solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; static const long double epsilon = 1e-15; static const long double pi = acos((long double)-1); using namespace std; inline void init_io() { ios_base::sync_with_stdio(false); cin.tie(NULL); } struct data {...
2
#include <bits/stdc++.h> using namespace std; int main(){ int N, M, i, S=0, X=0; cin >> N >> M; vector<int> A(N); for(i=0; i<N; i++){ cin >> A[i]; S+=A[i]; } int T=(S+4*M-1)/(4*M); for(i=0; i<N; i++){ if(A[i]>=T){ X++; } } string ans=""; if(M<=X){ ans="Yes"; }else{ ans="No"; } cout << ans << "\n"; }
0
#include <bits/stdc++.h> #pragma GCC target("sse2") #pragma GCC optimization("O2") #pragma GCC optimization("unroll-loops") #pragma GCC optimize "trapv" using namespace std; const int maxn = 1000500; inline int g() { int x; cin >> x; return x; } inline long long gl() { long long x; cin >> x; return x; } inl...
5
#include <bits/stdc++.h> using namespace std; const int maxn = 800009; int c[maxn], h[maxn], x[maxn], ans[maxn], pre[maxn], suf[maxn]; int n, Q, m, p, LIS, vis[maxn], res[maxn]; pair<int, pair<int, int> > q[maxn]; int del() { int n = 1; for (int i = 2; i <= m; i++) if (x[i - 1] != x[i]) x[++n] = x[i]; return ...
4
#include <bits/stdc++.h> using namespace std; int a, b; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); if (ifstream("test.inp")) cin.rdbuf((new ifstream("test.inp"))->rdbuf()); cout.precision(9); cout << fixed; cin >> a >> b; if (a == b) cout << a; else { double v = (b - a) / 2.0; ...
1
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; long long n; int main() { scanf("%I64d", &n); vector<long long> sz; for (long long i = 1; i * i <= n; i++) { if ((n % i) == 0) { sz.push_back(i); if (i != n / i) { sz.push_back(n / i); } } } n = sz.size...
2
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 7; int n, cnt; int c[N], u, v, pset[N]; long long ret = 0; vector<int> edge[N], ans; vector<pair<pair<int, int>, pair<int, int> > > sv; void dfs(int u, int par) { int lef = cnt; bool leaf = true; for (int v : edge[u]) { if (v == par) continue; ...
4
#include<cstdio> #include<algorithm> using namespace std; typedef long long ll; ll ans=0,n,i,j,u,k,x,y,p,sum,st,ok=0,pos[605],dp[2][1205][1205],fac[605],inv2[605],invfac[605]; const ll mod=1e9+7; ll pow(ll a,ll b) { ll ans=1; while(b) { if(b&1)ans=ans*a%mod; a=a*a%mod; b>>=1; } return ans; } ll col(ll a){ret...
0
#include <bits/stdc++.h> using namespace std; set<int> s; int n, m, l, r, x, a[int(3e5) + 123]; int main() { cin >> n >> m; for (int i = 1; i <= n; i++) s.insert(i); s.insert(int(1e9)); for (int i = 1; i <= m; i++) { cin >> l >> r >> x; int j = *s.lower_bound(l); while (1) { if (j == int(1e9))...
3
#include <bits/stdc++.h> using namespace std; long long a[300005][2]; int main() { int t; cin >> t; while (t--) { int n; cin >> n; long long sum = 0; long long m = 1e14; for (int i = 0; i < n; i++) { scanf("%lld%lld", &a[i][0], &a[i][1]); } if (n == 1) { cout << a[0][0] << ...
3
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization("unroll-loops") using namespace std; int parent[150000]; int size[150000]; long long int edges[150000]; struct dsu { void init(int n) { for (int i = 0; i < n; ++i) { parent[i] = i; size[i...
2
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll n,p; cin >> n >> p; vector<ll> x(1000000); if(n==1){ cout << p << endl; } else{ for(ll i=2;i<=1000000;i++){ while(p%i==0){ x[i]++; p/=i; } } ll ans=1; for(ll i=2;i<=1000000;i++){ for(int j=1...
