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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n ; cin>>n ;
  7. 	int arr[n];
  8. 	for(int i =0;i<n;i++){
  9. 		cin>>arr[i];
  10. 	}
  11. 	for(int i =0;i<n-1;i++){
  12. 		for(int j =i+1;j<n;j++){
  13. 			cout<<"("<<arr[i]<<","<<arr[j]<<") ";
  14. 		}
  15. 		cout<<endl;
  16. 	}
  17.  
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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6
2 3 4 5 6 7
stdout
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(2,3) (2,4) (2,5) (2,6) (2,7) 
(3,4) (3,5) (3,6) (3,7) 
(4,5) (4,6) (4,7) 
(5,6) (5,7) 
(6,7)
https://ideone.com/QQsD1p
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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