题目要求如下:
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代码如下:
/*
* Copyright (c) 2013, 烟台大学计算机学院
* All rights reserved.
* 作 者: 沈远宏
* 完成日期:2014 年06月24日
* 版 本 号:v1.0
* 问题描述:Description
定义一个复数类Complex,重载运算符“+”,“-”,“*”,“/”,使之能用于复数的加、减、乘、除。运算符重载函数作为Complex类的成员函数。编写程序,分别求两个复数之和、差、积和商。
Input
两个复数
Output
两个复数之和、差、积和商
*/
//前置代码及类型定义已给定如下,提交时不需要包含,会自动添加到程序前部
#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(double r,double i):real(r),imag(i){}
Complex Complex::operator+(Complex &c2)
{
return Complex(real+c2.real,imag+c2.imag);//**********注意return后面的Complex;*********
}
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,real*c2.imag+imag*c2.real);
}
Complex Complex::operator/(Complex &c2)
{
return Complex((real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag),(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag));
}
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
//主函数已给定如下,提交时不需要包含,会自动添加到程序尾部
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;
}
运行结果:
OJ要求结果输出例样: