Submission #418253

#	Time	Username	Problem	Language	Result	Execution time	Memory
418253		dolphingarlic	Football (info1cup20_football)	C++14	100 / 100	56 ms	2040 KiB

football

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

int cnt[100001];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int t;
    cin >> t;
    while (t--) {
        int n, k;
        cin >> n >> k;
        for (int i = 1; i <= n; i++) cin >> cnt[i];
        int winner = 0;
        for (int kk = 1; kk <= k; kk <<= 1) {
            ll nimber = 0;
            for (int i = 1; i <= n; i++) nimber ^= cnt[i] & kk;
            if (nimber) winner = 1;
        }
        cout << winner;
    }
    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