solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; int n, m, arr[500005], l[500005], r[500005], ord[500005], ans[500005], bit[500005]; map<int, int> mm; bool cmp(int x, int y) { return r[x] < r[y]; } int main() { scanf("%d %d", &n, &m); for (int i = 1; i <= n; i++) scanf("%d", &arr[i]); for (int i = 0; i < 500005;...
4
#define _USE_MATH_DEFINES #define INF 0x3f3f3f3f #include <cstdio> #include <iostream> #include <sstream> #include <cmath> #include <cstdlib> #include <algorithm> #include <queue> #include <stack> #include <limits> #include <map> #include <string> #include <cstring> #include <set> #include <deque> #include <bitset> #in...
0
#include <bits/stdc++.h> using namespace std; long long n, m, arr[110][110], brr[110]; set<int> ans; bool found = 0; void solve() { vector<pair<int, int>> temp; vector<int> tempans; for (int i = 0; i < n - 1; i++) { for (int j = 0; j < m; j++) { int k = arr[j][n - 1] - arr[j][i]; temp.push_back({k...
5
#include <bits/stdc++.h> using namespace std; const long long mod = 1e9 + 7; const int N = 1e5 + 4; const long long MOD = 998244353; stack<int> St; bool visited[N]; vector<int> conc[N]; vector<long long> edge[N]; vector<long long> depth(N); vector<long long> sub(N, 0); pair<long long, pair<long long, long long>> wt[N];...
4
#include <bits/stdc++.h> using namespace std; int main(void) { long long int n; cin >> n; vector<long long int> array(n); for (long long int i = 0; i < n; i++) cin >> array[i]; long long int count = 0, last_index = 0, last_num = array[0]; for (long long int i = 0; i < n; i++) { if (last_num != array[i])...
1
#include <bits/stdc++.h> using namespace std; int main() { int n; while (cin >> n) { int num[n]; for (int i = 0; i < n; ++i) scanf("%d", &num[i]); int vis[n]; int cnt = 0; bool ans = false; for (int i = 0; i < n; ++i) { cnt = 0; memset(vis, 0, sizeof(vis)); for (int j = 0; ...
2
#include <bits/stdc++.h> using namespace std; int n, data[1000], orig[1000]; vector<pair<int, int> > ans[1000], stat; bool up(int ind); bool isUsed[1000]; void print(int ind); bool increase(int &curVal, int i); int lastlen; int main(void) { cin >> n; for (int i = 0; i < n; i++) { cin >> orig[i]; data[i] = o...
3
#include <bits/stdc++.h> using namespace std; int main() { int n, m; scanf("%d%d", &n, &m); int mn = min(n, m); printf("%d\n", mn + 1); for (int i = 0; i <= mn; i++) { printf("%d %d\n", i, mn - i); } return 0; }
3
#include <bits/stdc++.h> using namespace std; bool f1(pair<long long, long long> x, pair<long long, long long> y) { return x.first > y.first; } bool f2(pair<long long, long long> x, pair<long long, long long> y) { return x.second > y.second; } bool f3(long long x, long long y) { return x > y; } long long gcd(long l...
1
#include <bits/stdc++.h> int main() { int i, j, n, g[25][25], k, find; bool mark[1001]; int a[25]; a[0] = a[1] = 0; k = 1; memset(mark, 0, sizeof(mark)); mark[0] = 1; for (i = 2; i <= 20; ++i) { find = 0; while (!find) { for (j = 1; j < i; ++j) { if (mark[a[j] + k]) break; ...
4
#include <bits/stdc++.h> using namespace std; void solve() { long long n, x, y; cin >> n >> x >> y; string s; cin >> s; long long ans = 0, a = 0, b = 0; reverse(s.begin(), s.end()); cerr << s << endl; for (long long i = 0; i < y; i++) { if (s[i] == '1') { ans++; } } cerr << ans; if (...
