Cloudflight Coding Contest

Solve a level-based coding game in competition with thousands of participants across the globe. Save The Date for the 37th Cloudflight Coding Contest edition on the 31st of March at the VU!

Cloudflight has some coding contests waiting for you! Register as a team or individual to compete against top coders.


Rules of the Game

  • Upload your solution(s) to CatCoder for each level
  • Wrong solution = 1 penalty minute
  • Submission of source code after level completion = 2 bonus minutes
  • If you participate on-site, you are not allowed to download excessively and/or stream
  • Team rules: each team member is allowed to bring a laptop and each team member can submit the team’s solution

Event Agenda

Some parts might differ depending on the contest location you are participating at. Check your email before the event for more information.

  • Pack your laptop and charger.
  • Arrive at your contest location at least 30-45 min prior to the contest.
  • If you haven’t registered yet, make sure you do it asap.
  • Set up access to the local network.
  • Log in to gitter and send us a “hello world” message in the lobby.
  • Start of the CCC game: You will be coding for 4 (#classic, #ai) or 2 hours (#school).
  • Networking & buffet (depending the location)
  • Score summary and presentation ceremony.

Still have questions?

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