Submission #374628

#	Time	Username	Problem	Language	Result	Execution time	Memory
374628		Alex_tz307	Football (info1cup20_football)	C++17	100 / 100	40 ms	2156 KiB

football

#include <bits/stdc++.h>

using namespace std;

const int NMAX = 1e5 + 5;
int a[NMAX];

int solve(int N, int K) {
    int sum = 0;
    for(int i = 1; i <= N; ++i)
        sum = (sum + a[i]) % 2;
    if(K == 1 || sum)
        return sum;
    for(int i = 1; i <= N; ++i)
        a[i] >>= 1;
    return solve(N, K >> 1);
}

void test_case() {
    int N, K;
    cin >> N >> K;
    for(int i = 1; i <= N; ++i)
        cin >> a[i];
    cout << solve(N, K);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int T;
    cin >> T;
    for(int tc = 0; tc < T; ++tc)
        test_case();
}

• 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