Question: priority.pop); cout using namespace std; class Polygon ( protected: int width, height; public: void set_values (int a, int b) f width-a; height b; ) virtual
priority.pop); cout using namespace std; class Polygon ( protected: int width, height; public: void set_values (int a, int b) f width-a; height b; ) virtual int area ()=0; class Rectangle: public Polygon f public: int area () f return width height; ) main (0 f Rectangle rect; return 0;)
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