C언어 Rectangle3

#include<iostream>
using namespace std;

class Rectangle
{
private:
        int width,height,area;
public:
        Rectangle(int w=5,int h=10){width=w;height=h;}
        void setRectangle(int a,int b){width=a;height=b;}
        void setWidth(int w){width=w;}
        void setHeight(int h){height=h;}
        int getWidth(){return width;}
        int getHeight(){return height;}
        void swap(Rectangle *r);
        void calcArea(){area=width*height;}
        int getArea(){return area;}
        void isLarger(Rectangle *r);
        void print(){cout<<"가로 : "<<width<<"t세로 : "<<
                height<<"t넓이 : "<<area<<endl;}

};
void Rectangle::isLarger(Rectangle *r){
        if(this->getArea()>r->getArea())
                cout<<"you win"<<endl;
        else
                cout<<"you suck"<<endl;
}
void Rectangle::swap(Rectangle *r){
        int swap;
        swap=this->getWidth();
        this->setWidth(r->getWidth());
        r->setWidth(swap);
        swap=this->getHeight();
        this->setHeight(r->getHeight());
        r->setHeight(swap);

        
}
void main(){
        
        Rectangle r1(10,20),r2(100,200);
        r1.calcArea();r2.calcArea();
        r1.print();r2.print();
        r1.swap(&r2);
        r1.calcArea();r2.calcArea();
        r1.print(); r2.print();
        
        
}-->