Kotlin

Kotlin Heroes: Episode 11 is coming up on September 30, 2024, presenting a perfect chance for you to dive into algorithmic problem-solving using Kotlin. This competition is open to coders of all levels.

To all students and recent graduates: The Kotlin Foundation is excited to announce the launch of the Kotlin Multiplatform Contest! Showcase your creativity and coding skills by building a cross-platform project using Kotlin Multiplatform and win a trip to KotlinConf 2025, the largest Kotlin event of the year. 

A big thank you goes out to everyone who joined us for Advent of Code in Kotlin this year! From December 1 through 12, we shared daily livestreams of puzzle solutions. If you missed any of the action, you can watch the recordings on our YouTube playlist.

Are you a student or recent graduate? Create a cross-platform project in Kotlin, if your entry takes one of the top spots, you’ll win a trip to KotlinConf'24!

Take part in Advent of Code 2022 in Kotlin and win prizes. We invite you to join us in participating in Advent of Code in Kotlin this year. It’s a great way to practice your problem-solving, keep your Kotlin skills sharp, compete, and learn from the fantastic community surrounding the event. And it’s a wonderful way to get your hands on some exclusive Kotlin prizes!

Showcase your creativity by building a Kotlin Multiplatform project using the technology that will help shape the future. If your entry makes it into the top 3, you’ll win a trip to KotlinConf’23!

UPD: Given the current circumstances, we have decided to postpone Kotlin Heroes until further notice. Thank you for your understanding. Kotlin Heroes is our Kotlin-only contest hosted by the Codeforces. It is a great way to play around with Kotlin’s features, learn something new, and practice usi…

If you’ve been thinking of new ways to level up your Kotlin coding skills, programming competitions are a great way to do so. Starting from June 22, you can polish your Kotlin skills and practice solving algorithmic problems in a dedicated practice round on the Codeforces platform. On June 29, th…

Registration for Kotlin Heroes: Episode 6 is open. This coding challenge is hosted by JetBrains and Codeforces, the most popular platform for programming contests. It is a great opportunity to learn about the features and capabilities of the Kotlin language. Register now and save the date: March 9, …

Welcome to Kotlin Heroes 5: ICPC Round!

Registration for Kotlin Heroes #4 is open! It’s time to save the date for the next round, which will take place May 29, at 14:35 UTC. If you’re already excited to sign up, you can head directly over to the registration page on the Codeforces website. And if you’d like to learn more about Kotlin Hero…

Registration for the next Kotlin Heroes coding challenge is open! This will be the third challenge for programmers co-hosted by JetBrains and Codeforces. Register now and save the date, February 27, 13:35 UTC. What is Kotlin Heroes, and why should you participate? Kotlin Heroes is a collaborative p…