function overloading

 

# include<iostream>

using namespace std;

int area(int side)

{

 return side*side;

}

int area(int l , int b)

{

 return l*b;

}

int main()

{

        int (*p1)(int);

        int (*p2)(int,int);

        p1=area;

        p2=area;

        cout<<"Address of area(int)="<<p1<<endl;

        cout<<"Address of area(int,int)="<<p2<<endl;

        cout<<"\n";

        cout<<"Invoking area(int) via p1 "<<p1(20)<<endl;

        cout<<"Invoking area(int,int) via p2 "<<p2(10,20);

        return 0;

}