complex

#include <iostream>
#include <cmath>

// задача - реализовать класс комплексных чисел

class Complex {
private:
    double x, y;

public:
    Complex(double a = 0.0, double b = 0.0):
            x(a), y(b) {
    }

    double Re() {
        return x;
    }

    double Im() {
        return y;
    }
};
Complex operator+(Complex z1, Complex z2) {
    return {z1.Re() + z2.Re(), z1.Im() + z2.Im()};
}
Complex operator-(Complex z1, Complex z2) {
    return {z1.Re() - z2.Re(), z1.Im() - z2.Im()};
}
Complex operator*(Complex z1, Complex z2) {
    return {z1.Re()*z2.Re() - z2.Im()*z1.Im(), z1.Im()*z2.Re() + z2.Im()*z1.Re()};
}
Complex operator/(Complex z1, Complex z2) {
    return {(z1.Re()*z2.Re() + z2.Im()*z1.Im())/((z2.Re())*(z2.Re()) + (z2.Im())*(z2.Im())),
            (z2.Re()*z1.Im() - z1.Re()*z2.Im())/((z2.Re())*(z2.Re()) + (z2.Im())*(z2.Im()))};
}
Complex operator+(Complex z1) {
    return z1;
}
Complex operator-(Complex z1) {
    Complex minus_z1 = {-z1.Re(), -z1.Im()};
    return minus_z1;
}
bool operator==(Complex z1, Complex z2) {
    return (z1.Re() == z2.Re() && z2.Im() == z1.Im());
}
bool operator!=(Complex z1, Complex z2) {
    return (z1.Re() != z2.Re() || z2.Im() != z1.Im());
}

double abs(Complex z1) {
    double absolute = sqrt((z1.Re())*(z1.Re()) + (z1.Im())*(z1.Im()));
    return absolute;
}






int main() {
    Complex z(2, -3);
    Complex i(3, 4);
    Complex u = -i;
    std::cout << u.Re() << ' ' << u.Im() << 'i';
}