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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. class A{
  4.     public:
  5.     A(){
  6.         cout<<"A\n";
  7.     }
  8.  
  9. };
  10. class B: virtual public A{
  11.     public:
  12.     B(){
  13.         cout<<"B\n";
  14.     }
  15.  
  16. };
  17. class C: virtual public B{
  18.     public:
  19.     C(){
  20.         cout<<"C\n";
  21.     }
  22.  
  23. };
  24.  
  25. class D: virtual public A, virtual public B{
  26.     public:
  27.     D(){
  28.         cout<<"D\n";
  29.     }
  30.  
  31. };
  32.  
  33. class E{
  34.     public:
  35.     E(){
  36.         cout<<"E\n";
  37.     }
  38.  
  39. };
  40.  
  41. class F: public C, public D, public E{
  42.     public:
  43.     F(){
  44.         cout<<"F\n";
  45.     }
  46.  
  47. };
  48.  
  49. int main(){
  50.     F f;
  51.     return 0;
  52. }
  53.  
  54.  
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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A
B
C
D
E
F
https://ideone.com/EMebSF
language:
C++ (gcc 8.3)
created:
13 hours ago
visibility:
public

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