International Olympiad in Informatics

Organized by the Arab Academy of Science, Technology and Maritime Transport, the International Olympiad in Informatics is the most prestigious computer science competition for secondary school and high school students around the world.

Interested in the competition?

Competition Overview

Middle school and high school students

Eligibility

Free

Entry Fee

August 9-16, 2026

Competition Date

Uzbekistan

Host Country

📌 Note: Aralia is not the organizer of this competition. For official rules, deadlines, and updates, please refer directly to the competition organizer. Aralia provides listings and information about competitions for student reference. Aralia is an online education platform offering competition preparation classes to students worldwide.

Competition Details

1. Eligibility

This competition is open to middle school and high school students around the world. Students have to be selected from their country’s national computing contests in order to be qualified for the international competition.

2. Competition Structure

The whole event is a week-long with two competition days, and recreational and cultural activities on other days. On each competition day, students have to solve three problem-solving tasks, which change every year. Last year, some of the tasks were evaluating every subtree of Ős Vezér, the oldest and tallest beech trees, and seeing whether it is beautiful. All other tasks can be found on the website.

3. Medals

Participants are awarded according to the following criteria: The top 50% of the contestants are awarded medals, such that the relative number of gold : silver : bronze : no medal is approximately 1:2:3:6 (thus 1/12 of the contestants get a gold medal).