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
exec_outcome
stringclasses
1 value
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define endl '\n'; #define sz(x) (int)(x).size() #define all(x) x.begin(), x.end() const double PI = 2 * asin(1); int dx[8] = {0, 0, 1, -1, 1, -1, 1, -1}; int dy[8] = {1, -1, 0, 0, 1, -1, -1, 1}; void IO() { ios_base::sync_with_stdio(false); ...
C++
ff95cd4632b2ddf8bb54981634badcae
ced1ffcf55d555c30ba2310c936f6497
1,200
PASSED
#include <iostream> #include <math.h> #include <string.h> #include <algorithm> #include <queue> #define ll long long using namespace std; const int N=3e5+10; char a[N],b[N]; int mp[N]; int main() { int i,j,k,n,m,t; cin>>t; while(t--) { memset(mp,0,sizeof(mp)); int s1=0,s2=0,f=0; cin>>n; cin>>a>>b; if(strc...
C++
ff95cd4632b2ddf8bb54981634badcae
68f76c098b02bedcd5fd94fb53537aba
1,200
PASSED
#include<stdio.h> #include<string.h> #include<algorithm> #include<string> #include<iostream> using namespace std; const int M=3e5+10; int n,t; string a,b; void solve(){ cin>>n>>a>>b; int cnt=0; for(int i=0;i<n;i++){ cnt+=(a[i]=='1')-(a[i]=='0'); if((a[i]==b[i])!=(a[i+1]==b[i+1])&&cnt!=0){ ...
C++
ff95cd4632b2ddf8bb54981634badcae
f9ec9cef72c39f6b137c7de0f47e67ef
1,200
PASSED
#include<bits/stdc++.h> using namespace std; const int N = 3e5+10; char a[N],b[N]; int dp[N]; int main() { int t; cin>>t; while(t--) { int n; cin>>n; scanf("%s%s",a,b); int a1=0,b1=0; for(int i=0;i<n;i++){ dp[i]=0; if(a[i]=='0')a1++; ...
C++
ff95cd4632b2ddf8bb54981634badcae
f981d249cca71eb706b6e137770e704b
1,200
PASSED
#include<stdio.h> #include<iostream> #include<string.h> using namespace std; const int M=1e6+9; int q1[M],q0[M]; char a[M],b[M]; int main() { int t; scanf("%d",&t); while(t--) { int n; int flag=0; memset(q1,0,sizeof(a)); memset(q0,0,sizeof(b)); scanf("%d",&n); getchar(); for(int i=0;i<n;i++) { sc...
C++
ff95cd4632b2ddf8bb54981634badcae
5fb8f629b73baa82b1e039c58d09e0d2
1,200
PASSED
#include<bits/stdc++.h> using namespace std; #define PRE(v) partial_sum(v.begin(),v.end(),v.begin()) #define SUM(v) accumulate(v.begin(),v.end(),0) #define MAX(v) *max_element(v.begin(),v.end()) #define MIN(v) *min_element(v.begin(),v.end()) #define D(i,a,n) for(long long i=a;i<n;i++) #define F(i,n) for(long...
C++
ff95cd4632b2ddf8bb54981634badcae
15cb6d79c0023b10081de3e89dcb2cf3
1,200
PASSED
#include<bits/stdc++.h> #define ll long long using namespace std; void solve() { int n,m,f=0; string a,b; cin>>n; cin>>a>>b; int zero=0,one=0; for(int i=0;i<n;i++) { if(a[i]=='0')zero++; ...
C++
ff95cd4632b2ddf8bb54981634badcae
d26be67c0a9ce9cb1474ed0144a4a54e
1,200
PASSED
#include <bits/stdc++.h> using namespace std; #define int long long #define mod 1000000007 #define pi (3.141592653589) /****************************************************************************************************/ void solve() { string a,b; int n,i,j,pos1=0,pos2=0,c0=0,c1=0,c=0; ...
C++
ff95cd4632b2ddf8bb54981634badcae
a074f148beb3745284bd9669228680ca
1,200
PASSED
#include <iostream> #include <bits/stdc++.h> using namespace std; typedef long long int ll; char a[300005],b[300005]; int n; int main() { int t; scanf("%d",&t); while(t--) { scanf("%d",&n); scanf("%s",a); scanf("%s",b); int flag=0; int a_0_cnt=0,a_1_cnt=0; ...
C++
ff95cd4632b2ddf8bb54981634badcae
ca389f6ad0bebfb93e03de7dcbbbc3a3
1,200
PASSED
t = int(input()) for _ in range(t): n = int(input()) temp = [int(i) for i in input()] a, b = "", "" temp_a, temp_b = 0, 0 flag = 0 k = temp.count(1) if n % 2 != 0 or temp[0] == 0 or temp[-1] == 0 or k % 2 != 0: flag = 1 open_a, open_b = n // 2, n // 2 close_a, clos...
Python
f2aedd618eae5c51386525b1f76b19a6
725ba7f9fa4f75060427ee20a6fa047f
1,600
PASSED
def is_pos(text): st1, st2, cnt1, cnt2 = (['('], ['('], 1, 1) for i in range(1, len(text)-1): is_high = cnt1 >= cnt2 #print(text[i], is_high, cnt1, cnt2) if text[i] == '1': if cnt1 == 0 or cnt2 == 0: cnt1, cnt2 = cnt1 + 1, cnt2 + 1 st1....
