Coding Help

For help with the challenges, including help debugging, advice for approach, and other code-specific questions. Make sure you do not post any full solutions! Remember to include the challenge number

Clarifying Instructions

Post here if you are having a hard time understanding what is being requested by the challenge instructions. Remember to include the challenge number

Site Feedback

Discussion about this site, its organization, how it works, and how we can improve it.

Code Style

For advice on code style. Remember not to share full solutions!


Questions about the Teams and Leaderboards.

Contest Rules

Any questions about the contest rules, prizes, and eligibility can be posted here. First carefully read the details available on our website.


Questions about login and registration can be posted here.