第八周（项目一）——实现复数类中的运算符重载（1）。

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/*02.02.*烟台大学计算机学院学生03.03.*All right reserved.04.04.*文件名称*烟台大学计算机学院学生05.05.*All right reserved.06.06.*文件名称:实现复数类中的运算符重载（1）07.07.*作者：王洪海08.08.*完成日期：2013年4月15日09.09.*版本号：v1.010.10.*对任务及求解方法的描述部分：实现复数类中的运算符重载（1）11.11.*/#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){    Complex c;    c.real=real+c2.real;    c.imag=imag+c2.imag;    return c;}Complex Complex::operator-(Complex &c2){   Complex c;    c.real=real-c2.real;    c.imag=imag-c2.imag;    return c;}Complex Complex::operator*(Complex &c2){   Complex c;    c.real=real*c2.real;    c.imag=imag*c2.imag;    return c;}Complex Complex::operator/(Complex &c2){   Complex c;    c.real=real/c2.real;    c.imag=imag/c2.imag;    return c;}void Complex::display(){    cout<<"("<<real<<","<<imag<<"i)"<<endl;}//下面定义用于测试的main()函数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();    return 0;}

运行结果，如下图：

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