int main(){
int w,h;
CRectangle r;
cin>>w>>h;
r.Init(w,h);
r.w=7;
printArea(r);
cout<<"f**k"<<r.Area()<<endl;
Complex c1;
c1.real=1;c1.imag=2;
Complex c2(c1);
cout<<c2.real<<endl;
return 0;
}
void printArea(CRectangle& r){
r.w=9;//引用与直接调用的区别
cout<<r.Area()<<endl;
}