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#include<bits/stdc++.h> #define qc ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define rt return #define fi first #define se second #define yes cout<<"YES\n"; #define no cout<<"NO\n"; typedef long long ll; using namespace std; ll dig(ll n) { ll ans=0; while(n>0){ n/=10;ans++; }rt ans; } ll ten(ll n) { ll ans=1; while(n--){ ans*=10; } rt ans; } int main(){ qc ll n;cin>>n; ll d=dig(n); if(d==1)cout<<0; else if(d%2==1){ d/=2; for(ll i=0;i<d;i++){ cout<<9; } } else{ ll a=n/ten(d/2); n%=ten(d/2); if(a>n)cout<<a-1; else cout<<a; } rt 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ ll n; cin >> n; ll limit = (log10(n)+1)/2; ll ans = n/pow(10,limit); //cout << ans << " " << limit <<" " << endl; ll temp = ans; while(temp*pow(10,limit)+temp>n){ temp--; ans--; limit = log10(temp)+1; } cout << ans << endl; return 0; }
#include <algorithm> #include <cmath> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> #define pb push_back #define rep(i, n) for (int i = 0; i < (n); i++) #define reps(i, n, s) for (int i = (s); i < (n); i++) #define rrep(i, n) for (int i = (n - 1); i >= 0; i--) #define rreps(i, n, s) for (int i = s; i >= n; i--) using ll = long long; using namespace std; constexpr long long MAX = 5100000; constexpr long long INF = 1LL << 60; constexpr int MOD = 1000000007; int main() { cin.tie(0); ios::sync_with_stdio(false); int a, b, x, y; cin >> a >> b >> x >> y; int res = 0; int u = 2 * x < y ? 2 * x : y; if (a > b) { res += u * (a - b - 1) + x; } else { res += u * (b - a) + x; } cout << res << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define fr first #define sc second #define pb push_back int a, b, x, y, ans; int main(){ cin>>a>>b>>x>>y; if(a < b){ ans = min((b-a)*y,(b-a)*2*x) + x; } else if(a > b){ ans = min((a-b-1)*y,(a-b-1)*2*x) + x; } else{ ans = x; } cout<<ans<<endl; return 0; }
#include <iostream> #include <iomanip> #include <algorithm> #include <assert.h> #include <complex> #include <utility> #include <vector> #include <string> #include <stack> #include <queue> #include <tuple> #include <cmath> #include <bitset> #include <cctype> #include <set> #include <map> #include <unordered_map> #include <numeric> #include <functional> #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) repi(i,0,n) #define repi(i,a,b) for(ll i=ll(a);i<ll(b);++i) #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__) #define rrep(i,a) for(ll i=ll(a-1);i>=0;--i) #define all(x) (x).begin(),(x).end() #define PRINT(V) cout << V << "\n" #define SORT(V) sort((V).begin(),(V).end()) #define RSORT(V) sort((V).rbegin(), (V).rend()) using namespace std; using ll = long long; 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; } inline void Yes(bool condition){ if(condition) PRINT("Yes"); else PRINT("No"); } template<class itr> void cins(itr first,itr last){ for (auto i = first;i != last;i++){ cin >> (*i); } } template<class itr> void array_output(itr start,itr goal){ string ans = "",k = " "; for (auto i = start;i != goal;i++) ans += to_string(*i)+k; if (!ans.empty()) ans.pop_back(); PRINT(ans); } ll gcd(ll a, ll b) { return a ? gcd(b%a,a) : b; } const ll INF = 1e18; const ll MOD = 1000000007; const ll MOD2 = 998244353; const ll MOD3 = 1e6; const ll EPS = 1e-10; int sgn(const double a){ return (a < -EPS ? -1 : (a > EPS ? +1 : 0)); } typedef pair<int,int> pi; typedef pair<ll,ll> P; typedef tuple<ll,ll,ll> tri; typedef pair<double,double> point; typedef complex<double> Point; const ll MAX = 200005; constexpr ll nx[4] = {-1,0,1,0}; constexpr ll ny[4] = {0,1,0,-1}; class BIT{ private: vector<ll> bit; ll size; public: BIT(ll n){ bit.resize(n+1); size = n; } ll sum(ll i){ ll res = 0; while(i > 0){ res += bit[i]; i -= i&-i; } return res; } void add(ll i,ll x){ while(i <= size){ bit[i] += x; i += i&-i; } } }; int main(){ ll h,w,m; cin >> h >> w >> m; vector<vector<ll>> x(h); vector<ll> y(w,h); ll ox = h,oy = w; rep(i,m){ ll s,t; cin >> s >> t; s--,t--; x[s].push_back(t); chmin(y[t],s); if (s == 0) chmin(oy,t); if (t == 0) chmin(ox,s); } rep(i,h){ x[i].push_back(w); SORT(x[i]); } ll ans = 0; BIT a(w+1); rep(i,ox){ if (i == 0){ rep(j,x[i][0]+1,w+1){ a.add(j,1); } } else{ for (ll ind:x[i]){ if (a.sum(ind+1)-a.sum(ind) == 0){ a.add(ind+1,1); } } } ans += x[i][0]-(x[i][0]-a.sum(x[i][0])); //PRINT(x[i][0] << " " << a.sum(x[i][0])); } rep(i,oy){ ans += y[i]; } PRINT(ans); }
#include <algorithm> #include <cmath> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> #define pb push_back #define rep(i, n) for (int i = 0; i < (n); i++) #define reps(i, n, s) for (int i = (s); i < (n); i++) #define rrep(i, n) for (int i = (n - 1); i >= 0; i--) #define rreps(i, n, s) for (int i = s; i >= n; i--) using ll = long long; using namespace std; constexpr long long MAX = 5100000; constexpr long long INF = 1LL << 60; constexpr int MOD = 1000000007; int main() { cin.tie(0); ios::sync_with_stdio(false); ll n, m; cin >> n >> m; vector<vector<ll>> G(n); rep(i, m) { int a, b; cin >> a >> b; a--, b--; G[a].pb(b); G[b].pb(a); } int k; cin >> k; vector<ll> c(k); set<int> p; rep(i, k) { cin >> c[i]; c[i]--; p.insert(c[i]); } vector<vector<ll>> dist(k, vector<ll>(k)); queue<ll> q; rep(i, k) { q.push(c[i]); vector<ll> tmp_dist(n, INF); tmp_dist[c[i]] = 0; while (!q.empty()) { ll crr = q.front(); q.pop(); for (auto next : G[crr]) { if (tmp_dist[crr] + 1 < tmp_dist[next]) { tmp_dist[next] = tmp_dist[crr] + 1; q.push(next); } } } rep(j, k) dist[i][j] = tmp_dist[c[j]]; } // bitdp ll max_s = 1 << k; vector<vector<ll>> dp(max_s, vector<ll>(k, INF)); rep(i, k) dp[1 << i][i] = 1; reps(bit, max_s, 1) { rep(i, k) { if ((bit >> i) & 1) { ll target_bit = 1 << i; ll bit2 = bit ^ target_bit; rep(j, k) { if ((bit2 >> j) & 1) { dp[bit][i] = min(dp[bit][i], dp[bit2][j] + dist[i][j]); } } } } } ll res = INF; for (ll val : dp[max_s - 1]) res = min(res, val); if (res == INF) res = -1; cout << res << endl; return 0; }
// #include <atcoder/all> #include <bits/stdc++.h> using namespace std; // using namespace atcoder; #define rep(i, n) for(int i = 0; i < (n); ++i) #define repr(i, n) for(int i = (n-1); i >= 0; --i) 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; } typedef long long ll; typedef pair<int, int> P; const int MAX = 200005; const int INF = 1001001001; const int MOD = 1000000007; int main(){ int N, K; cin >> N >> K; ll ans = 0; for (int x = 2; x <= 2*N; ++x) { int y = x - K; if (y < 2 || 2*N < y) continue; ans += (ll)(x-1 - max(0, (x-N-1) * 2)) * (y-1 - max(0, (y-N-1) * 2)); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #pragma optimize("-O3") #define int long long int #define f first #define s second #define pb push_back #define endl '\n' const int MOD=998244353; int n, m; int po[5005][5005]; main() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin>>n>>m; int tot=n; for(int i=0; i<5005; i++){ po[i][0]=1; } po[0][0]=1; for(int i=1; i<5005; i++){ for(int j=1; j<5005; j++){ po[i][j]=(i*po[i][j-1])%MOD; } } for(int i=0; i<n; i++){ tot=(tot*m)%MOD; } for(int i=0; i<=n-2; i++){ int val=n-i-1; for(int j=1; j<=m; j++){ int val=((((n-i-1)*po[m-j][i])%MOD)*po[m][n-i-2])%MOD; tot=(tot-val+MOD)%MOD; } } cout<<tot; return 0; }
#include <bits/stdc++.h> using namespace std; using vi = vector<int>; using ll = long long; using vl = vector<long long>; using vi = vector<int>; int main(){ string s; cin >> s; string tmp1="",tmp2; int c = s.size(); bool flag = false; for(int ix=0;ix<c;ix++){ if(s.at(c-ix-1) != '0' || flag == true){ tmp1 = s.at(c-ix-1) + tmp1; flag = true; } } //cout << tmp1 << endl; tmp2 = tmp1; reverse(tmp2.begin(),tmp2.end()); if(tmp1 == tmp2){ cout << "Yes" << endl; } else{ cout << "No" << endl; } }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; ll gcd(ll a, ll b){return b? gcd(b, a % b): a;} ll quickpow(ll a, ll b){ll res = 1; while(b){if (b & 1) res = res * a; a = a * a; b >>= 1;} return res;} // head string s; int main(void){ ios::sync_with_stdio(false); cin.tie(0); cin >> s; for (auto it: s) { if (it == '.') break; cout << it; } cout << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); char s,t; cin>>s>>t; if(s=='Y')cout<<char(toupper(t))<<endl; else cout<<t<<endl; return 0; }
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#include<atcoder/all> #include<iostream> #include<cstdint> #include<cstddef> using namespace std; //using namespace atcoder; using i32 = int_fast32_t; using i64 = int_fast64_t; using usize = uint_fast64_t; #define rep(i, n) for (usize i = 0; i < (usize)(n); i++) #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() using P = pair<i64,i64>; int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); char a; char b; cin >> a >> b; if(a == 'Y'){ if(b == 'a')cout << 'A' << endl; else if(b == 'b')cout << 'B' << endl; else cout << 'C' << endl; }else{ cout << b << endl; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vll = vector<long long>; int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; constexpr long long mod = 1000000007; #define rep(i, n) for (int i = 0; i < n; i++) int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<string> v(n); rep(i, n) cin >> v[i]; string ss = "atcoder"; rep(i, n) { if (ss >= v[i]) { bool b = true; int ind = 0; rep(j, v[i].size()) { if (v[i][j] != 'a') { if (v[i][j] > 't') { ind = j - 1; } else { ind = j; } b = false; break; } } if (b) { cout << -1 << endl; } else { cout << ind << endl; } } else { cout << 0 << endl; } } }
#include <bits/stdc++.h> using namespace std; // overflow prob #define int long long #define p_queue priority_queue #define all(n) n.begin(),n.end() #define gcd(x,y) __gcd(x,y) #define findString(s,x) s.find(x)!=string::npos #define maxe(x) *max_element(all(x)) #define mine(x) *min_element(all(x)) #define rall(n) n.rbegin(),n.rend() #define FAST_IO ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);cout << fixed << setprecision(10); #define next cout<<"\n" template<typename T> void debug(vector<T> &array, bool IsSorted) { if (IsSorted) sort(all(array)); for (int i = 0 ; i < array.size() ; i++) { cout << array[i] << " "; } next; } template<typename T> T max(T &a, T &b) { return a > b ? a : b; } template<typename T> T min(T &a, T &b) { return a > b ? b : a; } template<typename T> T maxthree(T &a, T &b, T &c) { return max(a, max(b, c)); } template<typename T> T minThree(T &a, T &b, T &c) { return min(a, min(b, c)); } const double pi = 3.141592653589793238; const int INF = 1e9; const int32_t M = 1e9 + 7; const int32_t MM = 998244353; const int N = 1e5 + 5; const int32_t maxn = N; void solve(); signed main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif FAST_IO int T = 1; // cin >> T; while (T--) solve(); } //.........................................................MainCode.............................................................................. // solving for base void solve() { string x; cin >> x; int m; cin >> m; if (x.size() == 1) { cout << (x[0] - '0' <= m ? '1' : '0'); return; } int d = 0; for (int i = 0 ; i < x.size(); i++) { d = max(d, (int)x[i] - '0'); } // max element int ng = 2e18; int ok = d; while (ng - ok > 1) { int mid = ok + (ng - ok) / 2; int res = 0; bool jdg = true; for (int i = 0 ; i < x.size() ; i++) { if (res >= 2e18 / mid) { ng = mid; jdg = false; break; } res *= mid; res += (x[i] - '0'); } if (jdg) { if (res > m) ng = mid; else ok = mid; } } cout << ok - d << endl; }
#include<bits/stdc++.h> using namespace std; using ll = long long; int main() { ll N,M,X,Y; cin >> N >> M; vector<pair<ll,ll>> P; set<ll> A,B,S; S.insert(N); for (int i =0; i<M; i++) { cin >> X >> Y; P.push_back({X,Y});} sort(P.begin(),P.end()); ll tmp = 0,cnt; while (tmp < M) { A.clear(); B.clear(); cnt = tmp; while (cnt < M) { if (P[cnt].first == P[tmp].first) cnt++; else break; } for (int i =tmp; i<cnt; i++) { ll tmpY = P[i].second; if (S.find(tmpY)==S.end()) { if (S.find(tmpY-1)!=S.end() || S.find(tmpY+1)!=S.end()) A.insert(tmpY); } else { if (S.find(tmpY-1)==S.end() && S.find(tmpY+1)==S.end()) B.insert(tmpY); } } for (auto x: A) S.insert(x); for (auto x: B) S.erase(x); tmp = cnt; } cout << S.size() << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define vec vector<int> #define vecp vector<pair<int,int>> #define ll long long #define ull unsigned long long #define pb push_back #define fr first #define sc second #define fr1(i,a,b) for(int i=a;i<b;i++) #define fr2(i,a,b) for(int i=a;i>=b;i--) #define fr3(i,a,b) for(int i=a;i<=b;i++) #define umap unordered_map<int,int,custom_hash> #define omap map<int,int> #define uset unordered_set<int,custom_hash> #define oset set<int> #define pr pair<int,int> #define mod 1000000007 #define mp make_pair #define all(v) v.begin(),v.end() #define ppb pop_back struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; void solve() { int n,m,q; cin>>n>>m>>q; vecp v(n); fr1(i,0,n)cin>>v[i].sc>>v[i].fr; sort(all(v),greater<pair<int,int>>()); vec box(m); fr1(i,0,m)cin>>box[i]; fr1(i,0,q) { int l,r; cin>>l>>r; vec cap; fr1(i,0,m) { if(i>=l-1&&i<=r-1)continue; cap.pb(box[i]); } ll ans=0; vector<bool> var(cap.size(),true); fr1(i,0,n) { int val=INT_MAX,index1=-1,index2=-1; for(int j=0;j<cap.size();j++) { if(var[j]&&cap[j]>=v[i].sc&&cap[j]-v[i].sc<val) { val=cap[j]-v[i].sc; index1=j; index2=v[i].fr; } } if(index1>=0) { var[index1]=false; ans+=index2; } } cout<<ans<<"\n"; } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t=1; //cin>>t; fr3(i,1,t){ //cout<<"Case: "<<t<<; solve(); } return 0; }
#include <iostream> #include <vector> #include <algorithm> #include <map> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; void solve_WA() { int N; cin >> N; vector<int> A(N + 1); //vector<int> ac(N + 1, 0); map<int, int>ac; /* 1 5 3 2 5 2 3 1の場合はOK ※連結成分が1のみ 1 5 3 2 5 4 6 1の場合はNG ※連結成分が2以上 */ for (size_t i = 1; i < N+1; i++) { cin >> A[i]; } int l, r; int m = N / 2; for ( l = 1,r=N; l <= m; l++, r--) { if (A[l] != A[r]) { ac[A[l]]++; ac[A[r]]++; } } //vector<P> co; int ans = 0; if (N == 1 || ac.size() == 0) { ans = 0; } else { ans = ac.size() - 1; } cout << ans << endl; //return 0; } template <typename T> struct UnionFind { vector<T> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(T N) : par(N) { //最初は全てが根であるとして初期化 for (T i = 0; i < N; i++) par[i] = i; } int root(T x) { // データxが属する木の根を再帰で得る:root(x) = {xの木の根} if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(T x, T y) { // xとyの木を併合 T rx = root(x); //xの根をrx T ry = root(y); //yの根をry if (rx == ry) return; //xとyの根が同じ(=同じ木にある)時はそのまま par[rx] = ry; //xとyの根が同じでない(=同じ木にない)時:xの根rxをyの根ryにつける } bool same(T x, T y) { // 2つのデータx, yが属する木が同じならtrueを返す T rx = root(x); T ry = root(y); return rx == ry; } vector<vector<T>> linked_group() { vector<vector<T>> group(par.size()); for (T i = 0; i < par.size(); i++) { T r = root(par[i]); group[r].emplace_back(i); } return group; } }; void solve() { int N; cin >> N; vector<int> A(N + 1); map<int, int>ac; for (size_t i = 1; i < N + 1; i++) { cin >> A[i]; } int l, r; int m = N / 2; UnionFind<int> uf(2*1e5+1); for (l = 1, r = N; l <= m; l++, r--) { if (A[l] != A[r]) { uf.unite(A[l], A[r]); } } vector<vector<int>> lg = uf.linked_group(); int ans = 0; for (auto g : lg) { if (1 < g.size()) { ans += g.size() - 1; } } cout << ans << endl; } int main() { solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 #define MOD2 998244353 #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define reps(i,s,n) for (int i = (int)(s); i < (int)(n); i++) #define pr(a) cout << a #define prl(a) cout << (a) << endl #define prld(a) cout << setprecision(15)<< (a) << endl #define allrange(a) a.begin(),a.end() struct GrowedUnionFind { std::unordered_map<int,int> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 std::unordered_set<int> keys; int ccnum; //連結成分の個数 GrowedUnionFind():par(),keys(){ ccnum =0;} void insert(int x) { if(!find(x)){ keys.insert(x); par[x]=x; ccnum++; } } bool find(int x) //元が入っているか探す。平均o(1) { return keys.count(x)==1; } int root(int x) { // データxが属する木の根を再帰で得る:root(x) = {xの木の根} if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y) { // xとyの木を併合 int rx = root(x); //xの根をrx int ry = root(y); //yの根をry if (rx == ry) return; //xとyの根が同じ(=同じ木にある)時はそのまま par[rx] = ry; //xとyの根が同じでない(=同じ木にない)時:xの根rxをyの根ryにつける ccnum--; } bool same(int x, int y) { // 2つのデータx, yが属する木が同じならtrueを返す int rx = root(x); int ry = root(y); return rx == ry; } }; int main(){ std::cin.tie(0); // cinとcoutの同期を解除 std::ios::sync_with_stdio(false); //1変数入力 int N; cin >> N; bool flg=false; int ans; vector<int> A(N/2); vector<int> B(N/2); int j = N%2;//パリティ rep(i,N){ if(i<N/2) cin >> A[i]; else if(i>=N/2+j) cin >> B[i-N/2-j]; else if(j==1 && i == N/2) cin >> ans; //捨て } ans=0; reverse(allrange(A)); int n = N/2; GrowedUnionFind V; rep(i,n){ if(A[i] != B[i]) { V.insert(A[i]);V.insert(B[i]);V.unite(A[i],B[i]);} } //次数1の頂点はつぶせる //triangleが多くつぶせるといい //写像で頂点をつぶす射影写像の合成回数の問題 //射影写像自体は可換なので, 実は順番はあまり関係ない //非連結成分はくっつける必要はない.  //連結成分同士を1点に潰せればいい. // 頂点数-連結成分の個数 ans = V.keys.size()-V.ccnum; flg = true; if(flg) prl(ans); else prl(-1); }
/** This won't be the end of me */ #include <iostream> #include <algorithm> #define endl '\n' #define FAST ios::sync_with_stdio(0);cin.tie(0); #define pb push_back #define ppb pop_back #define F first #define S second #define mt make_tuple #define pii pair<int, int> #define pll pair<long long, long long> #define mod 1000000007 typedef long long ll; typedef unsigned long long ull; using namespace std; int mx, k, m, n; int a[100], b[100], c[16], d[16], dish[101]; void loop() { int cnt = 0; for(size_t i = 0; i < m; ++i) { if(dish[a[i]] && dish[b[i]]) ++cnt; } mx = max(mx, cnt); // cout << "max == " << mx << endl; } void check(int row, bool val) { val == true ? ++dish[d[row]] : ++dish[c[row]]; // cout << "incremented " << (val == true? d[row] : c[row]) << endl; if(row == k-1) // base case loop(); if(row+1 < k) { check(row+1, false); check(row+1, true); } val == true ? --dish[d[row]] : --dish[c[row]]; // cout << "decremented " << (val == true? d[row] : c[row]) << endl; } void solve() { int i, j, l; cin >> n >> m; for(i = 0; i < m; ++i) cin >> a[i] >> b[i]; cin >> k; for(i = 0; i < k; ++i) cin >> c[i] >> d[i]; check(0, false); // activate c[row] check(0, true); // activate d[row] cout << mx; } int main() { FAST // int t; cin >> t; while(t--){ solve(); // } return 0; }
#include <bits/stdc++.h> using namespace std; using ll=long long; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using pl = pair<ll,ll>; using pi = pair<int,int>; #define all(x) x.begin(),x.end() #define rep(i,j,n) for (long long i = j; i < (long long)(n); i++) #define _GLIBCXX_DEBUG #define Please return #define AC 0 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; } //(a+b-1)/b //priority_queue<ll, vector<ll>, greater<ll>> q; signed main(){ //cout << fixed << setprecision(10); int n,m; cin >> n >> m; vi a(m),b(m); rep(i,0,m)cin >> a[i] >> b[i]; int k; cin >> k; vi c(k),d(k); rep(i,0,k){ cin >> c[i] >> d[i]; } int ans = 0; rep(i,0,(1<<k)){ int tmp = 0; vi v(n); rep(j,0,k){ if(i>>j&1){ v[d[j]-1] = 1; } else{ v[c[j]-1] = 1; } } rep(i,0,m){ tmp += (v[a[i]-1]&&v[b[i]-1]); } chmax(ans,tmp); } cout << ans << endl; Please AC; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> pll; typedef pair<int, int> pii; int main() { int n; cin >> n; cout << n - 1; }
#include<iostream> #include<bits/stdc++.h> #define forf(i,start,n,increment) for(int i = start;i<n;i+=increment) #define all(i) i.begin(),i.end() #define traverse(container,it) for(typeof(container.begin()) it = container.begin();it != container.end();it++) using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n; cin>>n; if(n%2 == 0) cout<<(n/2-1)*2+1; else cout<<(n/2)*2; return 0; }
#include<iostream> #include<vector> #include<algorithm> #include<stdlib.h> #include<utility> #include<functional> #include<cfenv> #include<cmath> #include<string> #include<queue> #include<stack> #include<map> #include<set> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define vint vector<int> #define vvint vector<vint> #define P pair<int,int> #define INT_MAX 2147483647 #define MOD 1000000007 #define PI 3.14159265358979323846 #define all(a) (a).begin(),(a).end() using namespace std; typedef long long ll; #define MAX 1000000000000 int main(void) { char s,t; cin >> s>>t; if (s == 'Y') { cout << char(t -32) << endl; } else { cout << t << endl; } return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long int ll; typedef unsigned long long int ull; typedef long double ld; #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() #define pb push_back #define pob pop_back #define eb emplace_back #define ins insert #define mp make_pair #define ff first #define ss second #define pf push_front #define bs binary_search #define lb lower_bound #define ub upper_bound #define sz(a) (ll)a.size() #define dec(x) fixed<<setprecision(x) #define lcm(a,b) (a*b/__gcd(a,b)) typedef priority_queue<ll> pq; typedef priority_queue<ll,vector<ll>,greater<ll> > pqmn; typedef pair<ll,ll> pll; typedef vector<ll> vll; typedef vector<pll> vpll; typedef vector<vector<ll> > vvll; typedef vector<string> vs; typedef set<ll> sll; typedef set<pll> spll; typedef map<ll,ll> mll; const ll inf=LLONG_MAX; const ll mod=1e9+7; const ld pi=acos(-1); const ll N=100001; void solution() { ll x,y; cin >> x>> y; if(x == y) { cout << x; } else { cout << 3 - (x + y); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t; t=1; //cin>>t; for(ll i = 1; i <= t ; i++) { // cout << "Case #" << i <<": "; solution(); cout << "\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N, K; cin >> N >> K; long long ans = N * (N + 1) * K * 100 + K * (K + 1) * N; ans /= 2; cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define REP(i, n) for (int i = 0; i < (n); ++i) #define REPR(i, n) for (int i = n - 1; i >= 0; --i) #define FOR(i, m, n) for (int i = m; i < n; ++i) #define FORR(i, m, n) for (int i = m; i >= n; --i) #define ALL(v) (v).begin(),(v).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; } const ll INF=1LL<<60; const int inf=(1<<30)-1; const int mod=1e9+7; int dx[8]={1,0,-1,0,-1,-1,1,1}; int dy[8]={0,1,0,-1,-1,1,-1,1}; int main(){ cin.tie(0); ios::sync_with_stdio(false); int n,k;cin >> n >> k; int ans=0; FOR(i,1,n+1) FOR(j,1,k+1){ ans+=100*i+j; } cout << ans << endl; }
#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 int INF = 1<<30; 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; } /* 二次元配列 vector<vector<Type>> vv(n, vector<Type>(m, d)); vector<vector<ll>> vv(n, vector<ll>(m, d)); */ struct UnionFind { vector<int> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(int N) : par(N) { //最初は全てが根であるとして初期化 for(int i = 0; i < N; i++) par[i] = i; } int root(int x) { // データxが属する木の根を再帰で得る:root(x) = {xの木の根} if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y) { // xとyの木を併合 int rx = root(x); //xの根をrx int ry = root(y); //yの根をry if (rx == ry) return; //xとyの根が同じ(=同じ木にある)時はそのまま par[rx] = ry; //xとyの根が同じでない(=同じ木にない)時:xの根rxをyの根ryにつける } bool same(int x, int y) { // 2つのデータx, yが属する木が同じならtrueを返す int rx = root(x); int ry = root(y); return rx == ry; } }; int main(){ ll n, q; cin >> n >> q; UnionFind tree(n); vector<unordered_map<ll, ll>> cn(n); int c; rep(i, n){ cin >> c; c--; cn[i][c] = 1; } rep(i, q){ ll a, x, y; cin >> a >> x >> y; x -= 1; y -= 1; if(a == 1){ ll root_x = tree.root(x); ll root_y = tree.root(y); if(!tree.same(root_x, root_y)){ // マージテク (要素の大きさが小さい方を移動させることで計算量を少なくする。) if(cn[tree.root(y)].size() < cn[tree.root(x)].size()) swap(root_x, root_y); tree.unite(root_x, root_y); // yが根になる for(auto [key, value] : cn[root_x]){ cn[tree.root(y)][key] += value; } } }else{ // a == 2 Output(cn[tree.root(x)][y]); } } return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define all(x) (x).begin(), (x).end() #define pb push_back #define pii pair<int, int> #define ff first #define ss second #define PI acos(-1) #define ld long double const int mod = 1e9+7, N = 2e5+5; int msb(int val){return sizeof(int)*8-__builtin_clzll(val);} int n, m, k; struct dsu{ vector<int> p, rnk; dsu(int n){ p.assign(n, 0); rnk.assign(n,0); for(int i=0;i<n;i++)p[i]=i; } int par(int u){ if(p[u]==u)return u; else return p[u] = par(p[u]); } int merge(int u, int v){ u = par(u); v = par(v); if(rnk[u] > rnk[v]){ p[v] = u; rnk[u]++; return u; }else { p[u] = v; rnk[v]++; return v; } } }; int a[N]; map<int, int> t[N]; void solve(int test_case){ int i, j, q; cin >> n >> q; for(i=0;i<n;i++){ cin >> a[i]; a[i]--; t[i][a[i]]=1; } dsu d(n); while(q--){ int typ, x, y; cin >> typ >> x >> y; x--,y--; if(typ == 1){ x = d.par(x), y = d.par(y); if(x == y)continue; int u = d.merge(x, y); if(u != x)swap(x, y); for(auto [f, s] : t[y])t[u][f] += s; }else { cout << t[d.par(x)][y] << '\n'; } } } signed main(){ FASTIO; #define MULTITEST 0 #if MULTITEST int ___T; cin >> ___T; for(int T_CASE = 1; T_CASE <= ___T; T_CASE++) solve(T_CASE); #else solve(1); #endif return 0; }
#include <bits/stdc++.h> #define lowbit(x) ((x)&(-x)) using namespace std; typedef long long ll; typedef pair<int,int> P; const int N=160; const int mod=1000000007; int a,b; int main() { cin>>a>>b; int ans=1; for(int i=b;i>=1;i--) { int r=b/i; int l=(a+i-1)/i; // cout<<i<<" "<<l<<" "<<r<<endl; if(r-l+1>=2) { ans=i; break; } } cout<<ans<<endl; return 0; }
#include<stdlib.h> #include <cmath> #include <functional> #include <fstream> #include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <map> #include <list> #include <time.h> #include <math.h> #include <random> #include <deque> #include <queue> #include <cassert> #include <unordered_map> #include <unordered_set> #include <iomanip> #include <bitset> #include <sstream> #include <chrono> #include <cstring> #include <stack> #include<stdlib.h> #include<stdio.h> #include <sstream> #include <inttypes.h> #include<climits> //#include<bits/stdc++.h> using namespace std; typedef long long ll; //typedef unsigned long long int llt; const int M = 1e6; ll min(int x , int y){ return ( x<y ? x:y); } int max(int x , int y){ return ( x<y ? y:x); } int gcd(int a, int b) { if (b == 0) return a; return gcd(b, a % b); } // Function to return LCM of two numbers ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; } int findMaxGCD(int arr[], int n) { // Calculating MAX in array int high = 0; for (int i = 0; i < n; i++) high = max(high, arr[i]); // Maintaining count array int count[high + 1]; for(int i=0;i<=high;i++){ count[i]=0; } for (int i = 0; i < n; i++) count[arr[i]]++; // Variable to store the // multiples of a number int counter = 0; // Iterating from MAX to 1 // GCD is always between // MAX and 1. The first // GCD found will be the // highest as we are // decrementing the potential // GCD for (int i = high; i >= 1; i--) { int j = i; counter = 0; // Iterating from current // potential GCD // till it is less than // MAX while (j <= high) { // A multiple found if(count[j] >=2) return j; else if (count[j] == 1) counter++; // Incrementing potential // GCD by itself // To check i, 2i, 3i.... j += i; // 2 multiples found, // max GCD found if (counter == 2) return i; } } } void solve(){ int a,b; cin>>a>>b; /* int mx=1; for(int i=b;i>a;i--){ int y =i; for(int j = y-1;j>=a;j--){ mx = max(mx , gcd(y,j)); } } cout<<mx<<endl; return;*/ int arr[b-a+1]; for(int i=0;i<(b-a+1);i++){ arr[i] = a+i; } cout<<findMaxGCD(arr , (b-a+1)); return; } int main() { ios::sync_with_stdio(false); cin.tie(0); solve(); return 0; }
