Lucid AI (Theory)
Step-by-step explanations
Not just code - we understand WHY something works. We break down every solution into logical steps.
Common errors and pitfalls
We teach not only how to write code, but also what to avoid. Learn the most common errors before making them.
Deeper explanations
Links to additional materials, articles, and sources when you want to dive deeper into a topic.
Coding Arena (Practice)
Built-in code editor
Write and run code in the browser. No setup - pick a challenge and start practising.
Hints instead of answers (AI Mentor)
Stuck? The AI Mentor gives hints, not full solutions. Think for yourself and learn from mistakes.
Gamification and streak protection
Streaks, rankings, and daily challenges. Stay motivated and build a consistent practice habit.
AI Code Review (Perfection)
Advanced refactoring
AI Code Review improves structure, naming, and alignment with best practices.
Big O optimisation
Find bottlenecks. Get analysis of time and space complexity of your solution.
Clean Code analysis
Readability, SOLID, DRY. Get concrete suggestions to write code like a Senior Developer.
How it works?
Theory (Lucid AI)
Ask a question, get the full thought process and step-by-step explanations.
Practice (Coding Arena)
Solve challenges in the built-in editor. AI Mentor gives hints when you're stuck.
Perfection (AI Code Review)
Paste your code into the Clinic - optimisation, refactoring, and Clean Code analysis.