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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct B {
  5. 	virtual void f(){}
  6. };
  7.  
  8. struct C: public B {
  9. 	virtual void f(int) {}
  10. };
  11.  
  12. struct D: public C {
  13.  
  14. };
  15.  
  16.  
  17. int main() {
  18. 	D d;
  19. 	d.f(10);
  20. 	d.f();
  21. 	return 0;
  22. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:20:6: error: no matching function for call to ‘D::f()’
  d.f();
      ^
prog.cpp:9:15: note: candidate: virtual void C::f(int)
  virtual void f(int) {}
               ^
prog.cpp:9:15: note:   candidate expects 1 argument, 0 provided
stdout
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Standard output is empty
https://ideone.com/7hKpaD
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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