solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; long long n, r1, c1, r2, c2; vector<string> s; long long vis[51][51]; vector<pair<long long, long long> > pp{ {-1ll, 0ll}, {1ll, 0ll}, {0ll, 1ll}, {0ll, -1ll}}; vector<pair<long long, long long> > bfs(long long lx, long long ly) { vector<pair<long long, long long> > a...
3
#include<bits/stdc++.h> #define cs const #define pb push_back using namespace std; cs int N = 25005; int n, m, a[N]; int lu[N], ld[N], ru[N], rd[N]; int lp[N], rp[N], ans; void upt(int l, int r) { for(int i = l; i <= r; i++) { for(int &j = lp[i]; j >= l; j--) { if(a[j] > a[i]) { int &k = lu[i]; if(a[j]...
6
#include <bits/stdc++.h> using namespace std; const int MAXN = 101; const int MAXM = 20; const long long INF = 1LL << 61; struct person { int monitors, solve; long long cost; person() { monitors = solve = 0; cost = 0; } person(int _monitors, int _solve, long long _cost) { monitors = _monitors; ...
2
#include<iostream> #include<math.h> using namespace std; int main() { int t; cin>>t; while(t--) { int n,x=1; cin>>n; if(n==3) { cout<<2<<endl<<3<<" "<<2<<endl<<3<<" "<<2<<endl; continue; } if(n>10) { while(pow(8,x)<n) x++; cout<<n-1+x<<endl; for(int ...
4
#include <bits/stdc++.h> using namespace std; int n, k, a[100005], b[100005], q; vector<int> ke[100005], t[100005 * 4]; void setup() { cin >> n >> k; for (long long i = (1); i <= (n); i++) { cin >> a[i]; ke[a[i]].push_back(i); } } void add(int x) { int y = x * 2, z = x * 2 + 1; int i = 0, j = 0, cnt =...
5
#include <bits/stdc++.h> using namespace std; const double pi(3.14159265358979); int row[1010], col[1010]; int main() { int i, j, cnt, n, m, ans; scanf("%d", &m); scanf("%d", &n); char a[1010][1010]; for (i = 0; i < m; i++) scanf("%s", &a[i]); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) if (...
2
#include <bits/stdc++.h> int main() { int n, k; scanf("%d %d", &n, &k); if (n % k == 0) printf("%d", n + k); else { printf("%d", n + (k - (n % k))); } return 0; }
1
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; #define EPS (1e-7) #define INF (1e9) #define PI (acos(-1)) //const ll mod = 1000000007; int H, W; bitset<100> field; bitset<100> zeros; int carpet[15][15]; int baseans; int ans; vector<bitset<100>>...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, i, j; string in, out; cin >> n; cin >> in; for (i = 0; i < in.length(); i++) out += '9'; for (j = 0; j < in.length(); j++) { string s; int x = (10 - (in[j] - '0')) % 10; for (i = j; i != (j - 1 + in.length()) % in.length(); ...
2
#include <bits/stdc++.h> using namespace std; const int N = 1000 * 100 + 100, INF = 1000 * 1000 * 1000; int dp[N], b[N], ans[N], seg[4 * N], n, t[4 * N]; vector<int> num[N]; vector<pair<int, int> > q[N]; void upd(int p, int val, int s = 0, int e = n, int id = 1) { if (e - s == 1) { seg[id] = val; return; } ...
4
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize "trapv" void solve() { long long int a, b, c; cin >> a >> b >> c; long long int x = c + a + b - 2; cout << x; } int main() { ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); ; long long int t; cin >> t; while (t--) { ...
1
#include <bits/stdc++.h> using namespace std; int n, now, sfeefw; long long ans; int rnk[22 + 1][500005], bal[500005], tot[500005]; pair<pair<int, int>, int> sa[500005]; vector<int> v[2 * 500005]; char s[500005]; int total(int ind, int sz) { auto it1 = prev(upper_bound(v[bal[ind] - 1 + 500005].begin(), ...
6
#include <cstdio> #include <algorithm> #include <utility> using namespace std; const int N = 1000000; int n; pair<int, int> a1[N]; pair<int, int> a2[N]; int n1, n2; char s[N + 1]; bool test(pair<int, int> *a, int n) { sort(a, a + n); int p = 0; for (int i = 0; i < n; ++i) { if (a[i].first > p) return false; p...
