Problem A
Robot in a Maze — Problem Statistics

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Submissions	714
Accepted submissions	265
Submission ratio	37.11%
Authors	203
Full solves [?]	163
Full solve Ratio	80.30%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.45 s	C	2019-11-13 14:39:20
2	Hidden user	0.48 s	C	2019-11-19 19:27:53

#	User	Runtime	Language	Date
1	Per Persson	0.27 s	C++	2015-01-16 15:17:04
2	William Gan	0.39 s	C++	2017-12-19 09:51:31
3	Daniel Johnson	0.44 s	C++	2016-10-19 09:29:17
4	黑夜	0.44 s	C++	2020-04-24 16:52:20
5	Jiang Yue	0.45 s	C++	2018-02-02 02:20:53
6	Mårten Wiman	0.46 s	C++	2014-06-08 12:50:50
7	Emil Lenngren	0.49 s	C++	2014-06-08 13:47:28
8	Bay Wei Heng	0.49 s	C++	2018-01-20 10:11:42
9	Lee Yu Choy	0.50 s	C++	2017-12-03 17:49:04
10	Agis Daniels	0.51 s	C++	2022-02-12 18:39:41

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	1.99 s	Haskell	2025-08-17 09:43:46

#	User	Runtime	Language	Date
1	Bjørn Dons	1.26 s	Java	2022-12-31 19:46:12
2	Doug Goodman	1.70 s	Java	2017-07-28 20:38:38
3	Erik Odenman	2.13 s	Java	2014-06-08 12:50:54
4	Micah Stairs	2.79 s	Java	2016-02-15 13:49:07
5	Crystal Sharpe	3.07 s	Java	2020-12-17 01:47:13
6	Emilie Hyslop	3.43 s	Java	2021-11-13 01:06:37
7	Taras Romanyuk	3.63 s	Java	2024-12-01 19:37:05
8	Aaron Michael	4.10 s	Java	2017-11-07 01:07:14

#	User	Runtime	Language	Date
1	Andreas Björklund	4.19 s	Python 2	2020-05-05 19:35:33

#	User	Runtime	Language	Date
1	Duoduo Zhao	2.63 s	Python 3	2025-08-07 22:25:40
2	David Llorens	2.77 s	Python 3	2025-08-13 17:08:00
3	Nicholas Russell Saerang	3.04 s	Python 3	2023-11-22 01:17:52
4	crapcode	3.53 s	Python 3	2022-04-05 13:08:49
5	Casper Rysgaard	3.63 s	Python 3	2024-05-07 10:44:25
6	Vincent Tandya	4.35 s	Python 3	2020-12-13 16:51:43

#	User	Length	Language	Date
1	Hidden user	5388	C	2019-11-20 11:28:45
2	Ivan Petrov	5599	C	2019-11-13 14:39:20

#	User	Length	Language	Date
1	Lawry Sorenson	1209	C++	2025-05-29 00:16:54
2	Leonardo Blanger	1241	C++	2021-03-13 20:47:23
3	Hidden user	1359	C++	2024-01-25 18:29:32
4	Lim An Jun	1402	C++	2022-12-01 08:20:47
5	Oskar Haarklou Veileborg	1442	C++	2020-04-24 16:15:41
6	William Gan	1444	C++	2017-12-19 09:51:31
7	Cameron Custer	1523	C++	2022-02-16 21:43:21
8	Luka Heric	1564	C++	2023-06-16 14:30:55
9	Jianhua Li	1571	C++	2018-11-30 08:08:57
10	Mugeon Kim	1576	C++	2025-03-10 06:49:03

#	User	Length	Language	Date
1	Juan Miguel Vilar	5048	Haskell	2025-08-17 09:43:46

#	User	Length	Language	Date
1	Doug Goodman	2144	Java	2017-07-28 20:38:38
2	Emilie Hyslop	2173	Java	2021-11-13 01:06:37
3	Aaron Michael	3053	Java	2017-11-07 01:07:14
4	Erik Odenman	3245	Java	2014-06-08 12:50:54
5	Taras Romanyuk	3338	Java	2024-12-01 19:37:05
6	Crystal Sharpe	3696	Java	2020-12-17 01:47:13
7	Micah Stairs	4077	Java	2016-02-15 13:49:07
8	Bjørn Dons	7157	Java	2022-12-31 19:46:12

#	User	Length	Language	Date
1	Andreas Björklund	1110	Python 2	2020-05-05 19:35:33

#	User	Length	Language	Date
1	Casper Rysgaard	705	Python 3	2024-05-07 10:44:25
2	David Llorens	913	Python 3	2025-08-13 17:39:35
3	Nicholas Russell Saerang	1041	Python 3	2023-11-22 01:18:16
4	crapcode	1646	Python 3	2022-04-05 13:08:49
5	Duoduo Zhao	3328	Python 3	2025-08-07 22:25:40
6	Vincent Tandya	3477	Python 3	2020-12-13 16:51:43

Solution running time distribution