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  1. #include<iostream>
  2. #include <iomanip>
  3. #include<vector>
  4.  
  5. int main(){
  6. 	long long num;
  7. 	std::vector<double> v;
  8. 	int count=0;
  9. 	while(std::cin>>num){
  10. 		if(num==0){
  11. 			v.push_back(num);
  12. 			}
  13. 	else{
  14. 	int i=0;
  15. 	double n=num/5;
  16. 	while(i<10000){
  17. 		n=n-(n*n-num)/(2*n);
  18. 		i++;
  19. 	}
  20. 	v.push_back(n);
  21. 	}
  22.  
  23. 	}
  24. 	for(int i=v.size()-1;i>=0;i--)
  25. 		std::cout<<std::fixed<<std::setprecision(4)<<v[i]<<std::endl;
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
9
stdout 
3.0000
https://ideone.com/9wZTk1
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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