제출 #1145211

#제출 시각아이디문제언어결과실행 시간메모리
1145211Robert_juniorFootball (info1cup20_football)C++20
43 / 100
18 ms328 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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