solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; long long mod = 1e9 + 7; long long INF = 1e7; double EPS = 1e-12; double tick() { static clock_t oldt; clock_t newt = clock(); double diff = 1.0 * (newt - oldt) / CLOCKS_PER_SEC; oldt = newt; return diff; } long long int powP(long long int a, long long int b) { ...
6
#include <bits/stdc++.h> using namespace std; char s[10000011], T[10000011], S[5][10000011], t[10000011]; int P[10000011], Len, L[10000011], len, nxt[10000011], cnt, K; void Lyndon() { for (int i = 1; i <= len;) { int j = i, k = i + 1; while (k <= len && s[k] >= s[j]) { if (s[k] > s[j]) j = i; ...
5
#include<iostream> #include<cstdio> #define MAX_N 10000 using namespace std; const int INF = 1 << 30; int dp[2][MAX_N / 2 + 1][2]; int main() { int n, ans = INF, t[MAX_N + 1] = {}; scanf("%d", &n); for (int i = 0; i < 2; i++) { for (int j = 0; j < n / 2 + 1; j++) { fill(dp[i][j], dp[i][j] + 2, INF); } } for...
0
#include<bits/stdc++.h> using namespace std; typedef long long ll; const ll MOD = 1000000007; int n; ll c[60][60]; ll f[60][120]; int main() { c[0][0] = 1; for(int i = 0; i < 60; ++i) { c[i][0] = 1; for(int j = 1; j <= i; ++j) c[i][j] = (c[i - 1][j] + c[i - 1][j - 1]) % MOD; } scanf("%d", &n); f[1][n] =...
0
#include<bits/stdc++.h> using namespace std; long long t,a[1000020],k,l; int main(){ cin>>t; for(long long i=1;i<10;i++){ a[k++]=i; } while(1){ long long x=a[l],o=x%10; l++; if(o!=0)a[k++]=x*10+o-1; a[k++]=x*10+o; if(o!=9)a[k++]=x*10+o+1; if(k>=t){ cout<<a[t-1]<<endl;break; } } return 0; } /* S...
0
#include<bits/stdc++.h> using namespace std; typedef long long int Int; Int ans[10]; int main(void) { map<pair<int,int>,int> m; Int h,w,n; cin>>h>>w>>n; for(int i = 0;i < n;i++) { int a,b; cin>>a>>b; a--; b--; int dx[9] = {-2,-1,0,-2,-1,0,-2,-1,0}; int dy[9] = {-2,-2,-2,-1,-1,-1,0,0,...
0
#include <bits/stdc++.h> using namespace std; long long ara[300000], m, n, x, y, z; int main() { cin >> n; for (long long i = 1; i <= n; i++) cin >> ara[i]; long long prvoff = -1; for (long long i = 1; i <= n; i++) { if (prvoff == -1) { long long tmp = ara[i]; tmp = tmp % 2; if (tmp == 0) ...
2
#include <bits/stdc++.h> using namespace std; using ll = long long; using PII = pair<int, int>; const int mod = 998244353; const int inf = 1 << 30; const int maxn = 200000 + 5; int n, k, a[maxn]; ll pre[maxn], suf[maxn]; int main() { scanf("%d%d", &n, &k); map<int, int> cnt; for (int i = 1; i <= n; i++) { sca...
6
#include <bits/stdc++.h> using namespace std; int fin(string s, int i1) { int mi = 999999999; for (int d = 1; d <= 9; d++) { for (int i = i1; i < i1 + 10; i++) { if (i + 2 * d < s.length()) { if (s[i] == s[i + d] && s[i] == s[i + 2 * d]) { mi = min(mi, i + 2 * d); } } }...
4
#include <bits/stdc++.h> using namespace std; bool dbg = 0; void bad(string mes = "Impossible") { cout << mes; exit(0); } void bad(int mes) { cout << mes; exit(0); } template <typename T> string bin(T x, int st = 2) { string ans = ""; while (x > 0) { ans += char('0' + x % st); x /= st; } reverse...
2
#include <bits/stdc++.h> const long long MAX = 10000000000; using namespace std; long long pw(long a, int n) { long long res = 1; for (int i = 0; i < n; i++) { res *= a; if (res > MAX) return res; } return res; } int main() { long p, n, d, t, k, count, q; long long res = 0; cin >> n >> k; vector...
