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  1. #include <iostream>
  2. using namespace std;
  3. class A1{
  4.     public:
  5.         int data;
  6.         int get_data(){return data;}
  7.         void set_data(){data=50;}
  8.  
  9. };
  10. class A2 : public A1{
  11.     public:
  12.         int get_data(){return 22*10;}
  13. };
  14.  
  15. int main()
  16. {
  17.     A1 p1;
  18.     A2 *p2;
  19.     p2->set_data();
  20.     printf("%d\n",p1.get_data());
  21.     printf("%d\n",p2->get_data());
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5424KB
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https://ideone.com/aM73mI
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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