Submission #780940

#	Time	Username	Problem	Language	Result	Execution time	Memory
780940		Andrey	Football (info1cup20_football)	C++14	100 / 100	49 ms	5236 KiB

football

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

long long n;

bool calc(vector<long long> haha, long long k) {
    long long sb = 0;
    for(long long i = 0; i < n; i++) {
        sb+=haha[i];
    }
    if(sb%2 == 1) {
        return 1;
    }
    if(k == 1) {
        return 0;
    }
    for(long long i = 0; i < n; i++) {
        haha[i]/=2;
    }
    return calc(haha,k/2);
}

void solve() {
    long long k;
    cin >> n >> k;
    vector<long long> haha(n);
    for(long long i = 0; i < n; i++) {
        cin >> haha[i];
    }
    if(calc(haha,k)) {
        cout << 1;
    }
    else {
        cout << 0;
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long t;
    cin >> t;
    while(t--) {
        solve();
    }
    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