source_code
stringlengths
26
62k
lang_cluster
stringclasses
11 values
src_uid
stringlengths
32
32
code_uid
stringlengths
32
32
difficulty
int32
-1
3.5k
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stringclasses
1 value
//#pragma GCC optimize("Ofast") //#pragma GCC optimize ("unroll-loops") //#pragma GCC target("avx,avx2,fma") #include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define mod 1000000007 #define fi first #define se second #define pii pair<int,int>...
C++
cb47d710361979de0f975cc34fc22c7a
263cefe7893996fdfcdf120cfb35f1e7
1,700
PASSED
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t=1; //cin>>t; while(t--) { double n; double sum=0; cin>>n; //ll a[n]; while(n) { sum = sum + 1/n; n--; } co...
C++
260666df22ee510fcce3ebdfbb8b71a2
dce60b7b46499a4dd7399d2c91066279
1,000
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int n; double sum=0; scanf("%d",&n); for(int i=1;i<=n;i++) sum+=(double)1/(double)i; printf("%llf",sum); return 0; }
C++
260666df22ee510fcce3ebdfbb8b71a2
63132d4d39bbc4ce8a31fd03bd9f25c3
1,000
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int a; double s=0; cin>>a; for(int i=1;i<=a;i++) s+=(double)(1*1.0/i); cout<<fixed<<setprecision(6)<<s<<endl; return 0; }
C++
260666df22ee510fcce3ebdfbb8b71a2
196d22f714340b33b150bd452ba08406
1,000
PASSED
// // main.cpp // poj // // Created by Marvin on 12/28/19. // Copyright © 2019 TBD. All rights reserved. // #include <iostream> #include <vector> #include <algorithm> #include <set> #include <cstring> #include <stdio.h> #include <fstream> #include <string> #include <map> #include <math.h> #include <stdlib.h> #def...
C++
260666df22ee510fcce3ebdfbb8b71a2
8b7443c168a4a56fb3b802619699cb6e
1,000
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; double sum=0.0; while(n>0){ sum+=1.0/n; n--; } cout<<sum; }
C++
260666df22ee510fcce3ebdfbb8b71a2
1a2707bf936356343b21c6fb5d70c721
1,000
PASSED
#include <bits/stdc++.h> using namespace std; #define For(i, j, n) for (int i = j; i < (int)n; ++i) #define ll long long #define ull unsigned long long ll mod = 1e9 + 7; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; double ans = 1.0; vector<pai...
C++
260666df22ee510fcce3ebdfbb8b71a2
ffcff544632dc0fb8e29fbbce184961a
1,000
PASSED
#include <bits/stdc++.h> using namespace std; int main() { int t; t=1; while(t--) { long long n; cin>>n; double a=0; for(int i=1;i<=n;i++) { a+=1.0/i; } cout<<fixed<<setprecision(12)<<a<< endl; } return 0; }
C++
260666df22ee510fcce3ebdfbb8b71a2
dabd2837e1aad64d9f16e4591646e06b
1,000
PASSED
#include <bits/stdc++.h> using namespace std; int main() { int t; t=1; while(t--) { long long n; cin>>n; double a=0; for(int i=1;i<=n;i++) { a+=1.0/i; } cout<<a<< endl; } return 0; }
C++
260666df22ee510fcce3ebdfbb8b71a2
9ce0c03472524ebb8cce0e8e6ebdce27
1,000
PASSED
#include<iostream> #include<map> #include<stdio.h> using namespace std; int main() { int n,t=1,s; cin>>n; double sum=0.0; while(n > 0) { sum += t/(float)n; n--; } printf("%f",sum); }
C++
260666df22ee510fcce3ebdfbb8b71a2
da1bbb843288d81bb473b7c74a152b99
1,000
PASSED
#include <bits/stdc++.h> using namespace std; #define STORPA ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define ll long long int main(){ STORPA; int n; cin >> n; double ans=0; for(int i=n; i>=1; i--){ ans+=1.0/i; } cout << fixed << setprecision(12) << ans; }
C++
260666df22ee510fcce3ebdfbb8b71a2
ca86d7771d734cdc76539a5fdc352a83
1,000
PASSED
#include <bits/stdc++.h> using namespace std; #define Int register int #define INF 0x7f7f7f7f7f #define int long long #define MAXN 2005 int n,k; int dp[MAXN],val[MAXN]; int Abs (int x){return x >= 0 ? x : -x;} bool check (int mid) { for (Int i = 1;i <= n;++ i) dp[i] = i - 1; for (Int i = 1;i <= n;++ i) for (Int...
C++
544dd0c7274ac337744b8ba0996add1d
42561030ca67b70e7da1cbfb417c52fc
2,000
PASSED
#include<bits/stdc++.h> #define For(i,a,b) for(int i=(a);i<=(b);++i) #define Rof(i,a,b) for(int i=(a);i>=(b);--i) #define LL long long using namespace std; int N,K;LL F[2001],A[2001]; bool Check(int Pos){ LL Max=1;For(i,1,N) F[i]=1; //³õÖµÒª¶¨ºÃ,»¹ÓÐÒòΪÏÂÃæif¿ÉÄÜÒ»´Î¶¼½ø²»È¥,ËùÒÔMaxÒ»¿ªÊ¼ÒªÊÇ1 For(i,2,N)For(j,1,i-1...
C++
544dd0c7274ac337744b8ba0996add1d
6e182147e3aa1493adbdea573527408f
2,000
PASSED
#include<bits/stdc++.h> #define M 2005 using namespace std; long long n,m,a[M],f[M]; bool check(long long x) { register long long i,j; for(i=1;i<=n;i++)f[i]=i-1; for(i=1;i<=n;i++) { for(j=1;j<i;j++) { if(abs(a[i]-a[j])<=(i-j)*x)f[i]=min(f[i],f[j]+i-j-1); } } for(i=1;i<=n;i++)if(f[i]+n-i<=m)return 1; ret...