1
#include <bits/stdc++.h> using namespace std; int main() { char ch; set < char > s; for(int i=0;i<4;i++) { cin >> ch; s.insert(ch); } if(s.size()==2) cout << "Yes"; else cout << "No"; return 0; }
0
#include <bits/stdc++.h> using namespace std; const int MAXN = 64; const int inf = 1e9 + 5; const long double eps = 1e-8; const int Q = 1e9 + 7; long long countInv = 0; void mergeSort(vector<int> &a, long long l, long long r) { if (l == r) return; long long m = (l + r) / 2; mergeSort(a, l, m); mergeSort(a, m + ...
5
#include <bits/stdc++.h> using namespace std; int cx[] = {-1, 0, 0, 1, -1, -1, 1, 1, 0}, cy[] = {0, -1, 1, 0, -1, 1, 1, -1, 0}; int ingrid(int ii, int jj, int R, int C) { if (ii < 0 || jj < 0 || ii >= R || jj >= C) return 0; return 1; } int in[10]; int main() { int n; cin >> n; for (int i = 0; i < n; i++)...
2
#include <bits/stdc++.h> using namespace std; struct __s { __s() { srand(time(NULL)); if (1) { ios_base::Init i; cin.sync_with_stdio(0); cin.tie(0); } } ~__s() { if (!1) fprintf(stderr, "Execution time: %.3lf s.\n", (double)clock() / CLOCKS_PER_SEC); int n...
5
#include <bits/stdc++.h> int main() { int n, d, flag = 0; scanf("%d", &n); int ara[n], i, j, k; char str[n][101], stt[] = "aeiouy"; for (i = 0; i < n; i++) { scanf("%d", &ara[i]); } getchar(); for (i = 0; i < n; i++) { gets(str[i]); } for (i = 0; i < n; i++) { d = 0; for (j = 0; j < ...
2
#include <bits/stdc++.h> using namespace std; const int M = 1e9 + 7; vector<long long> dp(4, 0), a(4, 0); int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; dp[0] = 1; for (int i = 1; i <= n; i++) { a[0] = a[1] = a[2] = a[3] = 0; a[0] = 1ll * (dp[1] + dp[2] + dp[3]) % M; a[1]...
5
// // 円の接線 (円外の 1 点から円へ) // // verified: // AOJ Course CGL_7_F Circles - Tangent to a Circle // http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=CGL_7_F&lang=jp // #include <iostream> #include <vector> #include <cmath> #include <iomanip> #include <algorithm> using namespace std; //////////////////////...
0
#include <bits/stdc++.h> using namespace std; const int N = 1e5; int a[N]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; for (int i = int(0); i < int(n); i++) cin >> a[i]; sort(a, a + n); int h = 0, cnt = 0, mx = 0; long long total = 0; for (int i = int(0); i < int(n)...
2
#include<cstdio> int main() { int a, b; scanf("%d%d", &a, &b); if ((a * b) & 1) puts("Odd"); else puts("Even"); return 0; }
0
#include<iostream> #include<algorithm> #include<cstring> #include<cstdio> #include<bitset> #include<cmath> #include<ctime> #include<queue> #include<map> #include<set> #define int long long #define lowbit(x) (x&(-x)) #define mp(x,y) make_pair(x,y) #define lc (x<<1) #define rc (x<<1|1) #define fi first #define se second...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long c1, c2, c3, c4; cin >> c1 >> c2 >> c3 >> c4; if (c3 == 0 && c1 == c4) { cout << 1 << endl; return 0; } c1 -= 1; c4 -= 1; if (c1 >= 0 && c1 == c4) cout << 1 << endl; else ...
1
#include <bits/stdc++.h> using namespace std; long long i, j, r[100], l[100], n, x, cnt = 1, ans; int main() { cin >> n >> x; for (i = 1; i <= n; i++) { cin >> l[i] >> r[i]; ans += (l[i] - cnt) % x; ans += (r[i] - l[i] + 1); cnt = r[i] + 1; } cout << ans; return 0; }
1
#include <bits/stdc++.h> using namespace std; int main() { int n, m, d; cin >> n >> m >> d; int arr[n][m]; int arr1[n * m]; int flag = 1, median; int last = -1; int k = 0, ans = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> arr[i][j]; arr1[k] = arr[i][j]; k+...
