Call for hosts for IOI 2028 and 2027
Greetings to the IOI community, I am writing to you now regarding the future of IOI. During each Olympiad, we take bids for future hosts: this...
Online practice session and grading environment
Dear IOI leaders, The online practice session is starting now. Both the leaders and the contestants will receive CMS access instruction in a...
IOI Journal - volume 18
The 18th volume of the journal "Olympiads in Informatics" has been published, and it includes several research papers and reports.
JOI Open Contest 2024
JOI Open Contest 2024 is an IOI-like open competition for students at schools for secondary education. The main purpose of this contest is to give...
Call for papers
Dear IOI Colleagues, The 18th conference will be held concurrently with the 2024 International Olympiad in Informatics, taking place in Alexandra,...
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 was held in Hungary
The Olympiad took place in Szeged between August 28th and September 4th.
IOI 2024 will be hosted by Egypt
IOI 2024 will take place in Egypt, from September 1-8. Visit the official website of the event to learn more. Future event
Bolivia will host IOI 2025
Bolivia and Uzbekistan will host IOI 2025 and IOI 2026, respectively. 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.