solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; const long long int inf = (long long int)1e18 + 10; long long int m; long long int a[3][1000006], c[3][102] = {{0}}; long long int d[102] = {0}, dp[102] = {0}; struct matrix { vector<vector<long long int> > mat; matrix() { mat.resize(m, vector<long long int>(m)); } ma...
2
#include <bits/stdc++.h> using namespace std; const int N = 200010; struct edge { int x, y, v; } e[N]; int n, m, f[N]; bool cmp(edge a, edge b) { return a.v < b.v; } int find(int x) { if (f[x] == x) return x; else return f[x] = find(f[x]); } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= m; ...
6
#include <bits/stdc++.h> using namespace std; int c[120][120], ct[120], n; int ccc[120], Ciel, Jiro, cnt; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", ct + i); int p1 = ct[i] / 2 - 1, p2 = ct[i] - ct[i] / 2; for (int j = 0; j < ct[i]; j++) { scanf("%d", &c[i][j]); ...
5
#include <iostream> using namespace std; int main(void) { int n; while (cin >> n, n){ int x, y, h, w; int ret = 0; for (int i = 0; i < n; ++i) { cin >> x >> y >> h >> w; int max_type = 0, sum = x + y + h; if (sum <= 60) max_type = 1; else if (sum <= 80) max_type = 2; else if (sum <= 100) max_t...
0
#include <bits/stdc++.h> using namespace std; template <class T> ostream& operator<<(ostream& cout, vector<T> V) { cout << "[ "; for (auto v : V) cout << v << ' '; return cout << ']'; } template <class L, class R> ostream& operator<<(ostream& cout, pair<L, R> P) { return cout << '(' << P.first << ',' << P.secon...
5
#include <bits/stdc++.h> using namespace std; int main() { long int a; cin >> a; int b = 0; int c[a]; for(int i=0;i<a;i++){ cin >> c[i]; } for(int i=0;i<a;i++){ for(int j = i+1;j<a;j++){ for(int k = j+1;k<a;k++){ if(c[i]+c[j]>c[k]&&c[j]+c[k]>c[i]&&c[k]+c[i]>c[j]&&c[i]!=c[k]&&c[k]!=c[j]&...
0
#include <iostream> #include <vector> #include <algorithm> #include <string> using namespace std; int main(){ string str; int a,b; while(cin>>str>>a>>b){ cout<<str<<" "<<a+b<<" "<<a*200+b*300<<endl; } return 0; }
0
#include <bits/stdc++.h> using namespace std; long long _gcd(long long x, long long y) { return (!y ? x : _gcd(y, x % y)); } long long _lcm(long long x, long long y) { return x / _gcd(x, y) * y; } int main() { std::ios_base::sync_with_stdio(0); int ar[4]; cin >> ar[0] >> ar[1] >> ar[2] >> ar[3]; int sum = (ar[0...
1
#include <iostream> #include <algorithm> #include <vector> using namespace std; const int MAX_N = 1<<15; vector<int> sq; void make() { for(int i = 0; i*i <= MAX_N; ++i) { sq.push_back(i*i); } } int solve(int n) { int res = 0; for(int i = 0; i < sq.size() && sq[i] <= n; ++i) { for(int j = i; j < ...
0
#include <bits/stdc++.h> using namespace std; long long n, mas[400000], k, m; pair<int, int> p[100000]; int main() { cin >> n; for (int i = 1; i <= 2 * n; i++) cin >> mas[i]; for (int i = 1; i <= 2 * n; i++) { if (p[mas[i]].first == 1) { p[mas[i]].second = 1; k--; m = max(m, k); } if...
1
#include <bits/stdc++.h> using namespace std; int n, k, s, ar[1 << 20]; int dp[3][200][200 * 200]; int main() { ios_base::sync_with_stdio(0); cin >> n >> k >> s; for (int i = 1; i <= n; i++) cin >> ar[i]; if (s > n * n / 2 + 10) s = n * n / 2 + 10; for (int done = 0; done <= s; done++) for (int pref = 0; ...
4
#include <bits/stdc++.h> long long int i, n, a[15], sum, ex, b[15]; int main() { for (i = 1; i <= 14; i++) { scanf("%lld", &a[i]); } for (i = 1; i <= 14; i++) { ex = 0; for (int j = 1; j <= 14; j++) { b[j] = 0; } long long int u = a[i]; long long int g = a[i] / 14; long long int ...
