// inherit16.cpp  		By: Aiman Hanna -  ©1993-2005 Aiman Hanna

// This program illustrates more on inheritance and virtual functions 
// in the inheritance tree.


#include <iostream.h>

class A
{
	public:
		void fun() {cout << "A" << endl;};
	
};

class B : public A 
{
	public:
		virtual void fun() {cout << "B" << endl;}; // The function is made virtual here
	
};

class C : public B 
{
	public:
		 void fun() {cout << "C" << endl;};

};

int main()
{

	
	B *b1;
	b1 = new C();
	b1 -> fun();
	delete b1;
	

	A *a1;
	a1 = new C();    
					
	
	a1 -> fun();

	delete a1; 

	return 0;
}

// Compilation Successful
// Program crashes after that when runs