#include <iostream>
using namespace std;

class base{
    public:
   virtual void print(){
    cout<<"this is the base class print function "<<endl;
    } 
   virtual void display(){
        cout<<"this is the base class display function "<<endl;
    }
};

class derived : public base{
    public:
    void print(){
    cout<<"this is the derived class print function "<<endl;
    } 
    void display(){
        cout<<"this is the derived class display function "<<endl;
    }
};

int main() {
    base *baseptr;
    derived d;
    baseptr=&d;
    
    baseptr -> print();
    baseptr -> display();
    return 0;
}