//Virtual Function

#include <stdio.h>
#include<iostream>
using namespace std;

class BasicYes
{
public:
    virtual void show() { cout<<" In base class pointer. \n"; }
};

class derived: public BasicYes
{
public:

    void show ()
    { cout<< "In derived class" <<endl; }
};

int main(void)
{
    BasicYes *bp = new derived;
    bp->show();
    return 0;
}