0
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") const int N = 1e5 + 5; int t[2][N]; void up(int i, int p, int v) { if (p <= 0) return; for (; p < N; p += p & (-p)) { t[i][p] = max(t[i][p], v); } } int qry(int i, int p) { if (p <= 0) return 0; ...
3
#include <bits/stdc++.h> using namespace std; long long mp[27][27]; char s[110]; long long n; long long mem[101][101][27]; long long dp(long long cur, long long k, long long pre) { if (k < 0) return -1000000007; if (n == cur) return 0; long long &ret = mem[cur][k][pre], x = s[cur] - 'a' + 1; if (ret != -1000000...
3
#include <bits/stdc++.h> using namespace std; const int INF = 2147483647; const long long LLINF = 9223372036854775807LL; const int maxn = 2010; const unsigned long long base = 234323; unsigned long long p[maxn] = {}; unsigned long long h[maxn] = {}; unsigned long long gethash(int i, int j) { unsigned long long ans = ...
2
#include <bits/stdc++.h> using namespace std; int n, m; int a[50]; int b[50]; int score[51][51][51][51][2][2]; int memo[51][51][51][51][2]; bool check[51][51][51][51][2]; int getPassScore(int i, int j, int beforeI, int beforeJ, int turn, int player){ if(i == beforeI && j == beforeJ){ return 0; } ...
0
#include <bits/stdc++.h> using namespace std; int main(void){ int n,t; cin>>n>>t; int ans =10000; for(int i=0;i<n;i++){ int c,t1; cin>>c>>t1; if(ans>c&&t1<=t) ans=c; } if(ans!=10000) cout<<ans<<endl; else cout<<"TLE"<<endl; }
0
#include <iostream> #include <vector> #include <cmath> using std::cin; using std::cout; using std::endl; int digit(int n, int d) { int m = (int)(n/pow(10,d)) * pow(10,d); return (n - m)/pow(10,d-1); } int check_digit(int n) { for (int i = 15; i > 0; i--) { if (digit(n, i) > 0) { return i; } } return 1; }...
0
#include <bits/stdc++.h> using namespace std; const long long int MOD = 1e9 + 7; void solve() { long long int n, a; cin >> n; long long int val = n / 2; long long int ans = 0, beg = 3; for (long long int i = 1; i <= val; i++) { ans += i * (2 * beg + 2 * (beg - 2)); beg += 2; } cout << ans << endl;...
3
#include <bits/stdc++.h> using namespace std; const int MN = 1e5 + 10, MOD = 1e9 + 7; int f, w, h, fact[MN], lfac[MN]; int bpw(int a, int b) { if (!b) return 1; int t = bpw(a, b / 2); t = 1ll * t * t % MOD; if (b & 1) return 1ll * a * t % MOD; return t; } int get(int a, int b) { if (a == 0 && b == 0) return...
6
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long LINF = 0x3f3f3f3f3f3f3f3f; const int MOD = 1e9 + 7; template <typename S, typename T> inline bool Min(S &a, const T &b) { return a > b ? a = b, true : false; } template <typename S, typename T> inline bool Max(S &a, const T &b) ...
1
#include <bits/stdc++.h> using namespace std; int a[1005], b[1005], c[1005]; int main() { int t, n, i, s; cin >> t; while (t--) { cin >> n; for (i = 1; i <= n; i++) cin >> a[i] >> b[i]; c[1] = a[1]; for (i = 2, s = a[1] + 1; i <= n; i++, s++) { if (b[i] >= s) { if (a[i] >= s) { ...
2
#include <bits/stdc++.h> using namespace std; vector<int> lst; void gen(long long n) { if (n > 1000000000) return; if (n > 0) lst.push_back(n); gen(n * 10 + 4); gen(n * 10 + 7); } int L1, R1, L2, R2, k; double f(double x, double y, double L, double R) { return max(0.0, min(R, y) - max(L, x) + 1); } double cal...
2
#include <bits/stdc++.h> using namespace std; const int MAX_N = 50 + 7; const int MAX_K = 2000 + 7; const int INF = 0x3f3f3f3f; int N; int A[MAX_N]; char B[MAX_N]; int dp[MAX_N][MAX_K]; int dfs(int n, int k) { k -= A[n]; if (k <= 0) return 0; int &res = dp[n][k]; if (res != -1) return res; res = INF; for (i...
