With exams ongoing, I focused on advanced OOP problems in C++. Each day tackled unique challenges, strengthening my grasp of key concepts.

Day 43 – OOP Basics

  • Temperature Converter – Convert between Fahrenheit & Celsius.
  • Arithmetic Operations – Perform basic operations on two integers.
  • Toy House Surface Area – Compute surface area (excluding the roof).
  • Weather Analysis – Compare historical & current weather conditions.

Day 44 – Constructors & Math Operations

  • Palindrome Checker – Verify palindromes using constructors & destructors.
  • Matrix Determinant – Compute determinant of a square matrix.
  • Power & Root Calculator – Calculate squares, cubes & their roots.
  • Rectangle Area – Compute area using coordinate-based input.

Day 45 – Static Members

  • Event Management – Track participant count using static members.
  • Rectangle Count – Maintain count & compute areas of multiple rectangles.
  • Bank Interest Calculator – Update & apply shared interest rates.
  • Circle Tracker – Track circle count & compute area/circumference.

Day 46 – Inline Functions

  • Area Calculator – Compute areas using inline functions.
  • Armstrong Number – Verify & print factors using inline methods.
  • GCD Calculation – Compute GCD using Euclid’s algorithm.
  • Arithmetic Operations – Implement basic operations using inline functions.

Day 47 – Call by Reference & String Analysis

  • Swap Numbers – Implement swapping using call-by-reference.
  • Salary Update – Calculate updated salary post-hike.
  • Message Analysis – Count letters, digits & special characters.
  • Fibonacci Last Digit – Compute last digit of nth Fibonacci number.

Day 48 – Default Arguments & Real-World Apps

  • Perfect Number Check – Validate perfect numbers with flexible input.
  • Library Book Counter – Track book counts across categories.
  • Hotel Booking System – Compute total stay cost based on preferences.
  • Calorie Calculator – Estimate calories burned based on workout type & intensity.

Day 49 – Friend Functions & Advanced OOP

  • Matrix Transposition – Use friend functions for transposition.
  • Ticket Reservation System – Manage ticket reservations/cancellations.
  • Fraction Addition – Add mixed fractions & return reduced form.
  • Distance Calculation – Compute travel distance using friend functions.

Key Takeaways:

  • Strengthened OOP concepts—constructors, destructors, static members, inline functions & friend functions.
  • Improved debugging & real-world problem-solving.

Challenges:

  • Optimizing recursive determinant calculation.
  • Managing shared/static data effectively.

This practice pushed my OOP proficiency to a new level!

What’s the most challenging OOP problem you’ve solved? Let’s discuss!