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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> P; typedef pair<ll, ll> Pll; #define rep(i,n) for(int (i) = 0; (i) < (int)(n); (i)++) #define debug(var) do{std::cout << #var << " : ";view(var);}while(0) template<typename T> void view(T e){std::cout << e << std::endl;} template<typename T> void view(const std::vector<T>& v){for(const auto& e : v){ std::cout << e << " "; } std::cout << std::endl;} template<typename T> void view(const std::vector<std::vector<T> >& vv){ for(const auto& v : vv){ view(v); } } 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; } void Yes(){cout << "Yes" << endl;} void No(){cout << "No" << endl;} void YES(){cout << "YES" << endl;} void NO(){cout << "NO" << endl;} void err() {cout << -1 << endl;} #define all(x) (x.begin(), x.end()) const int MOD = 1000000007; const int INF = 1e9; #define PI acos(-1); int dx[4] = {1,-1,0,0}; int dy[4] = {0,0,1,-1}; int ddx[8] = {1,1,1,-1,-1,-1,0,0}; int ddy[8] = {0,1,-1,0,1,-1,1,-1}; int main(){ int a, b; cin >> a >> b; if(a%b==0) cout << 0 << endl; else cout << 1 << endl; }
/// In The Name Of God #include <bits/stdc++.h> #define f first #define s second #define pb push_back #define pp pop_back #define mp make_pair #define sz(x) (int)x.size() #define sqr(x) ((x) * 1ll * (x)) #define all(x) x.begin(), x.end() #define rep(i, l, r) for (int i = (l); i <= (r); i++) #define per(i, l, r) for (int i = (l); i >= (r); i--) #define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0); #define nl '\n' #define ioi exit(0); typedef long long ll; typedef long double ld; typedef unsigned long long ull; const int N = (int)2000 + 7; const int inf = (int)1e9 + 7; const int mod = (int)998244353; const ll linf = (ll)1e18 + 7; const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1}; const int dy[] = {0, 1, 0, -1, 1, -1, 1, -1}; using namespace std; void add(int &x, int y) { x += y; if (x >= mod) x -= mod; } int sum(int x, int y) { add(x, y); return x; } int mult(int x, int y) { return x * 1ll * y % mod; } int bp(int x, int y) { if (x < 0) return 0; int res = 1; while (y) { if (y & 1) res = res * 1ll * x; x = x * 1ll * x % mod, y >>= 1; } return res; } int n, k; int dp[N][N][2]; int calc(int ost, int prs, int f) { if (ost < 0) return 0; if (!ost) return 1; if (~dp[ost][prs][f]) return dp[ost][prs][f]; int res = 0; if (prs) add(res, calc(ost, prs - 1, 1)); if (f) { if (prs) add(res, calc(ost - 1, prs, 0) * 2ll % mod); } else { add(res, calc(ost - 1, prs, 0)); } return dp[ost][prs][f] = res; } int dp1[N][N]; int calc1(int ost, int cnt) { if (ost < 0) return 0; if (!ost || cnt <= 0) return !ost; if (~dp1[ost][cnt]) return dp1[ost][cnt]; int res = calc1(ost, cnt - 1); if (cnt) add(res, calc1(ost - 1, cnt)); return dp1[ost][cnt] = res; } int total(int K) { int prs = 0; rep(i, 1, K) { prs += (K - i <= k && i < K - i); } int res = 0; rep(i, 0, n) { int cnt1 = sum(calc(i, prs, 1), calc(i - 1, prs, 1) * (K % 2 == 0 && K / 2 <= k)); /* cout << calc(i, prs, (K % 2 == 0 && K / 2 <= n), 1) << nl; cout << calc1(n - i, k - 2 * prs - (K % 2 == 0 && K / 2 <= n)) << nl; cout << nl; */ add(res, mult(cnt1, calc1(n - i, k - 2 * prs - (K % 2 == 0 && K / 2 <= k)))); } return res; } int main() { #ifdef wws freopen ("in.txt", "r", stdin); #endif cin >> k >> n; memset(dp, -1, sizeof(dp)); memset(dp1, -1, sizeof(dp1)); rep(i, 2, 2 * k) { cout << total(i) << nl; } ioi }
0
#include<bits/stdc++.h> using namespace std; int main(){ int64_t N; cin >> N; cout << (N / 1 * 1 * (N / 1 + 1) - N / 3 * 3 * (N / 3 + 1) - N / 5 * 5 * (N / 5 + 1) + N / 15 * 15 * (N / 15 + 1)) / 2 << endl; }
#include<bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); string s; cin >> s; int res = 0; if (s[0] == 'R'||s[1] == 'R'||s[2] == 'R') res = 1; if (s[0] == 'R' && s[1] == 'R') res = 2; if (s[1] == 'R' && s[2] == 'R') res = 2; if (s[0] == 'R' && s[1] == 'R' && s[2] == 'R') res = 3; cout << res << endl; return 0; }
0
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #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() #define YY cout << "Yes" << endl; #define NN cout << "No" << endl; #define ve vector const int INF = 1000000007; const long double EPS = 1e-15; const long double PI = acos(-1); typedef long long ll; using namespace std; using Graph = vector<vector<int>>; 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; } ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } ll lcm(ll a, ll b) { return (a * b) / gcd(a,b); } // *max_element(all(d)) class UnionFind{ private: vector<int>par; public: UnionFind(int n):par(n,-1){} int root(int x){ if(par[x] < 0)return x; return par[x] = root(par[x]); } bool unite(int x,int y){ x = root(x); y = root(y); if (x == y) return false; if (par[x] > par[y]) swap(x, y); par[x] += par[y]; par[y] = x; return true; } bool same(int x,int y){ return root(x) == root(y); } int size(int x) { return -par[root(x)]; } }; int solve(){ int n,k,l; cin >> n >> k >> l; UnionFind uf(n),uf2(n); rep(i,k){ int a,b; cin >> a >> b; a--; b--; uf.unite(a,b); } rep(i,l){ int a,b; cin >> a >> b; a--; b--; uf2.unite(a,b); } map<pair<int,int>,int>m; rep(i,n){ pair<int,int>P; P.first = uf.root(i); P.second = uf2.root(i); m[P]++; } rep(i,n){ pair<int,int>P; P.first = uf.root(i); P.second = uf2.root(i); cout << m[P] << " "; } cout << endl; return 0; } int main(){ // ios::sync_with_stdio(false);cin.tie(nullptr); cout << fixed;cout << setprecision(16); solve(); return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define pb push_back #define mp make_pair #define all(a) begin(a),end(a) #define FOR(x,val,to) for(int x=(val);x<int((to));++x) #define FORE(x,val,to) for(auto x=(val);x<=(to);++x) #define FORR(x,arr) for(auto &x: arr) #define FORS(x,plus,arr) for(auto x = begin(arr)+(plus); x != end(arr); ++x) #define FORREV(x,plus,arr) for(auto x = (arr).rbegin()+(plus); x !=(arr).rend(); ++x) #define REE(s_) {cout<<s_<<'\n';exit(0);} #define GET(arr) for(auto &i: (arr)) sc(i) #define whatis(x) cerr << #x << " is " << (x) << endl; #define e1 first #define e2 second #define INF 0x7f7f7f7f typedef std::pair<int,int> pi; typedef std::vector<int> vi; typedef std::vector<std::string> vs; typedef int64_t ll; typedef uint64_t ull; #define umap unordered_map #define uset unordered_set using namespace std; using namespace __gnu_pbds; #ifdef _WIN32 #define getchar_unlocked() _getchar_nolock() #define _CRT_DISABLE_PERFCRIT_LOCKS #endif template<class L, class R> ostream& operator<<(ostream &os, map<L, R> P) { for(auto const &vv: P)os<<"("<<vv.first<<","<<vv.second<<")"; return os; } template<class T> ostream& operator<<(ostream &os, set<T> V) { os<<"[";for(auto const &vv:V)os<<vv<<","; os<<"]"; return os; } template<class T> ostream& operator<<(ostream &os, vector<T> V) { os<<"[";for(auto const &vv:V)os<<vv<<","; os<<"]"; return os; } template<class L, class R> ostream& operator<<(ostream &os, pair<L, R> P) { os<<"("<<P.first<<","<<P.second<<")"; return os; } inline int fstoi(const string &str){auto it=str.begin();bool neg=0;int num=0;if(*it=='-')neg=1;else num=*it-'0';++it;while(it<str.end()) num=num*10+(*it++-'0');if(neg)num*=-1;return num;} inline void getch(char &x){while(x = getchar_unlocked(), x < 33){;}} inline void getstr(string &str){str.clear(); char cur;while(cur=getchar_unlocked(),cur<33){;}while(cur>32){str+=cur;cur=getchar_unlocked();}} template<typename T> inline bool sc(T &num){ bool neg=0; int c; num=0; while(c=getchar_unlocked(),c<33){if(c == EOF) return false;} if(c=='-'){ neg=1; c=getchar_unlocked(); } for(;c>47;c=getchar_unlocked()) num=num*10+c-48; if(neg) num*=-1; return true;}template<typename T, typename ...Args> inline void sc(T &num, Args &...args){ bool neg=0; int c; num=0; while(c=getchar_unlocked(),c<33){;} if(c=='-'){ neg=1; c=getchar_unlocked(); } for(;c>47;c=getchar_unlocked()) num=num*10+c-48; if(neg) num*=-1; sc(args...); } template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; //s.find_by_order(), s.order_of_key() <- works like lower_bound template<typename T> using ordered_map = tree<T, int, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define N 1000001 vi adj[2][N]; int vis[N]; int vit; int wh[2][N]; void d1(int v){ vis[v] = vit; wh[0][v] = vit; FORR(i,adj[0][v]){ if(vis[i] != vit) d1(i); } } void d2(int v){ vis[v] = vit; wh[1][v] = vit; FORR(i,adj[1][v]){ if(vis[i] != vit) d2(i); } } int main(){ ios_base::sync_with_stdio(0);cin.tie(0); int n,k,l; sc(n,k,l); int f,s; while(k--){ sc(f,s); --f,--s; adj[0][f].pb(s); adj[0][s].pb(f); } while(l--){ sc(f,s); --f,--s; adj[1][f].pb(s); adj[1][s].pb(f); } FOR(i,0,n){ if(!vis[i]){ ++vit; d1(i); } } memset(vis,0,n<<2); FOR(i,0,n){ if(!vis[i]){ ++vit; d2(i); } } map<pi,int> st; FOR(i,0,n){ ++st[mp(wh[0][i],wh[1][i])]; } FOR(i,0,n){ cout << st[mp(wh[0][i],wh[1][i])] << ' '; } }
1
#include <iostream> #include <string> #include <vector> #include <queue> #include <stack> #include <map> #include <algorithm> #include <sstream> #include <cmath> #include <set> #include <iomanip> #include <deque> #include <stdio.h> using namespace std; #define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++) #define RREP(i,n) for(int (i)=(int)(n)-1;i>=0;i--) #define REMOVE(Itr,n) (Itr).erase(remove((Itr).begin(),(Itr).end(),n),(Itr).end()) #define PB_VEC(Itr1,Itr2) (Itr1).insert((Itr1).end(),(Itr2).begin(),(Itr2).end()) #define UNIQUE(Itr) sort((Itr).begin(),(Itr).end()); (Itr).erase(unique((Itr).begin(),(Itr).end()),(Itr).end()) #define LBOUND(Itr,val) lower_bound((Itr).begin(),(Itr).end(),(val)) #define UBOUND(Itr,val) upper_bound((Itr).begin(),(Itr).end(),(val)) typedef long long ll; int main(){ int t; cin>>t; REP(kai,t){ int out=0; int point=0; bool rui[3]={false,false,false}; while(true){ string s; cin>>s; if(s=="OUT"){ out++; if(out==3)goto nextf; }else if(s=="HOMERUN"){ point++; REP(j,3)if(rui[j])point++; REP(j,3)rui[j]=false; }else{ if(rui[2])point++; rui[2]=rui[1]; rui[1]=rui[0]; rui[0]=true; } } nextf:; cout<<point<<endl; } return 0; }
#include <cstdio> #include <algorithm> #include <functional> #include <stack> #include <cmath> using namespace std; #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 llong long long int main() { while(1){ int n; scanf("%d",&n); if(n == 0) break; int a[n]; REP(i,n) scanf("%d",a+i); int maxseq = a[0]; int sum = 0; REP(i,n) { sum = max(sum+a[i], a[i]); if(maxseq < sum) maxseq = sum; } if(maxseq < sum) maxseq = sum; printf("%d\n",maxseq); } return 0; }
0
#include <bits/stdc++.h> #define LL long long #define FOR(i,a,b) for(int i=a; i<=b; i++) #define FOD(i,a,b) for(int i=a; i>=b; i--) #define pa pair<int,int> #define fi first #define se second #define MOD xxx #define getbit(n,i) ((n>>(i-1))&1) #define offbit(n,i) ((n^(1<<(i-1)) #define onbit(n,i) (n|(1<<(i-1))) #define cntone(x) (__builtin_popcount(x)) using namespace std; const int N = 80+5; const int P = 12800; int m,n; int A[N][N],B[N][N]; int F[N][N][N*N*4]; int tmp,ans(0); int main() { cin >> m >> n; FOR(i,1,m) FOR(j,1,n) cin >> A[i][j]; FOR(i,1,m) FOR(j,1,n) cin >> B[i][j]; tmp = A[1][1] - B[1][1]; F[1][1][tmp +P] = F[1][1][-tmp +P] = 1; FOR(i,1,m) FOR(j,1,n) if(i+j!=2) { tmp = A[i][j] - B[i][j]; FOR(k,0,2*P) if(F[i-1][j][k] || F[i][j-1][k]) { F[i][j][k+tmp] = F[i][j][k-tmp] = 1; } } FOR(i,0,P) { if(F[m][n][i+P]==1) { ans = i; break; } if(F[m][n][i]) ans = i-P; } cout << abs(ans); return 0; }
#include <bits/stdc++.h> using namespace std; long long n, x, cur = 0; vector<vector<long long>> tests; long long check(long long k){ long long best, complete = k / x, other = k % x, cursum = 0; if(complete >= n) return cur + 1; for(int i = 0; i < complete; ++i) cursum += tests[i][0]; best = cursum; for(int i = 0; i < n; ++i){ if(i < complete){ best = max(best, tests[complete][0] + (cursum - tests[i][0]) + tests[i][3] * other - tests[i][1] * (tests[i][3] - tests[i][2])); best = max(best, tests[complete][0] + (cursum - tests[i][0]) + tests[i][2] * other); } else { best = max(best, cursum + tests[i][3] * other - tests[i][1] * (tests[i][3] - tests[i][2])); best = max(best, cursum + tests[i][2] * other); } } return best; } int main(){ cin.sync_with_stdio(0); cin.tie(0); cout.tie(0); long long b, l ,u; cin >> n >> x; for(int i = 0; i < n; ++i){ cin >> b >> l >> u; cur += b * l; tests.push_back({(x - b) * u + b * l, b, l, u}); } sort(tests.begin(), tests.end(), greater<vector<long long>>()); long long mid, lef = -1, rig = n * x; for(;lef < rig - 1;){ mid = lef + rig >> 1; if(check(mid) >= cur) rig = mid; else lef = mid; } cout << rig << "\n"; return 0; }
0
#include <iostream> #include <vector> using i64 = long long; template <class T = long long int> class Bit { private: unsigned len; T init; std::vector<T> arr; public: Bit(unsigned length, T initialValue = 0): len(length), init(initialValue), arr(len + 1, init) {} void update(unsigned a, T newval) { for (unsigned x = a; x <= len; x += x & -x) arr[x] += newval; } T query(unsigned a) const { T ret = init; for (unsigned x = a; x > 0; x -= x & -x) ret += arr[x]; return ret; } }; int main() { int n, q; std::cin >> n >> q; Bit<> b(n + 1); for (int i = 0; i < n; i++) { i64 a; std::cin >> a; b.update(i + 1, a); } while (q--) { int t, x, y; std::cin >> t >> x >> y; if (t) std::cout << b.query(y) - b.query(x) << '\n'; else b.update(x + 1, y); } return 0; }
#include<bits/stdc++.h> #define maxn 100005 #define endl '\n' using namespace std; int arr[maxn],brr[maxn],pre[maxn]; struct sqrtd { int next,cnt; }table[maxn]; int main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; for(int i=1;i<=n;i++) cin >> arr[i]; for(int i=1;i<n;i++) brr[i] = arr[i+1] - arr[i] , pre[i] = brr[i] + pre[i-1]; n--; int L; cin >> L; int box = sqrt(n); for(int i=1;i<=n;i++) { int tem_cnt = 0 , bound = min((i/box+1)*box,n); int j , sum = 0; for(j=i;j<=bound;) { sum = 0; do { sum += brr[j++]; } while(j <= bound && sum + brr[j] <= L); tem_cnt++; } if(j > bound && j <= n && sum + brr[j] <= L) { int l = j , r = n , m; while(true) { if(r-l<3) { for(m=l;m<=r && pre[m]-pre[j-1]+sum <= L;m++); break; } m = (l+r)>>1; if(pre[m]-pre[j-1]+sum <= L) l = m; else r = m-1; } j = m; } table[i] = {j,tem_cnt}; } int q; cin >> q; while(q--) { int l,r; cin >> l >> r; if(l > r) swap(l,r); r--; int ans = 0; while(l <= r && l/box != r/box) { ans += table[l].cnt; l = table[l].next; } if(l <= r && l/box == r/box) { while(l <= r) { int sum = 0; do { sum += brr[l++]; } while(l <= r && sum + brr[l] <= L); ans++; } } cout << ans << endl; } return 0; }
0
#include <iostream> #include <string> using namespace std; string revstr( string str ) { string ret; for(int i = str.length() - 1; i >= 0; i--) ret += str[i]; return ret; } int main(void){ string str; cin >> str; cout << revstr( str ) << endl; 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 ld eps = 1e-10; int toInt(char c) { return c-'0'; } int main() { cin.tie(0); ios::sync_with_stdio(false); string s; cin >> s; reverse(all(s)); int n = s.size(); vector<vector<ll>> dp(n+1, vector<ll>(2, longinf)); dp[0][0] = 0; rep(i, n) { if(toInt(s[i]) == 9) { dp[i+1][0] = min({dp[i][0]+toInt(s[i])}); dp[i+1][1] = min({dp[i][0]+10-toInt(s[i]), dp[i][1]+10-(toInt(s[i])+1), dp[i][1]+1}); } else { dp[i+1][0] = min({dp[i][0]+toInt(s[i]), dp[i][1]+toInt(s[i])+1}); dp[i+1][1] = min({dp[i][0]+10-toInt(s[i]), dp[i][1]+10-(toInt(s[i])+1)}); } } cout << min(dp[n][0], dp[n][1]+1) << "\n"; return 0; }
0
/* ID: computerbox --> Huseyn Hajiyev LANG: C++ TASK: target_mode_on */ #include <bits/stdc++.h> #include <ext/pb_ds/detail/standard_policies.hpp> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <functional> #define ordered_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> //#pragma comment(linker, "/stack:200000000") //#pragma GCC optimize("Ofast") //#pragma GCC optimize ("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") //#define _CRT_SECURE_NO_WARNINGS //#include <boost/multiprecision/cpp_int.hpp> //using boost::multiprecision::cpp_int; #define FAST_READ ios_base::sync_with_stdio(0); #define in freopen("input.txt", "r", stdin); #define out freopen("output.txt", "w", stdout); #define ll long long #define debt(x,y)cout<<"#x = "<<(x)<<" and "<<"#y = "<<(y)<<endl; #define deb(x)cout<<"#x = "<<(x)<<endl; #define COUT(n, a) cout<< fixed << setprecision(a) << n<<endl #define pb push_back #define mp make_pair #define all(x) (x).begin(), (x).end() #define endl '\n' #define flsh '\n'<<flush #define arr(a,n) for(ll i=1;i<=n;i++) cout<<a[i]<<" "; cout << "\n"; #define vecc(a,n) for(ll i=0;i<n;i++) cout<<a[i]<<" "; cout << "\n"; #define CURTIME() cerr << clock() * 1.0 / CLOCKS_PER_SEC << endl #define DTIME(ccc) __begin = clock(); ccc; cerr<<"Time of work = "<<(clock()-__begin)/CLOCKS_PER_SEC<<endl; #define MAX3 2010 #define MAX4 20010 #define MAX5 200010 #define MAX6 2000010 //cin.ignore (7777, '\n'); using namespace std; using namespace __gnu_pbds; const ll MOD1=1000000007LL; const ll MOD2=998244353LL; #define debug(args...)(Debugger()) , args class Debugger { public: Debugger(const std::string& _separator=", ") : first(true),separator(_separator){} template<typename ObjectType> Debugger& operator,(const ObjectType& v) { if(!first)cerr<<separator; cerr<<v; first=false; return *this; } ~Debugger() {cerr<<endl;} private: bool first; string separator; }; template <typename T1, typename T2> inline ostream& operator<<(std::ostream& os, const std::pair<T1, T2>& p) { return os<<"("<<p.first<<", "<<p.second<<")"; } template<typename T> inline ostream &operator<<(ostream & os,const vector<T>& v) { bool first=true; os<<"["; for(unsigned ll i=0;i<v.size();i++) { if(!first)os<<", "; os<<v[i]; first=false; } return os<<"]"; } template<typename T> inline ostream &operator<<(ostream & os,const set<T>&v) { bool first=true; os<<"["; for(typename set<T>::const_iterator ii=v.begin();ii!=v.end();++ii) { if(!first)os<<", "; os<<*ii; first=false; } return os<<"]"; } template<typename T1, typename T2> inline ostream &operator<<(ostream & os,const map<T1, T2>&v) { bool first=true; os<<"["; for(typename map<T1,T2>::const_iterator ii=v.begin(); ii!=v.end();++ii) { if(!first)os<<", "; os<<*ii; first=false; } return os<<"]"; } string stroka; ll dp[200010]; ll cnt[60]; int main(){ FAST_READ; cin>>stroka; ll n=(ll)stroka.size(); cnt[stroka[0]-'a']++; for(ll i=1;i<(ll)stroka.size();i++) { dp[i]=dp[i-1]; cnt[stroka[i]-'a']++; for(char j='a';j<='z';j++)if(stroka[i]!=j)dp[i]+=cnt[j-'a']; } cout<<dp[n-1]+1<<endl; return 0; }
//0039 //include------------------------------------- #include<iostream> #include<string> #include<algorithm> #include<vector> #include<cmath> #include<map> #include<stack> using namespace std; //typedef-------------------------------------- typedef vector<int> VI; typedef vector<string> VS; typedef pair<int, int> PII; typedef long long LL; #define MP make_pair //repetition----------------------------------- #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,n) FOR(i,0,n) //constant------------------------------------- const double PI = acos(-1.0); //cout,cin------------------------------------- #define COUT(x) cout<<(x)<<endl #define CIN(x) cin>>(x) int f(char c){ if (c == 'I') return 1; else if (c == 'V') return 5; else if (c == 'X') return 10; else if (c == 'L') return 50; else if (c == 'C') return 100; else if (c == 'D') return 500; else if (c == 'M') return 1000; } int main(){ int ans = 0; string st; while (CIN(st)){ int now = f(st[0]); if (st.size() == 1) ans = now; ans = now; REP(i, st.size() - 1){ now >= f(st[i + 1]) ? ans += f(st[i + 1]) : ans += f(st[i + 1]) - now - now; now = f(st[i + 1]); } COUT(ans); } return 0; }
0
#include <algorithm> #include <bitset> #include <cassert> #include <cctype> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <tuple> #include <utility> #include <vector> #define ll long long #define itn int #define endl '\n' #define co(ans) cout<<ans<<endl #define COYE cout<<"YES"<<endl #define COYe cout<<"Yes"<<endl #define COye cout<<"yes"<<endl #define CONO cout<<"NO"<<endl #define CONo cout<<"No"<<endl #define COno cout<<"no"<<endl #define FORE(i,a) for(auto &i:a) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define FFOR(i,a,b) for(int i=(a);i<=(b);++i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) FFOR(i,1,n) #define PB push_back #define MP make_pair #define ALL(V) (V).begin(),(V).end() #define SORT(V) sort((V).begin(),(V).end()) #define REVERSE(V) reverse((V).begin(),(V).end()) #define EACH(V,i) for(typeof((V).begin()) i=(V).begin();i!=(V).end();++i) #define equals(a,b) (fabs((a)-(b))<EPS) #define INF ((1LL<<62)-(1LL<<31)) #define EPS 1e-10 #define PI 3.141592653589793238 #define MOD 1000000007 #define MAX 5100000 using namespace std; using Graph=vector<vector<int>>; inline int toInt(string s){int v;istringstream sin(s);sin>>v;return v;} template<class T>inline string toString(T x){ostringstream sout;sout<<x;return sout.str();} 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 vector<int> VI; typedef vector<VI> VVI; typedef vector<string> VS; typedef pair<int, int> PII; typedef long long LL; const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0}; ll gcd(ll a,ll b){return b?gcd(b,a%b):a;} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} int main(){ ll N,ans=0; cin>>N; ll A[N],B[N]; // A[i] S[i]の最小値 // B[i] S[i]の値 REP(i,N){ A[i]=0; B[i]=0; } string S[N]; REP(i,N) cin>>S[i]; REP(i,N){ ll cnt=0; REP(j,S[i].size()){ if(S[i].at(j)=='(') cnt++; else cnt--; chmin(A[i],cnt); } B[i]=cnt; } vector<pair<int,int>> L,LL,LLL; bool CAN=true; REP(i,N){ if(B[i]>0){ if(A[i]>=0ll) L.PB(MP(A[i],B[i])); else LL.PB(MP(A[i],B[i])); } else LLL.PB(MP(B[i]-A[i],A[i])); } SORT(L); REVERSE(L); SORT(LL); REVERSE(LL); SORT(LLL); REVERSE(LLL); REP(i,L.size()){ if(ans+L[i].first<0) CAN=false; ans+=L[i].second; } REP(i,LL.size()){ if(ans+LL[i].first<0) CAN=false; ans+=LL[i].second; } REP(i,LLL.size()){ if(ans+LLL[i].second<0) CAN=false; ans+=LLL[i].first+LLL[i].second; } if(ans!=0) CAN=false; if(CAN) cout<<"Yes"<<endl; else cout<<"No"<<endl; return 0; }
#include "bits/stdc++.h" #define rep(i,n) for(int i = 0; i < (n); ++i) using namespace std; typedef long long int ll; typedef pair<int, int> P; 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; } bool check(vector<P> s){ int h = 0; for(P p : s){ int b = h + p.first; if(b < 0) return false; h += p.second; } return true; } int main(){ cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<P> ls, rs; int total = 0; rep(i,n){ string s; cin >> s; int h = 0, b = 0; for(char c : s){ if(c == '(') ++h; else --h; chmin(b, h); } if(h > 0) ls.emplace_back(b, h); else rs.emplace_back(b-h, -h); total += h; } sort(ls.rbegin(), ls.rend()); sort(rs.rbegin(), rs.rend()); if(check(ls) && check(rs) && total == 0) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
