Problem A
Robotopia — Problem Statistics

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Submissions	6808
Accepted submissions	1096
Submission ratio	16.10%
Authors	1420
Full solves [?]	864
Full solve Ratio	60.85%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-16 17:38:44

#	User	Runtime	Language	Date
1	Adam Evans	0.00 s	C	2016-10-04 15:31:23
2	Ivan Petrov	0.00 s	C	2019-07-31 10:46:45
3	Changchang Ding	0.00 s	C	2022-02-12 02:09:27
4	Eyleifur Bjarkason	0.00 s	C	2023-08-04 16:13:57
5	Mirel Cosulschi	0.00 s	C	2024-08-01 18:58:59
6	Aisha Rigert	0.01 s	C	2016-09-24 22:07:46
7	Patrick Blanchard	0.01 s	C	2016-09-24 22:28:15
8	Martin Jackson	0.01 s	C	2017-05-23 18:37:59
9	Luca Della Vedova	0.01 s	C	2018-03-18 09:48:51
10	Bergur Snorrason	0.01 s	C	2019-05-07 12:54:27

#	User	Runtime	Language	Date
1	Ilia Volkov	0.03 s	C#	2016-11-04 19:30:50
2	Brian Scott	0.03 s	C#	2017-09-28 23:33:34

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Common Lisp	2019-06-19 09:51:51

#	User	Runtime	Language	Date
1	Adam Engsig	0.05 s	Go	2023-05-11 10:59:19
2	Aleksandar Mitic	0.11 s	Go	2016-12-25 20:08:54
3	Corey Alan Waldon	0.11 s	Go	2017-04-28 08:48:55
4	Jesper Bech Christensen	0.12 s	Go	2022-03-15 10:05:11

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2020-06-14 05:54:39

#	User	Runtime	Language	Date
1	Oskar Eriksson	0.07 s	Java	2017-05-07 09:00:27
2	Mickey J Chao	0.08 s	Java	2016-09-24 18:28:53
3	Robin Hui	0.08 s	Java	2016-09-24 18:45:46
4	Mason Liu	0.08 s	Java	2016-09-24 21:21:37
5	Måns Magnusson	0.08 s	Java	2016-09-24 21:22:02
6	Eskil Jarlskog	0.08 s	Java	2016-10-01 12:47:26
7	Rahul Gutal	0.08 s	Java	2016-10-08 02:29:12
8	Lee Chee Meng	0.08 s	Java	2016-10-08 16:45:33
9	Marco Troltsch	0.08 s	Java	2016-10-20 00:30:46
10	Toe Pyae Sone Oo	0.08 s	Java	2016-11-20 06:40:17

#	User	Runtime	Language	Date
1	Zachary DeStefano	0.05 s	JavaScript (SpiderMonkey)	2019-10-15 17:59:26
2	Christian Pilegaard Cederquist	0.13 s	JavaScript (SpiderMonkey)	2023-10-15 15:52:29

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2022-01-15 07:56:06
2	Marcin Wiśniowski	0.24 s	Kotlin	2018-09-28 16:51:00
3	Adam Rankin	0.24 s	Kotlin	2023-09-27 18:27:55
4	Mohsen Dehbashi	0.32 s	Kotlin	2019-07-14 20:19:53

#	User	Runtime	Language	Date
1	Valentin Gerbey	0.36 s	PHP	2017-08-24 18:23:13

#	User	Runtime	Language	Date
1	Neal Zane	0.03 s	Python 2	2016-11-25 01:41:56
2	Zhou Yichen	0.03 s	Python 2	2017-01-18 11:58:05
3	Domenico Salvagnin	0.03 s	Python 2	2018-12-28 22:34:47
4	Michael Laszlo	0.04 s	Python 2	2016-09-24 20:32:25
5	Bernhard Kartefla	0.04 s	Python 2	2016-09-25 15:24:20
6	Ómar Högni Guðmarsson	0.04 s	Python 2	2016-09-25 16:41:33
7	Ariana Herbst	0.04 s	Python 2	2016-09-29 06:34:21
8	Francesco Silvestri	0.04 s	Python 2	2018-12-28 10:54:03
9	Andreas Björklund	0.04 s	Python 2	2019-06-10 06:43:06
10	Bjarki Ágúst Guðmundsson	0.05 s	Python 2	2016-09-24 06:50:09

