제출 #1325414

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1325414		zwezdinv	Football (info1cup20_football)	C++20	100 / 100	24 ms	504 KiB

football

#include <bits/stdc++.h>
using ll = long long;

signed main()
{
    std::cin.tie(nullptr)->sync_with_stdio(false);

    int tests;
    std::cin >> tests;
    while (tests--)
    {
        int n, k;
        std::cin >> n >> k;
        std::vector<int> a(n);
        for (auto& i : a) std::cin >> i;
        for (int h = 0; ; ++h) {
            int s = 0;
            for (int i = 0; i < n; ++i) {
                s ^= a[i] >> h & 1;
            }
            if (s & 1) {
                std::cout << "1";
                break;
            }
            if ((k >> h) == 1) {
                std::cout << "0";
                break;
            }
        }
    }
}

• 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