第八周任务1-2

程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
 * All rights reserved.
* 作 者： 于晓峰
* 完成日期： 2012年 4月9日
* 版 本 号： v1.2

#include <iostream>using namespace std;class Complex{public:Complex(){real=0;imag=0;}Complex(double r,double i){real=r;imag=i;}friend Complex operator+(Complex &c1,Complex &c2);friend Complex operator-(Complex &c1,Complex &c2);friend Complex operator*(Complex &c1,Complex &c2);friend Complex operator/(Complex &c1,Complex &c2);void display();private:double real;double imag;};//下面定义成员函数Complex operator + (Complex &c1,Complex &c2){return Complex(c1.real+c2.real,c1.imag+c2.imag);}Complex operator - (Complex &c1,Complex &c2){return Complex(c1.real-c2.real,c1.imag-c2.imag);}Complex operator * (Complex &c1,Complex &c2){return Complex(c1.real*c2.real,c1.imag*c2.imag);}Complex operator / (Complex &c1,Complex &c2){return Complex(c1.real/c2.real,c1.imag/c2.imag);}void Complex::display()  {      cout << "(" << real << "," << imag << "i)" << 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;}