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, Fedosik, kefaa2, Wind_Eagle, and PuRpLe_FoReVeR. Also greencis, aleex, Paliukh, programmer228, mrboorger, Chmel_Tolstiy, and Yaroslaff 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.
You can discuss the contest here after it's over.
Good luck everyone and I hope you'll enjoy the problems!
UPD 2: The contest is added to gym now.