Hola, Codeforces!
We're glad to invite you to take part in Codeforces Round 978 (Div. 2), which will start on Oct/13/2024 22:35 (Moscow time). You will be given 5 problems and 2 hours to solve them. Some problems will be divided into subtasks.
This round is based on day two of the Mexican Olympiad in Informatics (OMI) 2024.
Please note the unusual starting time.
The team of writers is conformed by JuanPabloAmezcua, SebR, Marckess, and myself. We have spent a ton of effort setting the round as well as the Olympiad, we hope you enjoy it.
(This is our logo, cookie points if you can guess the names of the two characters in it)
The team would like to thank:
errorgorn for the most based coordination. The round exists thanks to him, the team loves you sir.
All the testers for their support and great feedback: blackyuki, Dominater069, frodakcin, bashkort, wyrqwq, prvocislo, Umi, MeGustaElArroz23, Ari, gxlois, Error_Yuan,_rey, LoboLobo, maomao90, oursaco, willy108, fishy15, AlperenT, JoenPoenMan, Skywk, ozy1220, Daniel19Frenzy, nyaruhodo, OmarFaridAM, karlamun, biank, alexbrii, El_Roge, SpecterByte, dazlersan1, juanbrau.or, HerreraDaniel, saultapiaprogra, viktorchares, mafflopez, tibinyte, zesty, RasecBadguy
Alexdat2000 for translating statements.
KAN for believing in the project.
ocarima the godfather of the Mexican Olympiad in Informatics, for believing in us, all his support and pushing us to grow.
MikeMirzayanov for creating codeforces, and sorry but I have to say this, the amazing system Polygon.
Score distribution: 750 + 1000 + 1750 + (1750 + 2000) + (2250 + 1000)
We wish you happy coding and good luck to all participants!
Winners Div 1:
Winners Div 2:
First solve for each problem:
UPD 1: We have added new testers and score distribution.
UPD 2: There is at least one interactive problem, so please read the guide for interactive problems if you are unfamiliar with them.
UPD 3: The editorial is ready. Congratulations to the winners and first solves for each problem!
