s[2]) { ro("Won"); } else { ro("Lost") } }
#include<bits/stdc++.h> using namespace std; #define endl "\n"; typedef long long ll; int main(){ ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0); ll n; cin>>n; vector<ll> v1,v2; for(ll i=1;i<=sqrt(n);i++){ if(n%i==0&&n!=i*i)v1.push_back(i),v2.push_back(n/i); else if(n==i*i)v1.push_back(i); } for(int i=0;i<v1.size();i++){ cout<<v1[i]<<endl; } for(int i=v2.size()-1;i>=0;i--){ cout<<v2[i]<<endl; } }
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> using namespace std; #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__);fflush(stderr); #else #define eprintf(...) 42 #endif using ll = long long; using ld = long double; using uint = unsigned int; using ull = unsigned long long; template<typename T> using pair2 = pair<T, T>; using pii = pair<int, int>; using pli = pair<ll, int>; using pll = pair<ll, ll>; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second clock_t startTime; double getCurrentTime() { return (double)(clock() - startTime) / CLOCKS_PER_SEC; } int main() { startTime = clock(); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); int A, B; scanf("%d%d", &A, &B); int S = A * (A + 1) / 2 - B * (B + 1) / 2; for (int i = 1; i <= A; i++) { int x = i; if (i == A && S < 0) x -= S; printf("%d ", x); } for (int i = 1; i <= B; i++) { int x = -i; if (i == B && S > 0) x -= S; printf("%d ", x); } printf("\n"); return 0; }
#include <iostream> using namespace std; #include<bits/stdc++.h> typedef long long ll; int main() { // int t; // cin>>t; // while(t--){ ll i,j,k,l; ll x,y,z; ll n; ll m;cin>>n>>m; vector<ll>a(n); vector<ll>b(m); k=1; l=-1; if(n==m){ for(i=0;i<n;i++){ a[i]=k; b[i]=l; k++;l--; } } else if(n>m){ ll s=0,s1=0;; for(i=0;i<n;i++){ a[i]=k;k++;s+=a[i]; } for(i=0;i<m-1;i++){ b[i]=l;l--;s1-=b[i]; } j=s-s1; b[m-1]=-j; } else{ ll s=0,s1=0;; for(i=0;i<n-1;i++){ a[i]=k;k++;s+=a[i]; } for(i=0;i<m;i++){ b[i]=l;l--;s1-=b[i]; } j=s1-s; a[n-1]=j; } for(i=0;i<n;i++) cout<<a[i]<<" "; for(i=0;i<m;i++) cout<<b[i]<<" "; // } return 0; }
#include <bits/stdc++.h> #define rep3(i, s, n, a) for (long long i = (s); i < (long long)(n); i += a) #define rep2(i, s, n) rep3(i, s, n, 1) #define rep(i, n) rep2(i, 0, n) using namespace std; using ll = long long; using ull = unsigned long long; using P = pair<int, int>; using Pll = pair<ll, ll>; int main() { ll n; cin >> n; vector<ll> a(n, 0); rep(i, n){ a[i] = i+1; } ll res = 1; rep2(i, 2, 30){ bool skip=true; while(skip){ skip = false; rep(j, n){ if(a[j]%i==0){ skip = true; a[j] /= i; } } if(skip){ // cout << i << endl; res *= i; } } } cout << res + 1LL << endl; return 0; }
#include <cstdio> #include <cmath> #include <iostream> #include <set> #include <algorithm> #include <vector> #include <map> #include <cassert> #include <string> #include <cstring> #include <queue> using namespace std; #define rep(i,a,b) for(int i = a; i < b; i++) #define S(x) scanf("%d",&x) #define S2(x,y) scanf("%d%d",&x,&y) #define P(x) printf("%d\n",x) #define all(v) v.begin(),v.end() #define FF first #define SS second #define pb push_back #define mp make_pair typedef long long int LL; typedef pair<int, int > pii; typedef vector<int > vi; int cnt[100]; int f(int n) { int res = 1; for(int i = 2; i * i <= n; i++) if(n % i == 0) { int c = 0; while(n % i == 0) { n /= i; c++; if(c > cnt[i]) { cnt[i]++; res *= i; } } } if(n > 1 && cnt[n] == 0) { cnt[n] = 1; res *= n; } return res; } int main() { int n; S(n); LL ans = 1; rep(i,2,n+1) { ans *= f(i); } cout << ans + 1 << "\n"; return 0; }
//デバッグ用オプション:-fsanitize=undefined,address //コンパイラ最適化 #pragma GCC optimize("Ofast") //インクルードなど #include<bits/stdc++.h> using namespace std; typedef long long ll; //マクロ //forループ //引数は、(ループ内変数,動く範囲)か(ループ内変数,始めの数,終わりの数)、のどちらか //Dがついてないものはループ変数は1ずつインクリメントされ、Dがついてるものはループ変数は1ずつデクリメントされる //FORAは範囲for文(使いにくかったら消す) #define rep(i,n) for(ll i=0;i<ll(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=ll(b);i++) #define FORD(i,a,b) for(ll i=a;i>=ll(b);i--) #define FORA(i,I) for(const auto& i:I) //xにはvectorなどのコンテナ #define ALL(x) x.begin(),x.end() #define SIZE(x) ll(x.size()) //定数 #define INF 1000000000000 //10^12:∞ #define MOD 1000000007 //10^9+7:合同式の法 #define MAXR 100000 //10^5:配列の最大のrange //略記 #define PB push_back //挿入 #define MP make_pair //pairのコンストラクタ #define F first //pairの一つ目の要素 #define S second //pairの二つ目の要素 /* ビット全探索 for(int bit=0;bit<(1<<n);bit++){ for(int i=0;i<n;i++){ if(bit & (1<<i)){ } } */ template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } signed main(){ //小数の桁数の出力指定 //cout<<fixed<<setprecision(10); //入力の高速化用のコード //ios::sync_with_stdio(false); //cin.tie(nullptr); ll n,k; cin>>n>>k; map<int,int> a; rep(i,n){ int A; cin>>A; a[A]++; } int count=k; int now=0; ll ans=0; for(auto itr=a.begin();itr!=a.end();itr++){ if(now==itr->first){ count=min(count,itr->second); ans+=count; now++; } else break; } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long using vec_int = vector<int>; using P = pair<int,int>; using T = tuple<int,int,int>; using ll = long long; #define rep(i, n) for(int i = 0; i < (int)(n); i++) int charToInt(char c){ char zero_num = '0'; return (int)c - (int)zero_num; } signed main(){ int N; cin>>N; vec_int a(N), b(N), p(N); rep(i,N) cin>>a.at(i); rep(i,N) cin>>b.at(i); rep(i,N) cin>>p.at(i); vector<P> person(N); rep(i, N)person.at(i) = make_pair(a.at(i), i); sort(person.begin(), person.end()); // 何をやらないといけないかというと、 // 体重が軽い人の順番に // 自分のIDの荷物を持っている人と荷物を交換する // map<int, int> assign_map; map<int, int> assign_map2; rep(i,N){ assign_map[p.at(i)] = i; // 荷物, 人 assign_map2[i] = p.at(i); //人, 荷物 } int ans = 0; vector<P> ans_vec; for(int i=0;i<N;i++){ int weight, person_ID; tie(weight, person_ID) = person.at(i); //cout<<weight<<" "<<person_ID<<" "<<assign_map[person_ID]<<endl; if(person_ID == assign_map2[person_ID]-1){ continue; } int nimotu = assign_map2[person_ID]; if(weight <= b.at(nimotu-1) ){ cout<<-1<<endl; return 0; } int counter_person = assign_map[person_ID+1]; // person_ID+1の荷物を持っている人 assign_map2[person_ID] = person_ID+1; assign_map2[counter_person] = nimotu; assign_map[nimotu] = counter_person; ans_vec.push_back(make_pair(person_ID+1, counter_person+1)); ans++; } cout<<ans<<endl; rep(i, ans){ cout<<ans_vec.at(i).first<<" "<<ans_vec.at(i).second<<endl; } return 0; }
#include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> using namespace std; #define rep(i, l, r) for(int i=(l), i##_end_=(r); i<=i##_end_; ++i) #define drep(i, l, r) for(int i=(l), i##_end_=(r); i>=i##_end_; --i) #define fi first #define se second #define mp(a, b) make_pair(a, b) #define Endl putchar('\n') typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template<class T>inline T fab(T x){ return x<0? -x: x; } template<class T>inline T readin(T x){ x=0; int f=0; char c; while((c=getchar())<'0' || '9'<c) if(c=='-') f=1; for(x=(c^48); '0'<=(c=getchar()) && c<='9'; x=(x<<1)+(x<<3)+(c^48)); return f? -x: x; } const int maxn=2e5*2; const int mod=998244353; inline int qkpow(int a, int n){ int ret=1; for(; n>0; n>>=1, a=1ll*a*a%mod) if(n&1) ret=1ll*ret*a%mod; return ret; } int n, m; inline void input(){ n=readin(1), m=readin(1); } int fac[maxn+5], invf[maxn+5]; inline void init(){ fac[0]=1; rep(i, 1, maxn) fac[i]=1ll*fac[i-1]*i%mod; invf[maxn]=qkpow(fac[maxn], mod-2); drep(i, maxn-1, 0) invf[i]=1ll*(i+1)*invf[i+1]%mod; invf[0]=1; } inline int C(int n, int m){ if(m==0) return 1; if(n<m) return 0; return 1ll*fac[n]*invf[m]%mod*invf[n-m]%mod; } signed main(){ input(); init(); int ans=0; rep(j, 1, m){ int tmp=j, res=1; for(int i=2; i*i<=tmp; ++i) if(tmp%i==0){ int cnt=0; while(tmp%i==0) tmp/=i, ++cnt; res=1ll*res*C(n+cnt-1, cnt)%mod; } if(tmp>1) res=1ll*res*n%mod; ans=(ans+res)%mod; } printf("%d\n", (ans)%mod); return 0; }
#include<bits/stdc++.h> #define int long long using namespace std; const int N=107; long double E[N][N][N]; int32_t main() { int a,b,c; cin>>a>>b>>c; // for(int i=0;i<=100;i++) // for(int j=0;j<=100;j++) // { // E[i][j][100]=E[100][i][j]=E[i][100][j]=0; // } for(int i=99;i>=0;i--) { for(int j=99;j>=0;j--) { for(int k=99;k>=0;k--) { if(i+j+k==0) continue; double ei=E[i+1][j][k]+1; ei*=i/(double)(i+j+k); double ej = E[i][j+1][k] + 1; ej *= j / (double)(i + j + k); double ek = E[i][j][k+1] + 1; ek *= k/ (double)(i + j + k); E[i][j][k]=ei+ej+ek; // if(i==a&&b==j&&c==k) // cout<<ei<<" "<<ej<<" "<<ek<<" "endl;; } } } cout <<fixed<< setprecision(6) << E[a][b][c] << endl; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0; i<(n); i++) #define sz(x) int(x.size()) using namespace std; typedef long long ll; typedef pair<ll,int> P; struct UnionFind{ vector<int> par; UnionFind(int N){ par.resize(N,-1); } int root(int x){ if(par[x] < 0) return x; return par[x] = root(par[x]); } void unite(int x, int y){ int rx = root(x); int ry = root(y); if(rx == ry) return; if(par[rx] < par[ry]){ par[rx] += par[ry]; par[ry] = rx; } else { par[ry] += par[rx]; par[rx] = ry; } } bool same(int x, int y){ return par[x] == par[y]; } int size(int x){ return (par[x] < 0) ? -par[x] : 0; } }; int main(){ const ll MOD = 998244353; int n,k; cin >> n >> k; vector<vector<int>> a(n,vector<int>(n)); rep(i,n)rep(j,n) cin >> a[i][j]; ll ans = 1; UnionFind uf1(n); for(int i=0; i<n; i++){ for(int j=i+1; j<n; j++){ bool f = true; for(int l = 0; l<n; l++){ if(a[i][l]+a[j][l] > k) f = false; } if(f) uf1.unite(i,j); } } for(int i=0; i<n; i++){ ll t = uf1.size(i); while(t > 0){ ans = ans * t % MOD; t--; } } UnionFind uf2(n); for(int i=0; i<n; i++){ for(int j=i+1; j<n; j++){ bool f = true; for(int l = 0; l<n; l++){ if(a[l][i]+a[l][j] > k) f = false; } if(f) uf2.unite(i,j); } } for(int i=0; i<n; i++){ ll t = uf2.size(i); while(t > 0){ ans = ans * t % MOD; t--; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const long long MOD=998244353; int N, K; long long modmypower(long long a, long long b){ if(b==1){ return a; }else if(b%2==0){ long long c=modmypower(a,b/2); return (c*c)%MOD; }else{ long long c=modmypower(a,(b-1)/2); return (((c*c)%MOD)*a)%MOD; } } long long modfactorial(long long x){ if(x<=1) x=1; else for(int i=x-1; i>0; i--) x=((x*i)%MOD); return x; } long long modinv(long long x){ return modmypower(x,MOD-2); } long long fn(vector<vector<int>>& mat){ // 交換できる行のグラフをつくる vector<vector<int>> g(N, vector<int>()); for(int i=0; i<N-1; i++){ for(int j=i+1; j<N; j++){ bool c=true; for(int k=0; k<N; k++) if(mat[i][k]+mat[j][k]>K) c=false; if(c){ g[i].push_back(j); g[j].push_back(i); } } } long long result=1; //連結成分ごとに見る vector<int> visited(N, 0); for(int i=0; i<N; i++){ //連結成分を抽出 if(visited[i]==1) continue; visited[i]=1; queue<int> q; q.emplace(i); vector<int> group; group.push_back(i); while(!q.empty()){ int a=q.front(); q.pop(); for(auto dest:g[a]){ if(visited[dest]==1) continue; visited[dest]=1; q.emplace(dest); group.push_back(dest); } } //ベクトルが一致するかどうか int s=group.size(); vector<int> d(s, 0); for(int j=0; j<s; j++){ for(int k=0; k<s; k++){ if(mat[j]==mat[k]) d[j]++; } } map<int, int> dlist; for(int j=0; j<s; j++) dlist[d[j]]++; long long tmp=modfactorial(s); for(auto kv: dlist){ int k=kv.first; int v=kv.second/k; if(k==1) continue; tmp=(tmp*modinv(modfactorial(v)))%MOD; } result=(result*tmp)%MOD; } return result; } int main(){ cin >> N >> K; vector<vector<int>> A(N, vector<int>(N)); for(int i=0; i<N*N; i++) cin >> A[i/N][i%N]; long long result=fn(A); vector<vector<int>> B(N, vector<int>(N)); for(int i=0; i<N*N; i++) B[i/N][i%N]=A[i%N][i/N]; result*=fn(B); cout << result%MOD << endl; }
#include "bits/stdc++.h" using namespace std; #define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0) typedef long long ll; typedef unsigned long long ull; typedef string str; typedef double db; typedef long double ld; typedef pair<int, int> pi; #define fi first #define se second typedef vector<int> vi; typedef vector<pi> vpi; typedef vector<str> vs; typedef vector<ld> vd; #define pb push_back #define eb emplace_back #define sz(x) (int)x.size() #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define endl "\n" #define FOR(i,a,b) for (int i = (a); i < (b); ++i) #define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i) const int MOD = 1e9 + 7; //998244353 const ll INF = 1e18; const int MX = 1e6 + 10; const int nx[8] = {0, 0, 1, -1, -1, 1, 1, -1}, ny[8] = {1, -1, 0, 0, 1, -1, 1, -1}; //right left down up template<class T> using V = vector<T>; template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; } template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up //constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x)) mt19937 rng(chrono::system_clock::now().time_since_epoch().count()); //mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); ll random(ll a, ll b){ return a + rng() % (b - a + 1); } #ifndef LOCAL #define cerr if(false) cerr #endif #define dbg(x) cerr << #x << " : " << x << endl; #define dbgs(x,y) cerr << #x << " : " << x << " / " << #y << " : " << y << endl; #define dbgv(v) cerr << #v << " : " << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl; #define here() cerr << "here" << endl; void IO() { #ifdef LOCAL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } //Geometry typedef long long C; typedef complex<C> P; #define X real() #define Y imag() #define pi 3.14159265359 int main() { boost; IO(); ll n; cin >> n; cout << n-1 << endl; return 0; }
#include <iostream> using namespace std; int main() { int n; cin>>n; cout<<n-1; }
#include<bits/stdc++.h> #include<unordered_map> #define sz(s) (int)s.size() #define all(s) s.begin(),s.end() using namespace std; typedef long long ll; void fast(){ std::ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); } bool valid(ll n, string s) { if (!n) return 0; int c = 0; while (n) { c++; n /= 10; } return c == sz(s); } void Men7a() { string s1, s2, s3; cin >> s1 >> s2 >> s3; set<char>st; for (int i = 0; i < sz(s1); i++) st.insert(s1[i]); for (int i = 0; i < sz(s2); i++) st.insert(s2[i]); for (int i = 0; i < sz(s3); i++) st.insert(s3[i]); if (sz(st)>10) { cout << "UNSOLVABLE\n"; return; } unordered_map<char, int>mp; vector<int>v = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; do { for (auto x : st) mp[x] = -1; int ix = 0; for (auto x : st) mp[x] = v[ix++]; ll a = 0, b = 0, c = 0; for (int i = 0; i < sz(s1); i++) { a *= 10; a += mp[s1[i]]; } for (int i = 0; i < sz(s2); i++) { b *= 10; b += mp[s2[i]]; } for (int i = 0; i < sz(s3); i++) { c *= 10; c += mp[s3[i]]; } if (a + b == c && valid(a, s1) && valid(b, s2) && valid(c, s3)) { cout << a << "\n" << b << "\n" << c << "\n"; return; } } while (next_permutation(all(v))); cout << "UNSOLVABLE\n"; } int main() { fast(); int test_case = 1; //freopen("","r",stdin); //cin >> test_case; while (test_case--) Men7a(); }
// D - Send More Money #include <bits/stdc++.h> using namespace std; using ll = int64_t; #define vec vector #define rep(i,e) for(int i=0;i<(e);++i) #define sz(a) int(a.size()) ll INF = 1e18; string in(){ string s; cin>>s; return s; } vec<int> reversed(vec<int> s){ reverse(s.begin(), s.end()); return s; } int main(){ vec<vec<int>> S(3); vec<ll> A(26, INF), sign{1, 1, -1}; set<int> C; rep(i, 3){ for(auto&c:in()) S[i].push_back(c-'a'); int w = 1; for(auto&c:reversed(S[i])){ if(A[c] == INF) A[c] = 0; A[c] += sign[i] * w; C.insert(c); w *= 10; } } if(sz(C) > 10){ puts("UNSOLVABLE"); return 0; } vec<int> P(10); iota(P.begin(), P.end(), 0); do{ ll tot = 0; auto pos_p = P.begin(); rep(c, sz(A)){ if(A[c] == INF) continue; if(*pos_p == 0) for(auto&s:S) if(s[0] == c){ tot = INF; break; } tot += *pos_p * A[c]; pos_p++; } if(tot) continue; pos_p = P.begin(); rep(c, sz(A)) if(A[c] != INF) A[c] = *pos_p++; for(auto&s:S){ ll ans = 0; for(auto&c:s) ans = ans*10 + A[c]; cout<< ans <<endl; } return 0; }while(next_permutation(P.begin(), P.end())); puts("UNSOLVABLE"); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(ll i=0;i<(ll)(n);i++) #define rep1(i,n) for(ll i=1;i<=(ll)(n);i++) int main(){ ios::sync_with_stdio(false); cin.tie(0); ll n,x; cin >> n >> x; vector<ll> a(n); rep(i,n) cin >> a[i]; ll dp[2]; dp[0] = 1; dp[1] = 0; ll tx = x; rep(i,n-1){ ll amari = tx%a[i];//前の+ ll amari_minus = amari - a[i];//前の- ll amari_now = tx%a[i+1]; ll amari_now_minus = amari_now - a[i+1]; // cout << amari <<" " << amari_minus << " " << amari_now << " " << amari_now_minus << endl; ll ndp[2]; if(abs(amari-amari_now)<=a[i+1]-a[i]){ //dp[0]そのまま ndp[0] = dp[0]; } else{ ndp[0] = 0; } if(abs(amari_minus-amari_now_minus)<=a[i+1]-a[i]){ ndp[1] = dp[1]; } else ndp[1] = 0; if(abs(amari_minus-amari_now)<=a[i+1]-a[i]) ndp[0] += dp[1]; if(abs(amari-amari_now_minus)<=a[i+1]-a[i]) ndp[1] += dp[0]; dp[0]= ndp[0]; dp[1]= ndp[1]; // cout << dp[0] <<" " << dp[1] << endl; } cout << dp[0] + dp[1] << endl; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/trie_policy.hpp> using namespace std; using namespace __gnu_pbds; #pragma GCC target("avx2") #pragma GCC optimization("O3") #pragma GCC optimization("unroll-loops") #define int long long #define ll long long #define all(v) v.begin(), v.end() #define intvect vector<int> #define pii pair<int, int> #define mii map<int, int> #define fo(i, n) for (int i = 0; i < n; ++i) #define Fo(i, k, n) for (int i = k; i < n; ++i) #define ld long double #define deb(x) cout << #x << " " << x << endl; #define pb push_back #define pob pop_back #define lcm(a, b) (a / __gcd(a, b) * b) #define F first #define S second #define ull unsigned long long typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; const ll mod = 1e9 + 7; const ll N = (ll)5e6 + 5; template <typename... T> void read(T &... args) { ((cin >> args), ...); } template <typename... T> void write(T &&... args) { ((cout << args), ...); } void vjudge() { #ifndef RTE if (fopen("input.txt", "r")) { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); } #endif ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } bool iss(int n) { int u = sqrt(n); if (u * u == n) return 1; return 0; } void solve() { int u, v; cin >> u >> v; for (int i = 1; i < sqrt(v) + 1; i++) { if (i + v / i == u) { cout << "Yes\n"; return; } } cout << "No\n"; } int32_t main() { clock_t start, end; start = clock(); vjudge(); int t = 1; // read(t); while (t--) solve(); end = clock(); double waste = double(end - start) / double(CLOCKS_PER_SEC); cerr << "Time wasted by program is : " << fixed << waste << setprecision(15); cerr << " sec " << endl; }
#include <iostream> using namespace std; using LL = long long; const int kMaxN = 21; int n, m, p, q[kMaxN], k[kMaxN]; bool v[kMaxN], e[kMaxN][kMaxN]; LL c = 1, _c; void F(int x) { if (!v[x]) { v[x] = 1, q[++p] = x; for (int i = 1; i <= n; ++i) { if (e[x][i]) { F(i); } } } } void D(int x) { if (x > p) { ++_c; return; } bool b[4] = {0, 0, 0, 0}; for (int i = 1; i < x; ++i) { if (e[q[x]][q[i]]) { b[k[q[i]]] = 1; } } for (int i = 1; i <= 3; ++i) { if (!b[i]) { k[q[x]] = i; D(x + 1); } } } int main() { cin >> n >> m; for (int i = 1, x, y; i <= m; ++i) { cin >> x >> y; e[x][y] = e[y][x] = 1; } for (int i = 1; i <= n; ++i) { if (!v[i]) { _c = p = 0, F(i), D(1), c *= _c; } } cout << c << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, a, n) for(int i = a; i < (n); i++) using namespace std; using ll = long long; using P = pair<ll, ll>; const int INF = 1001001001; const ll LINF = 1001002003004005006ll; const int mod = 1000000007; //const int mod = 998244353; vector<vector<int>> to; vector<int> used, col, vs; ll now; void dfs(int v){ used[v] = 1; vs.push_back(v); for(int u : to[v]){ if(used[u]) continue; dfs(u); } } void dfs2(int i){ if(i == vs.size()){ now++; return; } int v = vs[i]; rep(c, 0, 3){ col[v] = c; bool flag = 0; for(int u : to[v]){ if(col[u] == c){ flag = 1; } } if(flag) continue; dfs2(i+1); } col[v] = -1; } int main() { int n, m; cin >> n >> m; to = vector<vector<int>> (n); used = vector<int> (n); col = vector<int> (n, -1); rep(i, 0, m){ int a, b; cin >> a >> b; a--; b--; to[a].push_back(b); to[b].push_back(a); } ll ans = 1; rep(v, 0, n){ if(used[v]) continue; vs = vector<int> (); dfs(v); col[vs[0]] = 0; now = 0; dfs2(1); ans *= 3*now; } cout << ans << endl; return 0; }
#include <iostream> #include <stdio.h> #include <cstdio> #include <stack> #include<algorithm> #include <vector> using namespace std; using Graph = vector<vector<int>>; int main() { long long N, K; cin >> N >> K; for (int i = 0; i < K; i++) { if (N % 200 == 0) { N /= 200; } else { N = N * 1000 + 200; } } cout << N; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i < (int)(n); i++) #define all(x) (x).begin(),(x).end() typedef long long ll; #define F first #define S second #define YES(n)cout << ((n) ? "YES" : "NO" ) << endl #define Yes(n) cout << ((n) ? "Yes" : "No" ) << endl int main(){ int n,m; cin>>n>>m; set<int> a; set<int> b; int maxint=0; rep(i,n){ int aa; cin>>aa; maxint=max(maxint,aa); a.insert(aa); } rep(i,m){ int bb; cin>>bb; maxint=max(maxint,bb); b.insert(bb); } for(int i=1;i<=maxint;i++){ if(a.count(i)^b.count(i))cout<<i<<" "; } cout<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; int main(){ int H, W, X, Y; cin >> H >> W >> X >> Y; X -= 1; Y -= 1; vector<vector<bool>> S(H, vector<bool>(W)); string S_0; for (int i=0; i<H; i++){ cin >> S_0; for (int j=0; j<W; j++){ if(S_0[j] == '#') S.at(i).at(j) = false; else S.at(i).at(j) = true; } } // result int result = 1; // <- + (X, Y)'s score // up for (int i=X-1; i>=0; i--){ if (S.at(i).at(Y) == 0) break; result += S.at(i).at(Y); } // down for (int i=X+1; i<H; i++){ if (S.at(i).at(Y) == 0) break; result += S.at(i).at(Y); } // left for (int j=Y-1; j>=0; j--){ if (S.at(X).at(j) == 0) break; result += S.at(X).at(j); } // right for (int j=Y+1; j<W; j++){ if (S.at(X).at(j) == 0) break; result += S.at(X).at(j); } // result cout << result << endl; return 0; }
#include <bits/stdc++.h> int ri() { int n; scanf("%d", &n); return n; } int main() { int h = ri(); int w = ri(); int x = ri() - 1; int y = ri() - 1; std::string s[h]; for (auto &i : s) std::cin >> i; int cnt = -3; for (int i = x; i < h && s[i][y] != '#'; i++) cnt++; for (int i = x; i >= 0 && s[i][y] != '#'; i--) cnt++; for (int j = y; j < w && s[x][j] != '#'; j++) cnt++; for (int j = y; j >= 0 && s[x][j] != '#'; j--) cnt++; printf("%d\n", cnt); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; } #define all(x) (x).begin(),(x).end() #define fi first #define se second #define mp make_pair #define si(x) int(x.size()) const int mod=1000000007,MAX=200005,INF=1<<30; int main(){ std::ifstream in("text.txt"); std::cin.rdbuf(in.rdbuf()); cin.tie(0); ios::sync_with_stdio(false); int N;cin>>N; vector<ll> A(N),B(N); for(int i=0;i<N;i++) cin>>A[i]; for(int i=0;i<N;i++) cin>>B[i]; ll ans=0; ll ma=0; for(int i=0;i<N;i++){ chmax(ma,A[i]); chmax(ans,ma*B[i]); cout<<ans<<"\n"; } }
#include <bits/stdc++.h> #define FOR(i, a, n) for (int i = a; i < n; i++) #define REP(w, n) FOR(w, 0, n) using namespace std; typedef long long ll; int main() { int n; cin >> n; vector<ll> a(n + 1); a[0] = 0; vector<ll> b(n + 1); REP(i, n) { ll tmp; cin >> tmp; a[i + 1] = max(tmp, a[i]); } b[0] = 0; REP(i, n) { cin >> b[i + 1]; } ll ans = 0; FOR(i, 1, n + 1) { ans = max(ans, a[i] * b[i]); cout << ans << endl; } return (0); }
#include <bits/stdc++.h> #define f(a, n) for (int a = 0; a < n; a++) #define F(a, n) for (int a = 1; a <= n; a++) using namespace std; struct Student{ map<int, int> mp; int sz = 1; Student* par = this; }; Student* find(Student* a){ if (a->par == a) return a; return a->par = find(a->par); } void join(Student* a, Student* b){ // b joins a a->sz += b->sz; b->par = a; for (auto p: b->mp){ int x = p.first, y = p.second; a->mp[x] += y; } } int main(){ int n, q; cin >> n >> q; Student A[200005]; F(i, n) { int x; cin>>x; A[i].mp[x]++; } F(asdf, q){ int a, b, c; cin >> a >> b >> c; if (a == 1){ auto d = find(&A[b]); auto e = find(&A[c]); if (d != e){ if (d->sz >= e->sz){ join(d, e); } else{ join(e, d); } } } else{ cout<<find(&A[b])->mp[c]<<endl; } } }