3
#include <bits/stdc++.h> using namespace std; long long mod = 10000000000; int main() { long long t; cin >> t; while (t--) { string s; cin >> s; int ans = 0, n = s.length(); if (n <= 1) cout << ans << endl; else { int st = -1, ed = -1; for (int i = 0; i < n; i++) { if...
1
#include <vector> #include <algorithm> #include <utility> #include <bitset> #include <iostream> using namespace std; const int inf = 1000000009; int dfs(vector<vector<int>> &graph, bitset<101> &used, int flow, int pos, int t) { if (pos == t) return flow; for (int i=0; i<graph[pos].size(); i++) { if (u...
0
#include <bits/stdc++.h> using namespace std; int main() { int t, n; cin >> t; while (t--) { int ans = 0; cin >> n; cout << n / 2 << endl; } }
1
#include <bits/stdc++.h> using namespace std; template <typename... T> void scan(T &...args) { ((cin >> args), ...); } template <typename... T> void print(T... args) { ((cout << args), ...); } class Solution_To_Problem { int r, g, b, m, ans; array<pair<char, int>, 3> count; public: void solution_function() ...
1
#include <bits/stdc++.h> using namespace std; char in[10]; int main() { int n; cin >> n; long long h = 1LL; long long w = 1LL; for (int i = 0; i < n; ++i) { scanf("%s", in); string txt = in; if (txt == "UR" || txt == "DL") { ++h; } else if (txt == "UL" || txt == "DR") { ++w; } ...
1
#include <bits/stdc++.h> using namespace std; int N, K, A[1 << 11], dp[2][1 << 11]; bool pos(int g) { if (g < 0) return false; memset(dp, 0, sizeof dp); for (int i = (1); i <= (N); i++) for (int j = (0); j <= (N - i); j++) if (i + j < N && abs(A[i + j] - A[i - 1]) > (long long)g * (j + 1)) dp[i ...
4
#include<bits/stdc++.h> #define fi first #define se second #define pb push_back #define SZ(x) ((int)x.size()) #define L(i,u) for (register int i=head[u]; i; i=nxt[i]) #define rep(i,a,b) for (register int i=(a); i<=(b); i++) #define per(i,a,b) for (register int i=(a); i>=(b); i--) using namespace std; typedef long long ...
0
#include <cstdio> using namespace std; const int MOD = 1000000007; int main() { int n, m; scanf("%d%d", &n, &m); long long x[100000], y[100000]; long long xl = 0, yl = 0; for(int i=0;i<n;i++) { scanf("%lld", x+i); if (i!=0) { xl += (x[i] - x[i-1]) * (n-i) * (i); ...
0
#include <bits/stdc++.h> using namespace std; #define MAXN 300010 int n, a[MAXN]; int ans[2]; int f[1000010], p[1000010]; vector<int> adj; void prime(){ for(int i = 2; i <= 1000000; ++i){ if(!f[i]) p[++p[0]] = i, f[i] = i; for(int j = 1; j <= p[0] && 1ll * p[j] * i <= 1000000; ++j){ ...
2
#include<bits/stdc++.h> typedef long long int ll; typedef unsigned long long int ull; #define BIG_NUM 2000000000 #define HUGE_NUM 99999999999999999 #define MOD 1000000007 #define EPS 0.000000001 using namespace std; #define NUM 55 int length; char S[NUM],T[NUM]; void func(){ scanf("%s %s",S,T); for(length = 0; ...
0
#include <bits/stdc++.h> using namespace std; int64_t N = 1e9 + 7; int64_t M = 9223372036854775807; int GCD(int A, int B) { if (B == 0) return A; else return GCD(B, A % B); } bool isPrime(long long n) { if (n <= 1) { return false; } if (n <= 3) { return true; } if (n % 2 == 0 || n % 3 == 0...
1
#include <bits/stdc++.h> using namespace std; vector<int> prime_sieve(int n) { vector<bool> a(n + 1, 1); for (int i = 2; i * i <= n; i++) { if (a[i]) { for (int j = i * i; j <= n; j += i) a[j] = 0; } } vector<int> res; for (int i = 2; i <= n; i++) { if (a[i]) res.push_back(i); } return r...
