Problem A
Gerrymandering

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Problem statistics

Submissions	3208
Accepted submissions	2040
Submission ratio	63.59%
Authors	1967
Accepted authors	1888
Author ratio	95.98%

#	User	Runtime	Date
1	Chenzhang Hu	0.09 s	2024-04-17 18:41:03

#	User	Runtime	Date
1	Henrik Hallbert	0.03 s	2019-10-13 18:56:05
2	Thomas Norris	0.04 s	2019-10-10 18:52:44
3	Gurpartap Singh Bhatti	0.04 s	2019-10-23 05:14:26
4	Michael Palkovics	0.04 s	2019-11-02 18:54:41
5	Simon Lundqvist	0.04 s	2020-01-26 21:37:52
6	Per Wendt	0.04 s	2020-08-24 16:33:27
7	Samuel Jefferis	0.04 s	2020-09-04 16:20:41
8	Georgios Leandros Kyriazis	0.04 s	2020-11-24 07:51:50
9	Sebastian Gielinger	0.05 s	2019-11-27 12:15:44
10	Muhammed Edip Okur	0.05 s	2019-12-20 07:48:19

#	User	Runtime	Date
1	David Cawthon	0.04 s	2020-07-13 02:03:29
2	wibi	0.04 s	2020-08-25 18:45:17
3	Hidden user	0.05 s	2020-01-19 02:28:01
4	John Dandy	0.06 s	2020-02-05 02:52:17

#	User	Runtime	Date
1	Jacob Harris Cryer Kragh	0.06 s	2022-06-17 21:51:56
2	Patrick Bahr	0.07 s	2021-02-20 17:37:42

#	User	Runtime	Date
1	Norbert Voelker	0.08 s	2021-01-23 00:51:08
2	Krzysztof Gibuła	0.08 s	2021-04-26 23:42:35
3	Mohamed Ramrami	0.31 s	2020-05-01 14:37:53

#	User	Runtime	Date
1	Jan Hrček	0.01 s	2020-10-20 17:05:11
2	Steinar Simonnes	0.01 s	2024-02-16 19:08:16
3	Caleb Surovik	0.02 s	2021-06-22 20:10:57
4	Brent Yorgey	0.03 s	2020-08-07 05:12:46
5	Hidden user	0.06 s	2019-10-06 12:14:03
6	Lim Ming Yean	0.07 s	2020-04-04 17:46:33
7	Ng Tek In	0.07 s	2022-08-13 05:00:52
8	Andrés Marzal Varó	0.08 s	2020-10-11 11:42:25
9	Daniel Cabral	0.08 s	2022-04-08 20:12:26
10	Arman Shamsgovara	0.08 s	2023-01-13 16:36:59

#	User	Runtime	Date
1	Sven Rönnbäck	0.07 s	2022-12-25 21:33:50
2	Bjørn Dons	0.10 s	2019-10-06 20:23:42
3	Logan Pipes	0.13 s	2021-07-15 01:09:50
4	Yusuf Kharoda	0.14 s	2020-07-03 18:37:13
5	Michael Wang	0.14 s	2021-02-10 07:10:27
6	Sparsh Sanchorawala	0.14 s	2023-01-28 21:04:22
7	Liam Keliher	0.14 s	2023-07-22 16:59:23
8	Sunghun Lee	0.15 s	2019-10-05 21:51:08
9	Pradeep Yarlagadda	0.15 s	2022-12-22 09:23:55
10	Emil Bak-Møller	0.16 s	2019-10-08 15:54:14

#	User	Runtime	Date
1	Hidden user	0.46 s	2019-12-19 13:40:12
2	John	0.46 s	2020-07-20 09:07:18
3	Chris Wong	0.47 s	2021-02-03 17:07:42
4	Nick Ivanov	0.49 s	2020-03-06 03:33:49
5	Andoko Chandra	0.53 s	2020-10-05 15:33:40

#	User	Runtime	Date
1	Hidden user	0.04 s	2019-10-06 00:41:24
2	Peter Menyes	0.04 s	2021-02-05 20:53:58
3	Bjørn Chr. Soltvedt	0.05 s	2019-10-23 20:52:12
4	Christian Cederquist	0.05 s	2022-11-17 08:44:33
5	Nicklas Utgaard	0.06 s	2019-10-27 01:42:48