1
#include <iostream> #include <cstdio> using namespace std; #define rep2(x,from,to) for(int x=(from);(x)<(to);(x)++) #define rep(x,to) rep2(x,0,to) int main() { int n; while(1) { if(scanf("%d", &n) == EOF) break; int total = 0; rep2(i,1,(600/n)) { total += n * n * i * n * i; } cout << total << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { map<string, int> day; day["SUN"] = 7; day["MON"] = 6; day["TUE"] = 5; day["WED"] = 4; day["THU"] = 3; day["FRI"] = 2; day["SAT"] = 1; string s; cin >> s; cout << day[s] << endl; return 0; }
0
#include<iostream> #define INF 100000000000000 #define MAXN 1000+10 using namespace std; long long dist[MAXN][MAXN]; int main(){ int i,j,k,n,m,a,b; cin>>n>>m; for (i = 0;i < n;++i){ for (j = 0;j < n;++j){ if (i != j) { dist[i][j]=INF; } } } for (i = 0;i < m;++i){ cin>>a>>b; cin>>dist[a][b]; } for (k = 0;k < n;++k){ for (i = 0;i < n;++i){ for (j = 0;j < n;++j){ if (dist[i][k] != INF && dist[k][j] != INF)dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]); } } } for (i = 0;i < n;++i){ if (dist[i][i] < 0) { cout<<"NEGATIVE CYCLE"<<endl; return 0; } } for (i = 0;i < n;++i){ for (j = 0;j < n;++j){ if (j) cout<<" "; if (dist[i][j] == INF) cout<<"INF"; else cout<<dist[i][j]; } cout<<endl; } return 0; }
#include <cstdio> #include <vector> #include <algorithm> #include <queue> #include <utility> using namespace std; template <class T> using gp_queue=priority_queue<T, deque<T>, less<T>>; using Weight=long long; static const Weight INF=1LL<<57; struct Edge { size_t src, dst; Weight weight; Edge() {} Edge(size_t src, size_t dst, Weight weight=1): src(src), dst(dst), weight(weight) {} }; bool operator<(const Edge &e, const Edge &f) { if (e.weight != f.weight) { return e.weight > f.weight; } else { return e.src!=f.src? e.src<f.src : e.dst<f.dst; } } using Edges=vector<Edge>; using Vertex=vector<Edge>; using Graph=vector<Vertex>; void join(Graph &g, size_t s, size_t d, Weight w=1) { // non-directed g[s].push_back(Edge(s, d, w)); g[d].push_back(Edge(d, s, w)); } void connect(Graph &g, size_t s, size_t d, Weight w=1) { // directed g[s].push_back(Edge(s, d, w)); } vector<vector<Weight>> shortest_distance(Graph g) { /* Johnson */ size_t V=g.size(); vector<Weight> h(V); for (size_t k=0; k<V; ++k) for (size_t i=0; i<V; ++i) for (const Edge &e: g[i]) if (h[e.dst] > h[e.src] + e.weight) { h[e.dst] = h[e.src] + e.weight; if (k == V-1) return vector<vector<Weight>>(); } for (size_t i=0; i<V; ++i) for (Edge &e: g[i]) e.weight += h[e.src] - h[e.dst]; vector<vector<Weight>> d(V, vector<Weight>(V, INF<<1)); vector<vector<size_t>> prev(V, vector<size_t>(V, -1)); for (size_t s=0; s<V; ++s) { gp_queue<Edge> q; q.push(Edge(s, s, 0)); d[s][s] = 0; while (!q.empty()) { Edge e=q.top(); q.pop(); if (~prev[s][e.dst]) continue; prev[s][e.dst] = e.src; for (const Edge &f: g[e.dst]) { if (d[s][f.dst] > e.weight + f.weight) { d[s][f.dst] = e.weight + f.weight; q.push(Edge(f.src, f.dst, e.weight+f.weight)); } } } for (size_t u=0; u<V; ++u) d[s][u] += h[u] - h[s]; } return d; } int main() { size_t V, E; scanf("%zu %zu", &V, &E); Graph g(V); for (size_t i=0; i<E; ++i) { size_t s, t; Weight d; scanf("%zu %zu %lld", &s, &t, &d); connect(g, s, t, d); } vector<vector<Weight>> d=shortest_distance(g); if (d.empty()) return !printf("NEGATIVE CYCLE\n"); for (vector<Weight> w: d) for (size_t i=0; i<V; ++i) if (w[i] < INF) { printf("%lld%c", w[i], i<V-1? ' ':'\n'); } else { printf("INF%c", i<V-1? ' ':'\n'); } return 0; }
1
#include <bits/stdc++.h> using namespace std; #define _GLIBCXX_DEBUG #define rep(i, from, to) for (int i = from; i < (to); ++i) #define mp(x,y) make_pair(x,y) #define all(x) (x).begin(),(x).end() #define pb push_back using ll = long long; using vin=vector<int>; using vll=vector<ll>; using vst=vector<string>; using P = pair<int, int>; const int inf=1e9+7; const ll INF=1e18; template <typename T> void chmin(T &a, T b) { a = min(a, b); } template <typename T> void chmax(T &a, T b) { a = max(a, b); } template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } const int dx[4] = { 1, 0, -1, 0 }; const int dy[4] = { 0, 1, 0, -1 }; const long double pi=acos(-1); int main(){cout<<fixed<<setprecision(10); string s; cin>>s; ll n=s.size(); //abjka 両端が同じなら数えない ll ans=1; map<char,ll> cnt; rep(i,0,n)cnt[s[i]]++; ans+=n*(n-1)/2; ll c; for(auto v:cnt){ c=v.second; ans-=c*(c-1)/2; } cout<<ans<<endl; }
#include <bits/stdc++.h> #define REP(i, e) for(int (i) = 0; (i) < (e); ++(i)) #define FOR(i, b, e) for(int (i) = (b); (i) < (e); ++(i)) #define ALL(c) (c).begin(), (c).end() #define PRINT(x) cout << (x) << "\n" using namespace std; using ll = long long; using pint = pair<int, int>; using pll = pair<ll, ll>; const long long MOD = 1000000007; ll N; bool prime[55556]; vector<ll> v; signed main(){ cin >> N; for(ll i = 2; i <= 55555; i++) prime[i] = true; for(ll i = 2; i <= 55555; i++){ if(prime[i] == false) continue; if(i % 5 == 1) v.push_back(i); for(ll j = 2; i * j <= 55555; j++) prime[i * j] = false; } REP(i, N){ cout << v[i]; if(i == N - 1) cout << endl; else cout << " "; } return 0; }
0
#include <bits/stdc++.h> using namespace std; #define int long long typedef pair<int,int> P; int INF = 1e9+7; int mod = 1234567; int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; int cnt[200005]; signed main() { int N; cin >> N; vector<int>a(N); for(int i = 0; i < N; i++) { cin >> a[i]; } vector<int>ans; for(int i = N; i >= 1; i--) { if(cnt[i]%2 == a[i-1]) { continue; } ans.push_back(i); for(int j = 1; j*j <= i; j++) { if(i%j == 0) { if(j*j == i) { cnt[j]++; } else { cnt[j]++; cnt[i/j]++; } } } } cout << ans.size() << endl; for(int i = 0; i < ans.size(); i++) { if(i) { cout << " "; } cout << ans[i]; } }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define rep(i,n) for (int i = 0; i < (n); i++) const ll mod = 1000000007; int main() { int n; cin >> n; int a[n+1]; rep(i,n) cin >> a[i+1]; int ans[n+1]; rep(i,n) ans[i+1] = 0; //rep(i,n) cout << a[i] << endl; for(int i = n; i >= 1; --i) { //printf("OK\n"); for(int j = i; j <= n; j += i) { ans[i] = (ans[i]+ans[j])%2; } ans[i] = (ans[i]+a[i])%2; //printf("OK2\n"); } //rep(i,n) cout << ans[i+1] << endl; int cnt = 0; rep(i,n) { if(ans[i+1]) cnt++; } if (cnt) { cout << cnt << endl; rep(i,n) { if (ans[i+1]) { printf("%d\n", i+1); } } } else cout << 0 << endl; return 0; }
1
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <cmath> #include <cstdio> #include <functional> #include <numeric> #include <stack> #include <queue> #include <map> #include <set> #include <utility> #include <sstream> #include <complex> using namespace std; #define FOR(i,a,b) for(long long i=(a);i<(b);i++) #define REP(i,N) for(long long i=0;i<(N);i++) #define ALL(s) (s).begin(),(s).end() #define fi first #define se second #define PI acos(-1.0) #define INF 1000000007 #define EPS 1e-10 #define MAX_N 20000 #define MAX_M 16 typedef long long ll; typedef pair<ll, ll> P; typedef pair<double, double> PD; typedef pair<string, ll> PS; typedef vector<ll> V; typedef pair<P, char> PC; int e, m; int main(){ while (cin >> e&&e){ int m = 1000001; for (int i = 0; i <= 100; i++){ for (int j = 0; j <= 1000; j++){ int x = e - i*i*i - j*j; if (x >= 0){ m = min(m, x + i + j); } } } cout << m << endl; } }
#pragma GCC optimize ("Ofast") #include<bits/stdc++.h> using namespace std; template<class S, class T> inline S max_L(S a,T b){ return a>=b?a:b; } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(long long x){ int s=0; int m=0; char f[20]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } template<class S, class T> inline S chmax(S &a, T b){ if(a<b){ a=b; } return a; } int N; int A[200000]; int main(){ int i; long long res = 0; long long mx = -1; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(A[Lj4PdHRW]); } } for(i=(0);i<(N);i++){ res +=max_L(mx - A[i], 0); chmax(mx, A[i]); } wt_L(res); wt_L('\n'); return 0; } // cLay varsion 20200911-1 // --- original code --- // int N, A[2d5]; // { // ll res = 0, mx = -1; // rd(N,A(N)); // rep(i,N){ // res += max(mx - A[i], 0); // mx >?= A[i]; // } // wt(res); // }
0
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; string ans = s.substr(0, s.size()-8); cout << ans << endl; return 0; }
/* このコード、と~おれ! Be accepted! ∧_∧  (。・ω・。)つ━☆・*。 ⊂   ノ    ・゜+.  しーJ   °。+ *´¨)          .· ´¸.·*´¨) ¸.·*¨)           (¸.·´ (¸.·'* ☆ */ #include <stdio.h> #include <algorithm> #include <string> #include <cmath> #include <cstring> #include <vector> #include <numeric> #include <iostream> #include <random> #include <map> #include <unordered_map> #include <queue> #pragma GCC optimize("Ofast") #define rep(i, n) for(int i = 0; i < (n); ++i) #define rep1(i, n) for(int i = 1; i <= (n); ++i) #define rep2(i, n) for(int i = 2; i < (n); ++i) #define repr(i, n) for(int i = n; i >= 0; --i) #define reprm(i, n) for(int i = n - 1; i >= 0; --i) #define printynl(a) printf(a ? "yes\n" : "no\n") #define printyn(a) printf(a ? "Yes\n" : "No\n") #define printYN(a) printf(a ? "YES\n" : "NO\n") #define printin(a) printf(a ? "possible\n" : "inposible\n") #define printdb(a) printf("%.50lf\n", a)//少数出力 #define printdbd(a) printf("%.16lf\n", a)//少数出力(桁少なめ) #define prints(s) printf("%s\n", s.c_str())//string出力 #define all(x) (x).begin(), (x).end() #define allsum(a, b, c) ((a + b) * c / 2)//等差数列の和、初項,末項,項数 #define pb push_back #define priq priority_queue #define rpriq priq<int, vector<int>, greater<int>> #define deg_to_rad(deg) (((deg)/360.0)*2.0*PI) #define rad_to_deg(rad) (((rad)/2.0/PI)*360.0) #define Please return #define AC 0 #define ushi int #define tapu main #define nichia ( #define kunn void #define wara ) using ll = long long; const int INF = 1073741823; const int MINF = -1073741823; const ll LINF = ll(4661686018427387903); const ll MOD = 1000000007; const double PI = acos(-1); using namespace std; void scans(string& str) { char c; scanf("%c", &c); if (c == '\n')scanf("%c", &c);//最初の改行対策 while (c != '\n' && c != -1) { str += c; scanf("%c", &c); } } void scanc(char& str) { char c; scanf("%c", &c); if (c == -1)return; while (c == '\n') { scanf("%c", &c); } str = c; } double acot(double x) { return PI / 2 - atan(x); } /*-----------------------------------------ここからコード-----------------------------------------*/ int main(){ string s; scans(s); prints(s.substr(0, s.length() - 8)); Please AC; }
1
#include<bits/stdc++.h> using namespace std; using ll = long long; int main(void){ int n; cin >> n; int h; ll ans = 0; cin >> h; for(int i=0;i<n-1;i++){ int nh; cin >> nh; if(nh>=h) h = nh; else ans += (h-nh); } cout << ans << endl; return 0; }
//#pragma GCC optimize("Ofast") //#pragma GCC target("avx,avx2,fma") #pragma GCC optimize("O3") #include<iostream> #include<algorithm> #include<string> #include<cmath> #include<cstdlib> #include<set> #include<vector> #include<sstream> #include<queue> #include <iomanip> #include<unordered_set> #include <stack> #include <unordered_map> #include <map> #include<numeric> #include<chrono> #include <fstream> constexpr auto INF = 9223372036854775807; typedef long long int ll; typedef unsigned long long int ull; typedef unsigned long int ul; #define f(i,a,b) for(ll i=(ll)a;i<(ll)b;i+=1) #define rf(i,a,b) for(ll i=(ll)a;i>=(ll)b;i-=1) #define endl '\n' #define N 1000000007 // prime modulo value #define M 998244353 #define all(x) x.begin(),x.end() #define mkp(a,b) make_pair(a,b) using namespace std; 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); } }; inline int mex(unordered_set<int> st) { int m = 0; while (st.find(m) != st.end()) { m += 1; } return m; } inline int calculateGrundy(int n) { if (n == 1) return 0; unordered_set<int> mexi; for (int i = 1; i <= sqrt(n); i += 1) { if (n % i == 0) { if (n / i != n) mexi.insert(calculateGrundy(n / i)); mexi.insert(calculateGrundy(i)); } } return mex(mexi); } inline ll gcd(ll a, ll b) { // This is code taken from geeksforgeek if (b == 0) return a; return gcd(b, a % b); } /*ll power(ll x, ll y) { // This is code taken from geeksforgeek ll res = 1; x = x % N; if (x == 0) return 0; while (y > 0) { if (y & 1) res = (res * x) % N; y = y >> 1; x = (x * x) % N; } return res; }*/ ll power(ll x, ll y) { ll res = 1; x = x; while (y > 0) { if (y & 1) res = (res * x); y = y >> 1; x = (x * x); } return res; } /*ll modInverse(ll n, ll p) { return power(n, p - 2, p); }*/ ll sum(ll n) { return (n * (n + 1)) / 2; } ll sum_digit(ll n) { ll ans = 0; while (n) { ans += n % 10; n /= 10; } return ans; } ll gp(ll r, ll n) { return (pow(r, n) - 1) / (r - 1); } int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); ll n; cin>>n; vector<ll> arr(n,0); f(i,0,n) { cin>>arr[i]; } ll ans=0; f(i,1,n) { if(arr[i]<arr[i-1]) { ans+=arr[i-1]-arr[i]; arr[i]=arr[i-1]; } } cout<<ans; return 0; }
1
#include <iostream> #include <cmath> #include <tuple> #include <string> #include <vector> #include <algorithm> using namespace std; int H, W, A[509][509]; vector<tuple<int, int, int, int>> L; int main() { cin >> H >> W; for (int i = 1; i <= H; i++) { for (int j = 1; j <= W; j++) cin >> A[i][j]; } for (int i = 1; i <= H; i++) { for (int j = W - 1; j >= 1; j--) { if (A[i][j + 1] % 2 == 0) continue; L.push_back(make_tuple(i, j + 1, i, j)); A[i][j + 1]--; A[i][j]++; } } for (int i = H - 1; i >= 1; i--) { if (A[i + 1][1] % 2 == 0) continue; L.push_back(make_tuple(i + 1, 1, i, 1)); A[i + 1][1]--; A[i][1]++; } cout << L.size() << endl; for (int i = 0; i < L.size(); i++) cout << get<0>(L[i]) << " " << get<1>(L[i]) << " " << get<2>(L[i]) << " " << get<3>(L[i]) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; #define fi first #define se second #define repl(i,a,b) for(ll i=(ll)(a);i<(ll)(b);i++) #define rep(i,n) repl(i,0,n) #define all(x) (x).begin(),(x).end() #define dbg(x) cout<<#x"="<<x<<endl #define mmax(x,y) (x>y?x:y) #define mmin(x,y) (x<y?x:y) #define maxch(x,y) x=mmax(x,y) #define minch(x,y) x=mmin(x,y) #define uni(x) x.erase(unique(all(x)),x.end()) #define exist(x,y) (find(all(x),y)!=x.end()) #define bcnt __builtin_popcount #define INF 1e16 #define mod 1000000007 ll N,M; vector<int> A; int main(){ cin>>N>>M; A.resize(M); rep(i,M)cin>>A[i]; if(M==1){ cout<<A[0]<<endl; if(A[0]>1){ cout<<2<<endl; cout<<A[0]-1<<" "<<1<<endl; }else{ cout<<1<<endl; cout<<1<<endl; } return 0; } vector<int> os; rep(i,M){ if(A[i]%2==1)os.push_back(i); } if(os.size()>2){ cout<<"Impossible"<<endl; return 0; } if(os.size()==1){ swap(A[0],A[os[0]]); }else if(os.size()==2){ swap(A[0],A[os[0]]); swap(A[M-1],A[os[1]]); } rep(i,M)cout<<A[i]<<" "; cout<<endl; if(A[0]-1>0){ cout<<M<<endl; cout<<A[0]-1<<" "; }else{ cout<<M-1<<endl; } repl(i,1,M-1)cout<<A[i]<<" "; cout<<A[M-1]+1<<endl; return 0; }
0
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<cmath> #define File(s) freopen(s".in","r",stdin),freopen(s".out","w",stdout) #define maxn 1000010 using namespace std; typedef long long llg; struct data{ int l,r; data(int a=0,int b=0):l(a),r(b){} }s[maxn]; int *q[26],lq[26],ct[26],n; int R[maxn],ls,d[maxn]; char S[maxn],T[maxn]; int erfen(int *a,int r,int x){ int l=0,mid; while(l!=r){ mid=(l+r)>>1; if(a[mid]>=x) r=mid; else l=mid+1; } return l; } int main(){ scanf("%d",&n); scanf("%s\n%s",S+1,T+1); for(int i=1;i<=n;i++) ct[S[i]-'a']++; for(int i=0;i<26;i++) q[i]=new int[ct[i]+10]; for(int i=1,x;i<=n;i++) x=S[i]-'a',q[x][++lq[x]]=i; for(int i=0;i<26;i++) q[i][++lq[i]]=n+1,q[i][0]=0; for(int i=n,x,y,l=n;i;i--){ x=T[i]-'a'; l=min(l,i); y=q[x][erfen(q[x],lq[x],l+1)-1]; if(!y) return printf("-1"),0; if(!R[y]) R[y]=i; if(y<l) l=y; } for(int i=1;i<=n;i++) if(R[i]) s[++ls]=data(i,R[i]),d[ls]=i-ls; s[++ls]=data(n*2,n*2),d[ls]=n*2-ls; int ans=0; for(int i=1,j=1;i<=ls;i++){ while(d[j]<s[i].r-i) j++; ans=max(ans,j-i); } printf("%d",ans); return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long lint; typedef long double louble; template<typename T1,typename T2> inline T1 max(T1 a,T2 b){return a<b?b:a;} template<typename T1,typename T2> inline T1 min(T1 a,T2 b){return a<b?a:b;} namespace ae86 { const int bufl = 1<<15; char buf[bufl],*s=buf,*t=buf; inline int fetch() { if(s==t){t=(s=buf)+fread(buf,1,bufl,stdin);if(s==t)return EOF;} return *s++; } inline int ty() { int a=0,b=1,c=fetch(); while(!isdigit(c))b^=c=='-',c=fetch(); while(isdigit(c))a=a*10+c-48,c=fetch(); return b?a:-a; } inline int ts(char *s) { int a=0,c=fetch(); while(c<=32 && c!=EOF)c=fetch(); while(c>32 && c!=EOF)s[a++]=c,c=fetch(); s[a]=0; return a; } } using ae86::ty; using ae86::ts; const int _ = 1000007; int n,que[_],he,ta;char s[_]={0},t[_]={0}; int main() { n=ty(),ts(s+1),ts(t+1); int got=0; for(int i=1;i<=n;i++)if(s[i]!=t[i]){got=1;break;} if(!got){puts("0");return 0;} he=1,ta=0; int ans=0; for(int i=n,j=n;i>=1;i--) { if(t[i]==t[i-1])continue; j=min(j,i); while(j>0 && s[j]!=t[i])j--; if(j<=0){puts("-1");return 0;} while(he<=ta && que[he]-(ta-he+1)+1>i)he++; que[++ta]=j; if(i!=j)ans=max(ans,ta-he+1); } printf("%d\n",ans+1); return 0; }
1
#include<bits/stdc++.h> #define re register int f[6010][9030],mod; int main() { re int n; scanf("%d%d",&n,&mod); f[0][6010]=1; for(re int i=0;i<3*n;i++) { for(re int j=-i;j<=i/2;j++) if(f[i][j+6010]){ f[i+1][j-1+6010]=(f[i+1][j-1+6010]+f[i][j+6010])%mod; f[i+2][j+1+6010]=(f[i+2][j+1+6010]+1ll*f[i][j+6010]*(i+1))%mod; f[i+3][j+6010]=(f[i+3][j+6010]+1ll*(i+2)*(i+1)*f[i][j+6010])%mod; } } re int ans=0; for(re int i=-3*n;i<=0;i++)ans=(ans+f[3*n][i+6010])%mod; printf("%d\n",ans); }
#include <iostream> #include <algorithm> #include <vector> #include <map> #include <string> #include <cmath> #include <iomanip> #include <numeric> #include <cstring> using namespace std; #define FOR(i, a, b) for (int i = (a); i < (b); i++) #define REP(i, n) FOR(i, 0, n) #define SORT(c) sort((c).begin(), (c).end()) #define INF 1e18 typedef long long ll; typedef pair<int, int> P; typedef vector<int> V; typedef map<int, int> M; const ll MOD = 1e9 + 7; ll fastPow(ll x, ll n) { if (n == 0) return 1; if (n % 2 == 0) return fastPow(x * x % MOD, n / 2); else return x * fastPow(x, n - 1) % MOD; } ll fac[112345]; void combInit(int mx) { fac[0] = 0; fac[1] = 1; for (int i = 2; i <= mx; i++) { fac[i] = fac[i - 1] * i % MOD; } } ll modDiv(ll a, ll b) { return a * fastPow(b, MOD - 2) % MOD; } int main() { combInit(11234); ll perm[1010][1010]; for (int i = 1; i <= 1000; i++) { perm[i][1] = i; for (int j = 2; j <= 1000; j++) { perm[i][j] = perm[i][j - 1] * (i - j + 1); perm[i][j] %= MOD; } } int n, a, b, c, d; cin >> n >> a >> b >> c >> d; ll dp[1010][1010]; memset(dp, 0, sizeof(dp)); for (int i = 0; i <= n; i++) dp[0][i] = 1; for (int i = 1; i <= n; i++) { for (int j = a; j <= b; j++) { dp[i][j] += dp[i][j - 1]; dp[i][j] %= MOD; for (int k = c; k <= d; k++) { if (i - j * k < 0) break; dp[i][j] += dp[i - j * k][j - 1] * modDiv(perm[n - i + j * k][j * k], fastPow(fac[j], k) * fac[k] % MOD); dp[i][j] %= MOD; } } } cout << dp[n][b] << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int n, s; bool truth = false; cin >> n >> s; s /= 1000; for (int i = 0; i <= n; i++) { for (int j = 0; j <= n - i; j++) { if (i * 9 + j * 4 + n == s) { cout << i << ' ' << j << ' ' << n - i - j; truth = true; break; } } if (truth == true) break; } if (truth == false) cout << "-1 -1 -1"; }
#include <iostream> #include <vector> #include <algorithm> #include <utility> using namespace std; void darts(); void longest_dis(); void sum_of_three_integers(); void otoshidama(); int main() { //darts(); //longest_dis(); //sum_of_three_integers(); otoshidama(); } void darts() { while (true) { int n, m; cin >> n >> m; // stop cond if (n == 0) break; vector<int> p(n); for (int i = 0; i < n; ++i) cin >> p[i]; // 2 darts combination // p = q, 0, p + q vector<int> q = p; q.push_back(0); for (int i = 0; i < n; ++i) { for (int j = 0; j <= i; ++j) { q.push_back(p[i] + p[j]); } } sort(q.begin(), q.end()); // q's size = 1 + n + n(n + 1) / 2 //cout << q.size() << "\n"; //for (auto x : q) cout << x << " "; int ret = 0; int j = q.size() - 1; //i:q linear scan for (int i = 0; i < q.size(); ++i) { if (q[i] > m) break; while (q[i] + q[j] > m) --j; ret = max(ret, q[i] + q[j]); } cout << ret << "\n"; } } void longest_dis() { int n; cin >> n; vector<pair<int, int>> p(n); for (int i = 0; i < n; ++i) cin >> p[i].first >> p[i].second; double v_max = 0.0; for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { if ((p[i].first - p[j].first) * (p[i].first - p[j].first) + (p[i].second - p[j].second) * (p[i].second - p[j].second) > v_max * v_max) { v_max = sqrt((p[i].first - p[j].first) * (p[i].first - p[j].first) + (p[i].second - p[j].second) * (p[i].second - p[j].second)); } } } cout << v_max << "\n"; } void sum_of_three_integers() { int k, s; cin >> k >> s; int cnt = 0; //for (int i = 0; i <= k; ++i) //{ // for (int j = 0; j <= k; ++j) // { // for (int m = 0; m <= k; ++m) // { // if (i + j + m == s) ++cnt; // } // } //} for (int i = 0; i <= k; ++i) { for (int j = 0; j <= k; ++j) { int m = s - i - j; if (0 <= m && m <= k) ++cnt; } } cout << cnt << "\n"; } void otoshidama() { int n, Y; cin >> n >> Y; for (int x = 0; x <= n; ++x) { for (int y = 0; x + y <= n; ++y) { int z = n - x - y; if (x * 10000 + y * 5000 + z * 1000 == Y) { cout << x << " "<< y << " " << z << "\n"; return; } } } cout << "-1 -1 -1\n"; }
1
#include <cstdio> #include <cctype> #include <utility> #include <vector> #include <algorithm> using namespace std; #define gcu getchar_unlocked #define pcu putchar_unlocked #define _T template <typename T> #define _HT template <typename H, typename... T> #define _il inline #define _in _il int in #define _sc _il bool scan _T T in(int c){T n=0;bool m=false;while(isspace(c)){c=gcu();}if(c=='-')m=true,c=gcu(); do{n=10*n+(c-'0'),c=gcu();}while(c>='0'&&c<='9');return m?-n:n;} _in() {return in<int>(gcu());} _T T scan(T &n){int c=gcu();return c==EOF?false:(n=in<T>(c),true);} _sc(char &c){c=gcu();gcu();return c!=EOF;} #ifdef _GLIBCXX_STRING _sc(string &s){int c;s=""; for(;;){c=gcu();if(c=='\n'||c==' ')return true;else if(c==EOF)return false;s+=c;}} #endif _HT _sc(H &h, T&&... t){return scan(h)&&scan(t...);} #define _vo _il void out #define _vl _il void outl _vo(bool b) {pcu('0'+b);} _vo(const char *s){while(*s)pcu(*s++);} _vo(char c){pcu(c);} #ifdef _GLIBCXX_STRING _vo(string s){for(char c:s)pcu(c);} #endif _T _vo(T n){static char buf[20];char *p=buf; if(n<0)pcu('-'),n*=-1;if(!n)*p++='0';else while(n)*p++=n%10+'0',n/=10; while (p!=buf)pcu(*--p);} _vl(){out('\n');} #ifdef _GLIBCXX_VECTOR _T _vo(vector<T> &v){for(T &x:v)out(&x == &v[0]?"":" "),out(x);outl();} #endif _HT _vo(H&& h, T&&... t){out(h);out(move(t)...);} template <typename... T> _vl(T&&... t){out(move(t)...);outl();} int main() { for (int n, m; n = in(), m = in();) { vector<int> v(n); for (int &x: v) x = in(); sort(v.rbegin(), v.rend()); int p = 0; for (int i = 0; i < n; i++) if ((i + 1) % m) p += v[i]; outl(p); } }