1
#include <bits/stdc++.h> using namespace std; const int N = 5e5 + 10, mod = 1e9 + 7; long long n, k, q; long long dp[N][2]; vector<pair<long long, long long> > adj[N]; void dfs(int v, int par = -1) { dp[v][0] = dp[v][1] = 0; long long sum = 0; vector<long long> c; for (auto x : adj[v]) { long long u = x.fir...
3
#include<iostream> #include<algorithm> #include<vector> #include<string> #include<map> using namespace std; #define int long long #define inf 3000000000000 typedef pair<int, int>P; int dp[160][10][80]; vector<P>s[160];//P(??????,???????????????) void init(int m) { for (int i = 0; i < 160; i++) { s[i].clear(); for...
0
#include <bits/stdc++.h> using namespace std; int main() { int a[100005], dp[100005], b[100005]; int n, ans, maxx; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; b[a[i]] = i; } memset(dp, 0, sizeof(b)); b[0] = 0; ans = 1; for (int i = 1; i <= n; i++) { if (b[i - 1] < b[i]) dp[i...
1
#include <bits/stdc++.h> using namespace std; void solve(long long n, long long d) { long long i; if (d <= n) { cout << "YES" << endl; return; } for (i = 1; i <= n; i++) { long long x = i + ceil(1.0 * d / (i + 1)); if (x <= n) { cout << "YES" << endl; return; } } cout << "NO"...
1
#include <bits/stdc++.h> using namespace std; int t, n, mp[21][21]; char a[100010], b[100010]; int main() { cin >> t; while (t--) { cin >> n; scanf("%s%s", a + 1, b + 1); int flg = 0; memset(mp, 0, sizeof(mp)); for (int i = 1; i <= n; i++) { if (a[i] == b[i]) { continue; } ...
3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; int a[2] = {0}; for (int i = 0; i < n; i++) { a[s[i] - '0']++; } cout << n - min(a[0], a[1]) * 2 << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; template <class T> T gcd(T a, T b) { return (b != 0 ? gcd<T>(b, a % b) : a); } template <class T> T lcm(T a, T b) { return (a / gcd<T>(a, b) * b); } template <class T> inline bool read(T &x) { int c = getchar(); int sgn = 1; while (~c && c < '0' || c > '9') { ...
6
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #in...
0
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> v(n); for (int i = 0; i < n; i++) cin >> v[i]; int p = 0; for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) p += v[i] > v[j]; cout << p % 2 + p / 2 * 4 << endl; }
4
#include <bits/stdc++.h> using namespace std; const long long N = 1005; int ar[N][N], row[N], col[N], n, m, k, a, b; char t; void solve() { cin >> n >> m >> k; for (int i = 1; i <= n; i++) { row[i] = i; for (int j = 1; j <= m; j++) { col[j] = j; cin >> ar[i][j]; } } while (k--) { cin...
2
#include<bits/stdc++.h> using namespace std; const int N=1e6; int A[N+1]; int GCD(int a,int b){ return b==0?a:GCD(b,a%b); } int main(){ #ifndef ONLINE_JUDGE freopen("in.txt","r",stdin); #endif int n,tmp,gcd=0; cin>>n; for(int i=0;i<n;++i){ cin>>tmp; ++A[tmp]; gcd=GCD(tmp,gcd); } //pairwise for(int i=2;...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; string str; stack<string> chat; map<string, int> check; cin >> n; while (n--) { cin >> str; chat.push(str); check[str] = 1; } while (!chat.empty()) { if (check[chat.top(...
2
#include <bits/stdc++.h> using namespace std; double x[10000], y[10000], q[100000]; int r[100000]; int main() { int i, j, n, mj, s = 0; double m, m1, m2, m3, c = 0; cin >> n >> s; for (i = 0; i < n; i++) cin >> x[i] >> y[i] >> r[i]; for (i = 0; i < n; i++) { q[i] = sqrt((x[i] - 0) * (x[i] - 0) + (y[i] - 0...
2
#include<cstdio> #include<algorithm> #include<cstring> #include<queue> using namespace std; const int N=2333; struct edge{int to,nxt,w,cost;}a[N<<5]; int n,S,T,hd[N],cnt=1,vis[N],pe[N];long long dis[N],ans; queue<int>Q; void link(int u,int v,int w,int cost){ a[++cnt]=(edge){v,hd[u],w,cost};hd[u]=cnt; a[++cnt]=(edge){...
0
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; if (n % 2 == 1) { cout << 7; n -= 3; } for (int i = 0; i < (n / 2); i++) cout << 1; cout << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; struct Pnt { long double x; long double y; Pnt(long double x, long double y) : x(x), y(y) {} Pnt() : x(0), y(0) {} long double operator%(Pnt p) const { return x * p.y - y * p.x; } long double len2() const { return x * x + y * y; } long double len() const { ret...
2
#include <bits/stdc++.h> using namespace std; const long long INF = numeric_limits<long long>::max(); const long long nax = (long long)(100001); const long long mod = 1e9 + 7; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); lon...
1
#include <bits/stdc++.h> using namespace std; inline int ma(int a, int b) { return ((a - b > 0) ? a : b); } inline int mi(int a, int b) { return ((a - b > 0) ? b : a); } template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << " : " << arg1 << endl; } template <typename Arg1, typename... Arg...
4
#include <bits/stdc++.h> using namespace std; double probability_mass_function(vector<double> probabilities, long long k) { const double pi = acos(-1); const complex<double> I(0, 1); long long n = probabilities.size(); complex<double> C = exp(2.0 * I * pi / (n + 1.0)); complex<double> answer(0, 0); for (lon...
4
#include <bits/stdc++.h> using namespace std; int arr[10000]; int main() { int n, m, k, i, c = 0; cin >> n >> m >> k; for (i = 0; i < n; i++) { cin >> arr[i]; if (arr[i] == 1 && m > 0) m--; else if (arr[i] == 1) c++; if (arr[i] == 2 && k > 0) k--; else if (arr[i] == 2 && m > ...
1
#include <bits/stdc++.h> using namespace std; inline long long Read() { long long res = 0, f = 1; char c; while (c = getchar(), c < 48 || c > 57) if (c == '-') f = 0; do res = (res << 3) + (res << 1) + (c ^ 48); while (c = getchar(), c >= 48 && c <= 57); return f ? res : -res; } template <class T> inlin...
1
#include <bits/stdc++.h> using namespace std; vector<int> p[4000]; int ans[300000]; int in[4000], out[4000], vis[4000]; char s[300000][4]; int n, cnt; int js(char ch) { if (ch >= 'a' && ch <= 'z') return ch - 'a'; else if (ch >= 'A' && ch <= 'Z') return ch - 'A' + 26; else if (ch >= '0' && ch <= '9') ...
4
#include <bits/stdc++.h> using namespace std; void require(bool cond, const string& message = "Runtime error") { if (!cond) { cerr << message << endl; assert(false); } } string text; int L, R; struct Restriction { char c; int l, r; int lp, rp; int lcnt, rcnt; }; ostream& operator<<(ostream& os, cons...
5
#include <bits/stdc++.h> using namespace std; int const N = 2200100; double const PI = acos(-1); void cmul(double &x, double &y, double cx, double cy) { double newx = x * cx - y * cy; y = x * cy + y * cx; x = newx; } double wx[N], wy[N]; int bitrev[N]; void fft(double *x, double *y, int n) { for (int i = 0; i <...
5
#include <bits/stdc++.h> using namespace std; int main(){ int N; string S; cin >> N >> S; int res = 0; vector<vector<int>> dp(N+1, vector<int>(N+1, 0)); for(int i=N-1;i>=0;i--){ for(int j=N-1;j>i;j--){ if(S[i] == S[j]){ dp[i][j] = max(dp[i][j], dp[i+1][j+1]+1...
0
#include <bits/stdc++.h> using namespace std; int n, m; char stra[200]; char strb[10]; map<char, set<int>> mapa; int main() { scanf("%d", &n); scanf("%d", &m); scanf("%s", &stra); for (int i = 0; i < n; i++) { mapa[stra[i]].insert(i); } int l, r, c1, c2; for (int i = 0; i < m; i++) { scanf("%d", &...
