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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. float testy;
  10. float wynik[100000];
  11. int main()
  12. {
  13.     cin >> testy;
  14.     int i;
  15.     for (int i=0; i<testy; i++)
  16.     {
  17.         cin >> proc[i] >> wtorn[i];
  18.         proc[i]=proc[i]*0.01;
  19.         wtorn[i]=wtorn[i]*0.01;
  20.     }
  21.     i=0;
  22.     for (int i=0; i<testy; i++)
  23.     {
  24.         wynik[i]=((1-(proc[i]*wtorn[i]))*100);
  25.  
  26.         if(wynik[i]-int(wynik[i]) == 0)
  27.         {
  28.             cout <<wynik[i] <<".00"<<endl;
  29.         }
  30.         else if(wynik[i]-int(wynik[i]) != 0)
  31.         {
  32.             cout <<setprecision(2)<<wynik[i]<<endl;
  33.         }
  34.  
  35.     }
  36. }
  37.  
Success #stdin #stdout 0s 17192KB
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https://ideone.com/VfeZ7m
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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