#include #include class Point { protected: int x, y; public: Point(int x0 = 0, int y0 = 0) : x(x0), y(y0) {} Point(const Point &p) : x(p.x), y(p.y) {} virtual ~Point() {} const Point& operator=(const Point &p) { if (this != &p) { x = p.x; y = p.y; } return *this; } int getX() { return x; } int getY() { return y; } void setX(int x0) { x = x0; } void setY(int y0) { y = y0; } virtual void print() { printf("Point\n"); } }; class Circle: public Point { private: int r; public: Circle(Point p, int r0 = 0) : Point(p), r(r0) {} Circle(int x0 = 0, int y0 = 0, int r0 = 0) : Point(x0, y0), r(r0) {} virtual ~Circle() {} const Circle& operator=(const Circle &c) { if (this != &c) { x = c.x; y = c.y; r = c.r; } return *this; } int getR() { return r; } void setR(int r0) { r = r0; } virtual void print() { printf("Circle\n"); } }; int main() { Point *p = new Point(); Point *c = new Circle(); p->print(); c->print(); delete p; delete c; return EXIT_SUCCESS; }