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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4.  
  5. int orSumOfPairs(int arr[] , int n){
  6. 	int ans = 0;
  7. 	for(int i=0;i<n-1;i++){
  8. 		for(int j=i+1;j<n;j++){
  9. 			ans += arr[i] | arr[j];
  10. 		}
  11. 	}
  12. 	return ans;
  13. }
  14.  
  15. int main() {
  16.     int n;
  17.     cin>>n;
  18.     int arr[n];
  19.     for(int i=0;i<n;i++){
  20.     	cin>>arr[i];
  21.     }
  22.  
  23. 	cout<<orSumOfPairs(arr,n);
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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8
0 1 1 0 0 0 1 1
stdout
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22
https://ideone.com/4cSJjT
language:
C++ (gcc 8.3)
created:
30 days ago
visibility:
public

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