MOJAB 24

#include <iostream>
#include <cmath>

class Point {
protected:
    double x, y;
public:
    Point(double x, double y) : x(x), y(y) {}
};

class Circle : public Point {
private:
    double radius;
public:
    Circle(double x, double y, double radius) : Point(x, y), radius(radius) {}

    double area() {
        return M_PI * radius * radius;
    }

    double perimeter() {
        return 2 * M_PI * radius;
    }

    bool contains(Point p) {
        double distance = sqrt(pow(p.x - x, 2) + pow(p.y - y, 2));
        return distance <= radius;
    }
};

int main() {
    Circle c(0, 0, 1);
    std::cout << "Area: " << c.area() << std::endl;
    std::cout << "Perimeter: " << c.perimeter() << std::endl;

    Point p(0.5, 0.5);
    if (c.contains(p)) {
        std::cout << "c contains p: true" << std::endl;
    } else {
        std::cout << "c contains p: false" << std::endl;
    }

    return 0;
}