#include <iostream> #include <string> #include <algorithm> #include <utility> #include <unordered_set> #include <vector> #include <list> #include <string> #include <iterator> #include <deque> #include <array> #include <forward_list> #include <queue> #include <stack> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <cmath> #include <climits> #include <bitset> #include <numeric> using namespace std; const long double PI = 3.14159265358979323846264338327950; const double EPS = 1e-9; const int N = 1000000; template <class T> T gcd(T a, T b) { if (b == 0) { return a; } return gcd(b, a % b); } template <class T> bool isPrime(T x) { for (T d = 2; d * d <= x; d++) { if (x % d == 0) return false; } return true; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, m; unordered_map<int, int> mp; cin >> n; for (int i = 0; i < n; ++i) { cin >> m; ++mp[m]; } int ans = 0; for (auto it = mp.begin(); it != mp.end(); ++it) { if ((it->second) & 1) ++ans; } cout << ans << '\n'; }
0
//http://judge.u-aizu.ac.jp/onlinejudge/review.jsp?rid=2676345#1 #include <iostream> #include<cstdlib> #include<queue> #include<set> #include<vector> #include<string> #include<algorithm> #include<stack> #include<map> #include<cstdio> #include<fstream> #include<cstring> using namespace std; #define rep(i,a) for(int i=0;i<a;i++) #define mp make_pair #define P pair<int,int> #define ll __int64 int n,k; int f,to,from,cost; const int INF=222222222; vector<P> G[1000];//first→終点 second→cost int dist[1000];//頂点iへの最小距離 int keiro(int from,int to){ for(int i=0;i<=n;i++)dist[i]=INF; //dist[from]=0; priority_queue<P,vector<P>,greater<P> >bfs;//first→頂点へのコスト second→頂点 bfs.push(mp(0,from)); while(!bfs.empty()){ P now=bfs.top(); bfs.pop(); int index=now.second,ncost=now.first; if(dist[index]!=INF)continue; //cout<<index<<" "<<ncost<<endl; dist[index]=ncost; for(int i=0;i<G[index].size();i++){ bfs.push(mp(ncost+G[index][i].second,G[index][i].first)); //cout<<G[index][i].first<<" "<<G[index][i].second<<endl; } } //rep(i,n+1)cout<<dist[i]<<" "; if(dist[to]==INF)return -1; return dist[to]; } int main(){ while(cin>>n>>k,n||k){ for(int i=0;i<200;i++)G[i].clear(); for(int i=0;i<k;i++){ cin>>f; if(!f){ cin>>from>>to; cout<<keiro(from,to)<<endl; } else{ cin>>from>>to>>cost; G[from].push_back(mp(to,cost)); G[to].push_back(mp(from,cost)); } } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int LL; typedef long long int ll; typedef pair<long long int, long long int> pii; typedef pair<double, double> pdd; #define SORT(c) sort((c).begin(),(c).end()) #define BACKSORT(c) sort((c).begin(),(c).end(),std::greater<LL>()) #define FOR(i,a,b) for(LL i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define SP << " " << LL mod = 1000000007; template <typename M> class lazy_segment_tree { using T1 = typename M::t1; using T2 = typename M::t2; const int n; vector<T1> data; vector<T2> lazy; int size(int n) { int res = 1; while (res < n) res <<= 1; return res; } void push(int node) { if (lazy[node] == M::id2()) return; if (node < n) { lazy[node * 2] = M::op3(lazy[node * 2], lazy[node]); lazy[node * 2 + 1] = M::op3(lazy[node * 2 + 1], lazy[node]); } data[node] = M::op2(data[node], lazy[node]); lazy[node] = M::id2(); } void suc(int l, int r, int node, int lb, int ub, T2 val) { if (ub <= l || r <= lb) return; if (l <= lb && ub <= r) { lazy[node] = M::op3(lazy[node], val); return; } push(node); int c = (lb + ub) / 2; suc(l, r, node * 2, lb, c, val); suc(l, r, node * 2 + 1, c, ub, val); data[node] = M::op1(M::op2(data[node * 2], lazy[node * 2]), M::op2(data[node * 2 + 1], lazy[node * 2 + 1])); } T1 sub(int l, int r, int node, int lb, int ub) { if (ub <= l || r <= lb) return M::id1(); if (l <= lb && ub <= r) return M::op2(data[node], lazy[node]); int c = (lb + ub) / 2; return M::op2(M::op1(sub(l, r, node * 2, lb, c), sub(l, r, node * 2 + 1, c, ub)), lazy[node]); } public: lazy_segment_tree(int n_) : n(size(n_)), data(n * 2, M::id1()), lazy(n * 2, M::id2()) {} lazy_segment_tree(int n_, T1 v1) : n(size(n_)), data(n * 2, v1), lazy(n * 2, M::id2()) {} lazy_segment_tree(const vector<T1>& data_) : n(size(data_.size())), data(n * 2, M::id1()), lazy(n * 2, M::id2()) { init(data_); } void init() { for (int i = n - 1; i >= 1; i--) data[i] = M::op1(data[i * 2], data[i * 2 + 1]); } void init(const vector<T1>& data_) { for (int i = 0; i < (int)data_.size(); i++) data[i + n] = data_[i]; init(); } void update(int l, int r, T2 val) { suc(l, r + 1, 1, 0, n, val); } T1 find(int l, int r) { return sub(l, r + 1, 1, 0, n); } }; struct RURM { using t1 = int; using t2 = int; static t1 id1() { return INT_MAX; } static t2 id2() { return -1; } static t1 op1(const t1& l, const t1& r) { return min(l, r); } static t1 op2(const t1& l, const t2& r) { return r != id2() ? r : l; } static t2 op3(const t2& l, const t2& r) { return r != id2() ? r : l; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); LL N,Q; cin >> N >> Q; lazy_segment_tree<RURM> seg(N); seg.init(); REP(i,Q){ LL y; cin >> y; if(y==0){ LL s, t, x; cin >> s >> t >> x; seg.update(s, t, x); } else { LL s; cin >> s; cout << seg.find(s, s) << endl; } } }
0
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; string s; map<string, int> S; for (int i=0; i<N; i++) { cin >> s; if (S.count(s)) S.at(s) += 1; else S[s] = 1; } int M; cin >> M; for (int i=0; i<M; i++) { cin >> s; if (S.count(s)) S.at(s) -= 1; } using pis = pair<int, string>; priority_queue<pis> cnt; for (auto x : S) { // 要素はキーと値のpair cnt.push(pair(x.second, x.first)); } if (cnt.top().first < 0) cout << 0 << endl; else cout << cnt.top().first << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using str = string; using ss = stringstream; int main() { cin.tie(0); ios::sync_with_stdio(0); int n,m; cin>>n; map<str,int> a,b; for(int i=0;i<n;i++) { str s; cin>>s; a[s]++; } cin>>m; for(int i=0;i<m;i++) { str s; cin>>s; b[s]++; } int ans=0; for(auto const& aa:a) { int cnt=aa.second-b[aa.first]; if(cnt>0)ans=max(ans,cnt); } cout<<ans<<"\n"; return 0; }
1
#include <bits/stdc++.h> using namespace std; #define ll long long const int Max=1e6+7; ll a[Max]; int n,k; int main(){ ios::sync_with_stdio(0); scanf("%d%d",&n,&k); for(int i=1; i<=n; i++) scanf("%lld",&a[i]); ll ans=0; //cout<<"OK"<<endl; if(a[1]>=0) ans=a[k]; else if(a[n]<=0) ans=-a[n-k+1]; else{ int index=0; for(int i=1; i<=n; i++){ if(a[i]>=0) { index=i; break; } } ans=0x3f3f3f3f; for(int i=index; i<index+k && i<=n; i++){ ll tot=abs(a[i]); if(i-index+1<k){ tot+=abs(a[i]); if(i-k+1>=1){ tot+=abs(a[i-k+1]); //cout<<tot<<endl; ans=min(tot,ans); } }else{ //cout<<tot<<endl; ans=min(tot,ans); } } index--; for(int i=index; i>=1 && i>=index-k+1; i--){ ll tot=abs(a[i]); if(index-i+1<k){ tot+=abs(a[i]); if(k+i-1<=n){ tot+=abs(a[k+i-1]); ans=min(ans,tot); } } else{ ans=min(ans,tot); } } } cout<<ans<<endl; return 0; }
#define _GLIBCXX_DEBUG #include"bits/stdc++.h" using namespace std; //loops #define REP(i,n) for(ll i=0;i<(ll)(n);i++) #define REPD(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define OneToN(i,n) for(ll i=1;i<(ll)(n+1);i++) #define ZeroToN(i,n) for(ll i=0;i<(ll)(n+1);i++) #define AToB(i,a,b) for(ll i=a;i<(ll)(b+1);i++) #define FOR(i,a,b) for(ll i=(a);i<=(b);i++) #define FORD(i,a,b) for(ll i=(a);i>=(b);i--) //bitsearch #define BITSEARCH(bit, n) for (int bit = 0; bit < (1<<n); ++bit) #define isOne(bit, i) bit & (1<<i) //arrays #define ALL(x) (x).begin(),(x).end() //sortなどの引数を省略したい #define SIZE(x) ((ll)(x).size()) //sizeをsize_tからllに直しておく #define add push_back template<typename T> std::vector<T> slice(std::vector<T> const &v, int m, int n) { auto first = v.cbegin() + m; auto last = v.cbegin() + n + 1; std::vector<T> vec(first, last); return vec; } //v need to be sorted #define remove_unique(v) v.erase(unique(ALL(v)), v.end()) //comparision 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; } //pair #define fir first #define sec second #define mp make_pair //types #define ll long long #define vec vector #define cord2d pair<int,int> #define intP pair<int, int> //UNCOMMENT WHEN NEEDED //#define int ll //input template <class T> T get(){ T s; cin >> s; return(s);} #define gi get<int>() #define gs get<string>() #define gll get<ll>() template <class T> vector<T> getv(int n) { vec<T> v(n); REP(i, n) cin >> v[i]; return v; } #define gim(n) getv<int>(n) #define gsm(n) getv<string>(n) #define gllm(n) getv<ll>(n) //output void print(int a){ cout << a << endl; } void print(long long a){ cout << std::fixed << a << endl; } void print(string a){ cout << a << endl; } void print(char a){ cout << a << endl; } void print(double a){ cout << a << endl; } void print(double a, int dig){ cout << std::setprecision(dig) << a << endl; } template <class T>ostream &operator<<(ostream &o,const vector<T>&v) {o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;} template <class T = int> void print(vec<T> v){ cout << v << endl; } template <class T = int> void print2dVec(vec<vec<T>> v2d){for(vec<T> v: v2d) {print(v);}} void YesNo1(bool i = true){ return print(i?"Yes":"No"); } void YESNO2(bool i = true){ return print(i?"YES":"NO"); } //debug output #define var_name(var) #var template <class T> void debug(T &var, int nest = 0, string before = "") { cout << string(" ", nest) << before; print(var); } //name replacement #define y0 y0__ #define y1 y1__ #define j0 j0__ #define j1 j1__ //bool lambdas #define lamb(exp) [](auto i){return exp;} #define isEven [](int i){return i % 2 == 0;} #define isOdd [](int i){return i % 2 != 0;} //constants const ll INF = 1e18; const int MOD = 1000000007; const vec<string> alphabets = { "a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z" }; //maths int factorial(int k){ int sum = 1; for (int i = 1; i <= k; ++i) { sum *= i; } return sum; } ll gcd(ll a, ll b) { if (b == 0) { return a; } return gcd(b, a % b); } ll lcm(ll a, ll b) { ll temp = gcd(a, b); return temp ? (a / temp * b) : 0; } //////////////////// void Main() { //code here int n = gi, k = gi; vec<int> nums = gim(n); int minDif = INT_MAX; REP(i, n-k+1) { int l = i; int r = l+k-1; int dif = min(abs(nums[r]), abs(nums[l])) + abs(nums[l]-nums[r]); chmin(minDif, dif); } print(minDif); } signed main() { cin.tie(0); ios::sync_with_stdio(false); Main(); }
1
#include <iostream> using namespace std ; long long b[102][102] , v , e ; int main() { cin >> v >> e ; for(int i=1 ; i<=v ; i++) { for(int j=1 ; j<=v ; j++) { if(i==j) { b[i][j]=0; } else { b[i][j]=1e18 ; } } } for(int i= 0 ; i < e ; i++) { int x , y , z ; cin >> x >> y >> z ; b[x+1][y+1]=z; } for(int x=1 ; x<=v ; x++) { for(int y=1 ; y<=v ; y++) { for(int z=1; z<=v ; z++) { b[y][z]=min(b[y][z],b[y][x]+b[x][z]); if(y==z) { if(b[y][z]<0) { cout << "NEGATIVE CYCLE" << endl ; return 0 ; } } } } } for(int i=1 ; i<=v ; i++) { for(int j=1 ; j<=v ; j++) { if(j != 1) { if(b[i][j]>2e9) { cout<< " INF"; } else { cout << " "<<b[i][j] ; } } else { if(b[i][j]>2e9) { cout<< "INF"; } else { cout << b[i][j] ; } } } cout << endl ; } }
# include <iostream> # include <algorithm> #include <array> # include <cassert> #include <cctype> #include <climits> #include <numeric> # include <vector> # include <string> # include <set> # include <map> # include <cmath> # include <iomanip> # include <functional> # include <tuple> # include <utility> # include <stack> # include <queue> # include <list> # include <bitset> # include <complex> # include <chrono> # include <random> # include <limits.h> # include <unordered_map> # include <unordered_set> # include <deque> # include <cstdio> # include <cstring> #include <stdio.h> #include<time.h> #include <stdlib.h> #include <cstdint> #include <cfenv> #include<fstream> //#include <bits/stdc++.h> using namespace std; using LL = long long; using ULL = unsigned long long; long long MOD = 1000000000 + 7;// 998244353;// ; constexpr long long INF = numeric_limits<LL>::max() / 2; const double PI = acos(-1); #define fir first #define sec second #define thi third #define debug(x) cerr<<#x<<": "<<x<<'\n' typedef pair<LL, LL> Pll; typedef pair<LL, pair<LL, LL>> Ppll; typedef pair<LL, pair<LL, bitset<100001>>> Pbll; typedef pair<LL, pair<LL, vector<LL>>> Pvll; typedef pair<LL, LL> Vec2; struct Tll { LL first, second, third; }; struct Fll { LL first, second, third, fourd; }; typedef pair<LL, Tll> Ptll; #define rep(i,rept) for(LL i=0;i<rept;i++) #define Rrep(i,mf) for(LL i=mf-1;i>=0;i--) void YN(bool f) { if (f) cout << "YES" << endl; else cout << "NO" << endl; } void yn(bool f) { if (f) cout << "Yes" << endl; else cout << "No" << endl; } struct Edge { LL to, cost; }; struct edge { LL from, to, cost; }; vector<vector<LL>>g; vector<edge>edges; vector<LL>v; map<LL, LL>ma; set<Pll>st; LL h, w, n, m, k, t, s, p, q, last, cnt, sum, ans, dp[210000],a[210000], b[210000]; string str, ss; bool f; char c; vector<LL> kossaraju(vector<vector<LL>>&g) { LL n = g.size(); vector<vector<LL>>rev(n); vector<LL>ret(n); vector<LL>ver; vector<bool>used(n); function<void(LL)>dfs1 = [&](LL cur) { used[cur] = 1; rep(i, g[cur].size()) { if (!used[g[cur][i]]) dfs1(g[cur][i]); } ver.push_back(cur); }; function<void(LL, LL)>dfs2 = [&](LL cur, LL root) { used[cur] = 1; ret[cur] = root; rep(i, rev[cur].size()) { if (!used[rev[cur][i]]) dfs2(rev[cur][i], root); } }; rep(i, n) rep(j, g[i].size()) rev[g[i][j]].push_back(i); rep(i, n) if (!used[i])dfs1(i); rep(i, n) used[i] = 0; Rrep(i, n)if (!used[ver[i]])dfs2(ver[i], ver[i]); return ret; } int main() { cin >> n>>m; g.resize(n); rep(i, m) { LL x, y; cin >> x >> y; g[x].push_back(y); } vector<LL>V = kossaraju(g); cin >> q; rep(i, q) { LL x, y; cin >> x >> y; if (V[x] == V[y])cout << 1 << endl; else cout << 0 << endl; } return 0; }
0
#include <stdio.h> #define MAX 100000 using namespace std; void swap(int A[], int index1, int index2) { int temp; temp = A[index1]; A[index1] = A[index2]; A[index2] = temp; } int partition(int A[], int p, int r) { int x = A[r]; int i = p -1; for(int j = p; j <= r-1; j++) { if(A[j] <= x) { i = i + 1; swap(A, i, j); } } swap(A, i+1, r); return i+1; } int main() { int n, A[MAX]; scanf("%d", &n); for(int i = 0; i < n; i++) { scanf("%d", &A[i]); } int index = partition(A, 0, n-1); for(int i = 0; i < n; i++) { if(i == index) printf("[%d]", A[i]); else printf("%d", A[i]); if(i != n-1) printf(" "); } printf("\n"); return 0; }
#include<bits/stdc++.h> #include<iomanip> using namespace std; int main(){ int N, K; cin >> N >> K; vector<float> p(N); for(int i=0; i<N; i++) cin >> p.at(i); for(int i=0; i<N; i++) p.at(i) = (p.at(i) + 1) / 2; vector<double> q(N); q.at(0) = p.at(0); for(int i=1; i<N; i++) q.at(i) = q.at(i-1) + p.at(i); vector<double> r(N - K + 1); r.at(0) = q.at(K-1); for(int i=1; i<N-K+1; i++){ r.at(i) = q.at(i+K-1) - q.at(i-1); } double max = 0; for(int i=0; i<N-K+1; i++){ if(max < r.at(i)) max = r.at(i); } cout << fixed << setprecision(12); cout << max << endl; }
0
#include <bits/stdc++.h> #define rep(i,n) for(ll i=0;i<n;++i) #define all_map(itr,mp) for(auto itr=mp.begin();itr!=mp.end();itr++) #define ALL(a) (a).begin(),(a).end() using namespace std; using ll = long long; using pll = pair<ll, ll>; const ll MOD = 1e9 + 7; const ll LINF = 1LL << 62; const int INF = 1e9 + 7; ll Gcd(ll a,ll b){ if(a < b)swap(a, b); if(a%b == 0)return(b); else return(Gcd(b, a%b)); } vector<pll> Factor(ll n){ vector<pll> prime; ll sq = sqrt(n) + 1; for(int i = 2; i <= sq; ++i){ sq = sqrt(n) + 1; if(n%i == 0){ prime.push_back(make_pair(i, 0)); while(n%i == 0){ n /= i; prime[prime.size()-1].second++; } } } if(n != 1){ prime.push_back(make_pair(n, 1)); } return prime; } int main(){ ll a, b; cin >> a >> b; vector<pll> fac = Factor(Gcd(a, b)); cout << fac.size() + 1 << endl; }
/* https://www.cnblogs.com/SovietPower/p/9757375.html */ #include <cstdio> #include <algorithm> #define mod 998244353 const int N=1e6; int fac[N+3],ifac[N+3]; inline int FP(int x,int k) { int t=1; for(; k; k>>=1,x=1ll*x*x%mod) if(k&1) t=1ll*t*x%mod; return t; } #define C(n,m) (1ll*fac[n+m]*ifac[n]%mod*ifac[m]%mod)//C(n+m,n) int main() { int n,m; scanf("%d%d",&n,&m); if(n<m) std::swap(n,m); int lim=n+m; fac[0]=fac[1]=1; for(int i=1; i<=lim; ++i) fac[i]=1ll*fac[i-1]*i%mod; ifac[lim]=FP(fac[lim],mod-2); for(int i=lim; i; --i) ifac[i-1]=1ll*ifac[i]*i%mod; long long ans=0; for(int i=1; i<=m; ++i) ans+=1ll*C(i,i)*C(n-i,m-i)%mod; ans=ans%mod*FP(C(n,m),mod-2)%mod*FP(2,mod-2)%mod; printf("%lld\n",(ans+n)%mod); return 0; }
0
#include <bits/stdc++.h> #define FASTIO ios::sync_with_stdio(false);cin.tie(0); #define ADD + #define SUBTRACT - #define MULTIPLY * #define DIVIDE / #define MOD % #define INCREMENT(x) ++x #define DECREMENT(x) --x #define in(a,b) cin>>a>>b; #define out(a,b) cout<<a<<endl<<b<<endl; #define scan(a) scanf("%d",&a); #define print(a) printf("%d\n",a); #define scanii(a,b) scanf("%d %d",&a,&b); #define printii(a,b) printf("%d\n%d\n",a,b); #define scaniii(a,b,c) scanf("%d %d %d",&a,&b,&c); #define pub push_back #define pob pop_back #define puf push_front #define pof pop_front #define ll long long #define ull unsigned long long #define sll signed long long #define pi acos(-1) #define mod 1000000007 #define TRUE 1 #define FALSE 0 #define ZERO 0 #define MP make_pair #define F first #define S second #define f1(i,a) for(int i=0;i<a;++i) #define f2(i,a) for(int i=a-1;i>=0;--i) #define en puts(""); #define elif else if typedef ll int lli; typedef sll int slli; typedef ull int ulli; const int sz=10000; using namespace std; int clue(); int result(); void show(); bool check(int n) { for(int i=2;i*i<=n;++i) { if(n%i==0) return false; } return true; } // bool cmp(pair<int,int>p,pair<int,int>q) { // // return p.first>q.first;//descending by first // // return p.first<q.first;//ascending by first // // return p.second>q.second;//descending by second // return p.second<q.second;//ascending by second // } bool cmp(int p,int q) { return p>q;//descending // return p<q;//ascending } int main() { int t; // cin>>t; t=1; while(t-->0) { clue(); } return 0; } int clue() { string s; cin>>s; int cnt; if(s=="SUN") { cnt=7; } elif(s=="MON") { cnt=6; } elif(s=="TUE") { cnt=5; } elif(s=="WED") { cnt=4; } elif(s=="THU") { cnt=3; } elif(s=="FRI") { cnt=2; } elif(s=="SAT") { cnt=1; } cout<<cnt<<endl; // ()?cout<<"1"<<endl:cout<<"0"<<endl; return 0; }
#include <algorithm> // #include <cstdlib> #include <cstring> #include <cstdio> #include <string> #include <queue> #include <cmath> #include <set> #include <map> // #include <bitset> const int oo=2139063143; const int N=310; const int P=1000000007; using namespace std; typedef long long LL; typedef double db; #define pritnf printf //char buf[1<<22],*p1=buf,*p2=buf,obuf[1<<22],*O=obuf; //#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++) template <typename T> inline void sc (T &x) { x=0; static int p; p=1; static char c; c=getchar(); while (!isdigit(c)) { if (c=='-') p=-1; c=getchar(); } while ( isdigit(c)) { x=(x<<1)+(x<<3)+(c-48); c=getchar(); } x*=p; } template <typename T> inline void print (T x) { if (x< 0) putchar('-'),x=-x; if (x>=10) print(x/10); putchar(x%10+'0'); } template <typename T> inline void pr (T x) { print(x),putchar('\n'); } void chkmax (int &A,int B) { A=A>=B?A:B; } char s[N]; int f[N][N][N]; int main () { // freopen (".in","r",stdin); // freopen (".out","w",stdout); scanf ("%s",s+1); int n=strlen (s+1),k; sc(k); for (int i=1; i<=n; i++) f[i][i][0]=1; for (int len=2; len<=n; len++) { for (int l=1,r=len; r<=n; l++,r++) { for (int i=0; i<=k; i++) { f[l][r][i]=max (f[l+1][r][i],f[l][r-1][i]); if (s[l]==s[r]) chkmax (f[l][r][i],f[l+1][r-1][i]+2); if (i) chkmax (f[l][r][i],f[l+1][r-1][i-1]+2); } } } int ans=0; for (int i=0; i<=k; i++) chkmax (ans,f[1][n][i]); pr(ans); return 0; }
0
#define _GLIBCXX_DEBUG #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ALL(v) v.begin(), v.end() typedef long long ll; #include <bits/stdc++.h> using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); int a,b; cin>>a>>b; if(a-b>0) cout<<a+a-1<<endl; else if(b-a>0) cout<<b+b-1<<endl; else cout<<a+b<<endl; return 0; }
#include<iostream> #include<math.h> #include<bits/stdc++.h> #define ll long long int #define hell 1000000007LL using namespace std; ll power(ll x, ll y){ if(y==0) return 1; else { ll p=power(x,y/2); if(y%2==0) return (p*p)%hell; else return (x*((p*p)%hell))%hell; }} ll gcd(ll x,ll y) { if(y==0) return x; else return gcd(y,x%y); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.precision(20); ll a,b; cin>>a>>b; cout<<max(max(a+b,2*a-1),2*b-1);}
1
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; set<int> s; for(int i = 0; i < n; i++){ //cout << s.size() << endl; int a; cin >> a; if(s.count(a)) s.erase(a); else s.insert(a); } cout << s.size() << endl; }
#include <bits/stdc++.h> using namespace std; using ll=long long; int main() { int n; cin >> n; vector<ll>a(n); ll sum=0; for(int i=0;i<n;++i) cin >> a[i]; for(int i=0;i<n-1;++i) { if(a[i]>a[i+1]){ sum+=a[i]-a[i+1]; a[i+1]=a[i]; } } cout << sum << endl; return 0; }
0
#include <algorithm> #include <iostream> #include <vector> using namespace std; const int INF = (int)1e9 + 7; int main() { int n; cin >> n; vector<int> a(n); int sum = 0; for (auto &ai: a) cin >> ai, sum += ai; pair<int, int> mi{INF, -1}; for (int i = 0; i < n; i++) { mi = min(mi, {abs(a[i] * n - sum), i}); } cout << mi.second << endl; return 0; }
#include <iostream> #include <map> #include <string> using namespace std; class Dice { private: map<char, int> dice; public: Dice(int _I, int _II, int _III, int _IV, int _V, int _VI); int GetNumber(char c); void roll_E(); void roll_N(); void roll_S(); void roll_W(); }; Dice::Dice(int _I, int _II, int _III, int _IV, int _V, int _VI) { dice['T'] = _I; dice['S'] = _II; dice['E'] = _III; dice['W'] = _IV; dice['N'] = _V; dice['B'] = _VI; } int Dice::GetNumber(char c) { return dice[c]; } void Dice::roll_E() { map<char, int> tmp = dice; dice['T'] = tmp['W']; dice['E'] = tmp['T']; dice['W'] = tmp['B']; dice['B'] = tmp['E']; } void Dice::roll_N() { map<char, int> tmp = dice; dice['T'] = tmp['S']; dice['S'] = tmp['B']; dice['N'] = tmp['T']; dice['B'] = tmp['N']; } void Dice::roll_S() { map<char, int> tmp = dice; dice['T'] = tmp['N']; dice['S'] = tmp['T']; dice['N'] = tmp['B']; dice['B'] = tmp['S']; } void Dice::roll_W() { map<char, int> tmp = dice; dice['T'] = tmp['E']; dice['E'] = tmp['B']; dice['W'] = tmp['T']; dice['B'] = tmp['W']; } int main() { int I, II, III, IV, V, VI; cin >> I >> II >> III >> IV >> V >> VI; Dice dice(I, II, III, IV, V, VI); string op; cin >> op; for (unsigned int i = 0; i < op.size(); i++) { if (op[i] == 'E') { dice.roll_E(); } if (op[i] == 'N') { dice.roll_N(); } if (op[i] == 'S') { dice.roll_S(); } if (op[i] == 'W') { dice.roll_W(); } } cout << dice.GetNumber('T') << endl; // std::cout << "\e[38;5;0m\e[48;5;40m --- end --- \e[m" << std::endl; // debug return 0; }
0
#include <bits/stdc++.h> #include <math.h> #define rep(i, n) for(int i = 0; i < (n); i++) #define rrep(i, n) for(int i = 0; i <= (n); i++) using namespace std; typedef long long ll; const int MOD = 1000000007; const ll INF = 1LL<<60; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using Graph = vector<vector<int>>; typedef pair<int, int> P; typedef priority_queue<int, vector<int>, greater<int>> PQ; int main(){ int N, K; cin >> N >> K; int ans = 0; deque<int> deq; vector<int> v(N,0); rep(i,N){ cin >> v[i]; } // 左から取る個数 for (int l = 0; l <= K; l++){ // 右から取る個数 for (int r = 0; r <= K; r++){ // 取る回数がKを越した場合はNG if (l + r > K) continue; int d = K - l - r; priority_queue<int, vector<int>, greater<int>> tmp; // 左から取る rep(i,l){ // dequeの右端に達した場合 if (i >= N) break; tmp.push(v[i]); } // 右から取る rep(i,r){ int index = N-1-i; // dequeの左端もしくはすでに左から取られている場合 if (index < 0 || index <= l) break; tmp.push(v[index]); } // 手から宝石をつめる rep(i,d){ // 手に持っていない場合 if (tmp.empty()) break; // 価値は正の場合はつめない if (tmp.top() >= 0) break; tmp.pop(); } int now = 0; while (!tmp.empty()){ now += tmp.top(); tmp.pop(); } ans = max(now, ans); } } cout << ans << endl; }
#include <iostream> #include <iomanip> #include <map> #include <list> #include <set> #include <vector> #include <utility> #include <algorithm> #include <queue> #include <cstdint> #include <cstdlib> #include <cstdio> #include <cstring> #include <cmath> using namespace std; typedef long long ll; typedef unsigned long long ull; constexpr ll inf = INT64_MAX / 4; constexpr double pi = asin(1) * 2; constexpr ll mod = 1000000007; template<class T> class set2 : public set<T> { private: typename set<T>::iterator back_itr() { auto e = this->end(); e--; return e; } public: T front() { if (this->empty()) throw; return *this->begin(); } T back() { if (this->empty()) throw; return *this->back_itr(); } void erase_front() { if (!this->empty()) this->erase(this->begin()); } void erase_back() { if (!this->empty()) this->erase(this->back_itr()); } }; int main() { int n, m; cin >> n >> m; vector<int> a(n), b(m); for (auto &e:a) cin >> e; for (auto &e:b) cin >> e; sort(a.begin(), a.end()); sort(b.begin(), b.end()); bool f = true; for (int i = 1; i < n; i++) if (a[i] == a[i - 1]) f = false; for (int i = 1; i < m; i++) if (b[i] == b[i - 1]) f = false; if (!f) { cout << 0 << endl; return 0; } auto in_r = [](vector<int> r, int e) { return binary_search(r.begin(), r.end(), e); }; auto in_a = [&in_r, &a](int e) { return in_r(a, e); }; auto in_b = [&in_r, &b](int e) { return in_r(b, e); }; ll r = 1; for (int i = n * m; i > 0; i--) { if (in_a(i) && in_b(i)) { r *= 1; } else if (in_a(i)) { r *= b.end() - lower_bound(b.begin(), b.end(), i); } else if (in_b(i)) { r *= a.end() - lower_bound(a.begin(), a.end(), i); } else { r *= (a.end() - lower_bound(a.begin(), a.end(), i)) * (b.end() - lower_bound(b.begin(), b.end(), i)) - (n * m - i); } r %= mod; } cout << r << endl; }
0
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define endl "\n" #define eb emplace_back #define print(v) cout<<v<<endl #define printyes cout<<"Yes"<<endl #define printno cout<<"No"<<endl #define printYES cout<<"YES"<<endl #define printNO cout<<"NO"<<endl #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) const ll mod=1000000007; // const ll mod=998244353; const ll inf=1LL<<60; const double PI = acos(-1); const double eps = 1e-9; template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } struct unionfind{ private: int maxN; vector<int> par,treesize; public:unionfind(int N) :maxN(N),par(N),treesize(N,1){ for(int i=0;i<maxN;++i)par[i]=i; } int root(int x){ while(par[x]!=x){ x=par[x]=par[par[x]]; } return x; } bool unite(int x,int y){ x=root(x); y=root(y); if(x==y)return false; if(treesize[x]>treesize[y])swap(x,y); par[x]=y; treesize[y]+=treesize[x]; return true; } bool parcheck(int x,int y){ return root(x)==root(y); } int size(int x){ return treesize[root(x)]; } void clear(){ treesize.assign(maxN,1); for(int i=0;i<maxN;++i)par[i]=i; } }; int main(){ startupcpp(); ll i,N,M,cnt=0,ans=0; cin>>N>>M; vector<int> a(M),b(M); map<int,int> mp; rep(i,M){ cin>>a[i]>>b[i]; mp[a[i]]+=mp[b[i]]; } for(auto& x:mp)x.second=cnt++; ans=N*N-cnt*cnt; N=cnt; unionfind ut(N*2); rep(i,M){ a[i]=mp[a[i]]; b[i]=mp[b[i]]; ut.unite(a[i],b[i]+N); ut.unite(a[i]+N,b[i]); } mp.clear(); rep(i,N){ mp[ut.root(i)]|=ut.parcheck(i,i+N); } cnt=0; for(auto& x:mp)cnt+=!x.second; print(ans+(mp.size()-cnt/2)*(mp.size()-cnt/2)+cnt*cnt/4); }
#pragma GCC optimize ("O3") #pragma GCC target ("avx") //#include<bits/stdc++.h> #include<cstdio> #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; char cn[cm], * ci = cn + cm, ct; inline char getcha() { if (ci - cn == cm) { fread_unlocked(cn, 1, cm, stdin); ci = cn; } return *ci++; } inline int getint() { int A = 0; if (ci - cn + 16 > cm) while ((ct = getcha()) >= '0') A = A * 10 + ct - '0'; else while ((ct = *ci++) >= '0') A = A * 10 + ct - '0'; return A; } //わけわかめ int P[100001]; bool dame[100001]; int Find(int A) { if (P[A] < 0) return A << 1; return P[A] = Find(P[A] >> 1) ^ (P[A] & 1); } int main() { //cin.tie(0); //ios::sync_with_stdio(false); int N = getint(), M = getint(); rep1(i, N) P[i] = -1; rep(i, M) { int a = Find(getint()); int b = Find(getint()); //なんてセンスのない int a1 = a >> 1; int b1 = b >> 1; if (a1 == b1) { if (!((a ^ b) & 1)) dame[a1] = true; continue; } if (P[a1] > P[b1]) { P[b1] += P[a1]; dame[b1] |= dame[a1]; P[a1] = b ^ !(a & 1); } else { P[a1] += P[b1]; dame[a1] |= dame[b1]; P[b1] = a ^ !(b & 1); } } ll x = 0, y = 0, z = 0; rep1(i, N) { if (P[i] < 0) { if (P[i] == -1) z++; else if (dame[i]) y++; else x++; } } printf("%lld\n", x * x + (x + y) * (x + y) + 2 * N * z - z * z); Would you please return 0; }
1
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main() { ll n; cin >> n; ll ans; for(int i = 1; i * i <= n; i++){ ans = i*i; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define M 1000000007 long long int power(int a,int b) { if(b==0) return 1; long long int k=power(a,b/2); if(b%2==0) return ((k%M)*(k%M))%M; else return ((k%M)*(k%M)*(a%M))%M; } long long int fact(long long int n) { if(n==1 || n==0) return 1; else return ((n%M)*(fact(n-1)%M))%M; } int div(int n) { int c=0; for(int i=1;i<sqrt(n);i++) { if(n%i==0) { c++; } } c=c*2; if(pow(sqrt(n),2)==(sqrt(n)*sqrt(n))) c++; return c; } 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 n; cin>>n; int s=sqrt(n); cout<<s*s; return 0; }
1
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(int i=0;i<n;i++) #define Rep(i,n) for(int i=1;i<=n;i++) const ll MOD = 1000000007; long long modinv(long long a, long long m=MOD) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; /*MODの割り算の際に a/=b; を a *= modinv(b,MOD); とする。 */ } const int MAXN = 4001; int main(){ int N;string S;cin >> N >> S; ll count = 0; ll red=0,blue=0,green=0; for(int i=0;i<N;i++){ if(S[i]=='R')red++; if(S[i]=='B')blue++; if(S[i]=='G')green++; for(int k=0;k<N;k++){ int tmp_i = i+1;int tmp_k = k+1; int tmp_j = (tmp_i+tmp_k)/2; int j = tmp_j - 1; if(tmp_j <= N && tmp_i< tmp_j && tmp_j<tmp_k && tmp_j - tmp_i == tmp_k - tmp_j && S[i]!=S[j] && S[j] != S[k] && S[i] != S[k]){ count++; } } } ll tmp = red*blue*green; cout << tmp - count << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main() { int n; cin >> n; int a,b; switch (n) { case 1: cout << "Hello World\n"; break; case 2: cin >> a >> b; cout << a+b << endl; break; } return (0); }
0
#define _GIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); ++i) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; using P = pair<int, int>; int main(void) { ll n, t; cin >> n >> t; vector<ll> tv(n); rep(i, n) { cin >> tv[i]; } ll ans = t; for (int i = 1; i < n; ++i) { ans += t; if (t > tv[i] - tv[i - 1]) ans = ans - t + tv[i] - tv[i - 1]; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long lint; typedef long long llint; typedef pair<int, int> pint; typedef pair<long long, long long> pllint; // static const int MAX = 1e6; // static const int NIL = -1; // static const llint INF = 1<<21; // static const llint MOD = 1e9 + 7; bool compPair(const pint& arg1, const pint& arg2) { return arg1.first > arg2.first; } template<class T> void chmax(T& a, T b) { if (a < b) { a = b; } } template<class T> void chmin(T& a, T b) { if (a > b) { a = b; } } int main(void) { int n, t; cin >> n >> t; int ans = 0, tnow, tpush, tbfr; cin >> tbfr; for(int in=1;in<n;in++) { cin >> tpush; if(tpush-tbfr<=t) ans += tpush-tbfr; else ans += t; tbfr = tpush; } ans += t; cout << ans << endl; return 0; }
1
#include <iostream> using namespace std; int gcd(int n, int m){ if(n % m == 0) return m; return gcd(m, n % m); } int main() { int n; cin >> n; int a[100005]; for(int i = 0; i < n; i++) cin >> a[i]; if(n == 1){ cout << "Second" << endl; return 0; } if(n == 2){ if(a[0] % 2 == a[1] % 2) cout << "Second" << endl; else cout << "First" << endl; return 0; } bool first = true; while(true){ int m = 2; int l = 0; int c = 0; for(int i = 0; i < n; i++){ m = min(m, a[i]); if(a[i] % 2) c++; else l = 1 - l; } if(l == 1){ if(first) cout << "First" << endl; else cout << "Second" << endl; return 0; } else if(c > 1 || m == 1){ if(first) cout << "Second" << endl; else cout << "First" << endl; return 0; } else{ for(int i = 0; i < n; i++) a[i] = a[i] / 2 * 2; int g = 0; for(int i = 0; i < n; i++) g = gcd(g, a[i]); for(int i = 0; i < n; i++) a[i] /= g; } first = !first; } }
#include <bits/stdc++.h> #define lol long long using namespace std; int main(){ int a,n,ans=1e9,b; string s,t; cin>>n; for(int i=0;i<n;i++){ cin>>a; b=0; while(a%2==0){ b++; a/=2; } ans=min(b,ans); } cout<<ans<<"\n"; return(0); }
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; const int N = 1010; int h, w, a, b, mat[N][N]; ii arr[N]; bool can(int c1, int c2){ for(int i=0 ; i<c2 ; i++) arr[i] = ii(b, i); for(int i=c2 ; i<w ; i++) arr[i] = ii(h-b, i); sort(arr, arr+w); memset(mat, 0, sizeof mat); for(int i=h-1 ; i>=0 ; i--){ int cur = (i >= c1 ? w-a : a); for(int j=w-1 ; cur>0 && j>=0 ; j --, cur --){ arr[j].first --; if(arr[j].first<0) return false; mat[i][ arr[j].second ] = 1; } sort(arr, arr+w); } for(int i=0 ; i<h ; i++){ for(int j=0 ; j<w ; j++) cout << mat[i][j]; cout << "\n"; } return true; } signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> h >> w >> a >> b; for(int i=0 ; i<=h ; i++) for(int j=0 ; j<=w ; j++){ int f1 = i*a + (h-i)*(w-a); int f2 = j*b + (w-j)*(h-b); if(f1 == f2 && can(i, j)) return 0; } cout << "-1\n"; }
#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 main() { int h, w, a, b; cin >> h >> w >> a >> b; vector<vector<int>> s(h, vector<int>(w)); rep(i, h) rep(j, w) { if (i < b && j < a || i >= b && j >= a) s[i][j] = 0; else s[i][j] = 1; } rep(i, h) { rep(j, w) cout << s[i][j]; cout << endl; } return 0; }
1
#include <bits/stdc++.h> #define sz(arr) (int)(arr).size() #define rng(arr) arr.begin(), arr.end() #define show(x) cout << #x << " = " << x << endl; using namespace std; typedef long long int ll; void _cin() {} template <class Head, class... Tail> void _cin(Head&& head, Tail&&... tail) { cin >> head; _cin(forward<Tail>(tail)...); } #define Cin(T, ...) \ T __VA_ARGS__; \ _cin(__VA_ARGS__) #define Cins(T, n, xs) \ vector<T> xs(n); \ for (int i = 0; i < n; ++i) cin >> xs[i] void Main(); int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); Main(); return 0; } void Main() { Cin(int, n); Cin(string, a, b, c); int ans = 0; for (int i = 0; i < n; ++i) { map<char, int> mp; mp[a[i]]++; mp[b[i]]++; mp[c[i]]++; int ma = 0; for (auto e : mp) ma = max(ma, e.second); ans += 3 - ma; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { int n; cin >> n; string a, b, c; cin >> a >> b >> c; int ans = 0; for (int i = 0; i < n; i++) { if (a[i] != b[i] && b[i] != c[i] && c[i] != a[i]) { ans += 2; } else if ((a[i] == b[i] && b[i] != c[i]) || (b[i] == c[i] && c[i] != a[i]) || (c[i] == a[i] && a[i] != b[i])) { ans++; } } cout << ans << endl; return 0; }
1
#include<bits/stdc++.h> using namespace std; #define IO ios_base::sync_with_stdio(false) int a[200000], vs[200000],vs1[100006],p[300000]; vector<int>v[200000]; queue<int>q; int f(int n) { int i, k=0; vs[n]=1; q.push(n); while(q.size()){ n=q.front(); q.pop(); for(i=0; i<v[n].size(); i++){ if(vs1[v[n][i]]==1){ p[v[n][i]]=n; q.push(v[n][i]); } else vs1[v[n][i]]--; } } return 1; } int main() { IO; int i, j, m, k, n, t, l=0, mx,ll,mxx,mx1; cin>>n>>m; for(i=1; i<=n+m-1; i++){ cin>>j>>k; v[j].push_back(k); vs1[k]++; } for(i=1; i<=n; i++) if(vs1[i]==0)k=i; f(k); for(i=1; i<=n; i++) cout<<p[i]<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #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 SORT(v, n) sort(v, v+n); #define VSORT(v) sort(v.begin(), v.end()); #define ALL(v) (v).begin(),(v).end() using ll = long long; using vll = vector<ll>; using vvll = vector<vector<ll>>; using P = pair<ll, ll>; const ll inf = 1e18; int main(){ cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; vll x(n); REP(i, n) cin >> x[i]; ll l; cin >> l; // reach[k][i] : i から出発して 2^k 日で到達できる一番遠いホテル vvll reach(31, vll(n)); REP(i, n){ ll nxt = upper_bound(ALL(x), x[i] + l) - x.begin() - 1; reach[0][i] = nxt; } REP(k, 30){ REP(i, n){ reach[k + 1][i] = reach[k][reach[k][i]]; } } ll q; cin >> q; ll a, b; while (q) { cin >> a >> b; a--, b--; if (a > b) swap(a, b); ll res = 1; REPR(k, 30){ if (reach[k][a] < b) { res += (1 << k); a = reach[k][a]; } } cout << res << endl; q--; } return 0; }
0
#include <iostream> #include <algorithm> #include <numeric> #include <vector> using lint = long long; template <class T> T gcd(T a, T b) { while (b > 0) { a %= b; std::swap(a, b); } return a; } bool solve(int N, std::vector<lint>& A) { lint sum = std::accumulate(A.begin(), A.end(), 0LL); // Nが偶数の場合、和の偶奇がそのまま勝敗になる if (N % 2 == 0) return sum % 2 != 0; // Nが奇数の場合も、和が偶数なら絶対勝てる if (sum % 2 == 0) return true; // 奇数を前に持っていく std::sort(A.begin(), A.end(), [](int a, int b) { return a % 2 > b % 2; }); // 奇数が複数個ある、あるいは唯一の奇数が1(減らせない)なら負け if (A[0] == 1 || (A[1] & 1) != 0) return false; // そうでなければ、唯一の奇数を減らしてシミュレート --A[0]; int g = accumulate(A.begin(), A.end(), 0LL, gcd<lint>); // 全体のgcdを取る for (auto& a : A) a /= g; return !solve(N, A); } int main() { int N; std::cin >> N; std::vector<lint> A(N); for (auto& a : A) std::cin >> a; std::cout << (solve(N, A) ? "First" : "Second") << std::endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 6.66; int arr [ MAXN ]; string player[2] = { "First","Second" }; int main ( ) { int n; scanf ( "%d",&n ) ; for ( int i = 0;i<n;i++ ) scanf ( "%d", arr + i ) ; int cnt[2] = { 0 , 0 }; bool is_one = false; for ( int i = 0;i<n;i++ ) cnt[arr[i] % 2 ] ++,is_one |= (arr[i] == 1); if ( cnt[0] % 2 == 1 ) { printf ( "First\n" ); return 0; } bool turn = 0; while ( !is_one && cnt[1] == 1 ) { for ( int i = 0;i<n;i++ ) if ( arr[i] % 2 ) arr[i] -- ; int gc = arr[0]; for ( int i = 0;i<n;i++ ) gc = __gcd ( arr[i], gc ); for ( int i = 0;i<n;i++ ) arr[i] /= gc; cnt[1] = cnt[0] = 0; for ( int i = 0;i<n;i++ ) cnt[arr[i] % 2 ] ++,is_one |= (arr[i] == 1); turn = !turn ; } if ( cnt[0] % 2 ) printf ( "%s\n", player[turn].c_str ( ) ); else printf ( "%s\n", player[!turn].c_str ( ) ); return 0; }
1
#include "bits/stdc++.h" #include<unordered_map> #include<unordered_set> #pragma warning(disable:4996) using namespace std; using ld = long double; const ld eps = 1e-9; //// < "d:\d_download\visual studio 2015\projects\programing_contest_c++\debug\a.txt" > "d:\d_download\visual studio 2015\projects\programing_contest_c++\debug\b.txt" int main() { while (1) { int N; cin >> N; if (!N)break; vector<int>as(N); vector<long long int>sums(N + 1); for (int i = 0; i < N; ++i)cin >> as[i]; for (int i = 0; i < N; ++i) { sums[i + 1] = sums[i] + as[i]; } long long int ans = -1e8; for (int l = 0; l < N; ++l) { for (int r = l + 1; r <= N; ++r) { ans = max(ans, sums[r] - sums[l]); } } cout << ans << endl; } return 0; }
#include <iostream> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; while(cin>>n, n) { int now, max; cin>>now; max=now; for(int i=1; i<n; i++) { int t; cin>>t; if(now<=0) now=t; else now+=t; if(max<now) max=now; } cout<<max<<'\n'; } return 0; }
1
#include<iostream> #include<algorithm> #include<string> #include<cmath> #include<vector> #include<map> using namespace std; int main() { string a; string b; string c; cin >> a >> b >> c; char turn = a[0]; a.erase(a.begin()); if(a.empty()) { cout << 'A' << endl; return 0; } while(1){ if(turn == 'a'){ if(a.empty()) { cout << 'A' << endl; return 0; } turn = a[0]; a.erase(a.begin()); } if(turn == 'b'){ if(b.empty()) { cout << 'B' << endl; return 0; } turn = b[0]; b.erase(b.begin()); } if(turn == 'c'){ if(c.empty()) { cout << 'C' << endl; return 0; } turn = c[0]; c.erase(c.begin()); } } return 0; }
#include<bits/stdc++.h> #define ll long long int #define endl '\n' #define M 1000000007 #define yes cout<<"YES\n" #define no cout<<"NO\n" #define f first #define s second #define b begin #define e end #define pb push_back #define mp make_pair #define FOR(i,a,b) for(i=a;i<b;i++) #define RFOR(i,a,b) for(i=a;i>=b;i--) #define all(x) x.begin(),x.end() #define itfr(it,x) for(it=x.begin();it!=x.end();it++) #define flash ios_base::sync_with_stdio(false); cin.tie(NULL) using namespace std; int main() { flash; //sieve(); ll T=1,n,m,k,x,y,z; // cin>>T; while(T--) { string a,b,c; cin>>a>>b>>c; n = a.length(); m = b.length(); k = c.length(); x = 0; y = 0; z = 0; char cur = 'a'; while(x<=n&&y<=m&&z<=k) { if(cur=='a') { cur = a[x]; x++; } else if(cur=='b') { cur = b[y]; y++; } else { cur = c[z]; z++; } } if(x>n) cout<<'A'; else if(y>m) cout<<'B'; else cout<<'C'; cout<<endl; } }
1
#include <bits/stdc++.h> #define rep(i, z, n) for(int i = z; i < n; i++) #define all(v) v.begin(), v.end() typedef long long ll; //const int INF = 1<<29; //const int MODINF = 1000000007; using namespace std; int main(){ int N; cin >> N; vector<int> A(N + 2, 0); int sum = 0; rep(i, 1, N + 1) cin >> A.at(i); rep(i, 0, N + 1) sum += abs(A.at(i + 1) - A.at(i)); rep(i, 1, N + 1){ int x = A.at(i - 1); int y = A.at(i); int z = A.at(i + 1); if ((x - y)*(y - z) >= 0){ cout << sum << endl; } else{ cout << sum - 2 * min(abs(x - y), abs(y - z)) << endl; } } }
#include <bits/stdc++.h> typedef long long ll; #define rep(i, n) for (ll i = 0; i < (ll)n; ++i) const int MOD = 1000000007; using namespace std; void solve(void) { int n; cin >> n; vector<int> a(n + 2); rep(i, n) cin >> a[i + 1]; a[0] = 0, a[n + 1] = 0; int res = 0; rep(i, n + 1) res += abs(a[i] - a[i + 1]); rep(i, n) { int x = abs(a[i] - a[i + 1]) + abs(a[i + 1] - a[i + 2]); int y = abs(a[i] - a[i + 2]); cout << res - x + y << endl; } } int main(void) { solve(); }
1
#include<iostream> using namespace std; int main(){ int N; cin >> N; int a[N]; for(int i = 0; i < N; i++){ cin >> a[i]; } int min= a[0]; int max= a[0]; long long sum= a[0]; for(int i = 1; i < N; i++){ sum += a[i]; if(a[i] < min) min = a[i]; if(a[i] > max) max = a[i]; } cout << min << " " << max << " " << sum << endl; }
#include<iostream> int main(void){ int n, min = 1000000, max = -1000000; long long sum = 0; std::cin >> n; if (n == 0) return 0; for (int i = 0; i < n; i++){ int x; std::cin >> x; sum = sum + x; if (min > x) min = x; if (max < x) max = x; } std::cout << min << " " << max << " " << sum << std::endl; return 0; }
1
#include<bits/stdc++.h> using namespace std; #define Bye return 0 #define ll long long const ll MAX = 1e2; void solve(){ string a, b, c; cin>>a>>b>>c; int size_a = a.size(), size_b = b.size(); cout<<(a[size_a-1] == b[0] && b[size_b-1] == c[0] ? "YES" : "NO")<<endl; } int main(){ solve(); Bye; }
#include<stdio.h> int main(){ char a[150]; int x=1; scanf("%[^\n]", a); for (int i=0 ; a[i]!='\0' ; i++){ if (a[i]==' '){ if (a[i-1]==a[i+1]){ continue; } else{ x=0; break; } } } printf("%s\n", x==1 ? "YES" : "NO"); return 0; }
1
#include<bits/stdc++.h> #define rep(i,n) for(int i = 0;i<n;i++) using namespace std; typedef pair<int,int> P; typedef long long ll; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0;} template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0;} int main() { int n; cin >> n; vector<int>a(n+2); for(int i = 1;i<=n;i++) cin >> a[i]; int s = 0; for(int i = 0;i<=n+1;i++) { s += abs(a[i]-a[i+1]); } for(int i = 1;i<=n;i++) { int tmp = abs(a[i-1]-a[i+1]) - abs(a[i-1] - a[i]) -abs(a[i]-a[i+1]); int ans = s + tmp; cout << ans << endl; } }
/* * Author: .-O_O-. */ #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include<bits/stdc++.h> using namespace __gnu_pbds; using namespace std; #define ll long long #define pb push_back #define vi vector<int> #define rep0(a,b) for(int a=0;a<b;a++) #define rep1(a,b) for(int a=1;a<=b;a++) #define repp(a,b,c) for(int a=b;a<c;a++) #define in insert #define len length() #define si size() #define lb lower_bound #define ub upper_bound #define beg begin() #define en end() #define f first #define s second #define pr(a) cout<<a #define pr2(a,b) cout<<a<<" "<<b<<"\n" #define nx cout<<"\n" #define int long long // void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]"<<endl;} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define deb(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define deb(x...) #endif const ll mod = 1000000007; const ll N = 105; const ll mm = 1e+18; void solve() { int n,aa,b; cin>>n>>aa>>b; int ans=0; int a[n]; rep0(i,n) cin>>a[i]; rep1(i,n-1){ ans+=min((a[i]-a[i-1])*aa,b); } pr(ans); } signed main() { ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); int t=1; //cin>>t; rep1(_i,t){ //cout<<"Case #"<<_i<<": "; solve(); //nx; } return 0; }
0
#include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #define maxn 100010 using namespace std; int n,l,q; int a[maxn],tp[maxn][25]; void init(){ int to=1; for(int t=1;t<=n;++t){ while(to<n&&a[t]+l>=a[to+1])to++; tp[t][0]=to; } for(int t=n;t>=1;--t){ for(int i=1;i<=20;++i){ tp[t][i]=tp[tp[t][i-1]][i-1]; } } } bool check(int a,int b,int k){ int now=0; for(int t=20;t>=0;--t){ if(now+(1<<t)<=k){ now+=1<<t; a=tp[a][t]; } } return a>=b; } int getans(int a,int b){ int l=1,r=n,ans=n; while(l<=r){ int mid=(l+r)>>1; if(check(a,b,mid)){ ans=mid; r=mid-1; } else l=mid+1; } return ans; } int main(){ scanf("%d",&n); for(int t=1;t<=n;++t)scanf("%d",&a[t]); scanf("%d%d",&l,&q); init(); for(int t=1;t<=q;++t){ int a,b; scanf("%d%d",&a,&b); if(a>b)swap(a,b); printf("%d\n",getans(a,b)); } }
#include <iostream> #include <vector> using namespace std; void abc_150a(); void abc_151a(); void abc_152a(); void abc_154a(); void abc_156a(); int main() { //abc_150a(); //abc_151a(); //abc_152a(); //abc_154a(); abc_156a(); } void abc_150a() { int K, X; cin >> K >> X; if (500 * K >= X) cout << "Yes\n"; else cout << "No\n"; } void abc_151a() { char C; cin >> C; cout << (char)((int)C + 1) << "\n"; } void abc_152a() { int N, M; cin >> N >> M; if (N == M) cout << "Yes\n"; else cout << "No\n"; } void abc_154a() { string S, T; cin >> S >> T; int a, b; cin >> a >> b; string U; cin >> U; if (S == U) cout << a - 1 << " " << b << "\n"; else cout << a << " " << b - 1 << "\n"; } void abc_156a() { int N, R; cin >> N >> R; if (N >= 10) cout << R << "\n"; else cout << R + 100 * (10 - N) << "\n"; }
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; ll mm=1000000000;ll MM=mm+7; #define rep(i, n) for(int i=0;i<n;i++) #define PI 3.141592653589793 int main(){ int n; cin >> n; VI a(n+2); a[0]=0; a[n+1]=0; for(int i=1;i<=n;i++){ cin >> a.at(i); } ll ro=0; rep(i,n+2){ ro+=abs(a[i]-a[i+1]); } for(int i=1;i<=n;i++){ if((a[i]-a[i-1])*(a[i+1]-a[i])>=0){ cout << ro << endl; } else{ int z=min(abs(a[i]-a[i-1]),abs(a[i+1]-a[i])); cout << ro-2*z << endl; } } }
#include <iostream> #include <vector> #include <cstdio> //2^32/26 = 165191049.846153846153846 = 165191050 #define MAGIC 0x9D89D8A char shift (char c, int amount) { long n; long q ; long r; n = (long) c - 'a' + amount; q = n * MAGIC; q >>= 32; r = n - q * 26; return (char) 'a' + r; } void shiftString (char* s, int amount) { int i = 0; while (s[i]) { if (s[i] == ' ') {} else if (s[i] == '.') {} else { s[i] = shift(s[i], amount); } i++; } } int main(int argc, const char * argv[]) { char buffer[256]; std::string line; std::vector<std::string> listString; int result = 0; std::size_t found; while (std::getline(std::cin, line)) { //sprintf(buffer, "%s", line.c_str()); listString.push_back(line); } std::vector<std::string>::iterator it; it = listString.begin(); do { result = 0; sprintf(buffer, "%s", (*it).c_str()); while (!result) { shiftString(buffer, -1); line = buffer; result = 0; found = line.find("the"); result += found!=std::string::npos; found = line.find("this"); result += found!=std::string::npos; found = line.find("that"); result += found!=std::string::npos; } printf("%s\n", buffer); } while (++it < listString.end()); return 0; }
0
#include<iostream> #include<string> using namespace std; int main() { int a, b; cin >> a >> b; int ans = 0; for (int i = a; i <= b; i++) { string a_tmp, b_tmp; string ch = to_string(i); for (int j = 0; j < ch.size(); j++) { a_tmp.push_back(char(ch[j])); b_tmp.push_back(char(ch[ch.size() - j-1])); } if (a_tmp == b_tmp)ans++; } cout << ans << endl; return 0; }
//include #include <iostream> #include <vector> #include <algorithm> #include <string> #include <cmath> #include <iomanip> #include <math.h> #include <utility> #include <functional> #include <cstdlib> //using using namespace std; using vl = vector <long long>; using vs = vector <string>; using vc = vector <char>; using ll= long long; using vvl = vector<vector<ll> >; //vector<vector<char> > hyou(N, vector<char>(N)); using vd = vector <double>; //define //#define int long long #define rep(i,n) for(int i=0; i<n; i++) #define print(n) cout<<n<<endl; #define sortp(d) sort(d.begin(),d.end()) //1234 #define sortm(d) sort(d.rbegin(),d.rend()) //4321 //素数判定 O(√A) bool is_prime(int x){ if(x<=1) return false; for(int i=2;i*i<=x;i++) if(x%i==0) return false; return true; } /*順列生成 do { // 順列に対する処理 } while (next_permutation(配列変数.begin(), 配列変数.end()));*/ //絶対値 abs() //文字→数字 '0' アルファベット→数字 'a' 'A'が65番,'a'が97番だわ //型キャスト char('a'+1) //reverse 回文 //グローバル変数宣言 ll p=0,q=0,r=0; int main() { ll a,b; cin>>a>>b; //q=stoi(b);p=stoi(a);10000 rep(i,b-a+1){ p=a+i; if((p/10000==p%10)&&(p/1000-(10*(p/10000))==(p%100-p%10)/10)) q++; } print(q) }
1
#include <cstdio> #include <cstdlib> using namespace std; const int mod = 998244353; class inverse { public: inverse(int n, int mod); ~inverse(); long long get_inv(int x); long long get_fact(int x); long long get_invfact(int x); long long get_comb(int x, int y); private: int mod; long long* inv; long long* fact; long long* invfact; }; inverse::inverse(int n, int mod) : mod(mod) { inv = (long long *)malloc(sizeof(long long) * (n + 1)); fact = (long long *)malloc(sizeof(long long) * (n + 1)); invfact = (long long *)malloc(sizeof(long long) * (n + 1)); inv[1] = 1; for (int i = 2; i <= n; i++) inv[i] = inv[mod % i] * (mod - mod / i) % mod; fact[0] = invfact[0] = 1; for (int i = 1; i <= n; i++) fact[i] = fact[i - 1] * i % mod; for (int i = 1; i <= n; i++) invfact[i] = invfact[i - 1] * inv[i] % mod; } inverse::~inverse() { free(inv); free(fact); free(invfact); } long long inverse::get_inv(int x) { return inv[x]; } long long inverse::get_fact(int x) { return fact[x]; } long long inverse::get_invfact(int x) { return invfact[x]; } long long inverse::get_comb(int x, int y) { return fact[x] * invfact[y] % mod * invfact[x - y] % mod; } int main() { int n, m, i; long long ans; inverse inv(3000000, mod); scanf("%d %d", &n, &m); ans = inv.get_comb(m * 3 + n - 1, n - 1); for (i = m * 2 + 1; i <= m * 3; i++) { ans -= inv.get_comb(m * 3 - i + n - 2, n - 2) * n % mod; if (ans < 0) ans += mod; } for (i = m + 1; i <= m * 3 && i <= n; i++) { if ((m * 3 - i) % 2 == 1) continue; ans -= inv.get_comb((m * 3 - i) / 2 + n - 1, n - 1) * inv.get_comb(n, i) % mod; if (ans < 0) ans += mod; } printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> #define F first #define S second #define PB push_back using namespace std; typedef long long LL; typedef pair<int, int> PII; typedef priority_queue<int> HEAP; typedef priority_queue<int, vector<int>, greater<int> > RHEAP; const int N = 200010, M = 1010, mod = 998244353; int n, m, k; int infact[N], fact[N]; int qp(int a, int b) { int res = 1; while (b) { if (b & 1) res = (LL)res * a % mod; a = (LL)a * a % mod; b >>= 1; } return res; } int C(int a, int b) { return (LL)fact[a] * infact[b] % mod * infact[a - b] % mod; } int main() { cin >> n >> m >> k; fact[0] = infact[0] = 1; for (int i = 1; i <= n; i ++ ) { fact[i] = (LL)fact[i - 1] * i % mod; infact[i] = (LL)infact[i - 1] * qp(i, mod - 2) % mod; } int res = 0; for (int i = 0; i <= k; i ++ ) res = (res + (LL)m * C(n - 1, i) % mod * qp(m - 1, n - 1 - i) % mod) % mod; cout << res << endl; return 0; }
0
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) #define printVec(v) printf("{"); for (const auto& i : v) { std::cout << i << ", "; } printf("}\n"); #define degreeToRadian(deg) (((deg)/360)*2*M_PI) #define radianTodegree(rad) (((rad)/2/M_PI)*360) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } using namespace std; using P = pair<int,int>; using ll = long long; const ll INF = 1LL<<60; const int MOD = 1e9 + 7; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; //cin.tie(0);ios::sync_with_stdio(false); //cout << fixed << setprecision(15) << y << endl; int n; vector<vector<int>> a(3); ll solve () { ll ans = 0; rep (j, n) { int tmp = a[1][j]; ll comb = lower_bound(a[0].begin(), a[0].end(), tmp) - a[0].begin(); comb *= a[2].end() - upper_bound(a[2].begin(), a[2].end(), tmp); ans += comb; } return ans; } int main() { while (cin >> n) { rep (i, 3) { a[i].resize(n); rep (j, n) cin >> a[i][j]; sort(a[i].begin(), a[i].end()); } cout << solve() << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define All(a) (a).begin(),(a).end() void solve(){ int n; scanf("%d",&n); vector<int> a(n),b(n),c(n); for(int i=0;i<n;i++){ scanf("%d",&a[i]); } for(int i=0;i<n;i++){ scanf("%d",&b[i]); } for(int i=0;i<n;i++){ scanf("%d",&c[i]); } sort(All(a)); sort(All(b)); sort(All(c)); ll count=0; for (int j = 0; j < n; j++) { auto tmp = lower_bound(All(a),b[j]); auto l=tmp-a.begin(); int tmp2 = c.end()-upper_bound(All(c),b[j]); count+=l*tmp2; } printf("%lld\n",count); } int main(){ /* int q; scanf("%d",&q); while(--q)solve(); */ solve(); return 0; }
1
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC optimize ("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define mod 1000000007 #define pb emplace_back #define mp make_pair #define fi first #define sec second typedef long long ll; typedef long double ld; #define pii pair<ll,ll> #define vi vector< ll > #define vvi vector< vi > #define vpi vector< pii > #define vvpi vector< vpi > #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0) #define test(t) ll t;cin>>t;while(t--) #define mem(a,b) memset(a,b,sizeof(a)) #define inn freopen("input.txt", "r", stdin) #define outt freopen("output.txt", "w", stdout) #define all(arr) arr.begin(),arr.end() #define fr(i,n) for(ll i=0;i<(n);++i) #define rep(i,a,b) for(ll i=a;i<=b;++i) #define per(i,a,b) for(ll i=a;i>=b;i--) #define remin(a,b) (a=min((a),(b))) #define remax(a,b) (a=max((a),(b))) #ifndef ONLINE_JUDGE #define debarr(a,n)cerr<<#a<<":";for(int i=0;i<n;i++)cerr<<a[i]<<" ";cerr<<endl; #define debmat(mat,row,col)cerr<<#mat<<":\n";for(int i=0;i<row;i++){for(int j=0;j<col;j++)cerr<<mat[i][j]<<" ";cerr<<endl;} #define pr(...)dbs(#__VA_ARGS__,__VA_ARGS__) template<class S,class T>ostream &operator<<(ostream &os,const pair<S,T> &p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T>ostream &operator<<(ostream &os,const vector<T> &p){os<<"[";for(auto&it:p)os<<it<<" ";return os<<"]";} template<class T>ostream &operator<<(ostream &os,const set<T>&p){os<<"[";for(auto&it:p)os<<it<<" ";return os<<"]";} template<class T>ostream &operator<<(ostream &os,const multiset<T>&p){os<<"[";for(auto&it:p)os<<it<<" ";return os<<"]";} template<class S,class T>ostream &operator<<(ostream &os,const map<S,T>&p){os<<"[";for(auto&it:p)os<<it<<" ";return os<<"]";} template<class T>void dbs(string str,T t){cerr<<str<<":"<<t<<"\n";} template<class T,class...S>void dbs(string str,T t,S... s){int idx=str.find(',');cerr<<str.substr(0,idx)<<":"<<t<<",";dbs(str.substr(idx+1),s...);} #else #define pr(...){} #define debarr(a,n){} #define debmat(mat,row,col){} #endif ll power(ll x,ll y){ll res = 1;while(y){if(y&1) res = (res*x)%mod;y=y/2,x=(x*x)%mod;}return res%mod;} signed main() { fast; ll n; cin>>n; ll arr[n][n]; ll dp[1<<n]; fr(i,n)fr(j,n)cin>>arr[i][j]; fr(i,1<<n){ vi temp; fr(j,n){ if(i&(1<<j)) temp.pb(j); } dp[i]=0; for(auto v:temp)for(auto u:temp)dp[i]+=arr[u][v]; dp[i]/=2; } rep(i,1,(1<<n)-1){ for(ll j=i;j>0;j=i&(j-1)){ dp[i]=max(dp[i],dp[i^j]+dp[j]); } } cout<<dp[(1<<n)-1]; }
// #pragma GCC optimize("Ofast") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") // #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> using namespace std; #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0) // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include <ext/rope> // using namespace __gnu_pbds; // using namespace __gnu_cxx; // template <typename T> // using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // #define Find order_of_key // #define at find_by_order #define x first #define y second #define ll long long #define lll __int128 #define ull unsigned long long #define ulll unsigned __int128 #define pii pair<int,int> #define pb push_back #define eb emplace_back #define gu getchar_unlocked() #define pu putchar_unlocked() #define all(x) x.begin(),x.end() #define endl '\n' ll arr[20][20]; int n; ll dp[(1<<17)]; ll dp1[(1<<17)]; ll val(int m){ ll &s=dp1[m]; if(~s)return s; s=0; for(int i=0;i<n;i++){ for(int j=i+1;j<n;j++){ if(m&(1<<i) && m&(1<<j)){ s+=arr[i][j]; } } }return s; } ll f(int m){ if(m==0)return 0; ll &ma=dp[m]; if(~ma)return ma; ma=0; for (int s=m; s; s=(s-1)&m){ ma=max(ma,val(s)+f(m^s)); }return ma; } //resub int main() { fast; memset(dp,-1,sizeof dp); memset(dp1,-1,sizeof dp1); cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cin>>arr[i][j]; } }cout<<f((1<<n)-1)<<endl; return 0; }
1
#include<bits/stdc++.h> #define int long long #define endl '\n' #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define bug1( x ) {cerr << (#x) <<"="<< x << endl;} #define bug2( x , y ) {cerr << (#x) <<"="<< (x) << " " << (#y) << "="<< (y) << endl;} #define bug3( x , y , z ) {cerr << (#x) <<"="<<(x) << " " << (#y) <<"="<< (y) << " " << (#z) <<"="<< (z) << endl;} #define bug4( x , y , z , w) {cerr << (#x) <<"="<<(x) << " " << (#y) <<"="<< (y) << " " << (#z) <<"="<< (z) << " " << (#w) <<"="<< w << endl;} #define bug5( x , y , z , w ,p) {cerr << (#x) <<"="<<(x) << " " << (#y) <<"="<< (y) << " " << (#z) <<"="<< (z) << " " << (#w) <<"="<< w << " " << (#p) <<"="<< p << endl;} #define bug6( x , y , z , w ,p , q) {cerr << (#x) <<"="<<(x) << " " << (#y) <<"="<< (y) << " " << (#z) <<"="<< (z) << " " << (#w) <<"="<< w << " " << (#p) <<"="<< p << " " << (#q) <<"="<< q << endl;} #define bugn( x , n ) {cerr << (#x) <<":";for(int i=0;i<n;i++)cerr << x[i] <<" "; cerr << endl;} #define bugnm( x , n , m ) {cerr << (#x)<<endl;for(int i=0;i<n;i++){cerr << "Row #" << i<< ":";for(int j=0;j<m;j++)cerr << x[i][j] << " ";cerr << endl;}} typedef long long ll; typedef long double ld; using namespace std; const int maxn = 1e5+10; vector<int>g[maxn],vis(maxn),dis(maxn),par(maxn),tpl; int n,m; void dfs(int u){ vis[u]=1; for(auto v:g[u]){ if( !vis[v]){ dfs(v); } } tpl.push_back(u); } int32_t main(){ IOS cin>>n>>m; for(int i=1;i<=n-1+m;i++){ int u,v;cin>>u>>v; g[u].push_back(v); } for(int i=1;i<=n;i++){ if( !vis[i] ){ dfs(i); } } reverse(tpl.begin(),tpl.end()); for(int i=0;i<n;i++){ int u = tpl[i]; for(auto v:g[u]){ if( dis[v] < dis[u] + 1){ dis[v] = dis[u] + 1; par[v] = u; } } } for(int i=1;i<=n;i++){ cout << par[i] << endl; } } /* * long long or int? * index out of bound? * Tested on own test case?corner? * Make more general solution. * Read Read Read Read .... */
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; using graph=vector<vector<int>>; void add_directed_edge(graph& G,int u,int v){ G[u].emplace_back(v); } vector<int> topological_order(const graph& D){ int n=D.size(); vector<int> deg(n); rep(u,n) for(int v:D[u]) deg[v]++; vector<int> res; queue<int> Q; rep(u,n) if(deg[u]==0) Q.emplace(u); while(!Q.empty()){ int u=Q.front(); Q.pop(); res.emplace_back(u); for(int v:D[u]) if(--deg[v]==0) Q.emplace(v); } return res; } int main(){ int n,m; scanf("%d%d",&n,&m); m+=n-1; graph G(n); rep(i,m){ int u,v; scanf("%d%d",&u,&v); u--; v--; add_directed_edge(G,u,v); } vector<int> dp(n); for(int u:topological_order(G)){ for(int v:G[u]) dp[v]=max(dp[v],dp[u]+1); } vector<int> ans(n,-1); rep(u,n) for(int v:G[u]) if(dp[v]==dp[u]+1) ans[v]=u; rep(u,n) printf("%d\n",ans[u]+1); return 0; }
1
#include <stdio.h> #include <string.h> int main ( void ) { char str[1000], str2[1000], str3[1000], s[7]; int q, a, b; scanf ( "%s %d", str, &q ); for ( int i = 0; i < q; i++ ) { scanf ( "%s", s ); if ( strcmp ( s, "print" ) == 0 ) { scanf ( "%d %d", &a, &b ); for ( int j = a; j < b + 1; j++ ) { printf ( "%c", str[j] ); } printf ( "\n" ); } else if ( strcmp ( s, "reverse" ) == 0 ) { scanf ( "%d %d", &a, &b ); for ( int j = a, k = b; j < b + 1; j++, k-- ) { str2[k] = str[j]; } for ( int j = a; j < b + 1; j++ ) { str[j] = str2[j]; } } else if ( strcmp ( s, "replace" ) == 0 ) { scanf ( "%d %d %s", &a, &b, str3 ); for ( int j = a, k = 0; j < b + 1; j++, k++ ){ str[j] = str3[k]; } } } return 0; }
#include <bits/stdc++.h> using namespace std; int main(void){ int N; while( cin >> N , N ){ string L[50]; int P[50], A[50], B[50], C[50], D[50], E[50], F[50], S[50], M[50]; vector< pair<double, string> > ans(N); for(int i = 0; i < N; i++){ int time = 0, value = 0; cin >> L[i] >> P[i] >> A[i] >> B[i] >> C[i] >> D[i] >> E[i] >> F[i] >> S[i] >> M[i]; ans[i].second = L[i]; time = A[i] + B[i] + C[i] + (D[i] + E[i]) * M[i]; value = M[i] * F[i] * S[i] - P[i]; ans[i].first = -value / (double)time; } sort(ans.begin(), ans.end()); for(int i = 0; i< N; i++){ cout << ans[i].second << endl; } cout << "#" << endl; } return 0; }
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) using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; using PL = pair<long long, long long>; using Pxy = pair<double, double>; using T = tuple<int, int, bool>; const int INF = 1001001007; const int mod = 1000000007; const int MOD = 998244353; 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(int n){ cout << "Yes" << endl; } void no (int n){ cout << "No" << endl; } int main() { ll n, x; cin >> n >> x; vector<ll> ar(n); rep(i,n) cin >> ar[i]; ll ans = 0; rep(i,n){ ans += max(0LL,ar[i] - x); ar[i] = min(ar[i],x); } rep(i,n-1){ ans += max(0LL,-x + ar[i] + ar[i+1]); ar[i+1] = min(ar[i+1],x - ar[i]); } cout << ans << endl; }
#include <cstdio> #include <vector> #include <cstring> #include <cassert> #include <iostream> #include <algorithm> using namespace std; const int N = 100000; typedef long long ll; #define pb push_back int n, s; int x[N + 5], p[N + 5]; int main() { #ifdef Wearry freopen("in", "r", stdin); freopen("out", "w", stdout); #endif scanf("%d%d", &n, &s); for(int i = 1; i <= n; ++i) { scanf("%d%d", x + i, p + i); } vector<int> res; int l = 1, r = n; ll tl = 0, tr = 0; while(l <= n && x[l] < s && r >= 1 && x[r] > s) { if(tl + p[l] >= tr + p[r]) { tl += tr + p[r]; tr = 0; res.pb(r --); } else { tr += tl + p[l]; tl = 0; res.pb(l ++); } } while(l <= n && x[l] < s) res.pb(l ++); while(r >= 1 && x[r] > s) res.pb(r --); ll ans = 0; for(int i = (int) res.size() - 1; i >= 0; --i) { ans += abs(s - x[res[i]]); s = x[res[i]]; } printf("%lld\n", ans); return 0; }
0
#include <iostream> #include <vector> #include <algorithm> #include <numeric> #include <cmath> using namespace std; int main(void) { int N; cin >> N; vector<int64_t> A(N); for(int i=0; i<N; i++) { cin >> A[i]; } partial_sum(A.begin(), A.end(), A.begin()); int64_t ans = numeric_limits<int64_t>::max(); int64_t P, Q, R, S; int low, mid, high; for(int r=1; r<N-2; r++) { low = 0; high = r; while(low + 1 < high) { mid =(low + high) / 2; if(2*A[mid] <= A[r]) { low = mid; } else { high = mid; } } if(max(A[low], A[r] - A[low]) - min(A[low], A[r] - A[low]) < max(A[high], A[r] - A[high]) - min(A[high], A[r] - A[high])) { P = A[low]; Q = A[r] - A[low]; } else { P = A[high]; Q = A[r] - A[high]; } low = r+1; high = N-1; while(low + 1 < high) { mid =(low + high) / 2; if(2*(A[mid] - A[r]) <= A[N-1] - A[r]) { low = mid; } else { high = mid; } } if(max(A[low] - A[r], A[N-1] - A[low]) - min(A[low] - A[r], A[N-1] - A[low]) < max(A[high] - A[r], A[N-1] - A[high]) - min(A[high] - A[r], A[N-1] - A[high])) { R = A[low] - A[r]; S = A[N-1] - A[low]; } else { R = A[high] - A[r]; S = A[N-1] - A[high]; } ans = min(ans, max({P, Q, R, S}) - min({P, Q, R, S})); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define fi first #define se second #define mp make_pair #define pb push_back #define Task "" using namespace std; typedef long long ll; const int maxn = 2e5 + 5; int a[maxn]; ll sum[maxn]; ll rsum(int l, int r) { return sum[r] - sum[l-1]; } signed main(void) { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); if (fopen("A.INP", "r")){ freopen("A.INP", "r", stdin); freopen("A.OUT", "w", stdout); } if (fopen(Task".INP", "r")){ freopen(Task".INP", "r", stdin); freopen(Task".OUT", "w", stdout); } int N; cin >> N; for (int i=1; i<=N; ++i){ cin >> a[i]; sum[i] = sum[i-1] + a[i]; } int l=1, r=3; ll ret = 1e18; for (int i=2; i<=N-2; ++i){ r = max(r, i+1); while (l<i-1 && rsum(1, l) < rsum(l+1, i)) ++l; if (l > 1 && abs(rsum(1, l-1) - rsum(l, i)) < abs(rsum(1, l) - rsum(l+1, i))) --l; while (r<N-1 && rsum(i+1, r) < rsum(r+1, N)) ++r; if (r > i + 1 && abs(rsum(i+1, r-1) - rsum(r, N)) < abs(rsum(i+1, r) - rsum(r+1, N))) --r; vector<ll> vi; vi.pb(rsum(1, l)); vi.pb(rsum(l+1, i)); vi.pb(rsum(i+1, r)); vi.pb(rsum(r+1, N)); sort(vi.begin(), vi.end()); ret = min(ret, vi[3] - vi[0]); } cout << ret << '\n'; }
1
#include <iostream> #include <algorithm> using namespace std; int a, b; int x[4],y[2]; int ans = 0; int main() { for(int i = 0; i < 4; i++){ cin >> a; x[i] = a; } for(int i = 0; i < 2; i++){ cin >> b; y[i] = b; } sort(x, x+4); sort(y, y+2); reverse(x, x+4); reverse(y, y+2); for(int i = 0; i < 3; i++){ ans += x[i]; } ans += y[0]; cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; int main(void){ int a[4]; for(int i=0;i<4;i++) cin>>a[i]; int e,f; cin>>e>>f; sort(a,a+4,greater<int>()); if(e<f){ cout<<a[0]+a[1]+a[2]+f<<endl; } else{ cout<<a[0]+a[1]+a[2]+e<<endl; } return 0; }
1
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <map> #define ll long long using namespace std; int main(){ ll x; cin>>x; ll d=x/11; ll r=x%11; if(0==r){ cout<<2*d<<endl; }else{ if(r<7){ cout<<2*d+1ll<<endl; }else{ cout<<2*d+2ll<<endl; } } return 0; }
#include <iostream> #include <string> #include <map> #include <string.h> using namespace std; int main(){ map<char,int> ch;//文字の数字辞書登録 ch['I']=1; ch['V']=5; ch['X']=10; ch['L']=50; ch['C']=100; ch['D']=500; ch['M']=1000; int ans=0; int len=0; char s[1111]; while(cin >> s){ len=strlen(s); for(int i=0;i<len;i++){ if(ch[s[i]]<ch[s[i+1]]){//もしも引き算をすべき場合だったら ans-=ch[s[i]]; }else{ ans+=ch[s[i]]; } } cout << ans << endl; ans=0; } }
0
#include <iostream> #include <string> #include <vector> #include <set> #include <iomanip> using ll=long long; using namespace std; int main(){ int N,K; cin>>N>>K; vector<int> P(N+2); for(int i=0;i<N;i++){ cin>>P[i]; } int tmp=0; for(int i=0;i<K;i++){ tmp+=P[i]; } int maxnum=tmp; for(int i=0;i+K<N;i++){ tmp-=P[i]; tmp+=P[i+K]; if(tmp>maxnum){ maxnum=tmp; } } double ans=(maxnum+K)/(double)2; cout<<fixed<<setprecision(7)<<ans<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll N,M,i,a,c = 0;scanf("%lld%lld",&N,&M); map<ll,ll> mp; mp[0] = 1; for(i=0;i<N;i++){ scanf("%lld",&a); c = (c+a) % M; if(mp.find(c) != mp.end()) mp[c]++; else mp[c] = 1; } ll ans = 0; for(auto itr = mp.begin();itr != mp.end();itr++) ans += itr->second*(itr->second-1)/2; printf("%lld\n",ans); }
0
#include <iostream> using namespace std; int table[100][100]; int memo[100][100]; int w, h; int xs, ys, xg, yg; int n; void solve(int xs, int ys, int c) { if( memo[xs][ys] ) { return; } if( !( 0 < xs && xs < w+1 && 0 < ys && ys < h+1 && table[xs][ys] == c ) ) { memo[xs][ys] = 1; return; } if( xs == xg && ys == yg ) { memo[xs][ys] = 1; cout << "OK" << endl; throw "OK"; } memo[xs][ys] = 1; solve(xs+1, ys, c); solve(xs, ys+1, c); solve(xs-1, ys, c); solve(xs, ys-1, c); return; } int main(int argc, char* argv[]) { while(1) { for( int i = 0; i < 100; i++ ) { for( int j = 0; j < 100; j++ ) { table[i][j] = 0; memo[i][j] = 0; } } cin >> w >> h; if( w == 0 && h == 0 ) break; cin >> xs >> ys; cin >> xg >> yg; cin >> n; for( int i = 0; i < n; i++ ) { int c; cin >> c; int d; cin >> d; int x, y; cin >> x >> y; if( d == 0 ) { table[x][y] = c; table[x][y+1] = c; table[x+1][y] = c; table[x+1][y+1] = c; table[x+2][y] = c; table[x+2][y+1] = c; table[x+3][y] = c; table[x+3][y+1] = c; } else { table[x][y] = c; table[x+1][y] = c; table[x][y+1] = c; table[x+1][y+1] = c; table[x][y+2] = c; table[x+1][y+2] = c; table[x][y+3] = c; table[x+1][y+3] = c; } } try { if( table[xs][ys] ) solve(xs, ys, table[xs][ys]); cout << "NG" << endl; } catch(...) { } } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> x(n); for (int i = 0; i < n; i++) cin >> x[i]; int l; cin >> l; vector<vector<int>> dbl(21, vector<int>(n, 0)); for (int i = 0; i < n; i++) { int ni = upper_bound(begin(x), end(x), x[i] + l) - begin(x) - 1; dbl[0][i] = ni; } for (int i = 0; i < 20; i++) { for (int j = 0; j < n; j++) { dbl[i + 1][j] = dbl[i][dbl[i][j]]; } } int q; cin >> q; while (q--) { int a, b; cin >> a >> b, a--, b--; if (a > b) swap(a, b); int cur = a; int ans = 0; for (int i = 20; i >= 0; i--) { if (dbl[i][cur] >= b) continue; cur = dbl[i][cur]; ans += 1 << i; } cout << ans + 1 << endl; } }
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#include<bits/stdc++.h> using namespace std; long long mod = 1e9 + 7; vector<long long>fact(200550); long long bigmod(long long a, long long p){ if(p == 0){ return 1; } long long ans = bigmod(a, p/2); ans = (ans * ans) % mod; if(p % 2 == 1){ ans = (ans * a) % mod; } return ans; } long long per(long long a, long long b){ long long cur = (fact[b] * fact[a]) % mod; cur = bigmod(cur, mod - 2); cur = (cur * fact[a + b]) % mod; return cur; } int main(){ long long h, w, a, b; cin >> h >> w >> a >> b; long long ans = 0; fact[0] = 1; for(long long i = 1; i <= 200010; i++){ fact[i] = (fact[i - 1] * i) % mod; } long long p = h - a, q = b + 1; while(p >= 1 && q <= w){ ans = (ans + (per(p - 1, q - 1) * per(h - p, w - q)) % mod) % mod; p--; q++; } cout << ans; return 0; }
/*-------------------------------- Author: The Ace Bee Blog: www.cnblogs.com/zsbzsb This code is made by The Ace Bee --------------------------------*/ #include <algorithm> #include <iostream> #include <cstring> #include <cstdlib> #include <cstdio> #include <cctype> #include <cmath> #include <ctime> #define rg register using namespace std; template < typename T > inline void read(T& s) { s = 0; int f = 0; char c = getchar(); while (!isdigit(c)) f |= (c == '-'), c = getchar(); while (isdigit(c)) s = s * 10 + (c ^ 48), c = getchar(); s = f ? -s : s; } const int p = 1000000007; const int _ = 500010; int n, m, a, b, fac[_], inv[_]; inline void pre() { fac[0] = inv[0] = inv[1] = 1; for (rg int i = 1; i < _; ++i) fac[i] = 1ll * i * fac[i - 1] % p; for (rg int i = 2; i < _; ++i) inv[i] = 1ll * (p - p / i) * inv[p % i] % p; for (rg int i = 1; i < _; ++i) inv[i] = 1ll * inv[i - 1] * inv[i] % p; } inline int C(int n, int m) { return 1ll * fac[n] * inv[n - m] % p * inv[m] % p; } inline int calc(int i1, int j1, int i2, int j2) { return C(i2 - i1 + j2 - j1, i2 - i1); } int main() { pre(); read(n), read(m), read(a), read(b); int res = 0; for (rg int i = 1; i <= n - a; ++i) res = (res + 1ll * calc(1, 1, i, b) * calc(i, b + 1, n, m) % p) % p; printf("%d\n", res); return 0; }
1
#include <iostream> using namespace std; int main() { int n,a,b,pa,pb; while(pa=pb=0,cin>>n,n){ for(;n;--n){ cin>>a>>b; if(a>b)pa+=(a+b); else if(a<b)pb+=(a+b); else pa+=a,pb+=b; } cout<<pa<<" "<<pb<<endl; } return 0; }
#include<bits/stdc++.h> typedef long long ll; typedef long double ld; #define n1 "\n" #define B begin() #define E end() #define F first #define S second #define pb push_back #define pf push_front #define popb pop_back() #define popf pop_front() const int BIG=1e5+55; const int BIGG=1e9+7; const ll BIGGE=1e12+55; const double SML=(1e-7); using namespace std; int a[5]; bool go = 0; void dp(int i, int sum, string s) { if (go || i > 3) return; if (sum == 7 && i == 3) { go = 1; cout <<s <<'=' <<7; return; } string ans = s , an = s; ans += '-'; ans += (a[i+1] + '0'); if (i != -1) an += '+'; an += (a[i+1] + '0'); if (i != -1) dp(i+1 , sum-a[i+1] ,ans); dp(i+1 , sum+a[i+1] ,an); } int main() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); for (int i=0; i<4; i++) { char c; cin >>c; a[i] = c - '0'; } dp(-1,0,""); return 0; }
0
#include <bits/stdc++.h> using namespace std; #define int long long #define ii pair<int,int> #define fi first #define sc second #define all(x) (x).begin(),(x).end() void MAIN() { int n; cin >> n; vector<vector<int>> a(3, vector<int>(n)); vector<vector<int>> d(3, vector<int>(n)); for (auto &i : a) { for (auto &j : i) cin >> j; sort(all(i)); } for (int i = n - 1; i >= 0; i--) { d[2][i] = 1; if (i != n - 1) d[2][i] += d[2][i + 1]; } for (int i = 1; i >= 0; i--) { for (int j = n - 1; j >= 0; j--) { int p = upper_bound(all(a[i + 1]), a[i][j]) - a[i + 1].begin(); if (p != n) d[i][j] = d[i + 1][p]; if (j != n - 1) d[i][j] += d[i][j + 1]; } } cout << d[0][0] << '\n'; } signed main() { #ifdef _DEBUG // freopen("in" , "r", stdin ); #endif ios::sync_with_stdio(0); cin.tie(0); int T = 1; // cin >> T; while (T--) MAIN(); }
#include <bits/stdc++.h> using namespace std; #define _GLIBCXX_DEBUG #define rep(i, from, to) for (int i = from; i < (to); ++i) #define mp(x,y) make_pair(x,y) #define all(x) (x).begin(),(x).end() #define sz(x) (int)(x).size() #define pb push_back using ll = long long; using vin=vector<int>; using vll=vector<ll>; using P = pair<int, int>; const int inf=1e9+7; const ll INF=1e18; template <typename T> void chmin(T &a, T b) { a = min(a, b); } template <typename T> void chmax(T &a, T b) { a = max(a, b); } int main() { int n; cin>>n; vin a(n),b(n),c(n); rep(i,0,n)cin>>a[i];rep(i,0,n)cin>>b[i];rep(i,0,n)cin>>c[i]; sort(all(a));sort(all(b));sort(all(c));reverse(all(c)); ll ans=0; rep(i,0,n){ int m=b[i]; //二分探索 ll acnt=0; int ok=-1,ng=n; while(ng-ok>1){ int mid=ok+(ng-ok)/2; if(a[mid]<m)ok=mid; else ng=mid; } acnt=ok+1; ll ccnt=0; ok=-1,ng=n; // cout<<m<<endl; while(ng-ok>1){ // if(m==2)cout<<ok<<" "<<ng<<endl; int mid=ok+(ng-ok)/2; if(c[mid]>m)ok=mid; else ng=mid; } ccnt=ok+1; // cout<<acnt<<" "<<ccnt<<endl; ans+=acnt*ccnt; } cout<<ans<<endl; }
1
#include <iostream> #include <queue> #include <utility> using namespace std; int a[100][100]; bool r[100]; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin>>n; for(int i=0; i<n; i++) { for(int j=0; j<n; j++) { cin>>a[i][j]; } } priority_queue<pair<int,int>, vector<pair<int,int> >, greater<pair<int,int> > >q; q.push(make_pair(0,0)); int cost=0; pair<int,int> e; while(!q.empty()) { e=q.top(); q.pop(); if(r[e.second]) continue; r[e.second]=true; cost+=e.first; for(int i=0; i<n; i++) { if(a[e.second][i]!=-1) q.push(make_pair(a[e.second][i], i)); } } cout<<cost<<'\n'; return 0; }
#include <iostream> #include <vector> #include <queue> #define to first #define cost second const int inf=1e9+7; using namespace std; int main(){ int n,tmp,r=0,flag[100]={},v=0; cin>>n; vector <pair<int,int> > gl[n]; priority_queue <pair<int,int> ,vector<pair<int,int> >, greater<pair<int,int> > >q; //for(int i=1;i<n;i++) mincost[i]=inf; for(int i=0;i<n;i++) for(int j=0;j<n&&cin>>tmp;j++) if(tmp!=-1) gl[i].push_back(make_pair(j,tmp)); int now=0; for(int j=0;j<n-1;j++){ for(int i=0;i<gl[now].size();i++) if(!flag[gl[now][i].to]) q.push(make_pair(gl[now][i].cost,gl[now][i].to)); flag[now]=1; for(;flag[q.top().second];) q.pop(); //if(q.empty()) break; r+=q.top().first; now=q.top().second; q.pop(); } cout<<r<<endl; return 0; }
1
/**Lucky Boy**/ #include <bits/stdc++.h> #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define FORD(i, a, b) for (int i = (a); i >= (b); --i) #define pb push_back #define mp make_pair #define F first #define S second #define maxc 1000000007 #define maxn 100005 #define maxm 1000006 #define pii pair <int,int> #define Task "" template <typename T> inline void read(T &x){char c;bool nega=0;while((!isdigit(c=getchar()))&&(c!='-'));if(c=='-'){nega=1;c=getchar();}x=c-48;while(isdigit(c=getchar())) x=x*10+c-48;if(nega) x=-x;} template <typename T> inline void writep(T x){if(x>9) writep(x/10);putchar(x%10+48);} template <typename T> inline void write(T x){if(x<0){putchar('-');x=-x;}writep(x);putchar(' ');} template <typename T> inline void writeln(T x){write(x);putchar('\n');} using namespace std; int n,gt[maxn << 1],ans,cur; int main() { ios_base::sync_with_stdio(NULL);cin.tie(NULL);cout.tie(NULL); //freopen(Task".inp", "r",stdin); //freopens(Task".out", "w",stdout); cin >> n; n <<= 1; gt[0] = 1; FOR(i,1,n) gt[i] = (1ll*gt[i-1]*i) % maxc; ans = gt[n / 2]; FOR(i,1,n) { int x; char c; cin >> c; x = (c == 'W'); if (x) { if (cur & 1) { ++cur; } else { ans = (1ll*ans*cur) % maxc; --cur; } } else { if (cur & 1) { ans = (1ll*ans*cur) % maxc; --cur; } else { ++cur; } } } if (cur) ans = 0; cout << ans; return 0; }
#include <algorithm> #include <iostream> #include <string.h> #include <cstdlib> #include <vector> #include <string> #include <bitset> #include <math.h> #include <queue> #include <stack> #include <set> #include <map> typedef long long ll; typedef long double ld; const ll MOD = 1e9 + 7, INF = 1e18 + 1; using namespace std; ll er[1000001], p[1000000], ptr, n, d[1000][1000]; ll gcd (ll a, ll b) { if (!b) return a; else return gcd (b, a % b); } int main () { for (ll i = 2; i <= 1000000; i++) if (!er[i]) { p[ptr++] = i; for (ll j = i * i; j <= 1000000; j += i) er[j] = 1; } cin >> n; for (int i = 0; i < 2 * n; i += 2) for (int j = 0; i + j < 2 * n; j++) d[j][i + j] = p[i / 2]; for (int i = 2; i < 2 * n; i += 2) for (int j = 0; i + j < 2 * n; j++) d[i + j][j] = p[i / 2 + (n + 1) / 2 - 1]; for (int i = 0; i < 2 * n; i += 2) for (int j = 0; i >= j; j++) d[i - j][j] *= p[i / 2 + n]; ll mx = 0; if (n == 2) { printf ("4 7\n23 10"); return 0; } for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (!d[i][j]) { ll lcm = 1; if (j) lcm = lcm / gcd (lcm, d[i][j-1]) * d[i][j-1]; if (j < n - 1) lcm = lcm / gcd (lcm, d[i][j+1]) * d[i][j+1]; if (i) lcm = lcm / gcd (lcm, d[i-1][j]) * d[i-1][j]; if (i < n - 1) lcm = lcm / gcd (lcm, d[i+1][j]) * d[i+1][j]; d[i][j] = lcm + 1; } printf ("%lld ", d[i][j]); } putchar ('\n'); } }
0
#include <bits/stdc++.h> using namespace std; int main() { int N, M; cin >> N >> M; vector<int> wa(N + 5, 0); for (int i = 0; i < M; i++) { int p; string s; cin >> p >> s; if (wa[p] >= 0 && s == "WA") wa[p]++; else if (wa[p] >= 0 && s == "AC") wa[p] = wa[p] * (-1) - 1; } int ac = 0, penalty = 0; for (auto a: wa){ if (a < 0) { penalty += (a + 1) * (-1); ac++; } } cout << ac << " " << penalty << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll INF = 1e18; const int inf = 1e9; #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, b, a) for (int i = a - 1; i >= b; i--) using Graph = vector<vector<int>>; using pint = pair<int, int>; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; int dxx[8] = {1, 1, 1, 0, 0, -1, -1, -1}, dyy[8] = {-1, 0, 1, -1, 1, -1, 0, 1}; int main() { int d, g; cin >> d >> g; int p[d], c[d]; rep (i, 0, d) cin >> p[i] >> c[i]; // 全完するものをbitで表す int ans = inf; rep (bit, 0, 1 << d) { int sum = 0, cnt = 0; rep (i, 0, d) { if (bit & 1 << i) { sum += (i + 1) * 100 * p[i] + c[i]; cnt += p[i]; } } if (sum >= g) { ans = min (ans, cnt); } else { per (i, 0, d) { if (1 << i & bit) continue; int res = (g - sum) / (100 * (i + 1)); if (res * 100 * (i + 1) + sum < g) res++; if (res > p[i]) break; cnt += res; sum += res * 100 * (i + 1); break; } if (sum >= g) ans = min (ans, cnt); } } cout << ans << "\n"; }
0
#include <bits/stdc++.h> using namespace std; int main() { while(1){ int h,w; cin >> h >> w; int diagonal = h*h + w*w; if(h==0 && w==0) break; pair<int,int> ans = make_pair(500,500); //first = h , second = w for(int i=1; i<151; i++){ for(int j=i+1; j<151; j++){ int check_rect_diagonal = i*i + j*j; if(diagonal < check_rect_diagonal || (diagonal == check_rect_diagonal && h < i)){ int ans_h = ans.first; int ans_w = ans.second; int ans_rect_diagonal = ans_h*ans_h + ans_w*ans_w; if(check_rect_diagonal < ans_rect_diagonal || (check_rect_diagonal == ans_rect_diagonal && i < ans_h )){ ans = make_pair(i,j); } } } } cout << ans.first << " " << ans.second << endl; } return 0; }
//2004 366 1/1 Thursday #include <cstdio> using namespace std; void today(int mon, int day); int main() { int mon, day; while (1){ scanf("%d %d", &mon, &day); if (mon == 0){ break; } today(mon, day); } return (0); } void today(int mon, int day) { int tmp = 0; for (int i = 1; i < mon; i++){ if (i == 4 || i == 6 || i == 9 || i == 11){ tmp += 30; } else if (i == 2){ tmp += 29; } else { tmp += 31; } } switch ((tmp + day) % 7){ case 0: puts("Wednesday"); break; case 1: puts("Thursday"); break; case 2: puts("Friday"); break; case 3: puts("Saturday"); break; case 4: puts("Sunday"); break; case 5: puts("Monday"); break; case 6: puts("Tuesday"); break; } }
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#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) typedef long long ll; int main(void) { int h,w,ans = 0; int dx[4] = {-1,0,1,0},dy[4] = {0,-1,0,1}; bool flag = true; cin >> h >> w; string s[h]; rep(i,h) cin >> s[i]; rep(i,h){ rep(j,w){ if(s[i][j] == '#'){ flag = false; for(int a = 0;a < 4;a++){ if(i+dx[a] >= 0 && i+dx[a] < h && j+dy[a] >= 0 && j+dy[a] < w && s[i+dx[a]][j+dy[a]] == '#') flag = true; } if(flag == false){ cout << "No" << endl; return 0; } } } } cout << "Yes" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int n, k; cin >> n >> k; vector<int> a(n); for(int i = 0; i < n; i++){ cin >> a[i]; } for(int i = 0; i < min(k, 50); i++){ vector<int> imos(n); //I'll begin the imos method for(int j = 0; j < n; j++){ int l = max(0, j-a[j]); int r = min(n-1, j+a[j]); imos[l]++; if(r+1 <= n-1){ imos[r+1]--; } } for(int k = 0; k < n; k++){ if(k > 0){ imos[k] += imos[k-1]; } } for(int l = 0; l < n; l++){ a[l] = imos[l]; } //a = imos; } for(int i = 0; i < n; i++){ cout << a[i] << " "; } }
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#include <bits/stdc++.h> using namespace std; int main(){ int n,q; while(cin >> n && n != 0){ cin >> q; map<int,int> d; for(int i = 0;i < n; i++){ int m; cin >> m; for(int j = 0; j < m; j++){ int t; cin >> t; if(d.find(t) != d.end()){ d[t]++; } else{ d[t] = 1; } } } int ans = 0, num = 0; for(map<int,int>::iterator it = d.begin(); it != d.end(); it++){ if(it->second > num){ ans = it->first; num = it->second; } } if(num < q){ cout << 0 << endl; } else cout << ans << endl; } return 0; }
#include <iostream> #include <vector> using namespace std; int main(){ int n, q; while(true){ cin >> n >> q; if(n == 0) break; int m; vector< vector<int> > sch(n, vector<int>(101, 0)); for(int i=0; i<n; i++){ cin >> m; for(int j=0; j<m; j++){ int temp; cin >> temp; sch[i][temp] = 1; } } int ans, nmax = 0; for(int i=0; i<101; i++){ int sum = 0; for(int j=0; j<n; j++){ sum += sch[j][i]; } if(sum > nmax){ ans = i; nmax = sum; } } if(nmax < q) ans = 0; cout << ans << endl; } return 0; }
1
#include <bits/stdc++.h> #include <string> #include <vector> #define rep(i,n) for (int i = 0;i < (n); ++i) using namespace std; using ll = long long; using P = pair<int,int>; int main(){ int sx,sy,tx,ty; cin >> sx >> sy >> tx >> ty; string f="",b=""; rep(i,ty-sy)f.push_back('U'); rep(i,tx-sx)f.push_back('R'); rep(i,ty-sy)b.push_back('D'); rep(i,tx-sx)b.push_back('L'); cout << f << b << "LU" << f <<"RDRD" << b << "LU"<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; void solve(long long sx, long long sy, long long tx, long long ty){ ll dx = (tx - sx); ll dy = (ty - sy); string ans = ""; ans = ans + string(dy, 'U') + string(dx, 'R'); ans = ans + string(dy, 'D') + string(dx, 'L'); ans = ans + 'L' + string(dy+1, 'U') + string(dx+1, 'R') + 'D'; ans = ans + 'R' + string(dy+1, 'D') + string(dx+1, 'L') + 'U'; cout << ans << endl; return; } int main(){ long long sx; scanf("%lld",&sx); long long sy; scanf("%lld",&sy); long long tx; scanf("%lld",&tx); long long ty; scanf("%lld",&ty); solve(sx, sy, tx, ty); return 0; }
1
//2015 #include<iostream> #include<algorithm> #include<functional> using namespace std; int main(void){ int i,ad[4]={0},e=0,f=0,sum=0; for(i=0;i<4;i++){ cin>>ad[i]; } cin>>e; cin>>f; sort(ad,ad+4,greater<int>());//降順,昇順==sort(ad,ad+4); for(i=0;i<3;i++){ sum+=ad[i]; } if(e<f){ sum+=f; } else{ sum+=e; } cout<<sum<<endl; return 0; }
/** * author: zvm * created: 25.09.2020 13:51:29 **/ #include <bits/stdc++.h> using namespace std ; typedef long long int ll ; const ll INF = 1e18 ; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n ; cin >> n ; vector<int> a(n), b(n), c(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 ) { cin >> c[i] ; } sort(a.begin(),a.end()); sort(b.begin(),b.end()); sort(c.begin(),c.end()); vector<pair<int,ll>> good(n); for( int i = 0 ; i < n ; ++i ) { good[i].first = b[i] ; good[i].second = c.end() - upper_bound(c.begin(),c.end(),b[i]) ; } for( int i = n-2 ; i >= 0 ; --i ) { good[i].second += good[i+1].second ; } ll ans = 0 ; for( int i = 0 ; i < n ; ++i ) { pair<int,ll> to_find{a[i],INF}; auto pos = upper_bound(good.begin(),good.end(),to_find) ; if( pos != good.end() ) { ans += (*pos).second ; } } cout << ans << endl ; }
0
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define reps(i,n) for(int i=1;i<(int)(n);i++) typedef long long ll; using namespace std; ll gcd(ll a, ll b) { //最大公約数 if (b==0) return a; else return gcd(b, a%b); } ll lcm(ll a, ll b) { //最小公倍数 return a * b / gcd(a, b); } ll digit_sum(ll a){ //10進桁和 ll ans=0; while(a>0){ ans+=a%10; a/=10; } return ans; } int main() { ll n,m,X,Y,x[110],y[110]; cin>>n>>m>>X>>Y; rep(i,n)cin>>x[i]; rep(i,m)cin>>y[i]; for(ll i=X+1;i<=Y;i++){ ll tmp1=0,tmp2=0; rep(j,n){ if(x[j]>=i){ tmp1++; } } rep(k,m){ if(y[k]<i){ tmp2++; } } if(tmp1==0&&tmp2==0){ cout<<"No War"<<endl; return 0; } } cout<<"War"<<endl; return 0; }
#include <bits/stdc++.h> #define _GLIBCXX_DEBUG #define rep(i,n) for(int i=0;i<(n);++i) #define repi(i,a,b) for(int i=int(a);i<int(b);++i) #define all(x) (x).begin(), (x).end() #define PI 3.14159265358979323846264338327950L using namespace std; typedef long long ll; typedef long double ld; int main() { int n,m,x,y; cin>>n>>m>>x>>y; int maxx=x,miny=y,xd,yd; rep(i,n){ cin>>xd; maxx=max(maxx,xd); } rep(i,m){ cin>>yd; miny=min(miny,yd); } if(maxx<miny) cout<<"No War"; else cout<<"War"; }
1
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int result; result = 0; int resultnow; resultnow = 100; int a; for (int i = 0; i < n; i++) { cin >> a; result = 0; while (a%2==0) { a=a/2; result=result+1; } resultnow = min(result,resultnow); } cout << resultnow << endl; }
#include <bits/stdc++.h> #include <iomanip> // setprecision using namespace std; using ll = long long; int main() { int n; cin >> n; // 辺を何回使うか = x // // ### 全ての辺についての x の総和 // sigma(x) // 辺 // = 辺1のx + 辺2のx + ... 辺nのx // = 辺の本数 * x // ### n 個の町から2個を選び、その間にできる辺の数を数える // ### n=3 の場合、3C2 = (3*2) / (2*1) = 3 で、辺の本数は3本となる // = nC2 * x ... (a) // // ### n=3 の場合、3点を結ぶ辺は2本になる。そのため (n-1) // ### 町を巡回する経路は n! = 3*2*1 = 6通りある。 // = (n-1) * n! ... (b) // // ### (a) (b) より // // nC2 * x = (n-1) * n! // x = ((n-1) * n!) / nC2 // x = ((n-1) * n!) / (n*(n-1) / (2*1)) // x = 2((n-1) * n!) / (n*(n-1)) // x = 2 * (n-1)! // vector<int> x(n), y(n); for (int i = 0; i < n; i++) { cin >> x.at(i) >> y.at(i); } // [&] 参照キャプチャ、vectorコンテナ x, y を lambda 式内で参照している auto dist = [&](int i, int j) { double dx = x.at(i) - x.at(j); double dy = y.at(i) - y.at(j); return sqrt(dx*dx + dy*dy); }; // 全パターンの辺の長さの和を求める double len = 0; for (int i = 0; i < n; i++) { for (int j = i+1; j < n; j++) { // 特定2点の辺の長さ len += dist(i, j); } } // 辺の利用回数 int num = 2; for (int i = 1; i <= (n-1); i++) { num = num * i; } // 巡回のパターン数 int cnt = 1; for (int i = 1; i <= n; i++) { cnt = cnt * i; } // ### 入力例1の場合 // len = (1,2) の辺の長さ + (2,3) の辺の長さ + (3,1) の辺の長さ // num = 全パターンの巡回を行った際、各辺の利用回数 = 4 // len * num = 全パターンの巡回を行った際の辺の長さの和 // // cnt = 巡回のパターン数 // (len * num) / cnt = 1パターンごとの経路の平均値 // // // ### 経路の長さの平均値である ans を算出する数式を整理する // // x = 2 * (n-1)! // // ans = (各辺の長さの和 * 1辺ごとの利用回数) / パターン数 // = (sigma(len) * (2 * (n-1)!)) / n! // = (sigma(len) * 2) / n // // これより、以下の式でもOK // double ans = (len * 2) / n; // これより平均値 double ans = (len * num) / cnt; printf("%.10f\n", ans); return 0; }
0
#include<bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using P = pair<int,int>; #define rep(i,n) for(ll i = 0;i < (ll)n;i++) #define ALL(x) (x).begin(),(x).end() #define MOD 1000000007 const ll mod = 998244353; ll modpow(ll n,ll r){ ll res = 1; while(r){ if(r & 1)res = res*n%mod; n = n*n%mod; r >>= 1; } return res; } int main(){ int n; cin >> n; vector<int> v(n,0); bool is = true; rep(i,n){ int x;cin >> x; v[x]++; if(i == 0 && x != 0)is =false; } int mx = 0; rep(i,n)if(v[i] != 0)mx = i; ll res = 1; for(int i = 1;i <= mx;i++)(res *= modpow(v[i-1],v[i]))%=mod; if(v[0] != 1 || !is)res = 0; cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> L(N); for(int i = 0; i < N; i++) cin >> L.at(i); int total = 0; if(N < 3) cout << "0" << endl; else { for(int i = 0; i < N - 2; i++) { for(int j = i + 1; j < N - 1; j++) { for(int k = j + 1; k < N; k++) { if(L.at(i) == L.at(j) || L.at(j) == L.at(k) || L.at(k) == L.at(i)) { continue; } if(L.at(i) + L.at(j) > L.at(k) && L.at(i) + L.at(k) > L.at(j) && L.at(j) + L.at(k) > L.at(i)) { total++; } } } } cout << total << endl; } }
0
#include<bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); i++) #define ll long long using namespace std; int main(){ string s; int w; cin>>s>>w; rep(i,s.size()) if(i%w==0)cout<<s[i]; return 0; }
#include <bits/stdc++.h> using namespace std; int main() {int A, B; cin >> A >> B; cout << (B + A - 3) / (A - 1);}
0
#include <iostream> #include <algorithm> #include <vector> #include <iomanip> #include <map> #include <cmath> #include <queue> using namespace std; using i64 = int64_t; #define rep(i, j, n) for(int i = (j); i < (n); ++i) #define rrep(i, j, n) for(int i = (n) - 1; (j) <= i; --i) constexpr i64 MOD = 1000000007; constexpr i64 INF = 1LL << 60; string s[55]; int dx[4] = { 0, 1, 0, -1 }; int dy[4] = { 1, 0, -1, 0 }; int main() { cin.tie(0); ios_base::sync_with_stdio(0); int h, w; cin >> h >> w; rep(i, 0, h) cin >> s[i]; rep(i, 0, h) rep(j, 0, w) { if (s[i][j] == '.') continue; bool ok = false; rep(k, 0, 4) { int nx = j + dx[k]; int ny = i + dy[k]; if (0 <= nx && nx < w && 0 <= ny && ny < h) { if (s[ny][nx] == '#') ok = true; } } if (!ok) { cout << "No"; return 0; } } cout << "Yes"; return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long const int maxn=1000010; int x,n,fl,ans; char s[maxn],t[maxn]; queue<int>q; signed main() { cin>>n>>s+1>>t+1; for(int i=1;i<=n;i++)if(s[i]!=t[i]){fl=1;continue;} if(!fl)puts("0"),exit(0); int x=n,y=n; while(y) { while(y>1&&t[y]==t[y-1])y--; while(x>0&&(x>y||s[x]!=t[y]))x--; if(x<=0)puts("-1"),exit(0); while (!q.empty()&&q.front()-q.size()>=y)q.pop(); if(x!=y)q.push(x); ans=max(ans,(int)q.size()+1); y--; } cout<<ans; }
0
#pragma GCC optimize(3,"Ofast","inline") #include<bits/stdc++.h> using namespace std; const int N=5e5+10; int cnt[N],ans[N],a[N]; int n,q,bl; int res; struct node { int l,r,p; }e[N]; bool cmp(const node &a,const node &b) { return (a.l/bl)==(b.l/bl) ? a.r<b.r :a.l>b.l; } void remove(int x) { if((--cnt[a[x]])==0) res--; } void add(int x) { if((++cnt[a[x]])==1) res++; } int main() { scanf("%d %d",&n,&q); for(int i=1;i<=n;i++) scanf("%d",&a[i]); bl=sqrt(n); for(int i=1,l,r;i<=q;i++) { scanf("%d %d",&l,&r); e[i]={l,r,i}; } // cout<<"--------------"<<endl; sort(e+1,e+1+q,cmp); // cout<<"*****"<<endl; res=0; int curL=1,curR=0; for(int i=1;i<=q;i++) { //cout<<i<<endl; int L=e[i].l,R=e[i].r; while(curL<L) remove(curL++); while(curL>L) add(--curL); while(curR<R) add(++curR); while(curR>R) remove(curR--); ans[e[i].p]=res; } for(int i=1;i<=q;i++) printf("%d\n",ans[i]); }
#ifndef _TEMPLATE_ROOT #define _TEMPLATE_ROOT #include "bits/stdc++.h" using namespace std; #define rep(i, a, b) for(int i = a; i < (b); ++i) #define repl(i, a, b) for(ll i = a; i < (b); ++i) #define repd(i, a, b) for(int i = a; i >= (b); --i) #define repdl(i, a, b) for(ll i = a; i >= (b); --i) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; template<typename H> bool chmin(H& v1, const H v2) { if (v1 > v2) { v1 = v2; return true; } return false; } template<typename H> bool chmax(H& v1, const H v2) { if (v1 < v2) { v1 = v2; return true; } return false; } #endif #ifndef _TEMPLATE_IO #define _TEMPLATE_IO template<typename H> void read(H& head) { cin >> head; } template<typename H, typename ...T> void read(H& head, T& ...tail) { cin >> head; read(tail...); } template<typename H> void write(H head) { cout << head << '\n'; } template<typename H, typename ...T> void write(H head, T ...tail) { cout << head << " "; write(tail...); } template<typename ...T> void writef(T ...tail) { write(tail...); cout << flush; } template<typename ...T> void die(T ...tok) { write(tok...); exit(0); } template<typename T> ostream& operator<<(ostream& out, const vector<T>& v) { if (v.size()) { rep(i, 0, sz(v) - 1) out << v[i] << " "; out << v.back(); } return out; } #endif #ifndef _TEMPLATE_SEGTREE #define _TEMPLATE_SEGTREE #ifndef _TEMPLATE_MONOID #define _TEMPLATE_MONOID template<class T> struct Monoid { T id; virtual T op(T a, T b) = 0; }; #endif template<typename T, typename M, typename = enable_if<is_base_of<Monoid<T>, M>::value>> struct SegTree { M monoid; vector<T> tree; int size; SegTree(vector<T> elems, M monoid) : size(elems.size()), monoid(monoid) { tree = vector<T>(2 * size); for (int i = 0; i < size; i++) tree[size + i] = elems[i]; build(); } SegTree(int size, M monoid) : size(size), monoid(monoid) { tree = vector<T>(2 * size, monoid.id); build(); } void build() { for (int i = size - 1; i > 0; --i) tree[i] = monoid.op(tree[i << 1], tree[i << 1 | 1]); } T query(int l, int r) { T resl = monoid.id, resr = monoid.id; ++r; // handle inclusive query range for (l += size, r += size; l < r; l >>= 1, r >>= 1) { if (l & 1) resl = monoid.op(resl, tree[l++]); if (r & 1) resr = monoid.op(tree[--r], resr); } return monoid.op(resl, resr); } T get(int p) { return tree[size + p]; } void update(int p, T val) { for (tree[p += size] = val; p >>= 1;) tree[p] = monoid.op(tree[p << 1], tree[p << 1 | 1]); } }; #endif using namespace std; struct Query { int l, r, id, ans; }; struct SegTreeAdd : public Monoid<int> { int id = 0; int op(int a, int b) { return a + b; } }; int n, q; int c[500005]; Query p[500005]; int lst[500005]; int main() { cin.tie(0)->sync_with_stdio(0); cin.exceptions(cin.failbit); read(n, q); rep(i, 1, n + 1) read(c[i]); rep(i, 1, q + 1) read(p[i].l, p[i].r), p[i].id = i; sort(p + 1, p + q + 1, [](const Query& p1, const Query& p2) { return p1.r < p2.r; }); SegTree<int, SegTreeAdd> segtree(n + 1, SegTreeAdd()); int curr = 0; rep(i, 1, q + 1) { while (p[i].r > curr) { ++curr; if (lst[c[curr]]) segtree.update(lst[c[curr]], 0); lst[c[curr]] = curr; segtree.update(lst[c[curr]], 1); } p[i].ans = segtree.query(p[i].l, p[i].r); } sort(p + 1, p + q + 1, [](const Query& p1, const Query& p2) { return p1.id < p2.id; }); rep(i, 1, q + 1) write(p[i].ans); }
1
#include <iostream> #include <cstdio> #include <algorithm> using namespace std; int main() { int n; cin >> n; int i = 1; while (++i <= n) { int x = i; if (x % 3 == 0) { cout << ' ' << i; } else{ while (x > 0) { if (x % 10 == 3) { cout << ' ' << i; break; } x /= 10; } } } cout << endl; }
#include <bits/stdc++.h> using namespace std; using ll=long long; #define rep(i,n) for(int i=0;i<(int)(n);i++) #define inf 1001001001001001001 #define mod 1000000007 #define mod2 998244353 #define pi acos(-1) #define all(v) v.begin(),v.end() int main(){ string s; cin>>s; vector<string>week={"SAT","FRI","THU","WED","TUE","MON","SUN"}; rep(i,7){ if(s==week.at(i)){ cout<<i+1<<endl; } } }
0
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,n) for (int i = 0; i< (n); ++i) const long long INF = 1LL<<58; // aを常に小さい値にする 大きい値にする template<class T> bool chmin(T &a, T b){ if(a>b) a = b; } template<class T> void chmax(T &a, T b){ if(a<b) a = b; } // 二分探索 前方のindexを返すもの(自分自身を含む) 前方: -INF側のこと template<class T> int former(const vector<T> &v, T x){ return upper_bound(v.begin(), v.end(), x) - v.begin() -1; // upper_bound : keyより大きい要素の内の一番左側のイテレータを返す } // 二分探索 後方のindexを返すもの(自分自身を含む)後方: INF側のこと template<class T> int latter(const vector<T> &v, T x){ return lower_bound(v.begin(), v.end(), x) - v.begin(); // lower_bound : key以上の要素の内の一番左側のイテレータを返す } // 最大公約数を求める GCD int GCD(int a, int b) { return b ? GCD(b, a%b) : a; } /* * 素因数分解っぽいテーマの問題。こういうのは「まずは素数べきで考える」というのが 1 つの定石ではある。p を素数として a1×a2×...×aN=pk を満たす (a1,a2,...,aN) が何通りあるかを考える。これは実は、p の指数に着目して ai=pxi として、 x1+x2+...+xN=k を満たす 0 以上の整数 (x1,x2,…,xN) が何通りあるかを数え上げる問題と考えることができる。 これは重複組合せ!!!!! 重複組合せは、「仕切りを使って考える」というのが 1 つの見方ではある。(●と|を並べて考えるというものである) 【N 個の玉と、k−1 個の仕切りの並び替え方を数える問題】 nHk = c+k-1Ck で求められる M が素数べきについての考察を終えたので、一般の合成数について考えることになるのだが、実は各素因子についてまったく独立に考えることができる。 つまり、上記のことを各素因子ごとに独立に行って、得られた結果を掛け算していけば OK。 * * */ // 素因数分解 pair vector<pair<ll, ll> > prime_factorize(ll n) { vector<pair<ll, ll> > res; for (ll p = 2; p * p <= n; ++p) { if (n % p != 0) continue; int num = 0; while (n % p == 0) { ++num; n /= p; } res.push_back(make_pair(p, num)); } if (n != 1) res.push_back(make_pair(n, 1)); return res; } const int MAX = 210000; const int MOD = 1000000007; // 二項係数の計算nCk セット // https://drken1215.hatenablog.com/entry/2018/06/08/210000 // 使い方としては、最初に一度前処理として COMinit() をしておけば、あとは COM(n, k) 関数を呼べばよい // 前処理 COMinit(): O(n) // クエリ処理 COM(n, k): O(1) ll fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } /** * // 前処理 COMinit(); // 計算 cout << COM(100000, 50000) << endl; のようにつかう */ int main() { int N, M; COMinit(); cin >> N >> M; auto vec = prime_factorize(M); long long res = 1; for (auto pa : vec) { int num = pa.second; long long tmp = COM(num+N-1, N-1); res = (res * tmp) % MOD; } cout << res << endl; }
#include<bits/stdc++.h> #define ll long long int #define vec vector<ll> #define mat vector<vec> using namespace std; const ll mod=1000000007; const ll inf=LONG_LONG_MAX; ll dx4[4]={1,0,-1,0}; ll dy4[4]={0,-1,0,1}; ll dx8[8]={1,0,-1,1,-1,1,0,-1}; ll dy8[8]={1,1,1,0,0,-1,-1,-1}; vector<vector<ll>> bunkai(ll a){ if(a<=0) return {}; if(a==1) return {{1,1}}; vector<ll> f; ll b=a; for(ll i=2;i*i<=a;i++){ if(b%i==0){ f.push_back(i); b=b/i; i--; } if(b==1)break; } if(b!=1)f.push_back(b); vector<vector<ll>> u; ll p=f[0]; ll c=1; for(ll i=1;i<f.size();i++){ if(f[i]==p)c++; else{ u.push_back({p,c}); p=f[i]; c=1; } } u.push_back({p,c}); return u; } ll powmod(ll a,ll n,ll m) { if(n == 0) return 1; if(n % 2 ==0){ ll r = powmod(a,n/2,m); return r*r % m; } return a*powmod(a,n-1,m)%m; } ll factmod(ll a,ll b,ll m) { if(a<b)return 0; ll s=1; while(a>=b){ s = s*a % m; a -= 1; } return s; } 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 combmod(ll a,ll b,ll m){ if(b==0)return 1; ll c=factmod(a,a-b+1,m); ll d=modinv(factmod(b,1,m),m); ll e=(c*d)%m; return e; } void modsum(ll &a,ll b,ll m){ a+=b; a%=m; } void modsub(ll &a,ll b,ll m){ a-=b; a+=m; a%=m; } void modmul(ll &a,ll b,ll m){ a*=b; a%=m; } void modquo(ll &a,ll b,ll m){ a*=modinv(b,m); a%=m; } int main(){ ll n,m; cin >> n >> m; mat f=bunkai(m); ll ans=1; if(m==1){ cout << 1 << endl; return 0; } for(ll i=0;i<f.size();i++){ modmul(ans,combmod(f[i][1]+n-1,n-1,mod),mod); } cout << ans << endl; }
1
#include<iostream> #include<algorithm> #include<math.h> #include<cmath> #include<string> #include<fstream> using namespace std; //const int N = 1e3 + 5; int main(){ int n,d=0,t=0,count=0; cin >> n; if (0 <= n&&n <= 2){ cout << 0 << endl; return 0; } while (n) { n -=3; if (n >= 3) count++; else{ count++; break; } } cout << count << endl; }
#include <bits/stdc++.h> #define ll long long int using namespace std; int main() { ios_base::sync_with_stdio(false) ; cin.tie(NULL); int n; cin>>n; if(n<=2) cout<<"0"<<endl; else { cout<<n/3<<endl; } return 0; }
1
#include<bits/stdc++.h> using namespace std; #define TC ll t; cin >> t; while(t--) typedef long long ll; int main() { //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); ll k,x; cin >> k >> x; for(ll i=x-k+1;i<=x+k-1;i++) { cout << i << " "; } return 0; }
#include <bits/stdc++.h> #define REP(i, n) for(long long i=0; i<n; i++) #define REPR(i, n) for(long long i=n-1; i>=0; i--) #define FOR(i, m, n) for(long long i=m; i<=n; i++) #define FORR(i, m, n) for(long long i=m; i>=n; i--) #define SORT(v, n) sort(v, v+n); #define VSORT(v) sort(v.begin(), v.end()); #define VSORTR(v) sort(v.rbegin(), v.rend()); #define ALL(v) (v).begin(),(v).end() #define FIN ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); using namespace std; using ll = long long; using ull = unsigned long long; using vll = vector<ll>; using vvll = vector<vector<ll>>; using P = pair<ll, ll>; const ll mod = 1e9+7; const ll inf = 1e15; ll power(ll a,ll b){return b?power(a*a%mod,b/2)*(b%2?a:1)%mod:1;} int main(){FIN ll a,b;cin>>a>>b; vll s(3); s[0] = a+b; s[1] = a-b; s[2] = a*b; cout<<*max_element(ALL(s))<<endl; return 0; }
0
#include <iostream> #include <iomanip> #include <math.h> using namespace std; int main() { double x, y, x1, x2, y1, y2; cin >> x1 >> y1 >> x2 >> y2; x = fabs(x2 - x1); y = fabs(y2 - y1); if( x == 0 ) { cout << fixed << setprecision(5) << y << "\n"; return 0; } else if( y == 0 ) { cout << fixed << setprecision(5) << x << "\n"; return 0; } int c = 0; double v = x*x + y*y, d = max(x, y), eps = 0.00001; do { d = (d + v / d ) / 2.0L; ++c; } while( c < 5 ); cout << fixed << setprecision(5) << d << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; using LL = long long; using VI = vector<int>; using PI = pair<int, int>; int main() { double x1, x2, y1, y2; cin >> x1 >> y1 >> x2 >> y2; cout << setprecision(12) << fixed << hypot(abs(x1 - x2), abs(y1 - y2)) << endl; return 0; }
1
#include <bits/stdc++.h> #define REP(i, x) REPI(i, 0, x) #define REPI(i, a, b) for (int i = int(a); i < int(b); ++i) #define ALL(x) (x).begin(), (x).end() typedef long long ll; using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); string S; cin >> S; int l = S.length(); if (l == 1) { cout << "No" << endl; return 0; } if (l % 2 == 1) { cout << "No" << endl; return 0; } string expected = ""; while (l > 0) { expected += "hi"; l -= 2; } if (S == expected) { cout << "Yes" << endl; } else { cout << "No" << endl; } return 0; }
#pragma region #define _USE_MATH_DEFINES #include <iostream> #include <string> #include <algorithm> #include <cmath> #include <cstdlib> #include <vector> #include <map> #include <queue> #include <stack> #include <set> #include <list> #include <iomanip> #include <cstdint> #include <cstdlib> using namespace std; typedef long long ll; //#define rep(i, s, e) for (int(i) = (s); (i) < (e); ++(i)) #define rep(i, e) for (int(i) = 0; (i) < (e); ++(i)) #define rrep(i, s) for (int(i) = (s) - 1; (i) >= 0; --(i)) #define all(x) x.begin(),x.end() #pragma endregion int main() { int n; cin >> n; cout << 0 << endl; string z; cin >> z; if (z == "Vacant")return 0; int ok = 0, ng = n; while (true) { int mid = abs(ok + ng) / 2; cout << mid << endl; string s; cin >> s; if (s == "Vacant")return 0; else if ((mid % 2 == 0 && s == z) || (mid % 2 == 1 && s != z)) { ok = mid; } else ng = mid; } }
0
#include <bits/stdc++.h> using namespace std; #ifdef DEBUG #define FPEN freopen("in.txt", "r", stdin); #define debug(...) \ { cerr << "# " << __VA_ARGS__ << "\n"; } #else #define debug(...) #define FPEN #endif const int maxn = 200009; typedef long long i64; typedef pair<i64, i64> pi64; typedef pair<int, int> pi; typedef unsigned long long ui64; const i64 MOD = 119 << 23 | 1; struct hashing { static constexpr int dimensions = 4; static constexpr int mod = (1u << 31) - 1; vector<vector<int>> hashes, p; static const vector<int> &get_bases() { static mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); static vector<int> bases; while (bases.size() < dimensions) { bases.emplace_back(uniform_int_distribution<int>((int)1e9, mod - 1)(rng)); } return bases; } hashing(const vector<int> &s) : hashes(dimensions), p(dimensions) { int n = s.size(); const vector<int> &bases = get_bases(); for (int d = 0; d < dimensions; ++d) { hashes[d].resize(n + 1); p[d].resize(n + 1); p[d][0] = 1; long long base = bases[d]; for (int i = 0; i < n; i++) { hashes[d][i + 1] = (hashes[d][i] * base + s[i]) % mod; p[d][i + 1] = p[d][i] * base % mod; } } } vector<int> get_hash(int i, int len) { vector<int> res; for (int d = 0; d < dimensions; ++d) { int hash = (int)((hashes[d][i + len] + (long long)hashes[d][i] * (mod - p[d][len])) % mod); res.emplace_back(hash); } return res; } }; class { public: void solve() { int n; cin >> n; vector<int> a(n), b(n), sa(n), sb(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) { sa[i] = a[i] ^ a[(i + 1) % n]; sb[i] = b[i] ^ b[(i + 1) % n]; sa.push_back(sa[i]); } hashing A(sa), B(sb); for (int i = 0; i < n; ++i) { if (A.get_hash(i, n - 1) != B.get_hash(0, n - 1)) continue; int v = a[i] ^ b[0]; cout << i << ' ' << v << '\n'; } } } NSPACE; int main() { FPEN; ios_base::sync_with_stdio(false); cout.tie(0); cin.tie(0); NSPACE.solve(); }
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define ll long long #define pb push_back #define INF 9223372036854775807 #define endl '\n' #define pii pair<ll int,ll int> #define vi vector<ll int> #define all(a) (a).begin(),(a).end() #define F first #define S second #define sz(x) (ll int)x.size() #define hell 1000000007 #define rep(i,a,b) for(ll int i=a;i<b;i++) #define lbnd lower_bound #define ubnd upper_bound #define bs binary_search #define mp make_pair #define lower(u) transform(u.begin(), u.end(), u.begin(), ::tolower);//convert string u to lowercase; #define upper(u) transform(u.begin(), u.end(), u.begin(), ::toupper); using namespace std; using namespace __gnu_pbds; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define N 100005 vi LPS(vi pat) { vi lps(sz(pat)); lps[0]=0; ll len=0; ll i=1; while(i<sz(pat)) { if(pat[i]==pat[len]) { len++; lps[i]=len; i++; } else { if(len) len=lps[len-1]; else lps[i]=0,i++; } } return lps; } vi KMP(vi pat,vi txt) { vi lps=LPS(pat); vi ans; ll i=0,j=0; while(i<sz(txt)) { if(pat[j]==txt[i]) i++,j++; if(j==sz(pat)) { ans.pb(i-j+1); j=lps[j-1]; } else if(i<sz(txt)&&txt[i]!=pat[j]) { if(j) j=lps[j-1]; else i++; } } return ans; } void solve() { ll n,x; cin>>n; vi a; vi b; rep(i,0,n) { cin>>x; a.pb(x); } rep(i,0,n) { cin>>x; b.pb(x); } vi A,B; rep(i,0,n) { A.pb(a[i]^(a[(i+1)%n])); B.pb(b[i]^(b[(i+1)%n])); } rep(i,0,n-1) { A.pb(A[i]); } // cout<<KMP(B,A)<<endl; vi ans=KMP(B,A); for(auto u:ans) { cout<<u-1<<" "<<(a[u-1]^b[0])<<endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); int TESTS=1; // cin>>TESTS; while(TESTS--) { solve(); } return 0; }
1
#include<iostream> #include<queue> #include<cstring> typedef std::pair<int, int> P; int w, h; int field[100][100]; int xs, ys, xg, yg; int n; const int dx[4] = { 0, 1, 0, -1 }, dy[4] = { -1, 0, 1, 0 }; int main() { while( std::cin >> w >> h, w | h ) { memset( field, 0, sizeof( field ) ); std::cin >> xs >> ys >> xg >> yg >> n; for( int i = 0; i != n; ++i ) { int c, d, x, y; std::cin >> c >> d >> x >> y; for( int j = 0; j != 8; ++j ) { int nx = x + ( d ? j % 2 : j / 2 ), ny = y + ( d ? j / 2 : j % 2 ); field[ny-1][nx-1] = c; } } std::queue<P> que; int col = field[ys-1][xs-1]; bool ans = false; que.push( P( xs, ys ) ); while( !que.empty() ) { P p = que.front(); que.pop(); if( p.first == xg && p.second == yg ) { ans = true; break; } field[p.second-1][p.first-1] = 0; for( int i = 0; i != 4; ++i ) { int nx = p.first + dx[i], ny = p.second + dy[i]; if( nx > 0 && nx <= w && ny > 0 && ny <= h && field[ny-1][nx-1] && field[ny-1][nx-1] == col ) que.push( P( nx, ny ) ); } } std::cout << ( ans ? "OK" : "NG" ) << std::endl; } return 0; }
#include<stdio.h> int main(void) { int n,pm[10001],pe[10001],pj[10001],i,x[10001],y[10001]; while(1){ scanf("%d",&n); if(n==0) break; for(i=0;i<n;i++){ scanf("%d %d %d",&pm[i],&pe[i],&pj[i]); x[i]=(pm[i]+pe[i])/2; y[i]=(pm[i]+pe[i]+pj[i])/3; } for(i=0;i<n;i++){ if(pm[i]==100||pe[i]==100||pj[i]==100) printf("A\n"); else if(x[i]>=90||y[i]>=80) printf("A\n"); else if(y[i]>=70||y[i]>=50&&pm[i]>=80||pe[i]>=80) printf("B\n"); else printf("C\n"); } } return 0; }
0
/* C++ */ #include<bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll,ll> pint; const int MAX = 510000; const int MOD = 1000000007; #define rep(i, n) for(ll i = ll(0); i < ll(n); i++) #define Rep(i, n) for(ll i = ll(1); i < ll(n); i++) #define ALL(a) (a).begin(),(a).end() #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define PI 3.14159265358979323846 #define ifYN(x) cout<<(x?"Yes":"No")<<"\n" ll fac[MAX], finv[MAX], inv[MAX]; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } bool palindrome(string s){ bool flag=true; rep(i,(ll)s.size()) if(s[i]!=s[s.size()-1-i]) flag=false; return flag; } // テーブルを作る前処理 void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (ll i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } ll Len(ll n) { ll s=0; while(n!=0) s++, n/=10; return s; } ll Sint(ll n) { ll ans=0; while(n!=0) ans+=n%10,n/=10; return ans; } ll Svec(vector<ll> v){ ll n=0; rep(i,(ll)v.size()) n+=v[i]; return n; } ll GCD(ll a,ll b) { return b ? GCD(b,a%b) : a; } ll LCM(ll a,ll b){ return a/GCD(a,b)*b; } ll Factorial(ll n){ ll m=1; while(n>=1) m*=n,n--; return m; } void runlength(string s,vector<pair<char,ll>> &p){ ll x=1; if(s.size()==1){ p.push_back(pair<char,ll>(s[0],1)); } rep(i,(ll)s.size()-1){ if(s[i]==s[i+1]){ x++; if(i==(ll)s.size()-2){ p.push_back(pair<char,ll>(s[i],x)); } }else{ p.push_back(pair<char,ll>(s[i],x)); x=1; if(i==(ll)s.size()-2){ p.push_back(pair<char,ll>(s[s.size()-1],x)); } } } } ll COM(ll n,ll k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } string Toupper(string s){ string ans=""; rep(i,s.size()){ if('a'<=s[i] && s[i]<='z') ans+=(char)s[i]-32; else ans+=s[i]; } return ans; } string Tolower(string s){ string ans=""; rep(i,s.size()){ if('A'<=s[i] && s[i]<='Z') ans+=(char)s[i]+32; else ans+=s[i]; } return ans; } void dis(vector<ll> v){ rep(i,v.size()) cout<<v[i]<<endl; } void dis2(vector<vector<ll>> v){ rep(i,v.size()){ rep(j,v[0].size()) cout<<v[i][j]<<' '; cout<<endl; } } const int MAX_N=100010; vector<bool> sieve_of_eratosthenes(){ vector<bool> isPrime(MAX_N+1,true); /* isPrime[1]=false; */ for(int i=2;i<=MAX_N;i++){ if(isPrime[i]){ for(int j=2*i;j<=MAX_N;j+=i){ isPrime[j]=false; } } } return isPrime; } vector<pint> prime_factorize(ll n){ vector<pint> ans; for(ll p=2;p<=sqrt(n);p++){ if(n%p!=0) continue; ll cnt=0; while(n%p==0){ n/=p; cnt++; } ans.push_back(make_pair(p,cnt)); } if(n!=1) ans.push_back(make_pair(n,1)); return ans; } /*bool cmp(pint a, pint b) { return a.second < b.second; }*/ /*↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓*/ int main() { IOS; ll n,m; cin>>n>>m; vector<ll> v(n); rep(i,n) cin>>v[i]; vector<ll> sum(n,0); sum[0]=v[0]; rep(i,n-1) sum[i+1]=sum[i]+v[i+1]; rep(i,n) sum[i]%=m; ll ans=0; map<ll,ll> mp; rep(i,n) mp[sum[i]]++; for(auto c:mp){ if(c.first==0) ans+=c.second*(c.second+1)/2; else ans+=c.second*(c.second-1)/2; } cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define sz(a) (int)a.size() #define fi first #define se second #define ar array typedef long long ll; typedef vector<int> vi; typedef pair<int,int > pii; const ll MOD =1e9+7; void solve(){ int n,k,ans=1e9+10; cin >> n >> k; vi a(n); for(int i = 0; i < n; ++i){ cin >> a[i]; } for(int i = 0; i < n-k+1; ++i){ if(a[i] > 0) ans = min(ans,a[i+k-1]); else if(a[i+k-1]<0) ans = min(ans,-a[i]); else ans =min(ans,-a[i]+a[i+k-1]+min(-a[i],a[i+k-1])); } cout << ans; } int main(){ int t=1; //cin >> t; while(t--){ solve(); cout <<'\n'; } }
0