#include <bits/stdc++.h> #define ll long long #define IOS ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define deb(x) cout<<#x<<"="<<x<<endl; #define endl '\n' #define M 1000000007 #define int long long #define F first #define S second #define INF 1e18 #define N 1000005 using namespace std; ll h, w, a, b; ll go(vector<vector<ll>> &v, ll i, ll j, ll a, ll b) { if (a < 0 || b < 0)return 0; if (j == w) { j = 0, ++i; } if (i == h) { return 1; } if (v[i][j] == 1) { return go(v, i, j + 1, a, b); } ll ans = 0; if (j + 1 < w && a > 0 && v[i][j] == 0 && v[i][j + 1] == 0) { v[i][j] = v[i][j + 1] = 1; ans += go(v, i, j + 1, a - 1, b); v[i][j] = v[i][j + 1] = 0; } if (i + 1 < h && a > 0 && v[i][j] == 0 && v[i + 1][j] == 0) { v[i][j] = v[i + 1][j] = 1; ans += go(v, i, j + 1, a - 1, b); v[i][j] = v[i + 1][j] = 0; } if (b > 0) { v[i][j] = 1; ans += go(v, i, j + 1, a, b - 1); v[i][j] = 0; } return ans; } void solve() { cin >> h >> w; cin >> a >> b; vector<vector<ll>> v = vector<vector<ll>>(h, vector<ll>(w, 0)); cout << go(v, 0, 0, a, b) << endl; } int32_t main() { IOS ll T = 1; // cin >> T; for (ll i = 1; i <= T; ++i) { // cout<<"Case #"<<i<<": "; solve(); } return 0; }
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cstdint> #include <cstdio> #include <cstring> #include <deque> #include <iomanip> #include <ios> #include <iostream> #include <limits> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> // avoid unordered_map and unordered_set!!! #include <vector> #include <utility> using namespace std; using i64 = int64_t; using u64 = uint64_t; using i32 = int32_t; using pi64 = pair<i64, i64>; #define vec vector #define let const #define DRi64(x) i64 x; cin >> x; #define DRS(x) string x; cin >> x; #define DRVi64(v, n) vec<i64> v(n); { for (i64 i = 0; i < n; ++i) { cin >> v[i]; }} #define DRpi64(x) pi64 x; cin >> x.first >> x.second; #ifdef DEBUG #define P(x) cerr << x << "\n" #else #define P(x) #endif constexpr i64 MAXN = 3*100*1000LL+5LL; constexpr i64 MOD = 1000000007LL; constexpr i64 INF64 = MOD * MOD; const vec<vec<pi64>> kPieces{ vec<pi64> {pi64{0, 0},}, {pi64{0, 0},{0, 1},}, {pi64{0, 0},{1, 0},}, }; i64 dfs(const i64 r, const i64 c, vec<vec<bool>>& G, const i64 R, const i64 C, const i64 A, const i64 B) { let auto& INR = [R, C](const i64 u, const i64 v) { return 0 <= u && u < R && 0 <= v && v < C; }; let auto& LIN = [C](const i64 u, const i64 v) { return u * C + v; }; let auto& LIN_INV = [C](const i64 x) { return make_pair(x / C, x % C); }; let auto& FIT = [&](const vec<pi64>& piece) { for (let auto [dr, dc] : piece) { if (!INR(r + dr, c + dc)) { return false; } if (G[r + dr][c + dc]) { return false; } } return true; }; if (LIN(r, c) > LIN(R - 1, C - 1)) { assert(A == 0); assert(B == 0); return 1; } P("r: " << r << " c: " << c); let pi64 nxt(LIN_INV(LIN(r, c) + 1)); if (G[r][c]) { return dfs(nxt.first, nxt.second, G, R, C, A, B); } i64 acc = 0; for (i64 pi = 0; pi < kPieces.size(); ++pi) { let auto& piece = kPieces[pi]; if (!FIT(piece)) { continue; } if (pi == 0 && B == 0) { continue; } if (pi > 0 && A == 0) { continue; } for (let auto [dr, dc] : piece) { G[r + dr][c + dc] = true; } acc += dfs(nxt.first, nxt.second, G, R, C, A - (pi > 0), B - (pi == 0)); for (let auto [dr, dc] : piece) { G[r + dr][c + dc] = false; } } return acc; } int main() { ios_base::sync_with_stdio(false); // fast io: see 1423K cin.tie(nullptr); cout.tie(nullptr); DRi64(R); DRi64(C); DRi64(A); DRi64(B); vec<vec<bool>> G(R, vec<bool>(C, false)); cout << dfs(0, 0, G, R, C, A, B) << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef std::vector<std::vector<int64_t> > Graph; #define in1(n) int64_t n;cin >> n; #define in2(n, m) int64_t n, m;cin >> n >> m; #define in3(n, m, k) int64_t n, m, k;cin >> n >> m >> k; #define in4(a, b, c, d) int64_t a, b, c, d;cin >> a >> b >> c >> d; #define rep(i, n) for (int64_t i = 0; i < n; ++i) #define rep2(i, n) for (int64_t i = 1; i <= n; ++i) #define repb(i, l, n) for (int64_t i = l; i < n; ++i) #define repb2(i, l, n) for (int64_t i = l; i <= n; ++i) #define repc(i, l, n, d) for (int64_t i = l; i < n; i+=d) #define repc2(i, l, n, d) for (int64_t i = l; i <= n; i+=d) #define rep_(i, r) for (int64_t i = r-1; i >= 0; --i) #define rep_2(i, r) for (int64_t i = r; i > 0; --i) #define rep_b(i, r, l) for (int64_t i = r; i >= l; --i) #define rep_b2(i, r, l) for (int64_t i = r; i > l; --i) #define rep_c(i, r, l, d) for (int64_t i = r; i >= l; i-=d) #define rep_c2(i, r, l, d) for (int64_t i = r; i > l; i-=d) #define repf(i, l, c, d) for (int64_t i = l; c; i+=d) #define repi(a, b) for (auto&(a) : (b)) #define ALL(v) (v).begin(), (v).end() #define Sort(x) sort(ALL(x)) #define Sort_rev(x) Sort(x);reverse(ALL(x)) #define Sort_pair(x, p) sort(ALL(x), (p)) #define mp(a, b) make_pair((a), (b)) #define Push_back(a, b) push_back( mp( (a), (b) ) ) #define ctoi(c) ((c)-'0') 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; } template<typename V,typename T> bool find_num(V v, T num) { if ( find(ALL(v), num) == v.end() ) { return false; } return true; } const int inf = 0x3fffffff; const int64_t INF = 0x3fffffffffffffff; const int64_t MOD = 1e9+7; /* int main() { in1(n); std::vector<int64_t> a(n); int64_t sum = 0, num; rep(i, a.size()) { cin >> a[i]; if ( i == 0 ) { num = a[i]; } else { chmax(num, a[i]); } sum += a[i]; std::vector<int64_t> v = a; int64_t ans = sum, num2 = num; rep(j, i+1) { v[j] += num2; ans += num2; chmax(num2, v[j]); } cout << ans << endl; } return 0; } */ int main() { in1(n); std::vector<int64_t> a(n); rep(i, a.size()) { cin >> a[i]; } int64_t num = 0, sum = 0, sum2 = 0; rep(i, n) { chmax(num, a[i]); sum += a[i]; sum2 += sum; cout << num*(i+1)+sum2 << endl; } }
#include <bits/stdc++.h> using namespace std; #define PI 3.141592653589 #define ll long long int #define ld long double #define vi vector<int> #define vl vector<ll> #define ii pair<int,int> #define pb push_back #define mp make_pair #define ff first #define ss second #define pll pair<ll,ll> #define vv vector #define all(v) (v).begin(),(v).end() int MOD=1e9+7; ll power(ll a, ll b){//a^b ll res=1; a=a%MOD; while(b>0){ if(b&1){res=(res*a)%MOD;b--;} a=(a*a)%MOD; b>>=1; } return res; } ll fermat_inv(ll y){return power(y,MOD-2);} ll gcd(ll a, ll b){return (b==0)?a:gcd(b,a%b);} ll min(ll a,ll b){return (a>b)?b:a;} ll max(ll a,ll b){return (a>b)?a:b;} bool prime[1000001]; vi primes; void SieveOfEratosthenes(int n) { memset(prime, true, sizeof(prime)); prime[0]=prime[1]=0; for (int p=2; p*p<=n; p++) { if (prime[p] == true) { for (int i=p*p; i<=n; i += p) prime[i] = false; } } for(int p=2;p<1000001;p++) if(prime[p]) primes.pb(p); } ll fact[100010]; ll finv[100010]; void factorial(int n){ fact[0]=1; finv[0]=1; for(int i=1;i<=n;i++) fact[i]=fact[i-1]*i,fact[i]%=MOD,finv[i]=fermat_inv(fact[i]); } ll ncr(ll n,ll r) { if(n<r) return 0; else{ ll x=finv[r]*finv[n-r]%MOD; return fact[n]*x%MOD; } } double dp[101][101][101]; double solve(double a,double b,double c){ //cout<<a<<' '<<b<<' '<<c<<'\n'; if(dp[(int)a][(int)b][(int)c]!=-1) return dp[(int)a][(int)b][(int)c]; if(a==100||b==100||c==100) return 0; return dp[(int)a][(int)b][(int)c]=a/(a+b+c)*(solve(a+1,b,c)+1)+b/(a+b+c)*(solve(a,b+1,c)+1)+c/(a+b+c)*(solve(a,b,c+1)+1); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int te=1; //cin>>te; //SieveOfEratosthenes(1000000); //factorial(100005); while(te--){ double a,b,c; cin>>a>>b>>c; for(int i=0;i<=100;i++) for(int j=0;j<=100;j++) for(int k=0;k<=100;k++) dp[i][j][k]=-1; cout<<setprecision(15)<<solve(a,b,c); } }
#include<bits/stdc++.h> using namespace std; #define int long long int #define rep(i, n) for(int i = 0; i < n; i++) const int mod = (int)1e9 + 7; int power(int x, int n, int m){ x %= m ; int ans = 1 ; while(n > 0){ if( n & 1 ) ( ans *= x ) %= m ; ( x = x * x ) %= m ; n >>= 1 ; } return ans ; } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; vector<int> a(n); for(int i = 0; i < n; i++){ cin >> a[i]; } sort(a.begin(), a.end()); int res = a[0] + 1; for(int i = 1; i < n; i++){ res = (res * (a[i] - a[i - 1] + 1)) % mod; } cout << res << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define R cin>> #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}void pr(){ln;} template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<(sizeof...(b)?" ":"");pr(b...);} template<class A>void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")<<a[i];ln;} const ll MAX=1e9+7,MAXL=1LL<<61,dx[8]={-1,0,1,0,-1,-1,1,1},dy[8]={0,1,0,-1,-1,1,1,-1}; typedef pair<ll,ll> P; void Main() { ll n; R n; vector<ll> a(n+1,0); rep(i,n) R a[i]; sort(all(a)); a.erase(unique(all(a)),a.end()); ll ans=1; rrep(i,a.size()-1) { ans*=a[i+1]-a[i]+1; ans%=MAX; } pr(ans); } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}
#include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower using namespace std; int main() { int a, b, c, d; cin >> a >> b >> c >> d; cout << a*d - b*c<< endl; }
#include <bits/stdc++.h> #define PI acos(-1) #define eq(x,y) (fabs((x)-(y)) < eps) #define debug(x) cerr<<#x<<" = "<<x<<endl; #define pb push_back #define eb emplace_back #define min3(a,b,c) min(a,min(b,c)) #define max3(a,b,c) max(a,max(b,c)) #define bump cout<<"bleh\n" #define all(v) (v).begin(),(v).end() #define fastio ios::sync_with_stdio(false);cin.tie(0);cout.tie(0) #define file freopen("input.txt", "r", stdin) #define reset(x,n) memset(x,n,sizeof(x)) /* #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define ordered_set tree<pair<int,int>, null_type,less<pair<int,int>>, rb_tree_tag,tree_order_statistics_node_update> using namespace __gnu_pbds; */ /* find_by_order(k): It returns to an iterator to the kth element (counting from zero) order_of_key(k) : It returns to the number of items that are strictly smaller than our item k */ using namespace std; typedef long long ll; typedef unsigned long long llu; typedef pair<int,int> pii; typedef pair<ll,ll> pll; const int inf=1e9+7; const int nmax=1e5+10; const int eps=1e-8; const ll infll=1e18+10; const int len = 3e5+10; int tree[4*len]; int ara[len]; void build(int node, int start, int endd) { if(start==endd) { tree[node]=ara[start]; }else { int mid=(start+endd)/2; build(2*node,start,mid); build(2*node+1,mid+1,endd); tree[node]=tree[2*node]^tree[2*node+1]; } } void update(int node, int start, int endd, int idx, int val) { if(start==endd) { ara[idx]=val; tree[node]=val; }else { int mid=(start+endd)/2; if(idx>=start and idx<=mid) update(2*node,start,mid,idx,val); else update(2*node+1,mid+1,endd,idx,val); tree[node]=tree[2*node]^tree[2*node+1]; } } int query(int node,int start,int endd, int l, int r) { if(start>=l and endd<=r) return tree[node]; if(start>r or endd<l) return 0 ; int mid=(start+endd)/2; int p1=query(2*node,start,mid,l,r); int p2=query(2*node+1,mid+1,endd,l,r); int ans=p1^p2; return ans; } inline void solve() { int a,b,c,d; cin>>a>>b>>c>>d; int x = (a*d) - (b*c); cout<<x<<"\n"; } /* -> sometimes thinking in reverse makes it easier! -> check for overflow! pay attention to constraints! -> maybe write a bruteforce locally for clues! */ int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif fastio; //int t; //cin>>t; //while(t--){ solve(); //} return 0; } /* */
#include <iostream> using namespace std; int main() { int n, x,input; cin >> n >> x; for (int i = 0; i < n; i++) { cin >> input; if (input != x) { cout << input<<endl; } } }
#include <bits/stdc++.h> #define FIXED_FLOAT(x) std::fixed <<std::setprecision(7)<<(x) #define all(v) (v).begin(), (v).end() using namespace std; #define loop(i,a,b) for (int i=a; i<b; ++i) using ll = long long; const int mod = 998244353; typedef pair<int , int> pairs; typedef complex<ll> G; const int N = 1e3 + 5; int power(int a,int b){ if(!b) return 1; int c=power(a,b/2); c=(1LL*c*c)%mod; if(b%2) c=(1LL*c*a)%mod; return c; } void done() { } /*string solve_palindrome(const string& s) { string a = s; reverse(a.begin(), a.end()); //a = s + "#" + a; int c = 0; for (int i = 1; i < (int)a.size(); i++) { while (c != 0 && a[c] != a[i]) c = pref[c - 1]; if (a[c] == a[i]) c++; pref[i] = c; } return s.substr(0, c); } */ /*3 3 7 7 9 11 4 6 6 7*/ void solve() { int n, m; cin >> n >> m; int c[n][m]; for(int i = 0;i < n;++i) { for(int j = 0;j < m;++j) { cin >> c[i][j]; } } } int n, m, q; string s, t; int cc[N]; int pref[N]; bool check(int l, int r) { for (int i = l, j = 1; i <= r; i++, j++) { if (s[i] != t[j]) { return false; } } return true; } void another() { char a, b; cin >> a >> b; if(a == 'Y')b = toupper(b); cout << b << '\n'; } void test_case() { int t; cin >> t; while(t--)another(); } int main() { ios::sync_with_stdio(NULL); cin.tie(0); cout.tie(0); another(); }
#include<bits/stdc++.h> #define for0(i, n) for(int i = 0; i < (n); i++) #define for1(i, n) for(int i = 1; i <= (n);i++) #define puts(x) cout << (x) << "\n" using namespace std; int si, sj, t[60][60], p[60][60], M; bool b1[50 * 51]; int score(string s) { int xs = si, ys = sj, r = p[xs][ys]; for (char c : s) { if (c == 'U')xs--; if (c == 'D')xs++; if (c == 'L')ys--; if (c == 'R')ys++; r += p[xs][ys]; } return r; } int main() { srand((unsigned)time(NULL)); cin >> si >> sj; si++; sj++; b1[2525] = 1; for0(i, 52)for0(j, 52) { if (i * j == 0 || i == 51 || j == 51)t[i][j] = 2525; else { cin >> t[i][j]; M = max(M, t[i][j]); } } for1(i, 50)for1(j, 50)cin >> p[i][j]; string s1 = ""; int v1 = score(s1), ti = clock(); while(clock() - ti <= 1800000) { string sp = ""; int xi = si, yi = sj; while (1) { b1[t[xi][yi]] = 1; int tm = b1[t[xi - 1][yi]] + b1[t[xi + 1][yi]] + b1[t[xi][yi - 1]] + b1[t[xi][yi + 1]]; if (tm == 4)break; int ri = rand() % (4 - tm); if (b1[t[xi - 1][yi]] == 0) { if (ri == 0) { sp += 'U'; xi--; } ri--; } if (b1[t[xi + 1][yi]] == 0) { if (ri == 0) { sp += 'D'; xi++; } ri--; } if (b1[t[xi][yi - 1]] == 0) { if (ri == 0) { sp += 'L'; yi--; } ri--; } if (b1[t[xi][yi + 1]] == 0) { if (ri == 0) { sp += 'R'; yi++; } ri--; } } int vi = score(sp); if (vi > v1) { s1 = sp; v1 = vi; } for0(i, M)b1[i] = 0; } puts(s1); }
#include <vector> #include <stdio.h> #include <algorithm> int n, fa[100005], head[100005], cnt, dp[100005], size[100005]; struct edge { int to, nxt; } g[100005]; inline void add_edge(int f, int t) { g[++cnt].to = t; g[cnt].nxt = head[f]; head[f] = cnt; } void dfs(int u) { dp[u] = 1; size[u] = 1; std::vector<int> vs; int side = 1, sum = 0; for (int i = head[u]; i; i = g[i].nxt) { dfs(g[i].to); size[u] += size[g[i].to]; if (size[g[i].to] & 1) vs.push_back(dp[g[i].to]); else if (dp[g[i].to] >= 0) sum += dp[g[i].to]; else dp[u] += dp[g[i].to]; } std::sort(vs.begin(), vs.end()); for (int val : vs) { dp[u] += side * val; side = -side; } dp[u] += side * sum; } int main() { scanf("%d", &n); for (int i = 2; i <= n; ++i) scanf("%d", fa + i), add_edge(fa[i], i); dfs(1); printf("%d\n", (n + dp[1]) >> 1); return 0; }
/** author: samari06, created: 09.03.2021 21:49:15 **/ #include <bits/stdc++.h> #define REP(i, N) for(int i = 0; i < (int)N; i++) using namespace std; typedef long long ll; typedef vector<int> V; typedef vector<ll> Vll; int t[55][55], p[55][55], sx, sy; int cscr = 0, bstscr = 0; string dist = "RLDU"; class Timer { private: clock_t time_start; // 計測開始時間 public: Timer() { restart(); } void restart() { time_start = clock(); } clock_t elaps() { // 計測開始時間からの秒数を返す clock_t time_end = clock(); return (time_end - time_start); } }; // 疑似乱数列生成 (https://ja.wikipedia.org/wiki/Xorshift) uint32_t xor32(void) { static uint32_t y = 2463534242; y ^= (y << 13); y ^= (y >> 17); y ^= (y << 5); return y; } // 0以上1未満の小数をとる乱数 double rand01() { return (xor32()+0.5)*(1.0/UINT_MAX); } int score(string &s){ int ch[2500] = {0}; int scr = p[sx][sy]; int px = sx, py = sy; ch[t[sx][sy]] = 1; REP(i,s.size()){ if(s[i] == 'R'){ py++; if(py >= 50) return 0; if(ch[t[px][py]]) return 0; }else if(s[i] == 'L'){ py--; if(py < 0) return 0; if(ch[t[px][py]]) return 0; }else if(s[i] == 'D'){ px++; if(px >= 50) return 0; if(ch[t[px][py]]) return 0; }else if(s[i] == 'U'){ px--; if(px < 0) return 0; if(ch[t[px][py]]) return 0; } ch[t[px][py]] = 1; scr += p[px][py]; } return scr; } string solve(){ string ans; Timer tmr; const double TL = 1.9; double time = 0.0; // 初期解の生成 while(time < TL){ time = (double)tmr.elaps() / CLOCKS_PER_SEC; string tans; tans += dist[xor32()%4]; if(score(tans) != 0){ ans = tans; break; } } while(time < TL){ time = (double)tmr.elaps() / CLOCKS_PER_SEC; int id = xor32()%ans.size(); string tans = ans; int tscr = bstscr; id = (int)tans.size()-1; if(id+1 == tans.size()){ tans += dist[xor32()%4]; if(score(tans) == 0) continue; }else{ } ans = tans; } return ans; } int main(){ // 入力 scanf("%d%d", &sx, &sy); REP(j,50) REP(i,50) scanf("%d", &t[j][i]); REP(j,50) REP(i,50) scanf("%d", &p[j][i]); // 求解 string sol = solve(); // 出力 cout << sol << "\n"; // score //printf("score: %d\n",score(sol)); return 0; }
#include <iostream> #include <cmath> #include <string> #include <vector> #include <algorithm> #include <utility> #include <tuple> #include <cstdint> #include <cstdio> #include <map> #include <queue> #include <set> #include <stack> #include <deque> #include <unordered_map> #include <unordered_set> #include <bitset> #include <cctype> #include <climits> #include <cassert> #include <fstream> #define rep(i, n) for(int i = 0; i < n; i++) #define per(i, n) for(int i = n - 1; i >= 0; i--) using ll = long long; #define vi vector<int> #define vvi vector<vi> #define vl vector<ll> #define pii pair<int, int> #define pll pair<ll, ll> #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define mod 1000000007 using namespace std; template<class T, class U> T &chmax(T &a, const U &b){ if(a < b) a = b; return a; } template<class T, class U> T &chmin(T &a, const U &b){ if(a > b) a = b; return a; } #define y first #define x second constexpr bool istest = false; constexpr int n = 50; ifstream file; ofstream out; void input_setup(){ if(istest){ cout << "write the in file number\n"; string s; cin >> s; file.open("C:/Users/souta/downloads/ahc/tools/in/" + s + ".txt"); if(file.fail()){ cout << "the file was not found\n"; return; } cin.rdbuf(file.rdbuf()); } } //答えるときのやつ string ans = ""; void output(){ if(istest){ out.open("C:/users/souta/downloads/ahc/tools/out.txt"); if(out.fail()){ cout << "the file was not found\n"; return; } cout.rdbuf(out.rdbuf()); } cout << ans << "\n"; } pii st_pos; vvi tiles(n, vi(n)), point(n, vi(n)); void inputs(){ //start position cin >> st_pos.y >> st_pos.x; //tiles rep(i, n) rep(j, n) cin >> tiles[i][j]; //points rep(i, n) rep(j, n) cin >> point[i][j]; } //過去に同じ番号のタイルを通ったことがあるのかを確認する bool checkVisited(const int &Y, const int &X, const vector<pii> &logs){ int col = tiles[Y][X]; for(auto a : logs){ if(col == tiles[a.y][a.x]) return true; } return false; } //とりあえずBFSで探索してみる int dy[] = {-1,1,0,0}; int dx[] = {0,0,-1,1}; char dir[] = {'U', 'D', 'L', 'R'}; void bfs(){ priority_queue<pair<pii, int>> que; vvi checked(n, vi(n, -1)); checked[st_pos.y][st_pos.x] = point[st_pos.y][st_pos.x]; vector<vector<vector<pii>>> logs(n, vector<vector<pii>>(n)); logs[st_pos.y][st_pos.x].push_back(make_pair(st_pos.y, st_pos.x)); pii bestpos = st_pos; int mx = point[st_pos.y][st_pos.x]; rep(loop, 10){ vector<pii> temp = logs[bestpos.y][bestpos.x]; logs = vector<vector<vector<pii>>>(n, vector<vector<pii>>(n)); checked = vvi(n, vi(n, -1)); logs[bestpos.y][bestpos.x] = temp; checked[bestpos.y][bestpos.x] = mx; que.push(make_pair(bestpos, mx)); while(!que.empty()){ pii pos; int score; tie(pos, score) = que.top(); que.pop(); if(checked[pos.y][pos.x] > score) continue; rep(i, 4){ int Y = pos.y + dy[i]; int X = pos.x + dx[i]; if(Y >= n || X >= n || Y < 0 || X < 0) continue; if(checkVisited(Y, X, logs[pos.y][pos.x])) continue; int v = score + point[Y][X]; if(checked[Y][X] == -1 || checked[Y][X] < v){ que.push(make_pair(make_pair(Y, X), v)); checked[Y][X] = v; logs[Y][X] = logs[pos.y][pos.x]; logs[Y][X].push_back(make_pair(Y, X)); } } } mx = 0; bestpos = st_pos; rep(i, n) rep(j, n){ if(mx < checked[i][j]){ bestpos = make_pair(i, j); mx = checked[i][j]; } } } vector<pii> track = logs[bestpos.y][bestpos.x]; pii last = st_pos; for(auto a : track){ rep(i, 4){ if(last.y + dy[i] == a.y && last.x + dx[i] == a.x){ ans += dir[i]; break; } } last = a; } } int main(){ input_setup(); inputs(); bfs(); output(); }
#pragma GCC target("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 4020000; int dy[8] = {0,1,0,-1,1,-1,-1,1}; int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-7; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} const int mod = 1e9 + 7; //const int mod = 998244353; int main(){ string s; cin >> s; int ans = 0; string t = "ZONe"; rep(i,9){ if(s.substr(i,4) == t) ans++; } cout << ans << endl; }
#include <iostream> #include <string> using namespace std; int main(){ string s; cin >> s; int count = 0; for(int i = 0; i+3 < s.size(); ++i){ if(s[i] == 'Z' && s[i+1] == 'O' && s[i+2] == 'N' && s[i+3] == 'e'){ count++; } } cout << count << endl; }
#include <bits/stdc++.h> #define repi(i,a,b) for(int i=(int)(a);i<(int)(b);++i) #define rrepi(i,a,b) for(int i=((int)(b)-1);i>=(a);--i) #define rep(i,n) repi(i,0,n) #define rrep(i,n) rrepi(i,0,n) #define ALL(x) (x).begin(),(x).end() #define SZ(x) ((int)(x).size()) #define UNIQUE(x) (x).erase(unique(ALL(x)), (x).end()) #define TOUPPER(x) transform(ALL(x), (x).begin(), ::toupper) #define TOLOWER(x) transform(ALL(x), (x).begin(), ::tolower) #define fi first #define se second using namespace std; using ll = long long; using P = pair<int,int>; 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;} ll qp(ll a, ll b){ll ans=1;do{if(b&1)ans=1ll*ans*a;a=1ll*a*a;}while(b>>=1);return ans;} ll qp(ll a, ll b, ll mo){ll ans=1;do{if(b&1)ans=1ll*ans*a%mo;a=1ll*a*a%mo;}while(b>>=1);return ans;} int gcd(int a, int b){return b?gcd(b,a%b):a;} const int INF = 1e9; const ll INFL = 1e18; const int MOD = 1e9 + 7; int main(){ int A, B; cin >> A >> B; vector<int> EA(A,0), EB(B,0); rep(i,min(A,B)) { EA[i] = EB[i] = i+1; } if(A > B) { int idx = 0; rep(i,A-B) { EA[B+i] = EA[B+i-1]+1; rep(j,EA[B+i]) { ++EB[(B-1-(idx++))%B]; idx %= B; } } } else if(A < B) { int idx = 0; rep(i,B-A) { EB[A+i] = EB[A+i-1]+1; rep(j,EB[A+i]) { ++EA[(A-1-(idx++))%A]; idx %= A; } } } rep(i,A+B) { cout << (i < A ? EA[i] : -EB[i-A]) << (i == A+B-1 ? "\n" : " "); } return 0; }
#include <bits/stdc++.h> #include <iostream> #include <cstdio> // popen, pclose, fgets #include <cstdlib> using namespace std; #define rep0(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i < (int)(n); i++) #define all(x) (x).begin(),(x).end() using vi = vector<int>; // intの1次元の型に vi という別名をつける using vvi = vector<vi>; // intの2次元の型に vvi という別名をつける using vvvi = vector<vvi>; using ll = long long; //long longをllだけにした using vll = vector<ll>; using vvll = vector<vll>; using vvvll =vector<vvll>; const double PI=3.14159265358979323846; //小数点以下を指定したい時  →→→→ cout << fixed << setprecision(); //int→string  string str = to_string(num); //string→int int num = atoi(numStr.c_str()); int main() { int a,b;cin>>a>>b; int ans=0; if(a+b>=15 && b>=8){ ans=1; } else if(a+b>=10&&b>=3){ ans=2; } else if(a+b>=3){ ans=3; } else{ ans=4; } cout<<ans<<endl; }
#include<iostream> using namespace std; typedef long long ll; const int mod=1e9+7; int get(int a,int b) { if(b<0) return 0; return 1LL*(b-a+1)*(a+b)/2%mod; } int main() { int t;scanf("%d",&t); while(t--){ ll n,a,b;cin>>n>>a>>b; if(a>b)swap(a,b); ll ans=2LL*((n-a+1)*(n-b+1)%mod*get(1,n-a-b+1)%mod)%mod; //cout<<ans<<" "; ll temp=0,t1=0; // for(int i=1;i<=n-a+1;i++){ // ll t2=t1; // for(int j=max(1LL,i-b+1);j<=min(n-b+1,i+a-1);j++) // t1++; // cout<<t1-t2<<endl; // } temp=(temp+get(a,min(b,n-a-b+2)+a-1))%mod; //cout<<temp<<" "; if(b+1<=n-a-b+2) temp=(temp+(a+b-1)*(n-a-b-b+2)%mod)%mod; //cout<<temp<<" "; if(b>=n-a-b+3) temp=(temp+(n-b+1)*(2*b+a-n-2)%mod)%mod; //cout<<temp<<" "; temp=(temp+get(a,n-max(b+1,n-a-b+3)+1)%mod)%mod; //cout<<temp<<" "<<t1<<" "; temp=2LL*temp*get(1,n-a-b+1)%mod; ans=(ans+temp+mod)%mod; cout<<ans<<endl; } }
//#pragma GCC optimize ("O2") //#pragma GCC target ("avx2") //#include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please const int CM = 1 << 17, CL = 12; char cn[CM + CL], * ci = cn + CM + CL, * owa = cn + CM, ct; const ll ma0 = 1157442765409226768; const ll ma1 = 1085102592571150095; const ll ma2 = 71777214294589695; const ll ma3 = 281470681808895; const ll ma4 = 4294967295; inline int getint() { if (ci - owa > 0) { memcpy(cn, owa, CL); ci -= CM; fread(cn + CL, 1, CM, stdin); } ll tmp = *(ll*)ci; if ((tmp & ma0) ^ ma0) { int dig = 68 - __builtin_ctzll((tmp & ma0) ^ ma0); tmp = tmp << dig & ma1; tmp = tmp * 10 + (tmp >> 8) & ma2; tmp = tmp * 100 + (tmp >> 16) & ma3; tmp = tmp * 10000 + (tmp >> 32) & ma4; ci += (72 - dig >> 3); } else { tmp = tmp & ma1; tmp = tmp * 10 + (tmp >> 8) & ma2; tmp = tmp * 100 + (tmp >> 16) & ma3; tmp = tmp * 10000 + (tmp >> 32) & ma4; ci += 8; if ((ct = *ci++) >= '0') { tmp = tmp * 10 + ct - '0'; if (*ci++ == '0') { tmp = tmp * 10; ci++; } } } return tmp; } const int MAX = 100000; class shuturyoku_unko { public: char C[MAX * 5]; constexpr shuturyoku_unko() : C() { rep(i, MAX) { int X = i; rep(j, 5) { C[i * 5 + 4 - j] = '0' + X % 10; X /= 10; } } } }; constexpr shuturyoku_unko f; const int dm = 1 << 17; char dn[dm], * di = dn, * owad = dn + dm - 20; void putint(ll A) { if (owad < di) { fwrite(dn, 1, di - dn, stdout); di = dn; } int dig = 1; if (A >= 100000) { if (A >= 1000000000) dig = 5; else if (A >= 100000000) dig = 4; else if (A >= 10000000) dig = 3; else if (A >= 1000000) dig = 2; memcpy(di + dig, f.C + A % 100000 * 5, 5); A /= 100000; memcpy(di, f.C + A * 5 + 5 - dig, dig); di += 5 + dig; } else { if (A >= 10000) dig = 5; else if (A >= 1000) dig = 4; else if (A >= 100) dig = 3; else if (A >= 10) dig = 2; memcpy(di, f.C + A * 5 + 5 - dig, dig); di += dig; } *di++ = '\n'; } const int mod = 1e9 + 7; int main() { //cin.tie(0); //ios::sync_with_stdio(false); int T = getint(); rep(t, T) { ll N = getint(), A = getint(), B = getint(); ll a = min(A, N - B + 1); ll b = min(A + B - 1, N - B + 1); ll are = (a + b) * (b - a + 1) + b * (N - A + 1 - (b - a + 1) * 2); ll atti = (N - A + 1) * (N - B + 1); ll kotae = (atti + are) % mod * ((atti - are) % mod) % mod; putint(kotae); } fwrite(dn, 1, di - dn, stdout); Would you please return 0; }
