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  1. #include <iostream>
  2. #include <math.h>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. int testy;
  9.     cin>>testy;
  10.     for (int i=0; i<testy; i++)
  11.     {
  12.         int srednica,osoby,ciec;
  13.         float cm;
  14.         cin>>srednica>>osoby;
  15.         cm=(((srednica*M_PI)/osoby));
  16.         if (osoby%2==0)
  17.         {
  18.             ciec=(osoby/2);
  19.         cout<<fixed<<setprecision(3)<<cm<<" "<<ciec<<endl;
  20.         }
  21.         else
  22.         {
  23.             ciec=osoby;
  24.             cout<<fixed<<setprecision(3)<<cm<<" "<<ciec<<endl;
  25.         }
  26.     }
  27.     return 0;
  28. }
  29.  
Success #stdin #stdout 0s 15224KB
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https://ideone.com/WMCWJy
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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