Derive the two classes son and daughter and demonstrate polymorphism in action

 Practical - 26

#include <iostream>
using namespace std;
class father
{
protected:
     int age;
public:
     father(int a)
     {
        age=a;
     }
    virtual void whoisme()
     {
     cout<<"\nI am father.My age is:"<<age;
     }
};

class son:public father
{
private:
     int ages;
public:
     son(int y,int x):father(x)
     {
     ages=y;
     }
     void whoisme()
     {
     cout<<endl<<"I am son.My age is: "<<ages;
     }
};
class daughter:public father
{
private:
     int aged;
public:
     daughter(int c,int l):father(l)
     {
     aged=c;
     }
     void whoisme()
     {
     cout<<endl<<"I am daughter.My age is: "<<aged;
     }
};
int main()
{
father f(55);
son s(2,24);
daughter d(1,25);
f.whoisme();
s.whoisme();
d.whoisme();
father *p;
p=&s;
p->whoisme();
p=&d;
p->whoisme();
return 0;
}