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 account linking.

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

saywoo

2 problems

IDProblemDifficultyAcceptedSolvedStatus
507별점 테러rate-terrorSilver IV
55%
28Not tried
513달빛 등대의 섬moonlight-lighthouse-islandPlatinum III
40%
3Not tried