1
#include <bits/stdc++.h> using namespace std; struct particip { string name; int region; int points; }; vector<particip> a; int n, m; bool smaller(const particip &a, const particip &b) { if (a.region == b.region) { return a.points > b.points; } return a.region < b.region; } int main() { cin >> n >> m;...
2
#include <bits/stdc++.h> using namespace std; int n, m, p[100010], a[100010], id[100010], Next[100010], Prev[100010]; set<pair<int, int> > s; bool cmp(int a, int b) { return p[a] < p[b]; } int calc(int x, int y) { if (x == y) return 1e9; int d = (p[y] - p[x] + m) % m; if (x > y) d = (d + a[y]) % m; if (d <= a[x...
5
#include <bits/stdc++.h> using namespace std; string s[255] = { "0\n", "1\nlea ebx, [2*eax]\n", "1\nlea ebx, [eax + 2*eax]\n", "1\nlea ebx, [4*eax]\n", "1\nlea ebx, [eax + 4*eax]\n", "2\nlea ebx, [2*eax]\nlea ecx, [ebx + 4*eax]\n", "2\nlea ebx, [eax + 2*eax]\nlea ecx, [ebx + 4*eax]\n", "...
3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; int t = 1; string ans = ""; for (int i = 0; i < n; i += t) { ans += s[i]; t++; } cout << ans << endl; return 0; }
1
#include <cstdio> #include <algorithm> #define Rep(i, n) for (int i = 1; i <= n; i ++) #define Rep0(i, n) for (int i = 0; i <= n; i ++) using namespace std; const int N0 = 100010; const int N = 410; int x[N0], y[N0]; bool g[N][N], v[N]; int main() { int n, m; scanf("%d%d", &n, &m); Rep(i, m) scanf("%d%d", &x[i]...
0
#include <bits/stdc++.h> using namespace std; const int N = 5000; const int MOD = 1e9 + 7; int n; int m; string str; int R[N]; int Last[N]; void add(int &a, int b) { a += b; if (a < 0) a += MOD; if (a >= MOD) a -= MOD; } int dp[N][N]; int go(int pos, int curr) { if (pos == n) return 1; if (curr == m) return 0...
4
#include <bits/stdc++.h> using namespace std; long long ans, kq, n; string s; int dem; int main() { cin >> n; while (n > 0) { n--; cin >> s; ans = 0; dem = 0; for (int j = 0; j <= s.size() - 1; j++) { if (s[j] == '0') dem++; else { kq = 0; for (int i = j; i <=...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 5; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; const double eps = 1e-7; int w, l, a[MAXN], sum[MAXN]; int main() { scanf("%d %d", &w, &l); for (int i = 1; i < w; i++) scanf("%d", &a[i]), sum[i] = sum[i - 1] + a[i]; int ans = INF; for ...
4
#include "bits/stdc++.h" using namespace std; int main() { int N; cin >> N; if (N == 2) { cout << -1 << endl; return 0; } if (N == 3) { cout << "aa.\n..b\n..b\n"; return 0; } if (N == 6) { cout << "aa....\n..b...\n..b...\n...aa.\n.....b\n.....b\n"; return 0; } if (N == 7) { cout << "aabbcc.\ndde...
0
#include <bits/stdc++.h> using namespace std; int main() { int a; cin >> a; int ans = a * (a - 1) / 2; cout << ans * 12 + 1; }
2
#include <bits/stdc++.h> using namespace std; const double E = 1e-6; const double PI = 2 * acos(0); struct p3d { double x, y, z; p3d() : x(0), y(0), z(0) {} p3d(double x, double y) : x(x), y(y), z(0) {} p3d(double x, double y, double z) : x(x), y(y), z(z) {} p3d operator+(const p3d& o) const { return p3d(x + ...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; char a[n + 1][n + 1]; int ans[n + 1][n + 1]; for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) { cin >> a[i][j]; ans[i][j] = 0; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n - k + 1;...
2
#include <bits/stdc++.h> using namespace std; const long long N = 1e6 + 7, p = 998244353; int n, k, lim, a[N], b[N], c[N], rev[N], w[N], fac[N], ifac[N]; inline long long pows(long long a, int b) { long long ans = 1; while (b > 0) { if (b & 1) ans = (ans * a) % p; a = (a * a) % p, b = b >> 1; } return a...
