Submission #169533

#	Time	Username	Problem	Language	Result	Execution time	Memory
169533		Rouge_Hugo	XOR Sum (info1cup17_xorsum)	C++14	7 / 100	1685 ms	1760 KiB

xorsum

#include <bits/stdc++.h>
#define ll long long
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);

using namespace std;
int n;int a[1000009];
int main()
{fast;
    cin>>n;
    int x=0;
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        for(int j=0;j<=i;j++)
        {
            x^=(a[i]+a[j]);
        }
    }
    cout<<x;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 21
• Subtask 4: 0 / 38
• Subtask 5: 0 / 23