4
#include <iostream> int main(){ int a,p; std::cin>>a>>p; std::cout << (a*3+p)/2 << '\n'; }
0
#include<bits/stdc++.h> using namespace std; int main() { string a; cin>>a; if(int(a.find('C'))!=-1 and int(a.rfind('F'))!=-1&&a.find('C')<a.rfind('F'))//个人码风问题,习惯用and而不是&& cout<<"Yes"; else cout<<"No"; }
0
#include <bits/stdc++.h> using namespace std; inline long long read() { char ch = getchar(); long long x = 0, f = 1; while (ch < '0' || ch > '9') f = ch == '-' ? -1 : 1, ch = getchar(); while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar(); return x * f; } const int MAXN = 100010, MAXM = 200010...
3
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 17; int f(int m, int n, int d) { return m + ceil(double(d) / double(m + 1)); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; string s; cin >> s; int l = 0, r = 0; for (auto cur : s) (cur == 'L') ? ...
1
#include <bits/stdc++.h> int main() { int a, b, c = 0, d = 0, e, f; scanf("%d", &a); char s[a + 1]; scanf("%s", &s); for (b = 0; b < a - 1; b++) { if (s[b] == 'F' && s[b + 1] == 'S') { c++; } if (s[b] == 'S' && s[b + 1] == 'F') { d++; } } if (d > c) { printf("YES\n"); } e...
1
#include <bits/stdc++.h> using namespace std; using ll = long long; void NO () { cout << "No"; exit (0); } void YES (string ans) { cout << "Yes\n" << ans; exit (0); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, sum = 0, askiiA = 'A'; cin >> n; vector <string> a(n); int c[3+a...
0
#include<bits/stdc++.h> using namespace std; int main() { string S; cin >> S; sort(S.begin(), S.end()); if (S.at(0)==S.at(1) && S.at(2)==S.at(3) && S.at(0)!=S.at(2)) cout << "Yes\n"; else cout << "No\n"; }
0
#include <bits/stdc++.h> using namespace std; const int MAXN = 105; const long long L = 1e9; map<long long, pair<long long, long long> > mp; int a[MAXN], b[MAXN], c[MAXN]; int n, nn; long long ans, ans1, ans2; void dfs1(int cur, long long t, long long x, long long y, long long z) { if (cur == nn + 1) { long long ...
4
#include <bits/stdc++.h> using namespace std; using LL = long long; using PII = pair<int, int>; template <typename T, typename Add = std::plus<T>, typename Mul = std::multiplies<T>> struct Matrix { std::vector<std::vector<T>> D; Matrix(size_t m, size_t n) { D.resize(m); for (size_t i = 0; i < m; +...
3
#include<iostream> using namespace std; int main(){ string s,t; cin>>s>>t; int a,b; cin>>a>>b; string u; cin>>u; if( s == u){ a--; }else { b--; } cout<<a<<" "<<b; }
0
#include <bits/stdc++.h> using namespace std; const int MAXN = 5000; vector<tuple<int, int, int>> adjList[MAXN + 1]; tuple<int, int, int> edges[MAXN]; int ans[MAXN]; bool dfs(int v, int p, int target, int bt, int &minW) { if (v == target) return true; for (int i = 0; i < (int)adjList[v].size(); i++) { tuple<int...
6
#include <bits/stdc++.h> using namespace std; vector<pair<long long, long long> > v; bool comp(pair<long long, long long> a, pair<long long, long long> b) { long long x = min(a.first * 2, a.second) - a.first; long long y = min(b.first * 2, b.second) - b.first; return x > y; } int main() { int n, f; cin >> n >...
2
#include <bits/stdc++.h> const int N = 5e5 + 5; int s[N], num[N]; int find(int x) { if (x != s[x]) s[x] = find(s[x]); return s[x]; } void built(int x, int y) { x = find(s[x]), y = find(s[y]); if (x != y) { if (num[x] >= num[y]) { s[y] = x; num[x] += num[y]; } else { s[x] = y; num...
3
#include <stdio.h> #include <stdlib.h> const int map[7][2]={ {0,0}, /* 0:砂漠 */ {2,3}, /* 1:A XorY*/ {0,4}, /* 2:X 砂漠orZ*/ {2,0}, /* 3:Y Aor砂漠*/ {5,6}, /* 4:Z WorB*/ {6,3}, /* 5:W BorY*/ {3,2}, /* 6:B YorX*/ }; int main(void) { char route[200]; int i,P; while(0==0) { sc...