2
#include <bits/stdc++.h> using namespace std; int m, n, ans, ans2 = -1; int main() { cin >> m >> n; if (n == 1) return cout << -1, 0; if (m == n) return cout << 5, 0; if (m - n + 1 <= n) ans2 = 11; if (m > n) m -= n - 2, ans += 4; while (1) { if (m * 2 <= n) return cout << ans + 1, 0; if (m < n) ret...
6
#include<bits/stdc++.h> using namespace std; int main(){ int A,B,C,K; cin>>A>>B>>C>>K; int Max=max(A,max(B,C)); int ans=A+B+C+Max*(pow(2,K)-1); cout<<ans<<endl; return 0; }
0
#include <iostream> #include <string> using namespace std; string bd[12]; void del(int y, int x) { if (0 <= y && y < 12 && 0 <= x && x < 12 && bd[y][x] == '1') { bd[y][x] = '0'; del(y-1, x); del(y+1, x); del(y, x-1); del(y, x+1); } } int main() { while (cin >> bd[0]) { for (int i=1; i<12; ++i) cin >> ...
0
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; const int inf = 2e9; bool flag[N]; vector<pair<int, int> > e[N]; int del[N]; int ans[N]; bool multi, ok; int delta; void dfs1(int v) { flag[v] = true; for (auto x : e[v]) { int u = x.first; if (!flag[u]) { del[u] = -del[v]; dfs1(u); } ...
0
#include <bits/stdc++.h> using namespace std; const int N = 100000 + 10; const int M = 1000000007; const double PI = atan(1) * 4; const int oo = 2100000000; int n; long long dp[N][8]; vector<vector<int> > v; long long calc(int u, int st) { if (u == n) return (st != 0b001) * -1e17; long long &ret = dp[u][st]; if (...
4
#include <bits/stdc++.h> using namespace std; int main() { long long n, m, t; scanf("%lld%lld", &n, &m); if (n > m) t = n, n = m, m = t; if (n == 1) { printf("%lld\n", m / 6 * 6 + max((m % 6 - 3) * 2, (long long)0)); } else if (n == 2) { if (m == 2) { puts("0"); } else if (m == 3) { pu...
2
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 1005; vector <int> g[N]; int x[N], w[N]; int dfs(int u) { map <int, int> cnt; cnt[x[u]] = 0; for (auto & v : g[u]) { if (! dfs(v)) return 0; map <int, int> tmp; for (auto & it : cnt) { if...
0
#include <bits/stdc++.h> using namespace std; template <class T> inline void umax(T &a, T b) { if (a < b) a = b; } template <class T> inline void umin(T &a, T b) { if (a > b) a = b; } template <class T> inline T abs(T a) { return a > 0 ? a : -a; } template <class T> inline T gcd(T a, T b) { return __gcd(a, b); ...
2
#include <bits/stdc++.h> using namespace std; bool f(vector<int> ar, int tmp) { for (int a = 0; a < ar.size(); a++) { if (ar[a] == tmp) { return false; } } return true; } int main() { int t; cin >> t; for (int i = 0; i < t; i++) { int n, k, d; cin >> n >> k >> d; vector<int> ans(n,...
2
#include <bits/stdc++.h> using namespace std; int main() { int num; cin >> num; long long su = 0; while (num--) { string s; cin >> s; if (s[0] == 'I') su += 20; else if (s[0] == 'T') su += 4; else if (s[0] == 'C') su += 6; else if (s[0] == 'O') su += 8; else ...
1
#include <bits/stdc++.h> using namespace std; using ll = long long; char s[100000 + 10]; int len; unsigned tree[400000 + 100]; inline unsigned mask(char c) { return 1U << unsigned(c - 'a'); } inline int left(int root) { return root * 2; } inline int right(int root) { return root * 2 + 1; } void build(int root = 1, int ...
4
#include <cstdio> #include <algorithm> using namespace std; int main(){ int n; long a, b; long v[110] = {0}, v2[110] = {0}; scanf("%d", &n); for (int i = 1; i <= n; i++){ scanf("%ld %ld", &a, &b); v[a] += b; v2[a] += b; } sort(v, v + n + 1); reverse(v, v + n + 1); for (int i = 1; i <= n; i++){ ...