C++
544dd0c7274ac337744b8ba0996add1d
e3d498795972bf8496adbae22878663e
2,000
PASSED
#include <cstdio> #include <cmath> #include <algorithm> using namespace std; typedef long long LL; const int MAXN = 2e3 + 5; LL a[MAXN], dp[MAXN], n, m; bool check(LL x) { for(int i = 2; i <= n; ++i) { dp[i] = i - 1; } for(int i = 1; i <= n; ++i) { for(int j = 1; j < i; ++j) { if(abs(a[i] - a[j]) <= (i - j...
C++
544dd0c7274ac337744b8ba0996add1d
068955c543a37d13f99a14aa4e807e81
2,000
PASSED
#include <cstdio> #include <cmath> #include <iostream> using namespace std; const int N = 1e9; int a[2005], f[2005]; int n, ans; inline bool check(long long x) { for(register int i = 1; i <= n; i++) { f[i] = i - 1; for(register int j = 1; j < i; j++) if(abs(a[i] - a[j]) <= (i - j) * x) f[i] = min(f[i], ...
C++
544dd0c7274ac337744b8ba0996add1d
f3e1553357aa8be7237e14d1f7e7e570
2,000
PASSED
#include<cstdio> #include<cmath> #include<algorithm> #define inf 1000000000 #define ll long long using namespace std; inline ll read() { ll 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();} return x*f; } int n,K; int a...
C++
544dd0c7274ac337744b8ba0996add1d
92bf7e1c7dcc71765bade904e351b652
2,000
PASSED
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 2020; const int inf = 0x3f3f3f3f; int v[N]; int dp[N][2]; int n; ll c; // a x y b // a (a+c) (a+c+c) (a+c+c+c) int go(int i, int s) { if (i == n) return 0; int& ans = dp[i][s]; if (ans != -1) return ans; ans = inf; if (s == 0) {...
C++
544dd0c7274ac337744b8ba0996add1d
f47a2c190357267402b5cfb215830117
2,000
PASSED
#include <bits/stdc++.h> using namespace std; int n, k, a[2001], dp[2001]; bool check(int c) { int res = INT_MAX; for(int i = 1; i <= n; i++) { dp[i] = i-1; for(int j = 1; j < i; j++) if(abs(a[i]-a[j]) <= 1ll*c*(i-j)) dp[i] = min(dp[j] + i-j-1, dp[i]); res = min(dp[i] + n-i, res); ...
C++
544dd0c7274ac337744b8ba0996add1d
4044d39590e1c1be99485f035bf84cac
2,000
PASSED
#include <bits/stdc++.h> using namespace std; int n, k, a[2001], dp[2001]; bool check(int c) { int res = INT_MAX; for(int i = 1; i <= n; i++) { dp[i] = i-1; for(int j = 1; j < i; j++) if(abs(a[i]-a[j]) <= 1ll*c*(i-j)) dp[i] = min(dp[j] + i-j-1, dp[i]); res = min(dp[i] + n-i, res); ...
C++
544dd0c7274ac337744b8ba0996add1d
09762dcb611f9be5e72b920f879f0f55
2,000
PASSED
#include<iostream> #include<string> #include<vector> #include<algorithm> #include<map> #include<set> #include<queue> #include<cstdio> #include<functional> using namespace std; typedef long long inl; inl n, k; inl m; const inl inf = 1e9; vector<inl> a; bool check() { vector<inl> dp(n); for (int i = 0; i < n; i++) ...
C++
544dd0c7274ac337744b8ba0996add1d
619252d287bc3df580a891f1a668170a
2,000
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long lint; lint v[100001]; lint mod[101]; lint euler(lint nr) { lint rez = nr; lint p = 0; lint d = 2; while((nr & 1) == 0) { nr >>= 1; p ++; } if(p != 0) { rez /= d; rez *= (d - 1); } ...
C++
a0038cd4698c649cf95759d744854cfc
00174ab0a83caa579b3fd035a6332136
2,700
PASSED
//while (clock()<=69*CLOCKS_PER_SEC) #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; #define FOR(i,a,b) for(register ll i=(a),____u=(b);i<=____u;++i) #define DEP(i,a,b) for(register ll i=(a),____u=(b);i>=____u;--i) ...
C++
a0038cd4698c649cf95759d744854cfc
58aac71197f7aac071464c99889f32bb
2,700
PASSED
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<cmath> #include<queue> #include<stack> #define rep(i,l,r) for(ll i=l;i<=r;++i) #define rpe(i,r,l) for(ll i=r;i>=l;--i) #define rpp(i,x,e,head) for(ll i=head[x];~i;i=e[i].next) #define dyes cerr<<"yes"<<endl #define pts puts("") #define d...
C++
a0038cd4698c649cf95759d744854cfc
575c306324700c48bbe9b3c13d34ce0a
2,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef int I; typedef long long int LL; typedef double D; typedef long double LD; typedef pair<I,I> PII; typedef pair<LL,LL> PLL; typedef pair<LL,I> PLI; typedef pair<D,I> PDI; typedef vector<I> VI; typedef vector<LL> VLL; typedef vector<D> VD; typedef vector<LD> VLD; ...
C++
a0038cd4698c649cf95759d744854cfc
cc5bc10ba6b10bede9d1c99e292ea4ee
2,700
PASSED
using namespace std; #include<bits/stdc++.h> #define st first #define nd second #define FORE(i,a,b) for(int i=(a),b_=(b);i<=b_;++i) #define FORD(i,a,b) for(int i=(a),b_=(b);i>=b_;--i) #define TR(c, it) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); it++) const int MAXN = 1e5 + 5 ; int w[MAXN] ; map <int , in...
