In this HackerRank Rectangle Area problem in c++ we are required to compute the area of a rectangle using classes.

HackerRank Rectangle Area in C++ problem solution

 

HackerRank Rectangle Area in C++ problem solution

class Rectangle {
    public:
     int width, height;
     void Input() {
         cin >> width >> height;
     }
     void Display() {
         cout << width << ' ' << height << endl;
     }
};

class RectangleArea : public Rectangle {
    public:
     void Display() {
         cout << width * height << endl;
     }
};