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

2026 Centroid Cup Open Contest Standings

4h 0m
Rank↑User↕
☀️real-constructive
🎫ticket-check
⭐rate-terror
🎲alea-jacta-est
📐minimum-area-orthogonal-lattice-polygon
➕digit-sum-decomposition
👩‍👧‍👦permutation-lca
⚡power-station
🌙moonlight-lighthouse-island
🔢max-mex-matrix
🥛cent-cup
💘meeting-scheduler-hack
🧩sliding-puzzle
💠tessellation
🟥square-square-square
Global↕
1
azberjibiou
100100100100100100000100100100100100100
12002:46:52
2
khuicpc
100100100100100000000100100100100
9001:56:54
3
6729skl
100100100100100000000100100100100
9003:02:27
4
2
1001001001001000000000100100100
8001:28:27
5
dadasO8
100100100000000001000100100
6000:19:20
6
hyperbolic
1000100100100100000000000
5001:37:54
7
akrobatik
10010010010000000000000
4000:28:45
8
AdTerram
10010010000000000000100
4001:31:19
9
middle_man
100100100000000000000
3000:06:34
10
js7777
1000000000000000100
2000:16:26
11
RyuZU
1000100000000000000
2000:26:53
12
orange
1000100000000000000
2002:12:13
13
carrrot
1001000000000000000
2003:38:20
14
jtw7913
1001000000000000000
2003:51:06
15
hy9360
10000000000000000
1000:57:31
16
Admin
10000000000000000
1000:59:46
17
0
10000000000000000
1001:00:58
18
A
10000000000000000
1001:04:03
19
is_it_interactive
01000000000000000
1001:18:16
20
rich_chanel
10000000000000000
1002:52:27
21
tropical_potato
10000000000000000
1003:20:39
22
rohys
000000000000000
00:00:00
22
dadas09
000000000000000
00:00:00
22
cjh_cpp
000000000000000
00:00:00
22
encore
000000000000000
00:00:00
22
myminiharu
000000000000000
00:00:00