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  1. #include<iostream> 
  2. #include<cmath>
  3. using namespace std; 
  4.  
  5. int main(){ 
  6. 	int a, b; 
  7. 	cin>> a >> b; 
  8. 	if(a * 2 == b / 2){ 
  9. 		cout<< a * 2; 
  10. 		return 0;
  11. 	} 
  12. 	else if(b * 2 == a / 2){
  13. 		cout<< b * 2; 
  14. 		return 0;
  15. 	}
  16. 	else if(float(int(sqrt(a * b))) == sqrt(a * b)){
  17.       cout<< sqrt(a * b);
  18.       return 0;
  19.     }
  20. 	cout<< 0;
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4564KB
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Standard output is empty
https://ideone.com/4EfrKC
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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