Competitive Coding Platform

Master Algorithms.
Build Your Future.

A VS Code–inspired competitive coding platform with real-time execution, AI-powered hints, and beautiful themes. Practice smarter, code faster.

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solution.py — AlgoArena

  # Two Sum — O(n) hash map solution
  def twoSum(self, nums, target):
      seen = {}
      for i, n in enumerate(nums):
          comp = target - n
          if comp in seen:
              return [seen[comp], i]
          seen[n] = i

Why AlgoArena?

Everything You Need to Excel

A complete competitive coding environment built for learning, practicing, and mastering algorithms — all in your browser.

Real-Time Execution

Run Python & C++ code in isolated Docker containers with instant feedback and test case validation.

AI-Powered Hints

Get intelligent hints from Gemini AI that guide you without giving away the answer.

5 Beautiful Themes

Switch between One Dark, GitHub Light, Monokai Pro, Dracula, and Nord — all VS Code-inspired.

Progress Tracking

Visualize your journey with heatmaps, difficulty breakdowns, and detailed submission history.

Sandboxed Execution

Each submission runs in an isolated Docker container with memory limits and timeout protection.

Admin Dashboard

Create problems with AI, manage test cases, view platform analytics — all from one powerful panel.

How It Works

Pick a Challenge

Browse problems by difficulty. Each has clear descriptions, examples, and constraints.

Write Your Solution

Use the Monaco-powered editor with syntax highlighting, auto-completion, and your favorite theme.

Run & Submit

Execute against test cases in real-time. See pass/fail for each case with detailed output.

Level Up

Track progress, earn badges, and use AI hints to master increasingly complex algorithms.

Master Algorithms.Build Your Future.