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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int k=15;
  6.     double contrib=2,a,contrez=0;
  7.     double koef=1.0;
  8.     double usd=1.99/57;
  9.  
  10.     contrib=contrib*koef;
  11.     for(int i=0; i<k; i++)
  12.     {
  13.     	if(i<5)
  14.    		{
  15.    			contrez=contrez+contrib;
  16.    		}
  17.    		else
  18.    		{
  19.  
  20.    			contrib=contrib*0.9;
  21.    			contrez=contrez+contrib;
  22.    		}
  23.     }
  24.     double rez;
  25.     //rez=(k*usd)/contrez;
  26.     rez=(k*usd+(k*usd*0.008))/contrez;
  27.     cout << "контриб: " << contrez <<  endl;
  28.     cout << "copies: " << k << endl;
  29.     cout << "koef: " << rez << endl;
  30.     cout << "цена: " << k*usd ;
  31.     return 0;
  32. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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контриб: 21.7238
copies: 15
koef: 0.0242993
цена: 0.523684
https://ideone.com/9qd57p
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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