第八周任务一（2）

韩云龙 201158504405  四月十号

 

 

#include<iostream>
using namespace std;
class Complex
{
public:
 Complex(){real=0;imag=0;}
 Complex(double r,double i){real=r;imag=i;}
 friend Complex operator+(Complex &c1,Complex &c2);
 friend Complex operator-(Complex &c1,Complex &c2);
 friend Complex operator*(Complex &c1,Complex &c2);
 friend Complex operator/(Complex &c1,Complex &c2);
 void display();
private:
 double real;
 double imag;
};
//下面定义成员函数

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();
 system("pause");
 return 0;
}
void Complex::display()
{
 cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
Complex operator+(Complex &c1,Complex &c2)
{
 Complex c;
 c.real = c1.real + c2.real;
 c.imag = c1.imag + c2.imag;
 return c;
}
Complex operator-(Complex &c1,Complex &c2)
{
 Complex c;
 c.real = c1.real - c2.real;
 c.imag = c1.imag - c2.imag;
 return c;
}
Complex operator*(Complex &c1,Complex &c2)
{
 Complex c;
 c.real = c1.real * c2.real;
 c.imag = c1.imag * c2.imag;
 return c;
}
Complex operator/(Complex &c1,Complex &c2)
{
 Complex c;
 c.real = c1.real / c2.real;
 c.imag = c1.imag / c2.imag;
 return c;
}