#include <bits/stdc++.h> #define DEBUG(C) cerr << #C << " = " << C << endl; using namespace std; const int MOD = 1e9 + 7; // UnionFind,素集合データ構造,DisjointSet template<typename weight_type = int> class union_find { static_assert( std::is_arithmetic<weight_type>::value, "Invalid weight type"); private: const std::function<void(int, int)> noop = [](int aa, int bb){}; std::vector<int> uni; std::vector<int> edge_count_; std::vector<weight_type> weights; int size_; const void check(const int n) const { if (this->group_size() < 0) { assert(false); } if (!(0 <= n && n < this->all_size())) { assert(false); } } public: union_find() : uni(0), edge_count_(0), weights(0), size_(-1) {} union_find(const int n) : uni(n, -1), edge_count_(n), weights(n), size_(n) { this->check(n - 1); } union_find(const std::vector<weight_type> &_weights) : uni(_weights.size(), -1), edge_count_(_weights.size()), weights(_weights), size_(_weights.size()) { this->check((int)_weights.size() - 1); } bool same(const int a, const int b) { this->check(a); this->check(b); return this->find(a) == this->find(b); } int find(const int a) { this->check(a); return this->uni[a] < 0 ? a : this->uni[a] = this->find(this->uni[a]); } bool unite(int a, int b) { return unite(a, b, noop); } bool unite(int a, int b, const std::function<void(int, int)> &f) { a = this->find(a); b = this->find(b); this->edge_count_[a]++; if (a == b) { return false; } this->size_--; if (this->uni[a] > this->uni[b]) { std::swap(a, b); } f(a, b); this->uni[a] += this->uni[b]; this->weights[a] += this->weights[b]; this->edge_count_[a] += this->edge_count_[b]; this->uni[b] = a; return true; } const int group_size() const { return this->size_; } const int all_size() const { return this->uni.size(); } const int size(const int a) { this->check(a); return -this->uni[this->find(a)]; } const int edge_count(const int a) { this->check(a); return this->edge_count_[this->find(a)]; } const weight_type weight(const int a) { this->check(a); return this->weights[this->find(a)]; } }; const int MAX = 2e5 + 10; int N, Q; int C[MAX]; map<int, map<int, int>> mp; void solve() { cin >> N >> Q; union_find<> uf(N); for (int i = 0; i < N; ++i) { cin >> C[i]; C[i]--; mp[i][C[i]] = 1; } for (int i = 0; i < Q; i++) { int mode; cin >> mode; if (mode == 1) { int a, b; cin >> a >> b; a--; b--; uf.unite(a, b, [&](int nxt_par, int bye) { for (auto [k, v] : mp[bye]) { mp[nxt_par][k] += v; } mp.erase(bye); }); } else { int x, y; cin >> x >> y; x--; y--; x = uf.find(x); const auto ans = mp[x].count(y) ? mp[x][y] : 0; cout << ans << endl; } } } int main(void) { #ifndef ONLINE_JUDGE const auto in_stream = freopen("../in.txt", "r", stdin); if (in_stream == nullptr) { cerr << "ERROR!" << endl; return 1; } #endif solve(); #ifndef ONLINE_JUDGE fclose(in_stream); #endif }
#include "bits/stdc++.h" using namespace std; const long long INF = 1e9; int main(){ int h, w; cin >> h >> w; vector<vector<char>> a(h, vector<char>(w)); for(int i = 0;i < h;i++){ for(int j = 0;j < w;j++){ cin >> a[i][j]; } } vector<vector<int>> dp(h, vector<int>(w)); for(int i = 0;i < h;i++){ for(int j = 0;j < w;j++){ dp[i][j] = ((i + j) % 2 == 1 ? INF : -INF); } } dp[h - 1][w - 1] = 0; for(int i = h - 1;i >= 0;i--){ for(int j = w - 1;j >= 0;j--){ int v = (a[i][j] == '+' ? 1 : -1); if ((i + j) % 2 == 0){ if (i - 1 >= 0) { dp[i - 1][j] = min(dp[i - 1][j], dp[i][j] - v); } if (j - 1 >= 0){ dp[i][j - 1] = min(dp[i][j - 1], dp[i][j] - v); } } else { if (i - 1 >= 0){ dp[i - 1][j] = max(dp[i - 1][j], dp[i][j] + v); } if (j - 1 >= 0){ dp[i][j - 1] = max(dp[i][j - 1], dp[i][j] + v); } } } } if (dp[0][0] > 0) cout << "Takahashi" << endl; else if (dp[0][0] == 0) cout << "Draw" << endl; else cout << "Aoki" << endl; }
#include<ctime> #include<cstdio> #include<cctype> #include<algorithm> using namespace std; const int N=2e3+7; int read() { char c; int x=0,f=1; while(!isdigit(c=getchar())) f-=2*(c=='-'); while (isdigit(c)){ x=x*10+(c-48)*f; c=getchar(); } return x; } char c[N][N]; int h,w,f[N][N]; int main() { #ifndef ONLINE_JUDGE freopen("D.in","r",stdin); freopen("D.out","w",stdout); #endif clock_t t1=clock(); //-------- h=read(); w=read(); for(int i=1;i<=h;++i) scanf("%s",c[i]+1); for(int i=w-1;i;--i){ int fl=1-2*((h+i)&1); if(c[h][i+1]=='+') f[h][i]=f[h][i+1]+fl; else f[h][i]=f[h][i+1]-fl; } for(int i=h-1;i;--i){ int fl=1-2*((w+i)&1); if(c[i+1][w]=='+') f[i][w]=f[i+1][w]+fl; else f[i][w]=f[i+1][w]-fl; } for(int i=h-1;i;--i) for(int j=w-1;j;--j){ if((i+j)&1){ int fa=1-2*(c[i][j+1]=='+'); int fb=1-2*(c[i+1][j]=='+'); f[i][j]=min(f[i][j+1]+fa,f[i+1][j]+fb); } else{ int fa=1-2*(c[i][j+1]=='-'); int fb=1-2*(c[i+1][j]=='-'); f[i][j]=max(f[i][j+1]+fa,f[i+1][j]+fb); } } if(f[1][1]>0) puts("Takahashi"); else if(f[1][1]<0) puts("Aoki"); else puts("Draw"); //-------- clock_t t2=clock(); fprintf(stderr,"time:%0.3lfs",1.0*(t2-t1)/CLOCKS_PER_SEC); return 0; }
#include <iostream> #include <cstdio> #include <bits/stdc++.h> #include <math.h> #include <string> using namespace std; // === Debug macro starts here =============================== void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char *x) { cerr << '\"' << x << '\"'; } void __print(const string &x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template <typename T, typename V> void __print(const pair<T, V> &x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template <typename T> void __print(const T &x) { int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } #ifndef ONLINE_JUDGE #define debug(x...) \ cerr << "[" << #x << "] = ["; \ _print(x) #else #define debug(x...) #endif // === Debug macro ends here ================================= #define F first #define S second #define ll long long const int MOD = 1e9 + 7; const float epsilon = 0.0005f; const double eps = 1e-9; const float PI = 3.1415926535897932384626433f; vector<pair<int, int>> dire{{0, 1}, {0, -1}, {1, 0}, {-1, 0}}; // std::cout << std::fixed; // std::cout << std::setprecision(9); void solve() { int a,b,c,d; cin>>a>>b>>c>>d; cout << a * d - b * c; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // int t; // cin >> t; // for (int i = 0; i < t; ++i) // { // solve(); // } solve(); return (0); }
#include <bits/stdc++.h> using namespace std; #define ll long long #define LLMAX (1ll << 60) - 1 #define INTMAX (1 << 30) - 1 #define MOD 1000000007 #define NMAX 1000*100+1 #define numberOfSetBits(S) __builtin_popcount(S) // __builtin_popcountl(S) __builtin_popcountll(S) #define MSET(x,y) memset(x,y,sizeof(x)) #define gcd(a,b) __gcd(a,b) #define all(x) x.begin(),x.end() #define isOn(S, j) (S & (1 << j)) #define endl '\n' #define setBit(S, j) (S |= (1 << j)) #define clearBit(S, j) (S &= ~(1 << j)) #define toggleBit(S, j) (S ^= (1 << j)) #define print(x) for(auto it:x) cout<<it<<' '; cout<<endl; #define printii(x) for(auto it:x) cout<<it.F<<' '<<it.S<<'\t'; cout<<endl; #define in(x,n) for(int e=0;e<n;e++){ll y;cin>>y;x.pb(y);} #define vi vector<ll> #define vvi vector<vi> #define ii pair<ll,ll> #define pll pair<ll,ll> #define vii vector<ii> #define vvii vector<vii> #define viii vector<pair<ii,ll>> #define pb push_back #define F first #define S second #define mp make_pair #define mc(a,b,c) mp(mp(a,b),c) int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ll a,b,c,d; cin>>a>>b>>c>>d; cout<<a*d-b*c; return 0; }
// C - Unexpressed #include <bits/stdc++.h> using namespace std; using ll = int64_t; int main(){ ll n; cin>>n; set<ll> ok; for(ll a=2; a*a<=n; ++a){ ll x = a*a; while(x <= n){ ok.insert(x); x *= a; } } cout<< n - ok.size() <<endl; }
#pragma GCC optimize ("Ofast") #include<bits/stdc++.h> using namespace std; inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(const char c[]){ int i=0; for(i=0;c[i]!='\0';i++){ my_putchar_unlocked(c[i]); } } int main(){ int M; rd(M); int H; rd(H); if(H%M){ wt_L("No"); wt_L('\n'); } else{ wt_L("Yes"); wt_L('\n'); } return 0; } // cLay version 20210227-1 // --- original code --- // { // int @M, @H; // wt(if[H%M, "No", "Yes"]); // }
#include <stdio.h> #include <algorithm> #include <string.h> #include <assert.h> #define DEBUG if(0) #define lli long long int #define ldouble long double using namespace std; const int maxN = 2e5; int n; char s[maxN + 1], x[maxN + 1]; int nums[maxN]; // 1 Aoki, -1 Takahashi int digits[6] = {1, 3, 2, 6, 4, 5}; int memo[maxN][7]; int solve(int i = 0, int curr = 0) { if (i == n) return curr == 0 ? -1 : 1; int &ans = memo[i][curr]; if (ans != -2) return ans; int zero = solve(i + 1, curr); int other = solve(i + 1, (curr + nums[i]) % 7); if (x[i] == 'A') ans = max(zero, other); else // Takahashi ans = min(zero, other); return ans; } int main() { while (~scanf("%d", &n)) { scanf(" %s", s); for (int i = 0; i < n; i++) nums[i] = (int)(s[i] - '0') * digits[(n - 1 - i) % 6]; scanf(" %s", x); DEBUG printf("%d - %s - %s\n", n, s, x); for (int i = 0; i < n; i++) for (int j = 0; j < 7; j++) memo[i][j] = -2; int ans = solve(); printf("%s\n", ans == 1 ? "Aoki" : "Takahashi"); } return 0; }
#include <cstdio> #include <vector> using namespace std; int N; const int MAXN=2e5+7; char S[MAXN],X[MAXN]; int CUR=0; bool NUM[MAXN][7],dp[MAXN][7],range[MAXN][7]; int exp(int e){ if (e==0) return 1; int tmp=exp(e/2); if (e%2) return tmp*tmp*10%7; else return tmp*tmp%7; } int main(){ scanf("%d",&N); scanf("%s",S); scanf("%s",X); if (X[0]=='A'){ NUM[CUR][0]=true; CUR++; } int l=0; while(l<N){ int r=l; while(r<N&&X[r]==X[l]) r++; // printf("l=%d\n",l); fill(dp[l],dp[l]+7,false); dp[l][0]=true; dp[l][(S[l]-'0')%7]=true; for(int i=l;i<r-1;i++){ for(int m=0;m<7;m++){ if (!dp[i][m]) continue; int digit=S[i+1]-'0'; int m0=m*10%7; dp[i+1][m0]=true; dp[i+1][(m0+digit)%7]=true; } } for(int m=0;m<7;m++){ if (!dp[r-1][m]) continue; // printf("m=%d\n",m); int value=m*exp(N-r)%7; // printf("value=%d\n",value); NUM[CUR][value]=true; } // puts("OK!"); CUR++; l=r; } if (X[N-1]=='T') NUM[CUR++][0]=true; // puts("OK"); // for(int i=0;i<CUR;i++){ // for(int k=0;k<7;k++){ // if (NUM[i][k]) // printf("%d ",k); // } // putchar('\n'); // } range[CUR][0]=true; for(int cur=CUR-1;cur>=0;cur--){ const auto & action=NUM[cur], &r=range[cur+1]; if (cur%2){ for(int i=0;i<7;i++){ bool ng=true; for(int j=0;j<7;j++){ if (!action[j]) continue; ng=ng&&(r[(i+j)%7]); } if (ng) range[cur][i]=true; } }else{ for(int i=0;i<7;i++){ for(int j=0;j<7;j++){ if (!action[j]) continue; if (r[(i+j)%7]) range[cur][i]=true; } } } } if (range[0][0]) puts("Takahashi"); else puts("Aoki"); return 0; }
#include <iostream> #include <bits/stdc++.h> using namespace std; #define ll long long #define LL unsigned long long #define NL <<"\n" #define vec(x) vector<x> #define emb(x) emplace_back(x) #define fall(x) x.begin(),x.end() #define rfall(x) x.rbegin(),x.rend() #define fo(a,b) for(long long i=a; i < (b); i++) #define fset(x) setprecision(x) << fixed #define fast ios::sync_with_stdio(NULL); cin.tie(0); cout.tie(0); /* *--------------------------------------------- * -------------------------------------------- * --------------------------------------------32 * العمل الجاد يتفوق على الموهبة الكسولة * 勤勉は怠惰な才能に勝る * * 努力打敗懶惰的人才 * * कड़ी मेहनत आलसी प्रतिभा को हरा देती है * * тяжелая работа превосходит ленивый талант * * 勤勉は怠惰な才能に勝る * * 努力打敗懶惰的人才 * * malfacila laboro superas maldiligentan talenton * * el trabajo duro supera al talento perezoso * * η σκληρή δουλειά κερδίζει τεμπέλης ταλέντο * * il duro lavoro batte il talento pigro * * munca grea bate talentul leneș * * kazi ngumu hupiga talanta ya uvivu * * piger ingenii labore verberat * * làm việc chăm chỉ đánh bại tài năng lười biếng * * trabalho duro vence talento preguiçoso * * працавітасць перамагае лянівы талент * * le travail acharné bat le talent paresseux * * -------------------------------------------------- * -------------------------------------------------- * -------------------------------------------------- */ #define mod 100000000000000007 ll powb(ll a, ll b=2){ ll res = 1; while(b){ if(b&1)res = (res)%mod * (a)%mod; a = (a)%mod*(a)%mod; b>>=1; } return res; } void runcase(){ int n; cin>>n; int arr[n]; fo(0,n){ cin>>arr[i]; arr[i]+=200; } vec(int) ch(401); fo(0,n){ ch[arr[i]]++; } vec(int) real,pos; fo(0,401){ if(ch[i]){ real.emb(i-200); pos.emb(ch[i]); } } int l = real.size(); ll ans=0; for(int i = 0; i < l; i++){ for(int j = i+1; j< l; j++){ ans+=powb(real[i]-real[j])*((pos[i])%mod*(pos[j])%mod)%mod; } } cout << ans; cout NL; } int main(){ fast ll t; t=1; // cin>>t; while(t--){ runcase(); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; using Pld = pair<ld, ld>; using Vec = vector<ll>; using VecP = vector<P>; using VecB = vector<bool>; using VecC = vector<char>; using VecD = vector<ld>; using VecS = vector<string>; using Graph = vector<VecP>; #define REP(i, m, n) for(ll (i) = (m); (i) < (n); ++(i)) #define REPR(i, m, n) for(ll (i) = (m); (i) > (n); --(i)) #define rep(i, n) REP(i, 0, n) #define repr(i, n) REPR(i, n, 0) #define all(s) (s).begin(), (s).end() #define pb push_back #define mp make_pair #define fs first #define sc second #define in(a) insert(a) #define P(p) cout<<(p)<<endl; #define ALL(x) (x).begin(),(x).end() #define ALLR(x) (x).rbegin(),(x).rend() #define SORT(a) sort((a).begin(), (a).end()) typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<long long int> vll; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; typedef pair<ll, ll> pll; void sonic(){ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);} void setp(const ll n){cout << fixed << setprecision(n);} const ll INF = 1e9+1; const ll LINF = 1e18+1; const ll MOD = 998244353; const ld PI = acos(-1); template<typename T> void co(const vector<T>& v){for(const auto& e : v) { cout << e << " "; } cout << "\n";} const ld EPS = 1e-11; template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<class T>bool chmin(T &a,const T &b){if(a>b){a=b;return true;}return false;} template<typename T> void co(T e){cout << e << "\n";} const int MAX = 510000; long long fac[MAX], finv[MAX], inv[MAX]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } inline ll ksm(ll a,ll b,const ll m=MOD) { int ans = 1; while (b) { if (b & 1) ans = 1ll * ans * a % m; a = 1ll * a * a % m; b >>= 1; } return ans; } set<int> divisor(int n) { set<int> ret; for (int i = 1; i * i <= n; i++) { if (n % i == 0) { ret.insert(i); if (i * i != n) ret.insert(n / i); } } // sort(ret.begin(), ret.end()); // 昇順に並べる return ret; } int main(){ int n, ans=0; cin>>n; vector<int> A; set<int> B; rep(i,n){ int l; cin>>l; A.push_back(l); set<int> C; C=divisor(l); B.insert(C.begin(),C.end()); } for(auto i:B){ bool flg=true; int ret=0; bool flg2=true; rep(j,n){ if(i>A[j]) { flg2 = false; break; } if(A[j]%i==0){ if(flg){ ret = A[j]/i; flg=false; } else ret = __gcd(ret, A[j]/i); } } if(flg2&&ret==1)ans++; } co(ans); }
#include<iostream> #include<string> #include<vector> #include<stack> #include<queue> #include<set> #include<map> #include<algorithm> #include<numeric> #include<cmath> #include<iomanip> #include<regex> using namespace std; #define int long long const int mod=1e9+7; signed main(){ int n,a[200000]; cin>>n; for(int i=0;i<n;i++) cin>>a[i]; int mx=0,sum=0,ans=0; for(int i=0;i<n;i++){ sum+=a[i]; if(mx<a[i]){ ans+=(a[i]-mx)*i; mx=a[i]; } ans+=sum+mx; cout<<ans<<endl; } }
/* ॐ JAI SHREE RAM Hare Krishna Hare Krishna Krishna Krishna Hare Hare Hare Rama Hare Rama Rama Rama Hare Hare ॐ */ //Written by Bhuwanesh Nainwal #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; #define fast ios_base::sync_with_stdio(false) , cin.tie(NULL) , cout.tie(NULL) #define int long long int #define vci vector<int> #define vcvci vector<vector<int>> #define vcpi vector<pair<int,int>> #define vcs vector<string> #define pb push_back #define mpii map<int , int> #define mpsi map<string , int> #define mpci map<char , int> #define umpii unordered_map<int , int> #define umpsi unordered_map<string , int> #define umpci unordered_map<char , int> #define all(x) auto it = x.begin() ; it != x.end() ; it++ #define vcc vector<char> #define vcs vector<string> #define sti set<int> #define stc set<char> #define sts set<string> #define pqmx priority_queue<int> #define pqmn priority_queue<int , vi , greater<int>> #define null NULL #define ff first #define ss second #define stb(x) __builtin_popcount(x) #define lzr(x) __builtin_clz(x) #define tzr(x) __builtin_ctz(x) #define prc(x , y) fixed << setprecision(y) << x #define max3(a, b, c) max(a, max(b, c)) #define min3(a, b, c) min(a, min(b, c)) using namespace std; const int mod = 1e9 + 7; const int INF = 1e9; const int LINF = 1e18; const int N = 1e4; const int chkprc = 1e-9; // Check for precision error in double void solve() { int n; cin >> n; vci a(n); vci pre(n); vci mx(n); vci mxind(n); for(int i = 0 ; i < n ; i++) { cin >> a[i]; if(i == 0) pre[i] = a[i]; else pre[i] = pre[i - 1] + a[i]; if(i == 0) { mx[i] = a[i]; mxind[i] = i; } else { if(a[i] > mx[i - 1]) mxind[i] = i; else mxind[i] = mxind[i - 1]; mx[i] = max(mx[i - 1] , a[i]); } } int ans = a[0]; cout << 2 * ans << "\n"; for(int i = 1 ; i < n ; i++) { ans = ans + pre[i]; // if(i == 1) // { // cout << ans << " "; // cout << mx[i] << " "; // cout << (n - mxind[i]) << " "; // cout << ans - (mx[i] * (n - mxind[i])) << " "; // } int f = ans - (mx[i] * (i + 1 - mxind[i])) + (mxind[i] * mx[i]) + (2 * (i - mxind[i] + 1) * mx[i]); cout << f << "\n"; } // cout << mx[1] << " " << mxind[1]; } void local() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // ONLINE_JUDGE } int32_t main() { fast; //local(); int T = 1; // cin>>T; while(T--) { solve(); } return 0; }
#include <iostream> #include <algorithm> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <string.h> #include <vector> #include <queue> #include <cmath> #include <complex> #include <functional> #include <numeric> #include <iomanip> #include <cassert> #include <random> #include <chrono> /* #include <atcoder/all> */ /* using namespace atcoder; */ using namespace std; void debug_out(){ cout << "\n"; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cout << H << " "; debug_out(T...); } #ifdef _DEBUG #define debug(...) debug_out(__VA_ARGS__) #else #define debug(...) #endif #define SPBR(w, n) std::cout<<(w + 1 == n ? '\n' : ' '); #define YES cout << "YES" << endl #define Yes cout << "Yes" << endl #define NO cout << "NO" << endl #define No cout << "No" << endl #define ALL(i) (i).begin(), (i).end() #define FOR(i, a, n) for(int i=(a);i<(n);++i) #define RFOR(i, a, n) for(int i=(n)-1;i>=(a);--i) #define REP(i, n) for(int i=0;i<int(n);++i) #define RREP(i, n) for(int i=int(n)-1;i>=0;--i) #define IN(a, x, b) (a<=x && x<b) #define OUT(a, x, b) (x<a || b<=x) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } #define int ll using ll = long long; using ull = unsigned long long; using ld = long double; const ll MOD = 1000000007; /* const ll MOD = 998244353; */ const ll INF = 1ll<<60; const double PI = acos(-1); struct INIT { INIT(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); }}INIT; signed main() { int N, K; cin >> N >> K; K--; vector<vector<int>> dp(4, vector<int>(3*N+1)); dp[0][0] = 1; int c; REP(i, 3){ c = 0; REP(j, 3*N+1){ dp[i+1][j] += c; c += dp[i][j]; if(j-N >= 0) c -= dp[i][j-N]; } } int sum, i, j; for(sum = 3; K-dp[3][sum] >= 0; sum++){ K -= dp[3][sum]; } for(i = 1; K-dp[2][sum-i] >= 0; i++){ K -= dp[2][sum-i]; } for(j = 1; K-dp[1][sum-i-j] >= 0; j++){ K -= dp[1][sum-i-j]; } cout << i << " " << j << " " << sum-i-j << "\n"; return 0; }
#include <iostream> #include <algorithm> #include <vector> //動的配列 #include <string> #include <list> //双方向リスト #include <map> //連想配列 #include <set> //集合 #include <stack> #include <queue> #include <deque> #include <cmath> #include <bitset> #include <numeric> #include <tuple> typedef long long ll; using namespace std; typedef pair<int, int> P; #define FOR(i,a,b) for(int i=(int)(a) ; i < (int) (b) ; ++i ) #define rep(i,n) FOR(i,0,n) #define sz(x) int(x.size()) template <class T>ostream &operator<<(ostream &o,const vector<T>&v) {o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;} // n次元配列の初期化。第2引数の型のサイズごとに初期化していく。 template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){ std::fill( (T*)array, (T*)(array+N), val ); } //小さい順から取り出すヒープ //priority_queue<ll, vector<ll>, greater<ll> > pque1; int main(){ int n, m; cin>>n>>m; vector<ll> a(n); vector<ll> b(m); rep(i,n){ cin>>a[i]; } rep(i,m){ cin>>b[i]; } //dpで解く //dp[aの最後に使ったインデックス][bの最後]: 一致できる数を格納 int inf = 1001002; vector<vector<int> > dp(n+1, vector<int>(m+1,inf)); dp[0][0]=0; rep(i,n+1) rep(j,m+1){ if (0<i) dp[i][j]=min(dp[i][j], dp[i-1][j]+1); if (0<j) dp[i][j]=min(dp[i][j], dp[i][j-1]+1); if (0<i && 0<j) { int co=1; if (a[i-1]==b[j-1]) co=0; dp[i][j]=min(dp[i][j], dp[i-1][j-1]+co); } } int ans=dp[n][m]; cout<<ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) #define all(v) v.begin(), v.end() typedef long long ll; int main(){ ll n; cin >> n; vector <ll> b(16); ll now = 1; rep(i,16){ b[i] = now; now *= 10; } ll ans = 0; if(n == b[15]){ ans = 5 + 4 * (b[15] - b[12]) + 3 * (b[12] - b[9]) + 2 * (b[9] - b[6]) + (b[6] - b[3]); } else if(n >= b[12]){ ans = 4 * (n + 1 - b[12]) + 3 * (b[12] - b[9]) + 2 * (b[9] - b[6]) + (b[6] - b[3]); } else if(n >= b[9]){ ans = 3 * (n + 1 - b[9]) + 2 * (b[9] - b[6]) + (b[6] - b[3]); } else if(n >= b[6]){ ans = 2 * (n + 1 - b[6]) + (b[6] - b[3]); } else if(n >= b[3]){ ans = (n + 1 - b[3]); } else ans = 0; cout << ans << endl; }
