CodeArena

A high-intensity coding battleground with a sleek, interactive interface, real-time coding competitions, and algorithmic challenges.

Real-time Coding

Interactive coding environment with real-time execution and feedback

Competitive Contests

Weekly and monthly contests to climb the leaderboard

AI-Powered Coaching

Get hints, editorials, and AI-powered coaching for problem-solving

Multiple Languages

Support for all major programming languages

Two Sum

Easy

Arrays & Hashing

Find two numbers in an array that add up to a target

87% of users

LRU Cache

Medium

Design

Implement a Least Recently Used (LRU) cache

42% of users

Merge K Sorted Lists

Hard

Linked Lists

Merge k sorted linked lists into one sorted linked list

28% of users

Enhance Your Coding with AI

Combine your competitive programming skills with AI knowledge. Learn how AI can help you solve complex algorithmic problems and optimize your solutions.

AI-Assisted Learning

Get personalized learning recommendations based on your performance

Code Analysis

AI-powered analysis of your code for optimization suggestions

Smart Problem Recommendations

Get recommended problems based on your skill level and learning goals