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  1. #include <iostream>
  2. #include <limits>
  3. using namespace std;
  4.  
  5. int calculate(unsigned int a)
  6. {
  7. 	int count = 0;
  8. 	while(a != 0)
  9. 	{
  10. 		if((a & 0x1) != 0) ++count;
  11. 		a >>= 1;
  12. 	}
  13. 	return count;
  14. }
  15.  
  16. int main() {
  17. 	// your code goes here
  18. 	std::cout << calculate(10) << std::endl;
  19. 	std::cout << calculate(7) << std::endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3296KB
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stdin 
Standard input is empty
stdout 
2
3
-2147483648
2147483648
1
https://ideone.com/OQ5fTg
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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