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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6. 	int n;
  7. 	cin>>n;
  8. 	int a[n];
  9. 	for(int i=0;i<n;i++)
  10. 	{
  11. 		cin>>a[i];
  12. 	}
  13. 	int sum=0;
  14. 	for(int i=0;i<n;i++)
  15. 	{
  16. 		sum^=a[i];
  17. 	}	cout<<sum;
  18. 	// your code goes here
  19. 	return 0;
  20. }
Success #stdin #stdout 0.01s 5556KB
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stdin
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5 
1 4 6 4 1
stdout
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6
https://ideone.com/Ammf1j
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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