Submission #887001

#	Time	Username	Problem	Language	Result	Execution time	Memory
887001		Turcavid	Football (info1cup20_football)	C++14	0 / 100	2044 ms	440 KiB

football

#include <bits/stdc++.h>

using namespace std;

int32_t main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n, k0;
        cin>>n>>k0;
        bool ok=false;
        for(int i=0; i<32; i++)
        {
            int k=(1<<i);
            if(k0&k == 0)
                continue;
            int xsum=0;
            for(int i=1; i<=n; i++)
            {
                int a;
                cin>>a;
                int c=a/k;
                int r=a%k;
                if(c%2 == 1)
                {
                    c=k;
                }
                else
                {
                    c=0;
                }
                xsum=(xsum^(c^r));
            }
            if(xsum != 0)
                ok=true;
        }
        cout<<ok;
    }
    return 0;
}

Compilation message (stderr)

football.cpp: In function 'int32_t main()':
football.cpp:17:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   17 |             if(k0&k == 0)
      |                   ~~^~~~

• Subtask 1: 0 / 26
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8