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Due to COVID-19, IOI 2021 will be hosted by Singapore online. Visit the official website to learn more.

Coming soon   IOI will take place online

Eduard Kalinicenko - IOI and Statistics

Eduard Kalinicenko is a member of the International Committee of the IOI, and creator of IOI statistics - a useful resource for the entire IOI community offering information on countries, past participants, IOI problems, and more. The actual application can be found here:

In the video, Eduard talks about his experience with the International Olympiad in Informatics, offers advice to future IOI participants and talks about how IOI Statistics was created and why.

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Not sure where to go? Click here to view some basic information on how to learn programming and prepare to win a medal at the IOI.


A couple of volunteers maintain a separate page with stats about people who participated at the International Olympiad in Informatics.


The IOI publishes a journal every year, with original high-quality scientific papers related to education, contests and algorithms.