Submission #1317585

#	Time	Username	Problem	Language	Result	Execution time	Memory
1317585		g31nius	XOR Sum (info1cup17_xorsum)	C++20	7 / 100	1694 ms	5300 KiB

xorsum

#include <iostream>
#include <map>

using namespace std;

int i, j, n, v[1000001], aux1, aux2;
long long sum;

map <int, int> mp; 

int main() 
{
    cin >> n;

    for ( i = 1; i <= n; i++ ) {
        cin >> v[i];
        mp[v[i]]++;
    }
    if ( n < 1000001 ) {
        for ( i = 1; i <= n; i++ ) {
            for ( j = i; j <= n; j++ ) {
                aux1 = ( v[i]+v[j] );
                sum = ( sum ^ aux1 );
            }
        }
        cout << sum;
    }
    
    return 0;
}

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