C++
a0038cd4698c649cf95759d744854cfc
96ffe75fcc8c48fcf6c859fa85428a3a
2,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; int N, nT, t[1<<17], w[1<<17], Q; int l, r; ll mul(ll a, ll b, ll m) { return a*b >= m ? a*b%m + m : a*b; } ll mpow(ll b, ll exp, ll m) { ll r = 1; while (exp) { if (exp & 1) r = mul(r,b,m); b = mul(b,b,m); exp /= 2; } return r; } int ph...
C++
a0038cd4698c649cf95759d744854cfc
a0d47fbb8e3a127141d85048eac63255
2,700
PASSED
#include <bits/stdc++.h> #define SQ(a) (a)*(a) #define F0R(i, a) for(int i = 0; i < (a); i++) #define FOR(i, a, b) for(int i = (a); i < (b); i++) #define R0F(i, a) for(int i = (a) - 1; i >= 0; i--) #define ROF(i, a, b) for(int i = (b) - 1; i >= (a); i--) #define rand31() ((rand() << 16) | (rand() << 1) | (rand() & 1...
C++
a0038cd4698c649cf95759d744854cfc
765f062648c81974aa4a8cb72090db91
2,700
PASSED
#include <bits/stdc++.h> #define rep(i,s,t) for(ll i=s;i<=(t);++i) #define mod(a,b) (a<b?a:(a%b+b)) using namespace std; #define Pr(f,...) //printf(f,##__VA_ARGS__),fflush(stdout); typedef long long ll; const int N=1e5+50,M=105; ll n,m,q,w[N],pn,ps[M]; ll phi(ll x){ ll res=1; for(ll i=2;i*i<=x;++i)if(x%i==0){ ...
C++
a0038cd4698c649cf95759d744854cfc
506bba738d4bc9a9517182e40763c71f
2,700
PASSED
#include <bits/stdc++.h> #define mp make_pair #define rep(i,b,e)for(int i=(b);i<(e);i++) #define repd(i,b,e)for(int i=(b);i>=(e);i--) #define each(a,x)for(auto&a:(x)) #define all(x)(x).begin(),(x).end() #define sz(x)int((x).size()) #define TM template<class T,class U=int,class...V> #define DF(t,...)TM auto operator<<(...
C++
a0038cd4698c649cf95759d744854cfc
fc1a2627f4ffe2a17ab92bf818835335
2,700
PASSED
#include<bits/stdc++.h> using namespace std; #define maxn 100110 #define ll long long int euler(int n) { int ans=n; for(int i=2;i*i<=n;++i) { if(n%i==0) { ans-=ans/i; while(n%i==0) n/=i; } } if(n>1) ans-=ans/n; return ans; } int eu[...
C++
a0038cd4698c649cf95759d744854cfc
f7fcffa052b0b0baea19796322de9af5
2,700
PASSED
// practice with kaiboy import java.io.*; import java.util.*; public class CF907A extends PrintWriter { CF907A() { super(System.out, true); } Scanner sc = new Scanner(System.in); public static void main(String[] $) { CF907A o = new CF907A(); o.main(); o.flush(); } void main() { int a = sc.nextInt(); int b ...
Java
56535017d012fdfcc13695dfd5b33084
0c030e8618ef2e4b898a7cf3a3c0a1d5
1,300
PASSED
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.util.InputMismatchException; import java.io.InputStreamReader; import java.io.BufferedOutputStream; import java.util.StringTokenizer; import java.io.Closeable; import...
Java
56535017d012fdfcc13695dfd5b33084
99dc2d0ffae34b62a675ee4ddfd1450e
1,300
PASSED
#include <bits/stdc++.h> using namespace std; int main() { int a,b,c,d; scanf("%d %d %d %d",&a,&b,&c,&d); int o=max(c,d); vector<int> otv; if(o>2*c||o>2*d){ cout<<"-1"; return 0; } otv.push_back(o); o*=2; o++; o=max(o,b); if(o>2*b){ cout<<"-1"; ...
C++
56535017d012fdfcc13695dfd5b33084
9d7e83d284ffffe43e7278270693681b
1,300
PASSED
#include <bits/stdc++.h> #define int long long using namespace std; int32_t main() { int f,m,s,masha; cin>>f>>m>>s>>masha; for(int i=1; i<=200; i++) { for(int j=1; j<i; j++) { for(int k=1; k<j; k++) { if(f<=i&&2*f>=i&&m<=j&&2*m>=j&&s<=k&&2*s>=k) { if(masha<=k&&2*masha>=k&&2*masha<j&&2*mash...
C++
56535017d012fdfcc13695dfd5b33084
08e6e397ee5fe51bc77391add5856fcd
1,300
PASSED
#include <bits/stdc++.h> #define ll long long #define inf 1000001 using namespace std; int main(){ ll v1,v2,v3,vm;cin>>v1>>v2>>v3>>vm; if(2*v3<vm || 2*vm<v3){cout<<-1;return 0;} if(2*vm>=2*v2){cout<<-1;return 0;} ll x=2*min(v3,vm); ll y,z; if(2*v2>2*vm) y=2*v2; if(y+1>=v1 && (y+1)<=2*v1) z=y+1; ...
C++
56535017d012fdfcc13695dfd5b33084
3663b662d1b095547b3ff098522cf911
1,300
PASSED
#include <vector> #include <list> #include <map> #include <set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include<fstream> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <cstdio> #include <cmath> #include <cstdlib> #include <ct...