Python
f2aedd618eae5c51386525b1f76b19a6
1497f0d442a49f43943e3401a6ef24dc
1,600
PASSED
for _ in range(int(input())): n = int(input()) num = input() h = (n//2) a = [] b = [] last = True count1 = 0 c1 = num.count('1') for i in range(n): if num[i] == '0': if last: a.append('(') b.append(')') else: ...
Python
f2aedd618eae5c51386525b1f76b19a6
b65bf0065694c4bb7b869456402ae741
1,600
PASSED
t=int(input()) for i in range(t): n=int(input()) s=input() a='' b='' c1=s.count("1") c0=s.count("0") if c1%2!=0 or c0%2!=0 or s[0]!="1" or s[-1]!="1" : print("NO") else: print("YES") one=0 zer=0 for j in range(n): if s[j]...
Python
f2aedd618eae5c51386525b1f76b19a6
8f8c51a02c7e579b18df1511325c5c80
1,600
PASSED
def answer(s): count1=0 count=0 count0=0 a='' b='' if s[0]=='0' or s[-1]=='0': return ['NO'] for i in s: if i=='1': count1+=1 else: count0+=1 if count1%2!=0 or count1==0 or len(s)%2!=0: return ['NO'] var=0 fo...
Python
f2aedd618eae5c51386525b1f76b19a6
6044f8817dc3276a99695102b02147d0
1,600
PASSED
for i in range(int(input())): N=int(input()) s=input() zero=0 for i in range(N): if(s[i]=='0'): zero+=1 if(zero%2): print('NO') else: if(s[0]=='0' or s[-1]=='0'): print('NO') else: one=N-zero s1="";s2="...
Python
f2aedd618eae5c51386525b1f76b19a6
92ce1cc201eb2ad40c4eaf382e3ba9ed
1,600
PASSED
for _ in range(int(input())): n = int(input()) s = input() ok = True if(s[0]=='0' or s[-1] == "0"): ok = False zero = s.count("0") ones = s.count("1") ans1 = ["?"] * n ans2 = ["?"] * n if(zero%2 == 0 and ones % 2== 0): half = int(ones/2) for i in r...
Python
f2aedd618eae5c51386525b1f76b19a6
0ff4261e8080ca60899c85c746441cd9
1,600
PASSED
t = int(input()) for _ in range(t): n = int(input()) s = str(input()) d = 0 for x in s: if (x == '1'): d =d+1 d=d//2 a, b = [], [] p0, p1 = 0, 1 for x in s: if (x == '1'): if (p1 <= d): a.append('(') ...
Python
f2aedd618eae5c51386525b1f76b19a6
f5d30291fdb8be0c3e6b9fd2a78bcf2e
1,600
PASSED
for _ in range(int(input())): n = int(input()) s = input() k = s.count('1') m = s.count('0') if s[0] == '0' or s[n - 1] == '0' or m % 2 != 0 or k % 2 != 0: print('NO') continue a = '' b = '' d = 0 c = 0 for i in s: if i == '1': if...
Python
f2aedd618eae5c51386525b1f76b19a6
ea1fc8c8f7ba7c9f1cfb601c33b9f0ad
1,600
PASSED
t = int(input()) while t: n = int(input()) s = input() o = s.count("1") if s[0]=="0" or s[-1]=="0" or s.count("0")%2!=0 or o%2!=0: print("NO") else: a = "" b = "" open_flag=1 p=o//2 for x in s: if x=="1": if p>...
