solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; int main() { long long a; char c; while (cin >> a >> c) { if ((a - 1) % 4 > 1) a -= 2; long long ans = a - 1; long long b = a / 4; a -= b * 2; ans += 6 * (a - 1); if (c > 'c') ans += 'f' - c + 1; else { ans += 3; ans += c ...
2
#include <bits/stdc++.h> using namespace std; int main() { int V; cin >> V; vector<vector<int>> d(V, vector<int>(V)); for (int i = 0; i < V; i++) { for (int j = 0; j < V; j++) { cin >> d[i][j]; } } long long res = 0; for (int i = 0; i < V; i++) { for (int j = 0; j < i; j++) { res += min(d[i][j], d[j...
0
#include <bits/stdc++.h> const int inf = 1e9; long long a[100005], f[65][100005], U; int n, s[100005]; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) scanf("%lld", &a[i]); long long M = *std::max_element(a + 1, a + n + 1); for (int i = 1; i <= n; ++i) a[i] = M - a[i]; for (int i = 0; i <= 63; ++i)...
4
#include <bits/stdc++.h> long long int add(long long int x, long long int y) { long long int res = x + y; return (res >= 1000000007 ? res - 1000000007 : res); } long long int mul(long long int x, long long int y) { long long int res = x * y; return (res >= 1000000007 ? res % 1000000007 : res); } long long int s...
2
#include <bits/stdc++.h> using namespace std; bool no(int x) { int a[10]; for (int i = 0; i < 10; i++) a[i] = 0; for (int i = 0; i < 4; i++) { a[x % 10]++; if (a[x % 10] > 1) return 0; x /= 10; } return 1; } int main() { int n, i, k = 0, t, j, a[15], b[15], c[15], l, o, q, w, y[15][15] = {0}, u;...
3
#include <bits/stdc++.h> using namespace std; const int N = 1e7; const int md = 1e9 + 7; int main() { int n; cin >> n; vector<int> v; int x = n; set<int> st; for (int i = 1; i <= n; ++i) { st.insert(i); } int s = 1; bool b = 1; while (!st.empty()) { v.push_back(s); st.erase(s); if (s...
3
#include <bits/stdc++.h> using namespace std; const int N = 1001; int n, m, c, p[N * N], comp[N][N], dist[3][N][N]; char g[N][N]; bool vis[N][N]; vector<vector<pair<int, int> > > bord; set<pair<int, int> > add; int dx[] = {-1, 1, 0, 0}, dy[] = {0, 0, -1, 1}; bool check(int x, int y) { return x >= 0 && x < n && y >= 0...
3
#include <iostream> #include <vector> #include <algorithm> #include <queue> using namespace std; const int inf = 1e9; struct road{ int dist; int cost; int to; road(int d, int c, int t): dist(d), cost(c), to(t){} bool operator < (const road &a) const{ return (dist==a.dist)? cost > a.cost : d...
0
#include <bits/stdc++.h> using namespace std; int sum[30], res[30], num[30]; map<string, int> ma, ma1; vector<string> s[1000000], ss[1000000]; int main() { int n; cin >> n; if (n == 1) { cout << "? 1 1" << "\n"; fflush(stdout); string s3; cin >> s3; fflush(stdout); cout << "! " <<...
5
#include <bits/stdc++.h> using namespace std; const long long maxn = 1e6 + 5, mod = 1e9 + 7; int n, k; long long fac[maxn], pre[maxn], suf[maxn], y[maxn], inv[maxn]; long long pow_mod(long long a, long long b) { a %= mod, b %= mod - 1; if (!a) return 0; long long ans = 1; while (b) { if (b & 1) ans = ans * ...
6
#include <bits/stdc++.h> using namespace std; const long double pi = 2 * acos(0.0); struct arr { long long index, val; }; struct query { long long n, ind, index, ans; }; bool compare(arr a1, arr a2) { if (a1.val == a2.val) return (a1.index < a2.index); return (a1.val > a2.val); } bool compare2(arr a1, arr a2) {...
4
#include <bits/stdc++.h> const int N = 3e3 + 7; using namespace std; inline long long read() { long long x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } retu...