5
#include <bits/stdc++.h> using namespace std; const int MAXN = 20; long long int dp[MAXN][MAXN]; long long int tav[MAXN]; long long int n; string s; long long int dtoc(char x) { return x - '0'; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); tav[0] = 1; for (int i = 1; i < MAXN; i++)...
5
#include <bits/stdc++.h> using namespace std; void Solve() { long long n; cin >> n; vector<pair<pair<long long, long long>, long long> > a(n); vector<long long> ans(n); for (long long i = 0; i < (n); ++i) { cin >> a[i].first.first >> a[i].first.second; a[i].second = i; if (a[i].first.first < 0) { ...
3
#include <bits/stdc++.h> const int MAXN = 300005, MOD = 998244353; inline int add(int x, int y) { return x + y < MOD ? x + y : x + y - MOD; } inline int dec(int x, int y) { return x - y < 0 ? x - y + MOD : x - y; } struct Z { int x; Z(int x = 0) : x(x) {} friend Z operator+(const Z& l, const Z& r) { return Z(add(...
4
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math") using namespace std; template <class t> inline t read(t &x) { char c = getchar(); bool f = 0; x = 0; while (!isdigit(c)) f |= c == '-', c = getchar(); while (isdigit(c)) x = (x << 1) + (x << 3) + (c ^ 48), c = get...
6
#include<bits/stdc++.h> #define LL long long #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; static const LL INF = 1LL<<61LL; static const int mod = 10007; typedef pair<int,int> PII; LL N,K; LL V[11][2020]; LL Q[11][2020],T[11][2020]; LL mem[2020][11]; LL temp; LL ca...
0
#include <bits/stdc++.h> unsigned long long counts[500001] = {0}; char s[500001], t[500001]; int main() { unsigned long long n, k; scanf("%llu %llu", &n, &k); scanf("%s %s", (char *)s, (char *)t); unsigned long long i; for (i = 0; i < n && s[i] == t[i]; i++) ; counts[n] = 1; counts[n - i] += 1; unsi...
5
#include <bits/stdc++.h> using namespace std; const long long A = 100000000000000LL, N = 228228; const int e[13] = {1, 4, 5, 9, 10, 40, 50, 90, 100, 400, 500, 900, 1000}; string a, o; string t[13] = {"I", "VI", "V", "XI", "X", "LX", "L", "CX", "C", "DC", "D", "MC", "M"}; long long s, _s, b, i, j, n...
3
#include <bits/stdc++.h> using namespace std; long long int n, a[100005], sum = 0, p = 0, s = 0, ans = 0; bool mark[100005], rang[100005]; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; sum += a[i]; } if (sum % 3 == 0) { sum /= 3; for (int i = 1; i <= n; i++) { s += a[i...
3
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n, cnt = 0, res = 0; cin >> n; string s; int cnt0 = 0, cnt1 = 0, nt = 0; for (int i = 0; i < n; i++) { cin >> s; cnt0 = 0; cnt1 = 0; for (int j = 0; j < s.length(); j++) ...
2
#include <bits/stdc++.h> using namespace std; int n, len; int a[100005], v[100005], dp[2][100005], poz[100005], fact[100005]; inline bool Lucky(int x) { while (x) { if (x % 10 != 4 && x % 10 != 7) return false; x /= 10; } return true; } inline int Pow_Log(int x, int p) { int sol = 1; while (p) { i...
5
#include <bits/stdc++.h> using namespace std; bool comp(pair<int, int> a, pair<int, int> b) { return a.first < b.first; } int main() { ios_base::sync_with_stdio(0); string a, b; cin >> a >> b; int tab1[26], tab2[26]; for (int i = int(0); i < int(26); ++i) { tab1[i] = tab2[i] = 0; } for (int i = int(0)...
2
#include <bits/stdc++.h> #define For(i, a, b) for(int (i)=(int)(a); (i)<(int)(b); ++(i)) #define rFor(i, a, b) for(int (i)=(int)(a)-1; (i)>=(int)(b); --(i)) #define rep(i, n) For((i), 0, (n)) #define rrep(i, n) rFor((i), (n), 0) #define fi first #define se second using namespace std; typedef long long lint; typedef uns...