C++
3053cba2426ebd113fcd70a9b026dad0
b472b37069fca2407186f2fe8b05fa44
1,300
PASSED
#include <iostream> #include <string> using namespace std; int main() { string x; int n,s,t; cin>>n; cin>>x; for(int i=0;i<n;i++) if(x[i]=='R') {s=i+1; break;} else if(x[n-i-1]=='L') {s=n-i; break;} for(int i=0;i<n;i++) if(x[i]=='R'&&x[i+1]=='L') ...
C++
3053cba2426ebd113fcd70a9b026dad0
5f854ffed4591d2c4972deefc2c0c556
1,300
PASSED
#include <iostream> #include <vector> int main(){ using namespace std; int n; cin >> n; char ch; vector<char> a; int s = -1; for(int i = 0; i < n; i++){ cin >> ch; if(ch == '.'){ continue; } if(s == -1){ s = i + 1; } a.push_back(ch); } int c; for(int i = 1; i < a.size(); i++){ if(a[i] !=...
C++
3053cba2426ebd113fcd70a9b026dad0
24bb286382849474ea0d3dc9dd17eeac
1,300
PASSED
#include <stdlib.h> #include <time.h> #include <vector> #include <string.h> #include <math.h> #include <algorithm> #include <sstream> #include <iostream> #include <fstream> #include <string> #include <map> #include <set> using namespace std; const int M=1000+10; typedef long long int ll; int main() { //freopen...
C++
3053cba2426ebd113fcd70a9b026dad0
30ce6dcea65406eaedddaa102b6b521d
1,300
PASSED
#include <cstdio> #include <iostream> #include <string> #include <algorithm> #include <cmath> #include <vector> #include <stack> #include <queue> #include <list> #include <map> #include <set> #include <stdlib.h> #include <sstream> #include <assert.h> #include <time.h> #pragma comment(linker, "/STACK:20000000") #defin...
C++
3053cba2426ebd113fcd70a9b026dad0
05deec982926d3a524527e5414cfd606
1,300
PASSED
//#pragma comment(linker, "/STACK:256000000") #include<iostream> #include<string> #include<climits> #include<algorithm> #include<cmath> #include<cstdio> #include<cstdlib> #include<memory> #include<cstring> #include<vector> #include<stack> #include<map> #include<set> #include<list> #include<iomanip> #include<utility> #i...
C++
3053cba2426ebd113fcd70a9b026dad0
ca6c7a105f386e8b1da26e619df1afa5
1,300
PASSED
//steps #include<iostream> #include<string> #include<algorithm> using namespace std; int main(){ int n; cin >> n; string s; cin >> s; int st_pos = s.find('R'); int last_pos=st_pos; int left = count(s.begin(), s.end(), 'L'), right = count(s.begin(), s.end(), 'R'); if (left&&!right){ ...
C++
3053cba2426ebd113fcd70a9b026dad0
040f071d52ddb1b2b146080fe90691a9
1,300
PASSED
#include<set> #include<map> #include<list> #include<queue> #include<stack> #include<string> #include<time.h> #include<math.h> #include<memory> #include<vector> #include<fstream> #include<stdio.h> #include<utility> #include<string.h> #include<iostream> #include<stdlib.h> #include<algorithm> using namespace std; char a[1...
C++
3053cba2426ebd113fcd70a9b026dad0
3419feb591d50b0d2b523ddeb87bd6e2
1,300
PASSED
#include<iostream> #include<algorithm> #include<cstdio> #include<string> using namespace std; int n,R,L,l,r; string s; int main(){ scanf("%d",&n); cin>>s; for(int i=0;i<n;i++){ if(s[i]=='R'){ R++; r=i+1;} else if(s[i]=='L') { l=1+i; L++; } } if(R>0){ printf(...
C++
3053cba2426ebd113fcd70a9b026dad0
1cc59741645c9d56e025a9756b8bddd0
1,300
PASSED
#include<iostream> #include<string> #include<set> #include<vector> #include<algorithm> using namespace std; int main() { string str; int n,x=-1,y,c=0,l=0,r=0; cin>>n; cin>>str; for(int i=0;i<str.length();i++) { if(str.at(i)!='.') { c++; if(x==-1) x=i; if(str.at(i)=='L') l++; else r++; y=i;...
C++
3053cba2426ebd113fcd70a9b026dad0
6550d65836a006bd8240f76cb3ad81d5
1,300
PASSED
/* Author: Arjan Singh Bal, IIITM Gwalior "Everything in this world is magic, except to the magician" */ #include <bits/stdc++.h> #ifdef LOCAL #include "pprint.hpp" #endif using namespace std; template <typename Arg1> void prn(Arg1&& arg1) { cout<<arg1<<"\n"; } templ...
C++
933135ef124b35028c1f309d69515e44
c1b2a9e163a0fd0a0c77ea3c8ea8b941
1,700
PASSED
#include <bits/stdc++.h> using namespace std; #define int long long #define tie() ios_base :: sync_with_stdio(0); cin.tie(0) ; cout.tie(0); #define endl '\n' int N = 1e6 + 2; int bs(int l , int r , int &n) { while(l <= r) { int m = (l + r) / 2; int cube = m * m * m; i...
C++
933135ef124b35028c1f309d69515e44
0d4b73ad8dbe0dd2c5042f7ebed31287
1,700
PASSED
//--------Anivia_kid---------// #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back typedef long long ll; const int MOD = 1e9 + 7; const int MAXN = 1e5 + 100; bool isPrime(ll n) { if(n < 2) return false; if(n == 2) return true; for(ll i = 2; i * i <= n; i++) ...