#	User	Runtime	Date
1	Timothy Gaede	0.67 s	2024-04-09 16:12:39

#	User	Runtime	Date
1	Jacob Huebner	0.17 s	2022-02-01 21:40:46
2	Jonathan Soo	0.22 s	2020-02-07 05:12:40
3	Albert Pala	0.25 s	2021-06-30 16:46:01
4	Hidden user	0.32 s	2019-12-16 12:50:20
5	Adam Rankin	0.32 s	2023-05-09 04:02:28
6	Dayan Ruben Gonzalez	0.40 s	2020-10-16 22:04:07
7	Troy Warmboe	0.42 s	2020-02-07 01:33:49
8	Hidden user	0.43 s	2020-03-26 00:09:06

#	User	Runtime	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	0.01 s	2023-11-14 17:08:19

#	User	Runtime	Date
1	Ingemar Ragnemalm	0.00 s	2019-10-23 22:03:47

#	User	Runtime	Date
1	Helbin Grégory	0.01 s	2020-02-09 11:28:13
2	Renate	0.01 s	2021-05-23 00:47:59
3	Andre Wahyudi	0.01 s	2022-12-12 10:21:42

#	User	Runtime	Date
1	Andrei Stoica	0.04 s	2020-08-22 22:24:41
2	Sigurður Jens Albertsson	0.05 s	2019-11-22 18:01:00
3	Hasan Kalzi	0.05 s	2022-06-18 10:33:44
4	Lim Hong Hui Eugene	0.06 s	2019-10-09 04:25:29
5	NickGeo	0.06 s	2019-10-19 00:18:20
6	Lawrence Koh	0.06 s	2020-03-16 10:28:48
7	Maj Stenmark	0.06 s	2020-03-29 15:41:56
8	Yanmarshus Bachtiar	0.06 s	2020-08-28 10:37:04
9	Björn Martinsson	0.07 s	2019-10-05 21:00:58
10	Andreas Björklund	0.08 s	2019-10-06 11:33:21

#	User	Runtime	Date
1	Jason Yuen	0.03 s	2019-10-05 20:30:49
2	Suyie Zhi	0.03 s	2019-10-05 21:01:39
3	Quang Lam	0.03 s	2019-10-05 21:11:31
4	Kevin Gao	0.03 s	2019-10-05 21:21:33
5	Sam Thomas	0.03 s	2019-10-05 21:37:11
6	Benjamin Stutzman	0.03 s	2019-10-05 21:37:43
7	Johnson Zhou	0.03 s	2019-10-05 21:41:55
8	Jinhui Wang	0.03 s	2019-10-05 21:44:02
9	Lucas Liu	0.03 s	2019-10-05 21:45:11
10	Lauren Sarah Watson	0.03 s	2019-10-05 21:52:29

#	User	Runtime	Date
1	Will Belote	0.05 s	2019-10-07 06:42:33
2	Macdara mac an tSionnaigh	0.05 s	2019-10-07 21:09:15
3	Hidden user	0.05 s	2019-10-08 18:16:15
4	Hadi Qovaizi	0.07 s	2021-06-23 10:16:04
5	Thomas Feld	0.07 s	2022-11-09 10:44:27

#	User	Runtime	Date
1	Klas af Geijerstam	0.01 s	2019-12-20 09:23:20
2	Alex G	0.01 s	2020-02-13 13:37:55
3	Isak Jägberg	0.01 s	2020-07-29 12:13:09
4	Albert Rise Nielsen	0.01 s	2020-10-13 23:59:21
5	David Rasch	0.01 s	2020-11-26 11:45:34
6	Eric Pinter	0.01 s	2021-05-29 04:34:51
7	Freek van Keulen	0.01 s	2021-07-13 19:51:26
8	Kok Dith	0.01 s	2021-08-03 09:27:58
9	Bas Dirks	0.01 s	2022-01-14 13:30:59