Python
f2aedd618eae5c51386525b1f76b19a6
0a07cc34fa0bf016dcb4998534915109
1,600
PASSED
#include<bits/stdc++.h> using namespace std; int main(){ string s1,s2,s3,s4; char ch='a'; int t,n; cin>>t; while(t--){ cin>>s1; n = s1.length(); s1.insert(0,1,ch); s2=s1; reverse(s2.begin(),s2.end()); // cout<<s1<<"=s1"<<endl; // cout<<s2<<...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
ba6329360f87ce944fe47f9437e2e67e
800
PASSED
#include <bits/stdc++.h> using namespace std; const int N=3e5+105; char s[N]; int main(){ int x; cin>>x; while(x--){ cin>>(s+1); int n=strlen(s+1); int flag1=0; for(int i=1;i<=n;i++){ if(s[i]!='a'){ flag1=1; } } if(flag1==0){ cout<<"NO"<<endl; continue; }else{ s[0]='a'; int flag2=...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
9d8fc31231c2ffbc674c2a557659eb49
800
PASSED
#include "bits/stdc++.h" using namespace std; #define endl "\n" #define ll long long #define INF 1e18 typedef pair <int,int> pii; typedef map <int,int> mii; int main() { int t; cin>>t; string s; while(t--){ cin>>s; int x=s.size(),i=0; bool ya=1; while(i<x && ya){ ...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
88630e15a9ce85d3afe81c083ef1259f
800
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long int ll ; int isPAL(string str){ string p = str; reverse(p.begin(),p.end()); if(p==str){ return 1 ; }else{ return 0; } } void solve(){ string str; cin>>str; if(isPAL(str+"a") == 0){ cout<<"Yes\n"; cout<<str<<'a'<...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
7cf1475d7295519ed42fd21e2382a4d3
800
PASSED
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e5 + 10; int t; string s; int main() { cin >> t; while (t--) { cin >> s; int cnt = 0, cnt1 = 0, cnt2 = 0; for (int i = 0; i < s.size(); i++) if (s[i] == 'a') cnt++; if (cnt == s.size()) { cout << "NO" << endl; con...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
c071ece5175be3dcc69d6b7f9a216215
800
PASSED
#include <iostream> #define breakl "\n" using namespace std; int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int loop; string word, left, right; long long int size; bool notA; cin >> loop; while(loop--){ notA = false; cin >> word; ...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
a9e1ca37f99b9eb67e1c0ce85b18d246
800
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; // For Loop #define fi(i, a, c) for (ll i = (a); i < (c); i++) #define fd(i, a, c) for (ll i = (a); i > (c); i--) #define fe(it, a) for (auto it : a) // Pair #define pi pair<int, int> #define pll pair<ll, ll> #define ...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
f06a8cfdbe9156bb0e08ee7fd50f0a3b
800
PASSED
#include <bits/stdc++.h> using namespace std; bool palindrom(string s) { bool flag = true; int len = s.size(); for(int i = 0; i < len / 2; i++) { if(s[i] != s[len - i - 1]) { flag = false; break; } } return flag; } int main() { int t; cin >> t; whi...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
8adecfc5511cc5d10c8281e72deb4afb
800
PASSED
/* ***Bismillahir Rahmanir Rahim*** */ #include<bits/stdc++.h> using namespace std; #define fastio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define MOD 1000000007 #define MAX 1000005 #define INF 1e18 #define nn "\n" #define pb push_back #define ppb pop_back #define mp make_pair #define ff first #...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
c85752a792ae0297171c833ab1f1cf98
800
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; using namespace __gnu_pbds; typedef tree<int,null_type,less<int>,rb_tree_tag, tree_order_statistics_node_update> indexed_set; //typedef tree<long long, null_type, less_equal<>, rb_tree_tag, tree_order_statistics_node_update> indexed_m...
C++
e2dc3de62fc45c7e9ddb92daa5c5d8de
764dce0c113be0effdb909cca107c7c8
800
PASSED
#include<bits/stdc++.h> #define f(i,a,b) for(ll i=a;i<b;i++) #define ll long long #define ld long double #define vll vector<ll> #define vv vector<vll> #define pll pair<ll,ll> #define pb push_back #define F first #define S second #define lb lower_bound #define ub upper_bound #define p...
C++
7c721cdb8e5709bba242957344851d48
0a02c0c56bafc12cd8bb2ccaade39a04
1,700
PASSED
#include<bits/stdc++.h> #define f(i,a,b) for(ll i=a;i<b;i++) #define ll long long #define ld long double #define vll vector<ll> #define vv vector<vll> #define pll pair<ll,ll> #define pb push_back #define F first #define S second #define lb lower_bound #define ub upper_bound #define p...
C++
7c721cdb8e5709bba242957344851d48
bba60ec448f70c0c40a730b27c97f59a
1,700
PASSED
//cyc #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization ("unroll-loops") #include<bits/stdc++.h> #define vector<int> VI #define rep(i,a,n) for(int i=a;i<=n;i++) #define per(i,a,n) for(int i=n;i>=a;i--) #define pb push_back #define mp make_pair #define fi first #define ...
C++
7c721cdb8e5709bba242957344851d48
2bbf06e845ffb1a351ba50a6e9a52aca
1,700
PASSED
//ABHISHEK AGRAWAL,BIT mesra// //Newbie......You have to be odd to be no. ONE :)// //Author: Abhishekagrawal //Date: 04/04/2021 //Time: 10:16:10 #include<bits/stdc++.h> using namespace std; #define booga cout << "booga" << endl #define ...
C++
7c721cdb8e5709bba242957344851d48
31abe7be2d19d49aedd8a58f4e21ab84
1,700
PASSED
#include<bits/stdc++.h> #define pi 3.1415926535898 #define INF 1000000000000 #define fastIO ios_base::sync_with_stdio(false);cin.tie(NULL); using namespace std; typedef long long ll; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; void make_move(int n, int val, int& i) { int r = i / ...
C++
7c721cdb8e5709bba242957344851d48
03f59126a0e6a832ea7f20ad7d6685d4
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; typedef vector<int> vi; typedef vector<ll> vl; #define INF 1000000000 // 1 billion, safer than 2B for Floyd Warshall's #define EPS 0.0000000...
C++
7c721cdb8e5709bba242957344851d48
a43d96833504e16bf25de4a68de310d2
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; typedef vector<int> vi; typedef vector<ll> vl; #define INF 1000000000 // 1 billion, safer than 2B for Floyd Warshall's #define EPS 0.0000000...
