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Lake Balaton is a freshwater lake in the Transdanubian region of Hungary. We, Hungarians, call it the „Hungarian sea”, because

Introduction The biggest test track in Central Europe is located in Zalaegerszeg. It is unique, the traditional test track features

If you are interested in CEOI 2020 news, events and activities, please follow our Facebook page.  

Are you interested in what kind of tasks the competitors solve? We have collected all the competition tasks on this website:

There are a lot of exciting programs waiting for the participants. The main venues are shown on the map below.

Batthyány Lajos High School is an influential centre of the cultural life in the region with a long and rich

The registration is open for the Team Leaders. We are looking forward to your registration based on the information available

We are committed to organising this year’s CEOI in Nagykanizsa, from 23th till 29th of August, as we announced two

Hungary has a long tradition in organising scientific contests for secondary school students, in most school subjects including mathematics, physics,

Dear Visitors, as you may be well aware, the current outbreak of Coronavirus is causing uncertainty in many areas of

The Faculty of Informatics is the youngest faculty (2003) of the  ELTE. Almost 3000 students decided to study computer science

The John von Neumann Computer Society (Neumann János Számítógép tudományi Társaság, NJSZT) is a financially stable non governmental organisation devoted