#	User	Runtime	Language	Date
1	Domenico Salvagnin	0.02 s	Python 3	2018-12-28 22:24:27
2	Jacob Gummesson Atroshi	0.02 s	Python 3	2019-05-14 21:39:29
3	randomuser3	0.04 s	Python 3	2025-12-06 03:26:14
4	vance	0.05 s	Python 3	2022-11-18 08:09:48
5	Tomas Natividad	0.05 s	Python 3	2024-11-25 17:20:43
6	Hidden user	0.05 s	Python 3	2024-12-25 18:43:17
7	Santiago Sañudo Cooper	0.05 s	Python 3	2025-04-10 18:25:00
8	Ximena Sánchez	0.05 s	Python 3	2025-05-26 02:09:39
9	Santiago Sabat Luna	0.05 s	Python 3	2025-05-29 18:26:39
10	Flavia Ailen Mañuico Quequejana	0.05 s	Python 3	2025-07-02 08:45:31

#	User	Runtime	Language	Date
1	Thomas Feld	0.20 s	Ruby	2023-05-12 10:46:44

#	User	Runtime	Language	Date
1	Artur Khuziakhmetov	0.00 s	Rust	2025-02-02 12:46:44
2	Vincent Lagerros	0.00 s	Rust	2025-06-03 00:05:42
3	Pahlevi Fikri Auliya	0.01 s	Rust	2021-03-12 03:40:49
4	Gustaf Bergmark	0.13 s	Rust	2023-02-08 20:11:03
5	Markus Videfors	0.21 s	Rust	2023-02-14 15:11:06

#	User	Length	Language	Date
1	Chenzhang Hu	1610	Bash	2024-04-16 17:38:44

#	User	Length	Language	Date
1	Mirel Cosulschi	604	C	2024-08-01 18:58:59
2	Patrick Blanchard	765	C	2016-09-24 22:28:15
3	Martin Jackson	814	C	2017-05-23 18:37:59
4	Aisha Rigert	824	C	2016-09-24 22:07:46
5	Ivan Petrov	870	C	2019-07-31 10:46:45
6	Adam Evans	921	C	2016-10-04 15:31:23
7	Nick Hargrove	1071	C	2021-12-02 22:08:26
8	Luca Della Vedova	1528	C	2018-03-18 09:48:51
9	Eyleifur Bjarkason	1907	C	2023-08-04 16:13:57
10	Changchang Ding	2040	C	2022-02-12 02:25:36

#	User	Length	Language	Date
1	Brian Scott	801	C#	2017-09-28 23:33:34
2	Ilia Volkov	2218	C#	2016-11-04 19:30:50

#	User	Length	Language	Date
1	Ragur Krishnan	403	C++	2018-06-16 04:34:25
2	Zane Yu	418	C++	2019-01-03 10:16:20
3	Yuanhao Wei	432	C++	2016-09-24 19:15:35
4	Yupeng Gu	434	C++	2019-03-07 06:57:17
5	Alex Zhao	493	C++	2018-04-21 20:55:14
6	Audra Aurora Izzani	503	C++	2023-10-28 20:15:33
7	Quanmeng Wang	505	C++	2016-10-04 08:40:05
8	Yilun Wu	507	C++	2016-09-24 21:13:30
9	Way Tan	507	C++	2019-03-19 15:41:02
10	Erik Amirell Eklöf	510	C++	2018-10-28 20:41:57

