OOP Challenge

Medium Mini Projects & Algorithmic Challenges
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Problem Statement

Write a C++ program utilizing inheritance and polymorphism with base Shape class and derived Circle and Rectangle area calculators.

Input Format

Command ('CIRCLE' or 'RECTANGLE') followed by dimension parameters.

Output Format

Print computed area.

Constraints

Dimensions > 0

Sample Input

CIRCLE 7

Sample Output

Area: 153.86

Explanation

Demonstrates runtime polymorphism and virtual functions.

Starter Code

#include <iostream>
#include <string>
#include <iomanip>

class Shape {
public:
    virtual double area() = 0;
};

int main() {
    std::string type;
    if (std::cin >> type) {
        // Write your OOP challenge logic here
    }
    return 0;
}

Limits

  • Time Limit: 1s
  • Memory Limit: 256MB

Embedded C Programming

Updated: March 15, 2026
Intermediate

Embedded systems rely on efficient low-level programming to interact directly with hardware. In this course, you will learn how to write practical Embedded C programs used in real microcontroller-based systems. Rather than focusing only on theory, this course follows a practice-driven approach. Each lesson includes hands-on coding exercises that simulate real firmware development tasks used