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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. class Derived;
  5.  
  6. class Base {
  7. private:
  8.     virtual void fun() { cout << "Base Fun"; }
  9. friend int main();
  10. };
  11.  
  12. class Derived: public Base {
  13. public:
  14.     void fun() { cout << "Derived Fun"; }
  15. };
  16.  
  17. int main()
  18. {
  19.    Base *ptr = new Derived;
  20.    ptr->fun();
  21.    return 0;
  22. }
  23.  
Success #stdin #stdout 0s 3428KB
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Standard input is empty
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Derived Fun
https://ideone.com/yrkL0J
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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