0
#include <bits/stdc++.h> typedef long long LL; #define SORT(c) sort((c).begin(),(c).end()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) using namespace std; int e[1048576],o[1048576]; int main(void) { REP(i,1048576) e[i]=1048576; REP(i,1048576) o[i]=1048576; e[0]=0; o[0]=0; REP(i...
0
#include <bits/stdc++.h> int main() { int i, a, sum, h, ad; scanf("%d", &a); sum = 0; h = 0; ad = 0; for (;;) { ad++; sum += ad; if (a - sum >= 0) { a -= sum; h++; } else break; } printf("%d", h); return 0; }
1
#include<iostream> #include<vector> using namespace std; int main(){ string s; cin>>s; int i,j,k,ans=0,num; vector<string>ss(4); vector<int>si(4); for(int i=0;i<s.size()-2;i++){ for(int j=i+1;j<s.size()-1;j++){ for(int k=j+1;k<s.size();k++){ ...
0
#include <bits/stdc++.h> using namespace std; template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cerr.writ...
2
#include <bits/stdc++.h> int main() { long long *vet; int q, i; long long a, b, k; scanf("%d", &q); vet = (long long *)malloc(sizeof(long long) * q); for (i = 0; i < q; i++) vet[i] = 0; for (i = 0; i < q; i++) { scanf("%lld %lld %lld", &a, &b, &k); if (k % 2 == 0) vet[i] = (k / 2) * (a - b);...
1
#include <bits/stdc++.h> using namespace std; int main() { string s; int n, maxs = 0; cin >> s >> n; vector<string> sf(n); for (int i = 0; i < n; i++) { cin >> sf[i]; sf[i] += "$"; sf[i] += s; maxs = max(maxs, (int)sf[i].size()); } int pi[n][maxs], ans[s.size()]; for (int j = 0; j < s.si...
3
#include <bits/stdc++.h> using namespace std; int main() { vector<int> v; int n, m; cin >> n >> m; int maks = 0; for (int i = 0; i < n; i++) v.push_back(i + 1); do { int res = 0; for (int i = 0; i < n; i++) { for (int j = i; j < n; j++) { int x = 100; for (int k = i; k <= j; k+...
2
#include <bits/stdc++.h> using namespace std; int n; double x[60001], v[60001]; bool possible(double m) { double l = -1e9, r = 1e9; for (int i = 0; i < n; i++) { l = max(l, x[i] - m * v[i]); r = min(r, x[i] + m * v[i]); } return l <= r; } void solve() { cin >> n; for (int i = 0; i < n; i++) cin >> x...
2
#include <bits/stdc++.h> using namespace std; const int block_size = sizeof(uint32_t) * 8; const uint32_t one = 1; const size_t max_size = 3 * 100000000 + 1; uint32_t pr[max_size / block_size + 1]; int main(void) { int l, r; cin >> l >> r; for (int i = 3; i * i <= r; i += 2) { if (!(pr[i / block_size] & (one ...
3
#include <bits/stdc++.h> using namespace std; void solve() { long long n, m; cin >> n >> m; long long a[n][m]; for (long long i = 0; i < n; i++) { for (long long j = 0; j < m; j++) { cin >> a[i][j]; } } for (long long i = 0; i < n; i++) { for (long long j = 0; j < m; j++) { if (i == ...
2
#include <algorithm> #include <cmath> #include <iostream> #include <queue> #include <string> #include <utility> using namespace std; #define FOR(i, a, b) for (int i = a; i < b; ++i) #define RFOR(i, a, b) for (int i = a; i > b; --i) #define REP(i, n) for (int i = 0; i < n; ++i) const int kMaxN = 100000; string s; int...
0
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) #define int long long using namespace std; vector<int> hamming_numbers; int m, n; void print_vi(vector<int> vi) { rep(i, vi.size()) { printf("%d ", vi[i]); } } signed main() { rep(i,21) rep(j,13) rep(k,9) { int num = pow(2, i) * pow(3, j) * pow(...
0
#include <bits/stdc++.h> using namespace std; int ga[10][10]; int vis[4] = {0, 0, 0, 0}; int main() { string ans; char a, b, c; cin >> a >> b >> c; if (b == '>') ga[a - 64][c - 64] = 1; else ga[c - 64][a - 64] = 1; cin >> a >> b >> c; if (b == '>') ga[a - 64][c - 64] = 1; else ga[c - 64]...
