第八周任务（一）

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/* (程序头部注释开始)

* 程序的版权和版本声明部分

* 作者：杨继宇

* 完成日期： 2012年04 月11 日

* 版本号： 0000

* 对任务及求解方法的描述部分

* 输入描述：运算符重载

* 问题描述：

* 程序输出：

* 程序头部的注释结束

#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 &c2); Complex operator-(Complex &c2); Complex operator*(Complex &c2); Complex operator/(Complex &c2); void display();private: double real; double imag;};//下面定义成员函数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 );}void Complex ::display(){  cout<<"("<<real<<","<<imag<<")"<<endl;}int main(){ Complex c1(3,4),c2(5,-10),c3; cout<<"c1="; c1.display(); cout<<"c2="; c2.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(); c3=c1/c2; cout<<"c1/c2="; c3.display(); system("pause"); return 0;}