Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Create a program that uses polymorphism to handle different shapes and calculate their areas.

Hard

Problem Statement

Create a program that uses polymorphism to handle different shapes and calculate their areas.

Sample Input

Shape* shapes[2]; shapes[0] = new Circle(3); shapes[1] = new Rectangle(5, 10);

Sample Output

Area of circle: 28.2743
Area of rectangle: 50

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
#include <cmath> #include <iostream> class Shape { public: virtual double area() = 0; // Pure virtual function }; class Circle : public Shape { private: double radius; public: Circle(double r); double area(); }; class Rectangle : public Shape { private: double width, height; public: Rectangle(double w, double h); double area(); }; int main() { // Logic to demonstrate polymorphism return 0; }
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Input
Shape* shapes[2]; shapes[0] = new Circle(3); shapes[1] = new Rectangle(5, 10);
Expected Output
Area of circle: 28.2743
Area of rectangle: 50