It seems that Codeforces is flooded with spam bots now. Unrated spam bots have a long history on this site. The only difference is that now they work in an automated matter, instead of people who think like bots. So why are they able to write posts in the first place?
Enough rant, Baltic Olympiad in Informatics 2023 is held in Lyngby, Denmark. Good luck to all participants!
Day 1 mirror starts in an hour. Let's discuss the problems after the contest.
