Problem A
A Mazing! — Problem Statistics

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Submissions	6014
Accepted submissions	1529
Submission ratio	25.42%
Authors	758
Full solves [?]	511
Full solve Ratio	67.41%

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	C	2018-01-28 21:40:21
2	Sascha	0.11 s	C	2024-06-03 19:08:31
3	Alexander Bilde Pedersen	0.12 s	C	2023-06-28 23:21:34
4	Richard Ewald	0.16 s	C	2022-12-15 22:24:00
5	Martin Björklund	0.20 s	C	2021-04-30 15:23:44

#	User	Runtime	Language	Date
1	Gustav Kalander	0.18 s	C#	2018-06-08 17:33:25
2	Linus Ekblom	0.19 s	C#	2020-12-02 20:17:00
3	Jakub Jagiello	0.19 s	C#	2020-12-03 13:17:02
4	Martin Mörsell	0.24 s	C#	2020-12-01 20:09:31
5	Viktor Ekblom	0.28 s	C#	2020-11-29 15:19:08
6	Jens Mellberg	0.34 s	C#	2023-12-27 01:48:59
7	Kris O'Bryan	0.39 s	C#	2020-07-29 21:06:35

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	C++	2018-01-29 01:14:46
2	Håvard Stuberg	0.11 s	C++	2018-01-24 14:46:10
3	Olav Dahl Larsen	0.11 s	C++	2018-01-24 15:07:37
4	Preben Bucher-Johannessen	0.11 s	C++	2018-01-25 09:49:30
5	Gøran Solheim Humlestøl	0.11 s	C++	2018-01-25 14:31:22
6	Minh Phúc Lê	0.11 s	C++	2018-02-09 09:02:59
7	Kevin Chevalier	0.11 s	C++	2019-08-19 22:11:43
8	Lorenzo Carlin	0.11 s	C++	2023-04-07 10:24:54
9	Sascha	0.11 s	C++	2024-06-05 15:38:32
10	Hidden user	0.12 s	C++	2017-10-21 18:52:08

#	User	Runtime	Language	Date
1	Mike Nguyen	0.15 s	Go	2024-03-04 02:31:39
2	Viktor Mörsell	0.21 s	Go	2020-11-28 11:51:34
3	Viktor Mörsell	0.22 s	Go	2020-11-26 20:21:29

#	User	Runtime	Language	Date
1	Stian	0.80 s	Haskell	2021-10-14 15:13:43
2	Steinar Simonnes	0.94 s	Haskell	2025-03-18 15:14:11
3	Edmunds Cers	0.94 s	Haskell	2025-08-13 20:52:09
4	Morten Lohne	0.95 s	Haskell	2018-01-23 13:49:58
5	Birk Tjelmeland	0.98 s	Haskell	2018-01-23 19:05:30

#	User	Runtime	Language	Date
1	Bjørn Dons	0.35 s	Java	2018-11-27 01:08:06
2	André Berge	0.48 s	Java	2018-10-09 18:47:24
3	Emil Bak-Møller	0.48 s	Java	2020-09-23 15:21:00
4	Mitch Price	0.50 s	Java	2017-10-24 01:00:22
5	Jeremy Lim	0.50 s	Java	2024-04-09 04:43:52
6	Crystal Sharpe	0.51 s	Java	2020-07-19 03:37:27
7	Aldo Chow	0.52 s	Java	2017-10-22 21:22:35
8	Simen Lone	0.52 s	Java	2018-02-16 00:53:05
9	Ronald Rojas	0.53 s	Java	2017-10-21 20:04:42
10	Hsu Zhong Jun	0.53 s	Java	2019-07-28 17:12:48

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.17 s	JavaScript (SpiderMonkey)	2023-07-04 22:51:44
2	Bjørn Chr. Soltvedt	0.28 s	JavaScript (SpiderMonkey)	2018-08-07 12:41:13

#	User	Runtime	Language	Date
1	Danny Mittal	0.65 s	Kotlin	2020-10-08 20:05:21
2	Hidden user	0.78 s	Kotlin	2020-10-11 19:39:03
3	Aksel Holbek Sørbye	0.93 s	Kotlin	2025-10-21 18:07:06