5
#include <bits/stdc++.h> #pragma GCC optimize(2, 3, "Ofast") using namespace std; int n; int a[5005], ans, nxt; unordered_map<int, int> re; int cnt[5005]; inline void fix(int &x) { int fu = 1; if (x < 0) fu = -1, x = -x; for (register int i = 2; i * i <= x; i++) while (x && x % (i * i) == 0) x /= (i * i); x...
4
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:16777216") using namespace std; int n, a[21], bs, rs; pair<int, int> b[21], r[1 << 21]; void go(int f, int bf, int t, int o, int p) { if (!o || b[p].second) { if (p) go(f, t, bf, 0, p - 1); for (int i = 0; i < b[p].first; i++) r[rs].first = f, r[rs++].s...
4
#include <bits/stdc++.h> using namespace std; int main(void) { int y, b, r; cin >> y >> b >> r; cout << 3 * min(y + 1, min(b, r - 1)) << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; int n, a[200001], c[200001], sum, m, yoy; struct node { int x, y; } b[200001], d[200001]; bool cmp(node x, node y) { return x.x < y.x; } bool check(int z) { for (int i = 1; i <= n; i++) c[i] = a[i]; for (int i = 1; i <= n; i++) d[i].x = 0, d[i].y = 0; for (int i = 1...
6
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { long long r; while (b != 0) { r = a % b; a = b; b = r; } return a; } long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } long long n, k; long long fib[100]; void solve() { scanf("%I64d%I64d", ...
4
#include <bits/stdc++.h> using namespace std; template <typename T> inline int popcount(T t) { if (std::numeric_limits<T>::digits <= std::numeric_limits<unsigned int>::digits) { return __builtin_popcount(t); } else { return __builtin_popcountll(t); } } const long double EPS = 1e-8; const long double...
2
#include <bits/stdc++.h> using namespace std; unsigned long long b[1000009], c[1000009]; int main() { unsigned long long n; cin >> n; unsigned long long a[n + 1]; unsigned long long sum = 0; unsigned long long ans = 0; for (int i = 1; i <= n; i++) { cin >> a[i]; b[a[i]]++; sum += a[i]; } for...
3
#include <bits/stdc++.h> using namespace std; int main() { string s1, s2; int n, dp[1000], sum, len, i, j, ans = 0; const int mod = 1000000007; cin >> s1 >> s2 >> n; memset(dp, 0, sizeof(dp)); dp[0] = 1, len = ((int)s1.size()); for (i = 0; i < n; i++) { sum = 0; for (j = 0; j < len; j++) { s...
4
#include <bits/stdc++.h> using namespace std; struct triple { int a, b, c; bool operator<(const triple &r) const { return a != r.a ? a < r.a : b != r.b ? b < r.b : c < r.c; } }; vector<triple> V; int main() { int n, res(0); scanf("%d", &n); for (int i = 1; i <= n; ++i) { int k, c(0), val, x, y, m, n...
1
#include <bits/stdc++.h> using namespace std; int main() { int i, n, k; set<int> st; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &k); st.insert(k); } if (st.size() < 3) { puts("YES"); return 0; } if (st.size() > 3) { puts("NO"); return 0; } auto it = st.begin(); ...
2
#include <bits/stdc++.h> using namespace std; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long t; cin >> t; for (long long j = 0; j < t; j++) { long long a, b, c, d; cin >> a >> b >> c >> d; if (b >= a) cout << b << "\n"; else { if (c <= d) ...
1
#include <cstdio> #include <iostream> #include <vector> #include <list> #include <cmath> #include <fstream> #include <algorithm> #include <string> #include <queue> #include <set> #include <map> #include <complex> #include <iterator> #include <cstdlib> #include <cstring> #include <sstream> using namespace std; #define...
0
#include <bits/stdc++.h> const int INF = 1e9; const long long int LINF = 1e18; const int mod = 1e9 + 7; const int N = 1e6 + 10; using namespace std; void fast() { std::ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); } int main() { fast(); string s, s1, s2; getline(cin, s); getline(cin, s1); getli...
