Week of Code 37

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Join our biggest contest, Week of Code 37! This is a 7 day contest beginning Monday, 16 April at 12:00am PDT.

Each day, from Monday to Saturday we’ll unlock a new challenge for you to solve. The top 10 hackers win HackerRank T-shirts. Sign up now and we’ll send you a quick reminder each day to keep you on track. See you on the leaderboard!


  • Prizes are optional. You may add any prizes that you would like to offer here.


  • Code directly from our platform, which supports over 30 languages. Learn more here.
  • All submissions are run through a plagiarism detector. Any case of code plagiarism will disqualify both users from the contest.
  • Please provide any rules for your contest here.


  • Each challenge has a pre-determined score.
  • A participant’s score depends on the number of test cases a participant’s code submission successfully passes.
  • If a participant submits more than one solution per challenge, then the participant’s score will reflect the highest score achieved. In a game challenge, the participant's score will reflect the last code submission.
  • Participants are ranked by score. If two or more participants achieve the same score, then the tie is broken by the total time taken to submit the last solution resulting in a higher score

Sign up for Week of Code 37 now.