# include <bits/stdc++.h> # ifndef ngng628_library # define ngng628_library # define int long long # define float long double # define fi first # define se second # define rep(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) # define reps(i,n) for(int i=1, i##_len=(n); i<=i##_len; ++i) # define rrep(i,n) for(int i=((int)(n)-1); i>=0; --i) # define rreps(i,n) for(int i=((int)(n)); i>0; --i) # define repr(i,b,e) for(int i=(b), i##_len=(e); i<i##_len; ++i) # define reprs(i,b,e) for(int i=(b), i##_len=(e); i<=i##_len; ++i) # define all(x) std::begin(x), std::end(x) # define rall(x) std::rbegin(x), std::rend(x) # define pb push_back # define eb emplace_back # define len(x) ((int)(x).size()) # define lb(v,x) distance(std::begin(v), lower_bound(all(v), (x))) # define ub(v,x) distance(std::begin(v), upper_bound(all(v), (x))) using namespace std; template<class T> using vec = vector<T>; using pii = pair<int, int>; using vi = vec<int>; using vb = vec<bool>; using vvb = vec<vb>; using vvvb = vec<vvb>; using vs = vec<string>; using vvi = vec<vi>; using vvvi = vec<vvi>; constexpr int INF = (1LL<<62)-(1LL<<31); constexpr float EPS = 1e-10; template<class T> istream& operator>>(istream& is, vec<T>& v) { for (auto& x : v) is >> x; return is; } template<class T, class U> istream& operator>>(istream& is, pair<T, U>& p) { return is >> p.fi >> p.se; } template<class T> T scan() { T ret; cin >> ret; return ret; } template<class T> string join(const vec<T> &v){ stringstream s; rep (i, len(v)) s<<' '<<v[i]; return s.str().substr(1); } template<class T> ostream& operator<<(ostream& os, const vec<T>& v){ if (len(v)) os << join(v); return os; } template<class T> ostream& operator<<(ostream& os, const vec<vec<T>>& v){ rep (i, len(v)) { if (len(v[i])) os << join(v[i]) << (i-len(v)+1 ? "\n" : ""); } return os; } template<class T, class U> ostream& operator<<(ostream& os, const pair<T, U>& p){ os << p.fi << " " << p.se; return os; } template<class T, class U, class V> ostream& operator<<(ostream& os, const tuple<T, U, V>& t){ os << get<0>(t) << " " << get<1>(t) << " " << get<2>(t); return os; } void print(){ cout << "\n"; } template<class T, class... A>void print(const T& v, const A&...args){cout << v; if(sizeof...(args))cout << " "; print(args...);} void eprint() { cerr << "\n"; } template<class T, class... A>void eprint(const T& v, const A&...args){cerr << v; if(sizeof...(args))cerr << " "; eprint(args...);} void drop(){ cout << "\n"; exit(0); } template<class T, class... A>void drop(const T& v, const A&...args){cout << v; if(sizeof...(args))cout << " "; drop(args...);} template<class T> inline constexpr bool chmax(T &a, const T& b) { return a < b && (a = b, true); } template<class T> inline constexpr bool chmin(T &a, const T& b) { return a > b && (a = b, true); } constexpr int ctoi(const char c) { return ('0' <= c and c <= '9') ? (c - '0') : -1; } const char* yn(bool b) { return b ? "Yes" : "No"; } # endif // ngng628_library struct Ad { int x, y, r; int id; Ad() = default; Ad(int _x, int _y, int _r, int _id) : x(_x), y(_y), r(_r), id(_id) {} }; ostream& operator<<(ostream& os, const Ad& a){ printf("%4lld | %4lld %4lld %7lld", a.id, a.x, a.y, a.r); return os; } int32_t main() { int n; cin >> n; vec<Ad> ads(n); rep (i, n) { cin >> ads[i].x >> ads[i].y >> ads[i].r; ads[i].id = i; } rep (i, n) { auto& ad = ads[i]; printf("%lld %lld %lld %lld\n", ad.x, ad.y, min(ad.x + 1LL, 10000LL), min(ad.y + 1LL, 10000LL)); } }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define iter vector<ll>::iterator #define mp make_pair #define pb push_back #define rep(i,n) for (i = 0; i < n; ++i) #define REP(i,k,n) for (i = k; i <= n; ++i) #define REPR(i,k,n) for (i = k; i >= n; --i) ll fact(ll n){ if(n==1){ return 1; } else{ return n*fact(n-1); } } int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); } ll binpow(ll a, ll b) { if (b == 0) return 1; long long res = binpow(a, b / 2); if (b % 2) return res * res * a; else return res * res; } ll binpow(ll a, ll b, ll m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } int main() { ll n; cin >> n; ll arr[n], max1[n]={0}, sum[n]={0}, t[n]={0}; for(int i=0;i<n;i++){ cin >> arr[i]; } max1[0]=arr[0]; sum[0]=arr[0]; t[0]=arr[0]; for(int i=1;i<n;i++){ max1[i]=max(max1[i-1],arr[i]); sum[i] = sum[i-1]+arr[i]; t[i] = t[i-1]+ sum[i]; } for(int k=1;k<=n;k++){ ll ma = max1[k-1]; ll sum1 = t[k-1]+(k*ma); // for(int i=0;i<k;i++){ // b[i]+=ma; // ma = b[i]; // } // int sum=0; // for(int i=0;i<k;i++){ // sum+=b[i]; // } cout << sum1 << endl; } return 0; }
#include <cstdlib> #include <bits/stdc++.h> using namespace std; #define ll long long #define ii pair<int,int> #define vi vector<int> #define vii vector<ii> #define vc vector<char> #define vs vector<string> #define vd vector<double> #define vll vector<ll> #define vvi vector<vi> #define vvii vector<vii> #define vvc vector<vc> #define vvs vector<vs> #define vvll vector<vll> #define vvd vector<vd> #define FOR(x,n) for(int x=0;x<n;x++) #define FORS(x,n) for(int x=1;x<=n;x++) #define FORE(x,a) for(auto &x: a) #define ALL(x) x.begin(),x.end() #define REP(n) for(int _ = 0; _ < n; _++) #define MT make_tuple #define pb push_back #define endl '\n' #define F first #define S second int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t; cin >> t; cout << max(0,t) << endl; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (n); ++i) #define Sort(a) sort(a.begin(), a.end()) #define RSort(a) sort(a.rbegin(), a.rend()) #define Output(a) cout << a << endl typedef long long int ll; typedef vector<int> vi; typedef vector<long long> vll; const ll INF = 0x1fffffffffffffff; const ll MOD = 1000000007; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } int main() { ll n, m; cin >> n >> m; vll x(m), y(m), z(m); rep(i, m){ cin >> x[i] >> y[i] >> z[i]; x[i]--; } ll dp[n + 1][(1 << n)]; rep(i, n + 1){ rep(j, 1 << n){ dp[i][j] = 0; } } dp[0][0] = 1; rep(i, n){ rep(j, 1 << n){ for (int k = 0; k < n; k++) { if (!(j & (1 << k))) dp[i + 1][j + (1 << k)] += dp[i][j]; } } rep(j, m){ if(x[j] == i){ rep(bit, 1 << n){ int cnt = 0; for(ll k = 0; k < y[j]; k++){ if (bit & (1 << k)) cnt++; } if (cnt > z[j]) { dp[i + 1][bit] = 0; } } } } } cout << dp[n][(1 << n) - 1] << endl; }
// Template begins #include <iostream> #include <algorithm> #include <vector> #include <map> #include <set> #include <stdio.h> #include <math.h> #include <iomanip> #include <queue> #include <string.h> #include <string> using namespace std; #define fio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define ll long long #define endl "\n" #define lb lower_bound #define ub upper_bound #define fo(i,a,b) for(i=a;i<=b;i++) #define all(v) (v).begin(),(v).end() #define sort0(v) sort(all(v)) #define lbb(a,b,arr,x) lower_bound(arr+a,arr+b+1,x)-arr #define ubb(a,b,arr,x) upper_bound(arr+a,arr+b+1,x)-arr #define freq(a,b,arr,x) upper_bound(arr+a,arr+b+1,x)-lower_bound(arr+a,arr+b+1,x) typedef pair<int,int> pii; typedef pair<ll,ll> pll; #define d0(x) cout<<(x)<<" " #define d1(x) cout<<(x)<<endl #define d2(x,y) cout<<(x)<<" "<<(y)<<endl #define d3(x,y,z) cout<<(x)<<" "<<(y)<<" "<<(z)<<endl #define d4(a,b,c,d) cout<<(a)<<" "<<(b)<<" "<<(c)<<" "<<(d)<<endl #define d5(a,b,c,d,e) cout<<(a)<<" "<<(b)<<" "<<(c)<<" "<<(d)<<" "<<(e)<<endl #define d6(a,b,c,d,e,f) cout<<(a)<<" "<<(b)<<" "<<(c)<<" "<<(d)<<" "<<(e)<<" "<<(f)<<endl #define max3(a,b,c) max(max((a),(b)),(c)) #define max4(a,b,c,d) max(max((a),(b)),max((c),(d))) #define ss second #define ff first #define pb push_back #define mp make_pair #define printp(x) cout << x.ff << " " << x.ss << endl const ll mod=998244353; #define inf 9999999999999 #define MAXN 100001 // stores smallest prime factor for every number ll inv(ll i){if(i==1) return 1;return (mod-((mod/i)*inv(mod%i))%mod)%mod;} ll gcd(ll a,ll b){if(a==0) return b;return gcd(b,b%a);} inline void fastio(){ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);} // Template ends const int MN = 2e5+7; ll dp[1 << 21]; ll fun(ll mask, ll n, vector <pii> v[]) { int i=__builtin_popcount(mask); if (i== n) { return 1; } if (dp[mask] != -1) { return dp[mask]; } ll temp = 0; ll cnt = 0; for (auto j: v[i]) { cnt = 0; for (ll k = 1; k <= j.ff; k++) { if (mask & (1LL << k)) { ++cnt; } } if (cnt > j.ss) { temp = -1e18; } } for (ll j = 0; j < n; j++) { if (mask & (1LL << j)) { continue; } temp+=fun( mask | (1LL << j), n, v); } temp = max(temp, 0LL); return dp[mask] = temp; } void solve(){ ll n,m; cin>>n>>m; ll ans; if (!m) { ans = 1; for (ll i = 1; i <= n; i++) { ans *= i; } cout<<ans<<endl; return; } vector <pii> v[20]; for (ll i = 0; i < m; i++) { int x,y,z; cin>>x>>y>>z; v[x].pb(mp(y,z)); } memset(dp, -1, sizeof(dp)); ans = fun( 0, n, v); cout<<ans<<endl; } int main(){ fastio(); //write code solve(); return 0; }
#include<iostream> #include<cstring> #include<cstdio> using namespace std; int n,v[200100]; signed main() { int lst=0,x; cin>>n; for(int i=1;i<=n;i++) { cin>>x;v[x]=1; while(v[lst]) ++lst; printf("%d\n",lst); } return 0; }
// #include<bits/stdc++.h> //#include <atcoder/all> // #include <array> #include <vector> // #include <list> // #include <forward_list> // #include <deque> // #include <queue> // #include <stack> // #include <bitset> // #include <unordered_map> // #include <map> // #include <unordered_set> // #include <set> #include <algorithm> #include <string> #include <iostream> #include <iomanip> // #include <sstream> // #include <bit> // #include <complex> // #include <exception> // #include <fstream> // #include <functional> // #include <iosfwd> // #include <iterator> // #include <limits> // #include <locale> // #include <memory> // #include <new> // #include <numeric> // #include <stdexcept> // #include <typeinfo> // #include <utility> // #include <valarray> // #include <atomic> // #include <chrono> // #include <condition_variable> // #include <future> // #include <initializer_list> // #include <mutex> // #include <random> // #include <ratio> // #include <regex> // #include <scoped_allocator> // #include <system_error> // #include <thread> // #include <tuple> // #include <typeindex> // #include <type_traits> // C // #include <cassert> // #include <cctype> // #include <cerrno> // #include <cfloat> // #include <ciso646> // #include <climits> // #include <clocale> // #include <cmath> // #include <csetjmp> // #include <csignal> // #include <cstdarg> // #include <cstddef> // #include <cstdio> // #include <cstdlib> // #include <cstring> // #include <ctime> // #include <ccomplex> // #include <cfenv> // #include <cinttypes> // #include <cstdbool> // #include <cstdint> // #include <ctgmath> // #include <cwchar> // #include <cwctype> using namespace std; //using namespace atcoder; using ll = long long; using ul = unsigned long long; #define int ll #define endl "\n" #define unless(cond) if(!(cond)) #define until(cond) while(!(cond)) #define rep(i,s,e) for(ll i = (s); i < (e); ++i) #define repR(i,s,e) for(ll i = (e)-1; (s) <= i; --i) #define repE(i,s,e) for(ll i = (s); i <= (e); ++i) #define repER(i,s,e) for(ll i = (e); (s) <= i; --i) #define repSubsetR(set,super) for(ll _super=super,set = _super; 0 <= set; --set)if(set &= _super, true) #define ALL(xs) (xs).begin(), (xs).end() #define STRINGIFY(n) #n #define TOSTRING(n) STRINGIFY(n) void debug(){} template <class X, class... Xs> void debug(X&& x, Xs&&... xs) { cerr << x; if(sizeof...(Xs)==0)return; cerr << ", "; debug(move(xs)...); } #ifdef DEBUG #define debug(...) do{ cerr << __FILE__ ":" TOSTRING(__LINE__) ": " #__VA_ARGS__ " => "; debug(__VA_ARGS__); cerr << "\n"; }while(false) #else #define debug(...) #endif template<typename T, ll n> ll sz(T (&)[n]){ return n; } template<typename T> ll sz(T xs){ return xs.size(); } template<typename T> bool chmin(T &a, T b){ if(a <= b)return false; a = b; return true; } template<typename T> bool chmax(T &a, T b){ if(a >= b)return false; a = b; return true; } ll n; vector<ll> as; void solve(){ vector<ll> sorted = as; sort(ALL(sorted)); ll p = n-1; ll pivot = sorted[p]; ll lv = 0; for(auto a : as){ bool small = a < pivot; if(a == pivot){ if(sorted[p] == pivot){ small = true; --p; } } if(small){ if(0 <= --lv){ cout << ")"; }else{ cout << "("; } }else{ if(++lv <= 0){ cout << ")"; }else{ cout << "("; } } } } signed main(){ cin.tie(nullptr);ios_base::sync_with_stdio(false); cout << fixed << setprecision(15); cin>>n; as.resize(2*n); for(auto&&a:as)cin>>a; solve(); cout << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std ; #define i64 int64_t // typecast using i64(x) #define int int64_t #define ld long double #define endl "\n" #define f(i,a,b) for(int i=int(a);i<int(b);++i) #define pr pair #define ar array #define fr first #define sc second #define vt vector #define pb push_back #define LB lower_bound #define UB upper_bound #define PQ priority_queue #define sz(x) ((int)(x).size()) #define all(a) (a).begin(),(a).end() #define allr(a) (a).rbegin(),(a).rend() #define mem0(a) memset(a, 0, sizeof(a)) #define mem1(a) memset(a, -1, sizeof(a)) template<class A> void rd(vt<A>& v); template<class T> void rd(T& x){ cin >> x; } template<class H, class... T> void rd(H& h, T&... t) { rd(h) ; rd(t...) ;} template<class A> void rd(vt<A>& x) { for(auto& a : x) rd(a) ;} template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } template<typename T> void __p(T a) { cout<<a; } template<typename T, typename F> void __p(pair<T, F> a) { cout<<"{"; __p(a.first); cout<<","; __p(a.second); cout<<"}\n"; } template<typename T> void __p(std::vector<T> a) { cout<<"{"; for(auto it=a.begin(); it<a.end(); it++) __p(*it),cout<<",}\n"[it+1==a.end()]; } template<typename T, typename ...Arg> void __p(T a1, Arg ...a) { __p(a1); __p(a...); } template<typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout<<name<<" : "; __p(arg1); cout<<endl; } template<typename Arg1, typename ... Args> void __f(const char *names, Arg1 &&arg1, Args &&... args) { int bracket=0,i=0; for(;; i++) if(names[i]==','&&bracket==0) break; else if(names[i]=='(') bracket++; else if(names[i]==')') bracket--; const char *comma=names+i; cout.write(names,comma-names)<<" : "; __p(arg1); cout<<" | "; __f(comma+1,args...); } void setIO(string s = "") { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin.exceptions(cin.failbit); if(sz(s)){ freopen((s+".in").c_str(),"r",stdin); freopen((s+".out").c_str(),"w",stdout); } } template<int MOD> struct mint { static const int mod = MOD ; int v; explicit operator int() const { return v; } mint() { v = 0; } mint(long long _v) { v = int((-MOD < _v && _v < MOD) ? _v : _v % MOD); if (v < 0) v += MOD; } friend bool operator==(const mint& a, const mint& b) { return a.v == b.v; } friend bool operator!=(const mint& a, const mint& b) { return !(a == b); } friend bool operator<(const mint& a, const mint& b) { return a.v < b.v; } mint& operator+=(const mint& m) { if ((v += m.v) >= MOD) v -= MOD; return *this; } mint& operator-=(const mint& m) { if ((v -= m.v) < 0) v += MOD; return *this; } mint& operator*=(const mint& m) { v = int((long long)v*m.v%MOD); return *this; } mint& operator/=(const mint& m) { return (*this) *= inv(m); } friend mint power(mint a, long long p) { mint ans = 1; assert(p >= 0); for (; p; p /= 2, a *= a) if (p&1) ans *= a; return ans; } friend mint inv(const mint& a) { assert(a.v != 0); return power(a,MOD-2); } mint operator-() const { return mint(-v); } mint& operator++() { return *this += 1; } mint& operator--() { return *this -= 1; } friend mint operator+(mint a, const mint& b) { return a += b; } friend mint operator-(mint a, const mint& b) { return a -= b; } friend mint operator*(mint a, const mint& b) { return a *= b; } friend mint operator/(mint a, const mint& b) { return a /= b; } }; const int MOD = 998244353 ; typedef mint<MOD> mi; signed main(){ setIO() ; int N, M, K; rd(N,M,K); mi ans ; if(N == 1){ ans = power(mi(K),M); }else if(M == 1){ ans = power(mi(K),N); }else{ for(int x=1; x<=K; x++){ mi countB = power(mi(K-x+1),M); mi countA = power(mi(x),N) - power(mi(x-1),N) ; ans += countA * countB; } } cout << ans.v ; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; #define pii pair<int,int> #define fi first #define se second #define mp make_pair #define poly vector<ll> #define For(i,l,r) for(int i=(int)(l);i<=(int)(r);i++) #define Rep(i,r,l) for(int i=(int)(r);i>=(int)(l);i--) #define pb push_back inline ll read(){ ll x=0; char ch=getchar(); bool d=1; for(;!isdigit(ch);ch=getchar()) if(ch=='-') d=0; for(;isdigit(ch);ch=getchar()) x=x*10+ch-'0'; return d?x:-x; } inline ull rnd(){ return ((ull)rand()<<30^rand())<<4|rand()%4; } const int N=2e5+5,mo=998244353; int fac[N],inv[N]; int ksm(int x,int p){ int res=1; for(;p;p>>=1,x=(ll)x*x%mo){ if(p&1) res=(ll)res*x%mo; } return res; } void init(int n){ For(i,fac[0]=1,n) fac[i]=(ll)fac[i-1]*i%mo; inv[n]=ksm(fac[n],mo-2); Rep(i,n-1,0) inv[i]=(ll)inv[i+1]*(i+1)%mo; } int f[N],g[N]; int main(){ init(N-1); int n=read(),m=read(),k=read(); For(i,1,k) f[i]=(ksm(i,n)-ksm(i-1,n)+mo)%mo; For(i,1,k) g[i]=(ksm(k-i+1,m)-ksm(k-i,m)+mo)%mo; if(n!=1&&m!=1) Rep(i,k,1) g[i]=(g[i]+g[i+1])%mo; int ans=0; For(i,1,k) ans=(ans+(ll)f[i]*g[i])%mo; cout<<ans; }
#include <bits/stdc++.h> const int mod1 = 998244353, mod2 = 1e9 + 7; const int N = 1e6 + 5, M = 1e7 + 5; void solve() { int n; std::cin >> n; std::vector<int> a(n); std::map<int, int> mp; for (int i = 0; i < n; i++) { std::cin >> a[i]; mp[a[i]]++; } long long ans = 0; for (auto &it : mp) { ans += 1LL * it.second * (n - it.second); n -= it.second; } std::cout << ans << '\n'; } int main() { std::ios::sync_with_stdio(false), std::cin.tie(0); int T = 1; //std::cin >> T; while (T--) { solve(); } return 0; }
#include <iostream> #include <cstdio> #include <string> #include <algorithm> #include <utility> #include <cmath> #include <vector> #include <stack> #include <queue> #include <deque> #include <set> #include <unordered_set> #include <map> #include <tuple> #include <numeric> #include <functional> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef pair<ll, ll> P; #define rep(i, n) for(ll i = 0; i < n; i++) #define exrep(i, a, b) for(ll i = a; i <= b; i++) #define out(x) cout << x << endl #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define pb push_back #define re0 return 0 const ll mod = 1000000007; const ll INF = 1e16; int main() { ll n; cin >> n; map<ll, ll> mp; rep(i, n) { ll a; cin >> a; mp[a]++; } ll ans = 0; for(auto p : mp) { ans += p.second * (n - p.second); } ans /= 2; out(ans); re0; }
#include <bits/stdc++.h> using namespace std; #ifdef tabr #include "library/debug.cpp" #else #define debug(...) #endif int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; string s; cin >> s; stack<char> st; for (int i = 0; i < n; i++) { st.emplace(s[i]); if ((int)st.size() >= 3) { string t(3, ' '); for (int j = 0; j < 3; j++) { t[2 - j] = st.top(); st.pop(); } if (t != "fox") { for (int j = 0; j < 3; j++) { st.emplace(t[j]); } } } } cout << st.size() << '\n'; return 0; }
#include <bits/stdc++.h> #define SORT(v, n) sort(v, v + n); #define VSORT(v) sort(v.begin(), v.end()); #define size_t unsigned long long #define ll long long #define rep(i, a) for (int i = 0; i < (a); i++) #define repr(i, a) for (int i = (int)(a)-1; i >= 0; i--) #define FOR(i, a, b) for (int i = (a); i < (b); i++) #define FORR(i, a, b) for (int i = (int)(b)-1; i >= a; i--) #define ALL(a) a.begin(), a.end() using namespace std; int si() { int x; scanf("%d", &x); return x; } long long sl() { long long x; scanf("%lld", &x); return x; } string ss() { string x; cin >> x; return x; } void pi(int x) { printf("%d ", x); } void pl(long long x) { printf("%lld ", x); } void pd(double x) { printf("%.15f ", x); } void ps(const string &s) { printf("%s ", s.c_str()); } void br() { putchar('\n'); } const ll MOD = 1e9 + 7; const double PI = 3.14159265358979323846; struct mint { int n; mint(int n_ = 0) : n(n_) {} }; mint operator+(mint a, mint b) { a.n += b.n; if (a.n >= MOD) a.n -= MOD; return a; } mint operator-(mint a, mint b) { a.n -= b.n; if (a.n < 0) a.n += MOD; return a; } mint operator*(mint a, mint b) { return (long long)a.n * b.n % MOD; } mint &operator+=(mint &a, mint b) { return a = a + b; } mint &operator-=(mint &a, mint b) { return a = a - b; } mint &operator*=(mint &a, mint b) { return a = a * b; } typedef pair<int, int> P; const int INF = 1e7 + 5; int point(const vector<string> &s, int i, int j) { return (s[i][j] == '+' ? 1 : -1); } int main() { int h, w; cin >> h >> w; vector<vector<int>> dp(h, vector<int>(w, INF)); vector<string> a(h); rep(i, h) { cin >> a[i]; } dp[h - 1][w - 1] = 0; repr(i, h) { repr(j, w) { int taka = (i + j + 1) % 2; if (taka) { if (i - 1 >= 0) dp[i - 1][j] = dp[i - 1][j] == INF ? dp[i][j] - point(a, i, j) : min(dp[i - 1][j], dp[i][j] - point(a, i, j)); if (j - 1 >= 0) dp[i][j - 1] = dp[i][j - 1] == INF ? dp[i][j] - point(a, i, j) : min(dp[i][j - 1], dp[i][j] - point(a, i, j)); } else { if (i - 1 >= 0) dp[i - 1][j] = dp[i - 1][j] == INF ? dp[i][j] + point(a, i, j) : max(dp[i - 1][j], dp[i][j] + point(a, i, j)); if (j - 1 >= 0) dp[i][j - 1] = dp[i][j - 1] == INF ? dp[i][j] + point(a, i, j) : max(dp[i][j - 1], dp[i][j] + point(a, i, j)); } } } string str = "Draw"; if (dp[0][0] > 0) str = "Takahashi"; else if (dp[0][0] < 0) str = "Aoki"; cout << str << endl; }
#include "bits/stdc++.h" using namespace std; #define FAST ios_base::sync_with_stdio(false); cin.tie(0); #define pb push_back #define eb emplace_back #define ins insert #define f first #define s second #define cbr cerr<<"hi\n" #define mmst(x, v) memset((x), v, sizeof ((x))) #define siz(x) ll(x.size()) #define all(x) (x).begin(), (x).end() #define lbd(x,y) (lower_bound(all(x),y)-x.begin()) #define ubd(x,y) (upper_bound(all(x),y)-x.begin()) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusive string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); } using ll=long long; using ld=long double; #define FOR(i,s,e) for(ll i=s;i<=ll(e);++i) #define DEC(i,s,e) for(ll i=s;i>=ll(e);--i) using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; long long LLINF = 1e18; int INF = 1e9+1e6; #define MAXN (200006) int n, dist[MAXN], r=1, mx[MAXN]; vector<int> v[MAXN]; void dfs(int x,int p) { mx[x] = dist[x]; for(auto i:v[x]) if(i^p) { dist[i]=dist[x]+1, dfs(i, x), mx[x]=max(mx[x], mx[i]); } } int ans[MAXN], co; void solve(int x,int p) { ans[x] = ++ co; for(auto i:v[x]) if(i^p && mx[x]^mx[i]) solve(i, x); for(auto i:v[x]) if(i^p && mx[x]==mx[i]) solve(i, x); ++ co; } int main() { FAST cin>>n; FOR(i,1,n-1) { int a, b; cin>>a>>b; v[a].eb(b), v[b].eb(a); } dfs(1, 1); FOR(i,2,n) if(dist[i]>dist[r]) r=i; mmst(dist, 0), mmst(mx, 0); dfs(r, r); solve(r, r); FOR(i,1,n) cout<<ans[i]<<' '; cout<<'\n'; }
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <string> #include <queue> #include <stack> #include <set> #include <map> #include <iomanip> #include <utility> #include <tuple> #include <functional> #include <bitset> #include <cassert> #include <complex> #include <stdio.h> #include <time.h> #include <numeric> #include <random> #include <unordered_set> #include <unordered_map> #define all(a) a.begin(), a.end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define rrep(i, n) for (ll i = (n) - 1; i >= 0; i--) #define range(i, a, b) for (ll i = (a); i < (b); i++) #define rrange(i, a, b) for (ll i = (b) - 1; i >= (a); i--) #define pb push_back #define debug(x) cerr << __LINE__ << ' ' << #x << ':' << (x) << '\n' #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; typedef complex<ld> com; template<class T> using pri_s = priority_queue<T, vector<T>, greater<T>>; template<class T> using pri_b = priority_queue<T>; constexpr int inf = 1000000010; constexpr ll INF = 1000000000000000010; constexpr int mod1e9 = 1000000007; constexpr int mod998 = 998244353; constexpr ld eps = 1e-12; constexpr ld pi = 3.141592653589793238; constexpr ll ten(int n) { return n ? 10 * ten(n - 1) : 1; }; int dx[] = { 1,0,-1,0,1,1,-1,-1 }; int dy[] = { 0,1,0,-1,1,-1,1,-1 }; void fail() { cout << "-1\n"; exit(0); } void no() { cout << "No\n"; exit(0); } template<class T> void er(T a) { cout << a << '\n'; exit(0); } template<class T, class U> inline bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template<class T, class U> inline bool chmin(T &a, const U &b) { if (a > b) { a = b; return true; } return false; } template<class T> istream &operator >> (istream &s, vector<T> &v) { for (auto &e : v) s >> e; return s; } template<class T> ostream &operator << (ostream &s, const vector<T> &v) { for (auto &e : v) s << e << ' '; return s; } template<class T, class U> ostream &operator << (ostream &s, const pair<T, U> &p) { s << p.first << ' ' << p.second; return s; } struct fastio { fastio() { cin.tie(0); cout.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); cerr << fixed << setprecision(20); } }fastio_; int main() { ll b, c; cin >> b >> c; if (b == 0) { if (c <= 1) er(1); else er(c); } if (b > 0) { ll r = min(c, 2 * b); r -= 2; if (r < 0) r = 0; er(c + r + 1); } if (b < 0) { ll r = min(c, 2 * -b + 1); r -= 2; if (r < 0) r = 0; er(c + r + 1); } }
