This weekend, the Baltic Olympiad in Informatics 2022 (BOI 2022) is going to take place! BOI is a programming contest for secondary school students from countries around or close to the Baltic sea. This year, around 70 contestants from Denmark, Estonia, Finland, Germany, Iceland, Latvia, Lithuania, Norway, Poland, Sweden and our guest countries Israel and Ukraine will compete against each other, solving difficult problems of algorithmic nature. Each participating country sends 6 contestants from their national olympiads which take place in the months beforehand.
The contest consists of two days, Saturday and Sunday, on each of which the contestants have 5 hours to solve 3 problems of varying difficulty. Each problem is worth 100 points that are distributed into multiple subtasks with different constraints that allow the participants to earn partial scores. During the contest, each participant receives the verdict of the execution of their solutions on all tests.
While BOI 2020 and BOI 2021 were virtual only, we are excited to meet most BOI contestants this year in-person! BOI 2022 is hosted onsite in the beautiful city of Lübeck, a historical German town on the Baltic Sea, member of the „Hanse“ trade union of cities. Only the contestants from Israel participate from their own country in a proctored online setting. For more information about the contest, visit the official website at boi2022.de.
Furthermore, we hope to be able to host an online mirror of BOI 2022 for all those who are waiting for a sequel to the story of the BOI contestant turned art thief. However, the online mirror will be held at least one week later than the actual contest. We will publish more details about the mirror in the coming week.
We wish all BOI contestants an enjoyable onsite contest and hope that the coming olympiads can be hosted in-person, too!
-- BOI 2022 committee
Update: The official contests are now over. Congratulations again to all the medalists and in particular to the overall winner of BOI 2022, antekb! In the end, 36 medals were awarded to official contestants, with the guest delegation of Ukraine winning 4 out of 7 gold medals. We will publish the official results of this year's BOI after the online mirror.
Speaking of the online mirror, we are happy to invite you to participate in the online mirror of BOI 2022 on Saturday, May 7, 2022 at 8:00 UTC and Sunday, May 8, 2022 at 8:00 UTC! The mirror will be held on CMS which was also used for the official contest. To register for the online mirror, visit contest.boi2022.uni-luebeck.de. You need to register there, before participating.
Update: The official results are now published here, but without the task-wise scores for now. They will be added after the online mirror is over. We hope you enjoy the problems in the mirror tomorrow!
Update: The online mirror of the first day is over! We hope you liked the problems. You can see the scoreboard of the online mirror here, and you can compare your results with the results of the official contestants on this scoreboard.
Note: If you want to know how the story of the hypothetical art heist continues, we highly recommend that you also participate in the online mirror of day 2. However, note that if you have already created an account for day 1, you still have to join the mirror of day 2. This works by going to the registration page and using the option "Join contest" there.
Update: The mirror of day 2 is now over, too. We hope that the tasks, especially communication, were a challenge for you ;-) You can see the combined results of day 1 and day 2 on the same scoreboards as before, the ranking of the online mirror here and the official results here. We will publish all tasks together with their spoilers and the test data in coming days on the official website.