NCP1fuo.CPP

// function overloding //
#include<iostream.h>
#include<conio.h>
void area(int);
void area(int,int);
void area(int);
void main()
{
	 int r,l,b,s;
	 clrscr();
	 cout<<"enter radius of circle";
	 cin>>r;
	 area(r);

	 cout<<"\n \n enter length of rectangle:";
	 cin>>l;
	 cout<<"enter breadth of rectangle:";
	 cin>>b;
	 area(l,b);

	 cout<<"\n \n enter side of square :";
	 cin>>s;
	 area(s);
	getch();
	}

	void area(int a)
	{
		 cout<<"area of circle is"<<3.14*a*a;
	}

	void area(int a,int b)
	{
		cout<<"area of rectangle is :"<<a*b;
	}

	void areaa(int a)
	{
		cout<<"area of square is :"<<a*a;
	}