Hello everyone :)
We are happy to announce that XXI Open Cup, GP of Belarus will take place on February 14, 2021 at 11:00 MSK.
The authors of the problems are gepardo, kimden, Mediocrity, 244mhq, Wind_Eagle, and PuRpLe_FoReVeR. Also greencis, aleex, RED_INSIDE, programmer228, mrboorger, Chmel_Tolstiy, and gosuto took part in preparing the contest.
This contest was in Petrozavodsk, so if you have been there and have seen the problems, do not solve it now.
Links: Div. 1, Div. 2. You need an Open Cup login to participate.
You can discuss the contest here after it's over.
Good luck everyone and I hope you'll enjoy the problems!
UPD: Editorial
UPD 2: The contest is added to gym now.