0
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using pii = pair<int, int>; constexpr auto MOD = 1000000007LL; constexpr auto LINF = (1LL << 60); constexpr auto INF = 2147483647LL; constexpr auto PI = 3.1415926535897932384626433; constexpr auto EPS = 1...
2
#include <bits/stdc++.h> using namespace std; using ll = long long; const int MAXN = 1e5 + 9; ll gcd(ll a, ll b) { if (a == 0) return b; return gcd(b % a, a); } int main() { ios::sync_with_stdio(false); ll a; cin >> a; ll b, c, x; for (int i = 0; i < 5; i++) x = sqrt(a); for (ll i = sqrt(a); i > 0; i--)...
3
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll n,m,a[100005],b,c; ll ans; vector<pair<ll,ll>> p; int main() { cin>>n>>m; for(int i=0;i<n;i++){ cin>>a[i]; } sort(a,a+n); for(int i=0;i<m;i++){ cin>>b>>c; p.push_back({c,b}); } sort(p.begin(),p.en...
0
#include <bits/stdc++.h> using namespace std; int main() { double w,h,x,y;cin>>w>>h>>x>>y; cout<< fixed<< setprecision(6)<<w*h/2<<" "; if(w/2==x&&h/2==y) cout<<1; else cout<<0; }
0
#include<algorithm> #include<iostream> #include<cstdlib> #include<cstring> #include<cstdio> using namespace std; int n,m,q; long long ans; long long a[100000+10],b[100000+10]; int main() { scanf("%d%d%d",&n,&m,&q); for(int i=1;i<=n;i++) scanf("%lld",&a[i]); n++;a[n]=1e18;a[0]=-1e18; for(int i=1;i<=m;i++) scanf(...
0
#include <bits/stdc++.h> using namespace std; string s, d, h; int cnt = 1; char c[6][6], x; map<string, bool> ch; vector<int> ind; void tot(string s) { if (ch[s]) return; ch[s] = 1; string a; c[0][2] = s[0]; c[2][2] = s[1]; c[1][0] = s[2]; c[1][1] = s[3]; c[1][2] = s[4]; c[1][3] = s[5]; c[3][2] = c[...
1
#include <bits/stdc++.h> using namespace std; const int MAXN = 100005; template <typename T> struct LCT { int ch[MAXN][2] = {0, 0}, fa[MAXN] = {0}, siz[MAXN] = {0}; bool rev_tag[MAXN]; inline void maintain(int p) { siz[p] = siz[ch[p][0]] + siz[ch[p][1]] + 1; } inline void lazydown(int p) { if (rev_tag[p]) {...
5
#include <bits/stdc++.h> using namespace std; int main(void) { int n, k, l, c, d, nl, np, p; scanf("%d%d%d%d%d%d%d%d", &n, &k, &l, &c, &d, &p, &nl, &np); printf("%d\n", min(min(k * l / nl, c * d), p / np) / n); return 0; }
1
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") using namespace std; mt19937_64 mt_rand(chrono::system_clock::now().time_since_epoch().count()); template <typename T1, typename T2> inline bool upmax(T1& a, T2 b) { return (a < b ? (a = b, true) : false); } template <typename...
1
#include <bits/stdc++.h> using namespace std; const int MAXN = 1E5 + 10; const int INF = 1 << 30; struct OPT { int x, s1, s2, id; } op[MAXN], tL[MAXN], tR[MAXN]; pair<int, int> p[MAXN]; int n, V, t[MAXN], Ans1[MAXN], Ans2[MAXN]; long long v1[MAXN], v2[MAXN], totv1, totv2, val1[MAXN], val2[MAXN]; void C(int x, int v) ...
6
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; const long long mod = 1e9 + 7; const int alphabet = 26; const int inf = INT_MAX; const long long lint = 1e18 + 9; inline long long cnm(char ch) { return (ch - '0'); } inline long long cap(char ch) { return (ch - 'a'); } inline void instr(string& s,...
1
#include <bits/stdc++.h> using namespace std; vector<int> ans[105]; vector<int> lag, kom; int main() { int n, m, k; cin >> n >> m >> k; lag.resize(m); kom.resize(k); for (int i = 0; i < m; cin >> lag[i], i++) ; for (int i = 0; i < k; cin >> kom[i], i++) ; int kol = 0; for (int i = 0; i < m; i++)...
6