題目描述

定義一個復數類Complex，重載運算符“+”,“-”,“*”,“/”，使之能用于復數的加、減、乘、除。運算符重載函數作為Complex類的成員函數。編寫程序，分別求兩個復數之和、差、積和商。

輸入

兩個復數

輸出

兩個復數之和、差、積和商

樣例輸入

3 4 5 -10

樣例輸出

c1+c2=(8.00,-6.00i) c1-c2=(-2.00,14.00i) c1*c2=(55.00,-10.00i) c1/c2=(-0.20,0.40i)#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() {} Complex::Complex(double r,double i) {real=r;imag=i; } 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);} Complex Complex::operator*(Complex &c2) {return Complex(real*c2.real-imag*c2.imag,imag*c2.real+real*c2.imag);} 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; } 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; }
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