1
#include<bits/stdc++.h> using namespace std; int main(){ signed long long a, b, c, d; cin >> a >> b >> c >> d; cout << max({b * d, a * c, a * d, b * c}) << endl; }
0
#include <bits/stdc++.h> using namespace std; long long k[100005], l[100005], cha[10005]; bool cmp(const long long a, const long long b) { return a > b; } int main() { long long n, f; cin >> n >> f; long long ans = 0; for (long long i = 1; i <= n; i++) { cin >> k[i] >> l[i]; ans += min(k[i], l[i]); ...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL), cout.tie(NULL); long long n, flag = 0; cin >> n; std::vector<pair<long double, long double> > v(n); for (int i = 0; i < n; i++) cin >> v[i].first >> v[i].second; std::vector<long long> ans(n); lon...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, x = 0, c = 0; cin >> n; int a[n - 1]; for (int i = 0; i < n - 1; i++) { cin >> a[i]; } sort(a, a + n - 1); for (int i = 0; i < n - 1; i++) { if (a[i + 1] - a[i] > 1) { x = i + 1; break; } } if (a[0] == 1) { c...
1
#include <bits/stdc++.h> using namespace std; void solve() { long long n; cin >> n; vector<long long> v(n); for (long long i = 0; i < n; i++) { cin >> v[i]; } sort(v.begin(), v.end()); long long mini = v[0]; bool flag = 1; for (long long i = 0; i < n; i++) { v[i] -= mini; if (v[i] & 1) { ...
1
#include <bits/stdc++.h> #define maxn 1000005 #define ll long long int fin[maxn],suf[maxn][27],ch[maxn][27],tl=1,n; ll ans; std::string s[200005]; int cmp(std::string a,std::string b) { return a.length() < b.length(); } void insert(std::string s) { std::reverse(s.begin(),s.end()); int rt = 1, n = s.length(); for (...
0
#include <bits/stdc++.h> using namespace std; int main() { int n; int m; int p = 1; cin >> n; for (int i = 0; i < n; i++) { cin >> m; int arr[m]; for (int j = 0; j < m; j++) { cin >> arr[j]; } if (arr[0] == 1) { p = p + 1; } for (int k = 1; k < m; k++) { if (k != ...
1
#include <bits/stdc++.h> using namespace std; template <class A, class B> A cvt(B x) { stringstream ss; ss << x; A y; ss >> y; return y; } int n; int d[1 << 16], x[1 << 16]; int main() { scanf("%d", &n); queue<int> q; for (int i = 0; i < (n); i++) { scanf("%d %d", &d[i], &x[i]); if (d[i] == 1) q...
1
#include<bits/stdc++.h> using namespace std; int n,W,w[109],v[109],dp[100009],ans; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); memset(dp,0x3f,sizeof(dp)); dp[0]=0; cin>>n>>W; for(int i=0;i<n;i++) cin>>w[i]>>v[i]; for(int i=0;i<n;i++) for(int j=100008;j>=v[i];j--) dp[j]=min(dp[j]...
0
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; vector<pair<long long, long long>> a(n); for (long long i = 0; i < n; i++) cin >> a[i].first >> a[i].second; sort(a.begin(), a.end()); vector<pair<pair<long long, long long>, long long>> b; pair<long long, long long> cur = a...
1
#include <iostream> #include <string> #include <vector> #include <map> #include <set> #include <utility> #include <algorithm> #include <cmath> #include <climits> #include <iomanip> #include <queue> #include <stack> #include <ctype.h> using namespace std; typedef long long ll; const int INF = (1<<30)-1; const ll LINF...
3
#include <bits/stdc++.h> using namespace std; void bad(string mes = "Impossible") { cout << mes; exit(0); } template <typename... T> void shit(T&... x) {} template <typename... T> void dec(T&... x) { shit(--x...); } template <typename... T> void inc(T&... x) { shit(++x...); } template <typename T> string bin(T ...
2
#include <bits/stdc++.h> using namespace std; int n, k; int m; vector<pair<int, int> > g[81]; int minut[81][81]; int dp[81][81][81][81]; long long mini = INT_MAX; long long rek(int l, int r, int mid, int more) { if (more == 0) return 0; if (dp[l][r][mid][more] != 0) return dp[l][r][mid][more]; long long akt = INT...
