c++day2

#include <iostream>

using namespace std;

class Rect
{
private:
    int width;
    int hight;
public:
    void init(int w, int h);
    void set_w(int w);
    void set_h(int h);
    void show();
};

void Rect::init(int w, int h)
{
    width = w;
    hight = h;
}

void Rect::set_w(int w)
{
    width = w;
}

void Rect::set_h(int h)
{
    hight = h;
}

void Rect::show()
{
    cout << "width = " << width << "\t hight = " << hight << "\t周长 = " << 2*(width+hight) << endl;
    cout << "width = " << width << "\t hight = " << hight << "\t面积 = " << width*hight << endl;
}
int main()
{
    Rect re;
    re.init(4, 5);
    re.show();
    re.set_h(10);
    re.show();
    re.set_w(10);
    re.show();
    return 0;
}