We are hosting a mirror of Balkan Olympiad in Informatics 2023 at Eolymp. You are able to submit your solutions for testing, or do a virtual 5-hour competition to get the similar experience with real on-site competition.
Here is a link to both days of BOI at Eolymp: https://basecamp.eolymp.com/en/contests?series=balkoi
As a part of scientific committee, I would like to thank everybody participating in BOI and upsolving tasks! Hope you got great experience!