4
#include<bits/stdc++.h> using namespace std; #define int long long int f[45][45][45],a[45][45]; int dfs(int l,int r,int x){ if(f[l][r][x]!=-1) return f[l][r][x]; if(l==x && r==x) return 1; f[l][r][x]=0; for(int j=l;j<x;++j) for(int k=r;k>x;--k) if(a[j][k]){ for(int p=j;p<x;++p) for(int q=k;q>x;--q) ...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 100005; struct node { int to[26], vis[26], s, siz; } t[maxn]; vector<pair<int, int> > go[maxn]; vector<pair<int, int> > qr[maxn]; int dfn[maxn], refer[maxn], sig[maxn], len[maxn], dfn_cnt; int ans[maxn], sav[maxn], siz[maxn], vis[maxn], fa[maxn], dep[maxn...
4
#include <bits/stdc++.h> using namespace std; int n, m; int a[210000]; int cnt[110]; int main() { cin >> n >> m; for (int i = 1; i <= n; i++) scanf("%d", &a[i]); int sum = 0; for (int i = 1; i <= n; i++) { if (i > 1) putchar(' '); sum += a[i]; int now = sum; int ans = 0; for (int j = 100; j ...
3
#include <iostream> #include <fstream> #include <cassert> #include <typeinfo> #include <vector> #include <stack> #include <cmath> #include <set> #include <map> #include <string> #include <algorithm> #include <cstdio> #include <queue> #include <iomanip> #include <cctype> #include <random> #include <time.h> #define syosu...
0
#include <iostream> using namespace std; int main() { long long n, ans=1; cin>>n; for(int i=1; i<=n; i++) { ans *= i; ans = ans%1000000007; } cout<<ans; return 0; }
0
#include <bits/stdc++.h> void merge(int arr[], int l, int m, int r) { int i, j, k; int n1 = m - l + 1; int n2 = r - m; int L[n1], R[n2]; for (i = 0; i < n1; i++) L[i] = arr[l + i]; for (j = 0; j < n2; j++) R[j] = arr[m + 1 + j]; i = 0; j = 0; k = l; while (i < n1 && j < n2) { if (L[i] <= R[j]) {...
3
#include <bits/stdc++.h> using std::cerr; using std::cin; using std::max; using std::min; int n, m, stv, atk, inc, Cn, cnt, tot, so[100005 << 2], Sum[100005 << 2]; long long ans; std::vector<int> S[100005]; struct info1 { int Max, h, v; } A[100005]; struct info2 { int t, id, v; friend bool operator<(info2 t1, inf...
3
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 10; int s[N]; int main() { int t; scanf("%d", &t); for (int i = 1; i < 300010; i++) { s[i] = s[i - 1] ^ i; } while (t--) { int a, b; scanf("%d%d", &a, &b); int ans = a; int flag = s[a - 1]; if (flag == b) { cout <<...
2
#include <bits/stdc++.h> using namespace std; int main() { int x, n, sum = 0; cin >> n; x = n; for (;;) { sum = 0; while (n != 0) { sum = sum + n % 10; n = n / 10; } if (sum % 4 == 0) { n = x; break; } else { n = x + 1; x = n; continue; } } c...
1
#include<iostream> #include<algorithm> #include<string> #include<utility> #include<vector> #include<numeric> #define debug(x) cerr << #x << ": " << x << endl using namespace std; int n; int solve(vector<string> cities){ int merged[n+1][n+1]; fill_n(merged[0], (n+1)*(n+1), 0); int length[n+1]; fill_...
0
#include<cstdio> #include<iostream> #include<cstring> #define RG register #define LL long long using namespace std; const int N=2e5+10; struct dabt{ int next,to; LL dis; }e[N]; int n,r,c,head[N],k; bool vis[N]; LL num[N],minr,minc; template<typename I> inline void read(I &ot){ I ch=getchar(), x=0, f=1; while(ch<'0' ...
0
#include <bits/stdc++.h> using namespace std; int main() { cout.precision(10); cout << fixed; int N, M; cin >> N >> M; vector<int> state(N); for (int i = 0; i < N; ++i) { cin >> state[i]; } vector<vector<int> > edges(N), invEdges(N); for (int i = 0; i < M; ++i) { int x, y; cin >> x >> y; ...
1
#include <iostream> using namespace std; int d, g, s, p[15], c[15], dp[1005]; int main() { int i, j, k; cin>>d>>g; for(i=1; i<=d; i++) cin>>p[i]>>c[i]; for(i=1; i<=d; i++) { s += p[i]; for(j=s; j>0; j--) for(k=1; k<=p[i] && k<=j; k++) { dp[j] = max(dp[j], dp[j-k] + k*100*i + (k==p[i])*c[i]); } } for(i=1;...
