European Junior Olympiad in Informatics 2026

Kaunas, Lithuania · July 24–30, 2026

Welcome to homepage of EJOI 2026!

The European Junior Olympiad in Informatics (EJOI) is an annual international programming competition for talented secondary school students across Europe. It features challenging algorithmic problem-solving tasks designed to inspire excellence in computer science and to encourage young people to develop their computational thinking skills.

The competition brings together some of the most promising young programmers from across Europe, providing them with an opportunity to test their abilities, exchange ideas, and connect with peers who share their passion for informatics and problem solving.

EJOI 2026 will take place in Kaunas, Lithuania, from 24–30 July 2026. The event is jointly organised by Ukraine and Lithuania, continuing the tradition of international cooperation that has been at the heart of EJOI since its founding.

More information about the competition, participation, and practical details will be published on this website in the coming months.

Kaunas old town panorama

Host city

Kaunas

EJOI 2026 will take place in Kaunas, Lithuania’s second-largest city, known for its modernist heritage and lively student community.

Latest news

Schedule

27 March 2026

A rough overview of the event programme is now available.

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Participants

25 March 2026

25 countries will participate in EJOI 2026, bringing together young talents from across Europe and beyond.

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Sponsorship Opportunities

15 February 2026

The European Junior Olympiad in Informatics brings together exceptional young talents in computer science from across Europe. By supporting EJOI, you invest in the next generation of innovators and gain meaningful visibility within an international academic and technology community. Please contact us to explore sponsorship opportunities.

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Call for Tasks

13 February 2026

The EJOI 2026 Scientific Committee is pleased to invite the competitive programming community to participate in the design of the EJOI 2026 competition tasks.

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EJOI 2026 is organized by