Submission #1308442

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308442		mxhrvs	XOR Sum (info1cup17_xorsum)	C++20	7 / 100	342 ms	196608 KiB

xorsum

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    int a[n+1];
    vector<int> v;
    for(int i = 1; i <= n; i ++){
        cin >> a[i];
    }
    for(int i = 1; i <= n; i ++){
        for(int j = i ; j <= n; j ++){
            v.push_back(a[i] + a[j]);
        }
    }
    int ans = 0;
    for(auto i : v) ans ^= i;

    cout << ans << "\n";
}

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