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xiaoxiao2021-02-28  107

题目描述

定义一个复数类Complex,重载运算符“+”,使之能用于复数的加法运算。参加运算的两个运算量可以都是类对象,也可以其中有一个是整数,顺序任意。例如,c1+c2,i+c1,c1+i均合法(设i为整数,c1,c2为复数)。编写程序,分别求两个复数之和、整数和复数之和。

输入

两个复数 一个复数和一个整数 一个整数和一个复数

输出

两个复数之和、复数和整数之和,整数和复数之和。

样例输入

3 4 5 -10 3 4 5 5 3 4

样例输出

c1+c2=(8.00,-6.00i) c1+i=(8.00,4.00i) i+c1=(8.00,4.00i)#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 &c2);     Complex operator+(int &i);     friend Complex operator+(int&,Complex &);     void display(); private:     double real;     double imag; }; Complex Complex:: operator+(Complex &c2) {     return Complex(real+c2.real,imag+c2.imag); } Complex Complex::operator+(int &i) {     return Complex(real+i,imag); } Complex operator+(int &i,Complex &c2) {     return Complex(i+c2.real,c2.imag); } void Complex::display() {     cout<<"("<<real<<','<<imag<<"i)"<<endl; } 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();     int i;     cin>>real>>imag;     cin>>i;     c3=Complex(real,imag)+i;     cout<<"c1+i=";     c3.display();     cin>>i;     cin>>real>>imag;     c1=Complex(real,imag);     c3=i+c1;     cout<<"i+c1=";     c3.display();     return 0; }
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