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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. void func(int n){
  5. 	int count=0;
  6. 	for(int i=1;i<(n-1);i++){
  7. 		for(int j=i+1;j<n;j++){
  8. 			if((i^j)>n) count++;
  9. 		}
  10. 	}
  11. 	cout<<count<<endl;
  12.  
  13. }
  14. int main()
  15. {
  16. 	int t;
  17. 	cin>>t;
  18. 	int n;
  19. 	for(int i=0;i<t;i++){
  20. 		cin>>n;
  21. 		func(n);
  22.  
  23. 	}
  24.     return 0;
  25. }
  26.  
  27.  
Success #stdin #stdout 0s 3464KB
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https://ideone.com/jHKWuK
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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