DOJ logoDOJ
Problems
Recently added problemsSaved problemsWorkbooks
CategoriesDLCContestsGroupsTeamsBoard
Ranking
Solved Problem RankingStreak rankingDOJ Power ranking
Status
Call for TasksLoginRegister
DOJ logoDOJ

Community online judge with OI-style subtask scoring, Elo ratings, and Discord-backed certification.

Problems
ProblemsCategories
Community
ContestsRankingBoardNoticesHost an external contestGuide
Account
LoginRegisterJudge Status
Policy
Terms of ServiceDLC RulesPrivacyAPI documentationLanguage runtimesContest rank rewardsRating and performance
© 2026 DOJ
All rights reserved

내문제 Standings

Back to problemset
6h 0m
Rank↑User↕
A1-2-3-many
Bmbti2
Ctaebo
Dsimplecoineasy
Ebracket-manipulation
Ftriplespike
Gsimplecoin
Hconvex-hull-and-queries
Iprime-factorization-game
Jsquare
Kkhuonsquestion
Lbinary-baseball
Mmap
Ncasino
Opizzayum
Pright-turn
Qpower-station
Global↕
1
ysyh0808
00000000000000000
00:00:00