:D

complex.h

#ifndef COMPLEX_H
#define COMPLEX_H


#endif // COMPLEX_H

class complex{
private:
    float x,y;
public:
    complex(int, int);
    ~complex();
    float modul();
    void citire();
    void afisare();
    complex operator +(complex);
    complex operator -(complex);
    complex operator *(complex);
    complex operator /(complex);
    complex operator !();
    complex operator ++();
    complex operator ++(int );
    complex operator --();
    complex operator --(int );
};




complex.cpp


#include "complex.h"
#include "iostream"
#include "math.h"

using namespace std;

complex::complex(float a, float b)
{
    x = a;
    y = b;
}

complex::~complex()
{
    cout<<"Am eliminat un obiect";
}

float complex::modul()
{
    return sqrt(x *x + y * y);
}

void complex::citire()
{
    cout<<"Dati partea reala"; cin>>x;
    cout<<"Dati partea imaginara"; cin>>y;
}

void complex::afisare()
{
    if(x !=0 )
        if(y != 0)
            cout<<x <<'+'<<y<<"i";
        else
            cout<<x;
    else
        if(y != 0)
            cout<<"i"<<y;
        else
            cout<<0;
}

complex complex::operator++(complex z)
{
    complex r;
    r.x = x + z.x;
    r.y = y + z.y;
    return r;
}

complex complex::operator--(complex z)
{
    complex r;
    r.x = x - z.x;
    r.y = y - z.y;
    return r;
}

complex complex::operator*(complex z)
{
    complex r;
    r.x = x * z.x - y * z.y;
    r.y = y * z.x + x * z.y;
    return r;
}

complex complex::operator/(complex z)
{
    complex r;
    if(z)
    {
        r.x = x * z.x + y * z.y;
        r.y = y * z.x + x * z.y;

        int numi = z.x * z.x + z.y * z.y;
        r.x = r.x / numi;
        r.y = r.y / numi;
    }
    return r;
}

complex complex::operator++()
{
    complex r;
    r.x = x + z.x;
    r.y = y + z.y;
    return r;
}