Master Data Structures & Algorithms with problems from all major platforms! Practice LeetCode, Codeforces, AtCoder, and more in one place. Track your progress, compete with peers, and ace your coding interviews.
Everything you need to master data structures, algorithms, and ace your coding interviews
Questions from All Platforms
Access questions from LeetCode, Codeforces, GeeksforGeeks, CSES, LightOJ, CodeChef, AtCoder, and many more platforms in one unified interface.
Smart Question Filtering
Filter questions by difficulty, topics, companies, contest types, or your custom preferences to practice exactly what you need.
Integrated Code IDE
Built-in code editor with syntax highlighting, autocomplete, and one-click download/submit functionality directly to platforms.
AI Code Assistant
Get instant help with your code, debugging assistance, algorithm explanations, and optimization suggestions from our AI chatbot.
Smart Note Taking
Take organized notes for each question, save your approaches, bookmark important problems, and create your personal study guide.