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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct A
  5. {
  6. 	int a;
  7. 	void print_a()
  8. 	{
  9. 		std::cout << getA();
  10. 	}
  11. 	virtual int getA()
  12. 	{
  13. 		return a;
  14. 	}
  15. };
  16.  
  17. struct B : public A
  18. {
  19. 	float a;
  20. 	virtual float getA()
  21. 	{
  22. 		return a;
  23. 	}
  24. };
  25.  
  26. int main() {
  27. 	A a;
  28. 	a.a = 1;
  29. 	B b;
  30. 	b.a = 2.5;
  31. 	a.print_a();
  32. 	b.print_a();
  33. 	return 0;
  34. }
Compilation error #stdin compilation error #stdout 0s 3468KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:20:16: error: conflicting return type specified for 'virtual float B::getA()'
  virtual float getA()
                ^
prog.cpp:11:14: error:   overriding 'virtual int A::getA()'
  virtual int getA()
              ^
stdout
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Standard output is empty
https://ideone.com/9jMtGQ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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