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  1. #include <iostream>
  2.  
  3. class A;
  4. void l(A& f);
  5. class A{
  6. public:
  7.  
  8.     virtual void S(){std::cout <<"S A\n";}
  9.     void Z(){std::cout <<"Z A\n";}
  10. };
  11. class B:public A{
  12. public:
  13.     void S()  {std::cout <<"S B\n";}
  14.     void Z(){std::cout <<"Z B\n";}
  15. };
  16. int main() {
  17.     B d;
  18.     l(d);
  19.  
  20.  
  21.     return 0;
  22. }
  23.  
  24. void l(A& f){
  25.     f.S();
  26.     f.Z();
  27.  
  28. }
Success #stdin #stdout 0s 4472KB
comments (?)
stdin 
Standard input is empty
stdout 
S B
Z A
https://ideone.com/Sh0xc8
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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