fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     long long n, *x;
  6.     cin >> n;
  7.     x = new long long[n];
  8.     for (int i = 0; i < n; i++)
  9.         cin >> x[i];
  10.     long res = 0;
  11.     for (int i = 0; i < n; i++)
  12. 		res ^= x[i];
  13.     cout << res;
  14.     delete []x;
  15.     return 0;
  16. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
https://ideone.com/Fi3igx
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!