2
#include <bits/stdc++.h> using namespace std; vector<pair<int, int> > v; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; ++i) { int x, y; scanf("%d%d", &x, &y); v.push_back(make_pair(x, y)); } v.push_back(make_pair(0, 0)); v.push_back(make_pair(-100005, 0)), v.push_back(make_pair(10...
1
#include <bits/stdc++.h> using namespace std; int main() { int test; cin >> test; while (test--) { int n; cin >> n; bool ok; if (n > 30) { cout << "YES" << endl; int a = n - (6 + 10 + 14); if (a == 6) { cout << "6 10 15 " << n - (6 + 10 + 15) << endl; } else if (a =...
1
#include<iostream> #include<string> using namespace std; int main() { int n;cin >> n; string s;cin >> s; if(s.size()>n){ s=s.substr(0,n)+"..."; } cout << s; return 0; }
0
#include<bits/stdc++.h> using namespace std; #define int long long int N,answer; int table[100000+10],ans[100000+10]; signed main(){ cin >> N; for(int i=0;i<N;i++){ int a,b; cin >> a >> b; a--,b--; table[a]++; table[b+1]--; } for(int i=1;i<=N;i++){ ans[i]+=ans[i-1]+tabl...
0
#include <bits/stdc++.h> using namespace std; #define all(v) (v).begin(), (v).end() #define sz(v) (int)(v).size() typedef long long ll; typedef pair<int, int> pii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int ...
3
#include <bits/stdc++.h> int arr[100001]; int main() { int n, i; scanf("%d", &n); for (i = 1; i <= n; i++) scanf("%d", &arr[i]); if (arr[n] == 1) { printf("NO"); return 0; } if (arr[1] == 0) { if (n == 2) { printf("NO\n"); return 0; } printf("YES\n"); if (n == 1) pr...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, p, q; cin >> n; p = 9 * n; q = 8 * n; cout << p << " " << q << endl; }
1
#include <bits/stdc++.h> using namespace std; const long long int mod = (long long int)(1e9 + 7); long long int test = 1; vector<long long int> read(int n) { vector<long long int> v(n); for (int i = 0; i < n; i++) cin >> v[i]; return v; } void solve() { long long int i, j, k, n, t, m, cnt = 0, ans = 0, sum = 0;...
3
#include <bits/stdc++.h> using namespace std; template <typename T> void out(T x) { cout << x << endl; exit(0); } const long long mod = 1e9 + 7; const int maxn = 55; const int maxr = 5500; int n; double R; double f[maxn], s[maxn], p[maxn]; double dp[maxn][maxr]; void reset() { for (int i = 0; i <= n; i++) { f...
3
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 7; int main() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout.setf(ios_base::fixed); cout.precision(28); int n; cin >> n; cout << 0 << " " << 1 << endl; string s; cin >> s; string l = s; int lx = 0; for (int i = 1; i ...
3
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; (i) < int(n); ++ (i)) #define REP_R(i, n) for (int i = (n) - 1; (i) >= 0; -- (i)) #define ALL(x) begin(x), end(x) using namespace std; template <class T> inline void chmax(T & a, T const & b) { a = max(a, b); } template <class Monoid> struct segment_tree { ...
0
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int main() { int n; cin >> n; long long int x = 2; double d; long long int p; for (long long int i = 1; i <= n; i++) { long long int B = i * (i + 1) * (i + 1) - x / i; cout << B << "\n"; x = i * (i + 1); } }
1
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:134217728") using namespace std; const long long MOD = 1000000000 + 7; const long long MAXN = 100000 + 100; const long long MAGIC = 123123123; const double PI = 4 * atan(1.); const double EPS = 1E-7; const int LOGN = 22; struct cmp_for_set { bool operator()(con...
3
#include <bits/stdc++.h> using namespace std; double const eps = 1e-11; double const pi = 3.1415926535; long long const mod = 1e9 + 7; int a[200100]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; int odd = 0, even = 0, temp_odd = 0, temp_even = 0; cin >> n; for (int i = 1; i <...
