theodor.moroianu GRT_2018 paula, SWERC, Switzerland, ETH Zurich

KLPP de_sousa Haunted_Cpp, SWERC, Portugal, Universidade do Porto

UPD: nador.benedek Peti peti1234, CERC, Hungary, Eötvös Loránd University

skylinebaby Vince729 nikilrselvam , North America, USA, Stanford University

sam571128, galen_colin, Shayan, North America, USA, University of Maryland

MatheusAB srgioreinier cosenza, Latin America, Brazil, Instituto Militar de Engenharia (IME)

Badint vkgainz Bungmint, North America, USA, University of California, Berkeley

djq_cpp TLE duality, North America, USA, Massachusetts Institute of Technology (MIT)

yangster67, ikaurov, serichaoo, North America, USA, Columbia University

Giga_Cronos Leonardo16 AGG, Latin America, Cuba, Havana University

Fujiwara_no_Mokou qlf9 leo020828, North America, USA, Cornell University

h_squared, stakudog, Simba, Asia West, Pakistan, GIKI

ElDiablo MridulAhi ghoul932, Asia West, India, IIT Delhi

-skyline- uuzlovetree remoon, Asia East, China, Nanjing University (NJU)

Eliaster Guess.Who Helal_Salloum, ACPC, Syria, Tishreen University

xpov1LL MeGustaElArroz23 Pablo-No, SWERC, Spain, Universitat Politècnica de Catalunya

Anonymous_Noob dranjohn LuCpp, NWERC, Germany, Karlsruhe Institute of Technology

YouKn0wWho Alfeh Raiden ,Asia West, Bangladesh, SUST

Don Gato estoy-re-sebado Fran2001 Tainel, Latin America, Argentina, Universidad Nacional de Rosario (UNR)

Northern Eurasia, Russia, Moscow Institute of Physics and Technology: Pechalka, Kapt, Tikhon228

Northern Eurasia, Russia, ITMO University: DishonoredRighteous, golikovnik, iakovlev.zakhar

JooDdae edenooo Justice_Hui, Asia Pacific, South Korea, Soongsil University

ericg joaozao nzo, Latin America, Brazil, Universidade do Estado de Santa Catarina (UDESC)

sg0071729 21cs01033 gakshat468 , Asia West, India, IIT Bhubaneswar

ParadigmShift, vikram108 and dhruvsomani, Asia West, India, IIT Guwahati.

Belarusian State University of Informatics and Radioelectronics, Northern Eurasia, Belarus: kartel, romarkovets, p3rfect

mcqueencin, aprohACk, Klaus26, Latin America, Colombia, Universidad Nacional de Colombia

gustavoleal Dayllon nelsi_sousa, Latin America, Brazil, Universidade Federal de Goiás (UFG)

DimmyT amanbol ivatopuria, Northern Eurasia, Kazakhstan, KBTU

nickbelov bobbilyking PMPuns, North America, USA, Rutgers University

North Eurasia, Russia, Higher School of Economics: alexxela12345, talant, daubi

North Eurasua, Russia, Saint Petersburg State University: turmax, LeoPro, fastmath

here's a user list with all participants: https://codeforces.me/list/97242cb3307fa89003045bdc647ea20e

Northern Eurasia, Belarus, Belarusian State University: MathBoy, ne4eHbKa, VEGAnn

Northern Eurasia, Kazakhstan, Astana IT University: dolbaeb, dimachine, nkamzabek

Northern Eurasia, Armenia, Yerevan State University: mcdx9524, Andreasyan, erankyun

Northern Eurasia, Russia, Novosibirsk State University: amokrousov, Lylova, Timonnable

Northern Eurasia, Russia, Moscow Aviation Institute: Inyutin, Belousov, Plyushkin

Northern Eurasia, Russia, Skolkovo Institute of Science and Technology: madn, kek1234, Goldman

Northern Eurasia, Georgia, I. Javakhishvili Tbilisi State University: Macharashvili, Pipia, Khvedelidze

Northern Eurasia, Kazakhstan, International IT University: HCPS42, sstrong, trainwithoutpain

Northern Eurasia, Georgia, Kutaisi International University: bebera, Nika_Tamliani, S4suke

Northern Eurasia, Russia, St. Petersburg State University of Industrial Technologies and Design: Romashenko, Kipriyanov, seiko.iwasawa