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A concise multiplatform language developed by JetBrains


Join Kotlin Heroes: Episode 8! Practice Round to Be Streamed by tourist

Kotlin Heroes is our Kotlin-only quarterly coding contest hosted by the Codeforces competitive programming platform. This contest is a great way to play around with the powerful Kotlin features and practice the language by solving fun tasks. It is great for programmers of any level and there is a chance for anyone to win one of our cool prizes: exclusive Kotlin Heroes t-shirts, stickers, and even money.

Stream by tourist

This round is a very special one. The Kotlin Heroes: Episode 8 practice round will take place during the world’s “programming Olympics” – the ICPC World Finals. The most exciting part is that Gennady Korotkevich, aka tourist, the most awarded competitive programmer in the world and a repeat winner of Kotlin Heroes, will solve the practice round tasks during the event opening on October 2, 2021.

And we are thrilled to be livestreaming it to you!


Here’s the suggested timeline for you to join in with Kotlin Heroes: Episode 8:

Contest rules

  • The contest features a set of up to 10 problems that range from simple ones, designed to be solvable by anyone, to hard ones, to make it more interesting.
  • You are only allowed to use Kotlin to solve these problems.
  • You have 2 hours and 30 minutes to complete the tasks. 
  • You move up the leaderboard by finding the most efficient solutions to the problems in the shortest time possible.


  • The top three winners will receive prizes of $512, $256, and $128, respectively. 
  • The top 50 contestants will win an exclusive Kotlin Heroes T-shirt and Kotlin stickers. 
  • Every competitor who solves at least one problem is entered into a drawing for one of the 50 exclusive Kotlin Heroes T-shirts.

The tasks of this episode were designed to suit programmers of all levels, so everyone has a chance to win prizes. Even if you’ve never competed before, Kotlin Heroes: Episode 8 is a great chance to hone your Kotlin skills and discover the joys of competitive programming!

Good luck!

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