/*
*Copyright (c) 2013 ,烟台大学计算机与控制工程学院
*All rights reserved.
*作者:王至超
*完成日期:2014年05月25
*版本号:v1.0
*问题描述:
*样例输入:
*样例输出:
*问题分析:用简单的方法,学会活学活用
*/
#include <iostream>
#include <iomanip>
using namespace std;
class Complex
{
public:
Complex():real(0),imag(0) {}
Complex(double r,double i):real(r),imag(i) {}
Complex operator+(Complex &);
Complex operator+(double &);
friend Complex operator+(double&,Complex &);
friend ostream& operator << (ostream& output, const Complex& c);
private:
double real;
double imag;
};
//将程序需要的其他成份写在下面,只提交begin到end部分的代码
//******************** begin ********************
Complex Complex:: operator+(Complex &c1)
{Complex c;
c.real=real+c1.real;
c.imag=imag+c1.imag;
return c;
}
Complex Complex:: operator+(double &c2)
{
return Complex(real+c2,imag);
}
Complex operator+(double&c3,Complex &c4)
{
return Complex (c3+c4.real,c4.imag);
}
//********************* end ********************
ostream& operator << (ostream& output, const Complex& c)
{
if(c.imag>0)
output<<"("<<setiosflags(ios::fixed)<<setprecision(2)<<c.real<<"+"<<setiosflags(ios::fixed)<<setprecision(2)<<c.imag<<"i)"<<endl;
else
output<<"("<<setiosflags(ios::fixed)<<setprecision(2)<<c.real<<setiosflags(ios::fixed)<<setprecision(2)<<c.imag<<"i)"<<endl;
return output;
}
int main()
{
//测试复数加复数
double real,imag;
cin>>real>>imag;
Complex c1(real,imag);
cin>>real>>imag;
Complex c2(real,imag);
Complex c3=c1+c2;
cout<<"c1+c2=";
cout<<c3;
//测试复数加实数
double d;
cin>>real>>imag;
cin>>d;
c3=Complex(real,imag)+d;
cout<<"c1+d=";
cout<<c3;
//测试实数加复数
cin>>d;
cin>>real>>imag;
c1=Complex(real,imag);
c3=d+c1;
cout<<"d+c1=";
cout<<c3;
return 0;
}
定义符
最新推荐文章于 2022-05-01 14:59:47 发布