Submission #1315210

#	Time	Username	Problem	Language	Result	Execution time	Memory
1315210		takoshanava	XOR Sum (info1cup17_xorsum)	C++20	0 / 100	163 ms	396 KiB

xorsum

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define fs first
#define sc second
using namespace std;

signed main(){
    int n;
    cin >> n;
    int ans = 0;
    for(int i = 0; i < n; i++){
        int x;
        cin >> x;
        ans ^= 2*x;
    }
    cout << ans << endl;
}

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