0
#include <bits/stdc++.h> using namespace std; int main() {char c; cin >> c; string s = "aeiou"; cout << (s.find(c) != string::npos ? "vowel" : "consonant") << endl;}
0
#include <bits/stdc++.h> using namespace std; long long por[70]; int main() { long long l, r, i, j, k, m, n, x; ios::sync_with_stdio(0); cin.tie(NULL); cin >> n; por[0] = 1; for (i = 1; i < 70; i++) por[i] = por[i - 1] * 2; while (n--) { cin >> l >> r; m = log2(r + 1); if (por[m] - 1 >= l) ...
1
#include <bits/stdc++.h> using namespace std; int bPow(int v, int u, int mod) { if (!u) return 1; int res = bPow(v, u / 2, mod); res = (res * 1ll * res) % mod; if (u & 1) res = (res * 1ll * v) % mod; return res; } void faster() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); if (0) { ...
1
#include <bits/stdc++.h> using namespace std; inline long long read() { long long x = 0; int f = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1; for (; isdigit(ch); ch = getchar()) x = x * 10 + (ch ^ 48); return x * f; } void print(long long x) { if (x < 0) x = -x, ...
3
#include <bits/stdc++.h> using namespace std; const int M = 100; char s[M]; char ss[M]; int main() { int t; scanf("%d", &t); while (t--) { scanf("%s", s); int num1 = 0, num2 = 0; if (s[0] == 'R') { int i = 1; while ('0' <= s[i] && s[i] <= '9') num1 = num1 * 10 + s[i++] - '0'; if (i >...
2
#include <bits/stdc++.h> using namespace std; const int N = 3005; int n, fa[N], dfn[N], ord, mark[N], len, vis[N]; vector<int> G[N]; void dfs(int u) { dfn[u] = ++ord; for (auto& v : G[u]) if (v ^ fa[u]) { if (!dfn[v]) { fa[v] = u; dfs(v); } else if (dfn[v] < dfn[u]) { for (in...
4
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int a[m + 1]; int b[m + 1]; for (int i = 0; i < m; i++) { cin >> a[i]; b[i] = a[i]; } int res1 = 0; for (int p = 1; p <= n; p++) { int mmax = 0; int chos = 0; for (int i = 0; i < m; i++) { if (m...
2
#include<iostream> #include<algorithm> using namespace std; typedef long long ll; int main(){ ll h,w; cin >> h >> w; ll ans=h*w; for(int k=0;k<2;k++){ for(ll i=1;i<=h;i++){ ll tmp; ll sa,sb,sc; ll sm,sM; sa=i*w; sb=(h-i)/2*w; sc=h*w-(sa+sb); sM=max({sa,sb,sc}); sm=min({sa,sb,sc}); tmp=s...
0
#include <bits/stdc++.h> using namespace std; int main(void) { long long a, b, c, d, V, M; cin >> a >> b >> c >> d; M = max(3 * a / 10, a - a / 250 * c); V = max(3 * b / 10, b - b / 250 * d); if (V > M) cout << "Vasya"; else if (V < M) cout << "Misha"; else cout << "Tie"; return 0; }
1
#include <bits/stdc++.h> using namespace std; template <class T> inline T bigmod(T p, T e, T M) { long long ret = 1; for (; e > 0; e >>= 1) { if (e & 1) ret = (ret * p) % M; p = (p * p) % M; } return (T)ret; } template <class T> inline T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); } ...
4
#include<iostream> using namespace std; char a[200005]; int main(){ int k; int total=0; int count=0; cin>>k; for(int i=1;i<=k;i++){ cin>>a[i]; if(a[i]=='R'){ count++; } } for(int i=1;i<=count;i++){ if(a[i]!='R'){ total++; } } cout<<total<<endl; }
0
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; const int MAX = 1e9 + 5; long long i, j, k, n, m, Right[N][2], Left[N][2], ans, C[N]; int main() { scanf("%lld", &n); for (int i = 1; i <= n - 1; i++) scanf("%lld", &C[i]); for (int i = n; i >= 1; i--) { Right[i][0] = (C[i] != 1) * Right[i +...