#include<bits/stdc++.h> #define lli long long int using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); lli n,x,i; cin>>n>>x; string s; cin>>s; for(i=0;i<s.size();i++) { if(s[i]=='x' && x>0) x=x-1; if(s[i]=='o') x=x+1; } cout<<x<<"\n"; }
#include <bits/stdc++.h> using namespace std; using LL=long long; using ULL=unsigned long long; #define rep(i,n) for(int i=0; i<(n); i++) void chmax(LL&l,LL r){ if(l<r) l=r; } int N; LL X; LL A[100]; LL dp[101][100]; void solvedp(int K){ rep(n,K+1) rep(k,K) dp[n][k]=-1000000000000; dp[0][0]=0; rep(i,N){ int dk=A[i]%K; for(int n=K-1; n>=0; n--) rep(k,K){ int to_k=k+dk; if(to_k>=K) to_k-=K; chmax(dp[n+1][to_k],dp[n][k]+A[i]); } } } int main(){ cin>>N>>X; rep(i,N) cin>>A[i]; LL ans=X; for(int K=1; K<=N; K++){ solvedp(K); if(dp[K][X%K]<0) continue; ans=min(ans,(X-dp[K][X%K])/K); } cout<<ans<<endl; return 0; }
#include <iostream> #include <algorithm> #include <string> #include <vector> #include <cmath> #include <map> #include <queue> #include <iomanip> #include <set> #include <tuple> #define mkp make_pair #define mkt make_tuple #define rep(i,n) for(int i = 0; i < (n); ++i) #define all(v) v.begin(),v.end() using namespace std; typedef long long ll; const ll MOD=1e9+7; template<class T> void chmin(T &a,const T &b){if(a>b) a=b;} template<class T> void chmax(T &a,const T &b){if(a<b) a=b;} struct Edge{ int to; ll T; ll K; Edge(){} Edge(int to,ll T,ll K):to(to),T(T),K(K){} }; const ll INF=1e18; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N,M,X,Y; cin>>N>>M>>X>>Y; X--;Y--; vector<vector<Edge>> g(N); rep(i,M){ int a,b,t,k; cin>>a>>b>>t>>k; a--;b--; g[a].push_back(Edge{b,t,k}); g[b].push_back(Edge{a,t,k}); } vector<ll> dist(N,INF); dist[X]=0; priority_queue<pair<ll,int>,vector<pair<ll,int>>,greater<pair<ll,int>>> PQ; PQ.push(mkp(0,X)); while(!PQ.empty()){ auto f=PQ.top(); PQ.pop(); int now=f.second; ll cost=f.first; if(dist[now]<cost) continue; for(auto &e:g[now]){ ll neco=cost+(e.K-cost%e.K)%e.K+e.T; if(dist[e.to]>neco){ dist[e.to]=neco; PQ.push(mkp(neco,e.to)); } } } if(dist[Y]==INF) cout<<-1<<endl; else cout<<dist[Y]<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; int a, b, c, d; int main(){ cin>>a>>b>>c>>d; //max x-y cout<<max(a,b) - min(c,d)<<"\n"; }
#include <bits/stdc++.h> //#include "atcoder/all" #define rep(i,n) for(int i=0;i<n;i++) using namespace std; //using namespace atcoder; #define all(a) a.begin(),a.end() typedef long long ll; typedef vector<ll> vi; typedef pair<ll,ll> P; constexpr ll inf=1ll<<61; constexpr ll mod=998244353; int a[1050000]; int n=1; int calc(int A,int B,int k,int l,int r){ if(r<=A||B<=l)return 0; if(A<=l&&r<=B)return a[k]; int vl=calc(A,B,k*2+1,l,(l+r)/2),vr=calc(A,B,k*2+2,(l+r)/2,r); return vl^vr; } int get(int l,int r){ return calc(l,r,0,0,n); } int main(){ int N,q;cin>>N>>q; while(n<N)n*=2; rep(i,N)cin>>a[n-1+i]; for(int i=n-2;i>=0;i--)a[i]=a[2*i+1]^a[2*i+2]; rep(i,q){ int t;cin>>t; int x,y;cin>>x>>y; x--; if(t==1){ x+=n-1; a[x]^=y; while(x){ x=(x-1)/2; a[x]=a[x*2+1]^a[x*2+2]; } } else{ cout<<get(x,y)<<endl; } } }
//Code by Mukul Totla #include<bits/stdc++.h> using namespace std; #define ll long long #define endl '\n' void sublime(){ #ifndef ONLINE_JUDGE freopen ("input.txt", "r", stdin); freopen ("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); } int main() { sublime(); ll n,i,j; ll q; cin>>n>>q; ll arr[n]; for(i=0; i<n; i++) cin>>arr[i]; ll rootn=sqrt(n); vector<ll>v; ll val=0; ll cnt=0; for(i=0; i<n; i++) { val^=arr[i]; cnt++; if(cnt==rootn) { cnt=0; v.push_back(val); val=0; } } if(cnt!=0) v.push_back(val); while(q--) { ll t,x,y; cin>>t>>x>>y; x--,y--; if(t==1) { y++; ll block=x/rootn; v[block]^=y; arr[x]^=y; } else { ll b1=x/rootn, b2=y/rootn; ll ans=0; if((b2-b1)>2) { for(i=b1+1; i<=b2-1; i++) ans^=v[i]; // cout<<ans<<endl; for(i=x; i<(b1+1)*rootn; i++) ans^=arr[i]; for(i=b2*rootn; i<=y; i++) ans^=arr[i]; cout<<ans<<endl; } else { for(i=x; i<=y; i++) ans^=arr[i]; cout<<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 998244353 #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()); ll powa(ll a, ll b, ll c) { a%=c; if(a<0) a+=c; ll res = 1; while(b>0) { if(b&1) res*=a, res%=c; a*=a, a%=c; b>>=1; } return res; } int main() { FAST/**/ ll n,m; cin>>n>>m; string arr[n]; rep(n) cin>>arr[i]; map<ll,map<char,ll>> ma; rep(n) repi(j,m) ma[i+j][arr[i][j]]++; ll ans = 1; autoit(ma,it) { map<char,ll> &m = it->ss; ll cr = m['R']; ll cb = m['B']; ll un = m['.']; //cout<<"on "<<it->ff<<" "<<cr<<" "<<cb<<" "<<un<<'\n'; if(cr>0 && cb>0) { cout<<0<<"\n"; return 0; } if(cr == 0 && cb == 0) { //cout<<"at "<<it->ff<<"\n"; ans *= 2; ans%=mod; continue; } } cout<<ans<<"\n"; return 0; }
#include <bits/stdc++.h> #define endl '\n' #define INF 0x3f3f3f3f #define Inf 1000000000000000000LL #define int long long #define pb push_back #define mp make_pair #define F first #define S second using namespace std; typedef pair<int,int>pii; int n,m; char a[510][510]; int cntr,cntb; signed main(){ cin>>n>>m; for(int i=1;i<=n;i++)cin>>(a[i]+1); for(int i=1;i<=m;i++){ bool flgr=0,flgb=0; for(int x=1,y=i;x<=n&&y>=1;x++,y--){ if(a[x][y]=='R')flgr=1; if(a[x][y]=='B')flgb=1; } if(flgr==1&&flgb==1)return puts("0"),0; if(flgr==1)cntr++; if(flgb==1)cntb++; } for(int i=2;i<=n;i++){ bool flgr=0,flgb=0; for(int x=i,y=m;x<=n&&y>=1;x++,y--){ if(a[x][y]=='R')flgr=1; if(a[x][y]=='B')flgb=1; } if(flgr==1&&flgb==1)return puts("0"),0; if(flgr==1)cntr++; if(flgb==1)cntb++; } int t=n+m-1LL-cntr-cntb; // cout<<t<<endl; int ans=1LL; for(int i=1;i<=t;i++)ans=ans*2LL%998244353LL; cout<<ans<<endl; return 0; } /* rrb rbr brr r.r .br ... ##### ##### ##### */
#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>; using C = complex<double>; int main() { int n; cin >> n; vector<int> a(n); rep(i, n) cin >> a.at(i); vector<ll> b(410); rep(i, n) b.at(a.at(i) + 200)++; ll ans = 0; for (ll i = 1; i < b.size(); i++) { for (ll j=0;j<i;j++){ ans += b.at(i) * b.at(j) * (i - j) * (i - j); } } cout << ans << endl; }
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cstdio> #include <cstring> #include <cmath> using namespace std; using ll = long long; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; ll r = 0, s = 0; for (int i = 0; i < n; i++) { int a; cin >> a; s += a; r += a * a; } r *= n; r -= s * s; cout << r << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, k, n) for (int i = k; i < (int)(n); i++) #define repd(i, n) for (int i = n-1; i >= 0; i--) #define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--) #define all(x) (x).begin(),(x).end() #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) #define F first //pairの一つ目の要素 #define S second //pairの二つ目の要素 #define PB push_back //挿入 #define MP make_pair //pairのコンストラクタ //V,Pは大文字i,l,bは小文字 using ll = long long; using Vi = vector<int>; using VVi = vector<Vi>; using Vl = vector<ll>; using VVl = vector<Vl>; using Vb = vector<bool>; using VVb = vector<Vb>; using P = pair<int,int>; using Pl = pair<ll, ll>; using Vs = vector<string>; const ll mod = 1000000007; const ll inf = 1000000000000;//10の12乗 int main() { ll n,w; cin >> n >> w; Vl v(200010); rep(i,n){ ll x,y,z; cin >> x >> y >> z; v[x]+=z;v[y]-=z; } bool b=1; rep(i,200005){ v[i+1]+=v[i]; if(v[i+1]>w||v[i]>w)b=0; //if(i<=100)cout << v[i+1] << endl; } if(b) cout << "Yes" << endl; else cout << "No" << endl; }
//================code===================// //#define TLE #ifdef TLE #pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #endif #include <bits/stdc++.h> #include <unordered_map> #include <unordered_set> #include <random> #include <ctime> #define ci(t) cin>>t #define co(t) cout<<t #define LL long long #define ld long double #define fa(i,a,b) for(LL i=(a);i<(LL)(b);++i) #define fd(i,a,b) for(LL i=(a);i>(LL)(b);--i) #define setp pair<pair<int,int>,int> #define setl pair<LL,LL> #define micro 0.000001 using namespace std; LL gcd(LL a, LL b) { return a % b ? gcd(b, a % b) : b; } LL lcm(LL a, LL b) { return (a * b) / gcd(a, b); } #ifdef OHSOLUTION #define ce(t) cerr<<t #define AT cerr << "\n=================ANS=================\n" #define AE cerr << "\n=====================================\n" #else #define AT #define AE #define ce(t) #define __popcnt __builtin_popcountll #endif pair <int, int> vu[9] = { {0,1},{1,0},{0,-1} ,{-1,0},{0,0},{1,0}, {-1,1} , {1,-1},{-1,-1} }; //RDLU EWSN template<typename T, typename U> void ckmax(T& a, U b) { a = a < b ? b : a; } template<typename T, typename U> void ckmin(T& a, U b) { a = a > b ? b : a; } struct gcmp { bool operator()(LL a, LL b) { return a < b; } bool operator()(setl a, setl b) { return a.second < b.second; } }; struct lcmp { bool operator()(LL a, LL b) { return a > b; } bool operator()(setl a, setl b) { return a.second > b.second; } }; const int max_v = 5e2 + 7; const int INF = 1e9 + 7; const LL LNF = (LL)5e18 + 7ll; const LL mod = 1e9 + 7; int arr[max_v][max_v]; int col[max_v]; int ans[max_v]; int main() { #ifdef OHSOLUTION freopen("input.txt", "r", stdin); #endif ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; ci(n); fa(i, 0, n) fa(j, 0, n)ci(arr[i][j]); fa(j, 0, n) { col[j] = arr[0][j]; fa(i, 1, n) ckmin(col[j], arr[i][j]); } int row = arr[0][0]; fa(i, 0, n) ckmin(row, arr[0][i]); bool ck = true; fa(i, 0, n) { if (col[i] >= arr[0][i] - row) col[i] = arr[0][i] - row; else ck = false; } ans[0] = row; fa(i, 1, n) { int row = arr[i][0]; fa(j, 1, n) ckmin(row, arr[i][j]); ans[i] = row; fa(j, 0, n) { if (col[j] != arr[i][j] - row) ck = false; } } if (ck) { co("Yes\n"); fa(i, 0, n) co(ans[i] << " "); co("\n"); fa(i, 0, n) co(col[i] << " "); } else co("No\n"); return 0; }
#include <cstdio> #include <vector> #include <algorithm> using namespace std; int n, m, adj[20]; int dp[262144]; void solve(int, int, int, int); int get(int x) { if (!x) return 0; if (dp[x] != 2e9) return dp[x]; solve(0, x, 0, x); return dp[x]; } void solve(int p, int r, int s, int d) { if (!r && !s) { dp[d] = min(dp[d], 1 + get(d & ~p)); return; } for (int i = n - 1; i >= 0; i--) if (r & 1 << i) { solve(p | 1 << i, r & adj[i], s & adj[i], d); r &= ~(1 << i); s |= 1 << i; } } int main() { scanf("%d%d", &n, &m); fill(dp, dp + 262144, 2e9); while (m--) { int a, b; scanf("%d%d", &a, &b); a--, b--; adj[a] |= 1 << b; adj[b] |= 1 << a; } solve(0, (1 << n) - 1, 0, (1 << n) - 1); printf("%d", dp[(1 << n) - 1]); }
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<long long, long long>; using vi = vector<int>; using vl = vector<ll>; using vll = vector<vector<ll>>; constexpr char ln = '\n'; constexpr long long MOD = 1000000007; //constexpr long long MOD = 998244353; constexpr long long INF = 1e9+10; constexpr long long LINF = 1e18+10; #define all(x) (x).begin(),(x).end() #define rep(i,n) for(int i=0;i<(n);i++) #define rept(i, j, n) for(int i=(j); i<(n); i++) 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; } struct edge{ int from; int to; int c; }; int main(){ int n, m; cin >> n >> m; vector<vector<edge>> G(n+10); rep(i, m){ int u, v, c; cin >> u >> v >> c; edge e1{u,v,c}; edge e2{v,u,c}; G[u].push_back(e1); G[v].push_back(e2); } //始点=頂点0としてBFS vector<int> ans(n+10, INF);//頂点に振る番号 queue<pii> que; //頂点番号,ラベル que.push({1, INF});//-1 while(!que.empty()){ auto p = que.front(); que.pop(); int v = p.first, c = p.second; //一致なら正、不一致なら負 //cout << "v:" << v << " c:" << c << ln; if(ans[v]!=INF)continue; if(c==INF)ans[v] = 1; else{ if(c>0){ ans[v] = (c == 1 ? 2 : 1); }else{ c = -c; ans[v] = c; } } for(auto e: G[v]){ if(ans[e.to]!=INF)continue; int nc = e.c; if(ans[v]!=nc) nc = -e.c; que.push({e.to, nc}); } } for(int i=1; i<=n; i++){ cout << ans[i] << ln; } }
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <numeric> #include <utility> #include <tuple> #define REP(i, a, b) for (int i = int(a); i < int(b); i++) using namespace std; using ll = long long int; using P = pair<ll, ll>; // clang-format off #ifdef _DEBUG_ #define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; PPPPP(__VA_ARGS__); cerr << endl; } while(false) template<typename T> void PPPPP(T t) { cerr << t; } template<typename T, typename... S> void PPPPP(T t, S... s) { cerr << t << ", "; PPPPP(s...); } #else #define dump(...) do{ } while(false) #endif template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); } template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); } template<typename T> bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; } template<typename T> bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; } template<typename T> void print(T a) { cout << a << '\n'; } template<typename T, typename... Ts> void print(T a, Ts... ts) { cout << a << ' '; print(ts...); } template<typename T> istream &operator,(istream &in, T &t) { return in >> t; } // clang-format on int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin, n; auto a = make_v(2, n / 2, 0LL); auto b = make_v(2, n / 2, 0LL); ll score = 0; REP(i, 0, n) { cin, a[i % 2][i / 2]; } REP(i, 0, n) { cin, b[i % 2][i / 2]; score += b[i % 2][i / 2]; } auto idx = make_v(2, n / 2, 0); REP(t, 0, 2) { iota(idx[t].begin(), idx[t].end(), 0); sort(idx[t].begin(), idx[t].end(), [&](int i, int j) { return a[t][i] - b[t][i] > a[t][j] - b[t][j]; }); } ll ans = score; REP(i, 0, n / 2 + 1) { dump(ans, score); chmax(ans, score); if (i < n / 2) { REP(t, 0, 2) { score -= b[t][idx[t][i]]; score += a[t][idx[t][i]]; } } } print(ans); return 0; }
#include <stdio.h> #include <bits/stdc++.h> int main() { int i, N, A[2][100001]; scanf("%d", &N); for (i = 1; i <= N; i++) scanf("%d", &(A[0][i])); for (i = 1; i <= N; i++) scanf("%d", &(A[1][i])); int j, k, l, r; const long long inf = -(1LL << 60); long long dp[2][100001]; for (i = 0; i <= N; i++) { dp[0][i] = inf; dp[1][i] = inf; } dp[0][1] = A[0][1]; dp[1][1] = A[1][1]; for (i = 2; i <= N; i++) { if (i % 2 == 0) { dp[0][0] = dp[0][1] + A[0][i]; if (dp[0][0] < dp[1][1] + A[1][i]) dp[0][0] = dp[1][1] + A[1][i]; } else dp[1][0] = dp[0][0]; k = (i < N - i)? i: N - i; l = i % 2; r = 1 - i % 2; for (j = 2 - l; j <= k; j += 2) { dp[0][j] = dp[0][j-1] + A[r][i]; if (dp[0][j] < dp[0][j+1] + A[l][i]) dp[0][j] = dp[0][j+1] + A[l][i]; dp[1][j] = dp[1][j-1] + A[l][i]; if (dp[1][j] < dp[1][j+1] + A[r][i]) dp[1][j] = dp[1][j+1] + A[r][i]; } } printf("%lld\n", dp[0][0]); fflush(stdout); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i) #define ALL(v) (v).begin(),(v).end() #define CLR(t,v) memset(t,(v),sizeof(t)) template<class T1,class T2>ostream& operator<<(ostream& os,const pair<T1,T2>&a){return os<<"("<<a.first<<","<<a.second<< ")";} template<class T>void pv(T a,T b){for(T i=a;i!=b;++i)cout<<(*i)<<" ";cout<<endl;} template<class T>void chmin(T&a,const T&b){if(a>b)a=b;} template<class T>void chmax(T&a,const T&b){if(a<b)a=b;} ll nextLong() { ll x; scanf("%lld", &x); return x;} int main2() { ll S = nextLong(); ll P = nextLong(); for (ll a = 1; a * a <= P; a++) { if (P % a == 0) { ll b = P / a; if (a + b == S) { return 1; } } } return 0; } int main() { bool ans = main2(); cout << (ans ? "Yes":"No") << endl; return 0; }
#include <iostream> #include <bits/stdc++.h> using namespace std; int main(void){ int a,b; cin >> a >> b; int c; c=a+b; if(15<=c){ if(8<=b){ cout << "1" << endl; } else if(3<=b){ cout << "2" << endl; } else{ cout << "3" << endl; } } else if(10<=c){ if(3<=b){ cout << "2" << endl; } else{ cout << "3" << endl; } } else if(3<=c){ cout << "3" << endl; } else{ cout << "4" << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll MAXN = 3e5; ll n, a[MAXN]; ll solve() { sort(a, a+n); vector<ll> grps; ll last = 0, ans = 0; for (int i = 0; i < n; ++i) { if (a[i] != a[last]) { grps.push_back(i-last); last = i; } } grps.push_back(n-last); ll tot = accumulate(grps.begin(), grps.end(), 0LL); for (ll i: grps) { ans += i * (tot-i); tot -= i; } return ans; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> n; for (int i = 0; i < n; ++i) cin >> a[i]; cout << solve() << '\n'; return 0; }
#include<bits/stdc++.h> #define ll long long int #define rep(i,a,b) for (int i = a; i <b; i++) #define FASTIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); using namespace std; int main() {ll n;cin>>n;ll a[n],b[n]; ll sum=0,i; for(ll i=0;i<n;i++) { cin>>a[i]; } for( i=0;i<n;i++) { cin>>b[i]; } for(i=0;i<n;i++) { sum+=a[i]*b[i]; } cout<<((sum==0)?"Yes":"No"); }
#include<map> #include<ctime> #include<cstdio> #include<cctype> #define ll long long using namespace std; ll read() { char c; ll x=0,f=1; while(!isdigit(c=getchar())) f-=2*(c=='-'); while (isdigit(c)){ x=x*10+(c-48)*f; c=getchar(); } return x; } ll x,y; map<ll,ll>f; ll min(ll x,ll y){ return x<y?x:y; } ll dp(ll y){ if(f.count(y)) return f[y]; if(y<=x) return f[y]=x-y; ll res=y-x; if(y&1){ res=min(res,dp(y>>1)+2); res=min(res,dp((y+1)>>1)+2); } else res=min(res,dp(y>>1)+1); return f[y]=res; } int main() { #ifndef ONLINE_JUDGE freopen("F.in","r",stdin); freopen("F.out","w",stdout); #endif clock_t t1=clock(); //-------- x=read(); y=read(); dp(y); printf("%lld",f[y]); //-------- clock_t t2=clock(); fprintf(stderr,"time:%0.3lfs",1.0*(t2-t1)/CLOCKS_PER_SEC); return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; typedef long double ld; typedef long long int ll; typedef unsigned long long int ull; typedef vector<int> vi; typedef vector<char> vc; typedef vector<bool> vb; typedef vector<double> vd; typedef vector<string> vs; typedef vector<ll> vll; typedef vector<pair<int, int> > vpii; typedef vector<vector<int> > vvi; typedef vector<vector<char> > vvc; typedef vector<vector<string> > vvs; typedef vector<vector<ll> > vvll; typedef vector<vector<bool> > vvb; #define rep(i, n) for (int i = 0; i < int(n); ++i) #define rrep(i, n) for (int i = 1; i <= int(n); ++i) #define irep(it, stl) for (auto it = stl.begin(); it != stl.end(); it++) #define drep(i, n) for (int i = int(n)-1; i >= 0; --i) #define MES(a) MES2 a #define MES2(a0,a1,a2,a3,a4,x,...) x #define mes_1(x1) cout<<x1<<endl #define mes_2(x1,x2) cout<<x1<<" "<<x2<<endl #define mes_3(x1,x2,x3) cout<<x1<<" "<<x2<<" "<<x3<<endl #define mes_4(x1,x2,x3,x4) cout<<x1<<" "<<x2<<" "<<x3<<" "<<x4<<endl #define mes_5(x1,x2,x3,x4,x5) cout<<x1<<" "<<x2<<" "<<x3<<" "<<x4<<" "<<x5<<endl #define mes(...) CHOOSE((__VA_ARGS__,mes_5,mes_4,mes_3,mes_2,mes_1,~))(__VA_ARGS__) #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0,a1,a2,a3,a4,x,...) x #define debug_1(x1) cout<<#x1<<": "<<x1<<endl #define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl #define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl #define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl #define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl #define debug(...) CHOOSE((__VA_ARGS__,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__) #define ynmes(a) (a) ? mes("Yes") : mes("No") #define YNmes(a) (a) ? mes("YES") : mes("NO") #define re0 return 0 #define mp(p, q) make_pair(p, q) #define pb(n) push_back(n) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define Sort(a) sort(a.begin(), a.end()) #define rSort(a) sort(a.rbegin(), a.rend()) #define Rev(a) reverse(a.begin(), a.end()) #define MATHPI acos(-1) #define itn int; int dx[8] = { 1, 0, -1, 0, 1, -1, -1, 1 }; 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; } struct io { io() { ios::sync_with_stdio(false); cin.tie(0); } }; const int INF = INT_MAX; const ll LLINF = 1LL << 60; const ll MOD = 1000000007; const double EPS = 1e-9; ll modpow(ll x, ll y) { if(y == 1) { return x; } ll ans; if(y % 2 == 1) { ll r = modpow(x,(y-1)/2); ans = r * r % MOD; ans = ans * x % MOD; } else { ll r = modpow(x,y/2); ans = r * r % MOD; } return ans; } ll modncr(ll N, ll K) { ll res = 1; ll p=1; for (ll n = 0; n < K; ++n) { res = (res*(N - n))%MOD; p = (p*(n + 1))%MOD; } return (res*modpow(p,MOD-2))%MOD; } ll x, y; map <ll, ll> memo; ll rec(ll y) { if (y == 1) return abs(x-y); if (memo.find(y) != memo.end()) return memo[y]; if (y%2 == 0) { memo[y] = min(rec(y/2)+1, abs(y-x)); } else { memo[y] = min({rec(y+1)+1, rec(y-1)+1, abs(y-x)}); } return memo[y]; } signed main() { ll y; cin >> x >> y; mes(rec(y)); }
#include <iostream> #include <cmath> #include <vector> #include <algorithm> #include <functional> #include <set> using namespace std; using ll = long long int; using P = pair<int, int>; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) const ll INF = 1LL << 60; const double pi = acos(-1); ll mod = 1000000007; struct Edge { int to; long long w; Edge(int to, long long w) : to(to), w(w) {} }; struct dsu { vector<int> d; dsu(int n = 0): d(n,-1) {} int findRoot(int x) { if(d[x] < 0) return x; return d[x] = findRoot(d[x]); } bool unite(int x,int y) { x = findRoot(x); y = findRoot(y); if(x == y) return false; if(d[x] > d[y]) swap(x,y); d[x] += d[y]; d[y] = x; return true; } bool same(int x,int y) { return findRoot(x) == findRoot(y);} int size(int x) {return -d[findRoot(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; } // a^n mod を計算する long long modpow(long long a, long long n, long long mod) { long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } // a^{-1} mod を計算する long long modinv(long long a, long long mod) { return modpow(a, mod - 2, mod); } template <typename T> T my_lower_bound(vector<T> a, T lb, T ub, T k) { while(ub - lb > 1) { T mid = (lb + ub) / 2; if(a[mid] >= k) { ub = mid; }else{ lb = mid; } } return ub; } set<int> group; vector<vector<int>> g; vector<int> c, ans; vector<bool> ch; void dfs(int i) { for(auto t : g[i]) { if(ch[t]) continue; auto x = group.find(c[t]); if(x == group.end()) { group.insert(c[t]); ans.push_back(t); ch[t] = true; dfs(t); group.erase(c[t]); ch[t] = false; }else{ ch[t] = true; dfs(t); ch[t] = false; } } } int main() { int n; cin >> n; c.resize(n + 1); ch.resize(n + 1, false); rep1(i,n) cin >> c[i]; g.assign(n + 1, vector<int>()); rep1(i,n - 1) { int a, b; cin >> a >> b; g[a].push_back(b); g[b].push_back(a); } group.insert(c[1]); ans.push_back(1); ch[1] = true; dfs(1); sort(ans.begin(),ans.end()); for(auto t : ans) { cout << t << endl; } return 0; }
#include<iostream> #include<map> #include<vector> #include<algorithm> #include<queue> using namespace std; vector<int> good; map<int,vector<int>> adj; map<int,int> color; map<int,int> mark; void dfs(int node,vector<bool> &visited){ visited[node]=1; if(mark.count(color[node])==0){ mark[color[node]]=1; }else mark[color[node]]++; for(int i:adj[node]){ if(!visited[i]){ dfs(i,visited); } } if(mark[color[node]]==1){ good.push_back(node); } mark[color[node]]--; } int main(){ int vertex; cin>>vertex; int x,y; for(int i=0;i<vertex;i++){ cin>>x; color[i+1]=x; } for(int i=0;i<vertex-1;i++){ cin>>x>>y; adj[x].push_back(y); adj[y].push_back(x); } vector<bool> visited(vertex+1); dfs(1,visited); sort(good.begin(),good.end()); for(int i:good){ cout<<i<<"\n"; } return 0; }
#include<bits/stdc++.h> #define ll __int128 using namespace std; const int N = 55; int n; int primes[N] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47}, book[N]; ll ans = 1e30; ll gcd(ll a, ll b){ return b ? gcd(b, a % b) : a;} void print(__int128 x) { if(!x) { puts("0"); return ; } string ret=""; while(x) { ret+=x%10+'0'; x/=10; } reverse(ret.begin(),ret.end()); cout<<ret<<endl; } bool check(ll x){ for(int i = 1; i <= n; ++ i) if(gcd(x, book[i]) == 1) return false; return true; } int main(){ cin >> n; for(int i = 1; i <= n; ++ i) cin >> book[i]; for(int i = 1; i < (1 << 15); ++ i){ ll tmp = 1; for(int j = 0; j < 15; ++ j){ if((i >> j) & 1) tmp *= primes[j]; } //printf("ans = %d\n", ans); if(check(tmp)){ ans = min(ans, tmp); } } print(ans); return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<n;i++) string S; char mem[1000020]; const int base = 500010; signed main() { cin >> S; // int l = base, r = base + 1; // bool flip = false; // for(auto e : S) // { // if(e == 'R')flip = !flip; // else // { // if(flip)mem[l--] = e; // else mem[r++] = e; // } // } // string s; // if(flip)for(int i = r - 1; i > l; i--)s.push_back(mem[i]); // else for(int i = l + 1; i < r; i++)s.push_back(mem[i]); // cout << s << endl; deque<char> s; bool flip = false; for(auto e : S) { if(e == 'R')flip = !flip; else { if(flip)s.push_front(e); else s.push_back(e); } } if(flip)reverse(s.begin(), s.end()); string ans; for(int i = 0; i < s.size(); i++) { if(ans.size() == 0 || ans.back() != s[i])ans.push_back(s[i]); else ans.pop_back(); } cout << ans << endl; return 0; }
//Let's join Kaede Takagaki Fan Club !! #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; //#define int long long typedef long long ll; typedef pair<int,int> P; typedef pair<int,P> P1; typedef pair<P,P> P2; #define pu push #define pb push_back #define eb emplace_back #define mp make_pair #define eps 1e-7 #define INF 1000000000 #define a first #define b second #define fi first #define sc second #define rng(i,a,b) for(int i=int(a);i<int(b);i++) #define rep(i,x) for(int i=0;i<x;i++) #define repn(i,x) for(int i=1;i<=x;i++) #define SORT(x) sort(x.begin(),x.end()) #define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end()) #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) #define all(x) x.begin(),x.end() #define si(x) int(x.size()) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;} template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;} template<class t> using vc=vector<t>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.fi<<","<<p.sc<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } template<class T> void g(T &a){ cin >> a; } template<class T> void o(const T &a,bool space=false){ cout << a << (space?' ':'\n'); } //ios::sync_with_stdio(false); const ll mod = 998244353; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); template<class T> void add(T&a,T b){ a+=b; if(a >= mod) a-=mod; } ll modpow(ll x,ll n){ ll res=1; while(n>0){ if(n&1) res=res*x%mod; x=x*x%mod; n>>=1; } return res; } int par[2205],ran[2205]; void init(){ for(int i=0;i<2205;i++) par[i] = i; } int find(int x){ if(x == par[x]) return x; else return par[x] = find(par[x]); } void unite(int x,int y){ x = find(x); y = find(y); if(x==y) return; if(ran[x] < ran[y]) par[x] = y; else{ par[y] = x; if(ran[x] == ran[y]) ran[x]++; } } bool same(int x,int y){ return find(x)==find(y); } int n, m; string str[1005]; void solve(){ init(); cin >> n >> m; rep(i, n) cin >> str[i]; unite(0, n); unite(0, n+m-1); unite(n-1, n); unite(n-1, n+m-1); rep(i, n){ rep(j, m){ if(str[i][j] == '#'){ unite(i, j + n); } } } set<int>x, y; rep(i, n) x.insert(find(i)); rep(i, m) y.insert(find(n + i)); cout << min(si(x), si(y)) - 1 << endl; } signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int t; t = 1; //cin >> t; while(t--) solve(); }