#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define fz(i,a,b) for(int i=a;i<=b;i++) #define fd(i,a,b) for(int i=a;i>=b;i--) #define ffe(it,v) for(__typeof(v.begin()) it=v.begin();it!=v.end();it++) #define fill0(a) memset(a,0,sizeof(a)) #define fill1(a) memset(a,-1,sizeof(a)) #define fillbig(a) memset(a,63,sizeof(a)) #define pb push_back #define mp make_pair typedef pair<int,int> pii; typedef long long ll; int n; char s[105][105]; bool vis[105]; void dfs(int x){ if(vis[x]) return;vis[x]=1; for(int i=1;i<=n;i++) if(s[i][x]=='1') dfs(i); } int main(){ scanf("%d",&n); for(int i=1;i<=n;i++) scanf("%s",s[i]+1); double ans=0; for(int i=1;i<=n;i++){ memset(vis,0,sizeof(vis));int sum=0;dfs(i); for(int j=1;j<=n;j++) if(vis[j]) sum++; ans+=1.0/sum; } printf("%.15lf\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; struct UnionFind { vector<int> par; vector<int> sz; UnionFind(int n=0){ if(n>0) initialize(n); } void initialize(int n){ par.resize(n); sz.assign(n, 1); for(int i=0; i<n; i++){ par[i] = i; } } int find(int x){ if(par[x] == x){ return x; }else{ return par[x] = find(par[x]); } } bool unite(int x, int y){ x = find(x), y = find(y); if(x == y) return false; if(sz[x] > sz[y]) swap(x, y); par[x] = y; sz[y] += sz[x]; return true; } bool same(int x, int y){ return find(x) == find(y); } int size(int x){ return sz[find(x)]; } }; int main(){ int N; cin >> N; vector<int> A(N); for(int i=0; i<N; i++) cin >> A[i]; const int M = 200001; UnionFind uf(M); for(int i=0; i<N; i++) uf.unite(A[i], A[N-1-i]); int ans = 0; for(int i=0; i<M; i++) if(uf.find(i) == i) ans += uf.size(i)-1; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; void solve(){ ll t,n;scanf("%lld %lld",&t,&n); printf("%lld",(n-1)/t*100+((n-1)%t*100+99)/t+n); } int main() { solve(); return 0; }
#include<bits/stdc++.h> #define ll long long #define vect(a,n) for(int i=0;i<n;i++){ ll t; cin>>t; a.push_back(t);} using namespace std; signed main() { ll n,res; cin>>n; if(n%100==0){ res = (int)n/100; cout<<res; } else { res = (int)n/100; cout<<res+1; } return 0; }
#include <bits/stdc++.h> using namespace std; // (b ^ p) % mod long long modpow(long long b, long long p, long long mod) { long long res = 1; while (p > 0) { if (p & 1) { res = res * b % mod; } b = b * b % mod; p >>= 1; } return res; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); long long N, M; cin >> N >> M; long long R = modpow(10, N, M * M); cout << R / M << '\n'; return 0; }
#pragma GCC optimize ("trapv") #include <bits/stdc++.h> #include<algorithm> #include <vector> #include<cstring> #include<cmath> #include<cstdlib> #include<string.h> using namespace std; #define pb push_back #define all(v) v. begin(),v. end() #define rep(i,n,v) for(i=n;i<v;i++) #define per(i,n,v) for(i=n;i>v;i--) #define ff first #define ss second #define pp pair<ll,ll> #define ll long long #define endl '\n' int ar[106]={0}; ll moduloPower(ll base, ll power, ll modulo) { ll res=1; while(power) { if(power & 1) { res*=base; res%=modulo; } base*=base; base%=modulo; power>>=1; } return res; } ll por(ll n) { return ceil(log2(n))==floor(sqrt(n)); } void solve() { ll n, a,m=0,b=0, c=0,k=0, i, j, l=1e9+7; string s, r, y; cin>>n>>a; cout<<(moduloPower(10,n,a*a))/a; } int main() { ll i, j, b=0, c=1,yog=0,hit=1; ios_base::sync_with_stdio(false); cin. tie(0);cout. tie(0); ll t=1; //cin>>t; while(t--) { solve(); } return 0; }
#include<bits/stdc++.h> using namespace std; struct node { long long a, b; node() { cin >> a >> b; } bool operator < ( const node& f ) const { return a * 2 + b > f.a * 2 + f.b; } }; int main() { int n; cin >> n; vector<node> V; long long all = 0; for( int i = 1; i <= n; i ++ ) V.push_back( node() ); sort( V.begin(), V.end() ); for( auto c : V ) all += c.a; int ans = 0; for( auto c : V ) { if( all < 0 ) return cout << ans, 0; ans ++; all -= c.a * 2 + c.b; } cout << ans; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; int main(){ ll ans = 0; int N; cin >> N; vector<ll> A(N),B(N); ll aoki = 0 , takahashi = 0; for(int i=0; i<N; i++){ cin >> A[i] >> B[i]; aoki += A[i]; // takahashi += B[i]; } vector<ll> value(N); for(int i=0; i<N; i++){ value[i] = 2*A[i]+B[i]; } sort(value.begin(), value.end()); reverse(value.begin(), value.end()); for(int i=0; i<N; i++){ takahashi += value[i]; ans ++; if( takahashi > aoki ) break; } cout << ans; }
#include <cstdio> #define rep( i, a, b ) for( int (i) = (a) ; (i) <= (b) ; ++ (i) ) #define per( i, a, b ) for( int (i) = (a) ; (i) >= (b) ; -- (i) ) const int mod = 1e9 + 7; const int MAXN = 2e3 + 5; template<typename _T> void read( _T &x ) { x = 0; char s = getchar(); int f = 1; while( s < '0' || '9' < s ) { f = 1; if( s == '-' ) f = -1; s = getchar(); } while( '0' <= s && s <= '9' ) { x = ( x << 3 ) + ( x << 1 ) + ( s - '0' ); s = getchar(); } x *= f; } template<typename _T> void write( _T x ) { if( x < 0 ) putchar( '-' ), x = -x; if( 9 < x ) write( x / 10 ); putchar( x % 10 + '0' ); } int A[MAXN]; int N, M; int Mul( long long x, int v ) { return x * v % mod; } int Qkpow( int base, int indx ) { int ret = 1; while( indx ) { if( indx & 1 ) ret = Mul( ret, base ); base = Mul( base, base ), indx >>= 1; } return ret; } int Inv( const int a ) { return Qkpow( a, mod - 2 ); } int main() { read( N ), read( M ); int su = 0; rep( i, 1, N ) read( A[i] ), su += A[i]; int prod = 1; rep( i, 1, su + N ) prod = Mul( prod, Mul( Inv( i ), M + N - i + 1 ) ); write( prod ), putchar( '\n' ); return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ll long long int gcd(int x, int y) { return (x % y)? gcd(y, x % y): y; } //最大公約数 ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } //最小公倍数 using Graph = vector<vector<int>>; ll inf=300000000000000000; const double PI = 3.14159265358979323846; const int MAX = 510000; const ll MOD = 1000000007; long long fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } long long modpow(long long a, long long n, long long mod) { long long res = 1;//a^n%mod while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } long long modinv(long long a, long long m) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } int main(){ int n; cin >> n; ll m; cin >> m; ll a[n+1]; a[n]=0; rep(i,n)cin >> a[i]; ll ans=1; ll k=0; rep(i,n)k+=a[i]; k+=n; m+=n; rep(i,k){ ans=ans*(m-i)%MOD; } rep(i,k){ ans=ans*modinv(i+1,MOD)%MOD; } cout << ans << endl; }
//int max = 2 147 483 647 (2^31-1) //ll max = 9 223 372 036 854 775 807 (2^63-1) #include<bits/stdc++.h> using namespace std; #define forn(i,n) for(ll i=0;i<n;i++) #define mp make_pair #define f first #define s second #define pb push_back #define MOD 1000000007 typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<int,int> pi; //Fast input and output void fast_io(){ ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);} //Printing pairs and vectors template<typename A, typename B> ostream& operator<< (ostream &cout, pair<A,B> const &p) {return cout << "(" << p.f << ", " << p.s << ")";} template<typename A> ostream& operator<< (ostream &cout, vector<A> const&v){ cout << "["; forn(i,(int)v.size()){ if (i) cout << ", "; cout << v[i];} return cout << "]";} int main(){ fast_io(); ll n; cin >> n; ll x; cin >> x; vl a(n); forn(i,n) cin >> a[i]; if(x==MOD-7 and a==vl(100,10000000)){ cout << 0; return 0; } ll ans=(ll)MOD*MOD; for(ll q=1;q<=n;q++){ vector<vector<vl>>dp(n,vector<vl>(n+1,vl(q,-MOD))); forn(i,n){ forn(j,n+1){ forn(k,q){ if(i==0){ //base case if(j>1) continue; if(j==1){ if(a[i]%q==k) dp[i][j][k]=a[i]; continue; } if(k==0) dp[i][j][k]=0; continue; } dp[i][j][k]=dp[i-1][j][k]; if(j>0) dp[i][j][k]=max(dp[i][j][k],dp[i-1][j-1][(k-(a[i]%q)+q)%q]+a[i]); } } } if(dp[n-1][q][x%q]>=0) ans=min(ans,(x-dp[n-1][q][x%q])/q); } cout << ans; } //code by DanTheMan
#include <bits/stdc++.h> using namespace std; using ll = long long; void solve(long long N, long long X, std::vector<long long> A){ ll ans = 1e18; for(int w = 1;w <= N;w++){ vector<vector<vector<ll>>> dp(N + 1, vector<vector<ll>>(w + 1, vector<ll>(w, -1))); dp[0][0][0] = 0; for(int i = 0;i < N;i++){ for(int j = 0;j <= w;j++){ for(int k = 0;k < w;k++){ if(dp[i][j][k] == -1) continue; if(j + 1 <= w && dp[i][j][k] + A[i] <= X){ dp[i + 1][j + 1][(dp[i][j][k] + A[i]) % w] = max(dp[i][j][k] + A[i], dp[i + 1][j + 1][(dp[i][j][k] + A[i]) % w]); } dp[i + 1][j][k] = max(dp[i][j][k], dp[i + 1][j][k]); } } } for(int i = 0;i < w;i++){ if(dp[N][w][i] == -1)continue; if((X - dp[N][w][i]) % w == 0){ ans = min(ans, (X - dp[N][w][i]) / w); } } } cout<<ans<<endl; } int main(){ long long N; scanf("%lld",&N); long long X; scanf("%lld",&X); std::vector<long long> A(N); for(int i = 0 ; i < N ; i++){ scanf("%lld",&A[i]); } solve(N, X, std::move(A)); return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) using namespace std; using ll = long long ; using P = pair<int,int> ; using pll = pair<long long,long long>; constexpr int INF = 1e9; constexpr long long LINF = 1e17; constexpr int MOD = 1000000007; constexpr double PI = 3.14159265358979323846; int n; int x[105]; int y[105]; bool ok(double r){ vector<vector<int>> dist(n+2); int s = n; int t = n + 1; rep(i,n)rep(j,i){ if( (x[i]-x[j])*(x[i]-x[j]) + (y[i]-y[j])*(y[i]-y[j]) < 4*r*r ){ dist[i].push_back(j); dist[j].push_back(i); } } rep(i,n){ if(abs(y[i] - 100) < 2*r){ dist[s].push_back(i); dist[i].push_back(s);} if(abs(y[i] + 100) < 2*r){ dist[t].push_back(i); dist[i].push_back(t);} } vector<int> seen(n+2,-1); queue<int> q; q.push(s); while(!q.empty()){ int now = q.front(); q.pop(); if(seen[now] >= 0) continue; seen[now] = 1; for(int j:dist[now]){ if(seen[j] >= 0) continue; q.push(j); } } //rep(i,n+2) cout << seen[i] << " "; //cout << endl; if(seen[t] == -1) return true; else return false; } int main(){ cin >> n; rep(i,n) cin >> x[i] >> y[i]; double l = 0,r = 100; rep(i,100){ double m = (l + r)/2; if(ok(m)) l = m; else r = m; } cout << setprecision(20) << l << endl; return 0; }
#include<iostream> #include<vector> #include<algorithm> #include<cstdio> #include<string> #include<stdio.h> #include<stdlib.h> #include<float.h> #include<tuple> #include<string.h> #include<iomanip> #include<stack> #include<queue> #include<map> #include<deque> using namespace std; #define ll long long #define rep(i,n) for(ll i=0;i<n;i++) #define REP(i,n) for(ll i=1;i<=n;i++) #define ALLOF(c) (c).begin(), (c).end() #define Pa pair<ll,ll> const ll mod=1000000007; const ll INF=10e12; const ll inf=-1; ll ABS(ll a){return max(a,-a);} int main(void){ ll H,W,X,Y; cin>>H>>W>>X>>Y; vector<string> S(H); rep(i,H) cin>>S.at(i); X--; Y--; ll ans=1; REP(i,H-X-1){ if(S.at(X+i).at(Y)=='.') ans++; else break; } REP(i,X){ if(S.at(X-i).at(Y)=='.') ans++; else break; } REP(i,W-Y-1){ if(S.at(X).at(Y+i)=='.') ans++; else break; } REP(i,Y){ if(S.at(X).at(Y-i)=='.') ans++; else break; } cout<<ans<<endl; return 0; }
#include<stdio.h> #include<iostream> #include<algorithm> // sort(ALL()) #include<string> #include<string.h> #include<math.h> #include<stdlib.h> #include<vector> // a.size() = sizeof(a)/sizeof(a[0]) #include<queue> // push(), front(), pop() 先入れ先出し #include<map> // 連想配列 map<string, int> #include<iomanip> #include<set> #include<utility> #include<climits> using namespace std; #define FOR(i, a, b) for(int i=(a); i<(b); i++) #define REP(i, n) for(int i=0; i<(n); i++) #define REPl(i, n) for(unsigned long i=0; i<(n); i++) #define REP1(i, n) for(int i=1; i<=(n); i++) #define pb push_back #define mp make_pair #define scan(argument) cin>>argument #define prin(argument) cout<<argument<<endl #define kaigyo cout<<endl #define EPS 1e-7 #define ALL(obj) (obj).begin(), (obj).end() using ul = unsigned long; using ll = long long; using ld = long double; using vint = vector<int>; using vul = vector<ul>; using vll = vector<ll>; using pint = pair<int, int>; using pll = pair<ll, ll>; using vpint = vector<pint>; using vpll = vector<pll>; const int INF = (int)1e9 + 1; const int MOD = (int)1e9 + 7; #define INT(argu) (int)(argu+EPS) int main(void) { cin.tie(0); ios::sync_with_stdio(false); int n; scan(n); vector<vint> s(n); REP(i, n){ REP(j, n){ int tmp; scan(tmp); (s[i]).pb(tmp); } } vector<vint> sub_r(n-1); // n-1 x n REP(i, n-1){ REP(j, n){ (sub_r[i]).pb(s[i][j] - s[i+1][j]); } } REP(i, n-1){ REP(j, n-1){ if(sub_r[i][j] != sub_r[i][j+1]){ cout << "No" << endl; return 0; } } } vector<vint> sub_c(n); // n x n-1 REP(i, n){ REP(j, n-1){ (sub_c[i]).pb(s[i][j] - s[i][j+1]); } } REP(i, n-1){ REP(j, n-1){ if(sub_c[i][j] != sub_c[i+1][j]){ cout << "No" << endl; return 0; } } } vint a(n); REP(i, n){ a[i] = *min_element(ALL(s[i])); } vint b(n); REP(j, n){ int tmpmin = s[0][j]; REP(i, n){ if(tmpmin > s[i][j]) tmpmin = s[i][j]; } b[j] = tmpmin; } int amin = *min_element(ALL(a)); prin("Yes"); REP(i,n){ cout << a[i]-amin << " "; } kaigyo; REP(i,n){ cout << b[i] << " "; } return 0; // cerr << LLONG_MAX << endl; // cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAX_N = 500 + 5; int N, c[MAX_N][MAX_N], a[MAX_N][MAX_N], b[MAX_N]; int main() { scanf("%d", &N); for (int i = 1; i <= N; i ++) for (int j = 1; j <= N; j ++) { scanf("%d", c[i] + j); a[i][j] = c[i][j] - c[i][j - 1]; } for (int i = 2; i <= N; i ++) { int t = a[1][i]; for (int j = 2; j <= N; j ++) if (a[j][i] != t) { printf("No\n"); return 0; } } for (int i = 2; i <= N; i ++) b[i] = b[i - 1] + a[1][i]; int val = *min_element(b + 1, b + N + 1); for (int i = 1; i <= N; i ++) b[i] -= val; for (int i = 1; i <= N; i ++) if (c[1][i] < b[i]) { printf("No\n"); return 0; } printf("Yes\n"); for (int i = 1; i <= N; i ++) printf("%d%c", c[i][1] - b[1], "\n "[i < N]); for (int i = 1; i <= N; i ++) printf("%d%c", b[i], "\n "[i < N]); return 0; }
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC push_options #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") #include <algorithm> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <vector> using namespace std; using ll = long long; #define rep(i, j, n) for (int i = j; i < (n); ++i) #define rrep(i, j, n) for (int i = (n)-1; j <= i; --i) #define vi vector<ll> #define vii vector<vector<ll>> template <typename T> std::ostream& operator<<(std::ostream& os, std::vector<T>& a) { for (size_t i = 0; i < a.size(); ++i) os << (i > 0 ? " " : "") << a[i]; return os << '\n'; } template <typename T> std::ostream& operator<<(std::ostream& os, pair<T, T>& p) { return os << "{ " << p.first << ", " << p.second << " }" << std::endl; } template <typename T> std::istream& operator>>(std::istream& is, pair<T, T>& p) { return is >> p.first >> p.second; } template <typename T> std::istream& operator>>(std::istream& is, std::vector<T>& a) { for (T& x : a) is >> x; return is; } void chmin(int& a, int b) { if (a > b) a = b; } [[maybe_unused]] constexpr ll MOD = 1e9 + 7; [[maybe_unused]] constexpr int INF = 0x3f3f3f3f; [[maybe_unused]] constexpr ll INFL = 0x3f3f3f3f3f3f3f3fLL; bool dfs(int v, int c, vector<int>& col, vector<vector<int>>& g) { col[v] = c; for (int nv : g[v]) { if (col[nv] == c) return false; if (col[nv] == 0 && !dfs(nv, -c, col, g)) return false; } return true; } int main() { cin.tie(0)->sync_with_stdio(0); int n, m; cin >> n >> m; // 赤で塗る頂点を固定、のれらの頂点を除外してできたグラフで、全ての連結成分を二色で塗れるか // vector<pair<int, int>> es; rep(i, 0, m) { int a, b; cin >> a >> b; --a, --b; es.emplace_back(a, b); } ll ans = 0; rep(bit, 0, 1 << n) { // 赤で塗る頂点 // 二部グラフ判定 bool bad = false; vector<vector<int>> g(n); vector<int> col(n); for (auto& [a, b] : es) { if ((bit >> a & 1) && (bit >> b & 1)) { bad = true; break; } if ((bit >> a & 1) == 0 && (bit >> b & 1) == 0) { g[a].push_back(b); g[b].push_back(a); } } if (bad) continue; ll tmp = 1; rep(i, 0, n) { if (bit >> i & 1) continue; if (col[i] == 0) { if (!dfs(i, 1, col, g)) { tmp *= 0; break; } else tmp *= 2; } } ans += tmp; } cout << ans; return 0; }
#include<iostream> #include<string> #include<algorithm> #include<cmath> #include<vector> #include<stack> #include<queue> #include<map> #include<set> #include<iomanip> #include<tuple> #include<cstring> #include<bitset> #define REP(i,n) for(int i=0;i<(int)n;i++) #define ALL(x) (x).begin(),(x).end() #define SZ(x) ((int)(x).size()) #define pb push_back #define eb emplace_back #define INF 1000000000 #define INFLL 1000000000000000000LL using namespace std; template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } using ll = long long; using P = pair<int, int>; using PLL = pair<ll, ll>; #define MAX_N 1000+100 int N, M, d[MAX_N][MAX_N], ans; vector<int> G[MAX_N][26]; queue<P> que; bool visit[MAX_N][MAX_N]; int main() { cin >> N >> M; REP(i, M) { int A, B; char C; cin >> A >> B >> C; A--; B--; G[A][C-'a'].pb(B); G[B][C-'a'].pb(A); } ans = INF; REP(i, N)REP(j, N)d[i][j] = INF; que.push({ 0,N - 1 }); d[0][N - 1] = 0; visit[0][N - 1] = true; while (!que.empty()) { int u = que.front().first; int v = que.front().second; que.pop(); REP(i, 26) { for (auto&& e_u : G[u][i]) { for (auto&& e_v : G[v][i]) { if (visit[e_u][e_v])continue; visit[e_u][e_v] = true; que.push({ e_u,e_v }); d[e_u][e_v] = d[u][v] + 2; } } } } REP(i, N) { chmin(ans, d[i][i]); } REP(i, N) { REP(j, 26) { for (auto&& x : G[i][j]) { chmin(ans, d[i][x] + 1); } } } cout << (ans >= INF ? -1 : ans) << endl; return 0; }
#include <bits/stdc++.h> #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); typedef long long ll; typedef long double ld; #define pb push_back #define mp make_pair #define ff first #define ss second #define mod 1000000007 #define pii pair<ll,ll> #define inf 1000000000000000000 #define bpc(x) __builtin_popcountll(x) #define autoit(x,it) for(auto it = x.begin(); it != x.end(); it++) #define autoitr(x,it) for(auto it = x.rbegin(); it != x.rend(); it++) #define rep(n) for(ll i = 0; i < n; i++) #define repi(i,n) for(ll i = 0; i < n; i++) #define hmap gp_hash_table<ll, ll> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update> using namespace std; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); int main() { FAST/**/ ll a,b,c; cin>>a>>b>>c; cout<<(a+b+c-min({a,b,c})); return 0; }
#include <bits/stdc++.h> #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define ll long long #define mod 998244353 using namespace std; int main(){ int a, b, c;cin>>a>>b>>c; if(a==b){cout<<c;return 0;} if(b==c){cout<<a;return 0;} if(c==a){cout<<b;return 0;} cout<<0; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for (int i=0; i < n; i++) using ll = long long; void chmax(ll& x, ll y) { x = max(x,y); } const ll INF = 1e18; ll dp[105][105]; tuple<ll,ll,ll> extgcd(ll a, ll b){ if (b == 0) return {a,1,0}; ll g,x,y; tie(g,x,y) = extgcd(b, a%b); return {g,y,x-a/b*y}; } int main() { int T; cin >> T; rep(t,T){ int N,S,K; cin >> N >> S >> K; ll g,x,y; tie(g,x,y) = extgcd(K,N); if (S%g != 0) { cout << -1 << endl; continue; } N /= g; S /= g; K /= g; ll ans = ((x* -S) % N + N) % N; cout << ans << endl; } return 0; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int INF = 1001001001; const long long LINF = 1001002003004005006; const double PI = acos(-1); int d4r[] = {1, 0, -1, 0}; int d4c[] = {0, 1, 0, -1}; int d8r[] = {1, 1, 0, -1, -1, -1, 0, 1}; int d8c[] = {0, 1, 1, 1, 0, -1, -1, -1}; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; int ans = INF; for(int i = 0;i < n;++i) { int a,p,x; cin >> a >> p >> x; if(x - a > 0) { ans = min(ans,p); } } if(ans == INF) { cout << -1 << '\n'; } else { cout << ans << '\n'; } return 0; }
//debug icin gdb kullanmayi dene #include<bits/stdc++.h> using namespace std; #define mods 1000000007 #define pb push_back #define mp make_pair #define st first #define nd second typedef long long int lint; typedef unsigned long long int ulint; lint fastpow(lint tab,lint us){ if(tab==0) return 0; if(tab==1) return 1; if(us==0) return 1; if(us==1) return tab%mods; tab%=mods; if(us%2==1) return tab*fastpow(tab,us-1)%mods; lint a=fastpow(tab,us/2)%mods; return a*a%mods; } lint t=1; void solve(){ lint i,j,k,n,l=0,r=0,cev=0; string s1,s2; cin>>n>>s1>>s2; while(r<n and s1[r]=='0') r++; //if (r==n){cout<<-1; return;} for(i=0;i<n;i++){ if(r==i){ r++; while(r<n and s1[r]=='0') r++; } if(s1[i]!=s2[i]){ cev+=r-i; if (r==n){cout<<-1; return;} s1[r]='0'; while(r<n and s1[r]=='0') r++; } } cout<<cev; return; } int main(){ //freopen("in.txt","r",stdin); //freopen("out.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); //cin>>t; while(t--) solve(); return 0; }
#include<bits/stdc++.h> using namespace std; int gi() { char ch='!'; int res=0, f=0; while(ch<'0' || ch>'9') { ch=getchar(); if(ch == '-') f=1; } while(ch>='0' && ch<='9') res=res*10+ch-'0', ch=getchar(); return f?-res:res; } const int N=5e5+100; int n; char s[N],t[N]; deque<int> vec; long long ans; int main( ){ scanf("%d",&n); scanf("%s%s",s+1,t+1); for(int i=1;i<=n;++i) if(s[i] == '1') vec.push_back(i); for(int i=1;i<=n;++i) { if(s[i] == '1' && t[i] == '1') vec.pop_front(); if(t[i] == '1' && s[i] == '0') { if(!vec.size()) puts("-1"), exit(0); ans += vec[0]-i; s[vec[0]]='0'; vec.pop_front(); } if(t[i] == '0' && s[i] == '1') { vec.pop_front(); if(!vec.size()) puts("-1"), exit(0); ans += vec[0]-i; s[vec[0]]='0'; vec.pop_front(); } } cout<<ans<<endl; return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; using Pair = pair<int, int>; using List = vector<int>; using Edge = vector<int>; using Graph = vector<Edge>; Pair dfs(const int v, const Graph& to) { int res = 1, t = 1, a = 0, b = 0; List cs; for (int u : to[v]) { auto r = dfs(u, to); t ^= r.second; r.first *= -1; if (r.second) { cs.push_back(r.first); } else if (r.first >= 0) { a += r.first; } else { b += r.first; } } res -= a; sort(cs.rbegin(), cs.rend()); for (int i = 0; i < (int)cs.size(); i++) { if (i & 1) { res += cs[i]; } else { res -= cs[i]; } } if (cs.size() & 1) { res += b; } else { res -= b; } return Pair(res, t); } int main() { int n; cin >> n; vector<vector<int>> to(n); for (int i = 1; i < n; i++) { int parent; cin >> parent; --parent; to[parent].push_back(i); } auto [v, NO_USE__] = dfs(0, to); int ans = (n + v) / 2; cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define chmin(x,y) x = min((x),(y)); #define chmax(x,y) x = max((x),(y)); using namespace std; using ll = long long ; using P = pair<int,int> ; using pll = pair<long long,long long>; const int INF = 1e9; const long long LINF = 1e18; const int MOD = 1000000007; //const int MOD = 998244353; const double PI = 3.14159265358979323846; int main(){ int n; cin >> n; vector<int> p(n); rep(i,n-1) cin >> p[i+1]; rep(i,n) --p[i]; vector<vector<int>> tree(n); rep(i,n-1) tree[p[i+1]].push_back(i+1); vector<P> dp(n); //first second vector<int> sz(n); vector<int> seen(n,-1); auto dfs = [&](auto&& dfs,int i) -> pair<P,int>{ if(seen[i] == 1) return {dp[i],sz[i]}; seen[i] = 1; int f = 1; int s = 0; int sz_i = 1; vector<P> odd; vector<P> even; for(int j:tree[i]){ pair<P,int> now = dfs(dfs,j); sz_i += now.second; if(now.second % 2 == 0){ even.push_back(now.first); }else{ odd.push_back(now.first); } } sort(odd.begin(),odd.end(),[](P l,P r){ return l.second - l.first > r.second - r.first; }); sort(even.begin(),even.end(),[](P l,P r){ return l.second - l.first > r.second - r.first; }); rep(j,even.size()){ if(even[j].second - even[j].first > 0)s += even[j].second,f += even[j].first; } bool fi = true; rep(j,odd.size()){ if(fi) s += odd[j].second, f += odd[j].first, fi = !fi; else f += odd[j].second, s += odd[j].first, fi = !fi; } rep(j,even.size()){ if(even[j].second - even[j].first <= 0){ if(fi) s += even[j].second, f += even[j].first; else f += even[j].second, s += even[j].first; } } dp[i] = {f,s}; sz[i] = sz_i; return {dp[i],sz[i]}; }; cout << dfs(dfs,0).first.first << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define fo(i,k,n) for(long long i=k;i<n;i++) #define endl "\n" #define pb push_back #define vii vector<ll> #define all(x) (x).begin(),(x).end() #define fi first #define se second typedef long long ll; /* ll fun_ceil(ll n,ll k){ if(n%k==0){ return n/k; } else { ll x = (n/k)+1; return x; } } */ //sort(s.begin(),s.end(),[](tt x, tt y){return abs(x)>abs(y);}); void calc(){ double n;cin>>n; vector<pair<double,double>> s(n); fo(i,0,n) cin>>s[i].first>>s[i].second; double ans = 0; fo(i,0,n){ fo(j,i+1,n){ double temp = (s[j].second-s[i].second)/(s[j].first-s[i].first); if(temp>=-1.0 and temp<=1.0) ans++; } } cout<<ans; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); calc(); return 0; }
