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Intersection of squares

nikgun1984 (17)
Hello everyone,

I am stuck in this assignment where I need to find intersection of squares. So far I created a vector of squares( there are only 3 squares necessary). I input the value for width and height, which are the same, because the shape is a square.
There is Rectangle Class:

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  struct Rectangle : Shape {

    Rectangle(Point xy, int ww, int hh) : w(ww), h(hh)
    {
        add(xy);
        if (h<=0 || w<=0) error("Bad rectangle: non-positive side");
    }

    Rectangle(Point x, Point y) : w(y.x-x.x), h(y.y-x.y)
    {
        add(x);
        if (h<=0 || w<=0) error("Bad rectangle: non-positive width or height");
    }
    void draw_lines() const;

    int height() const { return h; }
    int width() const { return w; }
private:
    int h;    // height
    int w;    // width
};


Based on this class I need to write a code how three rectangles intersect and create objects out those intersection. For instance, if two rectangles intersect each other, another rectangle is created(it is basically rectangle intersection)

Thanks guys
helios (17530)
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