0
#include"iostream" using namespace std; int main() { int n; cin >> n; cout << (n / 2)*(n - n / 2) << endl; }
0
//....SARANSH GUPTA....\ #include<bits/stdc++.h> using namespace std; #define int long long #define fo(p,n) for(int i=p;i<n;i++) #define FIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define endl "\n" #define mp make_pair #define pb push_back #define mod 1000000007 const int N=2e5+5; i...
3
#include <bits/stdc++.h> using namespace std; const int maxi = 1e6 + 2; int a[maxi], b[maxi]; int res[maxi]; vector<int> v[maxi]; string s; int n, m, k; int ok; int rem[maxi]; int deg[maxi]; map<pair<int, int>, int> mp; queue<int> q; void skloni(int poz) { while (!q.empty()) { int x = q.front(); deg[x] = 0; ...
5
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; long long int x; cin >> n >> x; int a, h; int d = 0, e = 0; for (int i = 0; i < n; ++i) { cin >> a >> h; if (a > d) d = a; if (a - h > e) e = a - h; } int ans = 0; ...
2
#include <bits/stdc++.h> using namespace std; string s; int co[200000]; int main() { cin >> s; for (int i = 0; i < s.length(); i++) co[s[i]]++; for (int i = 'a'; i <= 'z'; i++) if (co[i] % 2 == 1) { int tmp = 0; for (int j = 'z'; j >= 'a'; j--) if (i != j and co[j] % 2 == 1) { tm...
3
#include<cstdio> #include<algorithm> using namespace std; int n,d[100001]; int shortestDistance(int k,int l,int r) { if(l>r) return min(abs(d[l]-k),abs(d[r]-k)); int m=(l+r)/2; if (d[m]<k) return shortestDistance(k,m+1,r); else if(d[m]>k) return shortestDistance(k,l,m-1); else return 0; } int main() { fo...
0
#include <iostream> #include <cmath> using namespace std; typedef long long int lli; const double EPS = 1e-10; int main(){ int w,h,v,t,sx,sy,gx,gy; cin>>w>>h>>v>>t>>sx>>sy>>gx>>gy; lli rad = v*t; long long int ans=0; double r2 = rad*rad; double diff = gx; for(int x=-gx-2*w*(rad/(2*w)+1); x...
0
#include <bits/stdc++.h> using namespace std; #define ll long long const int N = 2e5 + 5, MOD = 1e9 + 7; int A[N]; int mult(int a, int b){ ll ret = (a * 1LL * b) % MOD; return ret; } int main(){ int n, cntr = 0, ans = 1; cin>>n; A[0] = -1; for(int i = 1; i <= n; i++) cin>>A[i]; for(int i = 1; i <= n; i+...
0
#include <bits/stdc++.h> using namespace std; long long d[5010][5010]; long long sum[300010]; int main() { int n, k; scanf("%d%d", &n, &k); int a[300010]; for (int i = 1; i <= n; i++) scanf("%d", &a[i]); a[0] = 0; sum[0] = 0; sort(a + 1, a + 1 + n); for (int i = 1; i <= n; i++) sum[i] = sum[i - 1] + abs...
2
#include <bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b; c=b+(b-a); cout<<c<<endl; }
0
#include <bits/stdc++.h> using namespace std; long long maxi = LLONG_MIN; long long mini = LLONG_MAX; void fast() { ios_base::sync_with_stdio(false); cin.tie(NULL); } int main() { fast(); long long n, i, y = 1, fy = 0, mxd = 1; cin >> n; vector<long long> v(n); for (int i = 0; i < n; i++) cin >> v[i]; y...
3
#include <bits/stdc++.h> using namespace std; int eu[500005], ev[500005], ew[500005]; int n, q, tot, st[500005], ed[500005]; int val[2][500005], dist[2][500005]; int dep[500005]; vector<pair<int, int> > G[500005]; void add_edge(int u, int v, int w) { G[u].push_back(pair<int, int>(v, w)); G[v].push_back(pair<int, in...