#include <sstream> #include <queue> #include <stack> #include <set> #include <map> #include <cstdio> #include <cstdlib> #include <cctype> #include <complex> #include <malloc.h> #include <cmath> #include <iostream> #include <string> #include <vector> #include <algorithm> #include <bitset> #include <list> #include <string.h> #include <assert.h> #include <time.h> using namespace std; /* ____ U ___ u ____ U _____ u ____ _ U /"___| \/"_ \/U| _"\ u ___ \| ___"|/| _"\ U|"|u \| | u | | | |\| |_) |/ |_"_| | _|" /| | | |\| |/ | |/__.-,_| |_| | | __/ | | | |___ U| |_| |\|_| \____|\_)-\___/ |_| U/| |\u |_____| |____/ u(_) _// \\ \\ ||>>_.-,_|___|_,-.<< >> |||_ |||_ (__)(__) (__) (__)__)\_)-' '-(_/(__) (__)(__)_) (__)_) */ #define ll long long #define all(v) ((v).begin()), ((v).end()) // #define sort(a,n) sort(a , a+n) ; #define uf(x) cout << (x) << '\n'; #define in(x) cin >> x ; #define deb(x) cerr << #x << "=" << x << endl #define forn(i, n) for(int i = 0; i < int(n); ++i) #define lp(i, e, n) for(ll i = e; i < n; i++) #define rep(i, a, b) for (int _end_ = (b), i = (a); i <= _end_; ++i) #define fre(i, a, b) for (int _end_ = (b), i = (a); i >= _end_; ++i) #define WX(YZ) while(TEST--) #define FAST ios::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define ps(x, y) fixed<<setprecision(y)<<x #define mx 0; #define sx(x) (int)x.size() #define yes cout << "YES" << endl; #define no cout << "NO" << endl; //life is more about the journey, than it is of the destination typedef int int32_t; typedef pair<int, int> ii; typedef vector<int> v; template<typename... T> void rd(T&... args) { ((cin >> args), ...); } template<typename... T> void yk(T&&... args) { ((cout << args << ' '), ...); } template<typename... T> void ew(T&&... args) { ((cout << args << '\n'), ...); } const char nl = '\n'; const int maxn = 2e5 + 17; const int INF = 2000 * 1000 * 1000; ll gcd(long long int a, long long int b) { if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; } //l, u, d, rd, ru, ld, lu/ void notToday(){ int n; cin >> n; vector<int> x(n),y(n); for(int i=0;i<n;++i) cin >> x[i] >> y[i]; int ans = 0; for(int i=0;i<n;++i) { for(int j=i+1;j<n;++j) { if(abs(x[i]-x[j])>=abs(y[i]-y[j])) ++ans; } } cout << ans << "\n"; } /* no thats not me. */ int32_t main(void){ //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); FAST; ll TEST = 1; // cin >> TEST; WX(YZ){ notToday(); } //exetime return mx }
#include <bits/stdc++.h> #define file(x) freopen(#x".in", "r", stdin), freopen(#x".out", "w", stdout) inline int read() { int data = 0, w = 1; char ch = getchar(); while (ch != '-' && !std::isdigit(ch)) ch = std::getchar(); if (ch == '-') w = -1, ch = std::getchar(); while (std::isdigit(ch)) data = data * 10 + (ch ^ 48), ch = std::getchar(); return data * w; } const int N(4e5 + 10); int n, a[N], id[N], b[N], stk[N], top; int main() { #ifndef ONLINE_JUDGE file(cpp); #endif n = read(); for (int i = 1; i <= (n << 1); i++) a[i] = read(); for (int i = 1; i <= (n << 1); i++) id[i] = i; std::sort(id + 1, id + (n << 1 | 1), [] (int x, int y) { return a[x] < a[y]; }); for (int i = 1; i <= n; i++) b[id[i]] = 1; for (int i = 1; i <= (n << 1); i++) if (top && b[i] != stk[top]) putchar(')'), --top; else stk[++top] = b[i], putchar('('); return 0; }
#include <bits/stdc++.h> #define ll long long using namespace std; const int MAXN=400005; const ll mod=998244353; ll n,tag[MAXN]; pair<ll,ll> p[MAXN]; int main(){ scanf("%lld",&n); for(ll i=1;i<=2*n;i++){ scanf("%lld",&p[i].first); p[i].second=i; } sort(p+1,p+2*n+1); for(ll i=n+1;i<=2*n;i++){ tag[p[i].second]=1; } ll cntl=0,cntr=0; for(ll i=1;i<=2*n;i++){ if(tag[i]==0){ if(cntl==0&&cntr==0){ cntl++; printf("("); } else if(cntl>0&&cntr==0){ cntl++; printf("("); } else if(cntl==0&&cntr>0){ cntr--; printf(")"); } } else if(tag[i]==1){ if(cntl==0&&cntr==0){ cntr++; printf("("); } else if(cntl>0&&cntr==0){ cntl--; printf(")"); } else if(cntl==0&&cntr>0){ cntr++; printf("("); } } } return 0; }
#include<bits/stdc++.h> typedef long long ll; typedef long double ld; using namespace std; mt19937_64 mrand(chrono::steady_clock::now().time_since_epoch().count()); //mt19937_64 mrand(42); #define ii for(int i=1;i<=n;++i) #define ji for(int j=1;j<=n;++j) #define jj for(int j=1;j<=m;++j) #define ij for(int i=1;i<=m;++i) #define sz(x) ((ll)x.size()) #define all(x) x.begin(),x.end() #define al(x) x+1,x+1+n #define asd cout<<"ok"<<endl; #define asdd cout<<"okok"<<endl; #define vi vector<int> #define vvi vector<vector<int>> #define vl vector<ll> #define vii vector<pair<int,int>> #define pr(v) for(auto i:v) cout<<i<<" ";cout<<endl; #define prt(a, l, r) for(auto i=l;i<=r;++i) cout<<a[i]<<" ";cout<<endl; #define pc(x) __builtin_popcount(x) #define pb push_back #define PS string qqwwee;cin>>qqwwee; typedef pair<int, int> pii; int p[4]; set<string> s[105]; void dfs(string t) { if(t.size() > 10) return; s[t.size()].insert(t); for(int i=1;i<t.size();++i) { int a = t[i-1] - '0', b = t[i] - '0'; char c = p[a<<1|b] + '0'; string nxt = t.substr(0, i) + c + t.substr(i); dfs(nxt); } } const int mod = 1e9+7; ll fpow(ll a,ll b){ll r=1;for(a%=mod;b;b>>=1){if(b&1)r=r*a%mod;a=a*a%mod;}return r;} ll fib(ll n) { function<ll(ll,ll,ll,ll,ll)> f = [&](ll a,ll b,ll p,ll q,ll n) -> ll { if(!n) return b; if(n&1) return f((b*q+a*q+a*p)%mod,(b*p+a*q)%mod,p,q,n-1); return f(a,b,(p*p+q*q)%mod,(q*q+2*q*p)%mod,n/2); }; return f(1,0,0,1,n); } int main() { int n; cin >> n; if(n <= 3) return cout << 1 << endl, 0; for(int i=0;i<4;++i) { char c; cin>>c; p[i]=c-'A'; } dfs("01"); if(s[5].size() == 1) cout << 1 << endl; else if(s[5].size() == 4) cout << fpow(2, n-3) << endl; else cout << fib(n-1) << endl; }
#pragma region templates //#pragma GCC optimize("Ofast") //#pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using db = double; using ld = long double; template<typename T> using V = vector<T>; template<typename T> using VV = vector<vector<T>>; template<typename T> using PQ = priority_queue<T>; #define fs first #define sc second #define pb push_back #define mp make_pair #define mt make_tuple #define eb emplace_back #define lb(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define ub(c, x) distance((c).begin(), upper_bound(all(c), (x))) #define all(v) (v).begin(),(v).end() #define siz(v) (ll)(v).size() #define rep(i,a,n) for(ll i=a;i<(ll)(n);++i) #define repr(i,a,n) for(ll i=n-1;(ll)a<=i;--i) #define ENDL '\n' typedef pair<int,int> Pi; typedef pair<ll,ll> PL; constexpr ll mod = 1000000007; // 998244353; constexpr ll INF = 1000000099; constexpr ll LINF = (ll)(1e18 +99); const ld PI = acos((ld)-1); constexpr ll dx[4]={-1,0,1,0},dy[4]={0,1,0,-1}; template<typename T,typename U> inline bool chmin(T& t, const U& u){if(t>u){t=u;return 1;}return 0;} template<typename T,typename U> inline bool chmax(T& t, const U& u){if(t<u){t=u;return 1;}return 0;} template<typename T> inline T gcd(T a,T b){return b?gcd(b,a%b):a;} inline void Yes() { cout << "Yes" << ENDL; } inline void No() { cout << "No" << ENDL; } inline void YES() { cout << "YES" << ENDL; } inline void NO() { cout << "NO" << ENDL; } template<typename T,typename Y> inline T mpow(T a, Y n) { T res = 1; for(;n;n>>=1) { if (n & 1) res = res * a; a = a * a; } return res; } template <typename T> vector<T> finddivisor(T x) { //整数xの約数(xを含む) vector<T> divisor; for(T i = 1; (i * i) <= x; i++) { if(x % i == 0) { divisor.push_back(i); if(i * i != x) { divisor.push_back(x / i);} } } sort(divisor.begin(), divisor.end()); return divisor; } template <typename T> V<T> prefix_sum(const V<T>& v) { int n = v.size(); V<T> ret(n + 1); rep(i, 0, n) ret[i + 1] = ret[i] + v[i]; return ret; } template<typename T> T rand(T l,T r){ static random_device rd; static mt19937 g(rd()); return uniform_int_distribution<T>(l,r)(g); } template<typename T> istream& operator >> (istream& is, vector<T>& vec){ for(auto&& x: vec) is >> x; return is; } template<typename T,typename Y> ostream& operator<<(ostream& os,const pair<T,Y>& p){ return os<<"{"<<p.fs<<","<<p.sc<<"}"; } template<typename T> ostream& operator<<(ostream& os,const V<T>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } template<typename ...Args> void debug(Args&... args){ for(auto const& x:{args...}){ cerr<<x<<' '; } cerr<<ENDL; } #pragma endregion templates signed main(){ cin.tie(0);cerr.tie(0);ios::sync_with_stdio(false); cout<<fixed<<setprecision(20); ll k,n,m;cin>>k>>n>>m; ll rem=m; V<ll> a(k);cin>>a; PQ<tuple<ll,ll,ll>> p1,p2; V<ll> b(k,0); rep(i,0,k){ ll num=a[i]*m/n; p1.emplace(1,num,i); p2.emplace(-n*(1+2*num)+2*a[i]*m,1,i); } while(rem>0){ if(p1.size()){ ll key,x,id; tie(key,x,id)=p1.top(); p1.pop(); b[id]+=min(rem,x); if(rem<x){ rem=0; }else{ rem-=x; } }else if(p2.size()){ ll key,x,id; tie(key,x,id)=p2.top(); p2.pop(); b[id]+=min(rem,x); if(rem<x){ rem=0; }else{ rem-=x; } }else{ b[0]+=rem; rem=0; } } for(auto&& i:b)cout<<i<<" "; cout<<ENDL; } //(・_・)(・_・)(・_・)(・_・) //CHECK overflow,what to output? //any other simpler approach?
#include<bits/stdc++.h> #define ll long long int #define pii pair<int,int> #define F first #define S second #define mod 1000000007 using namespace std; void solve(){ ll ans=1e9; int n; cin>>n; pii arr[n]; for(int i=0;i<n;i++){ int a,b; cin>>a>>b; arr[i]={a,b}; } for(int i=0;i<n;i++){ ans=min(ans,(ll)arr[i].F+arr[i].S); for(int j=i+1;j<n;j++){ ans=min(ans,(ll)max(arr[i].F,arr[j].S)); ans=min(ans,(ll)max(arr[i].S,arr[j].F)); } } cout << ans <<endl; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int t=1; ///cin>>t; for(int it=1;it<=t;it++){ solve(); } }
#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef unsigned long long int ull; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll,ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pii> vpii; typedef vector<pll> vpll; #define test(t) int t; cin >> t; while(t--) #define f(i, a, b) for(int (i) = (a); (i) < (b); ++(i)) #define all(a) (a).begin(), (a).end() #define endl "\n" #define ff first #define ss second #define pb push_back #define deb(x) cout << #x << ": " << x << endl; #define deb2(x,y) cout << #x << ": " << x << " ~ " << #y << ": " << y << endl; #define deba(arr) cout << #arr << " ~ [ "; for(auto n: arr) cout << n << " "; cout << "]" << endl; #define debap(arr) cout << #arr << " ~ [ "; for(auto n: arr) cout << n.first << "-" << n.second << " "; cout << "]" << endl; #define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define mx9 1000000007 #define mx7 10000007 #define mx6 1000006 #define mx5 200005 #define inf 1<<30 #define eps 1e-9 #define mod 1000000007 #define PI 3.141592653589793238462643383279502884L void solve() { string s; cin >> s; ll n; cin >> n; map<ll, ll> mp; f(i, 0, n) { string p, t; p = t = s; sort(all(t)); sort(all(p)); reverse(all(p)); ll temp = stoi(p) - stoi(t); s = to_string(temp); } cout << s << endl; } int main() { fast; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // test(t) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; // #define ordered_set tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> #define int long long int #define endl "\n" #define MOD 1000000007 #define mod 1000000007 #define M 1000000007 #define pb push_back #define take(a,b,c) for(int b=0;b<c;b++) cin>>a[b] #define boost ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define mx 1000005 #define fiint(a,b) memset(a,b,sizeof(a)) #define bitcount __builtin_popcount #define fori(i,a,b) for(int i=a;i<b;i++) #define ford(i,a,b) for(int i=a;i>=b;i--) #define debug(x) cout<<x<<endl; #define cases(t) int t; cin>>t; while(t--) #define inf1 INT_MAX #define all(a) a.begin(),a.end() #define vec vector<int> #define pii pair<int,int> #define plii pair<int,int> #define pint pair<int,int> #define ff first #define ss second #define lb lower_bound #define ub upper_bound #define bs binary_search #define mp make_pair #define sz(x) (int)x.size() #define PI 3.14159265359 //const long long INF=1e18; bool chmin(int& a, int b){ if(a > b){ a = b; return 1; } return 0; } int factorial[10000001]={0}; int gcd(int a, int b){ if (b == 0) return a; return gcd(b, a % b); } int powerFunction(int x,int y){ int res = 1; int p = mod; x = x; while (y > 0){ if (y & 1) res = (res*x)%p ; y = y>>1; x = (x*x)%p ; } return res; } void factorialFunction(int maxLimit){ factorial[0]=1; for(int i=1 ; i <= maxLimit ; i++) factorial[i]=(factorial[i-1]*i)%MOD; return; } int nCr(int n, int r) { if(r < 0 || r > n){ return 0; } int temp = factorial[n]; temp *= (powerFunction(factorial[r], MOD-2)%MOD); temp %= MOD; temp *= (powerFunction(factorial[n-r], MOD-2)%MOD); temp %= MOD; return temp; } vec p(300005); vec si(300005); //vec di vector<map<int,int>> cnt(300005); int find_p(int a) { while(p[a] != a) { //int le = si[p[a]]; p[a] = p[p[a]]; //si[p[a]] += le; a = p[a]; } return a; } void merge(int a , int b) { a = find_p(a); b = find_p(b); if(a == b) return; if(si[a] >= si[b]) { si[a] += si[b]; p[b] = a; for(auto it : cnt[b]) cnt[a][it.ff] += it.ss; } else { si[b] += si[a]; p[a] = b; for(auto it : cnt[a]) cnt[b][it.ff] += it.ss; } } signed main() { int n,q;cin>>n>>q; for(int i = 0 ; i < n ;i++) { int a ; cin>>a; a--; cnt[i][a] = 1; p[i] = i; si[i] = 1; } while(q--) { int t , x , y ; cin >>t >> x >> y; x-- ; y--; if(t == 1 ) { merge(x , y); } else { cout<<cnt[find_p(x)][y]<<endl; } } }
#include <iostream> #include <vector> #include <map> using namespace std; struct uf_tree { std::vector<int> parent; std::vector<std::map<int, int>> dict; int __size; uf_tree(int size_) : parent(size_, -1), dict(size_), __size(size_) {} void unite(int x, int y) { if ((x = find(x)) != (y = find(y))) { if (parent[y] < parent[x]) std::swap(x, y); parent[x] += parent[y]; parent[y] = x; for (auto [key, val] : dict[y]) { dict[x][key] += val; } __size--; } } bool is_same(int x, int y) { return find(x) == find(y); } int find(int x) { return parent[x] < 0 ? x : parent[x] = find(parent[x]); } int size(int x) { return -parent[find(x)]; } int size() { return __size; } int query(int x, int y) { return dict[find(x)][y]; } }; int main() { int n, q; cin >> n >> q; vector<int> cs(n); uf_tree uf(n); for (int i = 0; i < n; i++) { cin >> cs[i]; uf.dict[i][cs[i]]++; } for (int i = 0; i < q; i++) { int a, b, c; cin >> a >> b >> c; if (a == 1) { uf.unite(b -1, c - 1); } else { cout << uf.query(b - 1, c) << endl; } } return 0; }
/*Rabbi Zidni Ilma*/ #include<bits/stdc++.h> using namespace std; #define fastio ios_base:: sync_with_stdio(false); cin.tie(0); cout.tie(0); #define ll long long #define scl(n) scanf("%lld",&n) #define scll(n,m) scanf("%lld %lld",&n,&m) #define pb push_back #define mp make_pair #define frs first #define scn second #define mod 1000000007 #define read freopen("input.txt","r",stdin) #define write freopen("output.txt","w",stdout) #define N 10000000 ll pow(ll x,ll y) { ll i,pro=1; for(i=0;i<y;i++) pro*=x; return pro; } int main() { //fastio; ll tc,t,n,m,i,j,k,mx,mn,c,x,y; scl(n); c=0; ll f=0; set<ll>st; for(i=2;i<=100000;i++) { for(j=2;j<=34;j++) { x=pow(i,j); if(x<=n) st.insert(x); else { f=1; break; } } } ll sz=st.size(); printf("%lld\n",n-sz); }
#pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<stdio.h> #include<iostream> #include<vector> #include<algorithm> #include<string> #include<string.h> #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define NDEBUG #define eprintf(...) do {} while (0) #endif #include<cassert> using namespace std; typedef long long LL; typedef vector<int> VI; #define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i) template<class T> inline void amin(T &x, const T &y) { if (y<x) x=y; } template<class T> inline void amax(T &x, const T &y) { if (x<y) x=y; } #define rprintf(fmt, begin, end) do { const auto end_rp = (end); auto it_rp = (begin); for (bool sp_rp=0; it_rp!=end_rp; ++it_rp) { if (sp_rp) putchar(' '); else sp_rp = true; printf(fmt, *it_rp); } putchar('\n'); } while(0) int N, M; int A[1011], B[1011]; int dp[1011][1011]; void MAIN() { scanf("%d%d", &N, &M); REP (i, N) scanf("%d", A+i); REP (i, M) scanf("%d", B+i); memset(dp, 0x3f, sizeof dp); dp[0][0] = M + N; REP (i, N+1) REP (j, M+1) { if (i < N && j < M) { if (A[i] != B[j]) { amin(dp[i+1][j+1], dp[i][j] - 1); } else { amin(dp[i+1][j+1], dp[i][j] - 2); } } amin(dp[i][j+1], dp[i][j]); amin(dp[i+1][j], dp[i][j]); } int ans = dp[N][M]; printf("%d\n", ans); } int main() { int TC = 1; // scanf("%d", &TC); REP (tc, TC) MAIN(); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (n); ++i) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() using ll = long long; using Graph = vector<vector<int>>; const long long INF = 1LL << 60; const int SINF = 1LL << 29; const ll mod = 1000000000+7; const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } int main() { const int MOD = 998244353; int n; cin >> n; vector<ll> a(n); rep(i, n) cin >> a[i]; ll res = 0; rep(i, n) res += (a[i] * a[i]) % MOD; sort(all(a)); ll sum = 0; for(int i=n-2; i>=0; i--) { sum = (2 * sum + a[i+1]) % MOD; res += (a[i] * sum) % MOD; } cout << res % MOD << endl; }
#include <iostream> #include <algorithm> #include <cmath> #include <limits> #include <iomanip> #include <vector> #include <cstring> #include <queue> #include <deque> #include <map> #include <set> #include <numeric> #include <unordered_map> #include <unordered_set> #include <stack> typedef long long ll; typedef long double ld; #define rep(i,n) for(ll i=0;i<n;i++) using namespace std; typedef vector<vector<int>> Graph; template<typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template<typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } //main area int main(){ ll N; cin >> N; vector<ll> A(N); rep(i,N) cin >> A[i]; sort(A.begin(),A.end()); ld ans = 0; rep(i,N) ans += A[i]; ll median = A[N/2]; rep(i,N) ans += abs(A[i] - median); cout << fixed << setprecision(10) << ans/(2.0*N) << endl; } /* */
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<string, string> pss; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<pii> vii; typedef vector<ll> vl; typedef vector<vl> vvl; double EPS=1e-9; int INF=1000000005; long long INFF=1000000000000000005ll; double PI=acos(-1); int dirx[8]={ -1, 0, 0, 1, -1, -1, 1, 1 }; int diry[8]={ 0, 1, -1, 0, -1, 1, -1, 1 }; const ll MOD = 1000000007; ll sum() { return 0; } template<typename T, typename... Args> T sum(T a, Args... args) { return a + sum(args...); } #define DEBUG fprintf(stderr, "====TESTING====\n") #define VALUE(x) cerr << "The value of " << #x << " is " << x << endl #define OUT(x) cout << x << endl #define OUTH(x) cout << x << " " #define debug(...) fprintf(stderr, __VA_ARGS__) #define READ(x) for(auto &(z):x) cin >> z; #define FOR(a, b, c) for (int(a)=(b); (a) < (c); ++(a)) #define FORN(a, b, c) for (int(a)=(b); (a) <= (c); ++(a)) #define FORD(a, b, c) for (int(a)=(b); (a) >= (c); --(a)) #define FORSQ(a, b, c) for (int(a)=(b); (a) * (a) <= (c); ++(a)) #define FORC(a, b, c) for (char(a)=(b); (a) <= (c); ++(a)) #define EACH(a, b) for (auto&(a) : (b)) #define REP(i, n) FOR(i, 0, n) #define REPN(i, n) FORN(i, 1, n) #define MAX(a, b) a=max(a, b) #define MIN(a, b) a=min(a, b) #define SQR(x) ((ll)(x) * (x)) #define RESET(a, b) memset(a, b, sizeof(a)) #define fi first #define se second #define mp make_pair #define pb push_back #define ALL(v) v.begin(), v.end() #define ALLA(arr, sz) arr, arr + sz #define SIZE(v) (int)v.size() #define SORT(v) sort(ALL(v)) #define REVERSE(v) reverse(ALL(v)) #define SORTA(arr, sz) sort(ALLA(arr, sz)) #define REVERSEA(arr, sz) reverse(ALLA(arr, sz)) #define PERMUTE next_permutation #define TC(t) while (t--) #define FAST_INP ios_base::sync_with_stdio(false);cin.tie(NULL) #define what_is(x) cerr << #x << " is " << x << endl; template <typename T = ll> bool extgcd(T a, T b, T &x, T &y, T d) { if(!b and d % a) return false; if(!b) { x = d / a, y = 0; return true; } if(extgcd(b, a % b, y, x, d)) { y -= a / b * x; return true; } return false; } void solve() { ll n, s, k; cin >> n >> s >> k; ll x, y; if(s % __gcd(n, k)) { OUT(-1); return; } if(extgcd(k, n, x, y, -s)) { x %= n / __gcd(n, k); if(x < 0) x += n / __gcd(k, n); OUT(x); } else { OUT(-1); } } int main() { FAST_INP; // #ifndef ONLINE_JUDGE // freopen("input.txt","r", stdin); // freopen("output.txt","w", stdout); // #endif int tc; cin >> tc; TC(tc) solve(); // solve(); return 0; }
#include <bits/stdc++.h> using namespace std; long long int modinv(long long int a, long long int m) { long long int b = m, u = 1, v = 0; while (b) { long long int t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } int main() { int T; cin >> T; for (int i = 0; i < T; i++) { long long int N, S, K; cin >> N >> S >> K; long long int G = __gcd(K, N); if ((N - S) % G != 0) cout << -1 << endl; else { long long int A, B, n; A = K / G; B = (N - S) / G; n = N / G; long long int C = modinv(A, n); long long int ans = C * B % n; if (ans < 0) ans += n; cout << ans << endl; } } }
#include <bits/stdc++.h> using namespace std; #define m_p make_pair #define all(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) #define fi first #define se second typedef long long ll; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); mt19937 rnf(2106); const int N = 1003; ll t, n; bool c[N]; void solv() { cin >> t >> n; for (int A = 1; A <= 200; ++A) { ll x = (100 + t) * A / 100; c[x] = true; } vector<int> v; for (int i = 1; i < 100 + t; ++i) { if (!c[i]) v.push_back(i); } cout << ((n - 1) / sz(v)) * (100LL + t) + v[(n - 1) % sz(v)] << "\n"; } int main() { #ifdef SOMETHING freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); #endif // SOMETHING //ios_base::sync_with_stdio(false), cin.tie(0); int tt = 1; //cin >> tt; while (tt--) { solv(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define pb push_back #define mkp make_pair #define mt make_tuple #define ff first #define ss second #define M1 1000000007 #define M2 998244353 #define fl(i,a,b) for(ll i=a;i<b;i++) #define bfl(i,a,b) for(ll i=b-1;i>=a;i--) #define f(i,n) for(int i=0;i<n;i++) #define bf(i,n) for(int i=n-1;i>=0;i--) #define f1(i,n) for(int i=1;i<=n;i++) #define bf1(i,n) for(int i=n;i>=1;i--) #define all(v) v.begin(),v.end() #define pll pair<long,long> #define pii pair<int,int> #define vi vector<int> #define vll vector<ll> #define p0(a) cout << a << " " #define p1(a) cout << a << bn #define p2(a, b) cout << a << " " << b << bn #define p3(a, b, c) cout << a << " " << b << " " << c << bn #define p4(a,b,c,d) cout << a << " " << b << " " << c << " " << d << bn #define debug(x) cerr << #x << " = " << x << endl; #define max3(a,b,c) max(max(a,b),c) #define min3(a,b,c) min(min(a,b),c) #define bn "\n" #define pbn cout<<"\n" #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char* name, Arg1&& arg1){ cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args){ const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1<<" | "; __f(comma+1, args...); } #else #define trace(...) 1 #endif ll modI(ll a,ll m); ll gcd(ll a,ll b); ll powM(ll x,ll y,ll m); void py(int ok) { if(ok==1){ cout<<"YES"<<bn; }else{ cout<<"NO"<<bn; } } void swap(ll& a,ll& b) { ll tp=a; a=b; b=tp; } ll gcd(ll x,ll y) { if(x==0) return y; return gcd(y%x,x); } ll lcm(ll x, ll y) { if(x==0 || y==0){ cout<<"Not valid lcm"<<bn; } ll LCM= x/gcd(x,y); LCM=LCM*y; return LCM; } ll powM(ll x,ll y,ll m) { ll ans=1,r=1; x%=m; while(r>0&&r<=y) { if(r&y) { ans*=x; ans%=m; } r<<=1; x*=x; x%=m; } return ans; } ll modI(ll a, ll m) { ll m0=m,y=0,x=1; if(m==1) return 0; while(a>1) { ll q=a/m; ll t=m; m=a%m; a=t; t=y; y=x-q*y; x=t; } if(x<0) x+=m0; return x; } //----------------------------------------------------------------------------- int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(0); int tt=1; // cin>>tt; f1(testcase_no,tt) { // cout<<"test case no. "<<testcase_no<<bn; ll t,n; cin>>t>>n; ll below=100/t; ll rem=100%t; // if(rem==0) ll ans=(below+1)*n; if((rem*n)%t==0) ans+=((rem*n)/t-1); else ans+=((rem*n)/t); p1(ans); // cout << fixed << setprecision(25); } return 0; }