2
#include <bits/stdc++.h> using namespace std; string s; long long N; void change() { for (int i = 0; i < s.size(); ++i) { if (s[i] == 'L') { s[i] = 'R'; } else { s[i] = 'L'; } } } bool good(int p) { int curr = 0, step = 0, ma = 0, cnt = 1; bool v = 0; for (int i = 0; i < N; ++i) { ...
5
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; int a[101010 * 3]; int b[101010 * 3]; int _rank[101010 * 3]; int n, m, k; int main() { memset(b, 0, sizeof(b)); scanf("%d", &n); for (int i = 0; i < 3 * n; ++i) { scanf("%d", &a[i]); _rank[a[i]] = i; } int len = 0; for (int i ...
4
#include <bits/stdc++.h> using namespace std; long long n; string s[100005]; long long t[100005]; vector<pair<string, string> > ans; set<string> S[2]; set<string> freeS[2]; set<string> wrong[2]; long long check(string &s) { for (auto c : s) { if (c < '0' || c > '9') return -1; } if (s.front() == '0') return -...
3
#include <bits/stdc++.h> using namespace std; int n; string queue_[6] = {"", "Sheldon", "Leonard", "Penny", "Rajesh", "Howard"}; int main() { cin >> n; double count = 1; bool used = false; while (count * 5 < n) { n -= count * 5; count *= 2; used = true; } int x = ceil(n / count); cout << queue...
1
#include <bits/stdc++.h> using namespace std; long long MOD = 1000000007; vector<long long> adj[1000005]; long long a[1000005]; long long val[1000005]; bool chan[1000005]; void dfs(long long n) { if (a[n] < 3) { dfs(adj[n][0]); dfs(adj[n][1]); long long v1 = val[adj[n][0]]; long long v2 = val[adj[n][1...
4
#include <iostream> using namespace std; int main(){ unsigned h,w,x,y,t; cin>>h>>w; for(y=0; y<h; ++y){ for(x=0; x<w; ++x){ cin>>t; if((x^y)&1) cout<<"720720 "; else cout<<720720+t*t*t*t<<' '; } cout<<'\n'; } return 0; }
4
#include <bits/stdc++.h> using namespace std; long long n, a[100005], it[100005][100], it2[100005][100], sum[100005], it3[1000]; void buil() { for (long long i = (1); i <= (n); ++i) it[i][0] = a[i]; for (long long k = 1; (1ll << k) <= n; k++) for (long long i = 1; i + (1ll << k) - 1 <= n; i++) it[i][k...
4
#include "stdio.h" #include "math.h" #include <algorithm> using namespace std; #define SUQARE_SIZE 100000 int block[SUQARE_SIZE]; int blockSize; int n; void updateArr(int arr[],int left,int num){ for(int i = left;i < left + blockSize;++i){ if(i >= n){ break; } arr[i] = num; ...
0
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int a, b; cin >> a >> b; cout << (a ^ b) << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; const int mod = 998244353; int n, m, t, c[1001], first[500], last[500]; long long dp[1000][1000]; long long f(int l, int r) { if (l > r) return 1; if (dp[l][r] != -1) return dp[l][r]; int col = n; for (int i = l; i <= r; i++) col = min(col, c[i]); if (first[col] <...
6
#include <bits/stdc++.h> int main() { int t, n; std::cin >> t; for (int i = 0; i < t; ++i) { std::cin >> n; std::vector<int> v(n); for (int j = 0; j < n; ++j) { std::cin >> v[j]; } std::sort(v.begin(), v.end(), std::greater<int>()); for (int k : v) { std::cout << k << " "; ...
2
#include <bits/stdc++.h> using namespace std; int n, maximum; int v[200005]; stack<int> st; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n; for (int i = 1; i <= n; ++i) { cin >> v[i]; maximum = max(maximum, v[i]); } for (int i = 1; i <= n; ++i) { if (v[i] == maximu...
4
#include <bits/stdc++.h> using namespace std; int main() { int m, n; int connect[30][30]; int a, b; memset(connect, 0, sizeof connect); cin >> n >> m; for (int i = 0; i < m; i++) { cin >> a >> b; connect[a][b] = 1; connect[b][a] = 1; } if (n <= 6) printf("%d\n", m); else { int ans ...
