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  1. #include<iostream>
  2. using namespace std;
  3. class A
  4. {
  5. public:
  6.      A(){ cout <<"1";}
  7. };
  8.  
  9. class B:  virtual A
  10. {
  11. public:
  12.     B(){cout <<"2";}
  13. };
  14.  
  15. class C:  B
  16. {
  17. public:
  18.    C() : A() {cout<<"3";}
  19. };
  20.  
  21.  
  22.  
  23. int main()
  24. {
  25.    C c1;
  26. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In constructor ‘C::C()’:
prog.cpp:18:10: error: ‘class A A::A’ is inaccessible within this context
    C() : A() {cout<<"3";}
          ^
prog.cpp:4:1: note: declared here
 {
 ^
stdout 
Standard output is empty
https://ideone.com/TFuvqf
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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