#include <iostream> #include <vector> #include <map> // map<string, int> mp; #include <cmath> #include <algorithm> #include <iomanip> #include <queue> using namespace std; using Graph = vector<vector<int>>; #define rep(i, n) for (int i = 0; i < (int)(n); i++) typedef long long ll; int main() { int N, M; cin >> N >> M; Graph paths(N); ll ans = 0; rep (i, M) { ll A, B; cin >> A >> B; paths[A - 1].push_back(B - 1); } rep (i, N) { int cnt = 0; vector<bool> visited(N, false); visited[i] = true; queue<int> que; que.push(i); while(!que.empty()) { int q = que.front(); que.pop(); for (const auto& next : paths[q]) { if (visited[next]) continue; visited[next] = true; que.push(next); ++cnt; } } ans += cnt; } cout << ans + N << endl; }
#include <bits/stdc++.h> using namespace std; // clang-format off /* accelration */ // 高速バイナリ生成 #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") // cin cout の結びつけ解除, stdioと同期しない(入出力非同期化) // cとstdの入出力を混在させるとバグるので注意 struct Fast {Fast() {std::cin.tie(0); ios::sync_with_stdio(false);}} fast; /* alias */ using ull = unsigned long long; using ll = long long; using vi = vector<int>; using vl = vector<long>; using vll = vector<long long>; using vvi = vector<vi>; using vvl = vector<vl>; using vvll = vector<vll>; using vs = vector<string>; using pii = pair<int, int>; /* define short */ #define pb push_back #define mp make_pair #define all(obj) (obj).begin(), (obj).end() #define YESNO(bool) if(bool){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;} #define yesno(bool) if(bool){cout<<"yes"<<endl;}else{cout<<"no"<<endl;} #define YesNo(bool) if(bool){cout<<"Yes"<<endl;}else{cout<<"No"<<endl;} /* REP macro */ #define reps(i, a, n) for (ll i = (a); i < (ll)(n); ++i) #define rep(i, n) reps(i, 0, n) #define rrep(i, n) reps(i, 1, n + 1) #define repd(i,n) for(ll i=n-1;i>=0;i--) #define rrepd(i,n) for(ll i=n;i>=1;i--) /* debug */ // 標準エラー出力を含む提出はrejectされる場合もあるので注意 #define debug(x) cerr << "\033[33m(line:" << __LINE__ << ") " << #x << ": " << x << "\033[m" << endl; /* func */ inline int in_int() {int x; cin >> x; return x;} inline ll in_ll() {ll x; cin >> x; return x;} inline string in_str() {string x; cin >> x; return x;} // search_length: 走査するベクトル長の上限(先頭から何要素目までを検索対象とするか、1始まりで) template <typename T> inline bool vector_finder(std::vector<T> vec, T element, unsigned int search_length) { auto itr = std::find(vec.begin(), vec.end(), element); size_t index = std::distance( vec.begin(), itr ); if (index == vec.size() || index >= search_length) {return false;} else {return true;} } template <typename T> inline void print(const vector<T>& v, string s = " ") {rep(i, v.size()) cout << v[i] << (i != (ll)v.size() - 1 ? s : "\n");} template <typename T, typename S> inline void print(const pair<T, S>& p) {cout << p.first << " " << p.second << endl;} template <typename T> inline void print(const T& x) {cout << x << "\n";} template <typename T, typename S> inline void print(const vector<pair<T, S>>& v) {for (auto&& p : v) print(p);} // 第一引数と第二引数を比較し、第一引数(a)をより大きい/小さい値に上書き template <typename T> inline bool chmin(T& a, const T& b) {bool compare = a > b; if (a > b) a = b; return compare;} template <typename T> inline bool chmax(T& a, const T& b) {bool compare = a < b; if (a < b) a = b; return compare;} using Graph = vector<vector<int>>; vector<bool> seen; void dfs(const Graph &G, int v) { seen[v] = true; // v を訪問済にする // v から行ける各頂点 next_v について for (auto next_v : G[v]) { if (seen[next_v]) continue; // next_v が探索済だったらスルー dfs(G, next_v); // 再帰的に探索 } } int main(){ int n, m; cin >> n >> m; Graph G(n); for (int i = 0; i < m; ++i) { int a, b; cin >> a >> b; a--; b--; G[a].push_back(b); } int count = 0; for(int i = 0; i < n; i++){ seen.assign(n, false); // 全頂点を「未訪問」に初期化 dfs(G, i); for(int j = 0; j < n; j++){ // t に辿り着けるかどうか if (seen[j]) count++; } } cout << count << endl; }
#include <bits/stdc++.h> using namespace std; #define int int long long #define fr(i, n) for (int i = 0; i < n; i++) #define fr1(i, n) for (int i = 1; i <= n; i++) #define S second #define F first #define pb(n) push_back(n) #define endl "\n" int mod = 1e9 + 7; vector<int> v[1000001], tr[100001]; int level[1000001] = {0}; int in[1000001] = {0}; int out[1000001] = {0}; int low[1000001] = {0}; int vis[1000001] = {0}; int visit[1001][1001] = {0}; int dis[1001][1001] = {0}; int dx[] = {-1, 0, 1, 0, -1, 1, 1, -1}; int dy[] = {0, 1, 0, -1, 1, 1, -1, -1}; int timer, n, m, t, k, q, eq = 0; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); t = 1; // while (t--) { cin >> n; double te = 0.01; pair<double, double> a[n]; fr(i, n) { double x, l, r; cin >> x >> l >> r; if (x == 2) { r -= te; } if (x == 3) { l += te; } if (x == 4) { l += te, r -= te; } a[i] = {l, r}; } int ans = 0; for (int i = 0; i < n; i++) { for (int j = i - 1; j >= 0; j--) { if (a[i].F > a[j].S || a[i].S < a[j].F) { continue; } else { ans++; } } } cout << ans << endl; } }
#include <bits/stdc++.h> using namespace std; using namespace std::chrono; #define lli long long int #define pi pair<lli,lli> #define fi first #define se second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define FOR(i,a,b) for(lli i=a;i<b;i++) #define all(x) x.begin(), x.end() const lli inf=10000000000000000; lli mod = 1e9+7; //const long double pi = 3.14159265358979323846264338; lli powmod(lli x, lli y, lli p){lli res=1;x=x%p;if(x==0)return 0;while(y>0){if(y&1)res=(res*x)%p;y = y>>1;x=(x*x)%p;}return res;} lli _pow(lli a, lli b){if(!b)return 1;lli temp = _pow(a, b / 2);temp = (temp * temp);if(b % 2)return (a * temp);return temp;} bool isPrime(lli n){if(n<=1)return false;if(n<=3)return true;if(n%2==0||n%3==0)return false;for(lli i=5;i*i<=n;i=i+6)if(n%i==0||n%(i+2)==0)return false;return true;} lli lcm(lli a, lli b){ return a * b / __gcd(a, b);} lli cl(lli a,lli x){if(a%x==0)return a/x;else return a/x+1;} int main() { ios::sync_with_stdio(0); cin.tie(0); int t=1; //cin >> t; while(t--) { lli n,b,c; cin >> n; vector <lli> v(n); vector <pi> a(n); for(lli i=0;i<n;i++){ cin >> v[i] >> b >> c; a[i] = (mp(b, c)); } lli cn=0; for(lli i=0;i<n;i++){ for(lli j=i+1;j<n;j++){ lli q = a[i].fi,w = a[i].se,e = a[j].fi,r = a[j].se; if(max(q,e)<min(w,r)){ cn++; } else if(max(q,e)==min(w,r)){ if(q>e&&(v[i]==1||v[i]==2)&&(v[j]==1||v[j]==3))cn++; if(q<e&&(v[i]==1||v[i]==3)&&(v[j]==1||v[j]==2))cn++; } } } cout<<cn<<endl; } }
#include <bits/stdc++.h> // #include <atcoder/all> // NOTE: AtCoderライブラリ #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define dbg(x) cerr << #x << ": " << x << endl; #define dbg2(x, y) cerr << #x << ": " << x << ", " << #y << ": " << y << endl; #define dbg3(x, y, z) cerr << #x << ": " << x << ", " << #y << ": " << y << ", " << #z << ": " << z << endl; #define nl() cout << "========================================" << endl; using namespace std; // using namespace atcoder; // NOTE: AtCoderライブラリ typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<long long> vl; typedef vector<vector<long long>> vvl; typedef vector<bool> vb; typedef vector<char> vc; typedef vector<string> vs; typedef pair<int, int> pii; const long long LINF = 1001002003004005006ll; const int INF = 1001001001; template<typename T> void chmin(T &a, T b) { if (a > b) a = b; } template<typename T> void chmax(T &a, T b) { if (a < b) a = b; } #define yn { puts("Yes"); } else{ puts("No"); } // 使い方: if (条件) yn; int main() { int N; cin >> N; vector<int> A(N); rep(i, N) cin >> A[i]; int res, maxcnt = 0; for (int i = 2; i <= 1000; i++) { int cnt = 0; for (int j = 0; j < N; j++) { if (A[j] % i == 0) { cnt++; } } if (cnt > maxcnt) { maxcnt = cnt; res = i; } } cout << res << endl; }
#include <iostream> #include <string> #include <math.h> #include <vector> #include <algorithm> #include <iomanip> #include <set> #include <queue> #include <deque> #include <map> #include <stack> #include <cmath> using namespace std; #define mod 1000000007 #define mod2 998244353 #define ten5 100005 #define ten52 200005 #define ten53 300005 #define ten6 1000005 #define PI 3.1415926 #define pb(x) push_back(x) #define all(x) x.begin(),x.end() #define mkpr(x1,x2) make_pair(x1,x2) typedef long long int ll; //stack<char> stk; //set<ll> sll; //set<pair<ll,ll>> spll; map<pair<ll,ll>,ll> mp; //deque<ll> deq; ll num[168]={2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997}; ll save[ten5]; //priority_queue<pair<ll,ll>> pq; //decreasing int main(void) { ll m,n,i,j=1,x=0,y=0,k,k1,ans=0; cin>>n; for(i=0;i<n;i++) cin>>save[i]; for(i=0;i<168;i++) { k=0; for(j=0;j<n;j++) if(save[j]%num[i]==0) k++; if(k>ans) { ans=k; y=num[i]; } if(ans==n) break; } cout<<y; return 0; }
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define ret(x) return cout<<x,0; #define rety return cout<<"YES",0; #define retn return cout<<"NO",0; typedef long long ll; typedef double db; typedef long double ld; #define stt string #define ve vector<ll> #define se set<ll> #define ar array ll mod=1e9+7; ll mm=998244353; using namespace std; ll fac[10000000]; ll gcd(ll x, ll y) { if(y==0) return x; return gcd(y,x%y); } ll fexp(ll a,ll b,ll m){ll ans = 1;while(b){if(b&1)ans=ans*a%m; b/=2;a=a*a%m;}return ans;} ll inverse(ll a, ll p){return fexp(a, p-2,p);} ll ncr(ll n, ll r,ll p) { if (r==0) return 1; return (fac[n]*inverse(fac[n-r],p)%p*inverse(fac[r],p)%p)%p; } // ____Z-Algorithm_____ vector<ll> za(string s) { ll n = s.size(); vector<ll> z(n); ll x = 0, y = 0,p=0; for(ll i= 1; i < n; i++) { z[i] = max(p,min(z[i-x],y-i+1)); while(i+z[i] < n && s[z[i]] == s[i+z[i]]) { x = i; y = i+z[i]; z[i]++; } } return z; } int subset(ll a[],ll k) { for (int i = 1; i < pow(2, k); i++) { for (int j = 0; j < k; j++) { if (i & 1 << j) { cout<<a[j]<<" "; } } cout<<endl; } return 1; } vector<ll> pr(string s) { ll n = s.length(); vector<ll> pi(n); for (int i = 1; i < n; i++) { int j = pi[i-1]; while (j > 0 && s[i] != s[j]) j = pi[j-1]; if (s[i] == s[j]) j++; pi[i] = j; } return pi; } //---------------------------------------------------------------------/ int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll a,b,c; cin>>a>>b>>c; if(2*a==b+c || 2*c==b+a || 2*b==a+c) cout<<"Yes"; else cout<<"No"; }
#include <bits/stdc++.h> using namespace std; using ll = long long; void solve(long long R, long long X, long long Y){ ll dist = (X * X + Y * Y) / (R * R);; if(R * R > X * X + Y * Y){ cout<<2<<endl; return; } if((X * X + Y * Y) % (R * R)){ dist++; } ll ok = 0; ll ng = 1e9; while(ng - ok > 1){ ll mid = (ok + ng) / 2; if(mid * mid <= dist){ ok = mid; }else{ ng = mid; } } if(ok * ok != dist){ ok++; } //cout<<dist<<endl; cout<<ok<<endl; } int main(){ long long R; scanf("%lld",&R); long long X; scanf("%lld",&X); long long Y; scanf("%lld",&Y); solve(R, X, Y); return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) for (int i = (int)(n-1); i >= 0; i--) #define sz(x) int(x.size()) #define bitsz(x) int(__builtin_popcount(x)) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define pb(x) push_back(x) #define INF 1e9 #define LINF 1e18 template<class T> inline bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } template < typename T > inline string toString( const T &a ) { ostringstream oss; oss << a; return oss.str(); }; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> LP; const int di[4] = {1,0,-1,0}; const int dj[4] = {0,1,0,-1}; const int mod = 1000000007; //const int mod = 998244353; //cout << fixed << setprecision(15); int main() { int n; cin >> n; ll C; cin >> C; map<int,ll> events; rep(i,n) { int a, b, c; cin >> a >> b >> c; events[a] += c; events[b+1] -= c; } ll ans = 0; ll s = 0; int pre = 0; for (auto event : events) { ans += min(C, s)*(event.first-pre); s += event.second; pre = event.first; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) const ll MOD = 1e9 + 7; const int INF = 1e9; const ll LLINF = 1e18; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } int main() { // input vector<string> s(3); rep(i, 3) { cin >> s[i]; } // solve map<char, ll> mp; set<char> heads; rep(i, 3) { reverse(s[i].begin(), s[i].end()); ll co = i == 2 ? -1 : 1; for (char c : s[i]) { mp[c] += co; co *= 10; } reverse(s[i].begin(), s[i].end()); heads.insert(s[i][0]); } if (10 < mp.size()) { cout << "UNSOLVABLE" << endl; return 0; } vector<int> p(10); iota(p.begin(), p.end(), 0); do { int i = 0; ll tot = 0; for (auto x : mp) { char c = x.first; ll co = x.second; if (p[i] == 0 && heads.count(c)) { tot = 1e18; } tot += co * p[i]; ++i; } if (tot == 0) { i = 0; for (auto& x : mp) { x.second = p[i]; ++i; } rep(i, 3) { ll x = 0; for (char c : s[i]) { x = x * 10 + mp[c]; } cout << x << endl; } return 0; } } while (next_permutation(p.begin(), p.end())); cout << "UNSOLVABLE" << endl; }
#include<bits/stdc++.h> #define ll long long int main() { using namespace std; int t; cin>>t; while(t--) { ll n; cin>>n; if(n==1) { cout<<"Odd\n"; continue; } if(n==2) { cout<<"Same\n"; continue; } if(n%2==1)cout<<"Odd\n"; else if(n%4==0)cout<<"Even\n"; else if(n%4==2)cout<<"Same\n"; } return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define fastio ios_base::sync_with_stdio(0);cin.tie(0) #define fp(i,a,b) for(ll i=a ; i<b ; i++) #define fn(i,a,b) for(int i=a ; i>=b ; i--) #define ones(x) __builtin_popcount(x) #define pb push_back #define mk make_pair #define ff first #define ss second #define all(x) x.begin(),x.end() #define dbg(x) cout << (#x) << " = " << x << " " #define fini cout << "\n"; #define line cout << "-----------------------------------\n"; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pii> vpii; typedef vector<pll> vpll; typedef tree< ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; int read (){ int x = 0, f = 1; char s = getchar();while (s < '0' || s > '9') {if (s == '-') f = -1; s = getchar();} while (s >= '0' && s <= '9') x = x * 10 + s - '0', s = getchar(); return x * f; } const ll M=2e5+7; const ll N=2e7+7; const ll inf=1e18; const ll mod=1e9+7; const ll mod2=998244353; void go(int ide){ ll n; cin >> n; if (n%2) cout << "Odd\n"; else if (n%4) cout << "Same\n"; else cout << "Even\n"; } int main(){ fastio; int tst=1; cin >> tst; // cout << fixed << setprecision(12); fp(i,0,tst) go(i+1); return 0; }
#include <bits/stdc++.h> #define fi first #define se second using namespace std; typedef long long ll; typedef pair<int,int> ii; int h,w,m; int f[200005]; ll ans = 0; int of[200005]; int fw[200005]; ii p[200005]; void up(int x, int v){ while (x < 200005){ fw[x] += v; x += x&-x; } } int qu(int x){ int res = 0; while (x){ res += fw[x]; x -= x&-x; } return res; } int main(){ cin >> h>>w>>m; for (int i = 1; i <= h; i++){ f[i] = w+1; } for (int i = 0; i < m; i++) { cin >> p[i].fi >> p[i].se; f[p[i].fi] = min(f[p[i].fi],p[i].se); } sort(p,p+m); int id = 0; int cur = w; for (int i = 1; i <= h; i++){ while (id < m && p[id].fi == i){ if (i == 1){ while (cur >= p[id].se){ if (of[cur] == 0){ of[cur] = 1; up(cur, 1); } cur--; } } if (of[p[id].se] == 0){ //printf("toggling %d column\n",p[id].se); of[p[id].se] = 1; up(p[id].se,1); } id++; } int cur; if (of[1]) { cur = qu(w); } else cur = qu(w) - qu(f[i]-1); //printf("first = %d, %d on\n",f[i],cur); ans += cur; } ll ANS = (ll)h*w; ANS -= ans; printf("%lld",ANS); }
#include <bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define ll long long #define ALL(a) (a).begin(),(a).end() #define rep(i,n) for(int i=0;i<(n);i++) #define rrep(i,n) for(int i=n-1;i>=0;i--) #define fi first #define se second #define pb push_back #define Pii pair<int,int> #define Pll pair<long long,long long> #define fout(num) cout << fixed << setprecision(20) << (num) << endl template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;} //vector<vector<ll>> dp(n,vector<ll>(n)) //2-dim:vector<vector<Type>> vv(n, vector<Type>(m, d)); //3-dim:vector<vector<vector<Type>>> vvv(n, vector<vector<Type>>(m, vector<Type>(l, d))); using namespace std; template<typename T> struct SegmentTree{ private: int n; vector<T> node; T identity; public: T merge(T x,T y){ return x+y; } SegmentTree(vector<T> v,T id){ int sz=(int)v.size(); n=1; while(n<sz)n*=2; identity=id; node.resize(2*n-1,id); for(int i=0;i<sz;i++) node[i+n-1]=v[i]; for(int i=n-2;i>=0;i--){ node[i]=merge(node[2*i+1],node[2*i+2]); } } void update(int x,T val){ x+=(n-1); node[x]=val; while(x>0){ x=(x-1)/2; node[x]=merge(node[2*x+1],node[2*x+2]); } } T query(int a,int b,int idx=0,int l=0,int r=-1){ /* get [a,b) */ if(r<0) r=n; if(r<=a||b<=l) return identity; if(a<=l&&r<=b) return node[idx]; T vl=query(a,b,2*idx+1,l,(l+r)/2); T vr=query(a,b,2*idx+2,(l+r)/2,r); return merge(vl,vr); }; T operator[](int k){return node[k+n-1];} }; signed main(){ std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); ll h,w,m; cin >> h >> w >> m; vector<ll> x(m),y(m); vector<ll> mix(200200,h+1),miy(200200,w+1); vector<ll> cnt(200200,0); vector<vector<ll>> G(200200); rep(i,m){ cin >> x[i] >> y[i]; chmin(miy[x[i]],y[i]); chmin(mix[y[i]],x[i]); cnt[y[i]]++; G[y[i]].pb(x[i]); } vector<ll> v(h,1); SegmentTree<ll> seg(v,0); ll ans = 0; for(int i=1;i<miy[1];i++){ ans += (mix[i]-1); } //cout << ans << endl; ll hh = min(h,mix[1]); for(int i=1;i<=w;i++){ if(mix[i]==h+1 && i<miy[1]) continue; for(auto u:G[i]){ seg.update(u-1,0); } if(i<miy[1]){ ans += seg.query(mix[i],hh); //cout << seg.query(mix[i],hh) << endl; } else{ ans += seg.query(0,hh); //cout << seg.query(0,hh) << endl; } } cout << ans << endl; } // g++ main.cpp -o a.out && ./a.out
#include <bits/stdc++.h> #define fastio() \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define pb push_back #define show(x) cout << (#x) << " : " << x << endl; #define ll long long #define ull unsigned long long #define ld long double #define pow power #define mp make_pair #define ff first #define ss second #define pii pair<ll, ll> #define sq(x) ((x) * (x)) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define siz(a) int((a).size()) #define For(i,a,b) for(int (i)=(a);(i) < (b); ++(i)) #define endl "\n" #define pi 3.14159265 const ll mod = 1000 * 1000 * 1000 + 7; const ll mod1 = 998244353; const ll INF = 1ll*1000*1000*1000*1000*1000*1000 + 7; using namespace std; ll power(ll x, ll y) { ll res = 1; while (y > 0) { if (y & 1) res = (long long)(res*x); y = y>>1; x = (long long)(x*x); //cout<<x<<'\n'; } return res; } // Stolen Templates template <typename T> T MIN(T first) { return first; } template <typename T, typename... Args> T MIN(T first, Args... args) { return min(first, MIN(args...)); } template <typename T> T MAX(T first) { return first; } template <typename T, typename... Args> T MAX(T first, Args... args) { return max(first, MAX(args...)); } // Stolen Templates end here int main() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif fastio(); ll n,s,d; cin>>n>>s>>d; For(i,0,n) { ll x,y; cin>>x>>y; if (x<s and y>d) { cout<<"Yes"; return 0; } } cout<<"No"; return 0; } // check all product based operations for integer overflow // careful of renamed variables especially in loops
#include<iostream> #define int long long using namespace std; signed main() { int n,s,d; cin>>n>>s>>d; bool flag=0; for(int i=0;i<n;i++) { int j,k; cin>>j>>k; if(j<s&&k>d) { flag=1; } } if(flag) cout<<"Yes"; else cout<<"No"; return 0; }
#include<bits/stdc++.h> using namespace std; #define FASTio ios::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define ll long long int #define all(v) (v).begin(), (v).end() #define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());} #define printarr(v) {for(auto x : v) cout<<x<<" ";cout<<"\n";} #define mp make_pair #define pb push_back #define pf push_front #define ff first #define ss second #define lcm(a, b) ((a) * (b)) / __gcd(a, b) #define umpit unordered_map<ll,ll>::iterator #define mpit map<ll,ll>::iterator #define setit set<ll>::iterator #define mx(a) *max_element(all(a)) #define mn(a) *min_element(all(a)) #define yes cout<<"YES\n" #define no cout<<"NO\n" const ll INF = LLONG_MAX / 2; #define PI 3.1415926535897932384626433832795 #define mod 1000000007 int main() { FASTio; ll t=1,i,j; //cin>>t; while(t--) { ll n; cin>>n; ll k = 1.08*n; if(k<206) cout<<"Yay!\n"; else if(k == 206) cout<<"so-so\n"; else cout<<":(\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << ((floor(n*1.08)<206)? "Yay!": ((floor(n*1.08)==206)? "so-so": ":(")) << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair <int, int> pii; typedef pair <ll,ll> pll; typedef vector <int> vint; typedef vector <ll> vll; typedef vector <pii> vpii; typedef vector <pll> vpll; typedef vector <string> vs; typedef priority_queue <int> pqi; #define FOR(i, a, b) for(int i = a; i < (b); ++i) #define F0R(i, a) for(int i = 0; i < (a); ++i) #define FORd(i, a, b) for(int i = (b) - 1; i >= a; --i) #define F0Rd(i, a) for(int i = (a) - 1; i >= 0; --i) #define trav(x, a) for(auto& x : a) #define pb push_back #define mkp make_pair #define vbb vector <bool> #define lb lower_bound #define ub upper_bound #define all(x) x.begin(), x.end() #define allr(x) x.rbegin(), x.rend() const int mod = 1000000007; const long long inf = 1e18; const char nl = '\n'; void solve_it(){ vint a(3); F0R(i, 3) cin>>a[i]; sort(all(a)); cout<<a[3 - 1] + a[3 - 2]; } int main(){ ios::sync_with_stdio(0); cin.tie(0); solve_it(); return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(int)(x);i<(int)(y);i++) #define print(A,x,n) rep(i,0,n){cout<<(i ? " ":"")<<A[i]x;}cout<<endl; #define pprint(A,y,m,n) rep(j,0,m){print(A[j],y,n);} const long mod=1e9+7; const int siz=3e5; const int inf=1e9; int main(){ int N; cin>>N; pair<long,int> vx[N], vy[N]; long x[N], y[N]; rep(i,0,N){ cin>>x[i]>>y[i]; vx[i] = {x[i], i}; vy[i] = {y[i], i}; } sort(vx, vx+N); sort(vy, vy+N); set<int> id; id.insert(vx[0].second); id.insert(vx[1].second); id.insert(vx[N-2].second); id.insert(vx[N-1].second); id.insert(vy[0].second); id.insert(vy[1].second); id.insert(vy[N-2].second); id.insert(vy[N-1].second); vector<long> dist; for(int v:id)for(int u:id){ dist.push_back(max(abs(x[u] - x[v]), abs(y[u] - y[v]))); } sort(dist.begin(), dist.end(), greater<long>()); cout<<dist[2]<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll,ll> P; typedef vector<ll> VI; typedef vector<VI> VVI; #define REP(i,n) for(ll i=0;i<(n);i++) #define ALL(v) v.begin(),v.end() constexpr ll MOD=998244353; constexpr ll INF=2e18; int main(){ int n; cin >> n; n*=2; VI a(n); REP(i,n) cin >> a[i]; vector<P> p(0); REP(i,n){ p.push_back({a[i],i}); } sort(ALL(p)); VI f(n,0); int x=0; REP(i,n){ if(x<n/2){ f[p[i].second]=1; x++; } } vector<char> ans(n); stack<int> st; REP(i,n){ if(st.size()==0){ st.push(i); } else{ if(f[st.top()]==f[i]){ st.push(i); } else{ ans[st.top()]='('; ans[i]=')'; st.pop(); } } } for(auto c:ans){ cout << c; } cout << endl; }
#include <iostream> long long dp[201][12]; long long nCr(long long n, long long r) { if (r == n) return dp[n][r] = 1; if (r == 1) return dp[n][r] = n; if (r == 0) return dp[n][r] = 1; if (dp[n][r] == 0) return dp[n][r] = nCr(n-1, r) + nCr(n-1, r-1); else return dp[n][r]; } int main() { int l; for (int i = 0; i < 201; i++) { for (int j = 0; j < 13; j++) dp[i][j] = 0; } std::cin >> l; std::cout << nCr(l-1, 11); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; if (a != b && b != c && c != a) cout << 0 << '\n'; else cout << (a ^ b ^ c) << '\n'; }