#	User	Runtime	Language	Date
1	Sigurður Jens Albertsson	0.21 s	Python 2	2017-11-30 21:27:58
2	Jeff Robertson	0.22 s	Python 2	2017-10-21 19:57:24
3	Haochen Chen	0.27 s	Python 2	2017-10-23 03:16:39
4	Adam Barth	0.30 s	Python 2	2017-10-21 18:43:57
5	Thore Husfeldt	0.32 s	Python 2	2019-04-02 15:19:09
6	Øyvind Haarberg	0.33 s	Python 2	2018-01-25 16:39:37
7	Mel Shu	0.34 s	Python 2	2017-11-10 21:54:18
8	Hidden user	0.35 s	Python 2	2019-11-25 23:26:08
9	Aarav Singh	0.44 s	Python 2	2017-10-21 19:57:03
10	Nasser Miah	0.46 s	Python 2	2018-03-06 21:54:58

#	User	Runtime	Language	Date
1	Linus Eklund	0.21 s	Python 3	2019-11-13 21:11:28
2	Tolga Atam	0.21 s	Python 3	2024-11-07 04:03:35
3	Kevin Wang	0.24 s	Python 3	2017-10-24 23:02:56
4	Jonathon Arbaugh	0.25 s	Python 3	2017-10-21 19:02:52
5	Shawn Mathew	0.26 s	Python 3	2017-10-21 21:00:32
6	David Ludwig	0.26 s	Python 3	2019-10-15 06:25:31
7	Christoph Dürr	0.26 s	Python 3	2024-09-16 14:55:44
8	Torstein Strømme	0.27 s	Python 3	2017-11-25 23:13:38
9	Andrew Fong	0.27 s	Python 3	2024-10-18 05:09:31
10	Trym Rødvei	0.28 s	Python 3	2019-01-21 18:11:08

#	User	Runtime	Language	Date
1	Odin Hufnagl	0.23 s	Ruby	2024-02-07 11:10:58

#	User	Runtime	Language	Date
1	Jakub Jagiello	0.11 s	Rust	2020-07-23 09:42:59
2	Stian Soltvedt	0.12 s	Rust	2019-01-29 20:12:46
3	Daniel Anker Hermansen	0.12 s	Rust	2023-04-04 09:22:46
4	James Felder	0.12 s	Rust	2024-04-04 23:26:13
5	Vincent Lagerros	0.13 s	Rust	2025-10-17 21:59:06
6	Artur Khuziakhmetov	0.13 s	Rust	2025-11-14 08:44:24
7	Adam Yaser Sweilem	0.14 s	Rust	2025-03-02 14:14:22
8	A Potato	0.15 s	Rust	2025-10-06 14:45:13
9	Klas af Geijerstam	0.16 s	Rust	2020-06-05 14:01:46
10	Yoeri Otten	0.17 s	Rust	2021-09-09 13:06:39

#	User	Length	Language	Date
1	Hidden user	681	C	2018-01-29 08:16:25
2	Martin Björklund	1515	C	2021-04-30 15:23:44
3	Sascha	2086	C	2024-06-03 18:19:01
4	Alexander Bilde Pedersen	2390	C	2023-06-28 23:21:34
5	Richard Ewald	3217	C	2022-12-16 01:39:35

#	User	Length	Language	Date
1	Gustav Kalander	2131	C#	2018-06-08 17:33:25
2	Jakub Jagiello	2503	C#	2020-12-03 13:55:27
3	Viktor Ekblom	3246	C#	2020-11-28 23:49:12
4	Linus Ekblom	3561	C#	2020-12-02 20:17:00
5	Jens Mellberg	4601	C#	2023-12-27 01:48:59
6	Martin Mörsell	4837	C#	2020-11-18 23:26:53
7	Kris O'Bryan	10685	C#	2020-07-29 21:06:35

#	User	Length	Language	Date
1	William Gan	610	C++	2018-12-06 04:17:53
2	Birk Tjelmeland	620	C++	2017-11-13 11:21:56
3	Hidden user	681	C++	2018-01-29 08:15:43
4	Jeremy Lim	687	C++	2024-02-18 05:24:57
5	Akif Patel	727	C++	2019-04-25 05:04:05
6	Jerrell Ezralemuel	792	C++	2020-01-27 04:41:21
7	Hidden user	796	C++	2023-04-28 08:40:09
8	Armen Andreasyan	811	C++	2021-06-21 10:45:36
9	Lorenzo Ferrari	823	C++	2022-03-05 11:37:28
10	Tabitha Chippendale	829	C++	2023-04-05 14:33:39

#	User	Length	Language	Date
1	Mike Nguyen	836	Go	2024-03-04 02:41:51
2	Viktor Mörsell	1138	Go	2020-11-26 21:39:53
3	Viktor Mörsell	1138	Go	2020-11-27 21:28:21