C++
933135ef124b35028c1f309d69515e44
d172578d2025904f8159f751a8bdc5c8
1,700
PASSED
//--------Anivia_kid---------// #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back typedef long long ll; const int MOD = 1e9 + 7; const int MAXN = 1e5 + 100; bool isPrime(ll n) { if(n < 2) return false; if(n == 2) return true; for(ll i = 2; i * i <= n; i++) ...
C++
933135ef124b35028c1f309d69515e44
c71202491aeb95975cd80aa90548e509
1,700
PASSED
#include "bits/stdc++.h" using namespace std; long long calculate_gcd(long long a, long long b) { cout << a << " " << b << endl; if(b == 0) { return a; } if(a == 0) { return b; } if (b == 1 || a == 1) { return 1; } if(a >= b) { return calcu...
C++
933135ef124b35028c1f309d69515e44
0d54d6db60081f504147a1a42536ae78
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long long unsigned int llui; typedef pair<int,int> ii; typedef pair<ll,ll> pll; typedef vector<ii> vii; typedef vector<int> vi; typedef vector<ll> vll; typedef vector< vector<int> > vvi; typedef set<int> si; typedef map<string, int> msi; type...
C++
933135ef124b35028c1f309d69515e44
c2e16148c042370c37c1f34c8b05edae
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long long unsigned int llui; typedef pair<int,int> ii; typedef pair<ll,ll> pll; typedef vector<ii> vii; typedef vector<int> vi; typedef vector<ll> vll; typedef vector< vector<int> > vvi; typedef set<int> si; typedef map<string, int> msi; type...
C++
933135ef124b35028c1f309d69515e44
78391ffce95dfab8faa0ccfc4ab5336d
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long long unsigned int llui; typedef pair<int,int> ii; typedef pair<ll,ll> pll; typedef vector<ii> vii; typedef vector<int> vi; typedef vector<ll> vll; typedef vector< vector<int> > vvi; typedef set<int> si; typedef map<string, int> msi; type...
C++
933135ef124b35028c1f309d69515e44
03127b55b95aacb94d055efeb739238e
1,700
PASSED
#include<bits/stdc++.h> using namespace std; /**templates**/ typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef vector<ll> vl; #define si(x) scanf("%d",&x) #define sl(x) scanf("%lld",&x) #define sull(x) scanf("%llu",&x) #define sf(x) scanf("%lf",&x) #def...
C++
933135ef124b35028c1f309d69515e44
5fe8a34c37f044bf4d3bd362597fe912
1,700
PASSED
#include<bits/stdc++.h> using namespace std; /**templates**/ typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef vector<ll> vl; #define si(x) scanf("%d",&x) #define sl(x) scanf("%lld",&x) #define sull(x) scanf("%llu",&x) #define sf(x) scanf("%lf",&x) #def...
C++
933135ef124b35028c1f309d69515e44
c623fe63f4b6beddfcec169ba6ce1570
1,700
PASSED
#include<algorithm> #include<cstdio> using namespace std; int i , n , m , k , parent[500005],siz[500005],a[500005]; int fin(int x){return (parent[x]==x)?x:parent[x]=fin(parent[x]);} void uni(int x,int y){if(fin(x)!=fin(y))siz[fin(x)]+=siz[fin(y)],parent[fin(y)]=fin(x);} int main() { scanf("%d %d",&n,&m); for...
C++
a7e75ff150d300b2a8494dca076a3075
c8cc06b18468e83ed840aa9cef90a3ec
1,400
PASSED
#include<bits/stdc++.h> using namespace std; using ll = long long; #define loop(i,x,z) for (int i=x;i<z;i++) int n, m; int dp[500002],leaves=0; //vector<int> groups[100002]; //vector<int> fds[10002]; vector<int> vis; int dfs(int num, vector<unordered_set<int>>& fds) { if (dp[num] != 0) return 0; //cout << "yup"; dp[...
C++
a7e75ff150d300b2a8494dca076a3075
79eeb0a465078b2535932bdebf092fb6
1,400
PASSED
#include <bits/stdc++.h> using namespace std; const int LIM = 1e6 + 5; vector<int> graph[LIM]; vector<int> parent; int find(int x) { if (parent[x] < 0) { return x; } else { int y = find(parent[x]); parent[x] = y; return y; } } void unions(int a, int b) { int p = find(a); int q = find(b) ; if (p != q)...
C++
a7e75ff150d300b2a8494dca076a3075
0ee2df5ee9b39d93a02e5b115398bf83
1,400
PASSED
#include <bits/stdc++.h> #include <iostream> #include <string> using namespace std; #define mod 4294967295 vector<int>a[2000000]; vector<int>adj[2000000]; vector<int>ans[2000000]; int vis[2000000],vis2[2000000]; map<int,int>mep; int len=0; int f(int i) { vis[i]=1; ans[len].push_back(i); for(int k=0;k<a[i].s...
C++
a7e75ff150d300b2a8494dca076a3075
3541ceac20cf1c8e7463bc012b515549
1,400
PASSED
#include<bits/stdc++.h> using namespace std; const int N = 1000043; vector<int> g[N]; int color[N]; int siz[N]; int n, m; int cc = 0; int dfs(int x) { if(color[x]) return 0; color[x] = cc; int ans = (x < n ? 1 : 0); for(auto y : g[x]) ans += dfs(y); return ans; } int main() { scanf("%d %d", &n, &m); for...
C++
a7e75ff150d300b2a8494dca076a3075
947a3ca9afe931550777042685aeeef5
1,400
PASSED
#include<bits/stdc++.h> using namespace std; const int N = 1000043; vector<int> g[N]; vector<int> adj[N]; int color[N]; int siz[N]; int n, m; int cc = 0; int dfs(int x) { if(color[x]) return 0; color[x] = cc; int ans = (x < n ? 1 : 0); for(auto y : g[x]) ans += dfs(y); return ans; } int main() { scanf("%d...