1
#include<bits/stdc++.h> using namespace std; int main(){ string s,s1,s2; cin>>s; s1=s.substr(0,2),s2=s.substr(2,4); bool b1="01"<=s1&&s1<="12",b2="01"<=s2&&s2<="12"; cout<<(b1?b2?"AMBIGUOUS":"MMYY":b2?"YYMM":"NA")<<endl; }
0
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:32000000") #pragma GCC optimize("O3") using namespace std; int n, m; int arr[4][128]; int dp[128][16]; int mx(int id, int mask) { int MX = 0; for (int i = 0; i < n; i++) { int sum = 0; for (int j = 0; j < n; j++) { if (mask & (1 << j)) { ...
5
#include <bits/stdc++.h> using namespace std; int main() { long long n, p, w, d; cin >> n >> p >> w >> d; if (p % w == 0 && n >= p / w) { cout << p / w << " " << 0 << " " << n - p / w; return 0; } if (p % d == 0 && n >= p / d) { cout << 0 << " " << p / d << " " << n - p / d; return 0; } if...
3
#include <iostream> #include <vector> using namespace std; int main(void){ while (1) { int n; cin >> n; if (!n) break; vector<char> v1, v2; for (int i = 0; i < n; i++) { char c; cin >> c; v1.push_back(c); cin >> c; v2.push_back(c); } int m; cin >> m; for (int i = 0; i < m; i++) { char b; ...
0
#include <iostream> #include <sstream> #include <algorithm> #include <string> #include <map> #define all(x) (x).begin(), (x).end() #define mkp make_pair #define fr first #define sc second using namespace std; int N; void solve(); int main() { while (cin >> N, N) solve(); return 0; } void solve() { istringst...
0
#include <bits/stdc++.h> using namespace std; std::mt19937_64 rng( std::chrono::steady_clock::now().time_since_epoch().count()); void solve() { int t; cin >> t; while (t--) { int a, b; cin >> a >> b; int c = abs(a - b); int d = c / 10; if (c % 10 == 0) { cout << d << "\n"; } else...
1
#include <bits/stdc++.h> using namespace std; const int N = 10000, G = 1000, INF = 0x3f3f3f3f; int xx[N], qu[G + 1][N], cnt[G + 1]; bool used[G + 1][N]; int main() { int x_, n; cin >> x_ >> n; for (int i = 0; i < n; i++) cin >> xx[i]; int g, r; cin >> g >> r; sort(xx, xx + n); used[0][0] = true, qu[0][cnt...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 4005; const int MAXK = 4005; const int MAXT = 86400; int n, k; int dp[2][MAXK]; inline int getEndTime(int right, int a, int b) { return max(right, a) + b; } int main() { int a, b; while (~scanf("%d%d", &n, &k)) { if (n == k) { printf("%d\n", M...
5
#include <bits/stdc++.h> using namespace std; const int MAX = 2002; int n, l[MAX], r[MAX]; string a, b; int solve(int d) { int last = n-1; while(!(b[last] - '0')) --last; for(int i = 0; i < n; i++) { if(b[i]-'0') last = i; l[i] = min(d, -((i+n-last) % n)); } last = 0; while(!(b[last] - '0')) ++last; for(in...
0
#include <bits/stdc++.h> using namespace std; const int INF = 1e8; int main(){ int Q; cin >> Q; for(int query = 0; query<Q; query++){ string S, T; cin >> S >> T; //dp[i][j]: S[i],T[j]まででの最長共通部分列 vector<vector<int>> dp(1010, vector<int>(1010, 0)); for(int i=0; i<S.length(); i++){ for(...
0
#include <bits/stdc++.h> using namespace std; string s,ans; int n,num,now; int csize[10]={0,5,3,3,3,3,3,4,3,4}; char btn[10][5]={ {'-','-','-','-','-'}, {'.',',','!','?',' '}, {'a','b','c','-','-'}, {'d','e','f','-','-'}, {'g','h','i','-','-'}, {'j','k','l','-','-'}, {'m','n','o','-','-'}, {'p','q','r'...
