prak 2.15

#include <iostream>
#include <math.h>
using namespace std;

class point
{
private:
    float x, y;
public:
    point(float X, float Y) { x = X, y = Y; } //конструктор
    point() { x = 0., y = 0.; } //конструктор по умолчанию (когда не подается никаких нач значений)
    float getx() { return x; }
    float gety() { return y; }
    void input() { cin >> x >> y; }
    void output() { cout << "(" << x << ";" << y << ")\n"; }
    ~point() { cout << "Point was deleted.\n"; } //деструктор (очищает память после использования переменной типа класса)
};
class ring
{
private:
    float x0, y0, r1, r2;
public:
    ring(float X0, float Y0, float R1, float R2) { x0 = X0, y0 = Y0, r1 = min(R1, R2), r2 = max(R1, R2); }
    ring() { x0 = 0., y0 = 0., r1 = 0., r2 = 0.; }
    float getx() { return x0; }
    float gety() { return y0; }
    float getr1() { return r1; }
    float getr2() { return r2; }
    void input() { cin >> x0 >> y0 >> r1 >> r2; if (r1 > r2) swap(r1, r2); }
    void output() { cout << "Center: (" << x0 << ";" << y0 << "), inner radius " << r1 << ", outer radius " << r2 << "\n"; }
    ~ring() { cout << "Ring was deleted.\n"; }

    int p_in_r(point p)
    {
        float x, y, h;
        x = p.getx();
        y = p.gety();
        h = sqrt((x - x0) * (x - x0) + (y - y0) * (y - y0));
        if (h <= r2 && h >= r1) return 1;
        return 0;
    }
};

int f_p_in_r(point p, ring r)
{
    float x, y, x0, y0, h, r1, r2;
    x = p.getx();
    y = p.gety();
    x0 = r.getx();
    y0 = r.gety();
    r1 = r.getr1();
    r2 = r.getr2();
    h = sqrt((x - x0) * (x - x0) + (y - y0) * (y - y0));
    if (h <= r2 && h >= r1) return 1;
    return 0;
}

int main()
{
    int res1, res2;
    point A;
    ring B;

    A.input();
    B.input();
    A.output();
    B.output();
    res1 = B.p_in_r(A);
    res2 = f_p_in_r(A, B);

    if (res1) cout << "Point is in ring.\n";
    else cout << "Point is not in ring.\n";
    if (res2) cout << "Point is in ring.\n";
    else cout << "Point is not in ring.\n";

    return 0;
}