USACO 2019/2020
USACO will organize several online contests in 2019. Participation is free, and open to all. The contests are available in four divisions: bronze,...
COCI 2019/2020
Over the next six months we will organize seven online contests as a warm-up for the 2020 season of high school programming competitions. Everyone...
Call for projects
Dear all, IC is opening this years call for projects, for which up to 15000 euro are allocated. The deadline for the proposals is 15.12.2019.
Italian Olympiad in Informatics
For the fourth time, the Italian national contest (valid for the selection of the Italian IOI team) will be mirrored into an online contest. The...
Call for tasks
Dear IOI Colleagues, on behalf of the IOI 2020 host, I would like to announce that the call for tasks for IOI 2020 is now open and we are inviting...
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
Singapore will host IOI 2020. Partial information about the event can be found online. Future event
Egypt will host IOI 2021
You can read more about the future organizers of the IOI on the Editions page. 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.