Klassy

#include <iostream>
#include <cmath>
using namespace std;

class Dot
{
private:
	double x;
	double y;

public:

	void set_x(double x) {
		this->x = x;
	}
	void set_y(double y) {
		this->y = y;
	}

	double get_x() {
		return this->x;
	}
	double get_y() {
		return this->y;
	}

	Dot(double x, double y) {
		this->x = x;
		this->y=y;
	}

	Dot() {
		this->x = 0;
		this->y = 0;
	}

	void print() {
		cout << "X: " << this->x << "Y: " << this->y << endl;
	}

	void make_dot_input() {
		cout << "Enter X: ";
		cin >> this->x;
		cout << "Enter Y: ";
		cin >> this->y;
		cout << endl;
	}

	double how_far(Dot A, Dot B) {
		double k = (pow((B.get_x() - A.get_x()), 2) + pow((B.get_y() - A.get_y()), 2));
		return sqrt(k);
	}

};

class Cilindr {
protected:
	Dot centre;
	Dot dot_in_circle;
	double height;

public:
	void set_centre(Dot A) {
		this->centre = Dot(A.get_x(), A.get_y());
	}
	void set_dot_in_circle(Dot A) {
		this->dot_in_circle = Dot(A.get_x(), A.get_y());
	}
	void set_height(double h) {
		this->height = h;
	}
	Dot get_centre() {
		return this->centre;
	}
	Dot get_dot_in_cirle() {
		return this->dot_in_circle;
	}
	double get_height() {
		return this->height;
	}

	Cilindr() {
		this->centre = Dot();
		this->dot_in_circle = Dot();
		this->height = 1;
	}
	Cilindr(Dot centre, Dot dot_in_circle, double h) {
		this->centre = centre;
		this->dot_in_circle = dot_in_circle;
		this->height = h;
	}

	void print() {
		cout << "Cilindr" << endl;
		centre.print();
		dot_in_circle.print();
		cout << "Height: " << this->height << endl;
	}

	void make_cilindr_input() {
		cout << "Enter height of new cilindr: ";
		cin >> this->height;
		centre.make_dot_input();
		dot_in_circle.make_dot_input();
		cout << endl;
	}


	double square_osnovaniya() {
		return pow(Dot().how_far(centre, dot_in_circle), 2) * 3.14;
	}

	double volume() {
		return this->square_osnovaniya() * this->height;
	}

	double square_bok_pov() {
		return 2 * 3.14 * Dot().how_far(centre, dot_in_circle) * height;
	}

	double len_circle() {
		return 2 * 3.14 * Dot().how_far(centre, dot_in_circle);
	}
};

int main()
{
	Cilindr A = Cilindr(Dot(0, 0), Dot(0, 1), 3);
	A.print();
	cout << "		SQUARE OSN		|		Volume	    |		Bok pov		|		Len		" << endl;
	cout <<"		" << A.square_osnovaniya() << "				" << A.volume() << "					" << A.square_bok_pov() << "				" << A.len_circle() << endl;
	A.make_cilindr_input();
	A.print();
	cout << "		SQUARE OSN		|		Volume	    |		Bok pov		|		Len		" << endl;
	cout << "		" << A.square_osnovaniya() << "				" << A.volume() << "					" << A.square_bok_pov() << "				" << A.len_circle() << endl;

}