C++
7c721cdb8e5709bba242957344851d48
7b4ac7e3591b63b49d86c7b9098a2472
1,700
PASSED
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; typedef vector<int> vi; typedef vector<ll> vl; #define INF 1000000000 // 1 billion, safer than 2B for Floyd Warshall's #define EPS 0.0000000...
C++
7c721cdb8e5709bba242957344851d48
57030ce3232c27e28dad412c93dc9aaa
1,700
PASSED
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<pair<int, int>> ve[2]; #define BLACK 0 #define WHITE 1 // color the cells like a checkerboard // ve[COLOR] = {list of unfilled cells of tha...
C++
7c721cdb8e5709bba242957344851d48
8b0d25c99dfe3581cebfa91693cf4bad
1,700
PASSED
#include<bits/stdc++.h> #define mod 1000000007 #define pb push_back #define ll long long #define fi first #define lb lower_bound #define test ll int t;cin>>t;while(t--) #define se second #define pll pair<long long,long long> #define icc ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); using name...
C++
7c721cdb8e5709bba242957344851d48
34dc14e06c840bdbf02a0e59e2a0a019
1,700
PASSED
//ダニヤ #include <bits/stdc++.h> using namespace std; #define khan ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define ll long long #define pii pair < int, int > #define pb push_back const int N = 1e5 + 5, mod = 998244353, INF = 1e9 + 7; const ll BIG = 1e18; const int block = 316; const...
C++
48f2c0307a29056a5e0fcc26af98f6dc
d531dc516ac29fd6fe050fd867455faa
2,200
PASSED
//ダニヤ // #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") // mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // int id = uniform_int_distribution<int>(l, r)(rng); // result -= result / ...
C++
48f2c0307a29056a5e0fcc26af98f6dc
a158f90c7d4568db5349d17034a7d25a
2,200
PASSED
//ダニヤ // #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") // mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // int id = uniform_int_distribution<int>(l, r)(rng); // result -= result / ...
C++
48f2c0307a29056a5e0fcc26af98f6dc
eafc340d528fab94c8a3545013e31aaa
2,200
PASSED
#include<bits/stdc++.h> using namespace std; namespace Sakurajima_Mai{ #define ms(a) memset(a,0,sizeof(a)) #define repi(i,a,b) for(int i=a,bbb=b;i<=bbb;++i)//attention reg int or reg ll ? #define repd(i,a,b) for(int i=a,bbb=b;i>=bbb;--i) #define reps(s) for(int i=head[s],v=e[i].to;i;i=e[i].nxt,v=...
C++
48f2c0307a29056a5e0fcc26af98f6dc
8f3709d2c59d17a63df69d512ef8b819
2,200
PASSED
#include<bits/stdc++.h> #define ll long long #define endl '\n' #define rep(i,a,b) for(int i=a;i<=b;i++) #define per(i,a,b) for(int i=a;i>=b;i--) ll read(){ ll f = 1; ll x = 0;char ch = getchar();while(ch>'9'||ch<'0') {if(ch=='-') f=-1; ch = getchar();}while(ch>='0'&&ch<='9') x = (x<<3) + (x<<1) + ch - '0', ch = g...
C++
48f2c0307a29056a5e0fcc26af98f6dc
a54662ebba87b0cbfd0107185abc19c7
2,200
PASSED
#include<bits/stdc++.h> #define ll long long #define endl '\n' #define rep(i,a,b) for(int i=a;i<=b;i++) #define per(i,a,b) for(int i=a;i>=b;i--) ll read(){ ll f = 1; ll x = 0;char ch = getchar();while(ch>'9'||ch<'0') {if(ch=='-') f=-1; ch = getchar();}while(ch>='0'&&ch<='9') x = (x<<3) + (x<<1) + ch - '0', ch = g...
C++
48f2c0307a29056a5e0fcc26af98f6dc
3441b0ea94f3dc7ba4301189541da518
2,200
PASSED
#include<bits/stdc++.h> #define ll long long #define endl '\n' #define rep(i,a,b) for(int i=a;i<=b;i++) #define per(i,a,b) for(int i=a;i>=b;i--) ll read(){ ll f = 1; ll x = 0;char ch = getchar();while(ch>'9'||ch<'0') {if(ch=='-') f=-1; ch = getchar();}while(ch>='0'&&ch<='9') x = (x<<3) + (x<<1) + ch - '0', ch = g...
C++
48f2c0307a29056a5e0fcc26af98f6dc
cfe4683382f5f2995c6d9bf1da41dc3c
2,200
PASSED
#include<bits/stdc++.h> #define ll long long #define endl '\n' #define rep(i,a,b) for(int i=a;i<=b;i++) #define per(i,a,b) for(int i=a;i>=b;i--) inline ll read(){ ll f = 1; ll x = 0;char ch = getchar();while(ch>'9'||ch<'0') {if(ch=='-') f=-1; ch = getchar();}while(ch>='0'&&ch<='9') x = (x<<3) + (x<<1) + ch - '0', ...
C++
48f2c0307a29056a5e0fcc26af98f6dc
59279e4985a1193f0010f148756dafd7
2,200
PASSED
#include<bits/stdc++.h> using namespace std; typedef long long ll; struct aa { ll x; ll y; }p[100005]={0}; bool cmp(aa a,aa b) { if(a.x==b.x) return a.y<b.y; return a.x<b.x; } int main() { ll t,i,j,n,maxnow,ans=0; cin>>n; for(i=0;i<n;i++) scanf("%lld %lld",&p[i].x,&p...
C++
48f2c0307a29056a5e0fcc26af98f6dc
07e1c2e7363325866e161b7cb85adaa2
2,200
PASSED
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll dp[100005]={0}; struct aa { ll x; ll y; }p[100005]={0}; bool cmp(aa a,aa b) { if(a.x==b.x) return a.y<b.y; return a.x<b.x; } ll vis[100005]={0},n,ans=0; int main() { ll t,i,j,z1,z2,maxnow,ans=0; cin>>n; ...
C++
48f2c0307a29056a5e0fcc26af98f6dc
02b1b7a032e58f61410e8433cecf73f3
2,200
PASSED
#include<bits/stdc++.h> using namespace std; const int NN=727272; int a[NN],b[NN]; int pl[NN],fl[NN]; int st,ed; int N,K; void dfs(int A,int B,int ST,int ED); void bfs(int A,int B,int ST,int ED){ // cerr<<"BBB "<<A<<' '<<B<<' '<<ST<<' '<<ED<<endl; st=max(st,B+1); ed=min(ed,A-1); int id=pl[A]/2; int C=0,D=1e9; fo...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
aabcfca81f917befd28f0aaa3a86a99d
2,600
PASSED
#include <bits/stdc++.h> using namespace std; #define NN 400010 int a[NN], b[NN]; int f[NN], g[NN], nxt[NN], vst[NN], val[NN]; int tf[NN], tg[NN], tmp[NN], tp, tq; int L, R, p, q, st, ed, ans; void check1(int *arr, int len) { for (int i = 1; i < len; i++) { if (arr[i] < arr[i + 1]) { cout << -1 << endl; exi...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
54d4257ccf565976fadde2748eba2ce3
2,600
PASSED
#include<bits/stdc++.h> using namespace std; namespace Sakurajima_Mai{ #define ms(a) memset(a,0,sizeof(a)) #define repi(i,a,b) for(int i=a,bbb=b;i<=bbb;++i)//attention reg int or reg ll ? #define repd(i,a,b) for(int i=a,bbb=b;i>=bbb;--i) #define reps(s) for(int i=head[s],v=e[i].to;i;i=e[i].nxt,v=...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
dd8c37877893e3d52318d1101a002b97
2,600
PASSED
// Problem: F. Flip the Cards // Contest: Codeforces - Codeforces Round #712 (Div. 2) // URL: https://codeforces.com/contest/1504/problem/F // Memory Limit: 256 MB // Time Limit: 2000 ms // // Powered by CP Editor (https://cpeditor.org) #include <bits/stdc++.h> #define pb push_back #define eb emplace_back ...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
d0b194a4da4e3a825c16a4e9afc30df0
2,600
PASSED
#include <cstdio> #include <utility> #include <algorithm> using namespace std; const int MAXN = 2e5; int n, a, b; int f[MAXN + 5], c[MAXN + 5]; int pre[MAXN + 5], suf[MAXN + 5]; int top1 = 0x7fffffff, top2 = 0x7fffffff, sz1, sz2, s1, s2; int Ans = 0; int main() { scanf("%d", &n); for ...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
03fbd59493edaf0eaebfcf411b3fd99a
2,600
PASSED
#include <bits/stdc++.h> #define rep(i,j,k) for(int i=(j);i<=(k);i++) #define per(i,j,k) for(int i=(j);i>=(k);i--) #define ll long long #define ull unsigned long long #define db double #define mem(a,b) memset(a,b,sizeof(a)) #define mpy(a,b) memcpy(a,b,sizeof(b)) #define dbg(...) cerr<<"#"<<__LINE__<<": "<<__VA_...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
9593790530e5d93695c2506e872f8b48
2,600
PASSED
#include<bits/stdc++.h> using namespace std; const int N = 444444; int n,a[N],f[N],b[N],g[N]; int main(){ int i,x,y,o,s,t,u; scanf("%d",&n); for(i=1;i<=n;i++){ scanf("%d%d",&x,&y); if((x<=n)==(y<=n)){ printf("-1"); return 0; } a[x]=y,a[y]=x; f[x]=(x<y),f[y]=(x<y); } for(i=1;i<=n;i++) b[i]=a[n+i];...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
f13659b51927368c1f63793f85ca6073
2,600
PASSED
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<int> ve(n + 1), c(n + 1), suffmax(n + 2), seq0, seq1; bool flag = true; for(int i = 0; i < n; i++) { int a, b; cin >> a >> b; int cost = 0; if(a > b) { cost...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
ae82aa15eb8ed273ed28eb9800c93d8a
2,600
PASSED
#include <bits/stdc++.h> using namespace std; #define fi first #define se second const int N = 4*1e5 + 10 ; pair<int ,int> ss[2*N+3]; int s[2*N+3]; int s1[2*N+3] ; int demtrai ; int demphai ; int n ; int f[2*N+3] ; vector< int > c ; vector< int > d ; int maxbt ; int dem1 ; int dem2 ; void thetrai( i...
