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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double R1,R2,R3; 
  7.     cin>>R1>>R2>>R3;  
  8.     cout<<round((R1*R2*R3)/(R1*R2+R1*R3+R2*R3)*1000)/1000;   
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 3464KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/E4HJOT
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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