Submission #364290

#	Time	Username	Problem	Language	Result	Execution time	Memory
364290		Alexandruabcde	Football (info1cup20_football)	C++14	100 / 100	39 ms	1388 KiB

football

#include <iostream>

using namespace std;

int a[100005];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int T = 1;
    cin >> T;

    for (; T; -- T ) {
        int N, K;
        cin >> N >> K;

        for (int i = 1; i <= N; ++ i ) {
            cin >> a[i];
        }

        bool ans = 0;
        long long S = 0;
        for (int i = 1; i <= N; ++ i )
            S += 1LL * a[i];

        if (S % 2 == 1)
            ans = 1;

        while (K > 1 && !ans) {
            for (int i = 1; i <= N; ++ i )
                a[i] /= 2;

            long long sum = 0;
            for (int i = 1; i <= N; ++ i )
                sum += 1LL * a[i];

            if (sum % 2 == 1) {
                ans = 1;
                break;
            }

            K /= 2;
        }

        cout << ans;
    }
    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