Submission #389098

#	Time	Username	Problem	Language	Result	Execution time	Memory
389098		Alma	Football (info1cup20_football)	C++14	0 / 100	51 ms	1992 KiB

football

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

int e2 (int k) {
    int p = (int)log2(k);
    return (int)pow(2, p);
}
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int t, n, k, total;
    vector<int> v;
    cin >> t;
    while (t--) {
        cin >> n >> k;
        total = 0;
        v.assign(n, 0);
        for (int i = 0; i < n; i++) {
            cin >> v[i];
            total += v[i];
        }
        if (total % 2 == 1) {
            cout << 1;
            continue;
        }
        k = e2(k);
        while (k > 1) {
            for (int i = 0; i < n; i++) {
                total -= v[i] / k * k;
                v[i] -= v[i] / k * k;
            }
            k /= 2;
        }
        cout << !(total % 2);
    }
    cout << '\n';
    return 0;
}

• Subtask 1: 0 / 26
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8