#include <stdio.h> #include <set> #define MN 1000 int h,w,fa[MN*2+5]; char s[MN+5][MN+5]; int r(int x){ return x; } int c(int x){ return x+h; } int gf(int u){ return fa[u]==u?u:fa[u]=gf(fa[u]); } void unite(int u,int v){ u = gf(u); v = gf(v); if(u==v) return; fa[v] = u; } int main(){ scanf("%d%d",&h,&w); for(int i=1;i<=h+w;i++) fa[i] = i; for(int i=1;i<=h;i++) scanf("%s",&s[i][1]); unite(r(1),r(h)); unite(c(1),c(w)); unite(r(1),c(1)); for(int i=1;i<=h;i++) for(int j=1;j<=w;j++) if(s[i][j]=='#') unite(r(i),c(j)); int ans = 0x3fffffff; { std::set<int> s; for(int i=1;i<=h;i++) s.insert(gf(r(i))); ans = std::min(ans,(int)s.size()-1); } { std::set<int> s; for(int i=1;i<=w;i++) s.insert(gf(c(i))); ans = std::min(ans,(int)s.size()-1); } printf("%d\n",ans); }
#include<bits/stdc++.h> using namespace std; using ll = long long; using Graph = vector<vector<int>>; #define ALL(x) (x).begin(), (x).end() #define REP(i ,n) for(int i = 0; i < (int)(n); i++) #define pb push_back #define mp make_pair typedef vector<int>vint; typedef vector<ll>vll; template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; } template<typename A,typename B>inline bool chmin(A &a,const B &b){if(a>b){a=b;return true;}else{return false;}} template<typename A,typename B>inline bool chmax(A &a,const B &b){if(a<b){a=b;return true;}else{return false;}} int main() { double sx,sy,gx,gy; cin >> sx >> sy >> gx >> gy; double ans = (sy*gx + sx*gy)/(sy+gy); cout << fixed << setprecision(10); cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; int main() { long long a,b,n,m,x1,x2,x3,x4,k,k1; cin>>n>>m>>a>>b; x1=n-a; x2=n-b; x3=m-a; x4=m-b; k=max(x1,x2); k1=max(x3,x4); cout<<max(k,k1)<<endl; }
#include<bits/stdc++.h> using namespace std; const int MAX_N = 2000; vector<vector<int>>G; bool temp[MAX_N]; void dfs(int v) { if (temp[v])return; temp[v] = true; for (auto vv : G[v])dfs(vv); } int main() { int N, M; cin >> N >> M; G.resize(N); for (int i = 0; i < M; i++) { int a, b; cin >> a >> b; G[a - 1].push_back(b - 1); } int ans = 0; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++)temp[j] = false; dfs(i); for (int j = 0; j < N; j++)if (temp[j])ans++; } cout << ans; }
#include <bits/stdc++.h> using namespace std; #define int long long const int N=2e5+5; int mod=1e9+7; int gcd(int x,int y) { if(y==0) { return x; } return gcd(y,x%y); } int power(int a,int n) { int res=1; while(n) { if(n%2) { res=(res*a)%mod; } n=n/2; a=(a*a)%mod; } return res; } vector<vector<int>> adj; vector<bool> vis; void dfs(int v) { vis[v]=true; int i,n=adj[v].size(); for(i=0;i<n;i++) { if(!vis[adj[v][i]]) { dfs(adj[v][i]); } } } void solve() { int i,n,m,x,y,cnt=0; cin>>n>>m; adj.resize(n+1); for(i=0;i<m;i++) { cin>>x>>y; adj[x].push_back(y); } for(i=1;i<=n;i++) { vis.assign(n,false); dfs(i); for(int j=1;j<=n;j++) { cnt=cnt+vis[j]; } } cout<<cnt<<"\n"; } int32_t main() { int t=1; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; vector<int64_t> data(N); for(int i=0; i<N; i++){ cin >> data.at(i); } unordered_map<int64_t, int64_t> freq_altsum; freq_altsum[0]++; int64_t altsum= 0; for(int i=0; i<N; i++){ altsum= (i%2==0) ? data.at(i)+ altsum : -data.at(i)+ altsum; freq_altsum[altsum]++; } // for(const auto& [val,freq]:freq_altsum){ // cout << val <<": "<< freq << endl; // } int64_t ans= 0; for(const auto& [val,freq]:freq_altsum){ ans+= freq* (freq- 1)/ 2; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define int long long #define fs first #define sc second #define sz(x) (int)x.size() #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define pb push_back #define MP make_pair mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); signed main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #ifdef FlameDragon freopen("in.txt", "r", stdin); #endif int n; cin >> n; vector<int> a(n + n); vector<pair<int, int>> b(n + n); for (int i = 0; i < n + n; i++) { cin >> a[i]; b[i] = {a[i], i}; } vector<int> c(n + n); sort(all(b)); for (int i = 0; i < n; i++) { c[b[i].second] = true; } string ans(n + n, '('); vector<pair<int, char>> st; for (int i = 0; i < n + n; i++) { if (!sz(st)) { st.push_back({c[i], '('}); } else if (st.back().first == c[i]) { ans[i] = st.back().second; st.push_back(st.back()); } else { ans[i] = st.back().second ^ '(' ^ ')'; st.pop_back(); } } cout << ans << '\n'; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(i64 i=0; i<n; i++) #define all(v) v.begin(),v.end() #define pp pair<int,int> using Graph=vector<vector<int>>; using i64=int64_t; int main() { int n,m;cin>>n>>m; rep(i,m) { string s; cin>>s; } rep(i,20) { rep(j,20) { cout << "H"; } cout << endl; } }
#include <bits/stdc++.h> using namespace std; #define ll long long #define vi vector<int> #define rep(i,n) for(ll i=0; i<(n);++i) #define pb push_back template<typename T> int max_index(vector<T>& v){auto mi = max_element(v.begin(), v.end()); return distance(v.begin(), mi);} template<typename T> ll max_value(vector<T>& v){auto mi = max_element(v.begin(),v.end()); return (*mi);} int main() { int n; cin >> n; vector<ll> a(n); vector<ll> 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 amax = 0; for(int i = 0; i < n; i++){ amax = max(amax, a[i]); if(ans < amax*b[i]) ans = amax*b[i]; cout << ans << endl; } return 0; }
#include <algorithm> #include <iostream> #include <string> #include <functional> #include <vector> #include <numeric> #include <iomanip> #include <utility> #include <cmath> #include <climits> #include <queue> #include <bitset> using namespace std; typedef vector<vector<long> > dim2veclo; typedef vector<vector<int> > dim2vecin; typedef vector<int> vecin; typedef vector<long> veclo; vecin takahashi = vecin(10, 0); vecin aoki = vecin(10, 0); vector<double> maisuu; long tensuuT = 0, tensuuA = 0; int main() { cout << fixed << setprecision(15); int k; double kakuritu = 0; cin >> k; string s, t; cin >> s >> t; maisuu = vector<double>(10, k); for (int i = 0; i < 4; i++) { int ss = s[i] - '0'; int tt = t[i] - '0'; takahashi[ss]++; aoki[tt]++; maisuu[ss]--; maisuu[tt]--; } for (int i = 1; i <= 9; i++) { tensuuT += (i * pow(10, takahashi[i])); tensuuA += (i * pow(10, aoki[i])); } for (int i = 1; i <= 9; i++) { for (int j = 1; j <= 9; j++) { if (i == j) { if (maisuu[i] <= 1) continue; } else { if (maisuu[i] == 0) continue; if (maisuu[j] == 0) continue; } long T = tensuuT + i * 9 * pow(10, takahashi[i]); long A = tensuuA + j * 9 * pow(10, aoki[j]); if (T > A) { double bunbo = 9 * k - 8; double bunsi1 = maisuu[i]; double bunsi2; if (i == j) bunsi2 = maisuu[i] - 1; else bunsi2 = maisuu[j]; kakuritu += (bunsi1 / bunbo) * (bunsi2 / (bunbo - 1)); } } } cout << kakuritu; return 0; }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define eb emplace_back #define x first #define y second #define FOR(i, m, n) for (ll i(m); i < n; i++) #define DWN(i, m, n) for (ll i(m); i >= n; i--) #define REP(i, n) FOR(i, 0, n) #define DW(i, n) DWN(i, n, 0) #define F(n) REP(i, n) #define FF(n) REP(j, n) #define D(n) DW(i, n) #define DD(n) DW(j, n) using ll = long long; using ld = long double; using pll = pair<ll, ll>; using tll = tuple<ll, ll, ll>; using vll = vector<ll>; using vpll = vector<pll>; using vtll = vector<tll>; using gr = vector<vll>; using wgr = vector<vpll>; void add_edge(gr&g,ll x, ll y){ g[x].pb(y);g[y].pb(x); } void add_edge(wgr&g,ll x, ll y, ll z){ g[x].eb(y,z);g[y].eb(x,z); } template<typename T,typename U> ostream& operator<<(ostream& os, const pair<T,U>& p) { cerr << ' ' << p.x << ',' << p.y; return os; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for(auto x: v) os << ' ' << x; return os; } template <typename T> ostream& operator<<(ostream& os, const set<T>& v) { for(auto x: v) os << ' ' << x; return os; } template<typename T,typename U> ostream& operator<<(ostream& os, const map<T,U>& v) { for(auto x: v) os << ' ' << x; return os; } struct d_ { template<typename T> d_& operator,(const T& x) { cerr << ' ' << x; return *this;} } d_t; #define dbg(args ...) { d_t,"|",__LINE__,"|",":",args,"\n"; } #define deb(X ...) dbg(#X, "=", X); #define EPS (1e-10) #define INF (1LL<<61) #define YES(x) cout << (x ? "YES" : "NO") << endl; #define CL(A,I) (memset(A,I,sizeof(A))) #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() ll score(map<ll,ll> m) { ll ret = 0; for(auto i: m) ret += i.x*pow(10,i.y); return ret; } int main(void) { ios_base::sync_with_stdio(false); ll k; string s,t; cin >> k >> s >> t; vll v(10,k); v[0]=0; map<ll,ll> A,B; FOR(i,1,10) { A[i]=0; B[i]=0; } F(4) { v[s[i]-'0']--; A[s[i]-'0']++; } F(4) { v[t[i]-'0']--; B[t[i]-'0']++; } ll cnt = 0; FOR(i,1,10) cnt+=v[i]; double ret = 0; FOR(a,1,10) FOR(b,1,10) { v[a]--; v[b]--; bool nok = v[a]<0 || v[b]<0; v[a]++; v[b]++; if(!nok) { A[a]++; B[b]++; if(score(A) > score(B)) { // dbg(v[a],v[b],cnt); double cur = double(v[a])/(cnt) * (v[b]-(a==b))/(cnt-1); ret+=cur; // dbg(a,b,cur, score(A), score(B)); } A[a]--; B[b]--; } } cout << fixed << setprecision(8) << ret << endl; return 0; }
//***JAI SHREE KRISHNA*** #include<bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define mp make_pair #define pii pair<int,int> #define inf 1e18 #define MAX INT_MAX #define MIN INT_MIN #define F first #define S second #define pbmax priority_queue<int>//max heap #define pbmin priority_queue<int, vector<int>, greater<int>>//min heap priority_queue #define lpi(i,a,b) for(int i=0;i<n;i++) #define lpd(i,a,b) for(int i=a;i>=b;i--) const double pi = 3.14159265359; const int mod = 1e9 + 7; void task() { int a, b, c, d; cin >> a >> b >> c >> d; int ans = -1; int blue = a; int red = 0; for (int i = 1; i <= 1e5; i++) { blue += b; red += c; if (blue <= (red )*d) { ans = i; break; } } cout << ans; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int test_cases = 1; //cin >> test_cases; while (test_cases--) { task(); } return 0; }
#include <bits/stdc++.h> using namespace std; //#include<atcoder/all> //using namespace atcoder; using ll = long long; #define INF32 2147483647 const long long INF = 1LL << 60; 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;} int main(){ int A,B,C,D; cin >> A >> B >> C >> D; double CD_B = C * D - B; double ans = 0; if(CD_B <= 0 ){ cout << -1 << endl; }else{ ans = A / CD_B; cout << ceil(ans) << endl; } return 0; }
#include<iostream> #include<algorithm> #include<vector> #include<string> #include<stdio.h> #include<deque> #include<map> #include<queue> #include<cmath> #include<set> typedef long long ll; #define debug(x) cout << #x << '=' << x << endl; #define debug_arr(a, n) for(ll i = 0; i < n; i++){cout << a[i] << ' ';} cout << endl; #define inf 100000000000 #define loop(i,n) for(ll i = 0; i < n; i++) #define graph vector<vector<ll>> #define P pair<ll,ll> using namespace std; int main(){ ll n; cin >> n; vector<P> jobs(n); loop(i,n){ cin >> jobs[i].first >> jobs[i].second; } ll ans = inf; loop(i,n){ loop(j,n){ if(i == j) ans = min(jobs[i].first + jobs[j].second, ans); else ans = min(max(jobs[i].first, jobs[j].second), ans); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define file(x) freopen(#x".in", "r", stdin), freopen(#x".out", "w", stdout) using ll = long long; const int N(1e5 + 10); int n, tr[200]; std::vector<ll> a[3]; #define Odd(x) ((x) & 1) ll Dis(int x, int y) { std::set<ll> S; ll ans = 1e18; for (auto i : a[y]) S.insert(i); for (auto i : a[x]) { auto it = S.lower_bound(i); if (it != S.end()) ans = std::min(ans, *it - i); if (it != S.begin()) ans = std::min(ans, i - *std::prev(it)); } return ans; } int main() { #ifndef ONLINE_JUDGE file(cpp); #endif tr['R'] = 0, tr['G'] = 1, tr['B'] = 2; std::ios::sync_with_stdio(false), std::cin.tie(nullptr), std::cin >> n; for (int i = 1; i <= (n << 1); i++) { ll x; char c; std::cin >> x >> c; a[tr[c]].push_back(x); } if (!(Odd(a[0].size()) || Odd(a[1].size()) || Odd(a[2].size()))) return puts("0"), 0; if (!Odd(a[0].size())) std::swap(a[0], a[2]); if (!Odd(a[1].size())) std::swap(a[1], a[2]); printf("%lld\n", std::min(Dis(0, 2) + Dis(1, 2), Dis(0, 1))); return 0; }
#include<bits/stdc++.h> #define fo(i,a,b)for(int i=a;i<b;i++) long long dp[105][600006],t; main(){int n,k,M,b;std::cin>>n>>k>>M;dp[0][0]=1,b=n*(n+1)/2*k;fo(i,1,n+1)fo(s,0,b+1) dp[i][s]=(dp[i-1][s]+(s<i?0:dp[i][s-i])+M-(s<i*(k+1)?0:dp[i-1][s-i*(k+1)]))%M; fo(i,1,n+1){t=0;fo(s,0,b+1)t=(t+dp[i-1][s]*dp[n-i][s])%M; std::cout<<(t*(k+1)+M-1)%M<<'\n';}}
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define sz(a) ((int)a.size()) #define re return #define all(a) a.begin(),a.end() #define int long long #define Type int #define rept(i,a,b) for(int i=(a);i<(b);i++) #define rep(i,a) rept(i,0,a) using namespace std; void fail(string s){ cout<<s;exit(0); } void fail(int s){ cout<<s;exit(0); } const int dx[4]={-1,1,0,0}; const int dy[4]={0,0,-1,1}; void init(){ } void run(){ int a,b,c; cin>>a>>b>>c; int d=b*b+c*c; if (d<a*a) fail(2); rep(ans,1000000000000000){ int t=(ans*a)*(ans*a); if (t>=d){ fail(ans); } } } signed main() { init(); int tc=1; // cin>>tc; while (tc--){ run(); } re 0; }
#include <bits/stdc++.h> using namespace std; int main() { float A,B; cin >> A >> B; float V; V = (A - B) / A * 100; cout << V << endl; }
#include <algorithm> #include <bitset> #include <cctype> #include <cmath> #include <cstdint> #include <cstdio> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; // clang-format off #define PI 3.14159265358979323846264338327950L #define rep(i,n) for (int i=0; i<(int)(n); ++i) #define rep2(i,s,n) for (int i=(s); i<(int)(n); ++i) #define prep_ios(do_flush) if(!do_flush){ ios::sync_with_stdio(false);cin.tie(nullptr);constexpr char endl='\n'; } cout<<fixed<<setprecision(20) #define put(expr) cout<<expr<<'\n' template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "[ "; for (auto v: vec) os << v << " "; os << "]"; return os; }template<typename T> ostream &operator<<(ostream &os, const deque<T> &vec){ os << "< "; for (auto v: vec) os << v << " "; os << ">"; return os; } template<typename T> ostream &operator<<(ostream &os, const set<T> &vec){ os << "{ "; for (auto v: vec) os << v << " "; os << "}"; return os; }template<typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec){ os << "{ "; for (auto v: vec) os << v << " "; os << "}"; return os; } template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp){ os << "{ "; for (auto v: mp) os << v.first << ": " << v.second << ", "; os << "}"; return os; }template<typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp){ os << "{ "; for (auto v: mp) os << v.first << ": " << v.second << ", "; os << "}"; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa){ os << "(" << pa.first << ", " << pa.second << ")"; return os; } typedef int8_t i8; typedef int16_t i16; typedef int32_t i32; typedef int64_t i64; typedef uint8_t u8; typedef uint16_t u16; typedef uint32_t u32; typedef uint64_t u64; typedef float f32; typedef double f64; typedef long double f80; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef map<int, int> mii; typedef __int128_t i128; i128 parse(string &s) { i128 ret = 0; for (int i = 0; i < s.length(); i++) if ('0' <= s[i] && s[i] <= '9') ret = 10 * ret + s[i] - '0'; return ret; } istream &operator>>(istream &is, i128 &v) { string s; is >> s; v = parse(s); return is; } ostream &operator<<(ostream &os, const i128 &v) { if (v == 0) return (os << "0"); i128 num = v; if (v < 0) { os << '-'; num = -num; } string s; for (; num > 0; num /= 10) s.push_back('0' + (char)(num % 10)); reverse(s.begin(), s.end()); return (os << s); } template <typename T> bool chmax(T &now, const T &cand) { if (now < cand) { now = cand; return true; } return false; } template <typename T> bool chmin(T &now, const T &cand) { if (now > cand) { now = cand; return true; } return false; } template <typename T> T gcd(const T &a, const T &b) { if (a % b == 0) return b; return gcd(b, a % b); } template <typename T> T lcm(const T &a, const T &b) { return a * b / gcd(a, b); } template <typename T> T nCr(const T &n, T k) { if (k > n) return 0; if (k * 2 > n) k = n - k; if (k == 0) return 1; int result = n; for (int i = 2; i <= k; ++i) { result *= (n - i + 1); result /= i; } return result; } const int INF = 1<<30; /* INF > 10^9 */ const i64 INFLL = 1LL<<60; /* INFLL > 10^18 */ const string YES = "Yes", NO = "No"; // clang-format on? int main() { prep_ios(true); f64 A,B; cin >> A>>B; put(100.0-(B/A)*100.0); }
#include<bits/stdc++.h> using namespace std ; # define all(v) (v).begin() , (v).end() # define allrev(v) (v).rbegin() , (v).rend() # define allcomp(v) (v).begin() , (v).end() , comp # define ll long long # define ld long double # define line cout << "\n" ; # define fast ios_base :: sync_with_stdio ( false ) ; cin.tie ( 0 ) ; # define pii pair < int , int > # define pll pair < ll , ll > # define F first # define S second const int mod = 1e9 + 7 ; const int dx[] = { -1 , 0 , 1 , 0 , -1 , -1 , 1 , 1 } ; const int dy[] = { 0 , 1 , 0 , -1 , -1 , 1 , -1 , 1 } ; void solve ( int test_case ) { int a , b , c , d ; cin >> a >> b >> c >> d ; int ans = b - c ; cout << ans ; line ; } int main() { int t = 1 ; // cin >> t ; for ( int i = 1 ; i <= t ; i ++ ) { solve ( i ) ; } return 0 ; }
#define _DEBUG #include "bits/stdc++.h" //#include <atcoder/all> #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0,a1,a2,a3,a4,a5,x,...) x #define debug_1(x1) cout<<#x1<<": "<<x1<<endl #define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl #define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl #define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl #define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl #define debug_6(x1,x2,x3,x4,x5,x6) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<", "#x6<<": "<<x6<<endl #ifdef _DEBUG #define debug(...) CHOOSE((__VA_ARGS__,debug_6,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__) #else #define debug(...) #endif #define rep(index,num) for(int index=0;index<(int)num;index++) #define rep1(index,num) for(int index=1;index<=(int)num;index++) #define brep(index,num) for(int index=(int)num-1;index>=0;index--) #define brep1(index,num) for(int index=(int)num;index>0;index--) #define scan(argument) cin>>argument #define prin(argument) cout<<argument<<endl #define prind(argument) cout<<std::fixed<<setprecision(13)<<argument<<endl #define kaigyo cout<<endl #define eps 1e-7 #define mp(a1,a2) make_pair(a1,a2) #define ALL(a) (a).begin(),(a).end() #define rALL(a) (a).rbegin(),(a).rend() #define puba(a) emplace_back(a) #define pubamp(a,b) emplace_back(mp(a,b)) typedef long long ll; typedef long double ld; using namespace std; //using namespace atcoder; typedef pair<ll,ll> pll; typedef pair<int,int> pint; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<pint> vpint; typedef vector<pll> vpll; 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; } ll INFl=(ll)1e+18+1; int INF=1e+9+1; int main(){ int a,b,c,d; scan(a>>b>>c>>d); prin(b-c); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < int(n); ++i) #define repp(i, n, m) for (int i = m; i < int(n); ++i) //alias g++='g++ -I/mnt/c/Users/Owner/Desktop/ac-library' using ll = long long; using ld = long double; using P = pair<int, int>; using PI = pair<pair<int, int>, int>; using PL = pair<long long, long long>; using PLL = pair<pair<long long, long long>, long long>; using Pxy = pair<long double, long double>; const int INF = 1001001007; const int modd = 1000000007; const long long modl = 1000000007LL; const long long mod = 998244353LL; const ll inf = 2e18; void yes() { cout << "Yes" << endl; } void no() { cout << "No" << endl; } void yn(bool t) { if (t) yes(); else no(); } void Yes() { cout << "YES" << endl; } void No() { cout << "NO" << endl; } void YN(bool t) { if (t) Yes(); else No(); } vector<int> dx = { 0, 1, 0, -1 }; vector<int> dy = { 1, 0, -1, 0 }; const string ALP = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const string alp = "abcdefghijklmnopqrstuvwxyz"; int main() { string S; cin >> S; deque<char> T; bool flag = false; for (char s : S) { if (s == 'R') { flag = flag ? false : true; } else { if (flag) T.push_front(s); else T.push_back(s); } } if (flag == true) reverse(T.begin(), T.end()); string U; rep(i,T.size()){ if(U.size() && T[i]==U.back()){ U.pop_back(); } else U.push_back(T[i]); } cout << U << endl; }
#pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #pragma GCC optimize ("trapv") #include<bits/stdc++.h> #define ll long long #define ff first #define ss second #define mkp make_pair #define pb push_back #define pf push_front #define inf 1000000000 #define maxn 300005 #define mod 100000000 #define mod1 1000000009 using namespace std; void solve(){ ll n; cin>>n; ll ans_=LONG_LONG_MAX; for(int i=0;i<60;++i){ ll t=(1LL<<i); ll c=n%t; ll a=(n/t); ans_=min(ans_,a+c+i); } cout<<ans_<<'\n'; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif // int t; // cin>>t; // while(t--) solve(); return 0; }
#include<bits/stdc++.h> #define rep(i,n) for(int i = 0;i < (n);i++) typedef long long ll; const int N = 100000000; using namespace std; //100000000 int main(){ int n; cin >> n; vector<long long> a(n); rep(i,n)cin >> a[i]; sort(a.begin(), a.end(), greater<long long>()); // rep(i,n){ // cout << a[i] << " "; // } // cout << endl; vector<long long> sum(n); rep(i,n){ sum[i] = a[i]; } rep(i,n){ if(i == 0)continue; sum[i] += sum[i - 1]; } rep(i, n){ // cout << sum[i] << " "; } // cout << endl; long long ans = 0; for(int i = 0;i < n - 1;i++){ ans += a[i] * (n - i - 1) - (sum[n - 1] - sum[i]); // cout << ans << endl; } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef vector <int> vi; typedef pair< int ,int > pii; #define endl "\n" #define sd(val) scanf("%d",&val) #define ss(val) scanf("%s",&val) #define sl(val) scanf("%lld",&val) #define debug(val) printf("check%d\n",val) #define all(v) v.begin(),v.end() #define PB push_back #define MP make_pair #define FF first #define SS second #define ll long long #define MOD 1000000007 #define clr(val) memset(val,0,sizeof(val)) #define what_is(x) cerr << #x << " is " << x << endl; #define OJ \ freopen("input.txt", "r", stdin); \ freopen("output.txt", "w", stdout); #define FIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); int main() { ll n;cin>>n; vector<int>aa(31,0); aa[2]=aa[3]=aa[5]=aa[7]=aa[11]=aa[13]=aa[17]=aa[19]=aa[23]=aa[29]=1; ll v=1; if(n==30)n=29; for(ll i=n;i>=2;i--){ if(v%i!=0)v*=i; } // map<int,ll>dp; // dp.clear(); // for(ll i=0;i<31;i++){ // if(aa[i]==0)continue; // else{ // for(int j=1;j<=n;j++){ // ll u = j; // ll k = 0; // if(u%i==0){ // k++; // u/=i; // } // dp[i]=max(dp[i],k); // } // } // } // for(ll i=0;i<31;i++){ // if(aa[i]){ // ll ff=1; // for(int j=1;j<=dp[i];j++){ // ff*=i; // } // // cout<<ff<<" "; // v*=ff; // } // } cout<<(v+1)<<"\n"; // for(int i=2;i<=n;i++){ // cout<<(v+1)%i<<" "; // } // cout<<"\n"; return 0; }
#include <bits/stdc++.h> #include <iostream> #include <queue> #include <stack> #include <vector> #include <string> #include <set> #include <map> #include <random> #define rep(i,n) for (int i = 0; i < (n); ++i) #define repp(i,n,m) for (int i = m; i < (n); ++i) #define repl(i,n) for (long long i = 0; i < (n); ++i) #define reppl(i,n,m) for (long long i = m; i < (n); ++i) //#define int long long using namespace std; //#include <atcoder/all> //using namespace atcoder; using ll = long long; using ld = long double; using P = pair<int, int>; using PI = pair<pair<int,int>,int>; using PL = pair<long long, long long>; using PLL = pair<pair<long long, long long>, long long>; using Pxy = pair<long double, long double>; using Tiib = tuple<int, int, bool>; using vvl = vector<vector<ll>>; const int INF = 1001001007; const int modd = 1000000007; const long long modl = 1000000007LL; const long long mod = 998244353LL; const ll inf = 1e18; template <typename AT> void printvec(vector<AT> &ar){ rep(i,ar.size()-1) cout << ar[i] << " "; cout << ar[ar.size()-1] << endl; } template <typename Q> void printvvec(vector<vector<Q>> &ar){ rep(i,ar.size()){ rep(j,ar[0].size()-1) cout << ar[i][j] << " "; cout << ar[i][ar[0].size()-1] << endl; } } template <typename S> bool range(S a, S b, S x){ return (a <= x && x < b); } void yes(){ cout << "Yes" << endl; } void no (){ cout << "No" << endl; } ll cel (ll a, ll b){ if (a % b == 0) return a / b; else return a / b + 1; } ll gcds(ll a, ll b){ ll c = a % b; while (c != 0){ a = b; b = c; c = a % b; } return b; } char rps(char a, char b){ if (a == b) return a; if (a == 'P'){ if (b == 'R') return a; else return b; } if (a == 'R'){ if (b == 'P') return b; else return a; } if (a == 'S'){ if (b == 'P') return a; else return b; } } int main(){ int n, k; cin >> n >> k; string s; cin >> s; s += s; rep(i,k){ string t = ""; rep(j,s.size() / 2){ t += rps(s[2*j],s[2*j+1]); } t += t; s = t; } cout << s[0] << endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define endl '\n' #define sz(v) (int)v.size() #define all(v) v.begin(), v.end() void dbg_out() { cerr << "\b\b]\n"; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T){ cerr << H << ", "; dbg_out(T...);} #define watch(...) cerr << "[" << #__VA_ARGS__ << "]: [", dbg_out(__VA_ARGS__) /****************************** CODE IS HERE ***********************************/ int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; vector <int> A(n), B(m); for (int &i: A) cin >> i; for (int &i: B) cin >> i; vector <vector<int>> dp(n+1, vector<int>(m+1, -1)); function<int(int, int)> go = [&](int i, int j) { if (i == n and j == m) return 0; if (i < n and j == m) return (n - i); if (i == n and j < m) return (m - j); int &res = dp[i][j]; if (res != -1) return res; int ans = 1e9; if (A[i] == B[j]) ans = go(i+1, j+1); else ans = 1 + go(i+1, j+1); ans = min({ans, 1 + go(i+1, j), 1 + go(i, j+1)}); return res = ans; }; cout << go(0, 0); return 0; } /* f(i, j) => min { if (A[i] == B[j]) f(i+1, j+1), 1 + f(i+1, j), 1 + f(i, j+1), 1 + f(i+1, j+1) } base cases: if (i == n and j == m) return 0; if (i < n and j == m) return (n-i); if (i == n and j < m) return (m - j); */