C++
a7e75ff150d300b2a8494dca076a3075
6566e5fb8d1f22779248f76841712290
1,400
PASSED
#include <bits/stdc++.h> #include <iostream> #include <string> using namespace std; vector< int>a[2000000]; vector<int >adj[2000000]; vector<int >ans[2000000]; int vis[2000000]; int vis2[2000000]; map<int ,int >mep; int len=0; int f(int i) { vis[i]=1; for(int k=0;k<adj[i].size();k++) { if(vis2[adj...
C++
a7e75ff150d300b2a8494dca076a3075
d484a64fd7b4e1400e235a8de5d3354a
1,400
PASSED
#include<bits/stdc++.h> #define ll long long int #define endl "\n" #define fio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define modu 998244353 #define fromFile freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #define f first #define s second using namespace std; // vector<int> v(500009...
C++
a7e75ff150d300b2a8494dca076a3075
ceb7e15afaf21aa8b3f2edebe5aa86a2
1,400
PASSED
#include<bits/stdc++.h> #include<stdlib.h> #define ll long long #define ull unsigned long long #define f first #define s second #define pb push_back #define mp make_pair #define mod (ll)(1e9+7) #define sp ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) #define ld long double #define pie acos(-1) #define endl "\n" ...
C++
a7e75ff150d300b2a8494dca076a3075
4d9ad1f8bf8cab26f3c7de9c36dbcb73
1,400
PASSED
#include<iostream> #include<map> #include<vector> #include<algorithm> //#include<iterator> #include<cmath> #include<ctime> #include<string.h> #include<queue> //#include<stdio.h> //#define a.pb(c) push_back(c) //#define pri(n) cout<<n<<"\n" #define all(c) c.begin(),c.end() #define allarr(c) c,c+sizeof(c) //#define reval...
C++
2d088e622863ab0d966862ec29588db1
58114f22e52727519d66ae114a936126
1,300
PASSED
using namespace std; #include<string.h> #include <sstream> typedef long long int ll; typedef long double ld; #include <cmath> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> #include <iterator> #include <unordered_map> #include <map> //#define N 4 //const ll INF = 0x3f3f3f3f; //const ll INF...
C++
2d088e622863ab0d966862ec29588db1
ed2e3cf15957c464a012146d09073902
1,300
PASSED
using namespace std; #include<string.h> #include <sstream> typedef long long int ll; typedef long double ld; #include <cmath> #include <cstdio> #include <vector> #include <iostream> #include <algorithm> #include <iterator> #include <unordered_map> #include <map> //#define N 4 //const ll INF = 0x3f3f3f3f; //const ll INF...
C++
2d088e622863ab0d966862ec29588db1
55316bed8c4a202e9baed17869db5992
1,300
PASSED
#include <bits/stdc++.h> using namespace std; #define vi vector<int> #define ll long long #define ii pair<int, int> #define vvi vector<vi> #define vll vector<ll> #define vvll vector<vll> #define MOD 1000000007 #define pll pair<ll, ll> #define ff first #define ss second #define mp make_pair #define vii vector<ii> #de...
C++
2d088e622863ab0d966862ec29588db1
24c31958e425f4d15347023fd199ef4d
1,300
PASSED
#include <bits/stdc++.h> using namespace std; #define vi vector<int> #define ll long long #define ii pair<int, int> #define vvi vector<vi> #define vll vector<ll> #define vvll vector<vll> #define MOD 1000000007 #define pll pair<ll, ll> #define ff first #define ss second #define mp make_pair #define vii vector<ii> #de...
C++
2d088e622863ab0d966862ec29588db1
d9a0b9f3127d54bf337bbc99acf3463e
1,300
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int T; cin >>T; while(T--) { long long int N, K, ans=0, flag=1, maxi=0; cin >> N >> K; long long int arr[N]={0}; for(int i=0; i<N; i++) cin >> arr[i]; long long int temp=arr[0]; for(int i=1; ...
C++
2d088e622863ab0d966862ec29588db1
edc72664f405cad76d886a738292e038
1,300
PASSED
#include<bits/stdc++.h> using namespace std; signed main() { int T; cin >>T; while(T--) { long long int n, K, ans=0, flag=1, maxi=0; cin >> n >> K; vector<long long int> a(n + 1); long long int dp[n + 1][2]; for (int i = 1; i <= n; i++) cin >> a[i]; dp[1][0]...
C++
2d088e622863ab0d966862ec29588db1
9a5dc0d250a7044f79ca9d4b692094ea
1,300
PASSED
#include<bits/stdc++.h> using namespace std; signed main() { int T; cin >>T; while(T--) { long long int n, K, ans=0, flag=1, maxi=0; cin >> n >> K; vector<long long int> a(n + 1); long long int dp[n + 1][2]; for (int i = 1; i <= n; i++) cin >> a[i]; dp[1][0]...
C++
2d088e622863ab0d966862ec29588db1
d5564444b2f572b22ad43f53f93ddcc8
1,300
PASSED
#include <bits/stdc++.h> using namespace std; long long int fun(int arr[], int n, int cnt){ long long int d1[n+1], d2[n+1]; d1[0] = -10000000; d2[0] = 0; for(int i=0;i<n;i++){ d1[i+1] = max(d2[i]+arr[i], d1[i]); d2[i+1] = max(d1[i]-arr[i], d2[i]); } return max(d1[...
