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  1. #include <iostream>
  2.  
  3. class A
  4. {
  5. protected:
  6.     int a_;
  7. };
  8.  
  9. class B: public A
  10. {
  11. public:
  12.     void print() { std::cout << a_ << std::endl; }
  13. };
  14.  
  15. class C: public B
  16. {
  17. public:
  18.     void print2() { std::cout << a_ << std::endl; }
  19. };
  20.  
  21. int main(int argc, char* argv[])
  22. {
  23.     B b;
  24.     C c;
  25.     b.print();
  26.     c.print2();
  27.  
  28.     return 0;
  29. }
Success #stdin #stdout 0.01s 2724KB
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https://ideone.com/lWL71q
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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