3
#include <bits/stdc++.h> using namespace std; int read() { int w = 0, f = 1; char c = ' '; while (c < '0' || c > '9') f = (c == '-' ? -f : f), c = getchar(); while (c >= '0' && c <= '9') w = w * 10 + c - '0', c = getchar(); return w * f; } int n, a[5005], b[5005], c[5005], d[5005], t[5005], ans, p[5005], vis[...
4
#include <bits/stdc++.h> using namespace std; int main() { int n, s; cin >> n >> s; vector<int> a(n); for (auto&& e : a) cin >> e; int ans = 0; vector<int> dp(s + 1); for (int i = 0; i < n; i++) { dp[0] = i + 1; for (int j = s; j >= a[i]; j--) { dp[j] += dp[j - a[i]]; dp[j] %= 9...
0
#include <bits/stdc++.h> using namespace std; void RI() {} template <typename... T> void RI(int& head, T&... tail) { scanf("%d", &head); RI(tail...); } mt19937 rng(0x5EED); int randint(int lb, int ub) { return uniform_int_distribution<int>(lb, ub)(rng); } const int INF = 1029384756; struct Edge { int v, f, c, r...
5
#include <bits/stdc++.h> using namespace std; using ii = pair<int, int>; using ll = long long; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s, x; cin >> s; x = s; for (int i = s.size() - 1; i >= 0; i--) x[i] = max(s[i], x[i + 1]); for (int i = 0; i < s.size(); i++) if (s[i] ...
1
#include<iostream> #include<iomanip> #include<vector> #include<string> #include<cstring> #include<map> #include<set> #include<queue> #include<stack> #include<algorithm> #include<cmath> #include<cstdio> #include<cstdlib> #include<climits> #include<fstream> #define MOD (1000000007) using namespace std; typedef long lo...
0
#include <iostream> #include <vector> using namespace std; int main() { int n, sum = 0; while (true) { cin >> n; if (n == 0) break; else { vector<int>a(n); for (int i = 0; i < n; i++) { cin >> a.at(i); sum += a.at(i); } double ave = sum / n; int ans = 0; for (int i = 0; i < n; i++) { ...
0
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ int t; cin>>t; while(t-->0){ ll a,b,k; cin>>a>>b>>k; ll f1[a+1]; ll f2[b+1]; memset(f1,0,sizeof(f1)); memset(f2,0,sizeof(f2)); for(int i=0;i<k;i++){ int data; ...
3
#include <bits/stdc++.h> using namespace std; const int N = 2e4 + 5; int n, k, len, tot, a[N], ans = 1e8, vis[11], Min, num[11]; char s[N], anss[N], str[N]; int main() { cin >> n >> k >> s; len = strlen(s); for (int i = 0; i < len; i++) num[s[i] - '0']++; for (int i = 0; i <= 9; i++) { int tot = num[i], sum...
3
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; int n, m, k; long long ans; int main() { cin >> n >> m >> k; if (k == 1 || k > n) { ans = 1; for (int i = 1; i <= n; ++i) ans = ans * m % MOD; } else if (k == n) { ans = 1; int t = (n + 1) / 2; for (int i = 1; i <= t; ++...
4
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); long long cnt = 0; int k2, k3, k5, k6; cin >> k2 >> k3 >> k5 >> k6; while (k6 && k5 && k2) { cnt += 256; k6--, k5--, k2--; } while (k3 && k2) { k3--, k2--; cnt += 32; } cout << cnt; ...
2
#include <bits/stdc++.h> using namespace std; long long tree[4 * 11111 + 1], arr[11111]; void init(int left, int right, int index) { if (left == right) { tree[left] = arr[index]; } } int main() { int N; cin >> N; long long arr[N]; for (int i = 0; i < N; i++) { cin >> arr[i]; } long long fig = 0;...
2
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; int main() { cin.tie(0); ios_base::sync_with_stdio(false); int n; while (cin >> n, n) { vector<int> M(n), mask(n); vector<ll> L(n); for (int i = 0; i < n; i++) { cin >> M[i] >> L[i]; for ...
