Submission #1213543

#	Time	Username	Problem	Language	Result	Execution time	Memory
1213543		SnowRaven52	Football (info1cup20_football)	C++20	100 / 100	16 ms	480 KiB

football

#include <bits/stdc++.h>
using namespace std;

int main() {
   	cin.tie(0)->sync_with_stdio(false);
    long long t; cin >> t;
    while (t--){
        long long n, k; cin >> n >> k;
        long long p = 1;
        while(p < k + 1) p <<= 1;
        long long sm = 0;
        for(long long i = 0; i < n; i++){
            long long x; cin >> x;
            sm ^= (x % p);
        }
        if(sm == 0) cout << '0';
        else cout << '1';
    }
}

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8