4-2

#include <iostream>
using namespace std;
class Complex{
public:
	Complex()
	{
	 real=0;
	 imag=0;
	}
	Complex(double r,double i)
	{
	 real=r;
	 imag=i;
	}
    Complex operator +(Complex &);
	Complex operator -(Complex &);
	Complex operator *(Complex &);
	Complex operator /(Complex &);
	void display()
	{
	 cout<<"("<<real<<"+"<<imag<<"i)"<<endl;
	}
private:
	double real;
	double imag;
};
Complex Complex::operator +(Complex &c2)
{
 return Complex(real+c2.real,imag+c2.imag);
}
Complex Complex::operator -(Complex &c2)
{
 return Complex(real-c2.real,imag-c2.imag);
}
Complex Complex::operator *(Complex &c2)
{
 return Complex(real*c2.real,imag*c2.imag);
}
Complex Complex::operator /(Complex &c2)
{
 return Complex(real/c2.real,imag/c2.imag);
}
int main()
{
 Complex c1(2,4),c2(1,2),c3,c4,c5,c6;
 c3=c1+c2;
 cout<<"c3=c1+c2=";
 c3.display();
 c4=c1-c2;
 cout<<"c4=c1-c2=";
 c4.display();
 c5=c1*c2;
 cout<<"c5=c1*c2=";
 c5.display();
 c6=c1/c2;
 cout<<"c6=c1/c2=";
 c6.display();
 return 0;
}