Area Overloaded

// Area Overloaded.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream"
using namespace std;
#define phi 3.14
int area(int, int);
float area(int);
void main()
{
       int a, b, c, cho;
       cout << "\t What do you want to do?\n" << "\n";
       cout << "1. area of rectangle" << endl;
       cout << "2. area of circle" << endl;
       cout << "Choice:";
       cin >> cho;
       switch (cho)
       {
       case 1:
             cout << "Enter lengt and breath (with white space):";
             cin >> a >> b;
             cout << "Area of RECTANGLE:" << area(a, b);
             break;
       case 2:
             cout << "Enter radius:";
             cin >> c;
             cout << "Area of CIRCLE:" << area(c);
             break;
       }
       system("pause");
}
int area(int x, int y)
{
       return (x*y);
}
float area(int s)
{
       return (phi*s*s);
}




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