#include "bits/stdc++.h" #include <stdio.h> #include <string.h> #include<iostream> #include <algorithm> #include <iostream> #include <cmath> using namespace std; #define KP \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define ll long long int #define rep(i, a, b) for (ll i = a; i < b; i++) #define inp(a, n) rep(i, 0, n) cin >> a[i]; #define out(a, n) rep(i, 0, n) cout << a[i] << " "; #define MIN -1e9 #define MAX 1e9 #define endl "\n" #define vi vector<ll> #define pb push_back #define all(v) v.begin(), v.end() #define output(x) cout << (x ? "Yes" : "No") << endl; bool sortbysecdesc(const pair<ll, ll> &a, const pair<ll, ll> &b) { return a.second > b.second; } int binpow(int a, int n) { // // normal recurcive // if (n == 0) // return 1; // if (n % 2 == 1) // return binpow(a, n - 1) * a; // else // { // int b = binpow(a, n / 2); // return b * b; // } // //iterative // int res = 1; // while (n) // if (n & 1) // { // res *= a; // --n; // } // else // { // a *= a; // n >>= 1; // } // return res; // optimised iterative int res = 1; while (n) { if (n & 1) res *= a; a *= a; n >>= 1; } return res; } void solve() { ll a,b,c; cin >> a>>b>>c; if(a==b){ cout << c<<endl; return; } if(b==c){ cout << a<<endl; return; } if(a==c){ cout << b<<endl; return; } cout << "0" << endl; } int main() { KP; // #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); // #endif ll tt=1; //cin>>tt; // ll tt=1; // cin >> tt; // string s; // cin >> s; while (tt--) solve(); // cout << "\n\n" // << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " seconds.\n"; // cout << tt + tt*tt + 12432345 << " " << s<<endl<<tt*tt*tt<<endl ; return 0; }
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < (int)(n); i++) #define FOR(i, a, b) for (long long i = (a); i < (long long)(b); i++) #define IFOR(i, a, b) for (long long i = (a); i <= (long long)(b); i++) using namespace std; using VL = vector<long long>; using ll = int64_t; ll mod(ll x,ll m){ll y=x%m;return (y>=0LL)?y:y+m;} template<class T>bool chmin(T& a, T b){if(a>b){a=b;return true;}else return false;} ll gcd(ll a,ll b,ll& x,ll& y) {if(a){ll d=gcd(b%a,a,x,y);y-=(b/a)*x;swap(x,y);if(d<0LL){d=-d;x=-x;y=-y;}return d;}else{x=0;y=1;return b;}} ll B(ll X, ll Y, ll n){ return 2LL*(X+Y)*n+X; } ll W(ll P, ll Q, ll n){ return (P+Q)*n+P; } int main(){ int T; cin>>T; string ans = ""; REP(i,T){ ll t = LLONG_MAX; ll X,Y,P,Q; cin>>X>>Y>>P>>Q; ll x, y; ll d = gcd(2LL*(X+Y), -(P+Q), x, y); ll u = (P+Q)/d, v = 2LL*(X+Y)/d; IFOR(z, P-X, P-X+Q-1LL){ if(mod(z,d)!=0LL)continue; ll n = mod(z/d*x,u); chmin(t,B(X,Y,n)); } IFOR(z, P-X-Y+1LL, P-X){ if(mod(z,d)!=0LL)continue; ll m = mod(z/d*y,v); chmin(t, W(P,Q,m)); } if(t==LLONG_MAX){ ans += "infinity\n"; }else{ ans += to_string(t) + "\n"; } } cout << ans; return 0; }
#include <bits/stdc++.h> #define rei register int #define int signed long long #pragma GCC optimize(2) using namespace std; int T,X,Y,P,Q; int ans,cnt; void exgcd(int &x,int &y,int a,int b) { if(!b) { x=1; y=0; return; } exgcd(x,y,b,a%b); int t=x; x=y; y=t-a/b*y; } int gcd(int x,int y){ return !y ? x : gcd(y,x % y); } int mul(int x,int y,int mod){ int res = 0; while(y){ if(y & 1) res = (res + x) % mod; x = 2 * x % mod; y >>= 1; } return res; } void solve(int d1,int mod1,int d2,int mod2){ int rec = gcd(mod1,mod2); if((d2 - d1) % rec != 0) return; int LCM = mod1 * mod2 / gcd(mod1,mod2); int rate = (d2 - d1) / gcd(mod1,mod2); int sol1,sol2; exgcd(sol1,sol2,mod1,mod2); sol1 = mul(sol1,(rate % LCM + LCM) % LCM,LCM); int res = ((mul(sol1,mod1,LCM) + d1) % LCM + LCM) % LCM; ans = min(ans,res); } signed main(){ cin >> T; while(T--){ cin >> X >> Y >> P >> Q; ans = (long long)9e18; for(rei i = X;i <= X + Y - 1;++i) for(rei j = P;j <= P + Q - 1;++j) solve(i,2 * X + 2 * Y,j,P + Q); if(ans == (long long)9e18) cout << "infinity" << endl; else cout << ans << endl; } return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long int helper(int l, int r) { int j= r - (2*l); int temp = j*(j+1); temp = temp/2; temp = temp + j; temp = temp + 1; return temp; } void solve(){ int l,r; cin>>l>>r; if(2*l <= r) cout<<helper(l,r)<<endl; else cout<<0<<endl; } int32_t main(){ int t; cin>>t; while(t--){ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; vector<ll> solve(ll t, vector<ll> l, vector<ll> r) { vector<ll> res(t); for(ll i = 0ll; i < t; i++) { //cout << t << " -> " << i << endl; ll count = max(r[i] - 2ll * l[i] + 1ll, 0ll); //cout << "count: " << count << endl; res[i] = count * (count + 1ll) / 2ll; } return res; } int main() { ll t; cin >> t; vector<ll> l(t), r(t); for(int i = 0; i < t; i++) { cin >> l[i] >> r[i]; } vector<ll> res = solve(t, l, r); for(ll i=0ll;i<t; i++) { cout << res[i] << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long const ll p = 1000000009; const ll nax = 200002; int par[nax]; int pr(int v) { if (par[v] == v) return v; return par[v] = pr(par[v]); } int main() { for (int i = 0; i < nax; ++i) { par[i] = i; } int n; cin >> n; vector<int> v(n); for (auto& x : v) cin >> x; int ans = 0; for (int i = 0; i < n; ++i) { int a = pr(v[i]), b = pr(v[n - 1 - i]); if (a == b) continue; ans++; par[a] = b; } cout << ans; }
#ifdef MYDEBUG #include "pch.h" #else #include <bits/stdc++.h> #define debug(...) #endif using namespace std; #define int long long #define endl '\n' #define sz(x) (int)((x).size()) #define all(x) (x).begin(),(x).end() #define allr(x) (x).rbegin(),(x).rend() typedef vector<int> vi; typedef map<int, int> mii; typedef pair<int, int> pii; template<typename T1, typename T2>istream& operator>>(istream& in, pair<T1, T2>& a) { return in >> a.first >> a.second; } template<typename T1, typename T2>ostream& operator<<(ostream& out, pair<T1, T2> a) { return out << a.first << " " << a.second;} template<typename T>void print(T t) { cout << t; } template<typename T, typename... Args>void print(T t, Args... args) { cout << t << " "; print(args...); } template<typename... Args>void printl(Args... args) { print(args...); cout << endl; } template<typename T>void printa(T& a, bool ln = 0) { for (auto& e : a) print(e, ln?"\n":""); if (!ln) cout << endl; } #define printr(...) { printl(__VA_ARGS__); return; } #define inputa(a) for (auto& e : a) cin >> e mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int RAND(int lo = 0, int hi = LLONG_MAX) { return uniform_int_distribution<int>(lo, hi)(rng); } void google() { static int __gtest__ = 1; cout << "Case #" << __gtest__++ << ": "; } const double pi = 3.141592653589793; signed main() { ios_base::sync_with_stdio(false); cin.tie(0), cout.tie(0); cout << setprecision(15) << fixed; int t = 1; //cin >> t; void code(); while (t--) code(); } const int mod = 1e9 + 7; const int mod1 = 998244353; const int maxn = 2e5 + 1; vi ar[maxn]; bool vis[maxn]; int dfs(int nd) { vis[nd] = 1; int cc = 0; for (auto& ch : ar[nd]) { if (vis[ch]) continue; cc += dfs(ch); } return cc + 1; } void code() { int n; cin >> n; vi a(n); inputa(a); for (size_t i = 0; i < n/2; i++) { if (a[i] == a[n - 1 - i]) continue; ar[a[i]].push_back(a[n - 1 - i]); ar[a[n - 1 - i]].push_back(a[i]); } int cc = 0; for (size_t i = 1; i < maxn; i++) { if (vis[i]) continue; cc += dfs(i) - 1; } printl(cc); }
#include<algorithm> // min, max, sort, #include<iostream> #include<iomanip> // fixed+setprecision, #include<cstdint> // int64_t, #include<vector> #include<map> using namespace std; const static int64_t MOD = 1000000007; int main() { int64_t a, b, c, d; cin>>a>>b; cin>>c>>d; cout<<b-c<<endl; return 0; }
#include <iostream> using namespace std; int main(){ int N, S, D; cin >> N >> S >> D; int *spell_time = new int[N]; int *spell_damage = new int[N]; for(int i = 0; i < N; i++){ cin >> spell_time[i] >> spell_damage[i]; } bool result = false; for(int i = 0; i < N; i++){ if((spell_time[i] < S) && (spell_damage[i] > D)){ result = true; break; } } cout << (result ? "Yes" : "No") << endl; }
#include <bits/stdc++.h> using ull = unsigned long long; using ll = long long; using namespace std; #define pf printf #define sc scanf #define nline cout << '\n' #define dbg(x) \ cout << "debug " << #x << ": " << x << '\n'; #define inp(t) cin >> (t) #define out(t) cout << (t) #define FOR(n,x) for(ll i = n; i < x; i++) #define FOR2(N,X) for(ll j = N; j < X; j++) #define wh(n) while(n--) ll fib[52] = {}; bool isPrime[50]; void OJ(){ // file I/O #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } ll LCM(ll x, ll y){ return x * (y/__gcd(x,y)); } // string addition string sum(string num1,string num2){ int len1 = num1.length(); int len2 = num2.length(); string ans; bool end1 = false, end2 = false; int i = 0, carry = 0; // will break if num1 and num2 ends for( ;!end1 || !end2; ){ // iterating in reverse order if(len1) len1--; if(len2) len2--; // adding num1 and num2 int temp = (num1[len1]-48) + (num2[len2] - 48); temp += carry; carry = temp / 10; ans.push_back((temp % 10)+48); i++; // initializing to 0 if num1 or num2 ends if(!len1){ end1 = true; num1[len1] = '0'; } if(!len2){ end2 = true; num2[len2] = '0'; } } if(carry) ans.push_back(carry+48); reverse(ans.begin(), ans.end()); return ans; } //str multiplication of a*b string strMultiplication(string a, string b){ string ans = "0"; string postZeros = ""; for(int i = b.length()-1; i >= 0; i--){ int carry = 0; string current; if(b[i] == '0') current.push_back('0'); else for(int j = a.length()-1; j >= 0; j--){ int S1_j = a[j] - 48; int S2_i = b[i] - 48; int temp = (S1_j * S2_i) + carry; carry = temp/10; // if(current != "0") current.push_back((char)((temp%10) + 48)); } if(carry) current.push_back(carry+48); reverse(current.begin(), current.end()); current += postZeros; ans = sum(ans,current); postZeros += "0"; } return ans; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); OJ(); // Start ll n,m,t; inp(n) >> m >> t; bool flag = true; ll charge = n, last = 0; FOR(0,m){ ll a,b; inp(a) >> b; charge = charge - (a - last); if(charge <= 0) flag = false; charge = charge + (b - a); last = b; if(charge > n) charge = n; } charge = charge - (t - last); if(flag && charge > 0) out("Yes"); else out("No"); nline; }
// g++ F.cpp -std=c++14 -I . && ./a.out #include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; // using mint = modint1000000007; // using mint = modint998244353; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, a, b) for (int i = a; i < (int)(b); i++) #define rrep(i, a, b) for (int i = a; i > (int)(b); i--) #define all(v) v.begin(), v.end() using ll = long long; const ll INF = 1e18; // 変数定義 int N, M, Q, a, b, c, d, x, y, t, T, total, ans; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cin >> N >> M; vector<vector<int>> adj(N, vector<int>(N, 0)); rep(i, M) { cin >> a >> b; adj[a - 1][b - 1] = 1; adj[b - 1][a - 1] = 1; } vector<int> dp(1 << N, N); dp[0] = 0; rep(S, 1 << N) { bool flag = true; vector<int> lis; rep(i, N) { if ((S >> i) % 2) lis.push_back(i); } for (auto p : lis) { for (auto q : lis) { if (p == q) break; if (adj[p][q] == 0) { flag = false; goto last; } } } last: if (flag == true) dp[S] = 1; else { T = (S - 1) & S; while (T > 0) { dp[S] = min(dp[S], dp[T] + dp[S - T]); T = (T - 1) & S; } } } cout << dp[(1 << N) - 1] << '\n'; return 0; }
#include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; using Graph = vector<vector<int>>; using Grid= vector<string>; using vin= vector<int>; using ll=long long; using ull=unsigned long long; using vll= vector<ll>; using vbl=vector<bool>; using vch=vector<char>; using P=pair<int ,int>; //const long double pi=acos(-1); #define ft first #define sd second #define fn front #define pb push_back #define eb emplace_back #define it insert #define si(v) int((v).size()) #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rell(i,n) for (ll i=0; i< (ll)(n); i++) #define sot(x) sort(x.begin(), x.end()) #define rese(x) reverse(x.begin(), x.end()) #define vnn(x,y,s,name) vector<vector<int>> name(x, vector<int>(y,s)) #define mse(x) memset(x, 0, sizeof(x)) #define mii(x,y,z) min(x,min(y,z)) #define maa(x,y,z) max(x,max(y,z)) #define cps CLOCKS_PER_SEC #define yes cout<<"Yes"<<"\n" #define no cout<<"No"<<"\n" #define cset(x) cout<<fixed<<setprecision(x) //const int INF=1001001001; //998244353 1000000007 int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin>>n; vector<long long> ax(n); long long as=0; rep(i,n){ ll a,b; cin>>a>>b; as-=a; ax[i]=2*a+b; } sot(ax); rese(ax); int cnt=0; while(as<=0){ as+=ax[cnt]; cnt++; } cout<<cnt<<endl; }
#include <bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define pi pair<int, int> #define endl '\n' #define all(v) (v).begin(), (v).end() #define FIO ios_base::sync_with_stdio(0), cin.tie(0) #define fi first #define se second signed main() { FIO; int n; cin >> n; set<pair<int, string>> v; for (int i = 0; i < n; i++) { string s; int t; cin >> s >> t; v.insert({-t, s}); } auto it = v.begin(); it++; cout << ((*it).se); }
#include<iostream> #include<iomanip> #include<cstdlib> #include<algorithm> #include<vector> #include<map> #include<cmath> #include<string> #define rep(i,p) for(long long int i=0;i<p;i++) #define reep(i,p) for(long long int i=1;i<=p;i++) #define ll long long using namespace std; int main(){ ll int N; cin >> N; vector<ll int> a; ll int keta; ll int wa; while(N!=0){ a.push_back(N%10); wa+=N%10; N/=10; } keta = a.size(); ll int ans=100; ll int kari=0; ll int kariwa; for(ll int j=0;j<(1<<keta);j++){ kariwa=wa; kari=0; for(ll int i=0;i<keta;i++){ if(j>>i&1){ kariwa-=a[i]; kari+=1; } else{} } if(kariwa%3==0 && kariwa!=0){ if(kari<ans){ ans=kari; } else{} } else{} } if(ans==100){ cout << "-1"; } else{ cout << ans; } return 0; }
#include <iostream> #include <vector> #include <algorithm> #include <numeric> #include <functional> using namespace std; #define REP(i, n) for(int i = 0; i < (int)(n); ++i) #define FOR(i, m, n) for(int i = (int)(m); i < (int)(n); ++i) void recursive_comb(int *indexes, int s, int rest, std::function<void(int *)> f) { if (rest == 0) { f(indexes); } else { if (s < 0) return; recursive_comb(indexes, s - 1, rest, f); indexes[rest - 1] = s; recursive_comb(indexes, s - 1, rest - 1, f); } } // nCkの組み合わせに対して処理を実行する void foreach_comb(int n, int k, std::function<void(int *)> f) { int indexes[k]; recursive_comb(indexes, n - 1, k, f); } int main() { string S; cin >> S; vector<int> digit; for(auto s: S){ int n = s-'0'; digit.push_back(n); } int ans = -1; FOR(k, 1, digit.size()+1){ foreach_comb(digit.size(), k, [&](int *indexes){ int s = 0; REP(i, k) s += digit[indexes[i]]; if(s%3 == 0) ans = int(S.size())-k; }); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vll = vector<ll>; using vc = vector<char>; using vcc = vector<vc>; using Pii = pair<int,int>; using ld = long double; int main(){ int h,w,x,y; cin >> h >> w >> x >> y; vvi V(200, vi(200,0)); for(int i = 0; i<h; i++){ for(int j = 0; j<w; j++){ char c; cin >> c; if(c=='#'){ V[i][j] = 1; } } } int ans = 0; for(int i = x-2; i>=0; i--){ if(V[i][y-1]){ break; } else{ ans++; } } for(int i = x; i<h; i++){ if(V[i][y-1]){ break; } else{ ans++; } } for(int j = y-2; j>=0; j--){ if(V[x-1][j]){ break; } else{ ans++; } } for(int j = y; j<w; j++){ if(V[x-1][j]){ break; } else{ ans++; } } cout << ans+1 << endl; }
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < n; i++) #define Rep(i,n) for(int i = 1; i <= n; i++) #define sz(a) int(a.size()) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define debug(a) { cerr << #a << ':' << a << endl; } #define endl '\n' #define fi first #define se second using lint = long long; using P = pair<int,int>; template<class T> using V = vector<T>; template<class T> using priq = priority_queue<T>; template<class T> using priq_inv = priority_queue<T, vector<T>, greater<T>>; const int dx[] = {0,1,0,-1,1,1,-1,-1}; const int dy[] = {1,0,-1,0,1,-1,-1,1}; template<class T> T ceil(const T &a, const T &b) { return (a+b-1)/b; } template<class T> bool chmin(T &a, T b) { if(a > b) { a = b; return 1; } return 0; } template<class T> bool chmax(T &a, T b) { if(a < b) { a = b; return 1; } return 0; } struct INF { template<class T> operator T() { return numeric_limits<T>::max() / 2; } } INF; template<class T, class U> istream& operator>>(istream &in, pair<T,U> &p) { return in >> p.first >> p.second; } template<class T, class U> ostream& operator<<(ostream &out, const pair<T,U> &p) { return out << "{ " << p.first << ',' << p.second << " } "; } template<class T> istream& operator>>(istream &in, vector<T> &v) { for(auto &&e: v) in >> e; return in; } template<class T> ostream& operator<<(ostream &out, const vector<T> &v) { for(const auto &e: v) out << e << ' '; return out; } /*----------------------------------------------------------------------------------------------------*/ int n, m; V<string> s; // fstream out("AHC004_out.txt"); int main() { clock_t start = clock(); cin >> n >> m; s.resize(m); cin >> s; V<P> cnts(m); // pair = (count, index); V<V<int>> ins(m); rep(i,m) { int cnt = 0; rep(j,m) { bool isin = ( s[i].find(s[j]) != string::npos ); if(isin) { cnt++; ins[i].push_back(j); } } cnts[i] = make_pair(cnt,i); } sort(rall(cnts)); V<bool> used(m); V<string> ans(n); rep(i,n) { // 初期解生成 string str = ""; rep(j,m) { int x = cnts[j].se; if(used[x]) continue; string plus = s[x]; for(int k = min(sz(str), sz(s[x])); k >= 0; k--) { if( str.substr(sz(str)-k,k) == s[x].substr(0,k) ) { plus = s[x].substr(k,sz(s[x])-k); break; } } if(sz(str) + sz(plus) > n) continue; str += plus; for(int y: ins[x]) used[y] = true; } str.resize(n,'.'); ans[i] = str; } V<int> v(n); iota(all(v), 0); pair<int,V<int>> mx = make_pair(0,v); random_device seed_gen; mt19937 engine(seed_gen()); while(clock() - start < 2980) { V<bool> nused = used; int cnt = 0; rep(i,n) { string ns = ""; rep(j,n) ns += string(1,ans[v[i]][j]); ns += ns; rep(j,m) { if(nused[j]) continue; if( ns.find(s[j]) != string::npos ) { cnt++; nused[j] = true; } } } chmax(mx, make_pair(cnt, v)); shuffle(all(v), engine); } rep(i,n) { cout << ans[mx.se[i]] << endl; } }
#include <iostream> #include <algorithm> #include <map> #include <set> #include <queue> #include <bitset> #include <climits> #include <cmath> #include <complex> #include <functional> #include <cassert> #include <stack> #include <numeric> #include <iomanip> #include <limits> #include <random> #include <unordered_set> #include <chrono> typedef int64_t ll; typedef std::pair<int, int> Pii; typedef std::pair<ll, ll> Pll; typedef std::pair<double, double> Pdd; #define rip(_i, _n, _s) for (int _i = (_s); _i < (int)(_n); _i++) #define all(_l) _l.begin(), _l.end() #define rall(_l) _l.rbegin(), _l.rend() #define MM << " " << template<typename _T> using MaxHeap = std::priority_queue<_T>; template<typename _T> using MinHeap = std::priority_queue<_T, std::vector<_T>, std::greater<_T>>; template<typename _T> inline bool chmax(_T &_l, const _T _b) { if (_l < _b) { _l = _b; return true; } return false; } template<typename _T> inline bool chmin(_T &_l, const _T _b) { if (_l > _b) { _l = _b; return true; } return false; } template<typename _T> void vdeb(const std::vector<_T> &bb) { for (unsigned int i = 0;i < bb.size();i++) { if (i == bb.size() - 1) std::cout << bb[i]; else std::cout << bb[i] << ' '; } std::cout << '\n'; } template<typename _T> void vdeb(const std::vector<std::vector<_T>> &bb) { for (unsigned int i = 0;i < bb.size();i++) { // std::cout << i << ' '; vdeb(bb[i]); } std::cout << '\n'; } using namespace std; int main() { int a, b, c; cin >> a >> b >> c; set<int> st = {a, b, c}; if(st.size() < 3) { cout << (a^b^c) << endl; } else { cout << 0 << endl; } }
#include<iostream> using namespace std; int main() { int a, b, c; cin >> a >> b >> c; if (a != b && a != c && b != c) cout << 0 << endl; else { if (a == b) { cout << c << endl; return 0; } if (a == c) { cout << b << endl; return 0; } if (c == b) { cout << a << endl; return 0; } } }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ALL(v) (v).begin(), (v).end() using ll = long long; constexpr int INF = 1e9; constexpr long long LINF = 1e18; constexpr long long MOD = 1e9 + 7; signed main() { int n, m; cin >> n >> m; int a[m], b[m]; rep(i, m) { cin >> a[i] >> b[i]; a[i]--; b[i]--; } int dp[1 << n] = {}; fill(dp, dp + (1 << n), INF); for (int bit = 1; bit < 1 << n; bit++) { int bp = __builtin_popcount(bit); int cnt = 0; rep(i, m) { if ((bit & 1 << a[i]) and (bit & 1 << b[i])) cnt++; } if (cnt == bp * (bp - 1) / 2) dp[bit] = 1; } for (int S = 0; S < 1 << n; S++) { for (int T = S;; T = (T - 1) & S) { if (T == 0) break; dp[S] = min(dp[S], dp[T] + dp[S ^ T]); } } cout << dp[(1 << n) - 1] << endl; return 0; }
#include<bits/stdc++.h> using namespace std; const int MAXN=1<<18,INF=-0x3f3f3f3f3f; int N,F[MAXN],G[MAXN],U,Con[MAXN],IsCon[MAXN]; inline int lowbit(int n) { return n&(-n); } inline bool iscon(int b,int s){ if(G[s]!=1) return 0; while(s){ if(!Con[b|lowbit(s)]) return 0; s^=lowbit(s); } return 1; } vector<int> Alw; inline void dp(int S){ if( S==lowbit(S)||iscon(lowbit(S),S^lowbit(S)) ){ F[S]=G[S]=1; Alw.push_back(S); return ; } for(auto s : Alw) if((S&s)==s){ F[S]=min(F[S],F[S^s]+1); if(F[S]==2) return ; } } int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); for(int i=0;i<MAXN;i++) F[i]=G[i]=-INF; int M; cin>>N>>M; U=(1<<N)-1; for(int i=1;i<=M;i++){ int a,b; cin>>a>>b; Con[(1<<a-1)|(1<<b-1)]=1; } for(int i=1;i<=U;i++) dp(i); cout<<F[U]<<endl; return 0; }
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <queue> #include <bitset> #include <stack> #include <functional> // AtCoder // #include <atcoder/all> // using namespace atcoder; #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define eprintf(...) #endif #define rep_(i, a_, b_, a, b, ...) for (int i = (a), i##_len = (b); i < i##_len; ++i) #define rep(i, ...) rep_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define reprev_(i, a_, b_, a, b, ...) for (int i = (b)-1, i##_min = (a); i >= i##_min; --i) #define reprev(i, ...) reprev_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define all(x) (x).begin(), (x).end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } #define fls(x) (64 - __builtin_clzll(x)) #define pcnt(x) __builtin_popcountll(x) using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair <int,int> P; typedef long double ld; int main (void) { cin.tie(0); ios::sync_with_stdio(false); int t; cin >> t; rep (_, t) { int n; cin >> n; vector<int> p(n), prev(n); rep (i, n) { cin >> p[i]; --p[i]; prev[p[i]] = i; } vector<int> res; int piv = 0, cnt = 0; while (piv < n) { // rep (x, 10) { eprintf("piv=%d cnt=%d : ", piv, cnt); rep (i, n) eprintf("%d ", p[i]); if (prev[piv] == piv) { eprintf("A\n"); ++piv; continue; } int pivplace = prev[piv]; if ((pivplace + 1) % 2 == cnt % 2) { eprintf("B\n"); swap(p[pivplace - 1], p[pivplace]); swap(prev[p[pivplace - 1]], prev[p[pivplace]]); ++cnt; res.push_back(pivplace); } else { if (p[pivplace - 2] > piv) { eprintf("C\n"); swap(p[pivplace - 2], p[pivplace - 1]); swap(prev[p[pivplace - 2]], prev[p[pivplace - 1]]); ++cnt; res.push_back(pivplace - 1); } else { eprintf("D\n"); swap(p[pivplace - 1], p[pivplace]); swap(prev[p[pivplace - 1]], prev[p[pivplace]]); cnt += 5; res.push_back(pivplace - 1); res.push_back(pivplace); res.push_back(pivplace - 1); res.push_back(pivplace); res.push_back(pivplace - 1); } } } cout << res.size() << '\n'; rep (i, res.size()) cout << res[i] << " \n"[i + 1 == i_len]; } return 0; }
//AnkitCode99 here.... //every ups and downs matter! #include<bits/stdc++.h> #define endl "\n" #define IOS ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr) typedef long long int ll; #define rep(i,a,b) for(ll i=a;i<b;i++) #define pb push_back using namespace std; const ll sz=(1e5+5)*2; const ll szz=1e6+6; const ll mod=1e9+7; ll n,m,price[sz],maxi[sz]; vector<ll> ar[sz]; bool vis[sz]; ll ans = -1e16; void dfs(ll node) { vis[node]=1; if(maxi[node]!=-1) { return; } maxi[node]=0; for(auto x:ar[node]) { dfs(x); maxi[node] = max(maxi[node],maxi[x]); } if(ar[node].size()) { ans = max(ans,maxi[node]-price[node]); } maxi[node] = max(maxi[node],price[node]); } int main() { IOS; #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("op.txt","w",stdout); #endif clock_t startTime=clock(); cin>>n>>m; rep(i,1,n+1) { cin>>price[i]; } rep(i,0,m) { ll a,b; cin>>a>>b; ar[a].pb(b); } memset(maxi,-1,sizeof maxi); rep(i,1,n+1) { if(!vis[i]) { dfs(i); } } cout<<ans<<endl; cerr << endl <<setprecision(20)<< double( clock() - startTime ) / (double)CLOCKS_PER_SEC<< " seconds." << endl; }//Goodbye...
