两个Complex类对象相加的完整程序

#include
using namespace std;
class Complex{
public:
 double real;
 double imag;
 Complex(double r=0,double i=0)
 {real=r;imag=i;}
};
Complex operator+(Complex co1,Complex co2){       //定义运算符+的重载函数
Complex temp;
temp.real=co1.real+co2.real;
temp.imag=co1.imag+co2.imag;
return temp;
}
int main()
{Complex com1(1.1,2.2),com2(3.3,4.4),total1,total2;
total1=operator+(com1,com2);
cout<<"real1="<