0
#include <bits/stdc++.h> using namespace std; const long long maxn = 2e5 + 5; long long n, sum, sum2, w, k, a[maxn], ti[maxn], ans; set<pair<long long, long long>> s; set<pair<long long, long long>, greater<pair<long long, long long>>> s1; bool mrk[maxn]; void f16_62() { while (s1.size()) { long long sz = s.size(...
6
#include <bits/stdc++.h> using namespace std; const unsigned long long N = 1e2 + 5; unsigned long long a, z[101], vis[101], ok = 0; vector<unsigned long long> ans; void dfs(unsigned long long u, unsigned long long le) { if (u % 3 == 0) { for (unsigned long long i = 1; i <= a; i++) { if (z[i] == u / 3 && vis...
4
#include <bits/stdc++.h> using namespace std; map<string, int> string_to_id; map<int, string> id_to_string; vector<vector<int>> adj; vector<int> in_degree; vector<int> out_degree; int get_id(const string& code) { if (string_to_id.count(code) == 0) { int size = string_to_id.size(); string_to_id[code] = size; ...
4
#include <bits/stdc++.h> template <typename T> inline T max(T a, T b) { return a > b ? a : b; } template <typename T> inline T min(T a, T b) { return a < b ? a : b; } template <typename T> inline T abs(T a) { return a > 0 ? a : -a; } template <typename T> inline bool repr(T &a, T b) { return a < b ? a = b, 1 : ...
1
#include <bits/stdc++.h> using namespace std; string to_string(const string& s) { return '"' + s + '"'; } string to_string(bool b) { return (b ? "true" : "false"); } template <size_t N> string to_string(bitset<N> v) { string s = ""; for (size_t i = 0; i < N; i++) { s += static_cast<char>('0' + v[i]); } retu...
5
#include <bits/stdc++.h> using namespace std; const int mod = 998244353; map<string, int> dp; void add(int &a, int b){ a += b; if(a >= mod) a -= mod; } void merge(string &a, string b){ int n = b.length(); for(int i = 0;i < n;i++){ if(b[i] == '0') a[i] = '0'; } } int ...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 100000; int a[maxn]; int main() { int n; scanf("%i", &n); for (int i = 0; i < n; i++) scanf("%i", &a[i]); int cnt = 0; int l = 0, r = 0; for (int i = 1; i < n; i++) if (a[i - 1] > a[i]) { if (cnt == 2) { printf("NO\n"); ...
3
#include <bits/stdc++.h> using namespace std; const int inf = 1000000000; vector<string> a; vector<int> pA, pB; vector<vector<int> > dp; int n, m, x, y; int getPA(int l, int r) { return pA[r] - (l ? pA[l - 1] : 0); } int getPB(int l, int r) { return pB[r] - (l ? pB[l - 1] : 0); } int main() { cin >> n >> m >> x >> y;...
3
#include<stdio.h> int main(){float n,m,d;scanf("%f%f%f",&n,&m,&d);printf("%lf",(d?2:1)*(n-d)*(m-1)/n/n);}
0
#include <bits/stdc++.h> using namespace std; int main() { int s, x1, x2, p, d, t1, t2, ans = 0; cin >> s >> x1 >> x2 >> t1 >> t2 >> p >> d; if (t1 >= t2) { ans = (abs(x2 - x1)) * t2; } else if (x2 < x1) { if (p >= x1 and d == -1) ans = min(t1 * (p - x2), t2 * (x1 - x2)); else if (d == -1 and ...
3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n + 1], b[n + 1], x; for (int i = 1; i <= n; i++) { cin >> x; a[x] = i; } for (int i = 1; i <= n; i++) { cin >> x; b[i] = a[x]; } for (int i = 1; i <= n; i++) { cout << b[i] << " "; } return 0; }
6
#include <bits/stdc++.h> using namespace std; using ll = long long; template <typename T> using PQ = priority_queue<T>; template <typename T> using GPQ = priority_queue<T, vector<T>, greater<T>>; template <class L, class R> ostream& operator<<(ostream& os, pair<L, R> p); template <class T> ostream& operator<<(ostream& ...