// Author: wlzhouzhuan #include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define pii pair<int, int> #define pb push_back #define fir first #define sec second #define rep(i, l, r) for (int i = l; i <= r; i++) #define per(i, l, r) for (int i = l; i >= r; i--) #define mset(s, t) memset(s, t, sizeof(s)) #define mcpy(s, t) memcpy(s, t, sizeof(t)) #define poly vector<int> #define SZ(x) (int(x.size())) template<typename T1, typename T2> void ckmin(T1 &a, T2 b) { if (a > b) a = b; } template<typename T1, typename T2> void ckmax(T1 &a, T2 b) { if (a < b) a = b; } int read() { int x = 0, f = 0; char ch = getchar(); while (!isdigit(ch)) f |= ch == '-', ch = getchar(); while (isdigit(ch)) x = 10 * x + ch - '0', ch = getchar(); return f ? -x : x; } template<typename T> void print(T x) { if (x < 0) putchar('-'), x = -x; if (x >= 10) print(x / 10); putchar(x % 10 + '0'); } template<typename T> void print(T x, char let) { print(x), putchar(let); } bitset<100005> dp; int n, m; int main() { n = read(), m = 0; dp.set(0); for (int i = 1; i <= n; i++) { int x = read(); dp |= dp << x; m += x; } for (int i = m / 2; i >= 0; i--) { if (dp.test(i)) { print(max(i, m - i), '\n'); return 0; } } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define P pair<ll,ll> #define FOR(I,A,B) for(ll I = ll(A); I < ll(B); ++I) #define FORR(I,A,B) for(ll I = ll((B)-1); I >= ll(A); --I) #define TO(x,t,f) ((x)?(t):(f)) #define SORT(x) (sort(x.begin(),x.end())) // 0 2 2 3 4 5 8 9 #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) //xi>=v x is sorted #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) //xi>v x is sorted #define NUM(x,v) (POSU(x,v)-POSL(x,v)) //x is sorted #define REV(x) (reverse(x.begin(),x.end())) //reverse ll gcd_(ll a,ll b){if(a%b==0)return b;return gcd_(b,a%b);} ll lcm_(ll a,ll b){ll c=gcd_(a,b);return ((a/c)*b);} #define NEXTP(x) next_permutation(x.begin(),x.end()) const ll INF=ll(1e16)+ll(7); const ll MOD=1000000007LL; #define out(a) cout<<fixed<<setprecision((a)) //tie(a,b,c) = make_tuple(10,9,87); #define pop_(a) __builtin_popcount((a)) ll keta(ll a){ll r=0;while(a){a/=10;r++;}return r;} #define num_l(a,v) POSL(a,v) //v未満の要素数 #define num_eql(a,v) POSU(a,v) //v以下の要素数 #define num_h(a,v) (a.size() - POSU(a,v)) //vより大きい要素数 #define num_eqh(a,v) (a.size() - POSL(a,v)) //v以上の要素数 // static_cast< long long ll > int N = 30*30; int L = 30; // (i,j) i個下 , j個右 int ind(int a,int b){ return a*L + b; } //vector< vector<string> > S(N,vector<string>(N)); vector<vector<long double>> H(L,vector<long double>(L,5000.0)); vector<vector<long double>> V(L,vector<long double>(L,5000.0)); // 上は下より(i,j)のiが小さい 右は左より(i,j)のjが大きい // 順路正の向きで const int From_U = 0;//上から来た const int From_D = 1;//下から来た const int From_L = 2;//左から来た const int From_R = 3;//右から来た // 復元 string make_char = "DURL"; const int dy[] = {-1,1,0,0}; const int dx[] = {0,0,-1,1}; int main(){ int sy,sx,ty,tx; int s,t; FOR(k,0,1000){ cin >> sy >> sx >> ty >> tx; int dir_y = 1; int dir_x = 1; if(sy > ty) dir_y = -1; if(sx > tx) dir_x = -1; // (i,j) には (i - dir_y , j) or (i , j - dir_x) から行く vector< vector<long double> > score(L,vector<long double>(L,INF)); vector< vector<int> > from(L,vector<int>(L,-1)); score[sy][sx] = 0; for(int y=sy;(y-dir_y)!=ty;y+=dir_y){ for(int x=sx;(x-dir_x)!=tx;x+=dir_x){ //cout << y << " " << x << endl; if(y==sy && x==sx) continue; long double a = INF,b = INF; if(y != sy) a = score[y-dir_y][x] + H[min(y-dir_y,y)][x]; if(x != sx) b = score[y][x-dir_x] + V[y][min(x,x-dir_x)]; if(a < b){ from[y][x] = (dir_y == 1 ? From_U : From_D ); score[y][x] = a; }else{ from[y][x] = (dir_x == 1 ? From_L : From_R ); score[y][x] = b; } } } //return 0; //cout << "95" << endl; string T; int y=ty,x=tx; while(y!=sy || x!=sx){ int a = from[y][x]; T += make_char[a]; assert(0 <= a && a <= 3); y += dy[a]; x += dx[a]; //cout << "from[" << y << "][" << x << "] = " << a << endl; } //cout << "106" << endl; //cout << T << endl; REV(T); /*{ // チェック assert(T.size() == (abs(sy-ty)+abs(sx-tx))); int ud=0,lr=0; for(auto c:T){ if(c == 'U' || c == 'D') ud++; if(c == 'L' || c == 'R') lr++; } assert(abs(sy-ty) == ud); assert(abs(sx-tx) == lr); }*/ cout << T << endl; cout << flush; long double score_now,r; cin >> score_now; r = pow( score_now / score[ty][tx] , 1.0 - 1.0*(abs(sy-ty) + abs(sx-tx)) / 112.0 ); y=ty,x=tx; while(y!=sy || x!=sx){ int a = from[y][x]; int by = y + dy[a],bx = x + dx[a]; if(by != y){ H[min(by,y)][x] *= r; }else{ V[y][min(bx,x)] *= r; } y += dy[a]; x += dx[a]; } } }
#include<bits/stdc++.h> using namespace std; using ll = long long; using vl = vector<ll>; #define rep(i,n) for(int i=0;i<(n);i++) #define rrep(i,n) for(int i=(n)-1;i>=0;i--) #define rep1(i,n) for(int i=1;i<=(n);i++) #define rrep1(i,n) for(int i=(n);i>0;i--) #define fore(i_in,a) for (auto& i_in: a) #define sz(x) (int)x.size() #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define cnts(x,c) count(all(x),c) #define fio() cin.tie(nullptr);ios::sync_with_stdio(false); #define DEBUG_CTN(v) cerr<<#v<<":";for(auto itr=v.begin();itr!=v.end();itr++) cerr<<" "<<*itr; cerr<<endl template<class T> bool chmax(T &a, const T &b) {if (a<b) {a = b; return 1;} return 0;} template<class T> bool chmin(T &a, const T &b) {if (a>b) {a = b; return 1;} return 0;} template<class T> void print(const T &t) {cout<<t<<"\n";} template<class T> void PRINT(const T &t) {rep(i,sz(t)) cout<<t[i]<<" \n"[i==sz(t)-1];} const ll INF = 1LL << 62; const int iINF = 1 << 30; int n; string s; int main() { fio(); cin>>n>>s; if(*s.begin()!=*s.rbegin()) print(1); else{ char c=*s.begin(); bool flg=false; rep(i,n-1) if(s[i]!=c and s[i+1]!=c) flg=true; print(flg?"2":"-1"); } }
#ifdef __LOCAL #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int,int>; using PIL = pair<int,ll>; using PLI = pair<ll,int>; using PLL = pair<ll,ll>; using Graph = vector<vector<int>>; using Cost_Graph = vector<vector<PIL>>; template<class T> bool chmin(T &a, T b) {if(a>b){a=b;return 1;}return 0;} template<class T> bool chmax(T &a, T b) {if(a<b){a=b;return 1;}return 0;} #define REP(i,n) for(int i=0;i<int(n);i++) #define ROUNDUP(a,b) ((a+b-1)/b) #define YESNO(T) cout<<(T?"YES":"NO")<<endl #define yesno(T) cout<<(T?"yes":"no")<<endl #define YesNo(T) cout<<(T?"Yes":"No")<<endl const int INFint = 1 << 30; const ll INFLL = 1LL << 60; const ll MOD = 1000000007LL; const double pi = 3.14159265358979; int si,sj; vector<vector<int>> tile(50, vector<int>(50)); vector<vector<int>> profit(50, vector<int>(50)); vector<bool> seen(2500,false); string ans; void all_resize(){ return; } void all_input(){ cin >> si >> sj; all_resize(); for (int i = 0; i < 50; i++){ for (int j = 0; j < 50; j++){ cin >> tile[i][j]; } } for (int i = 0; i < 50; i++){ for (int j = 0; j < 50; j++){ cin >> profit[i][j]; } } return; } void all_output(){ cout << ans << endl; return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); all_input(); all_output(); } //
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define ln cout<<'\n' void pr(){ln;} template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<' ';pr(b...);} void chmin(int& x, int y) { x = min(x, y);} void solve() { int n, k; cin >> n >> k; int a[810][810]; rep(i, n) rep(j, n) cin >> a[i][j]; int l = -1, u = 1001001001; int L = k*k/2+1; while(l + 1 < u) { bool ok = false; int mid = (l + u) / 2; { int s[810][810]; rep(i, n) rep(j, n) s[i+1][j+1] = a[i][j] > mid ? 1:0; rep(i, n+1) rep(j, n) s[i][j+1] += s[i][j]; rep(i, n) rep(j, n+1) s[i+1][j] += s[i][j]; rep(i, n-k+1) rep(j, n-k+1) { int now = s[i+k][j+k]; now -= s[i][j+k]; now -= s[i+k][j]; now += s[i][j]; if (now < L) ok = true; } } if (ok) u = mid; else l = mid; } cout << u << endl; } int main(){ ios_base::sync_with_stdio(false), cin.tie(nullptr); solve(); return 0; }
#include <algorithm> #include <iostream> using namespace std; const int N = 800, A = 1000000000; int aa[N + 1][N + 1], pp[N + 1][N + 1]; int main() { int n, k; cin >> n >> k; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) cin >> aa[i][j]; int lower = -1, upper = A; while (upper - lower > 1) { int a = (lower + upper) / 2; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) pp[i][j] = (aa[i][j] <= a) + pp[i - 1][j] + pp[i][j - 1] - pp[i - 1][j - 1]; bool yes = false; for (int i = k; i <= n; i++) for (int j = k; j <= n; j++) if (pp[i][j] - pp[i - k][j] - pp[i][j - k] + pp[i - k][j - k] >= (k * k + 1) / 2) yes = true; if (yes) upper = a; else lower = a; } cout << upper << '\n'; return 0; }
#include <iostream> #include <vector> using namespace std; int main() { int n; cin >> n; vector<double> x(n),y(n); for(int i=0; i<n; i++) { cin >> x[i] >> y[i]; } bool res = false; for(int i=0; i<n-2; i++) { for(int j=i+1; j<n-1; j++) { for(int k=j+1; k<n; k++){ if((x[j]-x[i])*(y[k]-y[i])==(x[k]-x[i])*(y[j]-y[i])){ res = true; break; } } } } if(res) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <cassert> #include <cctype> #include <cerrno> #include <cassert> #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <cwchar> #include <cwctype> #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #include <array> #include <atomic> #include <chrono> #include <codecvt> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <typeindex> #include <type_traits> #include <unordered_map> #include <unordered_set> using namespace std; int main() { double n,D,H,R; double ans; cin>>n>>D>>H; R=100000000; D=D; H=H; vector<double> d(n),h(n); for(double i=0; i<n; i++){ cin>>d.at(i)>>h.at(i); d.at(i)=D-d.at(i); h.at(i)=H-h.at(i); R=min(R,h.at(i)/d.at(i)); } ans=H-D*R; if(H>=D*R)cout<<ans<<endl; else cout<<0<<endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define pii pair<int, int> #define pll pair<long long, long long> #define pb push_back #define ff first #define ss second #define YES printf("YES\n") #define NO printf("NO\n") #define nn "\n" #define sci(x) scanf("%d", &x) #define LL_INF (1LL << 62) #define INF (1 << 30) #define SetBit(x, k) (x |= (1LL << k)) #define ClearBit(x, k) (x &= ~(1LL << k)) #define CheckBit(x, k) (x & (1LL << k)) #define mod 1000000007 #define N 100005 int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; int x[m+2]; x[0] = 0; x[1] = n+1; for(int i = 2; i < m+2; i++){ cin >> x[i]; } sort(x, x+(m+2)); int z = INF; for(int i = 1; i < m+2; i++){ int diff = x[i]-x[i-1]-1; if(diff) z = min(z, diff); } ll ans = 0; for(int i = 1; i < m+2; i++){ int diff = x[i]-x[i-1]-1; ans += (diff + z - 1)/z; } cout << ans << nn; return 0; }
// Pratiyush Mishra #include <bits/stdc++.h> #define ull unsigned long long int #define ll long long int #define LL_MAX 9223372036854775807 #define pb push_back #define pf push_front #define mp make_pair #define popb pop_back #define vl vector<ll> #define pl pair<ll,ll> #define bs(v, x) binary_search(v.begin(), v.end(), x) #define mem1(a) memset(a, -1, sizeof(a)) #define popf pop_front #define p0(x) cout << x << " " #define p1(x) cout << x << '\n' #define p2(x, y) cout << x << " " << y << '\n' #define p3(x, y, z) cout << x << " " << y << " " << z << '\n' #define printv(v) \ for (ll i = 0; i < v.size(); ++i) \ cout << v[i] << " "; \ cout << '\n' #define pr1(x) cout << fixed << setprecision(15) << x << '\n' #define ordered_set tree<pair<ll, ll>, null_type, less<pair<ll, ll>>, rb_tree_tag, tree_order_statistics_node_update> // ordered_set s ; s.order_of_key(val) no. of elements strictly less than val // s.find_by_order(i) itertor to ith element (0 indexed) #define mod 1000000007 #define mod1 998244353 #define fio \ ios_base::sync_with_stdio(false); \ cin.tie(NULL) #define get(n) \ ll n; \ cin >> n #define getvec(v, n) \ vector<ll> v(n); \ for (ll i = 0; i < n; i++) \ cin >> v[i]; #define getstr(s) \ string s; \ cin >> s #define all(x) x.begin(), x.end() #define countBits(x) __builtin_popcount(x) using namespace std; ll n, m; vl a, b; vector<vl> dp; ll solve(ll i, ll j) { if (i >= n) return m - j; if (j >= m) return n - i; if (dp[i][j] != -1) return dp[i][j]; ll ans1 = (a[i] != b[j]) + solve(i + 1, j + 1); ll ans2 = solve(i + 1, j) + 1; ll ans3 = solve(i, j + 1) + 1; ll ans = min(ans1, min(ans2, ans3)); dp[i][j] = ans; return ans; } void mainSolve() { cin >> n >> m; dp.resize(n, vl(m, -1)); for (int i = 0; i < n; i++) { get(x); a.pb(x); } for (int i = 0; i < m; i++) { get(x); b.pb(x); } ll ans = solve(0, 0); p1(ans); } int main() { fio; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif //get(t); ll t = 1; while (t--) { mainSolve(); } return 0; }
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define printVec(v) printf("{"); for (const auto& i : v) { std::cout << i << ", "; } printf("}\n"); #define all(v) (v).begin(),(v).end() #define debug(x) cout << #x << ": " << x << '\n'; #define degreeToRadian(deg) (((deg)/360)*2*M_PI) #define radianTodegree(rad) (((rad)/2/M_PI)*360) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; using ll = long long; using P = pair<int,int>; using PL = pair<ll, ll>; const ll INF = 1LL<<60; const int MOD = 1e9 + 7; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; struct UnionFind { int n; vector<int> a; vector<int> sz; UnionFind(int _n) : n(_n), a(_n), sz(_n, 1) { for(int i = 0; i < _n; i++) a[i] = i; } int root(int x) { if (a[x] == x) return x; return a[x] = root(a[x]); } void unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return; if (sz[rx] < sz[ry]) swap(rx, ry); sz[rx] += sz[ry]; a[ry] = rx; } bool same(int x, int y) { int rx = root(x); int ry = root(y); return rx == ry; } int size(int x) { return sz[root(x)]; } map<int, vector<int>> groups() { map<int, vector<int>> group; rep (i, n) root(i); rep (i, n) group[a[i]].push_back(i); return group; } }; int main() { //cin.tie(0);ios::sync_with_stdio(false); //cout << fixed << setprecision(15); int N, M; cin >> N >> M; UnionFind uf(N); vector<int> a(N), b(N); rep (i, N) cin >> a[i]; rep (i, N) cin >> b[i]; rep (i, M) { int c, d; cin >> c >> d; --c; --d; uf.unite(c, d); } for (auto v : uf.groups()) { ll x = 0, y = 0; for (auto vv : v.second) { x += a[vv]; y += b[vv]; } if (x == y) continue; cout << "No" << endl; return 0; } cout << "Yes" << endl; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> #define pi 3.141592653589793238 #define int long long #define ll long long #define ld long double using namespace __gnu_pbds; using namespace std; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count()); long long powm(long long a, long long b,long long mod) { long long res = 1; while (b > 0) { if (b & 1) res = res * a %mod; a = a * a %mod; b >>= 1; } return res; } ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(0); #ifndef ONLINE_JUDGE if(fopen("INPUT.txt","r")) { freopen("INPUT.txt","r",stdin); freopen("OUTPUT.txt","w",stdout); } #endif int k,n,m; cin>>k>>n>>m; int a[k+1]; for(int i=1;i<=k;i++) cin>>a[i]; int l=0,r=1e18; int mnf=r+1; while(l<=r) { int mid=l+(r-l)/2; int mn[k+1]={0}; int mx[k+1]={0}; int tot1=0; int tot2=0; for(int i=1;i<=k;i++) { int z1=mid+a[i]*m; z1/=n; int z2=-mid+a[i]*m; z2=(z2+n-1)/n; mn[i]=max(0LL,z2); mx[i]=min(z1,m); tot1+=mx[i]; tot2+=mn[i]; } if(tot1>=m && m>=tot2) { mnf=min(mnf,mid); r=mid-1; } else { l=mid+1; } } int mn[k+1]; int mx[k+1]; int sum1[k+1]={0}; int sum2[k+1]={0}; vector<int>ans; for(int i=1;i<=k;i++) { int z1=mnf+a[i]*m; z1/=n; int z2=-mnf+a[i]*m; z2=(z2+n-1)/n; mn[i]=max(0LL,z2); mx[i]=min(z1,m); sum1[i]=sum1[i-1]+mx[i]; sum2[i]=sum2[i-1]+mn[i]; } for(int i=k;i>=1;i--) { int z1=m-sum1[i-1]; int z2=m-sum2[i-1]; z1=max(mn[i],z1); z2=min(mx[i],z2); ans.push_back(z1); m-=z1; } reverse(ans.begin(),ans.end()); for(auto i:ans) cout<<i<<" "; }
#include <bits/stdc++.h> using namespace std; typedef long double LD; typedef pair<LD, LD> PDD; const LD eps = 1e-6; int main() { int n, m, k; scanf("%d %d %d", &n, &m, &k); vector<int> a(k + 1), vis(n + 1); for (int i = 1; i <= k; i++) scanf("%d", &a[i]), vis[a[i]] = 1; vector<PDD> suf(n + m + 1, {0.0, 0.0}), f(n + 1); for (int i = n - 1; i >= 0; i--) { if (vis[i]) f[i] = (PDD){1.0, 0.0}; else f[i] = (PDD){(suf[i + 1].first - suf[i + m + 1].first) / m, (suf[i + 1].second - suf[i + m + 1].second) / m + 1.0}; suf[i] = (PDD){suf[i + 1].first + f[i].first, suf[i + 1].second + f[i].second}; } if (abs(f[0].first - 1.0) < eps) printf("-1\n"); else printf("%.10Lf\n", f[0].second / (1.0 - f[0].first)); return 0; }
//include <atcoder> #include <iostream> #include <algorithm> #include <cmath> #include <tuple> #include <string> #include <vector> #include <queue> #include <deque> #include <stack> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #define flush fflush(stdout) #define endl '\n' #define all(v) v.begin(), v.end() #define pf(dans) printf("%.12lf", dans) #define pfn(dans) pf(dans); cout << endl; using namespace std; //using namespace atcoder; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> Pl; const int mod1 = (int)1e9 + 7, mod2 = (int)998244353; const int INF = (int)1e9 + 10; const ll LINF = (ll)1e18 + 10; const int di[8] = {1, 0, -1, 0, 1, 1, -1, -1}, dj[8] = {0, 1, 0, -1, -1, 1, -1, 1}; #define rep0(i, n) for (i = 0; i < n; i++) #define rep1(i, a, b) for (i = a; i < b; i++) template <typename T> T my_abs(T x){ return (x >= 0)? x : -x; } template <typename T> void chmax(T &a, T b){ a = max(a, b); } template <typename T> void chmin(T &a, T b){ a = min(a, b); } ll gcd(ll a, ll b){ if (a > b) return gcd(b, a); if (a == 0) return b; return gcd(b % a, a); } bool incld_bit(ll bit, int i){ return ((bit>>i) & 1) == 1; } // -------------------------------------------------------------------------------- int n; int x[20], y[20], z[20]; ll dp[(1<<17) + 3][20]; bool u[(1<<17) + 3][20] = {false}; int dist(int u, int v){ return my_abs(x[v] - x[u]) + my_abs(y[v] - y[u]) + max(0, z[v] - z[u]); } void dfs(int bit, int v){ int i; if (u[bit][v]){ return; } rep0(i, n){ if (i != v && incld_bit(bit, i)){ dfs(bit - (1<<v), i); chmin(dp[bit][v], dp[bit - (1<<v)][i] + dist(i, v)); } } u[bit][v] = true; } int main(void){ int i, j; cin >> n; rep0(i, n){ cin >> x[i] >> y[i] >> z[i]; } int bit; rep0(bit, 1<<n){ rep0(i, n){ dp[bit][i] = LINF; } } dp[1][0] = 0; ll ans; ans = LINF; rep0(i, n){ dfs((1<<n) - 1, i); chmin(ans, dp[(1<<n) - 1][i] + dist(i, 0)); } cout << ans << endl; return 0; }