6
#include <bits/stdc++.h> int main() { int n, i, j, c = 0, p, q, f = 0; scanf("%d", &n); scanf("%d", &p); int a[p]; for (i = 0; i < p; i++) scanf("%d", &a[i]); scanf("%d", &q); int b[q]; for (i = 0; i < q; i++) scanf("%d", &b[i]); for (i = 1; i <= n; i++) { f = 0; for (j = 0; j < p; j++) { ...
1
#include <iostream> #include <complex> #include <sstream> #include <string> #include <algorithm> #include <deque> #include <list> #include <map> #include <numeric> #include <queue> #include <vector> #include <set> #include <limits> #include <cstdio> #include <cctype> #include <cmath> #include <cstring> #include <cstdli...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long t; cin >> t; while (t--) { long long n, k; cin >> n >> k; long long total = n * k; std::vector<long long> v(total); for (long long i = 0; i < total; i++) { cin >> v[i...
2
#include <bits/stdc++.h> using std::cin; using std::cout; using std::endl; const int maxn = 100005; const double eps = 1e-8; int sign(double x) { if (fabs(x) < eps) { return 0; } else { if (x > 0.00) { return 1; } else { return -1; } } } double dist(double x1, double y1, double x2, dou...
3
#include <bits/stdc++.h> using namespace std; const long long int N = 200010; vector<vector<long long int> > multiply(vector<vector<long long int> > a, vector<vector<long long int> > b) { long long int n = a.size(); long long int m = b[0].size(); long long int o = a[0].size...
5
#include <bits/stdc++.h> using namespace std; using cd = complex<double>; const int Inf = 2750131; const int mod = 1000000007; const double Pi = acos(-1); void Fastio() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); } long long n, ans = 0; void Solve() { cin >> n; for (long long i = 2; i <= n; i...
4
#include <bits/stdc++.h> using namespace std; int main() { unsigned long long l, r; long long s = 0; cin >> l >> r; int i = 1; int j = 1; while (i <= r) { j = 1; while (i * j < l) { j *= 2; } while (i * j <= r) { s++; j *= 2; } i *= 3; } cout << s; return 0; }...
1
#include <iostream> #include <vector> #include <cstring> #include <string> #include <algorithm> #include <iomanip> #include <cmath> #include <cassert> using namespace std; typedef pair<int, vector<string> > P; int t; string s; P f(string s, vector<bool> cut) { P ret; string a; a += s[0]; for(int i = 0; i < cut.si...
0
#include <bits/stdc++.h> using namespace std; double a, v, l, d, w; double t1, t2, t3, s1, s2, s3, ans, rv; int main() { scanf("%lf %lf %lf %lf %lf", &a, &v, &l, &d, &w); t1 = w / a, t2 = v / a, t3 = (v - w) / a; s1 = t1 * w / 2, s2 = t2 * v / 2, s3 = (v + w) * t3 / 2; if (v <= w || s1 >= d) { if (s2 > l) ...
4
#include <bits/stdc++.h> using namespace std; vector<vector<long> > g; vector<long> v, ans; set<long> used, q; void bfs() { long vrt; while (q.size() == 1) { vrt = *q.begin(); q.erase(q.begin()); ans.push_back(vrt); used.insert(vrt); for (long i = 0; i < g[vrt].size(); ++i) { --v[g[vrt][i]...
4
#include <bits/stdc++.h> using namespace std; const long long int MOD = 998244353; long long int power(long long int a, long long int b) { long long int ret = 1; while (b) { if (b & 1) ret *= a; a *= a; if (ret >= MOD) ret %= MOD; if (a >= MOD) a %= MOD; b >>= 1; } return ret; } int main() {...
5
#include <bits/stdc++.h> using namespace std; template <typename T> void ckmin(T &a, const T &b) { a = min(a, b); } template <typename T> void ckmax(T &a, const T &b) { a = max(a, b); } template <typename... Args> void logger(string vars, Args &&...values) { cout << vars << " = "; string delim = ""; (..., (co...
2
#include <bits/stdc++.h> using namespace std; const int MaxN = 210, MaxM = 2010, inf = 1e9; int N, M; int S, T; int Node[MaxN], Ecnt = 1; struct Edges { int t, next, f; } e[MaxM * 2]; void Add(int u, int v, int c) { e[++Ecnt] = (Edges){v, Node[u], c}, Node[u] = Ecnt; e[++Ecnt] = (Edges){u, Node[v], 0}, Node[v] = ...
