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
DOJ/Beginner Contest DOJ/BCD 5
PROBLEMSET

BCD 5

Leaf category100 min virtualHidden scoreboard
[0]

Virtual participation

Log in required

Scoreboard

Standings
#ProblemDifficultyAcceptanceSolvedStatus
ALemon Melon CookiecookieBronze I
54%
75Opens after virtual start
BConstruct a SequencesequenceSilver IV
82%
63Opens after virtual start
CUnusual PermutationunusualGold IV
43%
52Opens after virtual start
DMovingmovingGold III
50%
56Opens after virtual start
Eyet another mst problemyetanothermstproblemPlatinum II
6%
20Opens after virtual start
FModular Range CountingcountingGold II
33%
39Opens after virtual start
GReserve Maintenance TeamreserveUnrated
13%
4Opens after virtual start
Open linked main contest