C++
2d088e622863ab0d966862ec29588db1
28a605d5dc000b08af1e4fab7eedb6fa
1,300
PASSED
/************ * @Just Another Source code by: ankit.sangwan1999 * @created on: 24 Sept 2020 */ #include<bits/stdc++.h> using namespace std; #define fastio ios_base::sync_with_stdio(false); cin.tie(NULL) //;cout.tie(NULL) #define ll long long const int mod = 1e9+7; const long double pie = 3.14159265358979323846; #defin...
C++
2d088e622863ab0d966862ec29588db1
d0303dd770c6f4ea1c42dbcc269346c0
1,300
PASSED
#include<iostream> #include<vector> using namespace std; vector<int> adj[200002]; int w[200002]; long long res = 0; int n, k; void dfs(int v, int p = -1) { for(int i = 0; i < adj[v].size(); ++i) { int s = adj[v][i]; if(s == p) continue; dfs(s, v); w[v] += w[s]; res += min( w[s], k - w[s] ); } } void ...
C++
ca22cf92727a38fbb3c085b9362602db
1d19c3992f45809c88aff6d1a6c397c5
1,800
PASSED
#include <cstdio> #include <cstdlib> #include <cstring> #include <string> #include <cmath> #include <climits> #include <algorithm> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <cassert> #include <vector> #define all(x) x.begin() , x.end() #define fi first #define se secon...
C++
ca22cf92727a38fbb3c085b9362602db
99b6d24f88eba5574cf203484b3316ff
1,800
PASSED
//Begin:2016年08月14日19:45:49 //End:2016年08月14日19:59:44 //Test1:交错题... //Test2:辣鸡爆Int #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int maxn=200000+10; struct Edge{ int next,v; Edge(){} Edge(int next,int v): next(next),v(v){} }e[maxn<<1]; struct Line{ int u,v; Line(...
C++
ca22cf92727a38fbb3c085b9362602db
adcf90eb4ba5c52c92afa0ebf15b31d6
1,800
PASSED
#include<iostream> #include<cstring> #include<cstdio> using namespace std; typedef long long ll; struct node{ int k,next; }G[2000001]; int n,k,head[200001],p=0,ctr,ind=0; ll ans=0; bool iss[200001],visited[200001]; void ins(int a,int b){ p++; G[p].k=b; G[p].next=head[a]; head[a]=p; } void add(int a,int b){ins(...
C++
ca22cf92727a38fbb3c085b9362602db
1aa3cf7b833e5041e4c87e72ab9fedb0
1,800
PASSED
#include <iostream> #include <cstring> #include <cstdio> #include <vector> #define N 800100 using namespace std; int head[N],nm,num[N];long long ans; bool vis[N],ok[N]; vector<int>v[N]; struct node{ int u,v,next;}edge[N]; void addedge(int a,int b){ edge[nm].u=a; edge[nm].v=b; edge[nm].next=head[a]; head...
C++
ca22cf92727a38fbb3c085b9362602db
ea6a5fa0000f7eb6e90a9bb63d39450a
1,800
PASSED
#include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <vector> #include <string> #include <algorithm> #include <stack> #include <queue> #include <set> #include <map> using namespace std; #define MOD #define ADD(X,Y) ((X) = ((X) + (Y)%MOD) % MOD) typedef long long i64; typedef vector<int> ...
C++
ca22cf92727a38fbb3c085b9362602db
9b1f25a05fa9a10bbb3bee20e3b1678e
1,800
PASSED
#include<bits/stdc++.h> using namespace std; #define lp(i,n1,n2) for(int (i)=(int)(n1);(i)<(int)(n2);++(i)) #define lpr(i,n1,n2) for(int (i) =(int)(n1); (i) >= (int)(n2);--(i)) #define scan(a) scanf("%d",&a) #define scan2(a,b) scanf("%d %d",&a,&b); #define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c) #define pb(a) push_back...
C++
ca22cf92727a38fbb3c085b9362602db
de06fed06bfd8483043c8faaa6b70fed
1,800
PASSED
#include <cstdio> #include <vector> using namespace std; const int maxn = 200010; vector<int> edges[maxn]; bool is_uni[maxn]; int s[maxn]; int _min(int a, int b){ if (a < b) return a; return b; } void dfs(int o, int pa){ if (is_uni[o] == true) s[o]++; for (int i = 0; i < edges[o].size(); i++){ int v = edges[...
C++
ca22cf92727a38fbb3c085b9362602db
b8f125f43b17d9cbf6b04daaad78c489
1,800
PASSED
#include <iostream> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <queue> #include <algorithm> using namespace std; const int N=200005; int n,i,head[N],Next[N*2],adj[N*2],k,m,a,siz[N],u,v; long long ans; void Push(int u,int v) { Next[++k]=head[u]; head[u]=k; adj[k]=v; } void dfs(int i,int fa) {...
C++
ca22cf92727a38fbb3c085b9362602db
a470d6e0bf79392d67fc499b00a2a87c
1,800
PASSED
#include <cstdio> #include <algorithm> #include <cstring> #define Maxn 200050 #define LL long long using namespace std; int nxt[Maxn<<1], to[Maxn<<1], head[Maxn], cnt; void AddEdge(int u, int v) { nxt[++cnt] = head[u], head[u] = cnt, to[cnt] = v; } int sz[Maxn], n, k, rt, mnf, vis[Maxn]; void Dfs(int u, int v) { ...
C++
ca22cf92727a38fbb3c085b9362602db
df2cf1dd639514bd94c4f320f31fce56
1,800
PASSED
t=int(input()) for i in range(t): t=input() one=t.count('1') zero=t.count('0') if(zero>0 and one>0): if(zero>=one): print('01'*len(t)) else: print('10'*len(t)) else: print(t)
Python
679a1e455073d3ea3856aa16516ba8ba
c21eb008ed077af0fd3539cb1cb2dacb
1,100
PASSED
from sys import stdin , stdout for testcases in range(int(stdin.readline())): # print('=========') string=stdin.readline() one=string.count('1') zero=string.count('0') # print('length of string:',len(string)) if one==len(string)-1 or zero==len(string)-1: # print('hello') print(st...