#	User	Length	Date
1	Chenzhang Hu	5	2024-04-17 18:41:03

#	User	Length	Date
1	Martin Blom	329	2024-01-05 11:50:39
2	Magnus Wass	662	2020-03-05 00:03:12
3	PhilCampbell	797	2020-12-26 13:19:49
4	Emil Wihlander	814	2020-11-28 15:04:03
5	Aileen Zhu	831	2019-12-17 21:26:21
6	Ximun Castoreo	853	2020-07-02 13:43:19
7	Hidden user	902	2024-01-07 16:56:07
8	Andrew Roberts	919	2019-12-11 19:57:36
9	Muhammed Ali Aytürk	931	2020-05-27 14:57:44
10	Mikael K Eriksson	939	2021-02-19 08:11:23

#	User	Length	Date
1	Göran Andersson	1056	2022-05-11 01:01:35
2	Thomas Norris	1232	2019-10-10 18:52:44
3	Per Wendt	1519	2020-08-24 16:33:27
4	Victor Hultén Mattsson	1849	2021-07-07 22:07:14
5	Michael Palkovics	1893	2019-11-02 18:54:41
6	Samuel Jefferis	2126	2020-09-04 16:20:41
7	Simon Lundqvist	2154	2020-01-26 21:37:52
8	Sebastian Gielinger	2283	2019-11-27 12:16:43
9	Henrik Hallbert	2390	2019-10-13 18:56:05
10	Georgios Leandros Kyriazis	2414	2020-11-24 07:51:50

#	User	Length	Date
1	Hidden user	505	2020-01-25 17:01:18
2	Kyle Yip	529	2019-10-13 00:20:37
3	Peiyao Sheng	576	2019-10-05 21:55:09
4	Aleksandar Krastev	586	2019-10-05 22:09:40
5	Wen Li Looi	587	2019-10-05 20:38:03
6	Tan Teong Seng	590	2020-09-16 14:44:01
7	Hidden user	596	2020-08-19 14:19:21
8	Grae Yeandle	602	2019-10-20 17:53:05
9	Yipeng Yang	603	2019-10-05 21:45:01
10	Heehyun Park	607	2019-10-16 01:11:29

#	User	Length	Date
1	John Dandy	978	2020-02-05 02:52:17
2	Hidden user	1061	2020-01-19 02:28:01
3	wibi	1132	2020-08-25 18:45:17
4	David Cawthon	2620	2020-07-13 02:03:29

#	User	Length	Date
1	Jacob Harris Cryer Kragh	1354	2022-06-17 21:51:56
2	Patrick Bahr	2467	2021-02-20 17:37:42

#	User	Length	Date
1	Mohamed Ramrami	682	2020-05-01 14:37:53
2	Krzysztof Gibuła	1131	2021-04-26 23:42:35
3	Norbert Voelker	1334	2021-01-23 00:51:08

#	User	Length	Date
1	David Zacek	924	2021-05-11 00:21:12
2	Arman Shamsgovara	1122	2023-01-13 16:36:59
3	Johan Adamsson	1135	2020-02-15 22:14:36
4	Caleb Surovik	1160	2021-06-22 20:10:57
5	Daniel Cabral	1173	2022-04-08 20:12:26
6	Ng Tek In	1261	2022-08-13 05:00:52
7	Lim Ming Yean	1307	2020-04-04 17:46:33
8	Steinar Simonnes	1516	2024-02-16 19:10:07
9	Andrés Marzal Varó	1598	2020-10-11 11:42:25
10	Jan Hrček	2187	2020-10-20 17:05:11

#	User	Length	Date
1	Shawn Hatchwell	780	2019-10-09 22:35:09
2	Natalie Longtin	790	2019-10-05 21:46:52
3	Carter Henderson	794	2021-11-29 18:25:34
4	Jason Liu	819	2023-04-29 03:20:16
5	Suyan Qu	831	2019-10-05 20:59:07
6	Lior Barak	847	2019-10-05 21:30:24
7	Christopher Chapman	856	2019-10-05 21:33:40
8	Shang-En Huang	864	2022-09-26 05:32:55
9	Mark Lang	874	2019-10-05 21:13:50
10	Matt McLaughlin	891	2021-03-02 22:31:35