#	User	Length	Language	Date
1	Hidden user	1098	Common Lisp	2019-06-19 09:51:51

#	User	Length	Language	Date
1	Jesper Bech Christensen	559	Go	2022-03-15 10:05:11
2	Aleksandar Mitic	1574	Go	2016-12-25 20:08:54
3	Corey Alan Waldon	1653	Go	2017-04-28 08:48:55
4	Adam Engsig	4487	Go	2022-03-01 13:01:50

#	User	Length	Language	Date
1	Brent Yorgey	7574	Haskell	2020-06-14 05:54:39

#	User	Length	Language	Date
1	Amon Al-khatib	709	Java	2016-10-11 19:24:12
2	Alex Coleman	735	Java	2016-10-10 23:41:22
3	Tony Qiao	801	Java	2016-09-24 21:36:40
4	Steve Tate	804	Java	2016-09-25 01:26:24
5	Yacoub Seyni	811	Java	2016-09-25 18:52:53
6	Patrick Grady	825	Java	2016-09-24 21:26:59
7	Jiru Xu	826	Java	2016-09-24 18:47:12
8	Tyler VanHaren	859	Java	2016-10-11 18:25:12
9	Quan Chau	860	Java	2017-09-22 04:46:40
10	Jacob White	879	Java	2016-09-30 21:49:04

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	554	JavaScript (SpiderMonkey)	2023-10-15 15:52:29
2	Zachary DeStefano	596	JavaScript (SpiderMonkey)	2019-10-15 17:59:26

#	User	Length	Language	Date
1	Adam Rankin	1129	Kotlin	2023-09-27 18:27:55
2	Mohsen Dehbashi	1357	Kotlin	2019-07-14 20:19:53
3	Marcin Wiśniowski	1899	Kotlin	2018-09-28 16:51:00
4	Jacob Huebner	2835	Kotlin	2022-01-16 07:05:37

#	User	Length	Language	Date
1	Valentin Gerbey	1135	PHP	2017-08-24 18:23:13

#	User	Length	Language	Date
1	Thomas Feld	297	Python 2	2020-06-25 10:18:28
2	Lewin Gan	361	Python 2	2016-09-24 18:08:05
3	Eric Ge	418	Python 2	2019-10-03 00:52:00
4	Lars Åström	432	Python 2	2018-04-23 21:55:10
5	Adam Stuart Richardson	450	Python 2	2016-09-24 21:48:36
6	Ethan Arnold	460	Python 2	2017-10-04 03:31:39
7	Fan Zhang	466	Python 2	2017-10-05 04:28:21
8	Hidden user	483	Python 2	2016-09-24 22:56:21
9	Jeff Robertson	545	Python 2	2016-09-24 20:42:26
10	Maj Stenmark	558	Python 2	2018-04-23 20:19:06

#	User	Length	Language	Date
1	Gustav Elmqvist	173	Python 3	2023-02-17 01:32:00
2	Mohsen Hosseinpoorazar	310	Python 3	2022-09-15 10:54:21
3	Christian Lindeström	345	Python 3	2016-09-27 04:34:03
4	Benjamin Z White	345	Python 3	2023-08-13 23:53:58
5	Yohannes Melese	353	Python 3	2021-07-12 09:26:55
6	Josh Taylor	370	Python 3	2024-05-22 20:21:08
7	Ainun Najib	378	Python 3	2020-10-06 16:34:59
8	Gustavo Fadel	396	Python 3	2021-05-01 03:44:40
9	Thore Husfeldt	400	Python 3	2019-05-14 20:40:08
10	Sander Oppen	402	Python 3	2024-11-18 19:44:36

#	User	Length	Language	Date
1	Thomas Feld	128	Ruby	2023-05-12 10:54:28

#	User	Length	Language	Date
1	Artur Khuziakhmetov	774	Rust	2025-02-02 12:46:44
2	Pahlevi Fikri Auliya	3037	Rust	2021-03-12 03:40:49
3	Gustaf Bergmark	5543	Rust	2023-02-08 20:11:03
4	Markus Videfors	7999	Rust	2023-02-14 15:11:06
5	Vincent Lagerros	59084	Rust	2025-06-03 00:05:42

Solution running time distribution