2
#include <bits/stdc++.h> using namespace std; long long int inf = 1000000ll * 1000000 + 200; long long int mod = 998244353; const int maxn = 2e5 + 2000; long long int fen[maxn], h[maxn]; void inc(int i) { for (; i < maxn; i += i & -i) { fen[i]++; } } void dec(int i) { for (; i < maxn; i += i & -i) { fen[i...
3
#include <bits/stdc++.h> using namespace std; int times(int a, int b) { int s = 0; while (a) { a /= b; s++; } return s; } int main() { int t, a[100001] = {}, b, s = 0, c = 0, n, i, j, x; int d; char s1[101], s2[101]; cin >> n; s = n; for (i = 0; i < n; i++) cin >> a[i]; for (i = 0; i < n -...
1
#include <iostream> #include <cmath> using namespace std; int main() { long n, k; cin >> n >> k; cout << (n - 1 + (k - 1) - 1) / (k - 1) << endl; return 0; }
0
#include <bits/stdc++.h> double low = 0, high = INFINITY; void restrict(int init, int dir, int min, int max) { if (dir > 0) { low = std::max(low, double(min - init) / dir); high = std::min(high, double(max - init) / dir); } else if (dir < 0) { low = std::max(low, double(max - init) / dir); high = st...
3
#include <bits/stdc++.h> using namespace std; int main() { int a[5], a1, a2, a3, a4, sum = 0, k; cin >> a1 >> a2 >> a3 >> a4; a[1] = a1; a[2] = a2; a[3] = a3; a[4] = a4; string s; cin >> s; for (int i = 0; i < s.size(); i++) { k = s[i] - 48; sum = sum + a[k]; } cout << sum << endl; }
1
#include <bits/stdc++.h> using namespace std; bool isprime(long long int n) { if (n <= 1) return false; if (n <= 3) return true; if (n % 2 == 0 || n % 3 == 0) return false; for (long long int i = 5; i * i <= n; i = i + 6) if (n % i == 0 || n % (i + 2) == 0) return false; return true; } int main() { int ...
2
#include<iostream> #include<algorithm> using namespace std; int a[12]; int main(){ for(int i=0;i<12;i++)cin>>a[i]; sort(a,a+12); bool ok=true; for(int i=0;i<12;i++){ if(i%4!=3)if(a[i]!=a[i+1])ok=false; } if(ok)cout<<"yes"<<endl; else cout<<"no"<<endl; return 0; }
0
/* * じょえチャンネル * 高評価・チャンネル登録よろしくお願いします! * https://www.youtube.com/channel/UCRXsI3FL_kvaVL9zoolBfbQ */ #include<bits/stdc++.h> int main(){ using namespace std; unsigned long k, q; cin >> k >> q; vector<unsigned long> d(k); for(auto& i : d)cin >> i; const auto& query = [&](unsigned long n, un...
0
#include <bits/stdc++.h> using namespace std; using ll = long long; const int MAX_N = 1e5+2; int n; int a[MAX_N]; void solve() { sort(a,a+n); int x=a[n-1], y=-x/2; for(int i=0;i<n-1;++i){ if(abs(1.0*x/2-a[i]) < abs(1.0*x/2-y)) y=a[i]; } cout << x << ' ' << y << '\n'; } int main() { cin >> n; for(int i=0;i<n...
0
#include <bits/stdc++.h> int main() { int n; scanf("%d", &n); printf("%d\n", n / 2 + 1); return 0; }
1
#include <map> #include <set> #include <ctime> #include <queue> #include <stack> #include <cmath> #include <vector> #include <bitset> #include <cstdio> #include <cctype> #include <string> #include <numeric> #include <cstring> #include <cassert> #include <climits> #include <cstdlib> #include <iostream> #include <algorit...
0
#include <bits/stdc++.h> using namespace std; int main() { ios ::sync_with_stdio(0); cin.tie(0); cout.tie(0); int q, n; long long x, s = 0; cin >> q; while (q--) { cin >> n; s = 0; for (int i = 0; i < n; i++) { cin >> x; if (x <= 2048) { if (s < 2048) s = s + x; } ...
1
#include<bits/stdc++.h> using namespace std; int main(){ long long X; cin >> X; for(long long i=-200;i<201;i++){ for(long long j=-200;j<201;j++){ if(i*i*i*i*i-j*j*j*j*j==X){ cout << i << " " << j << endl; return 0; } } } }
0
#include <bits/stdc++.h> using namespace std; const long long mod = 9223372034707292160; const int maxn = 2e5 + 5; long long geshu(long long a) { int sum = 0; for (int i = 1; i <= sqrt(a); i++) { if (a % i == 0) { sum++; if (a / i != i) sum++; } } return sum - 2; } int main() { int t; sc...
4
#include<iostream> #include<cmath> #include<algorithm> using namespace std; int dp[201][201]; int t[201],u[201],v[201],w[201]; int N,D,ans=0; int main(){ cin>>N>>D; for(int i=1;i<=N;i++)cin>>t[i]; for(int i=1;i<=D;i++){ cin>>u[i]>>v[i]>>w[i]; if(t[1]<u[i]||v[i]<t[1])dp[1][i]=-1; else dp[1][i]=0; } ...
0
#include <bits/stdc++.h> #define Int int64_t using namespace std; int main() { constexpr Int INF = 1e18; int N; cin >> N; vector<Int> a(N); for (int i = 0; i < N; ++i) { cin >> a[i]; } int skip = 1 + N % 2; vector<vector<Int>> dp(N + 2, vector<Int>(skip + 1, -INF)); dp[0][0] = 0; for (int i = 0; i <= N; ++i...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int q, x; cin >> q >> x; vector<int> rem(x); vector<bool> a(q); int mes = 0; for (int i = 0; i < q; i++) { int y; cin >> y; int r = y % x; rem[r]++; long long ind = (long long)...
4
#include<cstdio> #include<algorithm> int h[100000]; int main(){ int n,k; scanf("%d%d",&n,&k); for(int i=0;i<n;i++)scanf("%d",&h[i]); std::sort(h,h+n); for(int i=0;i+k-1<n;i++)h[i]=h[i+k-1]-h[i]; std::sort(h,h+(n+1-k)); printf("%d",h[0]); return 0; }
0
#include <bits/stdc++.h> #define ll long long #define ii pair<int, int> #define fi first #define se second #define multitest \ int t; \ cin >> t; \ while (t--) using namespace std; const int N = 32; int main() { ios::sync_with_stdio(false); multitest { int n, w; cin >...
2
#include <iostream> #include <cstdio> using namespace std; char c; int n,m; int f[110][110][110][110]; int linex[110][110],liney[110][110]; int X,Y; struct LIMIT{ int u,d,l,r; }L; int main(){ scanf("%d%d",&n,&m); for (int i=1;i<=n;i++) for (int j=1;j<=m;j++){ scanf("%c",&c); while (c!='.'&&c!='o'&&c!='E') sc...
0
#include <bits/stdc++.h> long long maxx, maxy; void judge(long long x, long long y) { if (x * y > maxx * maxy) { maxx = x; maxy = y; return; } if ((x * y == maxx * maxy) && (x > maxx)) { maxx = x; maxy = y; return; } } int main() { long long s; long long i; long long x, y; long l...
2
#include <iostream> using namespace std; int main(){ string s; int n=0; cin >> s; for (auto &c:s) { if (c=='+') n++; else n--; } cout << n << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; string s; long long ans, all1, all1full, bonus, All1[1000006]; vector<pair<long long, long long> > v; stack<pair<int, long long> > zeroes; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> s; long long sz = s.size(), l = 0; while (l < sz && s[l] == '0')...
5
#include <bits/stdc++.h> using namespace std; int main() { long long i, min_, j, k, n, z, cnt, arr[30][30], ans[100005]; for (i = 0; i < 30; i++) { for (j = 0; j < 30; j++) { arr[i][j] = 1123456789LL; } } string str1, str2, sx, sy, str, ch; cin >> str1 >> str2 >> n; for (i = 1; i <= n; i++) { ...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t; cin >> t; while (t--) { long long int x, n; cin >> x >> n; if (n == 0) cout << x << endl; else if (n > 0) { long long int nums = (n / 4) * 4; n...
2
#include <bits/stdc++.h> using namespace std; void array_print(vector<char> a, long long int n) { for (long long int i = 0; i < n; i++) { cout << a[i]; } cout << "\n"; } void pair_print(vector<pair<long long int, long long int> > p, long long int n) { for (long long int i = 0; i < n; i++) { ...
3
#include <bits/stdc++.h> using namespace std; int main() { long long n, m, a; cin >> n >> m >> a; long long x = n / a; if (n % a != 0) x++; long long y = m / a; if (m % a != 0) y++; cout << x * y << endl; }
1
#include <bits/stdc++.h> using namespace std; const int maxn = 10000000; int pi[maxn + 10], pa[maxn + 10]; bool zhi[maxn + 10]; bool hui[maxn + 10]; void mk_zhi() { memset(zhi, 1, sizeof(zhi)); for (int i = 4; i <= maxn; i += 2) zhi[i] = false; for (int i = 3; i <= maxn; i += 2) { if (zhi[i]) { for (int...
1
#include <bits/stdc++.h> using namespace std; int main (){ string s; cin >> s; if (s[0] == s[1] || s[1] == s[2] || s[2] == s[3] ) { cout << "Bad"; } else { cout << "Good"; } }
0
#include <bits/stdc++.h> using namespace std; const int MAXN = 1005; bool g[MAXN][MAXN]; void a(int x, int y) { g[x][y] = g[y][x] = true; } int n; void out() { vector<int> p(n); for (int i = 0; i < (int)(n); i++) p[i] = i; p[1] = n - 1; p[n - 1] = 1; cout << n << endl; for (int i = 0; i < (int)(n); i++) { ...
2
#include <bits/stdc++.h> using namespace std; using namespace std; bool debug = 1; int main() { int n, m; scanf("%d %d", &n, &m); int amn[n]; fill(amn, amn + n, 0); for (int i = 0; i < m; i++) { int x, y; scanf("%d %d", &x, &y); x--, y--; amn[x]++, amn[y]++; } bool ok = 1; int k = 0; i...
2
#include <bits/stdc++.h> using namespace std; template <class T> using vc = vector<T>; template <class T> using vvc = vc<vc<T>>; template <class T> void mkuni(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); } long long rand_int(long long l, long long r) { static mt19937_64 ...
5
#include <bits/stdc++.h> using namespace std; long long int arr[100010]; int main() { long long int num, i, flag, div; cin >> num; for (i = 0; i < num; i++) cin >> arr[i]; sort(arr, arr + num); div = arr[0]; flag = 1; for (i = 0; i < num; i++) { while (arr[i] % 2 == 0 || arr[i] % 3 == 0) { if (a...
1
#include <bits/stdc++.h> using namespace std; struct treap; typedef treap *ptreap; const unsigned long long mod = 1000000007ll; unsigned long long k, dp[100000][11], n, m, a, ans; ptreap tree = NULL; struct treap { ptreap l, r; unsigned long long x, sum[11], key, index; treap(unsigned long long x, unsigned long l...
3
#include <bits/stdc++.h> using namespace std; const int N = 2005; const int mod = 1e9 + 7; const int inf = 1e9; int n; char s[N], ans[N]; map<string, int> mp; string pre[N]; int main() { scanf("%d", &n); if (n == 1) { printf("? %d %d\n", 1, n); fflush(stdout); scanf("%s", s); printf("! %s\n", s); ...
3
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { if (a < b) swap(a, b); if (b == 0) return a; while ((a = a % b) != 0) { swap(a, b); } return b; } long long mpow(long long x, long long y, long long m) { long long res = 1; while (y > 0) { if (y & 1) res = res ...
5
#include <bits/stdc++.h> using namespace std; const int maxn = 100001; const int inf = 0x7f7f7f7f; const int mod = (int)(1e9 + 7); const long long INF = 1LL << 50; const double eps = 1e-8; const double pi = acos(-1.0); const int mask = 65535; vector<int> W[maxn]; bool ok(int x, int y) { if (x >= maxn || y >= maxn) re...
4
#include <bits/stdc++.h> using namespace std; class dsu { vector<int> p; public: dsu(int n) { p.resize(n); iota(p.begin(), p.end(), 0); } int get(int v) { return (v == p[v] ? v : p[v] = get(p[v])); } void unite(int u, int v) { p[get(u)] = get(v); } }; int main() { ios::sync_with_stdio(0); cin.ti...
4
#include <bits/stdc++.h> template <typename T> std::istream& operator>>(std::istream& input, std::vector<T>& v) { for (T& a : v) input >> a; return input; } void no_answer() { std::cout << -1 << '\n'; } void answer(const std::vector<unsigned>& v) { const char* separator = ""; for (const unsigned x : v) { st...
