We are glad to invite you to our Codeforces Round Codeforces Round #810 (Div. 1) and Codeforces Round #810 (Div. 2) which will be held on 24.07.2022 17:35 (Московское время). This round will be rated for participants of both divisions. Participants in each division will be offered 5 problems and 2 hours to solve them. The two divisions will share 3 problems.
The problems are prepared by me and zxyoi. We hope that everyone will enjoy this round!
We are sincerely thankful for the help provided by:
dario2994 for his marvelous coordination of this round,
wyyxhjth for providing feedback on our early ideas,
flukehn,FairyWinx,snewptl,Vladithur,naman1601,dorijanlendvaj,c337134154,STommydx,LeoRiether,hxu10,Warriors_fsy,idxcalcal,jiaangk_,yakamoto,kiwiHM,ILoveSetsuna,forxen for testing our round and giving detailed feedback,
FairyWinx for finding that one of our problems is coincident with a well-known problem (We replaced it),
Vladithur for polishing our statements,
KAN for his great help to our round,
MikeMirzayanov for the amazing Codeforces and Polygon platforms!
We tried our best to have detailed, clear, and short statements. I think that anyone can find some interesting problems in this contest. We suggest to read all the statements.
The score distribution will be announced later.
Wish you good luck and high rating!
For some reason, we have removed one of our problems. So now participants in each division will be offered 5 problems and 2 hours to solve them.
The score distribution is:
We have some more testers now, let's thank them!
We adjusted our score distribution slightly.
UPD3: the Div. 1 part of the round is declared unrated.
Sorry for the late editorial.
Congratulate to winners: