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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cmath>
  4. #include <limits>
  5.  
  6. using namespace std;
  7. float proc[200000];
  8. float wtorn[200000];
  9. int testy;
  10. float z[200000], q[200000];
  11. float wynik[100000];
  12. int main()
  13. {
  14.     cin >> testy;
  15.     int i;
  16.     for (int i=0; i<testy; i++)
  17.     {
  18.         cin >> proc[i] >> wtorn[i];
  19.     }
  20.     i=0;
  21.     for (int i=0; i<testy; i++)
  22.     {
  23.         z[i]=100-proc[i];
  24.         q[i]=z[i]*(1-(wtorn[i]*0.01));
  25.         wynik[i]=(100-q[i]);
  26.  
  27.         if(wynik[i]-int(wynik[i]) == 0)
  28.         {
  29.             cout <<wynik[i] <<".00"<<endl;
  30.         }
  31.         else if(wynik[i]-int(wynik[i]) != 0)
  32.         {
  33.             cout <<setprecision(4)<<wynik[i]<<endl;
  34.         }
  35.  
  36.     }
  37. }
  38.  
Success #stdin #stdout 0s 18744KB
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Standard input is empty
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Standard output is empty
https://ideone.com/zvN3WA
problem FR_07_04, based on SPOJ submission 19547784 (CPP), 2017-06-03 21:10:13
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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