2
#include <bits/stdc++.h> using namespace std; template <class T> T abs(T x) { return x > 0 ? x : -x; } inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } inline long long toll(string s) { long long v; istringstream sin(s); sin >> v; return v; } template <class T> inline st...
3
#include <bits/stdc++.h> using namespace std; const long long mod = (long long)1e9 + 7; long long sump2[1000005], sump4[1000005]; long long zzpow(long long x, long long p) { if (!p) return 1ll; long long t = zzpow(x, p / 2); if (p % 2) return t * t % mod * x % mod; return t * t % mod; } long long prod3(long lon...
4
#include <bits/stdc++.h> using namespace std; int n; long long F[10][100]; int total[10], putere[10][100], G[10][10], C[10], gr[10], D[10][1 << 8]; map<long long, int> M[10], now; inline void descompune(long long n, const int &indice) { for (int f = 2; 1LL * f * f <= n; ++f) { if (n % f == 0) { F[indice][++...
3
#include <bits/stdc++.h> using namespace std; long long n, k; namespace Magic { long long got(long long x) { long long z = 0; while (x) { z += x % 10; x /= 10; } return z; } long long cal(long long x) { return x - got(x); } void run() { scanf("%lld%lld", &n, &k); long long l = 0, r = n; while (l <...
3
#include <bits/stdc++.h> using namespace std; ifstream fin("contest.in"); ofstream fout("contest.out"); const long long N = 2 * 1000 * 1000 * 1000 + 10, inf = 1000 * 1000 * 1000; long long n, m, k, res = 0, s; vector<long long> nn, mm; int main() { cin >> n >> m >> k; if (n + m - 2 < k) { cout << -1; return...
1
#include <bits/stdc++.h> using namespace std; void solve() { int n; scanf("%d", &n); string s, t; cin >> s >> t; vector<int> a; for (int i = 0; i < n; i++) { if (s[i] != t[i]) a.push_back(i); } if (a.size() > 2) { printf("no\n"); return; } for (int i = 0; i < (int)a.size(); i++) { fo...
2
#include <bits/stdc++.h> using namespace std; const double PI = acos(-1.0); const double eps = 1e-8; const int mod = 1e9 + 7; const int inf = 1061109567; const int dir[][2] = {{-1, 0}, {1, 0}, {0, -1}, {0, 1}}; double dp[205][205][405], p[205]; int a[205]; int main() { int n, l, tmp; cin >> n >> l >> tmp; for (in...
4
#include <bits/stdc++.h> using namespace std; const int INFINITE = INT_MAX; const int MAXNUM = 100005; int n, len, res; int arr[2][100005], ans[100005], te[100005]; void forxunhuan(int le, int ri) { for (int i = le; i <= ri; i++) ans[i] = i % res; } int main() { memset(arr, 0, sizeof(arr)); memset(ans, 0, sizeof(...
1
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; int main() { long long a, b, c, d, x, y; cin >> a >> b >> x >> y >> c >> d; string ret = "NO"; for (int i = 0; i < 4; ++i) { long long xx = x - a; long long yy = y - b; if (xx == 0 && yy == 0) ret = "YES"; else...
3
#include <bits/stdc++.h> using namespace std; const int N = 2 * 1e5 + 10; const long long inf = 9e15 + 9; long long res; long long a[N], n; long long dp[201][300]; long long go(long long idx, long long time) { if (idx == n) { return 0; } if (time > 300 && idx < n) { return inf; } if (dp[idx][time] + 1...
3
#include <bits/stdc++.h> using namespace std; const int maxn = 3e5 + 10; int n, m; int a[maxn][10]; int mask[maxn]; int valid[1024]; pair<int, int> ans; void print(int x) { for (int i = 7; i >= 0; i--) cout << ((x >> i) & 1); puts(""); } bool check(int x) { memset(valid, -1, sizeof(valid)); memset(mask, 0, size...
4
#include <bits/stdc++.h> char f[2000000]; int func(int n) { int i, j, k = 0; while (n != 0) { k *= 10; k += n % 10; n /= 10; } return k; } int main() { int i, j, n, k, a; memset(f, 0, sizeof(f)); scanf("%d", &n); for (i = 2; i < 2000000; i++) { if (f[i] == 0) { for (j = 2; i * j < ...
