Function Overloading[C++]

#include <iostream>

using namespace std;

#define pi 3.141916
class fun
{
    public:
    void area(int);
    void area(int,int);
    void area(float,int,int);
};
void fun::area(int a)
{
    cout<<"Area of Circle: "<<pi*a*a;
}
void fun::area(int a,int b)
{
    cout<<"Area of Rectangle: "<<a*b;
}
void fun::area(float t,int a,int b)
{
    cout<<"Area of Triangle: "<<t*a*b;
}
int main()
{
    int a,b,r;
    fun obj;
    cout<<"\nEnter radius of the Circle: ";
    cin>>r;
    obj.area(r);
    cout<<"\nEnter sides of Rectangle: ";
    cin>>a>>b;
    obj.area(a,b);
    cout<<"\nEnter sides of Triangle: ";
    cin>>a>>b;
    obj.area(0.5,a,b);
}

     

           

Note: Need to be arranged in compiler after copied

   

 OutPut:

Enter radius of the Circle: 7
Area of Circle: 153.954
Enter sides of Rectangle: 5
5
Area of Triangle:25
Enter sides of Triangle:10
5
Area of Triangle:25