Python
679a1e455073d3ea3856aa16516ba8ba
6fc8b79bbdf57875bb0395ece1a9dbba
1,100
PASSED
import sys def get_ints(): return map(int, sys.stdin.readline().strip().split()) def get_array(): return list(map(int, sys.stdin.readline().strip().split())) def input(): return sys.stdin.readline().strip() for _ in range(int(input())): s = input() st="" a=s.count("1") b=s.count("0") if...
Python
679a1e455073d3ea3856aa16516ba8ba
6fcb067375f08bea79136954ba01744c
1,100
PASSED
''' inputCopy 4 00 01 111 110 outputCopy 00 01 11111 1010 ''' def all(s) : n = len(s) for i in range(1, n) : if s[i] != s[0] : return False return True for _ in range(int(input())): s=input() if(all(s)): print(s) else: a="" for i in range(len(s)...
Python
679a1e455073d3ea3856aa16516ba8ba
444a1504b4ea43826d04280bfb70bfda
1,100
PASSED
t=int(input()) for z in range(t): t=input() if ((t.count('0')== len(t)) or (t.count('1')==len(t))): print(t) else: if t[0]=='0': s='' for i in range(2*len(t)): if i%2==0: s+='0' else: s+='1' ...
Python
679a1e455073d3ea3856aa16516ba8ba
67569bbb5cbd7ca329f8f47c7cd10232
1,100
PASSED
for _ in range(int(input())): n=input() s=list(n) ans='1' if s.count('1')==len(s) or s.count('1')==0: print(n) else: for i in range(len(s)): if s[i]=='1': if s[i]==ans[-1]: ans+='01' else: ans+='1' ...
Python
679a1e455073d3ea3856aa16516ba8ba
a7bdbfa107c5902c4e47366e8a4a81fd
1,100
PASSED
for _ in range(int(input())): n=input() s=list(n) ans='' if s.count('1')==len(s) or s.count('1')==0: print(n) else: for i in range(len(s)): ans+='01' print(ans)
Python
679a1e455073d3ea3856aa16516ba8ba
42a3ca8873addabeec7460cbeb1de5f6
1,100
PASSED
T=int(input()) for _ in range(T): string = input() A = list(string) if len(set(A))==1: print(string) else: temp=len(string) result="" for _ in range(temp): result+="01" print(result)
Python
679a1e455073d3ea3856aa16516ba8ba
231b1bc6b92118ff8e5e547238b44a12
1,100
PASSED
n=int(input()) for i in range(n): t=input() q=[-1]*2 w=[-1]*len(t) for jj in range(len(t)): w[jj]=int(t[jj])+1 w.sort() if w[0]==w[len(w)-1]: print(2*t) else: for ii in range(len(t)): print(t[0], end='') q[int(t[0])]=t[0] for j in range(1, len(t)): if q[int...
Python
679a1e455073d3ea3856aa16516ba8ba
3be775b6e1a7946f7b59076855ceb247
1,100
PASSED
t=int(input()) for i in range(t): l=input() m=[0,0] for i in l: if i=="0": m[0]+=1 else: m[1]+=1 if m[0]==0 or m[1]==0: print(l) else: a=l[0] if a=="0": s="01"*(len(l)) else: s="10"*(len(l)) print...
Python
679a1e455073d3ea3856aa16516ba8ba
dbe9a4c57f677876fb9450a7a343c305
1,100
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; struct aho_corasick { struct node { map<char, int> next; int link; int cnt; bool solved; int total; node() : next(), link(0), cnt(0), solved(false), total(0) {} }; vector<pair<s...
C++
b3038ba22e3442c142a99f485dd55308
a6f902467cfc5d516d62a570d44f1f4a
2,800
PASSED
#pragma comment(linker, "/stack:256000000") #include <cstdio> #include <iostream> #include <vector> #include <set> #include <map> #include <algorithm> #include <cstring> #include <string> #include <cmath> #include <ctime> #include <cassert> #include <queue> using namespace std; #define REP(i, n) for (int (i) = 0; (i...
C++
b3038ba22e3442c142a99f485dd55308
5f0c5596c9a6beaa555f8e5a350faa40
2,800
PASSED
#include <iostream> #include <vector> #include <string> #include <deque> #include <algorithm> #include <functional> #include <map> #include <bitset> #include <iomanip> #include <list> #include <set> #include <deque> #include <unordered_map> #include <unordered_set> #include <numeric> using namespace std; #define FOR(i,...
C++
b3038ba22e3442c142a99f485dd55308
832f10a3e2e3ccf4e90dc29b0c7a2db5
2,800
PASSED
#include <iostream> #include <vector> #include <string> #include <deque> #include <algorithm> #include <functional> #include <map> #include <bitset> #include <iomanip> #include <list> #include <set> #include <deque> #include <unordered_map> #include <unordered_set> #include <numeric> using namespace std; #define FOR(i,...
C++
b3038ba22e3442c142a99f485dd55308
5c7b21d49601fdb85ea8d15ef627a8b7
2,800
PASSED
#include <iostream> #include <vector> #include <string> #include <deque> #include <algorithm> #include <functional> #include <map> #include <bitset> #include <iomanip> #include <list> #include <set> #include <deque> #include <unordered_map> #include <unordered_set> #include <numeric> using namespace std; #define FOR(i,...
C++
b3038ba22e3442c142a99f485dd55308
b404f95e8c60e6530d11ad20814acf5f
2,800
PASSED