#	User	Length	Date
1	Andoko Chandra	1796	2020-10-05 15:33:40
2	Nick Ivanov	2174	2020-03-06 03:33:49
3	John	2373	2020-07-20 09:07:18
4	Chris Wong	2474	2021-02-03 17:07:42
5	Hidden user	2604	2019-12-19 13:40:12

#	User	Length	Date
1	Bjørn Chr. Soltvedt	663	2019-10-23 23:23:30
2	Christian Cederquist	684	2022-11-17 08:44:33
3	Peter Menyes	896	2021-02-05 20:53:58
4	Hidden user	899	2019-10-06 00:41:24
5	Nicklas Utgaard	1476	2019-10-27 01:42:48

#	User	Length	Date
1	Timothy Gaede	1946	2024-04-09 16:12:39

#	User	Length	Date
1	Dayan Ruben Gonzalez	786	2020-10-16 22:04:07
2	Adam Rankin	1095	2023-05-09 04:02:28
3	Hidden user	1271	2019-12-16 12:50:20
4	Troy Warmboe	1460	2020-02-07 01:33:49
5	Albert Pala	1528	2021-06-30 16:46:01
6	Hidden user	1530	2020-03-26 00:09:06
7	Jacob Huebner	1914	2022-02-01 21:40:46
8	Jonathan Soo	3850	2020-02-07 05:12:40

#	User	Length	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	1005	2023-11-14 17:08:19

#	User	Length	Date
1	Ingemar Ragnemalm	1058	2019-10-23 22:03:47

#	User	Length	Date
1	Renate	1111	2021-05-23 00:47:59
2	Andre Wahyudi	1486	2022-12-12 10:21:42
3	Helbin Grégory	2564	2020-02-09 11:28:13

#	User	Length	Date
1	Thomas Feld	327	2019-10-08 16:09:44
2	Andreas Björklund	435	2019-10-06 11:33:21
3	Lars Åström	460	2019-10-27 16:42:15
4	Jesper Öqvist	477	2019-10-18 15:58:26
5	Ethan Arnold	513	2019-10-27 20:11:00
6	Sigurður Jens Albertsson	559	2019-11-22 18:01:00
7	Lim Hong Hui Eugene	564	2019-10-09 04:25:29
8	Johan Lyts	574	2019-10-26 15:06:47
9	Maj Stenmark	610	2020-03-29 15:41:56
10	Godmar Back	627	2019-10-06 19:57:39

#	User	Length	Date
1	Adam Levav	236	2023-01-24 03:35:08
2	Charles Ancheta	252	2023-04-07 21:08:16
3	Ahmed Chamseddine	323	2024-03-11 16:41:15
4	Thibault Raffaillac	360	2023-07-30 14:22:26
5	Yong Mao	365	2023-07-23 03:07:29
6	Christian Blumenthal	381	2020-07-09 03:08:41
7	Bryon Tjanaka	388	2019-10-27 23:17:21
8	Lim Dewen, Aloysius	412	2021-05-03 09:07:21
9	Roger Bongers	414	2020-03-06 23:39:48
10	Mukerem Ali	417	2022-08-14 19:39:39

#	User	Length	Date
1	Thomas Feld	183	2022-11-09 11:01:50
2	Hidden user	449	2019-10-08 18:16:15
3	Macdara mac an tSionnaigh	533	2019-10-07 21:09:15
4	Will Belote	821	2019-10-07 06:42:33
5	Hadi Qovaizi	1659	2021-06-23 10:16:04

#	User	Length	Date
1	Klas af Geijerstam	1090	2019-12-20 09:23:20
2	David Rasch	1274	2020-11-26 11:45:34
3	Albert Rise Nielsen	1478	2020-10-13 23:59:21
4	Bas Dirks	1611	2022-01-14 13:30:59
5	Eric Pinter	1641	2021-05-29 04:34:51
6	Kok Dith	1665	2021-08-03 09:27:58
7	Freek van Keulen	1772	2021-07-13 19:51:26
8	Alex G	2228	2020-02-13 13:37:55
9	Isak Jägberg	3630	2020-07-29 12:13:09

Solution running time distribution