Some School stuff (13)

#include <iostream>

using namespace std;

class Shape {

    public:
        void set_values (int a,int b)
        {width = a; height = b;}

    protected:
        int width, height;
};

class Rectangle:public Shape {
public:
    int area ()
        {return width*height;}
};

class Triangle: public Shape {
public:
    int area ()
    {return width*height/2;}
};

int main()
{
    Rectangle rect;
    Triangle trgl;
    rect.set_values (4,5);
    trgl.set_values (6,3);
    cout<<rect.area()<<endl;
    cout<<trgl.area()<<endl;
    return 0;
}