C++ 运算符重载

#include 
using namespace std;


class Complex
{
public:
    double real,imag;
public:
    Complex(){
        real=0;
        imag=0;
    }
    Complex(double r,double i)
    {
        real=r;
        imag=i;
    }
    Complex add(Complex & x)
    {
        Complex temp;
        temp.real=real+x.real;
        temp.imag=imag+x.imag;
        return temp;
    }
    Complex* add2(Complex *x)
    {
        Complex *temp=new Complex;
        temp->imag=imag+x->imag;
        temp->real=real+x->real;
        return temp;
    }
    //operator后跟运算符
    Complex operator + (Complex &x)
    {
        Complex temp;
        temp.real=real+x.real;
        temp.imag=imag+x.imag;
        return temp;
    }
};


int main()
{
    Complex a(1,2),b(3,4),c;
    c=a.add(b);
    Complex *d,*e;
    e=new Complex(5,6);
    d=a.add2(e);
    cout<imag<