| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1145211 | Robert_junior | Football (info1cup20_football) | C++20 | 18 ms | 328 KiB |
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 2e5 + 7;
int a[N];
void solve(){
int n, k;
cin>>n>>k;
for(int i = 1; i <= n; i++){
cin>>a[i];
}
for(int j = 0; (1<<j) <= k; j++){
int sum = 0;
for(int i = 1; i <= n; i++){
sum += a[i] / (1<<j);
}
if(sum % 2 == 1){
cout<<1;
return;
}
}
cout<<0;
}
signed main(){
ios_base :: sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int t = 1;
cin>>t;
while(t--){
solve();
}
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