0
#include <bits/stdc++.h> using namespace std; int A[10] = {2, 7, 2, 3, 3, 4, 2, 5, 1, 2}; int main() { int a, b; string s; cin >> s; for (int i = 0; A[i]; i++) { if (s[0] - '0' == i) a = A[i]; if (s[1] - '0' == i) b = A[i]; } cout << a * b << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; inline long long read() { long long x = 0, f = 1; char a = getchar(); while (a < '0' || a > '9') { if (a == '-') f = -1; a = getchar(); } while (a >= '0' && a <= '9') x = x * 10 + a - '0', a = getchar(); return x * f; } int n, k, head[200000 + 5], cnt = ...
2
#include <bits/stdc++.h> using namespace std; int n, a, bit[100010]; void update(int x, int val) { for (; x <= n; x += x & -x) bit[x] += val; } int query(int x) { int sum = 0; for (; x > 0; x -= x & -x) sum += bit[x]; return sum; } set<pair<int, int> > s; set<pair<int, int> >::iterator it; int main() { scanf(...
2
#include <bits/stdc++.h> using namespace std; int N, ans, tot; int ar[1002][1002]; int main() { cin >> N; while (tot <= N) { ans++; tot += ans; } cout << ans << endl; tot -= ans; ans--; int temp = 0; for (int i = 0; i < ans; i++) for (int j = i; j < ans; j++) { ar[i][j] = temp + 1; ...
3
#include <bits/stdc++.h> using namespace std; int n, m; struct column { int a[13]; int x; }; column c[2001]; bool cmp(column p, column q) { return p.x > q.x; } int s[13][4096], f[13][4096]; int mian() { scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) scanf("%d", &c[j].a[i]);...
5
#include<cstdio> #include<cstdlib> #include<string> #include<iostream> using namespace std; struct Node{ int key; Node *right, *left, *parent; }; Node *root, *NIL; Node *treeMinimum(Node *x){ while(x->left != NIL) x = x->left; return x; } Node *find(Node *u,int k){ while((u != NIL) && (k!=u->key)){ if...
0
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; double S = .0; int cnt = 0; double A[100]; for (int i = 0; i < 2 * n; ++i) { double v; cin >> v; A[i] = v; double x = v - floor(v); if (x > 0.0001) { cnt++; S += x; } } double best2 = 1e9; i...
3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; long long l, r; cin >> l >> r; long long arr[10000]; arr[1] = 4; arr[2] = 7; int num = 3; for (int i = 1; i < 1000; i++) { arr[num++] = arr[i] * 10 + 4; arr[num++] = arr[i] * 10 +...
1
#include <bits/stdc++.h> int n, m, s, t; int main() { scanf("%d%d%d%d", &n, &m, &s, &t); if (m == 1 || ((s - 1) / m == (t - 1) / m)) { printf("1\n"); return 0; } int res = (t - ((s - 1) / m + 1) * m > m || s % m == 1); if ((t % m && t != n) || !res) res++; if (s % m != 1) res++; if ((t - 1) % m + ...
1
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(int i=0;i<(int)(n);i++) #define ALL(x) (x).begin(), (x).end() typedef long long ll; typedef long double ld; const int INF = 1e9; const ld EPS = 1e-8; int main(){ int N, x; cin >> N >> x; if(x == 1 || x == 2 * N - 1) { cout << "No" << endl;...
0
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target( \ "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") using namespace std; void itval(istream_iterator<string> it) {} template <typename T, typename... Args> void itval(istream_iterator<string> it, T a, Args... args)...
2
#include <bits/stdc++.h> using namespace std; const int MM = 1e9 + 7; long long a[101][101], b[101][101], c[101][101], ans[101][101]; long long digit[10]; long long n, bb, aim, mm; void matrix_mul(long long z[101][101], long long x[101][101], long long y[101][101]) { int i, j, k; long long ans[101][...
