Submission #1145213

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145213		Robert_junior	Football (info1cup20_football)	C++20	100 / 100	19 ms	600 KiB

football

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 2e5 + 7;
int a[N];
void solve(){
    int n, k;
    cin>>n>>k;
    for(int i = 1; i <= n; i++){
        cin>>a[i];
    }
    for(int j = 0; (1<<j) <= k; j++){
        int sum = 0;
        for(int i = 1; i <= n; i++){
            sum += a[i] / (1<<j);
        }
        if(sum % 2 == 1){
            cout<<1;
            return;
        }
    }
    cout<<0;
}
signed main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t = 1;
    cin>>t;
    while(t--){
        solve();
    }
}

• 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