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (a), i##end = (b); i <= i##end; ++i) #define per(i, a, b) for (int i = (a), i##end = (b); i >= i##end; --i) namespace IO { const int MAXIOSIZE = 1 << 24 | 1; unsigned char buf[MAXIOSIZE], *p1, *p2; #define gc (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 24, stdin), p1 == p2) ? EOF : *p1++) template <typename T> void read(T& x) { x = 0; char ch = gc; bool flg = false; for (; ch < '0' || '9' < ch; ch = gc) if (ch == '-') flg |= true; for (; '0' <= ch && ch <= '9'; ch = gc) x = x * 10 + ch - '0'; flg ? x = -x : 0; } template <typename T> void out(const T& x) { if (x > 9) out(x / 10); putchar(x % 10 + '0'); } template <typename T> inline void write(const T& x, const char& ed = ' ') { if (x < 0) putchar('-'), out(-x); else out(x); putchar(ed); } } typedef long long ll; const int MAXN = 2e5 + 10; const int MAXLOG = 18 + 10; int n, q; vector<int> E[MAXN]; pair<int, int> Edge[MAXN]; int dfsclock, dtp[MAXN]; struct Vertex { int dfn, dep, sz, fa[MAXLOG]; ll val; } vtx[MAXN]; void dfs(int u) { dtp[ vtx[u].dfn = ++dfsclock ] = u, vtx[u].sz = 1; rep(i, 1, 18) vtx[u].fa[i] = vtx[vtx[u].fa[i - 1]].fa[i - 1]; vtx[u].dep = vtx[vtx[u].fa[0]].dep + 1; for (int v : E[u]) { if (v == vtx[u].fa[0]) continue; vtx[v].fa[0] = u; dfs(v); vtx[u].sz += vtx[v].sz; } } bool anc_son(int u, int v) { return vtx[u].dfn <= vtx[v].dfn && vtx[v].dfn <= vtx[u].dfn + vtx[u].sz - 1; } int get_vertex(int u, int v) { // get the closest vertex from u to v int r = u; per(bit, 18, 0) if (vtx[vtx[r].fa[bit]].dep >= vtx[v].dep + 1) r = vtx[r].fa[bit]; return r; } inline void work(int u, int v, int x) { // reachable for u, withou reaching v if (anc_son(u, v) || anc_son(v, u)) { if (vtx[u].dep < vtx[v].dep) return vtx[1].val += x, vtx[v].val -= x, void(); u = get_vertex(u, v); vtx[u].val += x; return ; } vtx[1].val += x, vtx[v].val -= x; } ll ans[MAXN]; void calc_ans(int u) { vtx[u].val += vtx[vtx[u].fa[0]].val; ans[u] = vtx[u].val; for (int v : E[u]) if (v != vtx[u].fa[0]) calc_ans(v); } int main() { #ifdef LOCAL freopen("in.txt", "r", stdin); #endif IO::read(n); rep(i, 1, n - 1) { int u, v; IO::read(u), IO::read(v); Edge[i] = make_pair(u, v); E[u].push_back(v), E[v].push_back(u); } IO::read(q); dfs(1); rep(i, 1, q) { int t, e, x, u, v; IO::read(t), IO::read(e), IO::read(x); u = Edge[e].first, v = Edge[e].second; if (t == 2) swap(u, v); work(u, v, x); } calc_ans(1); rep(i, 1, n) IO::write(ans[i], '\n'); return 0; }
#include <iostream> #include <vector> #include <map> #include <set> #include <queue> #include <algorithm> #include <string> #include <cmath> #include <cstdio> #include <iomanip> #include <fstream> #include <cassert> #include <cstring> #include <unordered_set> #include <unordered_map> #include <numeric> #include <ctime> #include <bitset> #include <complex> #include <chrono> #include <random> #include <functional> using namespace std; #define int long long signed main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, C; cin >> n >> C; map<int, vector<int>> op; map<int, vector<int>> cl; vector<int> ip; for (int i = 0; i < n; i++) { int a, b, c; cin >> a >> b >> c; op[a].push_back(c); cl[b].push_back(c); ip.push_back(a); ip.push_back(b); } sort(ip.begin(), ip.end()); ip.resize(unique(ip.begin(), ip.end()) - ip.begin()); int cur = 0; int prev = -1; int ans = 0; for (auto x : ip) { ans += (x - prev - 1) * min(C, cur); for (auto t : op[x]) cur += t; ans += min(C, cur); for (auto t : cl[x]) cur -= t; prev = x; } cout << ans << '\n'; }
#include<bits/stdc++.h> using namespace std; #define dvg(x) cout<<__LINE__<<": "<<#x<<" = "<<x<<endl; #define endl "\n" #define rep(i, st, n) for(int i = st; i <= n; i += 1) #define ll long long #define l64 int64_t #define ld long double #define ff first #define ss second #define pii pair<int, int> #define pll pair<ll,ll> #define pli pair<ll, int> #define pil pair<int, ll> #define pb(x) push_back(x) #define pp() pop_back() #define in(x) insert(x) #define vi vector<int> #define vll vector<ll> #define vs vector<string> #define vpii vector<pii> #define vpll vector<Pll> #define vvi vector<vi> #define pn(n) cout<<n<<"\n"; #define pn2(x,y) cout<<x<<" "<<y<<"\n"; #define pr(ar) {for (auto i : ar) cout<<i<<" "; cout<<"\n";} #define get(x) cin>>x; #define get2(x, y) cin>>x>>y; #define cn(v) for(auto &i : v) cin>>i; #define sq(a) (a*a) #define mem(x, y) memset(x, y, sizeof(x)) int dx[] {-1, 0, 1, 0, 1, 1, -1, -1}; int dy[] = {0, 1, 0, -1, 1, -1, 1, -1}; int const N = 1e5 + 10; void solve() { double n; cin>>n; double ans = 0; for(int i = 1; i < n; i++) ans += 1.000/i; ans *= n; setprecision(12); cout<<fixed<<ans<<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int T = 1; // while(T--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int lld; typedef pair<int,int> pi; typedef pair<lld,lld> pl; typedef pair<int,lld> pil; typedef pair<lld,int> pli; typedef vector<int> vit; typedef vector<vit> vitt; typedef vector<lld> vlt; typedef vector<vlt> vltt; typedef vector<pi> vpit; typedef vector<vpit> vpitt; typedef long double ld; #define x first #define y second #define pb push_back #define all(v) v.begin(), v.end() #define sz(x) (int)x.size() #define mk(a,b) make_pair(a,b) bool isrange(int y,int x,int n,int m){ if(0<=y&&y<n&&0<=x&&x<m) return true; return false; } int dy[4] = {1,0,-1,0},dx[4]={0,1,0,-1},ddy[8] = {1,0,-1,0,1,1,-1,-1},ddx[8] = {0,1,0,-1,1,-1,1,-1}; void solve(int tc){ int n; cin >> n; double ans = 0; for(int e=1;e<n;e++) ans += (double)n/(double)e; printf("%.9lf",ans); } int main(void){ /* ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); */ int tc = 1; /* cin >> tc; */ for(int test_number=1;test_number<=tc;test_number++){ solve(test_number); } return 0; }
#include <bits/stdc++.h> using namespace std; // using mint = long double; // using mint = modint998244353; // using mint = modint1000000007; typedef long long ll; typedef pair<ll, ll> P; typedef pair<ll, P> T; typedef pair<ll, vector<ll>> Pd; const ll INF = 1e18; const ll fact_table = 320000; priority_queue<ll> pql; priority_queue<P> pqp; // big priority queue priority_queue<ll, vector<ll>, greater<ll>> pqls; priority_queue<P, vector<P>, greater<P>> pqps; // small priority queue // top pop ll dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; ll dy[8] = {0, 1, 0, -1, -1, 1, 1, -1}; //↓,→,↑,← #define p(x) cout << x << "\n"; #define el cout << endl; #define pe(x) cout << x << " "; #define ps(x) cout << fixed << setprecision(25) << x << endl; #define pu(x) cout << (x); #define pb push_back #define lb lower_bound #define ub upper_bound #define pc(x) cout << x << ","; #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, a, b) for (ll i = a; i <= (b); i++) #define rep3(i, a, b) for (ll i = a; i >= (b); i--) #define all(c) begin(c), end(c) #define sorti(v) sort(all(v)) #define sortd(v) \ sort(all(v)); \ reverse(all(v)); #define SUM(v) accumulate(all(v), 0LL) #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) typedef vector<ll> vec; typedef vector<vector<ll>> mat; // vec v(n) -> 長さnのベクトルを宣言 // mat dp(h, vec(w)) -> h * w の行列を宣言 // const ll mod = 1000000007ll; const ll mod = 998244353ll; ll mypow(ll a, ll b, ll m = mod) { ll x = 1; while (b) { while (!(b & 1)) { (a *= a) %= m; b >>= 1; } (x *= a) %= m; b--; } return x; } vec rv(ll read) { vec res(read); for (int i = 0; i < read; i++) { cin >> res[i]; } return res; } /* ll fact[fact_table + 5], rfact[fact_table + 5]; void c3_init() { fact[0] = rfact[0] = 1; for (ll i = 1; i <= fact_table; i++) { fact[i] = (fact[i - 1] * i) % mod; } rfact[fact_table] = mypow(fact[fact_table], mod - 2, mod); for (ll i = fact_table; i >= 1; i--) { rfact[i - 1] = rfact[i] * i; rfact[i - 1] %= mod; } return; } ll c3(ll n, ll r) { return (((fact[n] * rfact[r]) % mod) * rfact[n - r]) % mod; } */ bool icpc = false; bool multicase = false; map<ll, ll> mp; bool solve() { ll n; cin >> n; ll sum = 0; ll ans = 0; mp[0]++; rep(i, n) { ll value; cin >> value; if (i % 2 == 0) value *= -1; sum += value; mp[sum]++; } for (auto [num, cnt] : mp) { ans += cnt * (cnt - 1) / 2; } p(ans); return true; } /* */ int main() { // ios::sync_with_stdio(false); // cin.tie(nullptr); if (icpc) { while (solve()) ; return 0; } ll q, testcase = 1; if (multicase) { cin >> q; } else { q = 1; } while (q--) { // cout << "Case #" << testcase << ": "; solve(); testcase++; } // solve(); return 0; }
#include <iostream> #include <string> #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; #define pb push_back #define fo(i, a, b) for (int i = a; i < b; i++) #define sqr(x) ((ll)(x) * (x)) #define p(a) cout << a << "\n" #define fast_io \ ios::sync_with_stdio(0); \ cin.tie(0); inline string IntToString(ll a) { char x[100]; sprintf(x, "%lld", a); string s = x; return s; } void PrintArr(ll Arr[], ll N) { cout << "Printing: \n"; fo(j, 0, N) { cout << Arr[j] << " "; } printf("\n"); } inline ll StringToInt(string a) { char x[100]; ll res; strcpy(x, a.c_str()); sscanf(x, "%lld", &res); return res; } bool prime(ll no) { if (no < 3) return false; int factor = 0; for (int i = 2; i * i <= no; i++) { if (no % i == 0) { return false; } } return true; } long long lcm(ll a, ll b) { return (a * b) / (__gcd(a, b)); } /*...........................DSU.................................*/ void unin(int u,int v,int parent[]) { parent[u]+=parent[v]; parent[v]=u; } int find(int n,int parent[]) { if(parent[n]<0) return n; return parent[n]=find(parent[n],parent); } /*.................................................................code starts here.........................................................*/ void testCase() { ll l,r; cin>>l>>r; ll avail=r-l; ll ans=0; if(l==r && l!=0) { cout<<"0\n"; } else if(l==r && l==0) { cout<<"1\n"; } else if(2*l>r) cout<<"0\n"; else{ avail-=l; avail+=1; if(avail>0) ans=(avail*(avail+1))/2; else if(avail==0) ans=1; cout<<ans<<endl; } } int main() { fast_io int t; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif cin>>t; while (t--) { testCase(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--) #define rrep(i,n) RREP(i,(n)-1,0) #define all(v) v.begin(), v.end() #define endk '\n' const int inf = 1e9+7; const ll longinf = 1LL<<60; const ll mod = 1e9+7; const ll mod2 = 998244353; const ld eps = 1e-10; 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;} int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<int> A(n), B(n), C(n); rep(i, n) cin >> A[i]; rep(i, n) cin >> B[i]; rep(i, n) cin >> C[i]; vector<int> D(n); rep(i, n) D[i] = B[C[i]-1]; map<int, int> cntA, cntD; rep(i, n) { cntA[A[i]]++; cntD[D[i]]++; } ll ans = 0; for(auto [a, c]: cntA) { ans += 1LL * c * cntD[a]; } cout << ans << endk; return 0; }
#include <bits/stdc++.h> using namespace std; #define eb emplace_back #define ii pair<int, int> #define OK (cerr << "OK" << endl) #define debug(x) cerr << #x " = " << (x) << endl #define ff first #define ss second #define int long long #define tt tuple<int, int, int> #define all(x) x.begin(), x.end() #define vi vector<int> #define vii vector<pair<int, int>> #define vvi vector<vector<int>> #define vvii vector<vector<pair<int, int>>> #define Mat(n, m, v) vector<vector<int>>(n, vector<int>(m, v)) #define endl '\n' constexpr int INF = (sizeof(int) == 4 ? 1e9 : 2e18) + 1e5; constexpr int MOD = 1e9 + 7; constexpr int MAXN = 2e5 + 3; // #define MULTIPLE_TEST_CASES void solve(const int test) { int n; cin >> n; int k; cin >> k; while (k--) { if (n % 200 == 0) { n /= 200; } else { n *= 1000; n += 200; } } cout << n << endl; } signed main() { // const string FILE_NAME = ""; // freopen((FILE_NAME + string(".in")).c_str(), "r", stdin); // freopen((FILE_NAME + string(".out")).c_str(), "w", stdout); ios_base::sync_with_stdio(false); cin.tie(nullptr), cout.tie(nullptr); int t = 1; #ifdef MULTIPLE_TEST_CASES cin >> t; #endif for (int i = 1; i <= t; ++i) solve(i); }
#include <bits/stdc++.h> int main(){ int a, b, c, d; std::cin >>a >> b >> c >> d; std::cout << (a*d - b*c) << std::endl; }
#include <math.h> #include <stdio.h> #include <time.h> #include <algorithm> #include <complex> #include <cstdint> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <queue> #include <regex> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; using pii = pair<int, int>; using ll = long long; using ld = long double; #define pb push_back #define mp make_pair #define sc second #define fr first #define stpr setprecision #define cYES cout << "YES" << endl #define cNO cout << "NO" << endl #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define rep(i, n) for (ll i = 0; i < (n); ++i) #define Rep(i, a, b) for (ll i = (a); i < (b); ++i) #define rrep(i, n) for (ll i = n - 1; i >= 0; i--) #define rRep(i, a, b) for (ll i = a; i >= b; i--) #define crep(i) for (char i = 'a'; i <= 'z'; ++i) #define psortsecond(A, N) \ sort(A, A + N, \ [](const pii& a, const pii& b) { return a.second < b.second; }); #define ALL(x) (x).begin(), (x).end() #define debug(v) \ cout << #v << ":"; \ for (auto x : v) { \ cout << x << ' '; \ } \ cout << endl; #define endl '\n' int ctoi(const char c) { if ('0' <= c && c <= '9') return (c - '0'); return -1; } ll gcd(ll a, ll b) { return (b == 0 ? a : gcd(b, a % b)); } ll lcm(ll a, ll b) { return a * b / gcd(a, b); } constexpr ll MOD = 1000000007; constexpr ll INF = 1000000011; constexpr ll MOD2 = 998244353; constexpr ll LINF = 1001002003004005006ll; constexpr ld EPS = 10e-8; template <class T, class U> inline bool chmax(T& lhs, const U& rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T& lhs, const U& rhs) { if (lhs > rhs) { lhs = rhs; return 1; } return 0; } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (auto&& x : v) is >> x; return is; } template <typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first; is >> p.second; return is; } template <typename T, typename U> ostream& operator>>(ostream& os, const pair<T, U>& p) { os << p.first << ' ' << p.second; return os; } template <class T> ostream& operator<<(ostream& os, vector<T>& v) { for (auto i = begin(v); i != end(v); ++i) { if (i != begin(v)) os << ' '; os << *i; } return os; } // modint template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64& value() noexcept { return a; } constexpr const u64& value() const noexcept { return a; } constexpr modint operator+(const modint rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint& operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint& operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint& operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint& operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; int main() { string S; ll A, B, C, D, E, F, G, H, L, M, N, P, Q, R, T, U, X, Y, Z; cin >> A >> B >> C >> D; cout << A * D - B * C << endl; }
// // Created by whq on 2021/2/21. // #include <bits/stdc++.h> #define uset unordered_set #define umap unordered_map #define debug cout<<"ok"<<endl #define ll long long #define ii pair<ll, ll> #define fi first #define se second #define vi vector<int> #define vb vector<bool> #define vvi vector<vector<int>> #define vvb vector<vector<bool>> #define vvl vector<vector<ll>> #define vl vector<ll> #define mod 1000000007 #define inf 0x3f3f3f3f #define For(i, n) for (int i = 0; i < n; i++) #define forn(i, a, b) for(int i=a;i<=b;i++) #define pb(a) push_back(a) #define all(a) a.begin(),a.end() #define lowbit(x) x&(-x) using namespace std; class A { public: void solve() { ll k; cin >> k; ll res = 0; for (ll i = 1; i * i * i <= k; i++) res++; for (ll i = 1; i * (i + 1) <= k; i++) { for (ll j = i + 1; j * i <= k; j++) { if (i * i * j <= k) res += 3; if (i * j * j <= k) res += 3; } } for (ll i = 1; i * (i + 1) <= k; i++) { for (ll j = i + 1; j * i <= k; j++) { for (ll l = j + 1; l * j * i <= k; l++) res += 6; } } cout << res << endl; } }; class B { public: ll base; ll fpow(ll a, ll k) { if (k == 0) return 1; ll temp = fpow(a, k / 2) % base; temp = (temp * temp) % base; if ((k % 2) == 1) return ((temp % base) * (a % base)) % base; else return temp; } ll superPow(ll a, ll b) { if(b==0) return 1ll; ll p1=fpow(a,b%10); ll p2=fpow(superPow(a,b/10),10); return (p1)*(p2)%base; } void solve() { ll a, b, c; cin >> a >> b >> c; set<int> one = {0, 1, 5, 6}; ll cur = a % 10; map<int, map<int, int> > two; two[4][1] = 4; two[4][0] = 6; two[9][1] = 9; two[9][0] = 1; if (one.count(cur)) { cout << cur << endl; return; } if (cur == 4 || cur == 9) { cout << two[cur][b % 2] << endl; return; } base = 4; map<int, map<int, int>> f; f[2][1] = 2; f[2][2] = 4; f[2][3] = 8; f[2][0] = 6; f[3][1] = 3; f[3][2] = 9; f[3][3] = 7; f[3][0] = 1; f[7][1] = 7; f[7][2] = 9; f[7][3] = 3; f[7][0] = 1; f[8][1] = 8; f[8][2] = 4; f[8][3] = 2; f[8][0] = 6; ll left=superPow(b,c)%base; cout<<f[cur][left]<<endl; } }; class C{ public: void solve(){ string s; cin>>s; vi cnt(26,0); ll n=s.size(); ll res=0; for(int i=n-1;i>=0;i--){ cnt[s[i]-'a']++; if(i+1<n&&s[i]==s[i+1]){ res+=n-i-cnt[s[i]-'a']; for(int j=0;j<26;j++){ if(j==s[i]-'a') continue; cnt[s[i]-'a']+=cnt[j]; cnt[j]=0; } } } cout<<res<<endl; } }; class D{ public: ll base=998244353; ll binpow(ll a, ll b) { ll res = 1; while (b > 0) { if (b & 1) res = res * a%base; a = a * a%base; b >>= 1; } return res; } void solve(){ ll n,m,k; cin>>n>>m>>k; ll res=0; if(n==1||m==1){ cout<<binpow(k,n*m)<<endl; return; } for(ll i=1;i<=k;i++) { ll tot=(binpow(i,n)-binpow(i-1,n))%mod; res=(res+tot*(binpow(k-i+1,m))%base)%base; } if(res<0) res+=base; cout<<res%base<<endl; } }; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); D ans; ans.solve(); return 0; }
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <string> #include <vector> using namespace std; using ll = long long; #define rep(i, j, n) for (ll i = j; i < (n); ++i) #define rrep(i, j, n) for (ll i = (n)-1; j <= i; --i) 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'; } [[maybe_unused]] constexpr ll MOD = 998244353; [[maybe_unused]] constexpr int INF = 0x3f3f3f3f; [[maybe_unused]] constexpr ll INFL = 0x3f3f3f3f3f3f3f3fLL; ll mpow(ll x, ll e) { ll res = 1; while (e > 0) { if (e & 1) res = res * x % MOD; x = x * x % MOD; e >>= 1; } return res; } int main() { cin.tie(0)->sync_with_stdio(0); ll n, m, k; cin >> n >> m >> k; if (n == 1 || m == 1) { if (n == 1 && m == 1) { cout << k; return 0; } if (n == 1) { ll ans = 0; rep(i, 1, k + 1) { // 行の最小値がi // 少なくとも人つ ans += (MOD + (mpow(k - (i - 1), m) - mpow(k - i, m)) % MOD) % MOD; ans %= MOD; } cout << ans; return 0; } if (m == 1) { ll ans = 0; rep(i, 1, k + 1) { ans += (MOD + (mpow(i, n) - mpow(i - 1, n)) % MOD) % MOD; ans %= MOD; } cout << ans; return 0; } } // aのみの問題を考える。 ➡ 各行は独立なので、普通にk^n // マスの埋め方は // a[i]==xの時、i行目にはx未満の値が現れない ∧ xが少なくとも一回現れる。 // k^nで決めた後、aのmax以上の値は、任意のbで取れる。 // aのmaxがxとなる組み合わせ * (x ~ k)^m ll ans = 0; rep(x, 1, k + 1) { ll tmp = (MOD + (mpow(x, n) - mpow(x - 1, n)) % MOD) % MOD; ans += tmp * mpow(k - x + 1, m) % MOD; ans %= MOD; } cout << ans; return 0; }
#include<bits/stdc++.h> using namespace std; #define endl '\n' typedef long long int ll; #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for(auto it = d.b;it != d.e;++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll s, p;cin >> s >> p; bool ans = false; for(ll i = 1;i * i <= p;i++){ if(p % i == 0){ ll fst = i; ll snd = p / i; if(fst + snd == s)ans = true; } } if(ans)cout << "Yes"; else cout << "No"; cout << endl; }
#define rep(i, n) for(int i=0; i<(n); ++i) #define rrep(i, n) for(int i=(n-1); i>=0; --i) #define rep2(i, s, n) for(int i=s; i<(n); ++i) #define ALL(v) (v).begin(), (v).end() #define memr(dp, val) memset(dp, val, sizeof(dp)) 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; } template<class T> inline T int_ceil(T a, T b) { T res = a / b; if(a % b != 0) res++; return res; } #include <bits/stdc++.h> using namespace std; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T> >; typedef long long ll; static const int INTINF = (INT_MAX >> 1); // 10^9 + 10^7 static const ll LLINF = (LLONG_MAX >> 1); // sort(ALL(v), [](auto const& lhs, auto const& rhs) { return lhs > rhs; /* 左の方が大きい...というイメージ。*/ }); // --------------------------------------------------------------------------------------------- // static const int MAX = 100001; static const ll MOD = 1000000007; ll dividedNum(ll n){ ll ret = 0; ll lim = sqrt(n)+1; for(ll i=1; i<lim; i++){ if(n%i==0){ ret++; if(i != n / i && lim <= n/i){ ret++; } } } ll res = ret / 2 * 2; res += ret % 2; return res; } ll dp[MAX]; ll N, K; ll dividedNum2(ll n){ if(n == 2) return 1; ll ret = 0; ll ng_num = max(0LL, n - N - 1LL); ll tmp = (n-1)/2 - ng_num; ret += tmp * 2; ret = max(0LL, ret); if(n % 2 == 0 && n / 2 <= N){ ret++; } return max(0LL, ret); } int main(int argc, const char * argv[]) { std::cout << std::fixed << std::setprecision(15); cin >> N >> K; if(K < 0) K *= -1; memset(dp, 0, sizeof(dp)); // 足したら2 * Nになるやつを求める ll ans = 0; // A決定 for(int i=2; i<=2 * N; i++){ // Kから,B決定 ll A = i; ll B = A - K; if(!(2 <= B && B <= 2 * N)){ continue; } // cout << A << " " << B << endl; // A, Bの作り方の個数を調べる ll a_num = dividedNum2(A); ll b_num = dividedNum2(B); // cout << a_num << " " << b_num << endl; // それの掛け算をansにプラス ans += a_num * b_num; } cout << ans << endl; return 0; }
#ifdef __LOCAL #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> using namespace std; #pragma region macros using str=string; using ll=long long; using vl=vector<ll>; using vc=vector<char>; using pl=pair<ll,ll>; using ml=map<ll,ll>; using sl=set<ll>; template<class T> using V=vector<T>; template<class T,class U> using P=pair<T,U>; #define FOR(n) for(ll i=0;i<n;i++) #define rep(i,n) for(ll i=0;i<n;i++) #define reps(i,n) for(ll i=1;i<n;i++) #define REP(i,m,n) for(ll i=m;i<n;i++) #define drep(i,n) for(ll i=n-1;i>=0;i--) #define fore(n) for(auto&& i:n) #define fors(n) for(auto&&[i,j]:n) #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() #define sor(v) sort(all(v)) #define rsor(v) sort(rall(v)) #define rev(v) reverse(all(v)) #define low(v,x) lower_bound(all(v),x)-v.begin() #define up(v,x) upper_bound(all(v),x)-v.begin() #define acc(v) accumulate(all(v),0LL) #define ef(x) emplace_front(x) #define eb(x) emplace_back(x) #define pf() pop_front() #define pb() pop_back() #define mp(a,b) make_pair(a,b) #define ceil(a,b) (a+b-1)/b #define bit(n) (1LL<<n) #define fi first #define se second #define fr front() #define ba back() #define be begin() #define en end() #define br break #define cn continue #define wh while #define el else if #define re return const ll inf=1LL<<60; const ll mod=1000000007; const ll MOD=998244353; const double pi=3.1415926535; const double eps=1e-10; const ll dx[4]={1,0,-1,0}; const ll dy[4]={0,1,0,-1}; void input(){} void inputs(){} void output(){} template<class T,class...U> void input(T& x,U&...y){cin>>x;input(y...);} template<class...T> void in(T&...x){input(x...);} template<class T> void inputs(const ll t,T& x){cin>>x[t];} template<class T,class...U> void inputs(const ll t,T& x,U&...y){cin>>x[t];inputs(t,y...);} template<class T,class...U> void inputs(T& x,U&...y){rep(t,size(x))inputs(t,x,y...);} template<class...T> void ins(T&...x){inputs(x...);} template<class T,class...U> void output(T x,U...y){cout<<x<<"\n";output(y...);} template<class...T> void out(T...x){output(x...);} template<class...T> void fin(T...x){out(x...);exit(0);} template<class T> istream&operator>>(istream& i,V<T>& v){for(T& x:v)i>>x;re i;} template<class T,class U> istream&operator>>(istream& i,P<T,U>& p){re i>>p.fi>>p.se;} template<class T> ostream&operator<<(ostream& o,V<T>& v){for(T& x:v)o<<x<<" ";re o;} template<class T,class U> ostream&operator<<(ostream& o,P<T,U>& p){re o<<p.fi<<" "<<p.se;} void yn(bool b){fin((b?"Yes":"No"));} void YN(bool b){fin((b?"YES":"NO"));} void pos(bool b){fin((b?"POSSIBLE":"IMPOSSIBLE"));} template<class T,class U> void chmax(T& a,U b){if(a<b)a=b;} template<class T,class U> void chmin(T& a,U b){if(a>b)a=b;} template<class T,class U> auto max(T a,U b){re a>b?a:b;} template<class T,class U> auto min(T a,U b){re a<b?a:b;} ll qp(ll x,ll n){ll r=1;wh(n>0){if(n&1)r*=x;x*=x;n>>=1;}re r;} ll mdp(ll x,ll n){ll r=1;wh(n>0){if(n&1)r=r*x%mod;x=x*x%mod;n>>=1;}re r;} ll MDp(ll x,ll n){ll r=1;wh(n>0){if(n&1)r=r*x%MOD;x=x*x%MOD;n>>=1;}re r;} struct UnionFind{ vl par,sz; UnionFind(ll n):par(n),sz(n,1){rep(i,n) par[i]=i;} ll rot(ll x){ if(par[x]==x) re x; re par[x]=rot(par[x]); } void uni(ll x,ll y){ x=rot(x),y=rot(y); if(x==y) re; if(sz[x]<sz[y]) swap(x,y); sz[x]+=sz[y]; par[y]=x; } bool eql(ll x,ll y){re rot(x)==rot(y);} ll siz(ll x){re sz[rot(x)];} }; struct IOSetup{ IOSetup(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout<<fixed<<setprecision(10); } }iosetup; #pragma endregion signed main(){ ll x,y; in(x,y); if(x==y) out(x); else{ if(x==1){ if(y==0) out(2); else out(0); } if(x==2){ if(y==0) out(1); else out(0); } if(x==0){ if(y==1) out(2); else out(1); } } }
#include<bits/stdc++.h> #define pb push_back #define mp make_pair #define fi first #define se second #define SZ(x) ((int)x.size()) #define FOR(i,a,b) for (int i=a;i<=b;++i) #define FORD(i,a,b) for (int i=a;i>=b;--i) using namespace std; typedef long long LL; typedef pair<int,int> pa; typedef vector<int> vec; void getint(int &v){ char ch,fu=0; for(ch='*'; (ch<'0'||ch>'9')&&ch!='-'; ch=getchar()); if(ch=='-') fu=1, ch=getchar(); for(v=0; ch>='0'&&ch<='9'; ch=getchar()) v=v*10+ch-'0'; if(fu) v=-v; } const int MO=998244353; LL a[500010],b[500010],ans; int n,m,k; LL pw(LL x,LL y){ LL t=1; for (;y;y>>=1){ if (y&1) t=t*x%MO; x=x*x%MO; } return t; } int main(){ cin>>n>>m>>k; if (n==1 || m==1){ ans=pw(k,n*m); ans=(ans%MO+MO)%MO; cout<<ans<<endl; return 0; } FOR(i,1,k) a[i]=(pw(i,n)-pw(i-1,n))%MO; FOR(i,1,k) b[i]=(pw(k-i+1,m)-pw(k-i,m))%MO; FORD(i,k,1) (b[i]+=b[i+1])%=MO; FOR(i,1,k) (ans+=a[i]*b[i])%=MO; ans=(ans%MO+MO)%MO; cout<<ans<<endl; return 0; }
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n;cin>>n; string s,t;cin>>s>>t; vector<ll>l,r; rep(i,0,n)if(s[i]=='1')l.PB(i); rep(i,0,n)if(t[i]=='1')r.PB(i); ll idx=0; rep(i,0,l.size()){ if(idx==r.size()||l[i]<r[idx]){ if(i+2>l.size()){ judge=false; break; } res+=l[i+1]-l[i]; i++; } else{ res+=l[i]-r[idx]; idx++; } //cout<<i spa res<<endl; } if(idx!=r.size())judge=false; ans(judge,res,-1); return 0; }
