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/*
*程序的版权和版本声明部分：
*Copyright(c)2014，烟台大学计算机学院学生
*All rights reserved.
*文件名称
*作者：席翱翔
*完成日期：2014 年 6月 12日
*版本号：v1.0
*对任务及求解方法的描述部分：
*输入描述:
*问题描述：
*程序输出：
*问题分析：
*算法设计：
*/
#include <iostream>

#include <iomanip>

using namespace std;

class Complex

{

public:

    Complex();

    Complex(double r,double i);

    Complex operator+(Complex &c2);

    Complex operator-(Complex &c2);

    Complex operator*(Complex &c2);

    Complex operator/(Complex &c2);

    void display();

private:

    double real;

    double imag;

};
Complex::Complex():real(0),imag(0) {}
Complex::Complex(double r,double i)
{
    real=r;
    imag=i;
}
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)
{
    Complex c;
    c.real=real*c2.real-imag*c2.imag;
    c.imag=real*c2.imag+imag*c2.real;
    return c;
}
Complex Complex::operator/(Complex &c2)
{
    Complex c;

    c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);


    c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);

    return c;

}
void Complex::display()
{
    if(imag<0)
   {
       cout<<"("<<real<<","<<imag<<"i)"<<endl;
   }
    else
  {
        cout<<"("<<real<<","<<imag<<"i)"<<endl;
  }

}
int main()

{

    double real,imag;

    cin>>real>>imag;

    Complex c1(real,imag);

    cin>>real>>imag;

    Complex c2(real,imag);

    cout<<setiosflags(ios::fixed);

    cout<<setprecision(2);

    Complex c3=c1+c2;

    cout<<"c1+c2=";

    c3.display();

    c3=c1-c2;

    cout<<"c1-c2=";

    c3.display();

    c3=c1*c2;

    cout<<"c1*c2=";

    c3.display();

    c3=c1/c2;

    cout<<"c1/c2=";

    c3.display();

    return 0;

}

结果：