Everyone knows that there are quite a few cheaters on rating rounds, but there were a lot of cheaters on the last round.
In the top 20 official users there are at least 10 users with a rating of less than 1200. This is a lot and the situation is terrible. Codeforces need a new anti-cheat system.
But I also want to say that competive programming (and not only, I think this applies to all industries) after the development and improvement of AI will move into a new era