#include<iostream> #include<cstdio> #include<cstdlib> #include<cmath> #include<cstring> #include<algorithm> #include<climits> #include<utility> #include<vector> #include<queue> #define int long long using namespace std; const int MaxN = 500005; int n, ans; char s[MaxN], t[MaxN]; queue<int> pos; inline int Read(){ int num = 0, op = 1; char ch = getchar(); while(!isdigit(ch)){ if(ch == '-') op = -1; ch = getchar(); } while(isdigit(ch)){ num = num * 10 + ch - '0'; ch = getchar(); } return num * op; } signed main(){ n = Read(); scanf("%s%s", s+1, t+1); for(int i=1; i<=n; i++) if(s[i] == '1') pos.push(i); for(int i=1; i<=n; i++){ if(s[i] == t[i]){ if(s[i] == '1') pos.pop(); continue; } else if(s[i] == '1' && t[i] == '0'){ if(pos.empty()){ printf("-1"); return 0; } int p1 = pos.front(); pos.pop(); if(pos.empty()){ printf("-1"); return 0; } int p2 = pos.front(); pos.pop(); ans += (p2 - p1); s[p1] = s[p2] = '0'; } else if(s[i] == '0' && t[i] == '1'){ if(pos.empty()){ printf("-1"); return 0; } int p = pos.front(); pos.pop(); ans += (p - i); s[p] = '0', s[i] = '1'; } } printf("%lld", ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--) #define rrep(i,n) RREP(i,(n)-1,0) #define all(v) v.begin(), v.end() #define endk '\n' const int inf = 1e9+7; const ll longinf = 1LL<<60; const ll mod = 1e9+7; const ll mod2 = 998244353; const ld eps = 1e-10; 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;} #define MAX_N 200005 class UnionFind { public: int par[MAX_N]; int depth[MAX_N]; int nGroup[MAX_N]; UnionFind(int n) { init(n); } void init(int n) { for(int i=0; i<n; i++) { par[i] = i; depth[i] = 0; nGroup[i] = 1; } } int root(int x) { if(par[x] == x) { return x; } else { return par[x] = root(par[x]); } } bool same(int x, int y) { return root(x) == root(y); } void unite(int x, int y) { x = root(x); y = root(y); if(x == y) return; if(depth[x] < depth[y]) { par[x] = y; nGroup[y] += nGroup[x]; nGroup[x] = 0; } else { par[y] = x; nGroup[x] += nGroup[y]; nGroup[y] = 0; if(depth[x] == depth[y]) depth[x]++; } } }; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<ll> A(n); rep(i, n) cin >> A[i]; UnionFind uf(200001); rep(i, n) { uf.unite(A[i], A[n-1-i]); } ll ans = 0; rep(i, 200001) { if(uf.root(i) == i) { ans += uf.nGroup[i]-1; } } cout << ans << endk; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=110000; int n,L,a[N],b[N],c[N],d[N]; long long ans; int main() { cin>>n>>L; for(int i=1;i<=n;++i) cin>>a[i], c[i]=a[i]-a[i-1]-1; c[n+1]=L-a[n]; for(int i=1;i<=n;++i) cin>>b[i], d[i]=b[i]-b[i-1]-1; d[n+1]=L-b[n]; for(int i=1,j=1;i<=n+1;++i) if(d[i]) { int sum=0,las=j; while(c[las] == 0) ++las; j=las; while(sum<d[i]) sum += c[j], ++j; if(sum != d[i]) puts("-1"), exit(0); ans += max(i-las,0)+max(j-i-1,0); } cout<<ans; 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<int>, rb_tree_tag,tree_order_statistics_node_update> /* find_by_order(x) give iterator of the index x order_by_key(x) give the position where x will be placed*/ #define int long long #define lop(i,a,b,c) for (int i=a;i<b;i+=c) #define rlop(i,a,b,c) for (int i=a-1;i>=b;i-=c) #define prii pair <int,int> #define PB push_back #define S second #define F first #define B begin() #define E end() #define count_1(x) __builtin_popcount(x) /*......................................................................*/ void solve(){ int t,n;cin>>t>>n; int lw=1;int hg=1e15;int md;int ans; while (lw<=hg){ md=(lw+hg)/2; int z=(md*t)/100; if (z<n){ ans=md;lw=md+1; } else hg=md-1; }ans+=n;cout<<ans<<"\n"; return ; if (n%t==0){ int a=n/t;a--; int b=100+t;b=b*a; cout<<b+t*ans<<"\n";return ; } int a=n/t; int b=100+t;b=b*a; cout<<b+(n%t)*ans<<"\n";return ; } int32_t main(){ int t;t=1; //cin>>t; while (t--){ solve(); } return 0; }
#include<cstdio> long long a,b; int main(){ scanf("%lld%lld",&a,&b); printf("%lld %lld\n",(a+b)/2,(a-b)/2); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int64_t N; cin >> N; int d = to_string(N).length(); int M = 1; for (int i = 0; i < d/2; i++) { M *= 10; } if (d%2 == 0) { if (N/M <= N%M) cout << N/M << endl; else cout << N/M - 1 << endl; } else { cout << M - 1 << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int maxN = 1e6 + 5; int main() { ios::sync_with_stdio(false); cin.tie(0); ll n; cin >> n; auto get_num = [] (string s) -> ll { ll res = 0; for(char &c : s) { res *= 10; res += (c - '0'); } return res; }; int ans = 0; for(int i = 1; i < maxN; i++) { string s = to_string(i); s += s; if(get_num(s) > n) continue; ++ans; } cout << ans; }
#include <bits/stdc++.h> #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0, a1, a2, a3, a4, x, ...) x #define dump_1(x1) cerr << #x1 << ": " << x1 << endl #define dump_2(x1, x2) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << endl #define dump_3(x1, x2, x3) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << endl #define dump_4(x1, x2, x3, x4) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << endl #define dump_5(x1, x2, x3, x4, x5) \ cerr << #x1 << ": " << x1 << ", " #x2 << ": " << x2 << ", " #x3 << ": " \ << x3 << ", " #x4 << ": " << x4 << ", " #x5 << ": " << x5 << endl #define dump(...) \ CHOOSE((__VA_ARGS__, dump_5, dump_4, dump_3, dump_2, dump_1, ~))(__VA_ARGS__) #define check(s) cerr << s << endl #define rep(i, n) for (int i = 0; i < n; i++) #define repr(i, n) for (int i = n; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define unique(v) v.erase(unique(v.begin(), v.end()), v.end()); #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; using ll = long long; vector<int> dx = {0, 1, 0, -1}; vector<int> dy = {1, 0, -1, 0}; const ll LINF = 2e18; const int INF = 1e9; // UnionFind // coding: https://youtu.be/TdR816rqc3s?t=726 // comment: https://youtu.be/TdR816rqc3s?t=6822 struct UnionFind { vector<int> d; UnionFind(int n = 0) : d(n, -1) {} int find(int x) { if (d[x] < 0) return x; return d[x] = find(d[x]); } bool unite(int x, int y) { x = find(x); y = find(y); if (x == y) return false; if (d[x] > d[y]) swap(x, y); d[x] += d[y]; d[y] = x; return true; } bool same(int x, int y) { return find(x) == find(y); } int size(int x) { return -d[find(x)]; } }; using pll = pair<ll, ll>; using Edge = pair<double, pll>; void solve(ll N, std::vector<ll> X, std::vector<ll> Y) { auto dist = [&](ll i, ll j) -> double { return sqrt(pow(X.at(i) - X.at(j), 2) + pow(Y.at(i) - Y.at(j), 2)); }; vector<Edge> edges; ll s = N, t = N + 1; rep(i, N) { edges.push_back(Edge(100.0 - Y.at(i), {s, i})); edges.push_back(Edge(Y.at(i) + 100.0, {t, i})); FOR(j, i + 1, N) { edges.push_back(Edge(dist(i, j), {i, j})); } } sort(all(edges)); UnionFind uf(N + 2); double r = 0.0; for (auto &[d, p] : edges) { uf.unite(p.first, p.second); if (uf.same(s, t)) { r = d / 2.0; break; } } cout << r << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); ll N; scanf("%lld", &N); std::vector<ll> x(N); std::vector<ll> y(N); for (int i = 0; i < N; i++) { scanf("%lld", &x[i]); scanf("%lld", &y[i]); } solve(N, std::move(x), std::move(y)); return 0; }
#include <iostream> #include <cstdlib> #include <bitset> #include <map> #include <iomanip> #include <string> #include <vector> #include <cmath> #include <queue> #include <algorithm> #include <sstream> using namespace std; #define ll long long #define vecll vector<long long> #define vec2ll vector<vector<long long>> #define vecdouble vector<double> #define vecchar vector<char> #define vecstr vector<string> #define vec2str vector<vector<string>> #define vecbool vector<bool> #define vec2bool vector<vector<bool>> #define pairll pair<ll,ll> #define vecpairll vector<pair<long long,long long>> #define vec2pairll vector<vector<pair<long long,long long>>> #define forll(s,a,b) for(long long s = a;s < b;s++) #define forllde(s,a) for(long long s = a;s > 0;s--) #define INF 1000000000000 #define Pi 3.1415926535897932384626 ll gcd(ll a, ll b) { if (min(a, b) == 0) return max(a, b); return gcd(min(a, b), max(a, b) % min(a, b)); } ll lcm(ll a, ll b) { ll buf = gcd(a, b); return abs(a*b) / buf; } int main() { ll n, m, ans = 0; string s = "No"; bool flag = false; cin >> n; vecll a(n), b(n); forll(i, 0, n) cin >> a[i]; forll(i, 0, n) cin >> b[i]; forll(i, 0, n) { ans += a[i] * b[i]; } if (ans == 0) s = "Yes"; cout << s; }
#include <algorithm> #include <bitset> #include <cmath> #include <complex> #include <cstdio> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <sys/types.h> #include <unistd.h> #include <vector> #pragma region macros #define _overload(_1, _2, _3, name, ...) name #define _rep(i, n) _range(i, 0, n) #define _range(i, a, b) for (int i = int(a); i < int(b); ++i) #define rep(...) _overload(__VA_ARGS__, _range, _rep, )(__VA_ARGS__) #define _rrep(i, n) _rrange(i, n, 0) #define _rrange(i, a, b) for (int i = int(a) - 1; i >= int(b); --i) #define rrep(...) _overload(__VA_ARGS__, _rrange, _rrep, )(__VA_ARGS__) #pragma endregion macros using namespace std; template <class T> bool chmax(T &a, const T &b) { return (a < b) ? (a = b, 1) : 0; } template <class T> bool chmin(T &a, const T &b) { return (b < a) ? (a = b, 1) : 0; } using ll = long long; using R = long double; const R EPS = 1e-9L; // [-1000,1000]->EPS=1e-8 [-10000,10000]->EPS=1e-7 inline int sgn(const R &r) { return (r > EPS) - (r < -EPS); } inline R sq(R x) { return sqrt(max(x, 0.0L)); } const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; const pid_t pid = getpid(); // Problem Specific Parameter: int main(void) { int t; cin >> t; rep(loop, t) { int n; cin >> n; string s1, s2, s3; cin >> s1 >> s2 >> s3; cout << string(n, '1') + string(n, '0') + "1" << endl; } return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; // シグマの式変形 // ソートすることで絶対値を外せる int main() { int n; cin >> n; vector<ll> a(n); rep(i, n) cin >> a[i]; sort(a.begin(), a.end()); vector<ll> s(n + 1, 0); rep(i, n) s[i + 1] = s[i] + a[i]; ll ans = 0; rep(i, n) ans += a[i] * i - s[i]; cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << (n-1) << endl; }
#include<bits/stdc++.h> using namespace std; typedef unsigned long long int ull; typedef long long int ll; const int MOD = 1000000007; void solve(){ int n; cin>>n; int ans = n/100; if(n%100 != 0){ ans++; } cout<<ans<<endl; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt","r", stdin); freopen("output.txt","w", stdout); #endif int t=1; //cin>>t; while(t--){ solve(); } return 0; }
#pragma GCC optimize("O3", "unroll-loops") #pragma GCC target("avx2") #include <stdio.h> constexpr int HeighestDim = 505000; int n, m, k; long long int res[101]; int dim_a = 0, dim_b = 0; int A[HeighestDim + 1], B[HeighestDim]; void mult_a(int v){ for(int i = dim_a, j = i - v; j >= 0; --i, --j){ A[i] -= A[j]; if(A[i] < 0) A[i] += m; } } void div_a(int v){ for(int i = v, j = 0; i <= dim_a; ++i, ++j){ A[i] += A[j]; if(A[i] >= m) A[i] -= m; } } void mult_b(int v){ dim_b += v; for(int i = dim_b, j = i - v; j >= 0; --i, --j){ B[i] -= B[j]; if(B[i] < 0) B[i] += m; } } void div_b(int v){ for(int i = v, j = 0; i <= dim_b; ++i, ++j){ B[i] += B[j]; if(B[i] >= m) B[i] -= m; } } int len = 0; char Buffer[20]; char Output[1500]; int main(void){ A[0] = 1; B[0] = 1; scanf("%d%d%d", &n, &k, &m); if(n == 1){ printf("%d\n", k); return 0; } else if(n == 2){ printf("%d\n%d\n", k, k); return 0; } else if(n == 3){ printf("%d\n%d\n%d\n", k, k * static_cast<long long int>(k + 2) % m, k); return 0; } res[1] = k; res[n] = k; ++k; const int hd = (n >> 1) + (n & 1); const int nmt = n - 2; { int i, j; for(i = 1, j = k; i <= hd; ++i, j += k){ dim_a += j; mult_a(j); div_a(i); } for(; i <= nmt; ++i, j += k){ mult_a(j); div_a(i); } mult_b(k); div_b(1); } for(int i = 2, j = n - 1, I = 2 * k, J = k * (n - 2); ; I += k, J -= k){ long long int res_v = 0; for(int d = 0; d <= dim_b; ++d) res_v += static_cast<long long int>(A[d]) * B[d] % m; if(res_v) res_v = (k * res_v - 1) % m; else res_v = m - 1; res[i] = res_v; res[j--] = res_v; if(i + 1 > j) break; mult_a(j); div_a(J); mult_b(I); div_b(i++); } for(int i = 1; i <= n; ++i){ if(res[i]){ int l = 0; do { Buffer[l++] = res[i] % 10; res[i] /= 10; } while(res[i]); while(l--) Output[len++] = Buffer[l] ^ '0'; } else Output[len++] = '0'; Output[len++] = '\n'; } fwrite(Output, 1, len, stdout); return 0; }
#include <vector> #include <stack> #include <queue> #include <list> #include <bitset> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <algorithm> #include <numeric> #include <iostream> #include <iomanip> #include <string> #include <chrono> #include <random> #include <cmath> #include <cassert> #include <climits> #include <cstring> #include <cstdlib> #include <functional> #include <sstream> using namespace std; int main(int argc, char** argv) { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(12); int N, K, M; cin >> N >> K >> M; int MX = N * (N + 1) / 2 * K; vector<vector<long long>> dp(N + 1, vector<long long>(MX + 1, 0)); dp[0][0] = 1; vector<long long> cnts(N + 1, 0); for (int i = 1; i <= N; ++i) { fill(cnts.begin(), cnts.end(), 0); for (int j = 0; j <= MX; ++j) { int x = j % i; (cnts[x] += dp[i - 1][j]) %= M; if (j - (K + 1) * i >= 0) { (cnts[x] += M - dp[i - 1][j - (K + 1) * i]) %= M; } dp[i][j] = cnts[x]; } } for (int i = 1; i <= N; ++i) { long long res = 0; for (int j = 0; j <= MX; ++j) { (res += dp[i - 1][j] * dp[N - i][j]) %= M; } (res *= K + 1) %= M; (res += M - 1) %= M; cout << res << '\n'; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); long long n; cin >> n; long long s3 = 3, s5 = 5; for (int i = 1; s3 < 1e18; ++i) { s5 = 5; for (int j = 1; s5 < 1e18; ++j) { if (s3 + s5 == n) { cout << i << " " << j << '\n'; return 0; } s5 *= 5; } s3 *= 3; } cout << -1 << "\n"; }
// Author: Vinay Khilwani // Language: C++ // @vok8: Codeforces, AtCoder, LeetCode, HackerEarth, TopCoder, Google, FB, CSES, Spoj, GitHub // @vok_8: CodeChef, GFG // @vok8_khilwani: HackerRank // Never Stop Trying. // Trying to be Better than Myself. // while(true) // { // if(AC) // { // break; // } // else if(Contest Over) // { // Try. // Check out Editorial. // Understand. // Find out your Mistake. // Learn the topic (if new). // Solve Problems on that topic (if new). // Upsolve that problem. // break; // } // else // { // Try. // Use Pen-Paper. // Find errors, edge cases, etc. // continue; // } // } // Optimizations // #pragma GCC optimize("O2") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("avx2") // #pragma GCC optimize("Os") // Libraries #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; // Debugging #define dbg(a) cerr<<a<<"\n"; #define debug_a(a) for(auto x:a) {cerr<<x<<" ";} cerr<<"\n"; #define debug_b(a) for(auto x:a) {cerr<<"["<<x.first<<", "<<x.second<<"]"<<"\n";} cerr<<"\n"; #define debug_c(a) for(auto x:a) {debug_a(x)} cerr<<"\n"; #define debug_d(a) for(auto x:a) {debug_b(x)} cerr<<"\n"; #define debug_e(a) cerr<<"["<<a.first<<", "<<a.second<<"]"<<"\n"; // Defines #define fast ios_base::sync_with_stdio(false); cout.tie(NULL); cin.tie(NULL); #define loop(i,a,n) for(int i=a; i<n; i++) #define rloop(i,a,n) for(int i=a; i>=n; i--) #define fr(i,a,n,b) for(int i=a; i<n; i+=b) #define rfr(i,a,n,b) for(int i=a; i>=n; i-=b) #define IN cin>> #define OUT cout<< #define nl "\n" #define sz(a) int(a.size()) #define all(a) (a).begin(),(a).end() #define each(a,b) for(auto &a:b) #define pb push_back #define set_bits(a) __builtin_popcountll(a) #define ar array #define write(a) for(auto x:a) {OUT x<<" ";} OUT endl; #define read(a) for(auto &x:a) {IN x;} // #define oset tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> using ll=long long int; using ld=long double; using pll=pair<ll,ll>; using pii=pair<int,int>; using vll=vector<ll>; using vi=vector<int>; const ll mod=(ll)(1e9)+7LL; const ll M=998244353LL; const int dx[4]={1,0,-1,0}; const int dy[4]={0,1,0,-1}; const ld pi=acos(-1); // General Functions ll gcd(ll a, ll b) { return (b?gcd(b,a%b):a); } ll P(ll B, ll power, ll modulo) //Fast Power { ll ans=1LL; while(power>0LL) { if(power%2LL==1LL) { ans=(ans*B)%modulo; } B=(B*B)%modulo; power/=2LL; } return ans; } bool isPrime(ll n) { if(n<=1LL) { return false; } if(n<=3LL) { return true; } if(n%2==0LL || n%3==0LL) { return false; } for(ll i=5LL; (i*i)<=n; i+=6LL) { if(n%i==0LL || n%(i+2LL)==0LL) { return false; } } return true; } mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll get_rand(ll l, ll r) { uniform_int_distribution<ll> uid(l,r); return uid(rng); } void vok() { fast #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); freopen("error.txt","w",stderr); #endif } // Global Variables const int mxN=int(1e5)+100; // Solver Function(s) void solve() { string s; IN s; OUT s[1]<<s[2]<<s[0]<<nl; } // Main Function int main() { vok(); int t=1; // IN t; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; signed main(){ int A, B, C; scanf("%d%d%d", &A, &B, &C); if(A * A + B * B < C * C){ printf("Yes\n"); } else{ printf("No\n"); } return 0; }
#include <algorithm> #include <iostream> #include <numeric> #include <string> #include <tuple> #include <utility> #include <vector> #define rep(i, a, b) for (int i = int(a); i < int(b); i++) using namespace std; using ll = long long int; using P = pair<ll, ll>; // clang-format off #ifdef _DEBUG_ #define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; debug_print(__VA_ARGS__); } while(false) template<typename T, typename... Ts> void debug_print(const T &t, const Ts &...ts) { cerr << t; ((cerr << ", " << ts), ...); cerr << endl; } #else #define dump(...) do{ } while(false) #endif template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); } template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); } template<typename T> bool chmin(T &a, const T& b) { if (a > b) {a = b; return true; } return false; } template<typename T> bool chmax(T &a, const T& b) { if (a < b) {a = b; return true; } return false; } template<typename T, typename... Ts> void print(const T& t, const Ts&... ts) { cout << t; ((cout << ' ' << ts), ...); cout << '\n'; } template<typename... Ts> void input(Ts&... ts) { (cin >> ... >> ts); } template<typename T> istream &operator,(istream &in, T &t) { return in >> t; } // clang-format on int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int a, b, c; input(a, b, c); print(a * a + b * b < c * c ? "Yes" : "No"); return 0; }
#include<stdio.h> #include<bits/stdc++.h> using namespace std; int main(){ int n; int a[22]; int st[22]; int orr[22]; int xorr; int cnt; int temp; long long min; int aa = 0; scanf("%d", &n); for (int i = 0; i < n; i++){ scanf("%d", &a[i]); } for (int i = 0; i < (1 << (n-1)); i++){ cnt = 0; for (int j = 0; j < (n-1); j++){ if (i >> j & 1){ st[j] = 1; cnt++; } else{ st[j] = 0; } } for (int j = 0; j < n; j++){ orr[j] = 0; } temp = 0; aa = 1; for (int j = 0; j < n; j++){ if (aa != 1){ orr[temp] = a[j] | orr[temp]; } else{ orr[temp] = a[j]; aa = 0; } if (st[j] == 1) { temp++; aa = 1; } } xorr = orr[0]; for (int j = 1; j <= cnt; j++){ xorr = xorr ^ orr[j]; } if (i == 0){ min = xorr; } else{ if (min > xorr) { min = xorr; } } } printf("%lld", min); }
/** * author: Takeda Takumi * created: 30.03.2021 16:14:34 **/ #include <bits/stdc++.h> using namespace std; #define rep(i,s,n) for (int i = s; i < (n); ++i) using ll = long long; using P = pair<int, int>; int main() { int n; cin >> n; vector<int> a(n); rep(i, 0, n) cin >> a[i]; int ans = 1<<30; rep(s, 0, 1<<(n-1)) { int now = 0; int o = 0; rep(i,0,n) { o |= a[i]; if(s>>i&1){ now ^= o; o = 0; } } now ^= o; ans = min(ans, now); } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ld long double typedef unsigned long long ull; #define loop(i,a,b) for(ll i=a;i<b;i++) #define f(i,a,b) for(ll i=a;i<=b;i++) // #define testcases ll t;cin>>t;while(t--) #define dec(x) greater<x>() /*** Define fues ***/ #define mx 200005 #define mod 1000000007 #define PI acos(-1.0) #define eps 1e-7 #define size1 100005 const char nl = '\n'; #define pb push_back #define ff first #define ss second #define mp make_pair #define mem(name, fue) memset(name, fue, sizeof(name)) /*** STLs ***/ typedef vector <ll> vll; typedef set <ll> sll; typedef multiset <ll> msll; typedef queue <ll> qll; typedef map <ll, ll> mll; typedef pair <ll, ll> pll; typedef vector <pair <ll , ll> > vpll; /*** Sorts ***/ #define all(v) (v).begin(), (v).end() #define rev(v) reverse(all(v)) #define srt(v) sort(all(v)) #define srtGreat(v) sort(all(v), greater<ll>()) inline bool cmp(pll a, pll b) { if (a.ff == b.ff)return a.ss < b.ss; return a.ff > b.ff; } #define en cout << '\n'; #define no cout << "NO" << '\n' #define yes cout << "YES" << '\n' #define case cout << "Case " << t++ << ": " /*** Functions ll BigMod(ll base, ll pow, ll modfue){ if (pow == 0) return 1; ll ans = BigMod(base, pow / 2, modfue);ll total = ((ans % modfue) * (ans % modfue)) % modfue; if(pow % 2 == 0) return total; else{ return (total * (base % modfue) ) % modfue; } } ll InverseMod(ll base, ll pow) { if(pow == 0) return 1; ll ans = InverseMod(base, pow / 2); ans = (ans * ans) % mod; if(pow & 1){ return (ans * base) % mod; } else{ return ans; } } bool checkprime(ll num) { if(num < 2) return false; for(ll i = 2; i * i <= num; i++){ if(num % i == 0) return false; } return true; } ll EularPHI(ll num) { double ans = num; for(ll i = 2; i * i <= num; i++){ if(num % i == 0){ while (num % i == 0) { num /= i; } ans *= (1.0 - (1.0 / (double)i)); } } if(num > 1) ans *= (1.0 - (1.0 / (double)num)); return (ll)ans; } ll sumofdigit(ll n){ll sum=0;while(n){sum=sum+n%10;n=n/10;}return sum;} ll countDigit(ll n) { if (n == 0) return 0; return 1 + countDigit(n / 10); } ll countDigit(ll n) { return floor(log10(n) + 1); } //only positive ***/ template <class T> inline T gcd(T a, T b) {if (b == 0)return a; return gcd(b, a % b);} template <class T> inline T lcm(T a, T b) {return a * b / gcd<T>(a, b);} template <class T> inline T power(T b, T p) {ll ans = 1; while (p--) ans *= b; return ans;} void solve() { string s; cin>>s; string find="ZONe"; ll n=s.size(); if(n<4) { cout<<0; return; } ll c=0; loop(i,0,n-3) { string r=s.substr(i,4); // cout<<i<<" "<<r<<nl; if(r==find)c++; } cout<<c; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt", "w", stderr); #endif ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t=1; // cin>>t; while(t--) { solve(); } }
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int count=0; for(int i=0;i<9;i++){ if(s.at(i)=='Z'){ if(s.at(i+1)=='O'){ if(s.at(i+2)=='N'){ if(s.at(i+3)=='e'){ count++; } } } } } cout << count << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; mt19937 rand_mt; const int XYMAX = 10000; class xyr{ public: int x; int y; int r; int index; int a; int b; int c; int d; void print(){ cout << a << " " << b << " " << c << " " << d << endl; } void read(){ cin >> x >> y >> r; } void initialize(){ a = x; b = y; c = x+1; d = y+1; } bool overlap(xyr& other){ if(a < other.c && c > other.a && d > other.b && b < other.d) return true; return false; } bool isValid(){ if(a < 0 || a >= c) return false; if(b < 0 || b >= d) return false; if(c < a || c >= XYMAX) return false; if(d < b || d >= XYMAX) return false; return true; } void update_1(); void update_2(); }; void xyr::update_1(){ auto i_change = rand_mt() % 4; if (i_change == 0){ a--;} else if(i_change == 1){ b--;} else if(i_change == 2){ c++;} else if(i_change == 3){ d++;} } void xyr::update_2(){ auto i_change = rand_mt() % 4; if (i_change == 0){ a = rand_mt() % a;} else if(i_change == 1){ b = rand_mt() % b;} else if(i_change == 2){ c = rand_mt() % c;} else if(i_change == 3){ d = rand_mt() % d;} } int main() { // Input int n; cin >> n; vector<xyr> XYR(n); for(int i=0; i<n; i++){ XYR[i].read(); XYR[i].index = i; XYR[i].initialize(); } // sort(XYR.begin(), XYR.end(), [](xyr& a, xyr& b){return a.r < b.r;}); for(int i_try=0; i_try<100000; i_try++){ auto& p = XYR[i_try%n]; auto prev = p; p.update_1(); bool isValid = p.isValid(); for(int j=0; j<n && isValid; j++){ if(p.index == XYR[j].index) continue; if(p.overlap(XYR[j])) isValid = false; } if(!isValid) p = prev; } // Output if (1){ sort(XYR.begin(), XYR.end(), [](xyr& a, xyr& b){return a.index < b.index;}); for(int i=0;i<n;i++){ XYR[i].print(); } } return 0; }
#include<bits/stdc++.h> #define w(x) int x; cin>>x; for(int tc=1;tc<=x;tc++) #define trace(x) cerr<<#x<<": "<<x<<" "<<endl; #define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define int long long #define pb push_back #define pqg priority_queue<int> #define pqs priority_queue<int,vector<int>,greater<int>> #define mpii map<int,int> #define endl "\n" #define YES cout<<"YES\n"; #define Yes cout<<"Yes\n"; #define NO cout<<"NO\n"; #define No cout<<"No\n"; #define mod 1000000007 #define inp(x) cin>>x; using namespace std; void solve(int tc) { int a, b, c; cin >> a >> b >> c; int ans; if (c == 0) { if (a > b) { ans = 1; } else ans = 0; } else { if (b > a) { ans = 0; } else { ans = 1; } } if (ans == 1) { cout << "Takahashi" << endl; } else { cout << "Aoki" << endl; } } int32_t main() { FIO #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif // w(x){ solve(1); // } return 0; }
#include<iostream> #include<vector> using i64 = int64_t; template<i64 MOD> struct modint{ i64 val; modint():val(0){} modint(i64 v):val(v<0?(-v)%MOD:v%MOD){} operator i64(){return val;} modint &operator += (modint other){this->val+=other.val;if(this->val>=MOD)this->val-=MOD;return *this;} modint &operator -= (modint other){this->val-=other.val;if(this->val<0)this->val+=MOD;return *this;} modint &operator *= (modint other){this->val*=other.val;if(this->val>=MOD)this->val%=MOD;return *this;} modint &operator /= (modint other){this->val*=other.inverse();if(this->val>=MOD)this->val%=MOD;return *this;} modint operator + (modint other)const{return modint(val)+=other;} modint operator - (modint other)const{return modint(val)-=other;} modint operator * (modint other)const{return modint(val)*=other;} modint operator / (modint other)const{return modint(val)/=other;} template<class T>modint operator + (T other)const{return modint(val)+=(modint)other;} template<class T>modint operator - (T other)const{return modint(val)-=(modint)other;} template<class T>modint operator * (T other)const{return modint(val)*=(modint)other;} template<class T>modint operator / (T other)const{return modint(val)/=(modint)other;} template<class T> modint mpow(T _n)const{i64 n = _n;modint res(1),base(val);while(n){if(n&1)res*=base;base *= base;n >>= 1;}return res;} template<class T,class U> static modint mpow(T t,U u){return modint(t).mpow(u);} modint inverse()const{return mpow(val,MOD-2);} friend std::ostream &operator << (std::ostream& os,modint mo){return os<<mo.val;} friend std::istream &operator >> (std::istream& is,modint& mo){return is>>mo.val;} }; constexpr int MOD = 998244353; using mint = modint<MOD>; mint operator""_m(unsigned long long x){return (mint)x;} #define rep(i,n) for(int i=0;i<(int)n;++i) signed main(){ int n,k; std::cin>>n>>k; std::vector<mint> a(n); for(auto& ai:a)std::cin>>ai; std::vector<mint> fac(k+1),inv(k+1),finv(k+1); fac[1]=inv[1]=finv[0]=finv[1]=1; for(int i=2;i<=k;++i){ fac[i]=fac[i-1]*i; inv[i]=MOD-inv[MOD%i]*(MOD/i); finv[i]=finv[i-1]*inv[i]; } std::vector<mint> ushi(k+1); rep(j,k+1)rep(i,n)ushi[j]+=(a[i]*2_m).mpow(j); std::vector<mint> tapu(k+1); rep(j,k+1)rep(i,n)tapu[j]+=a[i].mpow(j)*finv[j]; auto solve = [&](i64 x){ mint ans = 0; for(int k=0;k<=x;++k){ ans += tapu[k]*tapu[x-k]; } ans *= fac[x]; ans -= ushi[x]; ans /= 2; return ans; }; for(int x=1;x<=k;++x) std::cout<<solve(x)<<'\n'; }
#include <bits/stdc++.h> #define int long long using namespace std; const int maxn = 2e5+8, inf = 1e18+9, mod = 998244353; int n, k, a[maxn], sa[312][maxn], sb[312][maxn], C[312][312]; void solve() { int i, j, ans = 0, inv2 = (mod - mod / 2); cin >> n >> k; for (i = 1; i <= 300; i++) C[i][i] = C[i][0] = 1; for (i = 2; i <= 300; i++) for (j = 1; j < i; j++) C[i][j] = (C[i - 1][j] + C[i - 1][j - 1]) % mod; for (i = 1; i <= n; i++) cin >> a[i], sa[0][i] = 1, sb[0][i] = 1; for (i = 1; i <= k; i++) for (j = 1; j <= n; j++) sa[i][j] = (sa[i - 1][j] * a[j]) % mod, sb[i][j] = (sb[i - 1][j] * 2 * a[j]) % mod; for (i = 0; i <= k; i++) for (j = n - 1; j >= 1; j--) sa[i][j] = (sa[i][j] + sa[i][j + 1]) % mod, sb[i][j] = (sb[i][j] + sb[i][j + 1]) % mod; for (int kk = 1; kk <= k; kk++) { for (ans = i = 0; i <= kk; i++) ans = (ans + (((C[kk][i] * sa[i][1]) % mod) * sa[kk - i][1]) % mod) % mod; cout << (inv2 * (mod + ans - sb[kk][1])) % mod << endl; } } signed main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); //cout << fixed << setprecision(15); int t = 1; //cin >> t; while (t--) solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long signed main(){ int n; cin>>n; int l,r,ans=0; while(n--){ cin>>l>>r; ans+=(l+r)*(r-l+1)/2; } cout<<ans; return 0; }
