제출 #1308442

#제출 시각아이디문제언어결과실행 시간메모리
1308442mxhrvsXOR Sum (info1cup17_xorsum)C++20
7 / 100
342 ms196608 KiB
#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";
}
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