0
#include <bits/stdc++.h> using namespace std; bool isprime(int n) { if (n < 2) return false; for (int i = 2; i * i <= n; i++) if (n % i == 0) return false; return true; } int main() { int n; cin >> n; if (isprime(n)) cout << "1" << endl; else if (n % 2 == 0) cout << "2" << endl; else if (isp...
2
#include <bits/stdc++.h> using namespace std; long long p[1000100], h[1000100], g[1000100], ans; int main() { int m, n, x, y; cin >> n >> m; for (int i = 0; i <= n; i++) p[i] = (i ? p[i - 1] * 7 : 1); while (m--) { scanf("%d%d", &x, &y); h[x] += p[y]; h[y] += p[x]; } for (int i = 1; i <= n; i++)...
3
#include <bits/stdc++.h> using namespace std; signed main() { string s; cin >> s; long long n = s.size(); vector<vector<long long> > p(4, vector<long long>(4, 0)); for (long long i = 0; i < n; ++i) { if (s[i] == '0') { if (p[2][0] == 0) { cout << "3 1\n"; p[2][0] = 1; } else { ...
1
#include <bits/stdc++.h> using namespace std; long long T, n, ans, am, bm; long long al[120], bl[120]; long long ad[120], bd[120]; int main() { cin >> T; while (T) { T--; cin >> n; ans = 0; am = 1e13 + 20, bm = 1e13 + 20; for (int i = 1; i <= n; i++) { cin >> al[i]; am = min(am, al[i...
2
#include <bits/stdc++.h> using namespace std; long long a1, a2, b1, b2, c1, c2; long long flag = 0; long long check(long long x, long long y) { x -= b1, y -= b2; long long dis = c1 * c1 + c2 * c2; if (!dis) return !x && !y; return !((c1 * x + c2 * y) % dis) && !((c1 * y - c2 * x) % dis); } signed main() { cin...
3
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int k, n = s.length(); cin >> k; string a[k]; for (int i = 0; i < k; i++) { cin >> a[i]; } int ans = 0; for (int i = 0; i < k; i++) { int temp = 0, temp1 = 0; for (int j = 0; j < n; j++) { if (s[j] == a[i]...
1
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using str = string; using pi = pair<int, int>; using pl = pair<ll, ll>; using pd = pair<ld, ld>; using vi = vector<int>; using vb = vector<bool>; using vl = vector<ll>; using vd = vector<ld>; using vs = vector<str>; using vpi = ...
1
#include <bits/stdc++.h> using namespace std; const long long INF = 1e18; const long long mod = 1e9 + 7; const int N = 1e6 + 10; bool present[2010]; bool vis[2010]; queue<pair<int, int> > q; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); int n, k; cin >> n >> k; memset(vis, 0, sizeof(vi...
3
#include <cstdio> #include <cstring> #include <cstdlib> #include <algorithm> #include <queue> using namespace std; #define NODE (128) #define INF (1 << 30) #define SHOP (6) int cost[NODE][NODE]; int v[1 << (SHOP)][NODE]; int V; int m, n, k, d; int cake[SHOP]; typedef struct{ int pos, val, bit; } State; bool opera...
0
#include <bits/stdc++.h> using namespace std; struct range_t { int rmin, rmax; range_t() {} range_t(int rmin, int rmax) : rmin(rmin), rmax(rmax) {} inline int size() { return rmax - rmin + 1; } }; struct edge_t { int from, to; range_t range; edge_t() {} edge_t(int from, int to, range_t range) : from(fro...
4
#include <bits/stdc++.h> using namespace std; vector<int> min_factor(1010); void seive() { for (int i = 1; i <= 1005; i++) min_factor[i] = i; for (int i = 2; i * i <= 1005; i++) { if (min_factor[i] != i) continue; for (int j = i * i; j < 1005; j += i) { min_factor[j] = i; } } } int main() { lo...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); ; long long h, w, i, j, p = 0; cin >> h >> w; char s[h][w]; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { cin >> s[i][j]; if (s[i][j] == '*') { p++; } ...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); int n, r = 0; cin >> n; for (int i = 0; i < n; i++) { char c; cin >> c; if (c == '(') { r++; cout << r % 2; } else { cout << r % 2; r--; } } return 0; }
4
#include <bits/stdc++.h> using namespace std; int ans; int main() { int a[101010]; int b, c; cin >> b >> c; for (int i = 1; i <= b; ++i) { cin >> a[i]; } for (int i = 1; i <= b; ++i) { if (a[i] > c) ans += 2; else if (a[i] <= c) ans++; } cout << ans; return 0; }
1
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 200; const int mod = 1e9 + 7; int n, m, s, k, a[N]; int l[N], r[N]; int sum[N]; vector<int> g[1505]; int dp[1505][1505]; vector<pair<int, int> > f[1505]; inline int check(int x) { for (int i = 1; i <= n; ++i) sum[i] = sum[i - 1] + (a[i] <= x); for (i...
