1.cpp

#include <iostream> 
using namespace std;
 class Complex 
  {public:    
   Complex()
   {real=0;imag=0;} 
      Complex(double r,double i)
	  {
	     real=r;imag=i;
	  } 
  double get_real(); 
  double get_imag();  
	  void display();
  private:    
	 double real; 
     double imag; 
 }; 
    double Complex::get_real()					
	      {return real;}  
	 double Complex::get_imag()
	 	  {return imag;}
 void Complex::display()
   {cout<<"("<<real<<","<<imag<<"i)"<<endl;}
   	  Complex operator + (Complex &c1,Complex &c2) 
	 {  
		  return  Complex(c1.get_real()+c2.get_real(),c1.get_imag()+c2.get_imag());
	 }  
  int main() 
	{
	Complex  c1(3,4),c2(5,-10),c3; 
	 c3=c1+c2;  
	cout<<"c3=";  
    c3.display();  
	return 0; 
	}