5
/*#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") #pragma GCC optimize("unroll-loops") priority_queue<ll,vector<ll>,greater<ll> >q; ifstream file("C:\\Users\\86180\\Desktop\\P4149_2.txt"); file>>n>>m;*/ #include<bits/stdc++.h> #define ll long long #define INF 0x...
1
#include <bits/stdc++.h> int main() { long long int n, m, result = 0, b; scanf("%I64d %I64d ", &n, &m); long long int a[n]; for (int i = 0; i < n; i++) { scanf("%I64d ", &a[i]); } for (int j = 0; j < n; j++) { result += a[j]; b = floor(result / m); if (result >= m) { result %= m; ...
1
#include <bits/stdc++.h> using namespace std; template <class T1> void debug(T1 e) { cout << e << endl; } template <class T1, class T2> void debug(T1 e1, T2 e2) { cout << e1 << "\t" << e2 << endl; } template <class T1, class T2, class T3> void debug(T1 e1, T2 e2, T3 e3) { cout << e1 << "\t" << e2 << "\t" << e3 <<...
1
#include <bits/stdc++.h> using namespace std; string s; int main() { cin >> s; for (int i = 0; i < s.size(); i++) { if (s[i] == '.') cout << 0; else { if (s[i + 1] == '.') { cout << 1; i++; } else { cout << 2; i++; } } } }
2
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; int n; string s; while (t--) { cin >> n >> s; int x = 0, y = 0; map<pair<int, int>, int> m; int l = 0, r = n + 1; m[{0, 0}] = 1; for (int i = 0; i < n; i++) { if (s[i] == 'L') x--; if (s[i] == 'R') ...
3
#include <bits/stdc++.h> using namespace std; char ch[110], s[110], ok[110]; int vis[110], f[110]; int n, k, len; bool check(int k) { for (int i = 0; i < len; i++) if (ch[i] != s[i + k]) return 0; return 1; } bool yes() { for (int i = 0; i < n - len + 1; i++) if (ok[i] == '0') { if (check(i)) return...
4
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const int MOD = 1e9 + 7; std::vector<int> edge[1000005]; int vis[1000005]; int res[1000005]; int dfs(int u, int f) { int cnt = 1; vis[u] = 1; for (int i = 0; i < edge[u].size(); i++) { int v = edge[u][i]; if (v == f) continue; i...
4
#include <bits/stdc++.h> using namespace std; const int maxn = 100100; int u[maxn]; int find(int x){ if(x == u[x]) return x; return u[x] = find(u[x]); } int main(){ int n, m; iota(u, u + maxn, 0); cin >> n >> m; for(int i = 0; i < m; i++){ int x, y, z; cin >> x >> y >> z; u[find(x)] = find(y); } int ans =...
0
#include<bits/stdc++.h> #define rep(i,N) for(int i=0;i<(N);i++) #define FOR(i,a,b) for(int i=(a);i<(b);i++) using namespace std; const long long MOD = 1e9 + 7; const long long INF = 1e12; const int inf = 1e9; typedef long long ll; typedef pair<ll,int> P; typedef set<int> S; int n,l,r; int a[60]; bool uru(int x){ fo...
0
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; string s; cin >> s; string p = ""; if (s[0] == '0') { for (int i = 0; i < n / 2; i++) { p += '0'; p += '1'; } } else { for (int i = 0; i < n / 2;...
2
#include <cstdio> #define iter(i, n) for (int i = 1; i <= n; ++i) const int NR = 1e5 + 100; int n, a[NR], c[2]; int gcd(int a, int b) { return !b ? a : gcd(b, a % b); } int main() { //freopen("10D.in", "r", stdin); scanf("%d", &n); iter(i, n) scanf("%d", &a[i]); bool cur = 0; while (true) { c[0] = c[1] = 0...
0
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) { cin >> a[i]; } sort(a.begin(), a.end()); vector<pair<int, int>> process; long long ans = a[n - 1]; long long tmp = a[0]; for (int i = 1; i < n - 1;...