5
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long t; cin >> t; while (t--) { long long n; cin >> n; long long arr[n]; for (long long i = 0; i < n; ++i) cin >> arr[i]; long long max_index = 0, digi_add = a...
1
#include <bits/stdc++.h> using namespace std; int cnt = 0; long long read() { long long f = 1, x = 0; char ss = getchar(); while (ss < '0' || ss > '9') { if (ss == '-') f = -1; ss = getchar(); } while (ss >= '0' && ss <= '9') { x = x * 10 + ss - '0'; ss = getchar(); } return f * x; } long ...
5
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string a; cin >> a; bool flag; string poke[8] = {"vaporeon", "jolteon", "flareon", "espeon", "umbreon", "leafeon", "glaceon", "sylveon"}; for (int j = 0; j < 8; j++) { if (poke[j].size() == n) { flag...
1
#include<stdio.h> #include <map> int main(){ int n,a,s,t,w,i; for(;scanf("%d",&n),n;puts(!a?"Yes":"No")){ w=a=0; std::multimap<int,int> m; for(i=n;i--;m.insert(std::pair<int,int>(s,t))) scanf("%d%d",&t,&s); for(std::multimap<int,int>::iterator i=m.begin();i!=m.end();++i){ w+=i->second; i->firs...
0
#include <bits/stdc++.h> using namespace std; int main() { int q; cin >> q; for (int i = 0; i < q; i++) { long long l, r, sum; cin >> l >> r; if (l == r) sum = l * pow(-1, l); else { if (l == 1) { sum = (r * pow(-1, r + 2) - (r + 1) * pow(-1, r + 1) + -1) / 4; } else { ...
2
#include <bits/stdc++.h> using namespace std; const int MAXN = 20; int H, W; char board[MAXN][MAXN + 1]; void init() { scanf("%d%d", &H, &W); for (int i = 0; i < H; ++i) { scanf(" %s ", board[i]); } } int grundy[2 * MAXN + 1][2 * MAXN + 1][2 * MAXN + 1][2 * MAXN + 1][2]; bool visited[2 * MAXN + 1][2 * MAXN + ...
4
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n; cin >> k; int l, r; int x = 0; for (int i = 1; i <= n; i++) { cin >> l >> r; x = x + (r - l + 1); } int m; m = x % k; int moves; if (m == 0) moves = 0; else moves = k - m; cout << moves << endl; re...
1
#include <bits/stdc++.h> using namespace std; const int S = 1500; struct bigint { char d[S]; bigint() { memset(d, 0, sizeof(d)); } void normalize() { int r = 0; for (int i = 0; i < S; ++i) { d[i] += r; r = d[i] / 10; d[i] %= 10; } } void output() { int first = 0; for (int...
4
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const double eps = 1e-9; const long long INF = 0x3f3f3f3f3f3f3f3fll; const int inf = 0x3f3f3f3f; inline int read() { int ret = 0, sgn = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') sgn = -1; ch = getchar(); }...
2
#include <bits/stdc++.h> using namespace std; int n, m, MOD = 1000000007, a[100001], q1[100001], q2[100001], fail[100001], found[100001]; string s, t; void kmp() { int i, j, k; j = fail[0] = -1; for (i = 1; i <= m; i++) { while (j >= 0 and t[j] != t[i - 1]) j = fail[j]; fail[i] = j + 1; j++;...
