Example: Rectangle area hackerrank solution in c++
#include <iostream> using namespace std; class Rectangle{ protected: int width; int height; public: virtual void display() const{ cout<< width <<' ' << height << endl; } }; class RectangleArea : public Rectangle { public: void display() const override { cout << (width * height) << endl; } void read_input(){ cin >> width >> height; } }; int main() { RectangleArea r_area; r_area.read_input(); r_area.Rectangle::display(); r_area.display(); return 0; }
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