5
#include <bits/stdc++.h> using namespace std; int n; int arr[300003]; int pref[300003][3], pE; int query(int kir, int kan, int tipe) { if (kan < kir) return 0; else return (kir != 0) ? pref[kan][tipe] - pref[kir - 1][tipe] : pref[kan][tipe]; } int main() { scanf("%d", &n); pref[0][0] = 1; for (int i =...
2
#include <bits/stdc++.h> using namespace std; const int OO = 0x3f3f3f3f; using namespace std; long long inv(long long a, long long b) { return 1 < a ? b - inv(b % a, a) * b / a : 1; } long long Pow(long long B, long long P) { long long R = 1; while (P > 0) { if (P & 1) R = (R * B); P /= 2; B = (B * B)...
3
#include <bits/stdc++.h> using namespace std; int main() { int clients, maxByte; cin >> clients >> maxByte; int lowByte, highByte; cin >> lowByte >> highByte; vector<pair<int, int> > clientByte; for (int i = 0; i < clients; i++) { int lowPic, highPic; cin >> lowPic >> highPic; int byteUsage = lo...
3
#include <bits/stdc++.h> using namespace std; char str[1000010]; int main(int argc, const char* argv[]) { scanf("%s", str); int i = 0; for (; str[i]; i++) if (str[i] == 'r') printf("%d\n", i + 1); i--; for (; i >= 0; i--) if (str[i] == 'l') printf("%d\n", i + 1); return 0; }
3
#include <bits/stdc++.h> using namespace std; const int INF = 1001001001; const long long INFLL = 1001001001001001001LL; template <typename T> void pv(T a, T b) { for (T i = a; i != b; ++i) cout << *i << " "; cout << endl; } template <typename T> void chmin(T& a, T b) { if (a > b) a = b; } template <typename T> v...
5
#include <bits/stdc++.h> using namespace std; using int64 = long long; constexpr int DEBUG = 0; int SolveCase() { int n; cin >> n; vector<int> xs(n); int equal_count = 0; for (int i = 0; i < n; i++) { cin >> xs[i]; xs[i]--; if (i == xs[i]) equal_count++; } if (equal_count == n) { return 0;...
3
#include <bits/stdc++.h> using namespace std; void init() {} const int N = 1e6 + 34; bool u, d, l, r; int ans = 1; int main() { init(); int n; string s; cin >> n >> s; for (int i = 0; i < n; i++) { if ((s[i] == 'R' && l) || (s[i] == 'L' && r) || (s[i] == 'D' && u) || (s[i] == 'U' && d)) { an...
3
// g++ -std=c++11 a.cpp #include<iostream> #include<vector> #include<string> #include<algorithm> #include<map> #include<set> #include<unordered_map> #include<utility> #include<cmath> #include<random> #include<cstring> #include<queue> #include<stack> #include<bitset> #include<cstdio> #include<sstream> #include<iomanip>...
0
#include <bits/stdc++.h> using namespace std; vector<long long int> a[900000]; long long int s4(long long int x) { long long int lo = 1, hi = 1000; while (lo < hi) { long long int mi = (lo + hi) / 2; if (mi * mi * mi * mi >= x) hi = mi; else lo = mi + 1; } return lo; } long long int s2(l...
3
#include<bits/stdc++.h> #define rep(i, n) for(ll i = 0; i < n; i++) using namespace std; typedef long long ll; using Graph =vector<int>; typedef pair<ll,int> P; const ll MAX_N=131072; int bit[MAX_N*2-1]; ll n; void add(ll a,ll w){ ll x=a; while(x<=n){ bit[x]+=w; x+=x&(-x); } } ll sum(int a){ ll ret=0;...
0
#include <bits/stdc++.h> using namespace std; const int MaxN = int(2e5) + 256; string s, t; multiset<char> M; int ura, opa; bool u[MaxN]; int main() { cin >> s >> t; for (int i = 0; i < t.size(); ++i) M.insert(t[i]); for (int i = 0; i < s.size(); ++i) { if (M.find(s[i]) != M.end()) { M.erase(M.find(s[i]...
