Call for IOI 2026-2027 hosts
Greetings to the IOI community, I am writing today regarding IOI 2026. As you may know, our usual practice is to take bids for IOI four years in...
Italian Olympiad in Informatics 2022
For the seventh time, the Italian national contest (valid for the selection of the Italian IOI team) will be mirrored into an online contest. The...
IOI workshop 2022
Dear IOI community, we plan to organize an IOI workshop in Strumica, Macedonia, 12-16 of May, 2022.
IOI response to invasion of Ukraine
My greetings to the IOI community. I am writing today to update you on our ongoing discussions within the International Committee (IC) regarding...
JOI - Final round
The 21st Japanese Olympiad in Informatics (JOI)Final Round Online Contest will be held on 13 Feb (07:00-11:00 UTC/GMT).
International Olympiad in Informatics 2020
IOI 2020 was held by Singapore online, in September. Check our news section for the latest info.
Singapore hosted IOI 2021
You can read more about the previous organizers of the IOI on the Editions page.
IOI 2022 took place in Indonesia
Several other Olympiads have also been scheduled, including IOI 2023 in Hungary and IOI 2024 in Egypt.
IOI 2023 will be held in Hungary
The Olympiad will take place in Szeged between 28th of August and 4th of September. Future event
IOI 2024 will be hosted by Egypt
IOI 2024 will take place in Egypt, from September 1-8. Check out the Editions page for more information. Future event
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.
Several International Olympiads in Informatics have been organized so far, hosted by a number of different countries.
The International Olympiad in Informatics is organized according to the IOI Regulations, and the decision made by the General Assembly.
On this site, you can find all regulations, minutes, and people involved with the organization.