Hi everyone. I'm glad to announce that the Codeforces Round 520 (Div. 2) will be held on Nov/14/2018 18:35 (Moscow time).
The round will be rated for Div 2 participants (whose rating lower than 2100). However, all the other participants can compete as well, without worrying about ratings.
You will be given 2 hours to solve 6 problems. It's better to read all the problems. The