6
#include <bits/stdc++.h> using namespace std; string itosm(long long x) { if (x == 0) return "0"; string ans = ""; while (x > 0) { ans += ((x % 10) + '0'); x /= 10; } reverse(ans.begin(), ans.end()); return ans; } long long stoim(string str) { long long ans = 0; long long k = 1; for (int i = s...
2
#include <bits/stdc++.h> const int mod = 1e9 + 7; using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; string a; cin >> n; map<string, int> vals; vals["Tetrahedron"] = 4; vals["Cube"] = 6; vals["Octahedron"] = 8; vals["Dodecahedron"] = 12; vals["Icosahedron"] = 20; ...
1
#include <bits/stdc++.h> using namespace std; const int MaxN = 100010 * 2; int arr[MaxN]; map<int, int> mp; set<int> heap; void add(int x) { mp[x]++; if (mp[x] == 1) heap.insert(x); else heap.erase(x); } void del(int x) { mp[x]--; if (mp[x] == 0) heap.erase(x); else if (mp[x] == 1) heap.inse...
5
#include<bits/stdc++.h> using namespace std; #define int long long signed main(){ int N,K; cin>>N>>K; vector<int> A(N),B(N,1000000000); for(int &i:A) cin>>i; B[0]=0; for(int i=1;i<N;i++) for(int j=1;j<=K;j++) if(i-j>=0) B[i]=min(B[i],B[i-j]+abs(A[i-j]-A[i])); cout<<B[N-1]<<endl; }
0
#include <bits/stdc++.h> #define LL long long using namespace std; const int maxn = 1010; int n; LL x[maxn],y[maxn],u[maxn],v[maxn],bs[35]; void work() { cin >> n; for (int i = 0; i < n; i++) cin >> x[i] >> y[i]; LL sum = (x[0] + y[0]) % 2; for (int i = 0; i < n; i++) if ((x[i] + y[i] - sum) % 2 != 0) {cou...
0
#include <bits/stdc++.h> using namespace std; const int MAXM = 200 * 1000 + 5; const long long INF = 1000ll * 1000 * 1000 * 1000 * 1000 * 1000 + 5; pair<int, int> pp[MAXM]; int x[MAXM], p[MAXM], nxt[MAXM]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int d, n, m; cin >> d >> n >> m; for (int i =...
3
#include <bits/stdc++.h> using namespace std; void read() { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); } void solve() { long long n, m; cin >> n >> m; vector<long long> v(n), vc; for (auto &i : v) cin >> i; vc = v; sort(vc.begin() + (m - 1), vc.end()); if (vc[m - 1] != vc[n ...
1
#include <bits/stdc++.h> using namespace std; int main() { int a, b, r; while (~scanf("%d%d%d", &a, &b, &r)) { if (a >= 2 * r && b >= 2 * r) printf("First\n"); else printf("Second\n"); } return 0; }
1
#include <bits/stdc++.h> using namespace std; const int N = 1000005; using ll = long long; int n, m, p, a[N]; struct TNode { int l, r; vector<ll> f; ll sum; } t[N << 2]; inline int lc(int pos) { return pos << 1; } inline int rc(int pos) { return pos << 1 | 1; } void pushup(int pos) { t[pos].sum = t[lc(pos)].sum...
6
#include <bits/stdc++.h> using namespace std; pair<long long, long long> order[500000]; int main() { int tc; scanf("%d", &tc); for (int i = 0; i < tc; i++) { scanf("%d%d", &order[i].second, &order[i].first); } sort(order, order + tc); int counter = 0, previousEnd = 0, startNow; for (int i = 0; i < tc;...
2
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n, x; cin >> n >> x; int arr[n]; for (int i = 0; i < n; i++) cin >> arr[i]; int e = 0, o = 0, l = 0; for (int i = 0; i < n; i++) { if (arr[i] % 2 == 0) e++; else o++; ...
1
#include <bits/stdc++.h> using namespace std; int N, K; int A[200005], P[200005]; vector<pair<int, int>> v; int main() { scanf("%d %d", &N, &K); int negCnt = 0; for (int i = 1; i <= N; i++) { scanf("%d", &A[i]); if (A[i] < 0) { negCnt++; } } if (negCnt > K) { printf("%d\n", -1); retu...