0
#include <bits/stdc++.h> using namespace std; char ch[1205]; stack<pair<int, int> > sta; int main() { int n, i, l, r, pos = 0; cin >> n; for (i = 1; i <= (n); i++) { cin >> l >> r; ch[++pos] = '('; sta.push(make_pair(pos + l, pos + r)); while (!sta.empty()) { if (sta.top().second <= pos) put...
5
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, m, k; cin >> n >> m >> k; int p[105]; int s[105]; priority_queue<int> pq[105]; for (int i = 0; i < n; i++) cin >> p[i]; for (int i = 0; i < n; i++) { cin >> s...
1
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); } const int MAXN = 50; int n; char g[MAXN][MAXN + 1]; char ret[2 * MAXN - 1][2 * MAXN]; void run() { scanf("%d", &n); for (int i = (0); i < (n); ++i) scanf("%s", g[i]); for (int i = (0); i < (2 * n - 1); ++i) ...
4
#include <bits/stdc++.h> using namespace std; const int INF = 0x3fffffff; const int SINF = 0x7fffffff; const long long LINF = 0x3fffffffffffffff; const long long SLINF = 0x7fffffffffffffff; const int MAXN = 107; struct eT { void setd(int _u, int _v, int _l) { u = _u, v = _v, last = _l; } int u, v, last; } edge[MAXN...
6
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5, mod = 1e9 + 7; int N, basis[30], Q, sz; int a[maxn], res[maxn]; vector<pair<int, int> > query[maxn]; int pow2[maxn]; signed main(void) { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); function<void(int)> ins = [&](int mask) { fo...
6
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { string s; cin >> s; int n = s.size(), o = 0; for (int i = 0; i < n; i++) { if (s[i] == '1') o++; } int z = n - o; if (o == n) cout << 0 << endl; else if (z == n) cout << 1 <<...
2
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int ans = 0; for (int i = 0; i < n; i++) { int val; cin >> val; if (val >= 0) ans += val; else ans -= val; } cout << ans << endl; }
1
#include <cstdio> #include <iostream> #include <vector> #include <map> #include <unordered_map> #include <set> #include <string> #include <cstring> #include <sstream> #include <algorithm> #include <functional> #include <queue> #include <stack> #include <cmath> #include <iomanip> #include <list> #include <tuple> #includ...
0
#include <bits/stdc++.h> using namespace std; const int seed = 19260817; const int maxn = 2e5 + 5; const int mod = 1e9 + 7; char a[maxn], str1[maxn], str2[maxn]; unsigned long long h[maxn], p[maxn]; void Hash(char *s, int len) { p[0] = 1; for (int i = 1; i <= len; i++) { h[i] = h[i - 1] * seed + s[i]; p[i] ...
2
#include <bits/stdc++.h> using namespace std; int main() { vector<int> b; int m, n; cin >> n >> m; for (int i = 1; i <= 4 * n; i++) { if (i <= m) b.push_back(i); else b.push_back(0); } n = b.size() / 2; for (int i = 0; i < n; i++) { if (b[n + i] != 0) cout << b[n + i] << " "; i...
2
#include <bits/stdc++.h> using namespace std; const long long INF = 1e9; const long long INFLL = 1e12; const long long MOD = 1000000007; const long double eps = 1e-6; const long long MOD2 = (1 << 30) + 1; const long long dosz = 5e5; void fast_io() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); } void so...
1
#include <bits/stdc++.h> using namespace std; int n, m; vector<pair<long long, long long> > M; vector<pair<long long, long long> > M2; vector<vector<int> > graph; vector<pair<int, int> > Hash11; vector<pair<int, int> > Hash22; long long base1 = 1000357; long long base2 = 1000577; inline void Hash() { for (int i = 0; ...
5
#include <bits/stdc++.h> using namespace std; const int MAXN = 2010; int main() { int n; int sum; while (scanf("%d", &n) != EOF) { sum = 0; double k; int cnt = 0; for (int i = 0; i < 2 * n; i++) { scanf("%lf", &k); int a = (int)(k * 1000 + 0.5) % 1000; if (a == 0) cnt++; su...
