Submission #921388

#	Time	Username	Problem	Language	Result	Execution time	Memory
921388		maxFedorchuk	Football (info1cup20_football)	C++17	100 / 100	28 ms	2136 KiB

football

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

const long long MX=2e5+10;
long long a[MX];

void fun()
{
    long long n,k;
    cin>>n>>k;

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

    for(long long x=1,o=0;x<=k;x*=2,o=0)
    {
        for(long long i=1;i<=n;i++)
        {
            o^=(a[i]/x)&1;
        }

        if(o)
        {
            cout<<"1";
            return;
        }
    }

    cout<<"0";
}
int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    long long t;
    cin>>t;

    while(t--)
    {
        fun();
    }

    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