4
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); long long t = 1; cin >> t; while (t--) { long long n, a, b; cin >> n >> a >> b; b = min(b, 2 * a); long long ans = (n / 2) * b + (n % 2 == 1 ? a : 0); cout << ans << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; static const int MAX = 100000; static const int INFTY = (1<<30); class Edge { public: int t, w; Edge(){} Edge(int t, int w): t(t), w(w) {} }; vector<Edge> G[MAX]; int n, d[MAX]; bool vis[MAX]; int cnt; void bfs(int s){ for (int i = 0; i < n; i++) d[i] =INFTY; qu...
0
#include <bits/stdc++.h> int n, m, i, j, eid, cur, e, l[5006], r[5006], u[5006], d[5006], L[5006], R[5006], D[5006], U[5006], c, res, rc; short id[5006][5006]; char s[5006][5006], t[5006]; int main() { scanf("%d%d", &n, &m); for (i = 0; i < n; i++) scanf("%s", s[i]); for (i = eid = 0; i < n; i++) for (j =...
3
#include <bits/stdc++.h> using namespace std; const int inft = 1000000009; int n, a[1000005]; pair<int, int> ff(int x) { int l = 0; for (int r = 0; r < n; r++) { while (l < n && a[l] + x < a[r]) l++; if (a[l] + x == a[r]) return pair<int, int>(a[l], a[r]); } return pair<int, int>(-1, -1); } pair<int, in...
2
#include <bits/stdc++.h> using namespace std; int ab(int a, int b) { if (a > b) return a - b; else return b - a; } int main() { int n; int m; int k; cin >> n >> m >> k; int ans = n * 10 + 10; int a[n + 1]; for (int i = 1; i < n + 1; i++) cin >> a[i]; for (int i = 1; i < n + 1; i++) { if ...
1
#include <algorithm> #include <cstdio> #include <cstring> #include <vector> const int MaxN = 100000, MaxS = 511; const int Mod = 998244353, base = ((long long) 1e18) % Mod; int N; int Pw[MaxN + 5]; int Sg[3][MaxN + 5]; std::vector<int> Gr[3][MaxN + 5]; int Buc[3][MaxS + 5]; inline int add(int x, int y) { return (x +...
0
#include <bits/stdc++.h> using namespace std; long long inf = 1000000000000000000; int main() { long long n, m, a, b, v, q, x1, y1, x2, y2; cin >> n >> m >> a >> b >> v; long long sp[a], ep[b]; for (long long i = 0; i < a; i++) cin >> sp[i]; for (long long i = 0; i < b; i++) cin >> ep[i]; sort(sp, sp + a); ...
3
#include <bits/stdc++.h> using namespace std; int main() { string str; cin >> str; reverse(str.begin(), str.end()); cout << str << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; const int NM = 2e5; int n, m; long long a[NM], add[NM]; int main() { cin >> n >> m; for (int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); long long ans = 0; int dn = 0, cnt = 0; for (int i = 0; i < n; i++) { add[i % m] += a[i]; ans += add[i % m]; ...
3
#include <bits/stdc++.h> using namespace std; const long double pi = acos(-1); const int mod = 1000000009; int c[4005], k = 1, re[4005], n, m, m1, len, root, size[1000], lr[1000], f[1000][1000], a[1000], b[1000], hea[1000], nex[100000], wen[100000], bo[1000], boo[1000], booo[1000], fac[1005], ...
4
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int TESTS = 1; while (TESTS--) { int n, m; cin >> n >> m; int lt, lb, cr, cl; lb = 0; lt = n - 1; cr = 0; cl = m - 1; char a[n][m]; for (long long int i = 0...
1
#include <bits/stdc++.h> using namespace std; struct edge { int x, y; int w; }; using LL = long long; const int N = 510, M = N * N; int n, m; int x[N]; int main() { cin >> n >> m; for (int i = 1; i <= n; i++) cin >> x[i]; vector<edge> edges(m); double res = 0.0; for (int i = 0; i < m; i++) { cin >> ed...
1
#include <bits/stdc++.h> using namespace std; int main() { long long int a, b, c, d, l, sum = 0, k; cin >> a >> b >> c >> d; if (a != c && b != d) { if (abs(c - a) == abs(d - b)) { cout << a << " " << d << " " << c << " " << b; } else { cout << "-1" << endl; } } if (a == c && b != d) {...