4
#include <bits/stdc++.h> using namespace std; int main(int argc, char *argv[]) { string d; cin >> d; bool f = true; for (int i = 0; i < d.size(); i++) { if (d[i] == '0') { d.erase(i, 1); f = false; break; } } if (f) { d.erase(0, 1); } cout << d << endl; return EXIT_SUCCES...
3
// 基本テンプレート #include <iostream> #include <iomanip> #include <cstdio> #include <string> #include <cstring> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <utility> #include <algorithm> #include <map> #include <set> #include <complex> #include <cmath> #include <limits> #in...
0
#include<iostream> using namespace std; int main() { int h, r; cin >> h >> r; if( h + r == 0 ) cout << 0 << endl; else if( h + r > 0 ) cout << 1 << endl; else cout << -1 << endl; return 0; }
0
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; const int N = 150005; string str; int solve(int l, int r, char t) { if (l >= r) return str[l] != t; int mid = l + r >> 1; int res = 0; int res1 = solve(l, mid, (char)(t + 1)); int res2 = solve(mid + 1, r, (char)(t + 1)); int cnt = 0; ...
4
#include <bits/stdc++.h> using namespace std; int N; struct Node { int a, len, l, r; Node(int a = 0, int len = 0, int l = 0, int r = 0) : a(a), len(len), l(l), r(r) {} bool operator<(const Node& n1) const { return a < n1.a; } } n[305]; int c[305]; int dp[305][305]; int main() { cin >> N; int top = 0; ...
5
#include <bits/stdc++.h> using namespace std; int main(){ string S; cin >> S; for(int i = 0; i < S.size(); i++){ if((i % 2 == 0 && S[i] == 'L') || (i % 2 == 1 && S[i] == 'R')){ printf("No\n"); return 0; } } printf("Yes\n"); return 0; }
0
#include <bits/stdc++.h> using namespace std; int parition(vector<pair<int, int>> &song_size, int low, int high) { int pivot = song_size[high].first - song_size[high].second; int i = low - 1; for (int j = low; j <= high - 1; j++) { if (song_size[j].first - song_size[j].second > song_size[high].first -...
3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); int N; cin >> N; int A, cnt = 0; while (cin >> A) if (A % 2) cnt++; cout << (!(cnt % 2) ? "YES" : "NO") << "\n"; }
0
#include <bits/stdc++.h> using namespace std; int main(){ #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif int t; cin >> t; while(t--){ int n; cin >> n; int a[n]; for(int i=0;i<n;i++){ cin >> a[i]; } sort(a,a+n); int ls=a[n-1]; int temp,count=0,max...
2
#include <bits/stdc++.h> using namespace std; const long long mod = 998244353; const vector<int> vec(3, -1); vector<vector<int>> trie(1, vec); vector<int> cnt(1, 0); void add() { string s; cin >> s; int v = 0, n = s.size(); for (int i = 0; i < n; i++) { int c = s[i] - 'a'; if (trie[v][c] == -1) { ...
3
#include <bits/stdc++.h> using namespace std; int main() { int n, count_of_0 = 0, idx1 = 1, idx2 = 1; cin >> n; vector<int> bal(n + 1, 0); vector<int> balance(n + 1); vector<int> prefix_count_1(n + 1, 0); vector<int> prefix_count_2(n + 1, 0); vector<int> vector_of_1; vector<int> vector_of_0 = {0}; int...
2
#include <bits/stdc++.h> using namespace std; long long M = 1e9 + 7; const long long N = 3e3 + 7; vector<long long> ad[N]; long long n, m; long long a[N]; long long dp[N][N]; long long f[N][N]; long long g[N], t[N], sz[N]; void get(long long v, long long p) { sz[v] = 1; f[v][1] = a[v]; for (auto u : ad[v]) if...
4
#include<bits/stdc++.h> using namespace std; bool parse_string(string cur){ int L = 0 ,R = cur.length()-1; int ptr = cur.length()-1; while(L<R){ char alphabet = ('a'+(ptr--)); //bacout<<alphabet<<endl; if(alphabet==cur[R])R--; else if(alphabet==cur[L])L++; else return false...
2
#include <bits/stdc++.h> using namespace std; int main() { int n,x,t; cin>>n>>x>>t; n = ceil(n/double(x)); cout << n*t; return 0; }
0
#include <bits/stdc++.h> 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 = getchar(); if (f) x = -x; return x; } template <class t> inline void wr...
