除:("<<x1<<","<<y1<<")/("<<x2<<","<<y2<<")="<<"("<<static_cast<double>(x1*x2+y1*y2)/(x2*x2+y2*y2)<<","<<static_cast<double>(y1*x2-x1*y2)/(x2*x2+y2*y2)<<")"<<endl<<endl;}

void set()

{ cout<<"第一个复数:" ;

cin>>x1>>y1;

cout<<"第二个复数:";

cin>>x2>>y2;

}

};

int main()

{

Complex a;

Complex c(4,3,2,1);

cout<<"以(a, b)的形式打印复数，其中a为实部，b为虚部,其中系统默认的复数为(1,1)"<<endl<<endl;

cout<<"1.未初始化值"<<endl;

a.jia();

a.jian();

a.chen();

a.chu();

cout<<"2.初始化值"<<endl;

c.jia();

c.jian();

c.chen();

c.chu();

cout<<"3.自定义"<<endl;

a.set();

a.jia();

a.jian();

a.chen();

a.chu();

return 0;

}