3
#include <bits/stdc++.h> using namespace std; const bool TEST = false; using ll = long long; const ll MAXX = ll(1e18); int n; ll l; ll D; int nq = 0; map<pair<int, ll>, ll> cache; ll f(int i, ll x) { if (cache.count({i, x})) return cache[{i, x}]; nq += 1; assert(nq <= 199999); if (TEST) return min(x / (i + 1), ...
5
#include <bits/stdc++.h> using namespace std; const int MAXn = 21, MAXx = (1 << 20), anti = MAXx - 1; long double sum[MAXx], dp[MAXx], prob[MAXn]; int n, k, kk; vector<int> vec[MAXn + 2]; bool flag[MAXx]; int main() { cin >> n >> k; for (int i = 0; i < n; i++) { cin >> prob[i]; if (prob[i] > 0) kk++; } ...
5
#include <bits/stdc++.h> using namespace std; unsigned int get_mask(int m) { unsigned int res = (1 << m) - 1; res <<= (32 - m); return res; } int count(vector<unsigned int> &ips, unsigned int mask) { unsigned int pr = 1; unsigned int temp; int count = 0; for (vector<unsigned int>::iterator it = ips.begin(...
3
#include<iostream> #include<algorithm> #include<cstring> using namespace std; int dp[100100]; int n,l; int a[100100]; int rec(int p){ if(0<=dp[p])return dp[p]; if(a[p-1] < a[p] && a[p] < a[p])return dp[p] = l-a[p]; int tmp = 0; if(a[p]<a[p-1])tmp = max(tmp,rec(p-1)); if(a[p]<a[p+1])tmp = max(tmp,rec(p...
0
#include<bits/stdc++.h> using namespace std; typedef long long int ll; #define rep(i,n) for(ll i=0;i<n;i++) #define ALL(a) (a).begin(),(a).end() ll n,m; ll p[100000],y[100000]; vector<ll> yd[100001]; int main(){ cin>>n>>m; rep(i,m){ cin>>p[i]>>y[i]; yd[p[i]].push_back(y[i]); } rep(i,n){ sort(ALL(yd...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; const int mod = (int)1e9 + 7; struct edge { int u, v, c, f; edge() {} edge(int u, int v, int c) : u(u), v(v), c(c), f(0) {} int nxt(int x) { return x ^ u ^ v; } }; struct FLOW { int N, s, t, d[maxn], cur[maxn]; vector<edge> E; vector<...
2
#include <bits/stdc++.h> using namespace std; const int maxn = 100007; const int ooi = 1e9 + 7; const long long mod = 1e9 + 7; const long long ool = 1e18 + 7; long long cost[maxn]; long long used[maxn]; long long has[maxn]; long long yu1; int main(void) { ios::sync_with_stdio(false); cin.tie(0); int n, q; cin >...
2
#include <bits/stdc++.h> char s[500005]; int x[300005], y[300005]; inline bool check(int n, int val) { int xL = 0, xR = INT_MAX, yL = 0, yR = INT_MAX, zL = INT_MIN, zR = INT_MAX; for (register int i = 1; i <= n; ++i) { xL = ((xL) > (x[i] - val) ? (xL) : (x[i] - val)); xR = ((xR) < (x[i] + val) ? (xR) : (x[i...
3
#include <bits/stdc++.h> using namespace std; const long long N = 6e5 + 10; pair<long long, long long> a[N], b[N]; long long limit[N][50]; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); long long n, m; cin >> n >> m; long long maxi = 0; for (long long i = 1; i <= n; i++) { cin >> a[i].first >> a[...
5
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s, p; cin >> s >> p; int n = s.size(); vector<int> pos(n); for (int c1 = 0; c1 < n; c1++) { cin >> pos[c1]; pos[c1]--; } reverse(pos.begin(), pos.end()); int l...
1
// tsukasa_diary's programing contest code template #include <bits/stdc++.h> using namespace std; // define #define for_(i,a,b) for(int i=a;i<b;++i) #define for_rev(i,a,b) for(int i=a;i>=b;--i) #define allof(a) a.begin(),a.end() #define minit(a,b) memset(a,b,sizeof(a)) #define size_of(a) (int)a.size() // typedef typede...
