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IOI 2026 will be hosted by Uzbekistan. Visit the official website to learn more.

Coming soon   IOI 2026 in Uzbekistan

IOI 2025 - Task Explanation Videos

June 19th, 2026 in Competitions

The second task explanation of IOI tasks from last year has just been published on YouTube. This time Eljakim Schrijvers explains the task Festival together with former IOI contestant Jerry Mao.

If you’re preparing for IOI2026 in Uzbekistan, now is a great time to watch it: https://www.youtube.com/watch?v=E5M9kgYNHRo


And, if you haven’t seen it yet, the first movie explained how to solve the task Souvenirs with former contestant Katherine. Watch it here: https://www.youtube.com/watch?v=-QmtYVXw4GY


Don’t forget to leave a comment under the movies with what you liked!

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The IOI is one of five international science olympiads. The primary goal of the IOI is to stimulate interest in informatics (computing science) and information technology.

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