2
#include<bits/stdc++.h> using namespace std; #define FOR for(int k = 0; k < si2; k++) #define M(a) ('0'<=a&&a<='9')?(a-'0'+1)%10+'0':a #define P(a) ('0'<=a&&a<='9')?(a-'0'-1+10)%10+'0':a int main(){ int n, si, si2; string str, str2, temp; cin>>n; for(int i = 0; i < n; i++){ cin>>str>>str2; si = str.size(); si2...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, ar[105], s[105], a, b; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &ar[i]); s[0] = 0; for (int i = 1; i <= n; i++) s[i] = s[i - 1] + ar[i]; scanf("%d%d", &a, &b); printf("%d\n", min(abs(s[b - 1] - s[a - 1]), s[n] - ab...
1
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int q, n, l, r; cin >> q; pair<int, int> p[200005]; while (q--) { cin >> n; vector<pair<int, int> > v; for (int i = 0; i < n; i++) { cin >> l >> r; p[i] = make_pair(l, r); v.pus...
3
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10, mod = 1e9 + 7; const long long inf = 1e18 + 1; bool inp[600][600]; set<int> x[600]; set<int> y[600]; vector<char> ans; int n; bool check[600][600]; void dfs(int i, int j) { check[i][j] = 1; if (!inp[i][j]) { ans.push_back('1'); x[i].in...
5
#include <bits/stdc++.h> std::mt19937_64 rng( std::chrono::steady_clock::now().time_since_epoch().count()); using namespace std; long long mex[10005]; vector<long long> v; long long y; long long n; long long get_mex() { y++; for (long long i = 0; i < v.size(); i++) mex[v[i]] = y; for (long long i = 0; i <= n;...
4
#include<iostream> using namespace std; int n,ans=0,maxn=0; string s; int main() { cin>>n>>s; for(int i=0;i<n;i++) { if(s[i]=='I') ans++; if(s[i]=='D') ans--; if(maxn<ans) maxn=ans; } cout<<maxn<<endl; return 0; }
0
#include <bits/stdc++.h> int main() { int n; scanf("%d", &n); if (n % 10 == 0) printf("%d", n); else if ((n % 10) >= 5) { printf("%d", n + (10 - (n % 10))); } else printf("%d", n - (n % 10)); }
1
#include <bits/stdc++.h> using namespace std; int n, m, i, a[100001]; int h, pc, q, juc[100001]; int main() { cin >> n >> m; for (i = 1; i <= n; i++) { cin >> a[i]; } sort(a + 1, a + n + 1); h = 1; while (pc < m) { pc++; if (pc == a[h]) h++; else { m -= pc; juc[++q] = pc; ...
3
#include <bits/stdc++.h> using namespace std; int n, ai[101], bi[101], c[6], aes; int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> n; for (int i = 1; i <= n; i += 1) cin >> ai[i], c[ai[i]]++; for (int i = 1; i <= n; i += 1) cin >> bi[i], c[bi[i]]++; for (int i = 1; i <= 5; i += 1) { if (c[i] ...
1
#include <bits/stdc++.h> using namespace std; const long long inf = 1e15 + 7; long long res = 0; long long gcd(long long a, long long b) { return (b == 0 ? a : gcd(b, a % b)); } struct seg { long long ax, ay, cx, cy, k; seg() {} }; set<pair<long long, long long> > used; bool check(seg a, seg b) { bool rev = false...
5
#include <bits/stdc++.h> using namespace std; long long fact(long long s, long long n) { long long res = 1; for (int i = 0; i < n; i++) res = res * (s - i + 1000000009) % 1000000009; return res; } long long bin[100009]; int main() { int n, m, i; bin[0] = 1; for (i = 1; i <= 100000; i++) bin[i] = 2 * bin[i -...
1
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ; long long int n; cin >> n; if (n == 1) cout << "1"; else if (n == 2) cout << "2"; else if (n & 1) cout << n * (n - 1) * (n - 2); else { if (n % 3 == 0) cout << (n - 1) * ...
1
#include <bits/stdc++.h> using namespace std; long long hg[1000010], sg[1000010], h[1010], s[1010]; priority_queue<long long> qq; int main() { int m, n, k, p; cin >> n >> m >> k >> p; int i, j; memset(h, 0, sizeof(h)); memset(s, 0, sizeof(s)); for (i = 0; i < n; ++i) for (j = 0; j < m; ++j) { int ...
4