#include<bits/stdc++.h> #define DONTSYNC ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL) //dont use stdio with iostream functions //input and output are out of order now! #define TEST unsigned long long T; cin>>T; while(T--) //loop over each testcase #define endl "\n" #define fori(a,start,end) for(int a=start;a<end;a++) #define forll(a,start,end) for(long long a=start;a<end;a++) #define forull(a,start,end) for(unsigned long long a=start;a<end;a++) typedef long long ll; typedef unsigned long long ull; using namespace std; void solve(){ /* code */ double sx,sy,gx,gy; cin>>sx>>sy>>gx>>gy; cout<<fixed<<setprecision(9)<< sx+sy*(gx-sx)/(gy+sy); } int main() { DONTSYNC; // TEST{ solve(); // } return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ //freopen("1.in","r",stdin); //ios::sync_with_stdio(false); char X[66]; ll M; scanf("%s",X);cin>>M; int n=strlen(X); int max=0; for(int i=0;i<n;i++){ if(X[i]-'0'>max)max=X[i]-'0'; } ll count=0; // for(int base=max+1;;base++){ // //cout<<base<<endl; // ll res=0; // int flag=0; // for(int i=0;i<n;i++){ // res=res*base+X[i]-'0'; // if(res>M){break;flag=1;} // } // //cout<<res<<endl; // if(flag==0){ // if(res<=M)count++;else break; // }else break; // } if(n==1) { ll base=max+1; __int128 res=0; int flag=0; for(int i=0;i<1;i++){ res=res*base+X[i]-'0'; if(res>M){flag=1;break;} } //cout<<res<<endl; if(flag==0){ if(res<=M)count++;else {cout<<0;return 0;} }else {cout<<0;return 0;} cout<<1; } else {ll base=max+1; __int128 res=0; int flag=0; for(int i=0;i<n;i++){ res=res*base+X[i]-'0'; if(res>M){flag=1;break;} } //cout<<res<<endl; if(flag==0){ if(res<=M)count++;else {cout<<0;return 0;} }else {cout<<0;return 0;} ll l=max,r=M+1; while(l<=r){ ll mid=l+r>>1; ll base=mid; __int128 res=0; int flag=0; for(int i=0;i<n;i++){ res=res*base+X[i]-'0'; if(res>M){flag=1;break;} } //cout<<res<<endl; if(flag==0){ if(res<=M)l=mid+1;else {r=mid-1;} }else {r=mid-1;} } count+=(r-max-1); cout<<count;} }
//{{{ #include <bits/stdc++.h> using namespace std; using LL = long long; using VLL = vector<LL>; using vi = vector<int>; using pii = pair<int, int>; #define sz(x) (int)((x).size()) #define all(x) (x).begin(), (x).end() #define clr(a, b) memset(a, b, sizeof(a)) #ifdef LOCAL #include "prettyprint.hpp" // clang-format off void _print() { cerr << "]\033[0m\n"; } template <typename T> void __print(T x) { cerr << x; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } #define debug(x...) cerr << "\033[1;34m[" << #x << "] = \033[1;32m["; _print(x) #define debug_arr(x...) cerr << "\033[1;34m[" << #x << "] = \033[1;32m" << (x) << "\033[0m\n" #else #define debug(x...) #define debug_arr(x...) #endif // clang-format on //}}} string x; LL m; bool check(LL base) { __int128 b = base; __int128 v = 1; __int128 res = 0; __int128 mm = __int128(m); int n = sz(x); for (int i = 0; i < n; i++) { __int128 dig = x[i] - '0'; if (v > m) return false; res += dig * v; v *= b; } return res <= mm; } int main() { #ifdef LOCAL freopen("in", "r", stdin); // freopen("out", "w", stdout); #endif while (cin >> x >> m) { int mx = -1; reverse(all(x)); for (auto ch : x) { int d = ch - '0'; mx = max(mx, d); } if (check(mx + 1) == false) { cout << 0 << endl; continue; } LL lo = mx + 1, hi = 3e18 + 100; while (lo + 1 < hi) { LL mid = lo + (hi - lo) / 2; bool ok = check(mid); if (ok) lo = mid; else hi = mid; } debug(lo, hi); if (lo >= 2e18) { cout << 1 << endl; } else { cout << lo - (mx + 1) + 1 << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define endl "\n" const int N = 1e5 + 5; #define int long long int int32_t main() { IOS ; // int t ; cin >> t ; while(t--) {} int n ; cin >> n ; char c ; int dp[4][n+1] ; for(int i=0; i<4; i++) dp[i][0] = 0 ; for(int i=1; i<=n; i++) { cin >> c ; dp[0][i] = dp[0][i-1] ; dp[1][i] = dp[1][i-1] ; dp[2][i] = dp[2][i-1] ; dp[3][i] = dp[3][i-1] ; if(c == 'A') dp[0][i]++ ; else if(c == 'T') dp[1][i]++ ; else if(c == 'C') dp[2][i]++ ; else dp[3][i]++ ; } int cnt = 0 ; for(int i=2; i<=n; i++) { for(int j=1; j<i; j++) { int x = dp[0][i] - dp[0][j-1] ; int y = dp[1][i] - dp[1][j-1] ; int z = dp[2][i] - dp[2][j-1] ; int w = dp[3][i] - dp[3][j-1] ; if(x == y and z == w) cnt++ ; } } cout << cnt ; return 0 ; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; typedef vector<ll> vl; typedef vector<bool> vb; typedef vector<string> vs; typedef vector<char> vc; typedef queue<ll> ql; typedef deque<ll> dql; typedef priority_queue<ll> pql; typedef set<ll> sl; typedef pair<ll, ll> pl; typedef map<ll, ll> ml; typedef vector<vl> vvl; typedef vector<pl> vpl; #define rep(i, n) for(ll i = 0; i < ll(n); i++) #define rep2(i, k, n) for(ll i = ll(k); i <= ll(n); i++) #define rep3(i, n, k) for(ll i = ll(n); i >= ll(k); i--) #define all(v) (v).begin(), (v).end() ll mod(ll a, ll b) {return (a % b + b) % b;} ll quo(ll a, ll b) {return (a - mod(a, b)) / b;} template <typename T, typename U> bool chmin(T &a, const U b) {if(a > b) {a = b; return 1;} return 0;} template <typename T, typename U> bool chmax(T &a, const U b) {if(a < b) {a = b; return 1;} return 0;} const ll INF = 1LL << 60; const ll MOD = 1e9 + 7; //const ll MOD = 998244353; const ll MAX = 2e5; const ld eps = 1e-9; const char newl = '\n'; int main() { ios::sync_with_stdio(false); cin.tie(0); ll n; string ans; cin >> n; vl a(2*n); rep(i, 2*n) cin >> a[i]; vpl vec(2*n); rep(i, 2*n) vec[i] = pl(a[i], i); sort(all(vec)); vb plus(2*n, 1); rep(i, n) plus[vec[i].second] = 0; ll cnt = 0; rep(i, 2*n) { if(plus[i]) { if(cnt >= 0) ans += '('; else ans += ')'; cnt++; }else { if(cnt <= 0) ans += '('; else ans += ')'; cnt--; } } cout << ans << newl; return 0; }
#include <bits/stdc++.h> #include <climits> #include <math.h> #include <iomanip> #include <algorithm> #include <map> #define rep(i,s,n) for (ll i = s; i < (n); ++i) using namespace std; using ll = long long; using ull = unsigned long long; using P = pair<int,int>; int main() { int a,b,c; cin>>a>>b>>c; if(a==b){ if(c==0){ cout<<"Aoki"<<endl; }else{ cout<<"Takahashi"<<endl; } }else if(a>b){ cout<<"Takahashi"<<endl; }else{ cout<<"Aoki"<<endl; } }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main(){ int a,b,c; cin >> a >> b >> c; int d = min(a,b); a -= d; b -= d; if(c==0){ if(a-1<0) cout << "Aoki" << endl; else cout << "Takahashi" << endl; } if(c==1){ if(b-1<0) cout << "Takahashi" << endl; else cout << "Aoki" << endl; } }
#pragma GCC optimize "-O3" #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 dx[4] = {0,1,0,-1}; int dy[4] = {-1,0,1,0}; int main(){ ios::sync_with_stdio(false); cin.tie(0); int H, W, N, M; cin >> H >> W >> N >> M; vector<vector<bool>> fi(H, vector<bool>(W, true)); queue<tuple<int, int, int>> q; vector<int> A(N), B(N); vector<int> C(M), D(M); rep(i,N){ cin >> A[i] >> B[i]; --A[i], --B[i]; } rep(i,M){ cin >> C[i] >> D[i]; --C[i], --D[i]; fi[C[i]][D[i]] = false; } std::chrono::system_clock::time_point chrono_start =std::chrono::system_clock::now(); vector<vector<vector<bool>>> used(4, vector<vector<bool>>(H, vector<bool>(W))); rep(i,N){ used[0][A[i]][B[i]] = true; used[1][A[i]][B[i]] = true; used[2][A[i]][B[i]] = true; used[3][A[i]][B[i]] = true; rep(d,4){ int nh = A[i] + dx[d], nw = B[i] + dy[d]; if(nh < 0 or nh >= H or nw < 0 or nw >= W or !fi[nh][nw]) continue; q.emplace(d, nh, nw); } } int cnt = 0; while(!q.empty()){ cnt++; auto [dir, h, w] = q.front(); q.pop(); if(used[dir][h][w]) continue; used[dir][h][w] = true; int nh = h + dx[dir], nw = w + dy[dir]; if(nh < 0 or nh >= H or nw < 0 or nw >= W or !fi[nh][nw]) continue; if(used[dir][nh][nw]) continue; q.emplace(dir, nh, nw); } int ans = 0; rep(i,H) rep(j,W){ bool ok = false; rep(k,4) if(used[k][i][j]) ok = true; if(ok) ans++; } cout << ans << endl; auto chrono_end = std::chrono::system_clock::now(); cerr << fixed << setprecision(5); cerr << std::chrono::duration_cast<std::chrono::milliseconds>(chrono_end - chrono_start).count() << " ms" << endl; return 0; }
#include <bits/stdc++.h> #define fst first #define snd second #define ll long long #define ld long double #define pb push_back #define emp emplace_back #define pii pair<int, int> #define usg unsigned #define sg signed #define mp make_pair using namespace std; void setIO(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); } const ld PI = 4*atan((ld)1); const int INF = 1e9+7; const ll _INF = 1e18; const int N = 1507; int a[N][N]; bool vld[N][N]; int main(){ setIO(); int h, w, n, m; cin >> h >> w >> n >> m; for (int i = 0; i < n; i++){ int r, c; cin >> r >> c; a[r][c] = 1; } for (int i = 0; i < m; i++){ int r, c; cin >> r >> c; a[r][c] = -1; } // right for (int i = 1; i <= h; i++){ bool ok = 0; for (int j = 1; j <= w; j++){ if (a[i][j] == 1) ok = 1; else if (a[i][j] == -1) ok = 0; vld[i][j] |= ok; } } // left for (int i = 1; i <= h; i++){ bool ok = 0; for (int j = w; j >= 1; j--){ if (a[i][j] == 1) ok = 1; else if (a[i][j] == -1) ok = 0; vld[i][j] |= ok; } } // down for (int i = 1; i <= w; i++){ bool ok = 0; for (int j = 1; j <= h; j++){ if (a[j][i] == 1) ok = 1; else if (a[j][i] == -1) ok = 0; vld[j][i] |= ok; } } // up for (int i = 1; i <= w; i++){ bool ok = 0; for (int j = h; j >= 1; j--){ if (a[j][i] == 1) ok = 1; else if (a[j][i] == -1) ok = 0; vld[j][i] |= ok; } } int ans = 0; for (int i = 1; i <= h; i++){ for (int j = 1; j <= w; j++){ if (vld[i][j]) ans++; } } cout << ans << endl; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; #define ff first #define ss second #define pb push_back #define all(x) (x).begin(), (x).end() #define mem0(x) memset(x, 0, sizeof (x)) #define mem1(x) memset(x, -1, sizeof (x)) typedef long long ll; typedef vector <int> vi; typedef vector<vi> vvi; typedef pair<int, int> ii; typedef vector <ii> vii; typedef vector<vii> vvii; typedef vector <ll> vll; typedef vector<vll> vvll; typedef pair<ll, ll> pll; int main(){ ios::sync_with_stdio(false); cin.tie(0); int T=1, n; while (T--){ cin >> n; ll ans = 0; vll acum(n,0); vi mxpos(n,0); ll mx = -1e18; ll pos = -1; for (int i = 0; i < n; ++i) { int aux; cin >> aux; acum[i] = aux; if (i) acum[i] += acum[i-1]; if (acum[i] > mx){ pos = i; mx = acum[i]; } mxpos[i] = pos; } ll curr = 0; for (int i = 0; i < n; ++i) { ans = max(ans, curr + acum[mxpos[i]]); curr += acum[i]; } cout << ans << "\n"; } }
#include <bits/stdc++.h> using namespace std; using lint = long long int; using P = pair<lint, lint>; int main() { lint N; cin >> N; vector<lint> A(N); for(auto& elem : A) cin >> elem; P ans = {0,0}; for(lint i=2; i<=1000; i++) { lint counter = 0; for(auto a : A) { counter += (a%i == 0); } ans = max(ans, P(counter, i)); } cout << ans.second << endl; }
#include <array> #include <algorithm> #include <iostream> #include <fstream> #include <sstream> #include <functional> #include <iomanip> #include <numeric> #include <cstring> #include <cassert> #include <cstdio> #include <string> #include <vector> #include <bitset> #include <queue> #include <stack> #include <cmath> #include <ctime> #include <list> #include <set> #include <map> #include <unordered_set> #include <unordered_map> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vpii = vector<pii>; using vpll = vector<pll>; template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (const auto &x : v) os << x << " "; return os; } void solve() { int n; cin >> n; vector<ll> a(n), b(n), x(n); ll suma = 0; for (int i=0; i<n; i++) { cin >> a[i] >> b[i]; suma += a[i]; x[i] = 2*a[i] + b[i]; } sort(x.rbegin(), x.rend()); ll score = -suma; int i = 0; while (score <= 0) { score += x[i]; i++; } cout << i << endl; } int main() { solve(); return 0; }
//clear adj and visited vector declared globally after each test case //check for long long overflow //while adding and subs check if mod becomes -ve //while using an integer directly in a builtin function add ll //Mod wale question mein last mein if dalo ie. Ans<0 then ans+=mod; //Dont keep array name as size or any other key word #include <bits/stdc++.h> #include <algorithm> #include <cmath> using namespace std; #define Fio \ ios_base::sync_with_stdio(false); \ cin.tie(nullptr); \ cout.tie(nullptr) #define f(i, n) for (long long int i = 0; i < n; i++) #define ll long long int #define fo(i, a, b) for (long long int i = a; i <= b; i++) #define w(t) \ int t; \ cin >> t; \ while (t--) #define all(v) v.begin(),v.end() #define vi vector<int> #define vl vector<long long int> #define vvi vector<vector<int>> #define vvl vector<vector<long long int>> #define mii map<int, int> #define umii unordered_map<int, int> #define mll map<ll,ll> #define umll unordered_map<ll,ll> #define newl cout<<"\n" #define pb push_back #define mp make_pair #define fi first #define se second const ll inf = 1e9 + 7; const ll mod = 1e9 + 7; #define MAX 100005 ll mini(ll a,ll b){ if(a>=b)return b; return a; } ll maxi(ll a,ll b){ if(a>=b)return a; return b; } bool cmp(pair<ll,ll> a,pair<ll,ll>b){ return a.fi>b.fi; } int main(){ Fio; ll n; cin>>n; vector<ll>A; ll ao = 0,taka = 0; fo(i,1,n){ ll x,y; cin>>x>>y; A.pb(2*x+y); ao+=x; } sort(A.rbegin(),A.rend()); ll ans = 0; fo(i,0,n-1){ taka += A[i]; ans++; if(taka>ao)break; } cout<<ans; return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int N; cin >> N; vector<vector<int>> psl(N, vector<int>(2)); vector<vector<int>> psr(N, vector<int>(2)); for (int i = 0; i < N; ++i) { cin >> psr[i][0] >> psl[i][0]; psr[i][1] = i; psl[i][1] = i; // cout << ps[i][0]; // cout << ps[i][1]; // cout << endl; } sort(psl.begin(), psl.end(), [](const vector<int> &alpha, const vector<int> &beta) { return alpha[0] < beta[0]; }); sort(psr.begin(), psr.end(), [](const vector<int> &alpha, const vector<int> &beta) { return alpha[0] < beta[0]; }); if (psr[0][1] == psl[0][1]) { if ((psr[0][0] + psl[0][0]) <= min(psr[1][0], psl[1][0])) { cout << psr[0][0] + psl[0][0] << endl; } else { cout << min(max(psr[0][0],psl[1][0]), max(psr[1][0], psl[0][0])) << endl; } } else { cout << max(psr[0][0], psl[0][0]) << endl; } }
#include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; #define all(v) v.begin(), v.end() #define ll long long #define rep(i, n) for (ll i = 0; i < n; ++i) #define rep_up(i, a, b) for (ll i = a; i < b; ++i) #define rep_down(i, a, b) for (ll i = a; i > b; --i) #define P pair<ll, ll> #define Graph vector<vector<ll>> #define fi first #define se second #define vvvvll vector<vector<vector<vector<ll>>>> #define vvvll vector<vector<vector<ll>>> #define vvll vector<vector<ll>> #define vll vector<ll> #define vvvvdo vector<vector<vector<vector<double>>>> #define vvvdo vector<vector<vector<double>>> #define vvdo vector<vector<double>> #define vdo vector<double> #define maze(S, H, W) vector<vector<char>> S(H, vector<char>(W)) #define pqll priority_queue<ll> #define pqllg priority_queue<ll, vector<ll>, greater<ll>> constexpr ll INF = (1ll << 60); // constexpr ll mod = 998244353; // constexpr ll mod = 67280421310721; // constexpr ll mod = 1e18+3; ll mod = 1000000007; constexpr double pi = 3.14159265358979323846; template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> void pt(T val) { cout << val << "\n"; } template <typename T> void pt_vll(vector<T> &v) { ll vs = v.size(); rep(i, vs) { cout << v[i]; if (i == vs - 1) cout << "\n"; else cout << " "; } } template <typename T> void pt_vvll(vector<vector<T>> &v) { ll vs = v.size(); rep(i, vs) pt_vll(v[i]); } template <typename X, typename Y> void pt_pair(pair<X, Y> val) { cout << val.fi << " " << val.se << "\n"; } template <typename X, typename Y> void pt_vpair(vector<pair<X, Y>> &v) { rep(i, v.size()) pt_pair(v[i]); } ll gcd(ll a, ll b) { if (a % b == 0) return b; return gcd(b, a % b); } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } ll modinv(ll a, ll m) { ll b = m, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } ll modpow(ll x, ll n) { ll ret = 1; if (x < 0) return 0ll; while (n > 0) { if (n & 1) ret = ret * x % mod; x = x * x % mod; n >>= 1; } return ret; } ll minv(ll a, ll m) { return modpow(a, m - 2); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll N; cin >> N; vll A(N), B(N); rep(i, N) cin >> A[i] >> B[i]; ll ans = INF; rep(i, N) { rep(j, N) if (i != j) chmin(ans, max(A[i], B[j])); } rep(i, N) chmin(ans, A[i] + B[i]); pt(ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> pll; #define FOR(i, n, m) for(ll (i)=(m);(i)<(n);++(i)) #define REP(i, n) FOR(i,n,0) #define OF64 std::setprecision(40) const ll MOD = 1000000007; const ll INF = (ll) 4e18; long long extGCD(long long a, long long b, long long &x, long long &y) { if (b == 0) { x = 1; y = 0; return a; } long long d = extGCD(b, a % b, y, x); y -= a / b * x; return d; } long long gcd(long long a, long long b) { if (a < b) swap(a, b); long long c = a % b; if (c == 0) return b; return gcd(b, c); } //! 方程式 ax = b (mod m) の解xを返す。 //! 見つからなかった場合 -1 long long mod_solver(long long a, long long b, long long m) { if (a < 0) { a = (m - (abs(a) % m)) % m; } if (b < 0) { b = (m - (abs(b) % m)) % m; } a %= m; b %= m; if (b == 0) return 0; if (a == 0) return -1; long long g0 = gcd(m, gcd(a, b)); a /= g0; b /= g0; m /= g0; long long x, y; long long g1 = extGCD(a, m, x, y); if (g1 != 1) { return -1; } if (x < 0) x += m; return (x * b) % m; } ll solve() { ll X, Y, P, Q; cin >> X >> Y >> P >> Q; ll ret = INF; for (ll x = -Q + 1; x < Y; ++x) { // 電車から見た相対位置がxとなるような最小値 //! 2*(X+Y)*t +X +x == P (mod P+Q) ll t = mod_solver(2LL * (X + Y), P - X - x, P + Q); if (t < 0) continue; ll ans = 2LL * (X + Y) * t + X; if (x >= 0) { ans += x; } ret = std::min(ret, ans); } if (ret == INF) ret = -1; return ret; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll Q; cin >> Q; REP(_, Q) { ll ans = solve(); if (ans < 0) { cout << "infinity" << endl; } else { cout << ans << endl; } } return 0; }
#include<bits/stdc++.h> using namespace std; int const p=1e9+7; int f[1005][2][2],g[1005][2][2],h[1005][2][2]; int main() { int n; char aa,ab,ba,bb; cin>>n>>aa>>ab>>ba>>bb; f[2][0][0]=f[2][0][1]=f[2][1][0]=f[2][1][1]=1; g[2][0][0]=g[2][0][1]=g[2][1][0]=g[2][1][1]=1; h[2][0][0]=h[2][0][1]=h[2][1][0]=h[2][1][1]=1; int t0=aa-'A',t1=ab-'A',t2=ba-'A',t3=bb-'A'; for(int i=3;i<=n;i++) { for(int j=2;j<i;j++) { if(t0)f[i][0][0]=(f[i][0][0]+1ll*g[j][0][t0]*f[i-j+1][t0][0])%p; else f[i][0][0]=(f[i][0][0]+1ll*h[j][0][t0]*f[i-j+1][t0][0])%p; if(t1)f[i][0][1]=(f[i][0][1]+1ll*f[j][0][t1]*g[i-j+1][t1][1])%p; else f[i][0][1]=(f[i][0][1]+1ll*h[j][0][t1]*f[i-j+1][t1][1])%p; if(t2)f[i][1][0]=(f[i][1][0]+1ll*g[j][1][t2]*f[i-j+1][t2][0])%p; else f[i][1][0]=(f[i][1][0]+1ll*h[j][1][t2]*f[i-j+1][t2][0])%p; if(t3)f[i][1][1]=(f[i][1][1]+1ll*g[j][1][t3]*f[i-j+1][t3][1])%p; else f[i][1][1]=(f[i][1][1]+1ll*h[j][1][t3]*f[i-j+1][t3][1])%p; if(!t0)g[i][0][0]|=(g[j][0][0]&g[i-j+1][0][0]); if(!t1)g[i][0][1]|=(g[j][0][0]&g[i-j+1][0][1]); if(!t2)g[i][1][0]|=(g[j][1][0]&g[i-j+1][0][0]); if(!t3)g[i][1][1]|=(g[j][1][0]&g[i-j+1][0][1]); if(t0)h[i][0][0]|=(h[j][0][1]&h[i-j+1][1][0]); if(t1)h[i][0][1]|=(h[j][0][1]&h[i-j+1][1][1]); if(t2)h[i][1][0]|=(h[j][1][1]&h[i-j+1][1][0]); if(t3)h[i][1][1]|=(h[j][1][1]&h[i-j+1][1][1]); } } cout<<f[n][0][1]; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; constexpr ll MOD = 1e9 + 7; //constexpr ll MOD = 998244353; //constexpr ll MOD = ; ll mod(ll A, ll M) {return (A % M + M) % M;} constexpr ll INF = 1LL << 60; template<class T> bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} template<class T> bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;} ll divceil(ll A, ll B) {return (A + (B - 1)) / B;} #define FINALANS(A) do {cout << (A) << '\n'; exit(0);} while (false) int main() { ll N; cin >> N; vector<ll> A(N), B(N); for (ll i = 0; i < N; i++) { cin >> A.at(i); } reverse(A.begin(), A.end()); for (ll i = 0; i < N; i++) { cin >> B.at(i); } priority_queue<ll, vector<ll>, greater<ll>> pque; ll AokiSum = 0; for (ll i = 0; i < N; i++) { pque.push(A.at(i)); pque.push(B.at(i)); AokiSum += pque.top(); pque.pop(); } ll S = accumulate(A.begin(), A.end(), 0LL) + accumulate(B.begin(), B.end(), 0LL); ll ans = S - AokiSum; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long int; using pll = pair<ll, ll>; using vll = vector<ll>; #define endl "\n" #define space " " #define TLE_na_ho ios_base::sync_with_stdio(false);cin.tie(NULL) #define MAX_SIZE 1024 #define MOD 1000000007 #define pb push_back #define ff first #define ss second #define all(v) v.begin(),v.end() #define f(n) for(ll i=0;i<n;i++) #define rep(i,a,n) for(ll i=a;i<n;i++) #define repe(i,a,n) for(ll i=a;i<=n;i++) #define repr(i,a,n) for(ll i=a;i>=n;i--) #define ain(arr,n) for(ll i1=0;i1<n;i1++ ) cin>>arr[i1] #define aout(arr,n) for(ll i1=0;i1<n;i1++ ) cout<<arr[i1]<<space ll testcases; int main() { TLE_na_ho; //READ THE QUESTION PROPERLY!! testcases = 1; //cin>>testcases; while(testcases--) { ll n; cin >> n; ll a[n]; ll md = 0, cd = 0; double ed = 0; f(n) { cin >> a[i]; md += abs(a[i]); cd = max(cd, abs(a[i])); ed += a[i] * a[i]; } cout << fixed << setprecision(9) << md << endl << sqrt(ed) << endl << cd << endl; } }
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); char ch[3]; for(ll i=0;i<3;i++) cin>>ch[i]; char c = ch[0]; if(ch[1]==c && ch[2]==c) cout<<"Won\n"; else cout<<"Lost\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; if(s[0]==s[1]&&s[1]==s[2]) cout<<"Won"; else cout<<"Lost"; }
#include <bits/stdc++.h> using namespace std; const int MAX_N = 41; typedef long long LL; LL a[1 << (MAX_N / 2)], b[1 << (MAX_N / 2)]; LL item[MAX_N]; int generate_item(LL* s, int beg, int end) { int len = 1 << (end - beg); for (int i = 0; i < len; i++) { for (int j = beg; j < end; j++) s[i] += (1 << (j - beg)) & i ? item[j] : 0; } sort(s, s + len); return len; } LL GCD(LL x, LL y) { return y == 0 ? x : GCD(y, x % y); } LL LCM(LL x, LL y) { return x * y / GCD(x, y); } const int MAX_CHAR_NUM = 4 * 1e5 + 10; char tmp[MAX_CHAR_NUM]; char get_char(LL p) { return p % 3 == 2 ? '0' : '1'; } vector<int> getNext(const string& s) { vector<int> ret(s.length(), 0); if (ret.empty()) return ret; for (size_t k1(1), kt(0); k1 < ret.size(); ++k1) { while (kt && s[kt] != s[k1]) kt = ret[kt - 1]; if (s[kt] == s[k1]) ++kt; ret[k1] = kt; } return ret; } vector<int> kmp(const string& s1, const string& s2) { vector<int> ret; int sl1(s1.length()), sl2(s2.length()); if (!(sl1 && sl2)) return ret; vector<int> nv2(getNext(s2)); for (int k1(0), k2(0); k1 < sl1;) { if (s1[k1] == s2[k2]) ++k1, ++k2; else if (k2) k2 = nv2[k2 - 1]; else ++k1; if (k2 == sl2) ret.push_back(k1 - k2), k2 = nv2[k2 - 1]; } return ret; } int match_num(const string& s, const string& t) { return kmp(s, t).size(); } LL get_result(LL l, LL r, const string& t) { int len = t.length(); if (r - l <= len) { string s(1, get_char(l)); return match_num(s, t); } LL m = (l + r) / 2; LL left_result = get_result(l, m, t); LL right_result = get_result(m, r, t); LL mid_result = 0; int left_idx = max(l, m - len); int right_idx = min(r, m + len); // if (right_idx - left_idx >= len) { // for (int i = left_idx; i < right_idx; i++) // tmp[i - left_idx] = get_char(i); // // tmp[right_idx - left_idx] = 0; // // string mid_string(tmp); // // mid_result = match_num(mid_string, t); // } // return mid_result; return left_result + right_result + mid_result; } int main() { LL SRC = 10000000000L; int N, p; string T; cin >> N >> T; if (N == 1) { cout << ((T[0] == '1') + 1) * SRC << endl; return 0; } tmp[N] = 0; for (p = 0; p < 3; p++) { for (int i = 0; i < N; i++) tmp[i] = get_char(p + i); string S(tmp); if (S == T) break; } if (p == 3) puts("0"); else { cout << SRC - (p + N - 1) / 3 << endl; } 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;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; 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; } //--------------------------------------------------------------------------------------------------- /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan0     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, M; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N >> M; map<int, vector<int>> pawns; rep(i, 0, M) { int X, Y; cin >> X >> Y; pawns[X].push_back(Y); } set<int> ans; ans.insert(N); fore(p, pawns) { set<int> ng; set<int> ok; fore(y, p.second) { if (ans.count(y - 1)) ok.insert(y); else if (ans.count(y + 1)) ok.insert(y); else ng.insert(y); } fore(i, ng) ans.erase(i); fore(i, ok) ans.insert(i); } cout << ans.size() << endl; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; #if __has_include(<atcoder/all>) #include<atcoder/all> using namespace atcoder; #endif typedef long long ll; typedef long double ld; template <class T> using V = vector<T>; template <class T> using VV = V<V<T>>; typedef pair<int,int> pii; typedef pair<long long, long long> pll; #define all(x) x.begin(),x.end() #define rep2(i, m, n) for (int i = (m); i < (n); ++i) #define rep(i, n) rep2(i, 0, n) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define unique(a) a.erase(unique(a.begin(),a.end()),a.end()) template<class... T>void input(T&... a){(cin >> ... >> a);}; #define INT(...) int __VA_ARGS__; input(__VA_ARGS__) #define LL(...) ll __VA_ARGS__; input(__VA_ARGS__) #define STRING(...) string __VA_ARGS__; input(__VA_ARGS__) void print(){cout << '\n';} template<class T, class... Ts>void print(const T& a, const Ts&... b){cout << a; (cout << ... << (cout << ' ', b)); cout << '\n';} template<class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T> >; template<class T, class U> inline bool chmax(T &a, const U &b) { if (a<b) { a=b; return 1; } return 0; } template<class T, class U> inline bool chmin(T &a, const U &b) { if (a>b) { a=b; return 1; } return 0; } template<class T1, class T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template<class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; } template<class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<typename T> ostream& operator << (ostream& os, set<T>& set_var) {os << "{"; for (auto itr = set_var.begin(); itr != set_var.end(); itr++) {os << *itr;++itr;if(itr != set_var.end()) os << ", ";itr--;}os << "}";return os;} template <typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) {os << "{";for(auto itr = map_var.begin(); itr != map_var.end(); itr++) {os << *itr;itr++;if (itr != map_var.end()) os << ", ";itr--;}os << "}";return os;} #ifdef __LOCAL void debug_out(){ cerr << endl;} template < class Head, class... Tail> void debug_out(Head H, Tail... T) { cerr << ' ' << H; debug_out(T...);} #define debug(...) cerr << 'L' << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define dump(x) cerr << 'L' << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif template<class T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r) #define pb push_back #define eb emplace_back #define elif else if #define mp make_pair #define bit(n, k) ((n >> k) & 1) /*nのk bit目*/ template<typename T> T gcd(T x, T y){if(x%y == 0)return y;return gcd(y, x%y);} template<typename T> T gcd(vector<T> a){T res = a[0];for(auto &x: a)res = gcd(res, x);return res;} template <typename T>T mypow(T x, ll n){T ret = 1;while(n > 0){if(n & 1)(ret *= x);(x *= x);n >>= 1;}return ret;} #define endl '\n' int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; int dy[8] = {0, 1, 0, -1, 1, -1, -1, 1}; void solve(){ INT(a,b,c); print(max({a+b,a+c,b+c})); } int main() { cin.tie(0); ios_base::sync_with_stdio(false); cout << setprecision(20); int codeforces = 1; //cin >> codeforces; while(codeforces--){ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int A,B,C;cin>>A>>B>>C; int a=A+B; int b=B+C; int c=A+C; if(A==B==C){ cout<<A+B; }else{ int z=max(max(a,b),c); cout<<z; } }
