A
THE ARENA
THE COMPETITIVE CODING PLATFORM

Think fast.
Code fearless.

A focused arena for organiser-run coding competitions. Join a contest, solve the problems your organiser sets, and let your code do the talking.

No fabricated contests. No sample scores. Only organiser-published challenges.
ARENA / WORKSPACE● READY
01JOIN A CONTEST
02SOLVE PROBLEMS
03SUBMIT CODE
04CLIMB THE RANKS
// your next challenge starts here
function solve(input) {
  const solution = think(input);
  return solution;
}
BUILT FOR FAIR COMPETITION

Everything in its place.

A clean workflow from registration to final submission.

⌘

Organiser-defined problems

Only problems published by the contest organiser appear in your workspace.

⚡

Code and submit

A focused browser workspace connected to a hosted judging service.

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Contest standings

Scores and rankings come from recorded contest submissions.

⬡

Controlled access

Private contests require the personal access code supplied by the organiser.

A
THE ARENA
COMPETITION HUB

Available contests.

Choose a published contest and get to work.

Loading published contests…