0
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 10, mod = 20090717, inf = 2e9 + 10; int dp[110][55][310][2], m, n; char a[N]; int main() { scanf("%s%d", a + 1, &m); n = strlen(a + 1); dp[0][0][100][1] = 1; for (int i = 0; i < n; ++i) { for (int j = 0; j <= m; ++j) { for (int k = 0; k...
3
#include <bits/stdc++.h> using namespace std; int n, m, arr[1000001], k[1000001]; int main() { scanf("%d %d", &n, &m); if (n / m < 3) printf("-1\n"); else { memset(k, 0, sizeof(k)); int coun = 1; for (int i = 1; i <= n; i++) { if (i <= m) { arr[i] = i; k[i]++; } else { ...
3
#include <bits/stdc++.h> using namespace std; const int N = 110, M = 4, inF = N * N * N; int n, ans = inF; string s[M][N]; vector<int> vec = {0, 1, 2, 3}; int check(int dex, int b) { int res = 0; for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) res += (s[dex][i][j] - '0' != ((i + j + b) & 1)); re...
3
#include <bits/stdc++.h> using namespace std; int i, j, cnt = 0; long long p = 1000000007; long long pre[100] = {0, 1}; long long a[100] = {1, 2}; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long l, r, ans = 0; cin >> l >> r; for (int i = 2; i <= 60; i++) { a[i] = ...
3
#include<iostream> #include<cstdio> #include<cstring> using namespace std; int n,a[100010],b[100010]; int main() { scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%d",&a[i]); if(a[i]<=n) b[a[i]]++; } int all=0; for(int i=1;i<=n;i++) if(b[i]!=0) { if(b[i]<i) continue; else all+=i; } printf("%d",n-...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n; string Name, in; vector<vector<int> > v(n, vector<int>(3, 0)); vector<string> names(n); for (int i = 0; i < n; ++i) { cin >> m; cin >> names[i]; for (int j = 0; j < m; ++j) { cin >> in; char x = in[0]; ...
2
#include<iostream> #include<algorithm> #include<cstring> using namespace std; int n; int x[5000], y[5000], maxn; bool p[7000][7000]; int Ax, Ay, Bx, By, Cx, Cy, Dx, Dy; int main() { while (true) { memset(p, false, sizeof(p)); cin >> n; maxn = 0; if (n == 0) { break; } for (int i = 0; i < n; i++) { cin >...
0
#include <bits/stdc++.h> using namespace std; long long a[100][100]; int main() { long long i, j, n, m, t, ans = 0; a[0][0] = 1; for (i = 1; i < 40; i++) for (j = 0; j <= i; j++) { a[i][j] = a[i - 1][j]; if (j) a[i][j] += a[i - 1][j - 1]; } cin >> n >> m >> t; t -= 5; for (i = 0; i <= t;...
3
#include <bits/stdc++.h> using namespace std; template <typename A, typename B> ostream &operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } template <typename T_container, typename T = typename enable_if< !is_same<T_container, s...
3
#include <bits/stdc++.h> using namespace std; string s, t, ans; int alphabets[128]; int i = 0; void find_matching() { for (i = 0; i < s.length(); ++i) ++alphabets[s[i]]; for (i = 0; i < t.length(); ++i) { if (alphabets[t[i]] > 0) { ans[i] = t[i]; --alphabets[t[i]]; continue; } break; ...
4
#include <bits/stdc++.h> using namespace std; int main() { long t, a, b; cin >> t; while (t--) { cin >> a >> b; if (a == b) cout << "0\n"; else { if (a > b) (a - b) % 2 ? cout << "2\n" : cout << "1\n"; else (b - a) % 2 ? cout << "1\n" : cout << "2\n"; } } }
1
#include <bits/stdc++.h> using namespace std; int a[102]; int main() { int n, d, m, c = 0; cin >> n >> d; for (int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); cin >> m; for (int i = 0; i < m; i++) { c += a[i]; } if (n < m) { c += (n - m) * d; } cout << c; return 0; }
1
#include <bits/stdc++.h> using namespace std; int a[200200]; int main() { int n, l, r, m, p; scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); } sort(a, a + n); l = 0; r = a[n - 1]; while (l < r) { m = (l + r) / 2; p = 0; for (int i = 0; i < 3; ++i) { p = upper_bou...
3