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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <cmath>
  4.  
  5. using namespace std;
  6.  
  7.  
  8. int main()
  9. {
  10.  
  11.     int liczba;
  12.     int piatek;
  13.     int razem;
  14.  
  15.     cin>>liczba>>piatek;
  16.     int cyfr = (int)log10(liczba)+1;
  17.     int max1 = pow(10,cyfr);
  18.  
  19.     while(razem!=piatek)
  20.     {
  21.         razem=0; liczba++;
  22.         if(liczba%10==5) razem++;
  23.         for(int i1=10; i1<max1; i1*=10)
  24.         if(liczba/i1%10==5) razem++;
  25.     }
  26.  
  27.     cout<<liczba<<endl;
  28.  
  29.     return 0;
  30. }
  31.  
  32.  
Success #stdin #stdout 0s 15232KB
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https://ideone.com/qd2b5w
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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