#	User	Length	Language	Date
1	Birk Tjelmeland	1380	Haskell	2018-01-23 19:05:30
2	Steinar Simonnes	1484	Haskell	2025-03-18 15:12:25
3	Morten Lohne	1611	Haskell	2018-02-18 20:27:27
4	Edmunds Cers	1668	Haskell	2025-08-13 20:53:03
5	Stian	3976	Haskell	2021-10-14 15:14:09

#	User	Length	Language	Date
1	Jacob Magnuson	743	Java	2019-04-11 03:14:52
2	Ryan Hunt	1022	Java	2017-11-09 05:48:35
3	Jeremy Lim	1122	Java	2023-11-20 18:51:17
4	Doug Goodman	1222	Java	2020-03-07 18:55:20
5	Bryan Ngu Shu Yu	1276	Java	2024-11-12 03:16:31
6	Crystal Sharpe	1334	Java	2020-07-19 03:37:27
7	Ong Wei Hong	1368	Java	2022-07-22 01:59:37
8	Kelvin Peng	1463	Java	2020-10-08 02:47:32
9	Jiru Xu	1479	Java	2017-10-23 23:06:10
10	Jonas Mossin Wagle	1486	Java	2018-02-11 13:17:58

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	959	JavaScript (SpiderMonkey)	2023-07-04 22:51:44
2	Bjørn Chr. Soltvedt	1078	JavaScript (SpiderMonkey)	2018-08-07 12:41:13

#	User	Length	Language	Date
1	Danny Mittal	954	Kotlin	2020-10-08 20:05:21
2	Hidden user	2497	Kotlin	2020-10-11 19:39:03
3	Aksel Holbek Sørbye	3532	Kotlin	2025-10-21 18:05:28

#	User	Length	Language	Date
1	Øyvind Haarberg	1059	Python 2	2018-01-25 16:39:37
2	Sigurður Jens Albertsson	1123	Python 2	2017-11-30 21:27:58
3	Adam Barth	1129	Python 2	2017-10-21 18:43:57
4	Hidden user	1217	Python 2	2019-11-25 23:27:06
5	Haochen Chen	1263	Python 2	2017-10-23 03:16:39
6	Thore Husfeldt	1357	Python 2	2019-04-02 15:19:09
7	Jeff Robertson	1389	Python 2	2017-10-21 19:57:24
8	Alex Van Keulen	1415	Python 2	2018-02-02 22:11:51
9	Mel Shu	1571	Python 2	2017-11-10 21:54:18
10	Aarav Singh	1992	Python 2	2017-10-21 19:57:03

#	User	Length	Language	Date
1	Lawry Sorenson	263	Python 3	2025-03-27 19:48:18
2	Sander Oppen	447	Python 3	2025-11-07 18:29:48
3	Simen Sørensen	559	Python 3	2025-05-07 21:27:27
4	Caleb Dastrup	563	Python 3	2025-03-28 17:34:12
5	Julie Lagoni	575	Python 3	2025-02-11 15:36:56
6	Jakob Rødal Skaar	601	Python 3	2025-03-15 13:58:34
7	Oskar Haarklou Veileborg	621	Python 3	2019-04-30 12:49:09
8	Asger Hautop Drewsen	628	Python 3	2020-01-14 10:45:47
9	Andrew Fong	631	Python 3	2024-10-18 05:09:31
10	Jonathon Arbaugh	639	Python 3	2017-10-21 19:02:52

#	User	Length	Language	Date
1	Odin Hufnagl	2290	Ruby	2024-02-07 11:10:58

#	User	Length	Language	Date
1	Artur Khuziakhmetov	715	Rust	2025-11-14 08:51:40
2	Gustav Wass	1773	Rust	2024-03-19 08:12:02
3	Adam Yaser Sweilem	2105	Rust	2025-03-02 14:14:22
4	James Felder	2758	Rust	2024-04-04 23:19:24
5	Jakub Jagiello	2761	Rust	2020-07-16 09:56:25
6	Klas af Geijerstam	3100	Rust	2020-11-19 14:21:29
7	Martin Mörsell	3265	Rust	2020-11-11 09:57:19
8	Stian Soltvedt	3950	Rust	2019-01-29 20:12:46
9	A Potato	5669	Rust	2025-10-06 14:45:13
10	Yoeri Otten	8481	Rust	2021-09-09 13:06:39

Solution running time distribution