Submission #208508

#	Time	Username	Problem	Language	Result	Execution time	Memory
208508		tamionv	Football (info1cup20_football)	C++17	100 / 100	321 ms	504 KiB

football

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

using ll = long long;
using cd = complex<double>;

int main(){
    int t;
    cin >> t;

    while(t--){
        int n, k;
        cin >> n >> k;
        assert(k <= 1e9);

        k = 1 << (32 - __builtin_clz(k));

        int r = 0;

        for(int y; n--; ){
            cin >> y;
            assert(y <= 1e9);
            r = (r ^ y) % k;
        }

        cout << (r != 0);
    }


    cout << '\n';
    return 0;
}

• 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