OJ——复数类--重载运算符+

#include <iostream>

#include <iomanip>

using namespace std;

class Complex

{

public:

Complex();

Complex(double r,double i);

double get_real();

double get_imag();

void display();

private:

double real;

double imag;

};
Complex::Complex(){}
Complex::Complex(double r,double i)
{
real=r;
imag=i;
}
double Complex::get_real()
{
return real;
}
double Complex::get_imag()
{
return imag;
}
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
Complex operator +(Complex&c1,Complex&c2)
{

return  Complex(c1.get_real()+c2.get_real(),c1.get_imag()+c2.get_imag());

}
int main()

{

double real,imag;

cin>>real>>imag;

Complex c1(real,imag);

cin>>real>>imag;

Complex c2(real,imag);

Complex c3=c1+c2;

cout<<setiosflags(ios::fixed);

cout<<setprecision(2);

c3.display();

return 0;

}