1
#include <bits/stdc++.h> using namespace std; map<int, int> Hash; struct rec { int x0, x1, y0, y1; void role() { if (x0 > x1) swap(x0, x1); if (y0 > y1) swap(y0, y1); } } E[23333]; int nx, ny, num, tot; int g[23333], valx[23333], valy[23333]; int dx[8] = {0, 1, -1, 0, 0}; int dy[8] = {0, 0, 0, 1, -1}; boo...
3
#include <bits/stdc++.h> const long long int MOD = 1e9 + 7; const long long int INF = 1011111111; const long long int LLINF = 1000111000111000111LL; const long double EPS = 1e-10; const long double PI = 3.14159265358979323; using namespace std; inline long long int add(long long int a, long long int b) { a += b; if...
4
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 2; int N, student[MAXN * 3]; vector<int> membersWith[MAXN * 3]; bool assigned[MAXN * 3], printed[MAXN * 3]; int K; int main() { scanf("%d", &N); for (int i = 0; i < 3 * N; i++) scanf("%d", &student[i]); for (int i = 0; i < N; i++) { int a, b...
4
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> p(n); for (auto& e : p) cin >> e; int r = 0; for (int i = 1; i < n - 1; i++) r += p[i - 1] < p[i] && p[i] < p[i + 1] || p[i + 1] < p[i] && p[i] < p[i - 1]; cout << r << endl; }
0
#include <bits/stdc++.h> int const nmax = 300000; int v[1 + nmax]; std::vector<int> g[1 + nmax]; int main() { int n, m; std::cin >> n >> m; for (int i = 1; i <= m; i++) { int x, y; std::cin >> x >> y; g[x].push_back(y); g[y].push_back(x); } std::queue<int> q; for (int i = 1; i <= n; i++) q.p...
3
#include <bits/stdc++.h> using namespace std; const int N = 1e2 + 8; int n, a[N], b[N], prt[N], t, x, ii, ij; bool mrk[N], mark[N], bl; vector<pair<int, int> > nei[N]; vector<pair<int, pair<int, int> > > vec; void dfs(int v, int par = 0, int ind = -1) { mrk[v] = 1; while (prt[v] < nei[v].size()) { auto p = nei[...
2
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; #define pb push_back #define mp make_pair #define fi first #define se second #define sz(a) int(a.size()) const int N=2e6+10; int gi() { int x=0,o=1;char ch=getchar(); while((ch<'0'||ch>'9')&&ch!='-')...
0
#include <bits/stdc++.h> using namespace std; template <class T> T mulmod(T a, T b) { if (b == 0) return 0; if (b == 1) return a; T x = mulmod(a, b >> 1); x = (x + x) % 1000000007; if (b & 1) x = (x + a) % 1000000007; return x; } template <class T> T larger(T a, T b) { return (a > b ? a : b); } template <...
1
#include <bits/stdc++.h> using namespace std; int main(void) { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); string inp[3]; vector<string> ans; cin >> inp[0] >> inp[1] >> inp[2]; for (int i = 0; i < 3; i++) { string f = ""; string a = inp[i]; for (int j = 0; j < a.length(); j++) { ...
2
#include <bits/stdc++.h> using namespace std; long long modexpo(long long x, long long p) { long long res = 1; x = x % 1000000007; while (p) { if (p % 2) res = res * x; p >>= 1; x = x * x % 1000000007; res %= 1000000007; } return res; } struct compare { bool operator()(const pair<long long, ...
4
#include <bits/stdc++.h> using namespace std; const int inf = (int)2e9; const long long md = 1000000007; int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; int N = 1 << n; vector<int> v[n + 1]; int tempSize = N; for (...
4
#include <bits/stdc++.h> using namespace std; bool ok[] = {1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1}; int main() { string s; cin >> s; int n = s.size(); for (int i = 1; i < n; i++) { if (ok[s.front() - 'A'] != ok[s[i] - 'A']) { cout << "NO" << endl; ...
