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  1. #include <iostream>
  2. #include <math.h>
  3. #include <iomanip>
  4.  
  5.  
  6. using namespace std;
  7.  
  8. int main()
  9. {
  10.     long double a,b,c,x;
  11.     cin>>a>>b>>c;
  12.     if (a==0 && b!=c) cout<<"BR"<<endl;
  13.     else if( a==0 && b==c) cout<<"NWR"<<endl;
  14.     else
  15.     {
  16.         x=(c-b)/a;
  17.         cout << setprecision(2) <<x<< endl;
  18.  
  19.     }
  20.  
  21.  
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 15240KB
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Standard input is empty
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-nan
https://ideone.com/9RVhcx
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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