C++
b1a59d0c59f3e8fd3bf76de6463c6847
09cc8375f6d8f6c742546fc03f77455b
2,600
PASSED
#include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> //#pragma GCC target("avx,avx2,sse2,ssse3,popcnt") //#pragma GCC optimize("-Ofast") //#pragma GCC optimize("-O3") //#pragma GCC optimize("unroll-loops") #define fi first #define se second #define all(x) (x)....
C++
b1a59d0c59f3e8fd3bf76de6463c6847
b5fa1c3892ff3d3efd338aeeb3e6a287
2,600
PASSED
#include <bits/stdc++.h> #define ll long long #define ok cout<<"YES\n"; #define no cout<<"NO\n"; #define For(i) for(ll i = 0; i < n; i ++) #define For(s) for(ll j = 0; j < s.size(); j ++) #define For(j) for(ll j = 0; j < m; j ++) using namespace std; void sol(){ ll n; cin >> n; string s; ...
C++
fa761cd247a815f105668b716c20f0b4
a173fc16031a9ce468cdbd19a56ed601
800
PASSED
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define all(x) x.begin(),x.end() #define vi vector<int> #define vl vector<ll> #define rep(i,a,b) for(int i=(a);i<(b);i++) #define yes cout<<"YES\n"; #define no cout<<"NO\n"; #define lin "\n" #define pb push_back #defin...
C++
fa761cd247a815f105668b716c20f0b4
aa348781763ecfebd582d009101e4fa8
800
PASSED
#include<bits/stdc++.h> using namespace std; int main(){ int t; cin>>t; while(t--) { int n ;cin>>n; string s; cin>>s; int temp = s.size(); int cnt =0; temp = temp/2; // cout<<temp<<endl; for(int i =temp-1;i>=0 ;i--) { if(s[i]==s[temp]) { cnt=...
C++
fa761cd247a815f105668b716c20f0b4
24888192311e61ba26eac12af17740e8
800
PASSED
#include<bits/stdc++.h> using namespace std; int main(){ int t; cin>>t; while(t--) { int n ;cin>>n; string s; cin>>s; int temp = s.size(); int cnt =2; temp = temp/2; // cout<<temp<<endl; for(int i =temp-1;i>=0 ;i--) { if(s[i]==s[temp]) { cnt=...
C++
fa761cd247a815f105668b716c20f0b4
2b890fbec52f14891083f984a0cf2984
800
PASSED
#include<bits/stdc++.h> using namespace std; int main(){ int t; cin>>t; while(t--) { int n ;cin>>n; string s; cin>>s; int temp = s.size(); int cnt =2; temp = temp/2; // cout<<temp<<endl; for(int i =temp+1;i<n ;i++) { if(s[i]==s[temp]) { cnt=c...
C++
fa761cd247a815f105668b716c20f0b4
22cd11f2f220626f80f728a1a7964423
800
PASSED
#include<bits/stdc++.h> using namespace std; bool pal(string s) { int start=0;int end=s.size()-1; while(start<end) { if(s[start]!=s[end]) { return false; } start++; end--; } return true; } void solve() { int n; cin>>n; string s; cin>>s; int count=0; for(int i=0;i<n;i++) { string s1=s.substr(i...
C++
fa761cd247a815f105668b716c20f0b4
9d00b22808d568c180f4852202abb3b9
800
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int t; cin>>t; for(int i=0;i<t;i++) { int n; cin>>n; string s; cin>>s; int ans=0; if(n%2!=0) { ans=1; for(int j=(n/2)-1;j>=0;j--) { ...
C++
fa761cd247a815f105668b716c20f0b4
e7051719f3ee1155515fcb1b3b05a4ca
800
PASSED
#include<bits/stdc++.h> #define endl '\n' using namespace std; string palindrome(string y) { int i,j,n,y1; n=y.length(); for(i=0;i<n;i++) { y[i]=y[n-i-1]; } return y; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t; cin>>t; while(t--) { int n,i,j,add=0,k,...
C++
fa761cd247a815f105668b716c20f0b4
5bc4fc133e1fb87a2572f07675194d86
800
PASSED
#include<bits/stdc++.h> using namespace std; #define ll long long #define yes cout<<"YES"<<'\n'#define no cout<<"NO"<<'\n' #define forn(i, n) for (int i = 0; i < n; i++) int main() { ios::sync_with_stdio(false);cin.tie(0); int t; cin >> t; while (t--) { int n; cin >> n; ...
