Submission #675354

#	Time	Username	Problem	Language	Result	Execution time	Memory
675354		uylulu	Football (info1cup20_football)	C++17	100 / 100	33 ms	596 KiB

football

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

#define ld long double
#define int long long
#define endl "\n"

const int N = 1e5;

int num[N + 1];

void solve() {
    int n,k;
    cin>>n>>k;

    for(int i = 1;i <= n;i++) {
        cin>>num[i];
    }
    for(int i = 0;(1<<i) <= k;i++) {
        int sum = 0,tmp = 1<<i;
        for(int j = 1;j <= n;j++) {
            sum += (num[j]/tmp);
        }
        if(sum%2) {
            cout<<1;
            return;
        }
    }
    cout<<0;
}

signed main() {
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    // freopen("in.txt","r",stdin);
    // freopen("out.txt","w",stdout);

    int 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