6
#include <bits/stdc++.h> using namespace std; int k, a[2010]; int main() { scanf("%d", &k); int n = 2000; int s = k + n; a[1] = -1; for (int i = 2; i <= n; i++) { a[i] = min(1000000, s); s -= a[i]; } printf("%d\n", n); for (int i = 1; i <= n; i++) printf("%d ", a[i]); return 0; }
5
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { long long int n, a = 2; cin >> n; while (a > 0) { a = 2 * a; a = a - 1; if (n % a == 0) break; else a = a + 1; } cout << n / a << endl; } }
1
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t; cin >> t; while (t--) { string str; cin >> str; int dp[str.size()]; memset(dp, 0, sizeof(dp)); for (int i = 0; i < str.size(); i++) { if (str[i] == 'L') { ...
3
#include <bits/stdc++.h> using namespace std; const long double eps = 1e-9; long double read_ldb() { double t; scanf("%lf", &t); return t; } const int MAXN = 100005; struct Point { long double x, y; Point() {} Point(long double _x, long double _y) : x(_x), y(_y) {} Point operator+(const Point &t) const { ...
5
#include <bits/stdc++.h> using namespace std; void solve() { long long n; cin >> n; long long ans = 0, cnt = 0; char c; for (long long i = 0; (0 < n) ? (i < n) : (i > n); (0 < n) ? (i++) : (i--)) { cin >> c; if (c == '(') cnt++; else cnt--; if (cnt < 0) { cnt = 0; ans++...
3
#include <string> #include <vector> #include <sstream> #include <iostream> #include <algorithm> #include <map> #include <list> #include <set> #include <numeric> #include <queue> #include <stack> #include <cstdio> #include <cmath> #include <cstdlib> #include <cctype> #include <cstring> #include <climits> #include <cfl...
0
#include <bits/stdc++.h> #pragma GCC optimize(3) using namespace std; const double pi = acos(-1.0); int mod = 1e9 + 7; long long Mod(long long x) { return x >= mod ? x - mod : x; } long long read() { long long x = 0; int f = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1;...
6
#include <bits/stdc++.h> using namespace std; vector<pair<int, int> > v; int n, k, r[1001]; pair<pair<int, int>, int> p[1001]; bool used[1001]; int acc, sum, mnj; int main() { cin >> n; for (int i = 0; i < n; i++) { p[i].second = i + 1; cin >> p[i].first.second >> p[i].first.first; } sort(&p[0], (&p[0])...
3
#include <bits/stdc++.h> int main() { std::cout << "25\n"; return 0; }
1
#include <bits/stdc++.h> using namespace std; int A[200005], B[200005], N; int O[200005][5]; void ucitaj() { scanf("%d", &N); if (N == 5) { printf("1 5 3 4 2\n"); exit(0); } int i, j; for (i = 1; i <= 2 * N; i++) { scanf("%d%d", A + i, B + i); if (O[A[i]][1] == 0) O[A[i]][1] = B[i]; ...
3
#include <bits/stdc++.h> using namespace std; using ll = long long; const long long int INF = INT_MAX, NINF = INT_MIN; const long long int mod = 1e9 + 7; 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(u...
2
#include <bits/stdc++.h> using namespace std; int main() { long long i, j, a = 10, b, c, d, n, m, t; cin >> t; while (t--) { string s; cin >> s; n = s.size(); vector<long long> vec; for (i = 0; i < n; i++) { m = s[i] - '0'; d = n - i - 1; b = pow(a, d); if (b % 10 != 0 ...
1
#include <cstdio> #include <cstdint> #include <cctype> #include <cassert> #include <vector> #include <algorithm> #include <string> #include <utility> #include <stack> #include <map> #define fprintf(...) void(0) std::map<size_t, size_t> preprocess(const std::string &s, std::string &t) { std::stack<size_t> opened; ...
0
#include<bits/stdc++.h> using namespace std; int main(){ int x; cin>>x; cout<<x/30<<' '<<x%30*2<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; const int N = 500010; int first[N], Next[N << 1], V[N << 1]; int n; int L[N], R[N], mk1[N << 2]; int tim; void DFS(int u, int f) { L[u] = ++tim; for (int i = first[u]; i != -1; i = Next[i]) { int v = V[i]; if (f == v) continue; ...
4