C++
fa761cd247a815f105668b716c20f0b4
72054973f9b3c86a2db8860f2be078a4
800
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; string a; cin >> a; int l = n / 2; int r = n / 2; while (a[l - 1] == a[l]) l--; while (a[r + 1] == a[r]) r++; cout << r - l + 1 << endl; } return 0; }
C++
fa761cd247a815f105668b716c20f0b4
8a4f9f96c9f2e522f2ed126e3ae178f2
800
PASSED
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast,unroll-loops") #define ll long long #define lli long long int #define ld long double #define ull unsigned long long #define ulli unsigned long long int #define PI 3.1415926535897932384626433832795 #define sp ' ' #define pb push_back ...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
e56ba52598e4567cc3764c07aa09db0e
1,100
PASSED
#include<bits/stdc++.h> using namespace std; const int MAXN=2e5+10; int a[MAXN]; int n; //int bin[]={1 ,2, 4, 8 ,16, 32, 64, 128, 256, 512, 1024, 2048, 4096 ,8192, 16384, 32768 ,65536, 131072}; int main() { ios::sync_with_stdio(false); cin.tie(0),cout.tie(0); int t; cin>>t; while(t--) { cin>>n; ...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
493471cd09773c9555ed0b785bb1f913
1,100
PASSED
#include<bits/stdc++.h> using namespace std; int main() { int tc;cin>>tc; while(tc--) { int n;cin>>n; int arr[n]; vector<int>v; for(int i=0;i<n;i++) { cin>>arr[i]; if(arr[i]!=i)v.push_back(arr[i]); } int cnt=v[0]; for(auto it:v) cnt=cnt&it; cout<<cnt<<endl; } ...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
0327ec17c8e585d70a40a8668458c90a
1,100
PASSED
#include <bits/stdc++.h> using namespace std; #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 using ll = long long; const int inf = (int)1e9; const int MAX_N = 200100; void solve() { int n; cin>> n; ve...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
73fbe662adb3fc2267d8556bb9916bbc
1,100
PASSED
#include <bits/stdc++.h> using namespace std; #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 using ll = long long; const int inf = (int)1e9; const int MAX_N = 200100; void solve() { int n; cin>> n; ve...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
4935780bca5c2aa165a8082cd54a859a
1,100
PASSED
#include <bits/stdc++.h> using namespace std; #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 using ll = long long; const int inf = (int)1e9; const int MAX_N = 200100; void solve() { int n; cin>> n; ve...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
7da7d7f9885e5cfc29633064aedd0519
1,100
PASSED
#include <iostream> #include <set> using namespace std; int main() { int tests; cin>>tests; while(tests--) { int n, Result = -1; cin>>n; for(int i = 0; i<n; i++) { int x; cin>>x; if(x != i) { ...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
67da29fba43d222ace59e5866e40d894
1,100
PASSED
#include<iostream> #include<string> #include<cstring> #include<algorithm> #include<map> using namespace std; const int N=2e5+10; int n,a[N]; int main(){ //freopen("in.txt","r",stdin); int _; scanf("%d",&_); while(_--){ scanf("%d",&n); int res=(1<<30)-1; for(int i=0;i<n;i++){ scanf("%d",&a...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
749274826a19f941b2bf7322711dc572
1,100
PASSED
#include<bits/stdc++.h> #include <iostream> #include <algorithm> #include <string> using namespace std; typedef long long ll; void swap (char *a,char *b) { char *temp; temp = a; a = b; b = temp; } int binarysearch(vector<ll> arr, ll l, ll r, ll x) { if (r >= l) { int mid = l + (r - l) / 2...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
43d23db0251c2c31cc5de7ffa102bcb0
1,100
PASSED
#include<bits/stdc++.h> using namespace std; int a[2 * 100010]; int b[2 * 100010]; int main() { int T;cin>>T; while(T--) { int i;cin>>i; for(int j = 0;j < i;j++) { cin>>a[j]; b[j] = a[j]; } sort(a,a+i); int X = -1; for(int j = 0;j < i;j++) { ...
C++
dea37a75a4aedd3a3a6fd51efdc3f8b2
e1879aaf336fdb1d3727493d6928cb76
1,100
PASSED
#include <complex> #include <queue> #include <set> #include <unordered_set> #include <list> #include <chrono> #include <random> #include <iostream> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <map> #include <unordered_map> #include <stack> #include <iomanip> #inclu...
C++
68b7567880b9980d793dae2bce690356
a43f23f5cfa4fe82dd7ca71070d96abc
1,400
PASSED
#include <iostream> #include <algorithm> #include <string> #include <vector> #include <unordered_map> #include <functional> using namespace std; const int N = 200005; int T, n; int ss[N]; int main() { ios::sync_with_stdio(false); unordered_map<int, int> vv; cin >> T; while (T--) { cin >> n...
C++
68b7567880b9980d793dae2bce690356
19799b79809c5b810e6cbafad1a9de22
1,400
PASSED
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<vector> #include<queue> #include<set> #include<map> #define pii pair<int,int> #define fi first #define se second #define debug printf("++ ++\n"); using namespace std; typedef long long ll; const int INF = 0x3f3f3f3f; const...
C++
68b7567880b9980d793dae2bce690356
098ccc570c017fbbe8975f1f6d2c044d
1,400
PASSED
/* Author: Tangerine itracers.xyz */ #define _CRT_SECURE_NO_WARNINGS #include <iostream> #include <cstring> #include <iomanip> #include <string> #include <stdio.h> #include <math.h> #include <algorithm> #include <vector> #include <map> #include <set> #include <stack> #include <queue> using namespace ...
C++
68b7567880b9980d793dae2bce690356
c5d18b69d5459d87019866a78d192336
1,400
PASSED
#include <iostream> #include <vector> #include <algorithm> #include <unordered_map> using namespace std; using ll = long long; int main() { size_t count_tests; cin >> count_tests; while (count_tests--) { int n; cin >> n; unordered_map<int, int>mp; for (int i = 0; i < n; ++i) { int va...
