제출 #691255

#제출 시각아이디문제언어결과실행 시간메모리
691255AiperiiiFootball (info1cup20_football)C++14
100 / 100
199 ms2080 KiB
#include <bits/stdc++.h>
using namespace std;
int main(){
    int t;
    cin>>t;
    while(t--){
        int n,k;
        cin>>n>>k;
        vector <int> a(n);
        for(int i=0;i<n;i++){
            cin>>a[i];
        }
        int win=0;
        for(int j=1;j<=k;j*=2){
            int num=0;
            for(int i=0;i<n;i++){
                num^=a[i] & j;
            }
            if(num){
                win=1;
            }
        }
        cout<<win;
    }
}
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