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  1. #include <cstdio>
  2.  
  3. class A 
  4. {
  5. public:
  6. 	virtual void vf()=0;
  7. };
  8.  
  9. class B : public A
  10. {
  11. public:
  12. 	void vf()
  13. 	{
  14. 		printf("B::vf\n");
  15. 	}
  16. };
  17.  
  18. int main() 
  19. {
  20. 	//A a;
  21. 	B b;
  22. 	b.vf();
  23.  
  24. 	//A* pa= &a;
  25. 	A* pb= &b;
  26. 	//pa->vf();
  27. 	pb->vf();
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
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B::vf
B::vf
https://ideone.com/aXSHAD
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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