Code Challenges

Practice & Earn Points

Solve coding challenges to sharpen your skills and climb the leaderboard.

Sign in to save your progress and earn points towards the leaderboard!

How It Works

1. Read the Problem

Each challenge shows a code snippet. Trace through the logic carefully.

2. Solve It

Type exactly what the code would print. Spaces and formatting matter!

3. Earn Points

Easy = 3 pts, Medium = 5 pts, Hard = 8 pts. Points count towards the leaderboard!