1
#include <bits/stdc++.h> using namespace std; int DEG[1010100]; int main() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, s; cin >> n >> s; for (int i = (2); i <= (n); ++i) { int u, v; cin >> u >> v; DEG[u]++; DEG[v]++; } int cnt = 0; for (int i = (1); i <= (n); +...
2
#include <bits/stdc++.h> using namespace std; int n, x, cnt[100001], s[100001]; int main() { cin >> n >> x; for (int i = (1), _b = (n); i <= _b; ++i) { int a; cin >> a; ++cnt[a]; } for (int i = (1), _b = (100000); i <= _b; ++i) s[i] = s[i - 1] + cnt[i]; int lo = 0, hi = 100000, mid; while (lo < ...
3
#include <bits/stdc++.h> using namespace std; int N, M; vector<pair<int, int> > G[100005]; int Colour[100005], Stack[100005], P[100005], top; pair<int, int> E[100005]; bool bipartite = 1; long long Res[100005], C[100005]; vector<int> Cycle; int Level[100005]; bool Use[100005]; map<pair<int, int>, int> Map; void Read() ...
4
#define _CRT_SECURE_NO_WARNINGS #include<fstream> #include<iostream> #include<string> #include<iomanip> #include<list> #include<math.h> #include<stack> #include<queue> #include<vector> #include<algorithm> #include<utility> using namespace std; int main(int argc, char **argv){ int n; while (cin >> n && n != 0){ v...
0
#include <bits/stdc++.h> using namespace std; int Up(int a, int b) { return (a + b - 1) / b; } class Type { public: char ch; int number; int k; int value; Type() {} Type(char _ch, int _number) : ch(_ch), number(_number), k(0) {} friend bool operator<(const Type& a, const Type& b) { return a.number < ...
1
#include <bits/stdc++.h> using namespace std; const int MXN = 105; int N, M, arr[MXN][MXN]; vector<vector<int>> ans; void process(vector<pair<int, int>> v2) { vector<int> v; for (int i = 0; i < 3; i++) { v.push_back(v2[i].first); v.push_back(v2[i].second); } ans.push_back(v); for (int i = 0; i < 6; i ...
1
#include<stdio.h> #include<stdlib.h> #include<string.h> #include<math.h> #include<string> typedef long long LL; using namespace std; int main() { int N,Q; scanf("%d %d",&N,&Q); for(int i=0;i<Q;i++) { int len=0; int v,w; scanf("%d %d",&v,&w); if(N!=1) { v--; w--; int flag=0; while(v>0) { ...
0
#include <bits/stdc++.h> using namespace std; #define ll long long int main(){ int N; cin >> N; vector<ll> A(N); for (int i = 0; i < N; i++) cin >> A[i]; sort(A.begin(), A.end()); ll ans = 0; if (N % 2 == 0) { for (int i = N-1; i >= N/2+1; i--) ans += 2*A[i]; ans += A[N/2]; ...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; long long fact[n + 1]; fact[0] = 1; for (int i = 1; i <= n; i++) fact[i] = (fact[i - 1] * i) % m; long long res = 0; for (long long i = n; i; i--) { res += (n - i + 1) * (n - i + 1) % m * (fact[i] * fact[n - i] % m); ...
3
#include <bits/stdc++.h> using namespace std; long long power(long long a, long long b, long long m = 1000000007) { if (b == 0) return 1; if (b == 1) return a; long long res = power(a, b / 2, m); res = (res * res) % m; if (b & 1) res = (res * a) % m; return res; } long long modinv(long long a, long long m =...
3
#include<cstdio> #include<algorithm> using namespace std; #define ran 111 int n, m; pair<int, int> v[ran], x[ran]; int cmp(pair<int, int> &a, pair<int, int> &b) { if (a.second != b.second) return a.second < b.second; return a.first < b.first; } void upd(long long &a, long long b) { if (a==-1 || a>b) a = b; } int...
0
#include <bits/stdc++.h> using namespace std; const int LEN = 5e5 + 10; char s[LEN], t[LEN]; int main() { long long n, k, ans = 0, cur = 1; scanf("%lld%lld", &n, &k); scanf("%s", s); scanf("%s", t); if (k == 1) { printf("%d\n", n); } else { for (int i = 0; i < n; i++) { cur <<= 1; if (s[...
5