6
#include<bits/stdc++.h> #define N 100 #define M 26 using namespace std; string s; int p,len; string bnf(bool rev){ string res; int cnt=0; while(p!=len){ if(s[p]=='+')p++,cnt++; if(s[p]=='-')p++,cnt--; if('A'<=s[p]&&s[p]<='Z') res+=((s[p++]+cnt+M*N)-'A')%M+'A',cnt=0; if(s[p]=='?')res+=s[p++...
0
#include <bits/stdc++.h> using namespace std; bool isprime(long long n) { if (n == 2) return true; if (n < 2 || n % 2 == 0) return false; for (int i = 3; i * i <= n; i++) { if (n % i == 0) { return false; } } return true; } void fast() { std::ios_base::sync_with_stdio(0); cin.tie(0); cout....
1
#include<iostream> #include<cstdio> #include<cstdlib> using namespace std; long long n; int ans; int main() { scanf("%lld",&n); n++; while(n>=10) { ans+=9; n/=10; } ans+=n-1; printf("%d",ans); return 0; }
0
#include <bits/stdc++.h> using namespace std; template <class T> inline void smax(T &x, T y) { x = max((x), (y)); } template <class T> inline void smin(T &x, T y) { x = min((x), (y)); } inline void sc(long long &x) { cin >> x; } void sc(char &x) { scanf("%c", &x); } void sc(long long &x, long long &y) { sc(x); ...
3
#include <bits/stdc++.h> using namespace std; const int N = 2005; char a[N][N]; int T, n, m, id[N][N]; int head[N * N], ver[N * N << 1], Next[N * N << 1], tot; int deg[N * N], dp[N * N]; pair<int, int> sta[N * N]; queue<int> q; inline void add(int x, int y) { deg[y]++; ver[++tot] = y; Next[tot] = head[x]; head[...
6
#include <bits/stdc++.h> using namespace std; const int M = 1e9 + 7; long long mod(long long x) { return ((x % M + M) % M); } long long add(long long a, long long b) { return mod(mod(a) + mod(b)); } long long mul(long long a, long long b) { return mod(mod(a) * mod(b)); } long long modPow(long long a, long long b) { i...
2
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); } long long mcm(long long a, long long b) { return (a * b) / gcd(a, b); } bool comp(long long a, long long b) { return a > b; } void solve() { int n; cin >> n; vector<int> a(n); vector<int>...
2
#include <bits/stdc++.h> using namespace std; struct Matrix { int a[6][6]; int* operator[](int x) { return a[x]; } } m[800005]; int n, q, a[200005]; Matrix init(int x) { Matrix ans; for (int i = 1; i <= 5; i++) for (int j = 1; j <= 5; j++) ans[i][j] = 1000000000; for (int i = 1; i <= 5; i++) ans[i][i] = 0...
5
#include<iostream> #include<cstdio> #include<cmath> #include<algorithm> #define lengthof(x) (sizeof(x) / sizeof(*(x))) using namespace std; int w,h; char inpMap[51][51]={'0'},ctemp; const int dx[4]={0,0,1,-1},dy[4]={1,-1,0,0}; void dfs(int y,int x,char moji){ for(int i=0;i<4;i++){ int nx=x+dx[i]; int ny=y+d...
0
#include <bits/stdc++.h> using namespace std; int read() { int n = 0; bool b = 0; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') b = 1; c = getchar(); } while (c >= '0' && c <= '9') { n = (n << 1) + (n << 3) + (c ^ 48); c = getchar(); } return b ? -n : n; } const int N = ...
5
#include <bits/stdc++.h> using namespace std; using std::cin; using std::cout; long long MOD = 998244353; int main() { long long x; cin >> x; long long m = 1000000; vector<pair<long long, long long> > sets; for (long long i = 1; i < 2000005; i++) { long long s = 6 * x + i * i * i - i; m = (3 * i + 3) ...
4
#include <bits/stdc++.h> using namespace std; using uint = unsigned int; using ll = long long; using ld = long double; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { ...
6