#include <cstdio> int N; const int MAXN=2e5+7; char buf[MAXN]; char pattern[MAXN]; using ll = long long int; ll setu=1e10; int main(){ scanf("%d\n",&N); scanf("%s",buf); if (N==1&&buf[0]=='1') { puts("20000000000"); return 0; } else if (N==1&&buf[0]=='0'){ puts("10000000000"); return 0; } for(int i=0;i<N+6;i++){ if (i%3==0) pattern[i]='1'; else if (i%3==1) pattern[i]='1'; else pattern[i]='0'; } int offset=0; while(offset<3){ bool match=true; for(int i=0;i<N;i++) if (pattern[i+offset]!=buf[i]) { match=false; break; } if (match) break; end: offset++; } out: if (offset==3){ puts("0"); return 0; } ll len=(N+offset+2)/3; ll ans=(setu-len)+1; printf("%lld\n",ans); return 0; }
#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; #define ff first #define ss second #define int long long int #define pb push_back #define mp make_pair #define pii pair<int,int> #define vi vector<int> #define mii map<int,int> #define pqb priority_queue<int> #define pqs priority_queue<int,vi,greater<int> > #define setbits(x) __builtin_popcountint(x) #define zrobits(x) __builtin_ctzint(x) #define mod 1000000007 #define INF 1e18 #define ps(x,y) fixed<<setprecision(y)<<x #define mk(arr,n,type) type *arr=new type[n]; #define w(x) int x; cin>>x; while(x--) #define LCM(a,b) ((a*b)/__gcd(a,b)) #define PI 2*acos(0.0) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // If want to add duplicate values replace int with pair below // and give the second pair value always unique in order to add duplicates in set. typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> pbds; // W,N,E,S int dx[] = { -1, 0, 1, 0}; int dy[] = {0, -1, 0, 1}; void c_p_c() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } // seive prime void seive_prime(int N) { vector<bool>prime(N + 1, true); vector<int>prime_no; prime[0] = false; prime[1] = false; for (int i = 4; i <= N; i += 2) { prime[i] = false; } for (int i = 3; i * i <= N; i += 2) { if (prime[i]) { int m = i * i; while (m <= N) { prime[m] = false; m += i; } } } int i = 0; for (auto v : prime) { if (v) prime_no.push_back(i); i++; } // return prime_no; } // Primality Test bool isPrime(int n) { if (n == 2) return true; for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } // Modular Exponentiation int modularExpo(int a, int b, int modVal) { int res = 1; while (b > 0) { if (b & 1) { res = (res * a) % modVal; } b = b >> 1; a = (a * a) % modVal; } return (res % modVal); } // Euler Totient function void find_phi(vector<int>&phi) { for (int i = 1; i < phi.size(); i++) phi[i] = i; for (int i = 2; i < phi.size(); i++) { if (phi[i] == i) { for (int j = i; j < phi.size(); j += i) { phi[j] = phi[j] - (phi[j] / i); } } } // for(int i=3; i<phi.size(); i++) // { // phi[i]+=phi[i-1]; // } } int32_t main() { c_p_c(); // int case_no = 1; // w(t) // { // } int n; cin >> n; int cnt[n + 1] = {0}; for (int i = 0; i < n; i++) { int a; cin >> a; cnt[a] += 1; } int flag = 1; for (int i = 1; i <= n; i++) { if (cnt[i] > 1) { flag = 0; break; } } if (flag) cout << "Yes"; else cout << "No"; #ifndef ONLINE_JUDGE cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n"; #endif return 0; }
// chrono::system_clock::now().time_since_epoch().count() #include <bits/stdc++.h> #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x).size() #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define debug(x) cerr << #x << " = " << x << endl using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; const int MAXN = (int)1e6 + 5; ll dp[MAXN]; int L, R; ll ans; void solve() { cin >> L >> R; for (int g = R; g >= 1; g--) { int cnt = 0; for (int i = g; i <= R; i += g) { if (i >= L) { cnt++; } dp[g] -= dp[i]; } dp[g] += cnt * 1ll * cnt; if (g > 1) { ans += dp[g]; } } for (int a = L; a <= R; a++) { for (int b = a; b <= R; b += a) { if (a == 1 || b == 1) { continue; } if (a == b) { --ans; } else { ans -= 2; } } } cout << ans << '\n'; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tt = 1; for (int i = 1; i <= tt; ++i) { solve(); } return 0; }
#include<bits/stdc++.h> using namespace std; using ll=long long; int main(){ int l,r; cin>>l>>r; vector<ll> po(r+1,0); ll ans=0; for(int g=r;g>=2;g--){ po[g]=r/g-(l-1)/g; po[g]*=po[g]; for(int g2=2*g;g2<=r;g2+=g){ po[g]-=po[g2]; } ans+=po[g]; if(g>=l)ans-=r/g*2-1; } cout<<ans<<endl; }
#include<bits/stdc++.h> using namespace std; namespace Sakurajima_Mai{ #define ms(a) memset(a,0,sizeof(a)) #define repi(i,a,b) for(int i=a,bbb=b;i<=bbb;++i)//attention reg int or reg ll ? #define repd(i,a,b) for(int i=a,bbb=b;i>=bbb;--i) #define reps(s) for(int i=head[s],v=e[i].to;i;i=e[i].nxt,v=e[i].to) #define ce(i,r) i==r?'\n':' ' #define pb push_back #define all(x) x.begin(),x.end() #define gmn(a,b) a=min(a,b) #define gmx(a,b) a=max(a,b) #define fi first #define se second typedef long long ll; typedef unsigned long long ull; typedef double db; const int infi=1e9;//infi较大,注意涉及inf相加时爆int const ll infl=4e18; inline ll ceil_div(ll a,ll b){ return (a+b-1)/b; } inline ll pos_mod(ll a,ll b){ return (a%b+b)%b; } //std::mt19937 rnd(time(0));//std::mt19937_64 rnd(time(0)); } using namespace Sakurajima_Mai; namespace Fast_Read{ inline int qi(){ int f=0,fu=1; char c=getchar(); while(c<'0'||c>'9'){ if(c=='-')fu=-1; c=getchar(); } while(c>='0'&&c<='9'){ f=(f<<3)+(f<<1)+c-48; c=getchar(); } return f*fu; } inline ll ql(){ ll f=0;int fu=1; char c=getchar(); while(c<'0'||c>'9'){ if(c=='-')fu=-1; c=getchar(); } while(c>='0'&&c<='9'){ f=(f<<3)+(f<<1)+c-48; c=getchar(); } return f*fu; } inline db qd(){ char c=getchar();int flag=1;double ans=0; while((!(c>='0'&&c<='9'))&&c!='-') c=getchar(); if(c=='-') flag=-1,c=getchar(); while(c>='0'&&c<='9') ans=ans*10+(c^48),c=getchar(); if(c=='.'){c=getchar();for(int Bit=10;c>='0'&&c<='9';Bit=(Bit<<3)+(Bit<<1)) ans+=(double)(c^48)*1.0/Bit,c=getchar();} return ans*flag; } } namespace Read{ #define si(a) scanf("%d",&a) #define sl(a) scanf("%lld",&a) #define sd(a) scanf("%lf",&a) #define ss(a) scanf("%s",a) #define rai(x,a,b) repi(i,a,b) x[i]=qi() #define ral(x,a,b) repi(i,a,b) x[i]=ql() } namespace Out{ #define pi(x) printf("%d",x) #define pl(x) printf("%lld",x) #define ps(x) printf("%s",x) #define pc(x) printf("%c",x) #define pe() puts("") } namespace DeBug{ #define MARK false #define DB if(MARK) #define pr(x) cout<<#x<<": "<<x<<endl #define pra(x,a,b) cout<<#x<<": "<<endl; \ repi(i,a,b) cout<<x[i]<<" "; \ puts(""); #define FR(a) freopen(a,"r",stdin) #define FO(a) freopen(a,"w",stdout) } using namespace Fast_Read; using namespace Read; using namespace Out; using namespace DeBug; const int MAX_N=2e5+5; int n; vector<int>ball[MAX_N]; int main() { n=qi(); repi(i,1,n){ int x=qi(),c=qi(); ball[c].pb(x); } ll resl=0,posl=0,resr=0,posr=0; repi(i,1,n)if(ball[i].size()){ sort(all(ball[i])); ll pl=ball[i][0],pr=*ball[i].rbegin(); ll nowl=min(abs(posl-pr)+pr-pl+resl,abs(posr-pr)+pr-pl+resr); ll nowr=min(abs(posl-pl)+pr-pl+resl,abs(posr-pl)+pr-pl+resr); resl=nowl,resr=nowr; posl=pl,posr=pr; } pl(min(resl+abs(posl),resr+abs(posr))),pe(); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int a,b,x,y; cin>>a>>b>>x>>y; int y_=min(2*x,y); int kyori_=abs(2*b+1-2*a); cout<<kyori_/2*y_+x<<endl; }
#include<bits/stdc++.h> using namespace std; #define FOR(i,s,t) for(int i=(s),_t=(t); i<=_t; ++i) #define DOR(i,s,t) for(int i=(s),_t=(t); i>=_t; --i) #define EOR(i,x) for(int i=Head[x]; ~i; i=Nxt[i]) typedef long double db; typedef long long ll; namespace Eddd { inline char sc() { return getchar(); static const int LEN=100000; static char Buf[LEN],*OP=Buf,*ED=Buf; if(OP==ED) ED=(OP=Buf)+fread(Buf,1,LEN,stdin); return *OP++; } template<class T> void rd(T &x) { static int c,f;x=f=0; while(c=sc(),c<48) if(c=='-') f=1; do x=(x<<3)+(x<<1)+(c^48); while(c=sc(),c>47);if(f) x=-x; } template<class T> void pt(T x) { if(x<0) putchar('-'),x=-x; else if(!x) putchar('0'); static int Stk[30],tp=0; for(; x; x/=10) Stk[tp++]=x%10; while(tp) putchar(Stk[--tp]^48); } template<class T> void ptk(const T &x) { pt(x);putchar(' '); } template<class T> void ptn(const T &x) { pt(x);putchar('\n'); } template<class T> bool chkmi(T &x,const T &y) { return x>y?x=y,true:false; } template<class T> bool chkmx(T &x,const T &y) { return x<y?x=y,true:false; } } using namespace Eddd; int main() { int a,b; rd(a);rd(b); ptn(a*2+100-b); return 0; }
#include <bits/stdc++.h> #define yy cout<<"YES"<<endl; #define nn cout<<"NO"<<endl; #define for0(i, n) for (int i = 0; i < (int)(n); ++i) #define for1(i, n) for (int i = 1; i <= (int)(n); ++i) #define forc(i, l, r) for (int i = (int)(l); i <= (int)(r); ++i) #define forr0(i, n) for (int i = (int)(n) - 1; i >= 0; --i) #define forr1(i, n) for (int i = (int)(n); i >= 1; --i) #define rep(i, a, n) for (int i = a; i < n; i++) #define mod 1000000007 #define cl cout <<endl #define fi first #define se second #define int long long #define w(x) int x; cin>>x; while(x--) #define endl ("\n") #define f(i, a, n) for(int i=a; i<n; i++) #define pb push_back #define mi(a,b,c) min(a,min(b,c)) #define cc(r) cout<<r<<" " #define ce(r) cout<<r<<endl #define cn continue #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin, (x).rend() #define tr(c,i) for(__typeof__((c)).begin() i = (c).begin(); i != (c).end(); i++) #define present(c,x) ((c).find(x) != (c).end()) #define cpresent(c,x) (find(all(c),x) != (c).end()) #define sz(a) int((a).size()) using namespace std; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> ii; typedef vector<ii> vii; typedef long long ll; typedef vector<ll> vll; typedef vector<vll> vvll; typedef double ld; int32_t main() { ios::sync_with_stdio(false); cin.tie(0); cout.precision(6); cout << fixed; // #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin ); // freopen("output.txt" , "w" , stdout) ; // #endif int t =1 ; //cin >> t ; while (t--) { double a , b ; cin >> a >> b ; cout << a*b/100<< endl ; } return 0; }
#include <bits/stdc++.h> #define f(i,j,k) for(long long i=j;i<k;i++) #define f2(i,j,k) for(long long i=j;i>=k;i--) #define ll long long using namespace std; const long long mod=1e9+7; void chmin(int& a, int b){ if(a > b) a = b; } void chmax(int& a, int b){ if(a < b) a = b; } int main(){ ll n; cin>>n; ll x,c; map<ll, vector<ll>> num; f(i,0,n){ cin>>x>>c; num[c].push_back(x); } vector<pair<ll,ll>> pairs; pairs.emplace_back(0,0); for(auto &[k, v]:num){ sort(v.begin(),v.end()); pairs.emplace_back(v[0],v.back()); } pairs.emplace_back(0,0); ll dp_size=pairs.size(); vector<vector<ll>> dp(dp_size,vector<ll>(2)); dp[0][0]=0,dp[0][1]=0; f(i,1,dp_size){ ll distance=pairs[i].second-pairs[i].first; ll now_left=pairs[i].first,now_right=pairs[i].second; ll pre_left=pairs[i-1].first,pre_right=pairs[i-1].second; ll left_sum=dp[i-1][0],right_sum=dp[i-1][1]; dp[i][0]=min(left_sum+abs(now_right-pre_left),right_sum+abs(now_right-pre_right))+distance; dp[i][1]=min(left_sum+abs(now_left-pre_left),right_sum+abs(now_left-pre_right))+distance; } cout<<min(dp[dp_size-1][0],dp[dp_size-1][1])<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,ans=0; set<pair<ll,ll>> e,o; pair<ll,ll> w,x,y,z; int main(){ cin>>n; 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]; for(int i=0;i<n;i++){ if(i%2==0)e.insert({a[i]-b[i],i}); else o.insert({a[i]-b[i],i}); } for(int i=0;i<n/2;i++){ w=*begin(e),x=*begin(o),y=*rbegin(e),z=*rbegin(o); if(-w.first-x.first>=y.first+z.first){ans+=b[w.second]+b[x.second];e.erase(w);o.erase(x);} else{ans+=a[y.second]+a[z.second];e.erase(y);o.erase(z);} } cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define R cin>> #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}void pr(){ln;} template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<(sizeof...(b)?" ":"");pr(b...);} template<class A>void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")<<a[i];ln;} const ll MAX=1e9+7,MAXL=1LL<<61,dx[8]={-1,0,1,0,-1,-1,1,1},dy[8]={0,1,0,-1,-1,1,1,-1}; typedef pair<ll,ll> P; void Main() { ll a,b; cin >> a >> b; REP(x,-333,333) { REP(y,-333,333) { if(x+y==a&&x-y==b) { pr(x,y); return; } } } } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}
#include <bits/stdc++.h> using namespace std; int main(){ int a, b; cin >> a >> b; auto x = (a + b) / 2; auto y = a - x; cout << x << " " << y << endl; }
//abc192 a #include <bits/stdc++.h> #include <string> using namespace std; int main() { int X; cin >> X; for(int i=1 ; i<=100 ; i++){ int current_coin = X + i; if(current_coin % 100 == 0){ cout << i << endl; } } }
#include <iostream> #include <vector> using namespace std; int main() { int n; cin>>n; if(n==1 ) { cout<<0; return 0; } if(n==2) { cout<<1; return 0; } int l=1; int r=n-1; int count=0; while(l+r==n && r>0 && l>0) { l++; r--; count++; } cout<<count; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; #include <iostream> #include <cassert> template<long long mod> class modint{ private: using T = long long; T a; public: constexpr modint(const long long x = 0) noexcept : a((x%mod+mod)%mod) {} constexpr T& value() noexcept { return a; } constexpr const T& value() const noexcept { return a; } constexpr modint operator-() const noexcept { return modint(0) -= *this; } constexpr modint operator+(const modint& rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint& rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint& rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint& rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint& operator+=(const modint& rhs) noexcept { a += rhs.a; if(a >= mod) a -= mod; return *this; } constexpr modint &operator-=(const modint& rhs) noexcept { if(a < rhs.a) a += mod; a -= rhs.a; return *this; } constexpr modint& operator*=(const modint& rhs) noexcept { a = a*rhs.a%mod; return *this; } constexpr modint& operator/=(const modint& rhs) noexcept { return *this *= rhs.inv(); } constexpr bool operator==(const modint& rhs) const noexcept { return a == rhs.a; } constexpr bool operator!=(const modint& rhs) const noexcept { return not (*this == rhs); } constexpr modint pow(long long k) const noexcept { modint ret(1); modint x = k > 0 ? *this : this->inv(); k = abs(k); while(k > 0){ if(k&1) ret *= x; x *= x; k >>= 1; } return ret; } constexpr modint inv() const noexcept { return pow(mod-2); } friend std::ostream& operator<<(std::ostream &os, const modint &X) noexcept { return os << X.a; } friend std::istream& operator>>(std::istream &is, modint &X) noexcept { is >> X.a; X.a %= mod; if(X.a < 0) X.a += mod; return is; } }; int main(){ using mint = modint<998244353>; int n; cin >> n; vector<long long> A(n); for(int i = 0; i < n; ++i) cin >> A[i]; sort(A.begin(),A.end()); mint t = 0; for(int i = n-1; i >= 0; --i){ t *= 2; t += A[i]; } mint ans = 0; for(auto a : A){ t -= a; t /= 2; ans += t*a + a*a; } cout << ans << endl; }
#define IOS ios::sync_with_stdio(false); #define rep(i, a, n) for(ll i=a;i<=n;i++) #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double lb; #define put(x) cout<< x << "\n" const int inf = 0x3f3f3f3f; const int mod = 1e9 + 7; const int N = 1e6 + 10; ll n, m, t, k, l, r, ans, cnt, sum, flag; double arr[N]; int main() { IOS; cin >> n; arr[n] = 0; for (int i = n - 1; i >= 0; i--) { arr[i] = arr[i + 1] + (1.0 * n / (n - i)); } printf("%.6f\n", arr[0]-1); 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 sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define cool ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define int long long int #define pb push_back #define fe first #define lb lower_bound #define ub upper_bound #define pii pair<pair<int,int>,pair<int,int> > #define se second #define endl "\n" #define pi pair<int, int> #define mi map<int,int> #define mii map<pi,int> #define vi vector<int> #define vvi vector<vi> #define bs binary_search #define rep(i,a,b) for(int i=a;i<b;i++) #define rep1(i,a,b) for(int i=a;i<=b;i++) #define all(c) (c).begin(),(c).end() #define sz(x) (int)x.size() #define PI 3.14159265358979323846 typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> o_set; const int N=3e5+10; const int INF=1e18; int mod= 1e9+7; int dx[4]={0,0,+1,-1}; int dy[4]={+1,-1,0,0}; int po(int a, int b) { int res = 1; while (b > 0) { if (b & 1) res = (res%mod * a%mod) % mod; a =(a%mod*a%mod) % mod; b >>= 1; } return res; } int n; void solve() { cin>>n; vi a(n,0); rep(i,0,n) cin>>a[i]; sort(all(a)); int sum=0; for(int i=n-1;i>=0;i--) { sum+=(i*a[i]-(n-i-1)*a[i]); } cout<<sum<<endl; } int32_t main() { cool; int t=1; //~ freopen("input.txt","r",stdin); //~ freopen("output.txt","w",stdout); //cin>>t; while(t--) solve(); return 0; }
//Water Heater #include<bits/stdc++.h> using namespace std; using ll = long long; #define int long long #define rep(i,x,y) for(ll i=x;i<y;i++) #define rrep(i,x,y) for(ll i=x-1;i>=y;i--) #define nvarep(n,a) ll n;cin>>n;vector<ll>a(n);rep(i,0,n)cin>>a[i] #define vecrep(n,a,type) vector<type>a(n);rep(i,0,n)cin>>a[i] #define lcm(a,b) (a/__gcd(a, b)*b) #define range(a) (a).begin(),(a).end() #define nnn "\n" #define spa " " using P = pair<ll,ll>; using graph = vector<vector<ll>>; const int inf = 2147483647;//2*10^9 const ll INF = 9223372036854775807;//9*10^18 signed main (){ int n,w;cin>>n>>w; vector<int>s(n),t(n),p(n); rep(i,0,n)cin>>s[i]>>t[i]>>p[i]; vector<int>c(200001,0); rep(i,0,n){ c[s[i]]+=p[i]; c[t[i]]-=p[i]; } int sum=0; rep(i,0,200001){ sum+=c[i]; if(sum>w){ cout<<"No"<<nnn; return 0; } } cout<<"Yes"<<nnn; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> a(pow(2, n)); for (int i = 0; i < pow(2, n); i++) { cin >> a.at(i); } vector<int> b; b = a; vector<int> copy; for (int i = 0; i < n - 1; i++) { for (int j = 0; j < a.size() / 2; j++) { if (a.at(j * 2) > a.at(j * 2 + 1)) { copy.push_back(a.at(j * 2)); } if (a.at(j * 2) < a.at(j * 2 + 1)) { copy.push_back(a.at(j * 2 + 1)); } } a = copy; copy = {}; } int ans = min(a.at(0), a.at(1)); for (int i = 0; i < pow(2, n); i++) { if (ans == b.at(i)) { cout << i + 1 << endl; break; } } return 0; }
#include<bits/stdc++.h> #define rep(i,n) for ( int i=0; i< (n); ++i ) using namespace std; using ll = long long; using P = pair<int,int>; int winner(int i0, int k, int n, vector<int> &a){ if(k==0) return i0; int w1 = winner(i0, k-1, n, a); int w2 = winner(i0+pow(2,k-1), k-1, n, a); //int w = a[w1]>a[w2]? w1 : w2; //cout << a[w1] << " " << a[w2] << " " << w << endl; if(k==n) return a[w1]>a[w2]? w2 : w1; return a[w1]>a[w2]? w1 : w2; } int main(){ int n; cin >> n; int size = pow(2,n); vector<int> a(size); rep(i,size) cin >> a[i]; cout << winner( 0, n, n, a)+1 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; // clang-format off using ll = int64_t; template <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& a : v) cin >> a; return is; } template <class T> istream& operator>>(istream& is, vector<pair<T, T>>& v) { for (auto& a : v) cin >> a.first >> a.second; return is; } template <class T> istream& operator>>(istream& is, vector<tuple<T, T, T>>& v) { for (auto& a : v) { T a1, a2, a3; cin >> a1 >> a2 >> a3; a = {a1, a2, a3}; } return is; } template <class T> ostream& operator<<(ostream& os, vector<T>& v) { for (auto& a : v) os << a << " "; os << endl; return os; } template <class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } #define all(v) begin(v), end(v) #define rep(i, n) for (int i = 0; i < (int)(n); i++) using veci = vector<int>; using vecll = vector<ll>; using Pi = pair<int, int>; using Pll = pair<ll, ll>; using Ti = tuple<int, int, int>; // clang-format on // cout << std::fixed << std::setprecision(15); bool isd7(int d) { while (d > 0) { if (d % 10 == 7) return false; d /= 10; } return true; } int isd8(int d) { while (d > 0) { if (d % 8 == 7) return false; d /= 8; } return true; } int main() { int N; cin >> N; int ans = 0; for (int i = 1; i <= N; i++) { if (isd7(i) && isd8(i)) ans++; } cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (int)(n); i++) #define rrep(ri,n) for(int ri = (int)(n-1); ri >= 0; ri--) #define rep2(i,x,n) for(int i = (int)(x); i < (int)(n); i++) #define rrep2(ri,x,n) for(int ri = (int)(n-1); ri >= (int)(x); ri--) #define repit(itr,x) for(auto itr = x.begin(); itr != x.end(); itr++) #define rrepit(ritr,x) for(auto ritr = x.rbegin(); ritr != x.rend(); ritr++) #define ALL(x) x.begin(), x.end() using ll = long long; using namespace std; bool f(int n){ string s = to_string(n); for(auto c : s){ if(c == '7') return false; } while(n != 0){ int now = n % 8; if(now == 7) return false; n /= 8; } return true; } int main(){ int n; cin >> n; n++; int ans = 0; rep2(i, 1, n){ if(f(i) == true) ans++; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define vi vector<int> #define vll vector<ll> #define pii pair<int,int> #define pll pair<ll,ll> #define vpi vector<pii> #define vpll vector<pll> #define endl '\n' #define fi first #define se second #define pb push_back #define eb emplace_back #define em emplace #define mp make_pair #define rep(i, n) for (ll i = 0; i < n; ++i) #define rep2(i, n, m) for (ll i = n; i <= m; ++i) #define rep3(i, n, m) for (ll i = n; i >= m; --i) #define all(v) v.begin(), v.end() #define si(v) int(v.size()) #define UNIQUE(v) sort(all(v)), v.erase(unique(all(v)),v.end()) #define INT(...) int __VA_ARGS__; IN(__VA_ARGS__); #define LL(...) ll __VA_ARGS__; IN(__VA_ARGS__); #define STR(...) string __VA_ARGS__; IN(__VA_ARGS__); #define CHR(...) char __VA_ARGS__; IN(__VA_ARGS__); #define LD(...) ld __VA_ARGS__; IN(__VA_ARGS__); /* const ll mod = 1e9 + 7; */ const ll mod = 998244353; const ll infll = (1LL << 62) - 1; const ll inf = (1LL << 30) - 1; template<class S, class T> inline bool chmax(S &a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class S, class T> inline bool chmin(S &a, T b) { if (a > b) { a = b; return 1; } return 0; } template<class T> using pq = priority_queue<T>; template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>; void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &... tail) { cin >> head; IN(tail...); } class mint { private: ll x; public: constexpr mint(const ll x = 0) noexcept : x((x % mod + mod) % mod) {} constexpr ll value() noexcept { return x; } constexpr mint operator += (const mint right) noexcept { if ((x += right.x) >= mod) x -= mod; return *this; } constexpr mint operator -= (const mint right) noexcept { if ((x += mod - right.x) >= mod) x -= mod; return *this; } constexpr mint operator *= (const mint right) noexcept { x = x * right.x % mod; return *this; } constexpr mint operator /= (const mint right) noexcept { return *this *= right.inv(); } constexpr mint operator + (const mint right) const noexcept { return mint(*this) += right; } constexpr mint operator - (const mint right) const noexcept { return mint(*this) -= right; } constexpr mint operator / (const mint right) const noexcept { return mint(*this) /= right; } constexpr mint operator * (const mint right) const noexcept { return mint(*this) *= right; } constexpr mint inv() const { return pow(mod-2); } constexpr mint pow(ll n) const { if (n == 0) return 1; mint a = pow(n>>1); a *= a; if (n & 1) a *= *this; return a; } }; signed main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(15); LL(a, b, c); mint aa = (a * (a + 1)) / 2; mint bb = (b * (b + 1)) / 2; mint cc = (c * (c + 1)) / 2; cout << (aa * bb * cc).value() << endl; }
#include <iostream> #include <cstdio> #include <cctype> using namespace std; template <typename T> inline T read() { T x = 0, f = 1; char c = getchar(); while (!isdigit(c)) { if (c == '-') f = - f; c = getchar(); } while (isdigit(c)) x = x * 10 + (c ^ 48), c = getchar(); return x * f; } #define lint long long int #define ulint unsigned lint #define readint read <int> () #define readlint read <lint> () const int inf = 1e9 + 1e7, Mod = 998244353, Inv = 499122177; const lint INF = 1e18 + 1e9; lint Ans = 1ll; lint Solve(lint x) { return (x + 1ll) * x % Mod * Inv % Mod; } int main(void) { for (int i = 1; i <= 3; i ++) (Ans *= Solve(readlint)) %= Mod; printf("%lld\n", Ans); return 0; }
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; #define f(i,n) for(int i=0;i<n;i++) #define fs(i,s,n) for(int i=s;i<n;i++) #define ff first #define ss second #define int long long #define pb push_back #define mp make_pair #define pii pair<int,int> #define vi vector<int> #define mii map<int,int> #define pqb priority_queue<int> #define pqs priority_queue<int,vi,greater<int> > #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define mod 1000000007 #define MOD 998244353; #define inf 1e18 #define ps(x,y) fixed<<setprecision(y)<<x #define mk(arr,n,type) type *arr=new type[n]; #define w(x) int x; cin>>x; while(x--) #define PI 3.1415926535897932384626 mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; int inv(int a) { int r = 1, t = a, k = MOD - 2; while (k) { if (k & 1) r = (long long) r * t % MOD; t = (long long) t * t % MOD; k >>= 1; } return r; } int mpow(int base, int exp) { base %= mod; int result = 1; while (exp > 0) { if (exp & 1) result = (result * base) % mod; base = (base * base) % mod; exp >>= 1; } return result; } void sm25official() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } int32_t main(){ sm25official(); string s; cin>>s; if(s[0]==s[1] && s[1]==s[2]) cout<<"Won"<<endl; else cout<<"Lost"<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; const int MOD = 1000000007; const ll INFL = (1ll << 60); //cout << setprecision(20) << int main() { ll n; cin >> n; ll pn = pow(2, n); vector<P> a(pn); for (int i = 0; i < pn; i++) { ll _a; cin >> _a; a[i] = P(i + 1, _a); } vector<P> next; vector<P> prev = a; while (prev.size() != 2) { for (int i = 0; i < prev.size(); i+=2) { P target = prev[i]; if (prev[i].second < prev[i + 1].second) target = prev[i + 1]; next.push_back(target); getchar(); } prev = next; next = vector<P>(); } if (prev[0].second < prev[1].second) { cout << prev[0].first << endl; } else { cout << prev[1].first << endl; } }