Live 1v1 Coding Battles

Code. Compete. Conquer.

Challenge developers worldwide with over 5000 competitive programming problems. Master algorithms from CodeForces, climb the leaderboard, and prove your skills in real-time battles.

Why Choose AlgoArena?

Experience the thrill of competitive programming with features designed for serious developers.

Real-Time Battles
Face off against opponents in live coding sessions with synchronized problem solving and instant feedback.
Skill-Based Matching
Our advanced ELO system ensures fair matches by pairing you with developers of similar skill levels.
LeetCode-Style Problems
Practice with curated algorithm challenges covering arrays, trees, graphs, dynamic programming, and more.

Master Every Algorithm

From basic arrays to advanced graph algorithms, challenge yourself across all domains of computer science.

Arrays & Strings
3,600+ Problems
Easy to Hard
Trees & Graphs
430+ Problems
Medium to Hard
Dynamic Programming
440+ Problems
Medium to Expert
Greedy & Math
500+ Problems
Easy to Expert

Be Part of Something New

Join AlgoArena today and help us build the premier competitive programming platform.

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1v1 Battles
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Problem Library
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AlgoArena is live! Join our competitive programming platform and start battling today.
Real-time battles
ELO ranking system
LeetCode-style problems
Profile & friend system
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