C++
68b7567880b9980d793dae2bce690356
af054a980110a28e9485cdd45351353f
1,400
PASSED
#include <iostream> #include <vector> #include <algorithm> #include <string> using namespace std; #define cout cout << '\t' int nod(int a, int b) { return b ? nod(b, a % b) : a; } int nok(int a, int b) { return a / nod(a, b) * b; } void solve() { int n; cin >> n; vector<int> a(n), x, y; ...
C++
68b7567880b9980d793dae2bce690356
563c0fd878e94486b72118c24277d182
1,400
PASSED
#include <iostream> #include <fstream> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <string> #include <map> #include <set> #include <bitset> #include <iomanip> #include <cmath> typedef long long ll; using namespace std; int t, n; int a[200000]; void main() { //...
C++
68b7567880b9980d793dae2bce690356
ff5ebd9d2c6c570994126ec20aa622b8
1,400
PASSED
#ifndef STRING #define STRING #include <map> #include <numeric> #include <iostream> #include <cstring> #include <sstream> #include <string> #include <cstdlib> #include <ctime> #include <algorithm> #include <string> #include <vector> #include <iterator> #include <deque> #include <iomanip> #include <lis...
C++
68b7567880b9980d793dae2bce690356
b1c62788c53efe508fdd11be303d41dd
1,400
PASSED
#include <iostream> #include <algorithm> using namespace std; int a[200007]; int main() { int t, n, x, m; cin >> t; while (t--) { cin >> n; x = 0, m = 0; for (int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); for (int i = 0; i < n; i++) { if (!(a[i] == a[i - 2] && i >= 2)) x++; if ((a[i]...
C++
68b7567880b9980d793dae2bce690356
d97c01b078edb2178456604ea6423cd3
1,400
PASSED
#include <iostream> #include <string> #include <vector> #include <set> #include <map> #include <utility> #include <algorithm> #include <math.h> #include <numeric> #include <queue> #include <climits> using namespace std; int n, m, i, j, k; string s; void solve(int T) { cin >> n; vector<int...
C++
68b7567880b9980d793dae2bce690356
e6249ef3c08bece394ff71584aa257bd
1,400
PASSED
#include<bits/stdc++.h> //#define int long long #define ll long long //#define x first //#define y second #define all(v) v.begin(),v.end() #define mem(x,y) memset(x,y,sizeof(x)) #define rb ios::sync_with_stdio(false),cin.tie(0),cout.tie(0) using namespace std; const int mod=998244353; #define debug(args...) {...
C++
65bb0f28d079ca94751048d326b3e1f1
5f110147c80740baa921c94ce6918d1b
2,000
PASSED
#include<queue> #include<stdio.h> #include<math.h> #include<algorithm> #include<string.h> #include<set> using namespace std; typedef long long ll; typedef pair<int,int> P; const int N=2e5+10; char s[N]; vector<int> v; int a[N],c[N],fa[N]; int find(int x){ if(x==fa[x]) return x; return fa[x]=find(fa[x])...
C++
65bb0f28d079ca94751048d326b3e1f1
946454e1919058a247d7776f5bde53de
2,000
PASSED
#include<bits/stdc++.h> using namespace std; typedef long long ll; const ll mod=1e9+7; const int N=2e5+10; int n,k; int a[N]; void solve() { cin>>n; string s; cin>>s; int p,rr=0; for(int i=0;i<s.size();i++) if(s[i]=='1')a[i]=1,rr++,p=i; else a[i]=0; if(rr<2||rr%2) { cout<<"NO\...
C++
65bb0f28d079ca94751048d326b3e1f1
c0d3d5e7522e0e11748edd1682b2ad5d
2,000
PASSED
#include <bits/stdc++.h> #define FIO freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #define ull unsigned long long #define ll long long #define ld long double #define sint short int #define f first #define s second #define INF 1e17 #define eps 0.0000000001 using namespace std; void ci...
C++
65bb0f28d079ca94751048d326b3e1f1
6a0fba5f03ae27ace111cb72d35e67fc
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
d691a3d79b4e96af6db82c8bc9fbcd57
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
16ec36859604ca6cb57573719b9c89f7
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
04402306d2f52ba0d97de681834b38d2
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
9ee91ff99a7c7ad30e981a91f8df4d1d
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
87440175be0c9ea2b0bdc4ea75cb7d87
2,000
PASSED
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #define F(i, a) for (int i = 0; i < a; ++i) #define F1(i, a, b) for (int i = a; i < b; ++i) #defin...
C++
65bb0f28d079ca94751048d326b3e1f1
5f13ee143b9b1d7a82acd4216b063c2c
2,000
PASSED
#include <algorithm> #include <bitset> #include <map> #include <vector> #include <string> #include <cstring> #include <iostream> #include <ctime> #include <cmath> #include <stack> #include <set> #include <queue> #include <array> /* #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/hash_policy.hpp> */ using nam...
C++
0da021cfe88c5a333db99064de12acbf
c4f0e7011c26ebbbf0f5896f0c521181
2,700
PASSED