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<(n);i++) typedef long long ll; int main(void){ int N,Y; int c1,c2,c3; c1 = -1; c2 = -1; c3 = -1; cin >> N >> Y; for(int a = 0;a <= N;a++){ for(int b = 0;b <= N-a;b++){ int c = N-a-b; int total = 10000*a+5000*b+1000*c; if(total == Y){ c1 = a; c2 = b; c3 = c; } } } cout << c1 << " " << c2 << " " << c3 <<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i, n) for (ll i = 0; i < n; ++i) #define P pair<ll, ll> #define Graph vector<vector<ll>> #define fi first #define se second constexpr ll mod = 1000000007; constexpr ll INF = (1ll << 60); 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; } int main() { ll a, b; cin >> a >> b; ll ans = 0; for (ll num = a; num <= b; num++) { bool yes = true; string s; ll ins = num; while (ins) { s.push_back('0' + ins % 10); ins /= 10; } rep(i, (s.size() - 1) / 2 + 1) { if (s[i] != s[s.size() - 1 - i]) yes = false; } if (yes) ans++; } cout << ans << "\n"; return 0; }
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; #define rep(i, n) for(int i = 0; i < (int)(n); i++) const int MOD = (int)1e9 + 7; const int INF = (int)1e9 * 2; int main() { int n; cin >> n; vector<int> a(n); rep(i, n) cin >> a[i]; sort(a.begin(), a.end()); int count = 1; int out = 0; rep(i, n - 1){ if(a[i] == a[i + 1]) count++; else{ if(count % 2 == 1) out++; count = 1; } } if(count % 2 == 1) out++; cout << out << endl; }
#include<bits/stdc++.h> using namespace std; const int maxn=5e5; const int mod=1e9+7; int a[maxn+5],num[maxn+5],dp[maxn+5]; int x[1<<20],y[1<<20]; int n; void update(int &x,int y) { x=(x+y)%mod; } int main() { scanf("%d",&n); for(int i=1;i<=n;++i) scanf("%d",&a[i]),a[i]^=a[i-1],num[i]=num[i-1]+(a[i]==0); for(int i=1;i<=n;++i) dp[i]=1; for(int i=1;i<=n;++i) { update(dp[i],(1LL*x[a[i]]*num[i]-y[a[i]])%mod); update(x[a[i]],dp[i]); update(y[a[i]],1LL*dp[i]*num[i]%mod); } if(dp[n]<0) dp[n]+=mod; if(a[n]>0) cout<<dp[n]; else { int ans=1; for(int i=1;i<=num[n-1];++i) ans=ans*2%mod; for(int i=1;i<=n;++i) if(a[i]>0) update(ans,dp[i]); if(ans<0) ans+=mod; cout<<ans<<endl; } return 0; }
0
#include<iostream> #include<cstdio> #include<algorithm> #include<cmath> #include<vector> #include<map> #include<set> #include<string> #include<queue> #include<stack> using namespace std; #define MOD 1000000007 #define INF (1<<29) #define LINF (1LL<<60) #define EPS (1e-10) typedef long long Int; typedef pair<Int, Int> P; Int n, d; Int a[216000]; Int sums[216000]; Int difs[216000]; Int res; int main(){ cin >> n >> d; for(int i = 0;i < n;i++){ cin >> a[i]; sums[i] = a[i] + i * d; difs[i] = a[i] - i * d; res += 2 * a[i]; } res += (n-1)*d; res -= a[0] + a[n-1]; for(int i = 1;i < n;i++)difs[i] = min(difs[i], difs[i-1]); for(int i = n-2;i >= 0;i--)sums[i] = min(sums[i], sums[i+1]); for(int i = 1;i < n-1;i++){ // cout << difs[i] << " " << sums[i] << endl; Int ltmp = -a[i] + i*d + difs[i]; Int rtmp = -a[i] - i*d + sums[i]; // cout << ltmp << " " << rtmp << endl; res += min(ltmp, rtmp); } cout << res << endl; return 0; }
#include<bits/stdc++.h> #define ll long long using namespace std; ll n,i,j,mx,t,x,ans,f[19][19],a[19],b[19]; char s[101]; int main(){ scanf("%lld",&n); scanf("%s",s+1); mx=1ll<<n;mx--; for(t=0;t<=mx;t++){ a[0]=b[0]=0; for(i=n*2;i>n;i--){ x=n*2-i; if(t&(1ll<<x))a[++a[0]]=s[i]-'a'; else b[++b[0]]=s[i]-'a'; } memset(f,0,sizeof(f)); f[0][0]=1; for(i=1;i<=n;i++){ for(j=0;j<=min(a[0],i-1);j++){ if(i-1-j>b[0])continue; if(j<a[0]&&s[i]-'a'==a[j+1])f[i][j+1]+=f[i-1][j]; if(i-j<=b[0]&&s[i]-'a'==b[i-j])f[i][j]+=f[i-1][j]; } } ans+=f[n][a[0]]; } printf("%lld",ans); }
0
#include<iostream> #include<cstdio> #include<algorithm> using namespace std; int l[200000+5],r[200000+5],n,m,q,ret[200000+5],sz,p,num1[200000+5],num[200000]; int l1[200000+5],r1[200000+5],vec[600000+5],c[600000+5]; void Add( int x) //树状数组加入 { for(;x<=sz;x+=(x&-x)) c[x]++; //因为这里只需要1,所以我就写出c[x]++了 } int Sum( int x) //树状数组求和,同上面的sum(x) { int s=0; //计数的变量 for(;x>0;x-=(x&-x)) //累计 s+=c[x]; return s; //返回结果 } bool cmp1(int a,int b){ return r1[a]<r1[b]; } bool cmp(int a,int b){ return r[a]<r[b]; } int main() { cin>>n>>m>>q; for(int i=1;i<=m;i++){ cin>>l[i]>>r[i]; vec[p++]=l[i]; vec[p++]=r[i]; num[i]=i; } for(int i=1;i<=q;i++){ cin>>l1[i]>>r1[i]; vec[p++]=l1[i]; vec[p++]=r1[i]; num1[i]=i; } sort(vec,vec+p); sz=unique(vec,vec+p)-vec; for(int i=1;i<=m;i++){ l[i]=lower_bound(vec,vec+sz,l[i])-vec+1; r[i]=lower_bound(vec,vec+sz,r[i])-vec+1; } for(int i=1;i<=q;i++){ l1[i]=lower_bound(vec,vec+sz,l1[i])-vec+1; r1[i]=lower_bound(vec,vec+sz,r1[i])-vec+1; } sort(num1+1,num1+q+1,cmp1); sort(num+1,num+m+1,cmp); int j=1; for(int k=1;k<=q;k++){ int i=num1[k]; while(j<=m&&r[num[j]]<=r1[i]){ Add(l[num[j++]]); } ret[i]=j-Sum(l1[i]-1)-1; } for(int i=1;i<=q;i++){ cout<<ret[i]<<endl; } }
#include <stdio.h> #include <string.h> int main(){ char str[1000],ord[10],work[1000]; int q,a,b,i,k; scanf("%s%d",str,&q); for(i=0; i<q; ++i){ scanf("%s",ord); memset( work , '\0' , 1000); if(strcmp(ord,"replace") == 0){ scanf("%d%d%s",&a,&b,work); for(k=a; k <= b; ++k) str[k]=work[k-a]; }else if(strcmp(ord,"reverse") == 0){ scanf("%d%d",&a,&b); for(k=a; k <= b; ++k) work[k-a]=str[k]; for(k=a; k <= b; ++k) str[k]=work[b-k]; }else{ scanf("%d%d",&a,&b); for(k=a; k <= b; ++k) work[k-a]=str[k]; printf("%s\n",work); } } return 0; }
0
#include<iostream> #include<math.h> #include<algorithm> #include<stdint.h> #include<vector> #include<deque> #include<stack> #include<functional> #include<string> #include<cstring> #include<time.h> #include<array> #include<iomanip> #include<list> #include<set> #include<unordered_map> #include<unordered_set> #include<random> #include<bitset> #include <queue> #include <map> using namespace std; using ll = long long; using ull = unsigned long long; using uint = unsigned int; using ldouble = long double; //BDD,ZDD,kdtree, bdtree,bicalc, bolonoy, doloney, tree, chinesemod,segmenttree,daikusutora, saidairyuu, 2bugurahu, heirokenshutu, topologicalsort, kyourenketuseibun #define REP(i,a,b) for(int i = a; i < b; ++i) #define PRI(s) cout << s << endl #define PRIY PRI("Yes") #define PRIN PRI("No") ll frac[300000]; long long inverse(long long mod, long long val) { long long x[2] = { mod, val }; long long a[2] = { 1, 0 }; long long i; for (i = 0; x[!i]; i ^= 1) { a[!i] -= x[i] / x[!i] * a[i]; x[i] = x[i] % x[!i]; } if (!i) a[!i] += mod; return a[!i]; } ll mod = 998244353; ll mem[300000]; int main() { frac[0] = 1; mem[0] = 1; ll N, M, K; cin >> N >> M >> K; if (M == 1) { if (K == N - 1) PRI(1); else PRI(0); return 0; } REP(i, 1, 300000) { frac[i] = frac[i - 1] * i % mod; mem[i] = mem[i - 1] * (M - 1) % mod; } ll ret = 0; REP(i, 0, K + 1) { ll x = M * mem[N - i - 1] % mod; x *= frac[N - 1]; x %= mod; x *= inverse(mod,frac[i]); x %= mod; x *= inverse(mod,frac[N - 1 - i]); x %= mod; ret += x; ret %= mod; } PRI(ret); return 0; }
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <numeric> #include <cmath> #include <unordered_map> #include <queue> #include <deque> using namespace std; using ll = long long; void _cin(){} template <class Head, class... Tail> void _cin(Head&& head, Tail&&... tail){ cin >> head; _cin(forward<Tail>(tail)...); } void _cout(){ cout << "\n"; } template <class Head, class... Tail> void _cout(Head&& head, Tail&&... tail){ cout << head; _cout(forward<Tail>(tail)...); } template<typename S, typename T> ostream& operator<<(ostream &os, const pair<S, T> &p){ cout << "[" << p.first << ", " << p.second << "]"; return os; } #define Sq(x) (x)*(x) #define For(i, n) for(int i = 0; i < (n); i ++) #define Rep(n) For(_, n) #define Range(c) c.begin(), c.end() #define RevRange(c) c.rbegin(), c.rend() #define Contains(c, x) (find(Range(c), x) != c.end()) #define Search(rb, re, x) distance(rb, find(rb, re, x)) #define Sort(a) sort(Range(a)) #define DeSort(a) sort(RevRange(a)) #define Reverse(c) reverse(Range(c)) #define Unique(a) a.erase(unique(Range(a)), a.end()) #define Cusum(T, xs, sxs) vector<T> sxs(xs.size()+1); For(i, (int)xs.size()) sxs[i+1] = sxs[i] + xs[i] #define Cin(T, ...) T __VA_ARGS__; _cin(__VA_ARGS__) #define Cins(T, n, xs) vector<T> xs(n); For(i, n) cin >> xs[i] #define Cins2(T, n, xs, ys) vector<T> xs(n), ys(n); For(i, n) cin >> xs[i] >> ys[i] #define Cins3(T, n, xs, ys, zs) vector<T> xs(n), ys(n), zs(n); For(i, n) cin >> xs[i] >> ys[i] >> zs[i] #define Cinm(T, n, map) unordered_map<T, int> map; Rep(n){ Cin(T, x); map[x] ++; } #define Cout(...) _cout(__VA_ARGS__) #define Couts(xs) { for(const auto &e : xs) cout << e << " "; cout << "\n"; } #define Coutyn(cond) Cout((cond) ? "yes" : "no") #define CoutYn(cond) Cout((cond) ? "Yes" : "No") #define CoutYN(cond) Cout((cond) ? "YES" : "NO") #define Return(expr) { Cout(expr); return 0; } #define vc vector #define Mini(a, x) a = min(a, x) #define Maxi(a, x) a = max(a, x) constexpr int MOD = 998244353; ll modpow(ll n, ll p){ if(p == 0) return 1; if(p % 2 == 1) return n * modpow(n, p-1) % MOD; ll t = modpow(n, p/2); return t*t % MOD; } constexpr int COMB_MAX = 210000; ll fac[COMB_MAX], finv[COMB_MAX], inv[COMB_MAX]; void initComb(){ fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for(int i = 2; i < COMB_MAX; i ++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } ll comb(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } int main(void){ Cin(int, n, m, k); initComb(); ll ans = 0; For(i, k+1){ ll tmp = m * modpow(m-1, n-i-1) % MOD * comb(n-i-1 + i, i) % MOD; // Cout(tmp); ans = (ans + tmp) % MOD; } Cout(ans); }
1
#include <iostream> using namespace std; bool include3(int n){ while(n!=0){ if(n%10==3){ return true; } n = n /10; } return false; } void call(int n){ for(int i = 1; i <= n; i++){ if( i % 3 == 0 || include3(i) ){ cout << " " << i; } } cout << endl; } int main() { int num; cin>>num; call(num); return 0; }
#include <bits/stdc++.h> #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++) using namespace std; using P = pair<int, int>; using ll = long long; int main() { string s; cin >> s; string ans = "AC"; if(s[0] != 'A'){ ans = "WA"; } int cnt = 0, m; for(int i = 2; i <= s.size() - 2; i++){ if(s[i] == 'C') { cnt++; m = i; } } if(cnt != 1) ans = "WA"; rep(i,s.size()){ if (i == 0 || i == m) continue; if(s[i] < 'a' || s[i] > 'z') ans = "WA"; } cout << ans << endl; return 0; }
0
#include <bits/stdc++.h> #include <string> #include <vector> #include <algorithm> #define rep(i,w) for (int i = 0;i < (w); ++i) using namespace std; using ll = long long; using P = pair<int,int>; int INF = 1e9; int main(){ int n;cin >> n; vector<int> a(n); rep(i,n) cin >> a[i]; deque<int> d; int ans = 0; for(int i = 0;i < n;i++){ int temp = a[i]; int p = lower_bound(d.begin(),d.end(),temp) - d.begin(); if(p == 0) d.push_front(temp); else d[p-1] = temp; } cout << d.size() << endl; }
#include <bits/stdc++.h> #include <limits> #include <math.h> #include <cmath> using namespace std; using ll = long long; using ull = unsigned long long; using pii = pair<int, int> ; using vi = vector<int> ; using vvi = vector<vector<int>> ; using vll = vector<long long>; using vvll = vector<vector<long long >>; #define PI 3.141592653 #define rep(i, n) for(int i = 0; i < n; i++) int main(){ int n; cin >> n; string s; cin >> s; bool fin; if(s[0] == 'o'){fin = true;} else{fin = false;} bool ans = true; vector<char> s1(n+1); s1[0] = 'W'; s1[1] = 'S'; vector<char> s2(n+1); s2[0] = 'W'; s2[1] = 'W'; vector<char> s3(n+1); s3[0] = 'S'; s3[1] = 'S'; vector<char> s4(n+1); s4[0] = 'S'; s4[1] = 'W'; while(true){ bool f; for(int i = 2; i <= n; i++){ f = true; if(s1[i-2] == 'W'){f = !f;} if(s1[i-1] == 'W'){f = !f;} if(s[i-1] == 'x'){f = !f;} if(f){s1[i] = 'S';} else{s1[i] = 'W';} } if(fin){if(s1[n-1] == 'W' && s1[0] == s1[n]) {rep(i, n){cout << s1[i];}ans = false; break;}} else{if(s1[n-1] == 'S' && s1[0] == s1[n]) {rep(i, n){cout << s1[i];}ans = false; break;}} for(int i = 2; i <= n; i++){ f = true; if(s2[i-2] == 'W'){f = !f;} if(s2[i-1] == 'W'){f = !f;} if(s[i-1] == 'x'){f = !f;} if(f){s2[i] = 'S';} else{s2[i] = 'W';} } if(fin){if(s2[n-1] == 'S' && s2[0] == s2[n] ) {rep(i, n){cout << s2[i];}ans = false; break;}} else{if(s2[n-1] == 'W' && s2[0] == s2[n]) {rep(i, n){cout << s2[i];}ans = false; break;}} for(int i = 2; i <= n; i++){ f = true; if(s3[i-2] == 'W'){f = !f;} if(s3[i-1] == 'W'){f = !f;} if(s[i-1] == 'x'){f = !f;} if(f){s3[i] = 'S';} else{s3[i] = 'W';} } if(fin){if(s3[n-1] == 'S' && s3[0] == s3[n]) {rep(i, n){cout << s3[i];} ans = false; break;}} else{if(s3[n-1] == 'W' && s3[0] == s3[n]) {rep(i, n){cout << s3[i];}ans = false; break;}} for(int i = 2; i <= n; i++){ f = true; if(s4[i-2] == 'W'){f = !f;} if(s4[i-1] == 'W'){f = !f;} if(s[i-1] == 'x'){f = !f;} if(f){s4[i] = 'S';} else{s4[i] = 'W';} } if(fin){if(s4[n-1] == 'W' && s4[0] == s4[n]) {rep(i, n){cout << s4[i];} ans = false;break;}} else{if(s4[n-1] == 'S' && s4[0] == s4[n]) { rep(i, n){cout << s4[i];}ans = false; break;}} cout << -1; break; } cout << endl; }
0
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ldouble = long double; const ll inf = 1ll << 60; const ll mod = (ll)1e9 + 7; #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define print(s) cout << s; #define println(s) cout << s << endl; #define printd(s) cout << fixed << setprecision(10) << s << endl; string res; int main() { ll a, b; cin >> a >> b; println(2*b - a); }
/** * This code has been written by YueGuang, feel free to ask me question. Blog: http://www.yx.telstudy.xyz * created: */ #include <cstdio> #include <iostream> #include <set> #include <map> #include <algorithm> #include <cstring> #include <string> #include <cmath> #define REP(i, a, b) for(int i = a; i < b; i++) #define REP_(i, a, b) for(int i = a; i <= b; i++) #define sl(n) scanf("%lld", &n); #define si(n) scanf("%d", &n); #define RepAll(a) for(auto x: a) #define cout(ans) cout << ans << endl; typedef long long ll; using namespace std; int main() { int a, b; scanf("%d%d", &a, &b); cout<<"100 100\n"; REP(i, 0, 100) { REP(j, 0, 100) i < 50 ? cout<< ( i%2 == 1 && j%2 == 1&& (--a) > 0 ? "." : "#" ) : cout << (i%2 == 1 && j%2 == 1&& (--b) > 0 ? "#" : "."); cout << '\n'; } }
0
#include<bits/stdc++.h> #define ll long long using namespace std; ll ans,n,m,k,a[200001],d[200001],b[200001],c[200001],nt[200001]; void ksm(){ ll i; while(k){ if(k&1){ for(i=1;i<=n;i++)nt[i]=b[c[i]]; for(i=1;i<=n;i++)b[i]=nt[i]; } for(i=1;i<=n;i++)nt[i]=c[c[i]]; for(i=1;i<=n;i++)c[i]=nt[i]; k/=2; } } int main(){ ll i,x; scanf("%lld",&n); for(i=1;i<=n;i++){ scanf("%lld",&a[i]); d[i]=a[i]-a[i-1]; b[i]=c[i]=i; } scanf("%lld%lld",&m,&k); for(i=1;i<=m;i++){ scanf("%lld",&x); swap(c[x],c[x+1]); } ksm(); for(i=1;i<=n;i++){ ans+=d[b[i]]; printf("%lld.0\n",ans); } } /* 思路:对于兔子x[i],向左跳有2*x[i-1]-x[i],向右跳有2*x[i+1]-x[i],概率各位1/2, 得期望x[i-1]+x[i+1]-x[i],令d[i] = x[i]-x[i-1], 这条期望式子相当于swap(d[i], d[i+1]),那么连续执行K次,可参考快速幂的做法进行优化。O(NlogK)。 当然也可以O(n) 心得:没有想到用差分 */
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <queue> #include <utility> using namespace std; int GCD(int a,int b){ if(b == 0)return a; return GCD(b,a%b); } int main(void){ int H,W; cin >> H >> W; int a[H][W]; for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ cin >> a[i][j]; } } int count = 0; vector<pair<int,int>> P; queue<int> que; for(int i=0;i<H;i++){ if(i % 2 == 0){ for(int j=0;j<W;j++){ P.push_back(make_pair(i,j)); } } else{ for(int j=W-1;j>=0;j--){ P.push_back(make_pair(i,j)); } } } for(int i=0;i+1<P.size();i++){ if(a[P[i].first][P[i].second] % 2 == 1){ count ++; a[P[i+1].first][P[i+1].second]++; que.push(P[i].first); que.push(P[i].second); que.push(P[i+1].first); que.push(P[i+1].second); } } cout << count << endl; for(int i=0;i<count;i++){ for(int j=0;j<4;j++){ cout << que.front() + 1; que.pop(); if(j != 3){ cout << " " ; } } cout << endl; } }
0
#include <bits/stdc++.h> #define int long long using namespace std; typedef pair<int,int> P; const int INF=pow(2,31)-1; std::vector<P> v(1e6,P(INF,-1)); int N=1; void update(int a,int b,int c,int d,int k,int l,int r){ if(r<=a||b<=l)return; if(a<=l&&r<=b)v[k]=P(c,d); else{ update(a,b,c,d,k*2+1,l,(l+r)/2); update(a,b,c,d,k*2+2,(l+r)/2,r); } } int ma(int a){ int k=a+N-1; P res=v[k]; while(k){ k=(k-1)/2; if(res.second<v[k].second)res=v[k]; } return res.first; } signed main(){ int n,M; cin>>n>>M; while(n>N)N*=2; std::vector<int> ans; for(int i=0;i<M;i++){ int q;cin>>q; if(q){ int a;cin>>a; ans.push_back(ma(a)); } else{ int s,t,x;cin>>s>>t>>x; update(s,t+1,x,i,0,0,N); } } for(int p:ans)cout<<p<<endl; }
#include <bits/stdc++.h> using namespace std; bool upd[(1<<18)]; int val[(1<<18)]; void Set(int a,int b,int x,int k=0,int l=0,int r=(1<<17)){ if(b<=l || r<=a)return; if( r-l>1 && upd[k] ){ upd[k*2+1] = upd[k*2+2] = 1; val[k*2+1] = val[k*2+2] = val[k]; } upd[k]=0; if(a<=l && r<=b){ upd[k]=1; val[k]=x; } else{ Set(a,b,x,k*2+1,l,(l+r)/2); Set(a,b,x,k*2+2,(l+r)/2,r); val[k]=min(val[k*2+1],val[k*2+2]); } } int Find(int a,int b,int k=0,int l=0,int r=(1<<17)){ if(b<=l || r<=a)return INT_MAX; if( r-l>1 && upd[k] ){ upd[k*2+1] = upd[k*2+2] = 1; val[k*2+1] = val[k*2+2] = val[k]; } upd[k]=0; if(a<=l && r<=b) return val[k]; else{ int L = Find(a,b,k*2+1,l,(l+r)/2); int R = Find(a,b,k*2+2,(l+r)/2,r); return min(L,R); } } int n,m,a,b,c,d; int main(){ memset(upd,0,sizeof(upd)); fill(val,val+(1<<18),INT_MAX); cin>>n>>m; while(m--){ cin>>a>>b; if(a){ cout<<Find(b,b+1)<<endl; } else{ cin>>c>>d; Set(b,c+1,d); } } }
1
#include <bits/stdc++.h> #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 INF 2e9 #define MOD 1000000007 #define ALL(v) v.begin(), v.end() using namespace std; typedef long long ll; using P = pair<int,int>; int main() { ll A,B; cin >> A >> B; if(A<B){ if(abs(A)==abs(B)){ cout << 1 << endl; }else if(abs(A)<abs(B)){ if(A>=0){ cout << B-A << endl; }else{ cout << B+A+1 << endl; } }else{ if(B>0){ cout << -A-B+1 << endl; }else{ cout << B-A << endl; } } }else{ if(abs(A)==abs(B)){ cout << 1 << endl; }else if(abs(A)<abs(B)){ if(A>=0){ cout << -B-A+1 << endl; }else{ cout << A-B+2 << endl; } }else{ if(B<=0){ cout << B+A+1 << endl; }else{ cout << A-B+2 << endl; } } } }
#include <bits/stdc++.h> using namespace std; int main() { int64_t X, Y; cin >> X >> Y; int ans =0; if(X>Y){ if(X*Y>0){ ans += X-Y+2; } else ans += max(X, -Y)-min(X, -Y)+1; } else{ if(X*Y>=0){ ans += Y-X; } else ans += max(-X, Y)-min(-X, Y)+1; } cout << ans << endl; }
1
#include <bits/stdc++.h> using namespace std; const int P = 1e9 + 7; int dp[45][(1 << 17) + 5]; int main() { int n, X, Y, Z; cin >> n >> X >> Y >> Z; int ban = (1 << Z - 1) | (1 << Y + Z - 1) | (1 << X + Y + Z - 1); dp[0][0] = 1; for(int i = 0; i < n; ++i) { for(int j = 1; j < 11; ++j) { for(int S = 0; S < 1 << 17; ++S) { int nxt = (S << j | 1 << j - 1) & ((1 << 17) - 1); if((nxt & ban) != ban) { dp[i + 1][nxt] = (dp[i + 1][nxt] + dp[i][S]) % P; } } } } int ans = 1; for(int i = 0; i < n; ++i) { ans = 1LL * ans * 10 % P; } for(int S = 0; S < 1 << 17; ++S) { ans = (ans - dp[n][S] + P) % P; } cout << ans << '\n'; return 0; }
#include<iostream> #include<iomanip> #include<cassert> #include<stdexcept> #include<utility> #include<functional> #include<numeric> #include<cmath> #include<algorithm> #include<cstdio> #include<cstdlib> #include<array> #include<stack> #include<queue> #include<deque> #include<vector> #include<complex> #include<set> #include<map> #include<unordered_map> #include<unordered_set> #include<string> #include<bitset> #include<memory> using namespace std; using ll=long long; const int SIZE=17; const ll MOD=1e9+7; void add(ll &lhs,ll rhs){ lhs=(lhs+rhs)%MOD; } int main(){ int n; cin>>n; int xyz[3]; for(int i=0;i<3;i++) cin>>xyz[i]; vector<vector<ll>> dp(n+1,vector<ll>(1<<SIZE)); dp[0][(1<<SIZE)-1]=1; vector<int> isAccept(1<<SIZE); for(int bit=0;bit<(1<<SIZE);bit++){ int st=0; int buf=0; for(int i=0;i<SIZE;i++){ buf++; if(!((bit>>i)&1) && xyz[st]==buf){ st++; buf=0; if(st==3){ isAccept[bit]=true; break; } } } } vector<ll> pow10(n); pow10[0]=1; for(int i=0;i+1<n;i++) pow10[i+1]=pow10[i]*10%MOD; ll res=0; int mask=(1<<SIZE)-1; for(int i=0;i<n;i++){ for(int bit=0;bit<(1<<SIZE);bit++){ if(dp[i][bit]==0) continue; for(int v=1;v<=7;v++){ int nex=(bit<<v)+(1<<(v-1))-1; nex&=mask; add(dp[i+1][nex],dp[i][bit]); } add(dp[i+1][mask],3*dp[i][bit]); } for(int bit=0;bit<(1<<SIZE);bit++){ if(isAccept[bit]){ ll r=pow10[n-1-i]; res+=r*dp[i+1][bit]; res%=MOD; dp[i+1][bit]=0; } } } cout<<res<<endl; return 0; }
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#include <cstdio> #include <bits/stdc++.h> #include <algorithm> #include <iostream> #include <string> #include <cmath> #include <functional> #include <vector> #include <stack> #include <queue> #include <map> #define rep(i,n) for (int i=0;i<n;i++) using ll = long long; using namespace std; void solve(){ } int main (){ ios::sync_with_stdio(0); cin.tie(0); ll n; cin >> n; if(n==0) { cout << 0; return 0; } vector<vector<ll>> a(33,vector<ll> (2)); a[0][0] = 1; a[0][1] = 0; ll m = 1; for(int i=1;i<33;i++){ m*=-2; if(m>0){ a[i][0] = a[i-1][0] + m; a[i][1] = a[i-1][1]; }else{ a[i][1] = a[i-1][1] + m; a[i][0] = a[i-1][0]; } } ll tmp = n; vector<int> ans(33,0); for(int i=32;i>0;i--){ if(tmp>0){ if(a[i][0]>=tmp&&tmp>a[i-1][0]){ ans[i] = 1; tmp = tmp - m; }else{ ans[i] = 0; } }else{ if(a[i][1]<=tmp&&tmp<a[i-1][1]){ ans[i] = 1; tmp = tmp - m; }else{ ans[i] = 0; } } m /= (-2); } if(tmp == 1){ ans[0] = 1; }else{ ans[0] = 0; } bool flag = false; for(int i=32; i >= 0; i--){ if(!flag){ if(ans[i]==1){ cout << ans[i]; flag = true; } }else{ cout << ans[i]; } } return 0; }
#include <bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,b,a) for(int i=b;i>=a;i--) #define fori(a) for(auto i : a ) #define all(a) begin(a), end(a) #define set(a,b) memset(a,b,sizeof(a)) #define sz(a) a.size() #define pi 3.14159 #define ll long long #define ull unsigned long long #define pb push_back #define PF push_front //deque #define mp make_pair #define pq priority_queue #define mod 1000000007 #define f first #define s second #define pii pair< int, int > #define vi vector<int> #define vpii vector<pii> #define debug(v) for(auto i:v) cout<<i<<" "; #define tc int t; cin >> t; while(t--) using namespace std; string repeat(string s, int n) { string s1 = ""; for (int i=0; i<n;i++) s1+=s; return s1; } string getString(char x) { string s(1, x); return s; } void optimizeIO(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } int gcd(int a, int b){ if (a == 0) return b; return gcd(b % a, a); } void solve(){ ll n; cin>>n; if(n==0){ cout<<0<<endl; return; } string ans=""; ll x=0; ll num=2; while(n!=0){ // cout<<n<<endl; if(abs(n)%num!=0){ if(x%2==0) n-= num/2; else n+= num/2; ans+="1"; } else ans+="0"; num*=2; x++; } reverse(all(ans)); cout<<ans<<endl; } int main(){ optimizeIO(); // tc { solve(); } }
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