IEEEXtreme Practice Community


This is the practice community for the actual IEEExtreme9.0 24-hour event that takes place from Oct 24 00:00 UTC. You can find the actual event here


  • Please refrain from discussing strategy during the contest.
  • Any case of code plagiarism will result in disqualification of both the users from the contest. We've a fairly good plagiarism detector that works at the opcode level.
  • You can code directly on our interface. We support 20 major languages. You can have a look at the environment in which we run your code. You can try out sample code given in Solve Me First to get familiar with I/O.
  • HackerRank admins decision will be final


  • Each challenge has a pre-determined score.
  • Each submission for each problem will be scored, based on number of testcases it passes.
  • The total score of any participant is the sum of their maximum scores of each of the attempted problems.
  • Participants are ranked according to their scores. Cumulative time taken to solve the challenge is used as a tie-breaker.