Get progressive, non-spoiler hints from Google Gemini AI when you're stuck. Three levels of hints to guide you without giving away the solution. Smart enough to understand your code and attempts.
Earn XP for every problem solved. Track your progression with our quadratic leveling system: Level = ⌊√(XP/5)⌋ + 1. Unlock achievements, maintain streaks, and watch your skills grow.
Compete with developers worldwide. Track your rank, compare stats, and climb the leaderboard by solving problems and earning XP. Daily, weekly, and all-time rankings available.
Understand how our quadratic progression system rewards your growth
Level = ⌊√(XP / 5)⌋ + 1Our quadratic leveling system means each level requires progressively more XP, creating a meaningful sense of achievement as you advance.
Everything you need to master algorithms and data structures
Python, C++, Java, JavaScript with Monaco editor
Judge0 integration for instant code execution and feedback
Unlock badges for milestones and special accomplishments
3 progressive hint levels that adapt to your attempts
Maintain streaks and compete on timeframe leaderboards
Detailed stats, submission history, and performance metrics
Browse 500+ problems by difficulty, tags, or company. Filter by your solved/attempted status.
Use our Monaco editor with syntax highlighting. Code in Python, C++, Java, or JavaScript.
Stuck? Request progressive hints from Gemini AI. 3 levels: subtle nudge → approach → detailed guidance.
Submit, get instant feedback from Judge0, and earn XP. Level up and climb the leaderboard!