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  1. #include <iostream>
  2. #include <cstdlib>
  3. using namespace std;
  4.  
  5. class ClassA
  6. {
  7.     public:
  8.         ClassA(int);
  9.         void print();
  10.     protected:
  11.         int plus;
  12. };
  13. class ClassB: public ClassA
  14. {
  15.     public:
  16.         ClassB(int,int);
  17.         void print();
  18.         void count();
  19.     private:
  20.         int minus;
  21. };
  22. ClassA::ClassA(int PLUS)
  23. {
  24.     plus=PLUS;      
  25. }
  26. void ClassA::print()
  27. {
  28.     cout << plus << endl;    
  29. }
  30. //////////////////////////////////////////////////////
  31. ClassB::ClassB(int PLUS, int MINUS) : ClassA(PLUS)
  32. {
  33.     minus=MINUS;      
  34. }
  35. void ClassB::print()
  36. {
  37.     ClassA::print();
  38.     cout << minus << endl;    
  39. }
  40. void ClassB::count()
  41. {
  42.     ++plus;
  43.     --minus;
  44. }
  45. int main()
  46. {
  47.     ClassB b(5,5);
  48.     b.print();
  49.  
  50.     b.count();
  51.     b.print();
  52.     return 0;
  53. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
5
5
6
4
https://ideone.com/LzKOZO
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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