#ifndef POINT_H
#define POINT_H
class Point
{int x,y;
public:
Point (int=0,int=0);
void SetPoint(int,int);
int GetX(){return x;}
int GetY(){return y;}
void Print();
};
#endif
#include <iostream>
using namespace std;
#include "Point.h"
Point::Point(int a,int b){SetPoint(a,b);}
void Point::SetPoint(int a,int b)
{
x=a;
y=b;
}
#ifndef CIRCLE_H
#define CIRCLE_H
#include <iostream>
using namespace std;
#include "Point.h"
class Circle:public Point
{double radius;
public:
Circle(int x=0,int y=0,double r=0.0);
void SetRadius(double);
double GetRadius();
double Area();
};
#endif
#include <iostream>
using namespace std;
#include "Circle.h"
Circle::Circle(int a,int b,double r):Point(a,b){SetRadius(r);}
void Circle::SetRadius(double r){radius=(r>=0?r:0);}