#include<iostream>

using namespace std;

class A
{
public:
	virtual ~A() {cout << "A's Destructor" << endl;}
	virtual fun(){};
};

class B : public A
{
public:
	B(){x = 0;}
	virtual ~B(){cout << "B's Destructor" << endl;}
	virtual fun(){x++;}
	int x;
};

class C
{
public:
	C(){x = 0;}
	void fun(){x++;}
	int x;
};

void main()
{
	const int ITERATIONS = 500000000;

	A* a1 = new B;

	//dynamic binding causes the program to run slower
	//than static binding.  This proves it.

	cout << "Start Dynamic Binding Loop" << endl;

	for (int i = 0; i < ITERATIONS; i++)
	{
		//dynamic binding
		a1->fun();
	}
	cout << "End Dynamic Binding Loop" << endl;

	C* c = new C;

	cout << "Start Static Binding Loop" << endl;
	for (int i = 0; i < ITERATIONS; i++)
	{
		//static binding
		c->fun();
	}
	cout << "End Static Binding Loop" << endl;

}