面向对象程序设计上机练习十二(运算符重载)(SDUTOJ1274)

#include <iostream>
using namespace std;
class Complex
{
public:
    Complex(double r,double i)
    {
        rm=r;
        im=i;
    }
    friend double operator +(double &c1,Complex &c2);
    void display();

private:
    double rm,im;
};
double operator+(double &c1,Complex &c2)
{
    return double(c1+c2.rm);
}
int main()
{
    double x,y,z,q;
    cin>>x>>y>>z;
    Complex c1(x,y);
    q=z+c1;
    cout<<q<<endl;
    return 0;
}