IOI 2024 - Egypt

The latest Olympiad was hosted by Egypt from September 1st to 8th. You can visit the event website, or scroll down to read about the IOI organization.

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News

Italian Olympiad in Informatics 2024
 For the eight time, the Italian national contest (valid for the selection of the Italian IOI team) will be mirrored into an online contest. The...

IOI response to the conflict in Gaza
 Dear Colleagues and members of the IOI community, This message is being sent to provide an update on a significant decision of the General Assembly...

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.

Events

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 was hosted by Egypt
 IOI 2024 was organized by Egypt, from September 1-8. Visit the official website of the event to learn more.

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

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Beginners

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.

Statistics

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

Journal

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

History of the IOI

Several International Olympiads in Informatics have been organized so far, hosted by a number of different countries.


  • IOI 1989, Bulgaria

  • IOI 1990, Soviet Union

  • IOI 1991, Greece

  • IOI 1992, Germany

  • IOI 1993, Argentina

  • IOI 1994, Sweden

  • IOI 1995, Netherlands

  • IOI 1996, Hungary

  • IOI 1997, South Africa

  • IOI 1998, Portugal

  • IOI 1999, Türkiye

  • IOI 2000, China

  • IOI 2001, Finland

  • IOI 2002, Korea

  • IOI 2003, USA

  • IOI 2004, Greece

  • IOI 2005, Poland

  • IOI 2006, Mexico

  • IOI 2007, Croatia

  • IOI 2008, Egypt

  • IOI 2009, Bulgaria

  • IOI 2010, Canada

  • IOI 2011, Thailand

  • IOI 2012, Italy

  • IOI 2013, Australia

  • IOI 2014, Taiwan

  • IOI 2015, Kazakhstan

  • IOI 2016, Russia

  • IOI 2017, Iran

  • IOI 2018, Japan

  • IOI 2019, Azerbaijan

  • IOI 2020, Singapore*

  • IOI 2021, Singapore*

  • IOI 2022, Indonesia

  • IOI 2023, Hungary

  • IOI 2024, Egypt

Organization

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.

OrganizationInfoMembers

About

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.

Another important goal is to bring together exceptionally talented pupils from various countries and to have them share scientific and cultural experiences.

Contestants

Administration