#include <iostream>
using namespace std;
 
class Base
{
	public:
		virtual ~Base() {}
};
 
class Derived: public Base
{
		int i;
	public:
		void funOne()
		{
			cout << "inside funOne()"  << endl ;
		}
		void funTwo()
		{
			cout << "inside funTwo()" << i << endl ;
		}
};
 
int main()
{
	Base* bptr = new Base;
	Derived* dptr = dynamic_cast<Derived*>(bptr);
 
	cout << dptr << endl;
	cout << bptr << endl;
 
	dptr->funOne(); // why this works?
	// dptr->funTwo(); // -> why this does NOT work? it throws exception
 
	int temp;
	cin >> temp;
 
	return 0;
}

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