IOI 2021 is coming soon

Due to COVID-19, IOI 2021 will be an online competition. You can visit the event website, or scroll down to read about the IOI organization.

WebsiteResults

News

Update on IOI 2021
 Dear Friends of IOI, the IC held the Winter meeting in late February. We have the following important information regarding IOI 2021 to share with...

APIO - Call for tasks
 As discussed in the APIO delegation meeting in IOI 2019, Indonesia intends to host Asia-Pacific Informatics Olympiad (APIO) 2021 too, as a further...

OII - Open Contest 2020
 For the fifth time, the Italian national contest (valid for the selection of the Italian IOI team) will be mirrored into an online contest. The...

IOI Talks #1
 Dear IOI Community, in July, we shared information on the IOI mailing list regarding the first edition of IOI Talks. A lot of people registered for...

Call for projects
 Dear all, IC is opening this year's Call for projects. The deadline for the proposals is 15.12.2020.

Events

Azerbaijan hosted IOI 2019
 The International Olympiad in Informatics in 2019 was held from August 4 to August 11 in Azerbaijan.

The previous Olympiad was held in Japan
 IOI 2018 took place in Japan in September of 2018. The official website has more information.

International Olympiad in Informatics 2020
 IOI 2020 was held by Singapore online, in September. Check our news section for the latest info.

Singapore will host IOI 2021
 You can read more about the future organizers of the IOI on the Editions page.  Future event

IOI 2022 will be held in Indonesia
 Several other Olympiads have also been scheduled, including IOI 2023 in Hungary and IOI 2024 in Egypt.  Future event

Need more info?

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, Turkey

  • 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*

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