I'm glad to invite you to take part in Avito Code Challenge 2018 which starts on May/27/2018 17:50 (Moscow time). Any participant can join the round and it will be rated for each participant. Hope to see you among the participants!
Problems are prepared by me — Ildar Gainullin.
This round is conducted on the initiative and support of Avito. Avito.ru is a Russian classified advertisements website with sections devoted to general good for sale, jobs, real estate, personals, cars for sale, and services. Avito.ru is the most popular classifieds site in Russia and is the third biggest classifieds site in the world after Craigslist and the Chinese website 58.com.
Many thanks to Vladislav winger Isenbaev, Grigory vintage_Vlad_Makeev Reznikov, Ivan isaf27 Safonov，Alexander AlexFetisov Fetisov and Shiqing cyand1317 Lyu for the round testing, Nikolay KAN Kalinin for helping me to prepare the contest, and also to Mike MikeMirzayanov Mirzayanov for systems Codeforces and Polygon.
Participants will be offered eight problems and three hours to solve them. Scoring will be announced a bit later.
Avito presents nice gifts for participants. Top 30 participants and also 10 random participants with places 31-130 will be awarded with a special T-shirt.
I hope everyone will find interesting problem for themselves. Wish everyone a successful round and high ratings!
UPD，Scoring： 500 750 1250 1750 2250 2750 3250 3750
UPD，Editorial is ready： Editorial!
The winners of random t-shirts are: