Write a program to perform Run time Polymorphism

/*
    Run time Polymorphism
*/
#include<iostream>
using namespace std;

class Base
{
    public:
            void display()
            {
                cout<<"\n\n Display of Base. ";
            }
            virtual void show()
            {
                cout<<"\n\n Show of Base. ";
            }
};

class Derived : public Base
{
    public:
            void display()
            {
                cout<<"\n\n Display of Derived. ";
            }
            void show()
            {
                cout<<"\n\n Show of Derived. ";
            }
};

int main()
{
    Base B;
    Derived D;

    Base *bptr;

    bptr=&B;
    cout<<"\n\n Pointer contain Base Class: ";
    bptr->display();
    bptr->show();


    bptr=&D;
    cout<<"\n\n Pointer contain Derived Class: ";
    bptr->display();
    bptr->show();

    return 0;
}

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