Submission #1140024

#	Time	Username	Problem	Language	Result	Execution time	Memory
1140024		Irate	XOR Sum (info1cup17_xorsum)	C++20	7 / 100	1696 ms	4164 KiB

xorsum

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

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