Problem A
Lawn Mower — Problem Statistics

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Submissions	2652
Accepted submissions	1470
Submission ratio	55.43%
Authors	1309
Full solves [?]	1223
Full solve Ratio	93.43%

#	User	Runtime	Language	Date
1	Adam Evans	0.01 s	C	2017-01-03 15:21:21
2	Andrew Roberts	0.01 s	C	2017-09-18 23:05:42
3	Ivan Petrov	0.01 s	C	2019-03-15 13:45:35
4	Yashar Mustafayev	0.01 s	C	2019-10-21 01:42:19
5	Sambit Palit	0.01 s	C	2020-09-20 01:01:47
6	PhilCampbell	0.01 s	C	2021-02-17 16:41:42
7	Max McGinty	0.03 s	C	2025-02-27 21:14:03

#	User	Runtime	Language	Date
1	Robert Low	0.03 s	C#	2016-07-28 09:40:15
2	Thomas Norris	0.03 s	C#	2019-11-07 15:50:10
3	Gurpartap Singh Bhatti	0.04 s	C#	2019-08-02 19:02:57
4	Hidden user	0.04 s	C#	2023-01-28 06:54:32
5	Mikael Fiala-Lundström	0.05 s	C#	2021-05-31 14:10:36
6	Göran Andersson	0.05 s	C#	2022-05-16 20:26:57
7	David Parker	0.05 s	C#	2023-04-28 16:28:12
8	Peter Moorhouse	0.07 s	C#	2023-04-30 02:01:20
9	Sebastian Eriksson	0.07 s	C#	2024-08-31 17:45:51
10	Nathan Andrews	0.07 s	C#	2024-10-18 22:28:25

#	User	Runtime	Language	Date
1	Daniel Schemmel	0.00 s	C++	2016-10-03 19:33:15
2	Grae Yeandle	0.00 s	C++	2016-12-03 15:46:53
3	Hidden user	0.00 s	C++	2017-08-08 06:10:15
4	Alexander Kravberg	0.00 s	C++	2022-04-23 12:58:53
5	Jonathan Hallström	0.00 s	C++	2022-05-06 18:02:58
6	Brad	0.00 s	C++	2022-06-19 03:56:28
7	Youngmin Park	0.00 s	C++	2022-12-29 06:32:13
8	Emil Lenngren	0.01 s	C++	2015-10-06 17:32:49
9	Simon Lindholm	0.01 s	C++	2015-10-06 17:34:59
10	Emil Wärnberg	0.01 s	C++	2015-10-06 17:51:14

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2022-10-04 19:24:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-05-21 22:46:51

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-02-25 15:54:17
2	Matthew Johnson	0.06 s	Haskell	2017-01-04 16:59:31
3	Hidden user	0.06 s	Haskell	2023-01-23 02:38:35
4	Patrik Lilja	0.07 s	Haskell	2016-03-31 22:56:54
5	Brent Yorgey	0.07 s	Haskell	2017-10-22 22:13:37
6	Jason Hooper	0.07 s	Haskell	2019-08-26 22:14:14
7	Jan Hrček	0.07 s	Haskell	2021-03-30 08:52:29
8	Ng Tek In	0.07 s	Haskell	2022-08-22 18:31:38
9	Brandon Tang	0.07 s	Haskell	2023-06-10 13:24:59
10	Hidden user	0.08 s	Haskell	2019-10-06 17:52:44

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.07 s	Java	2022-11-03 17:02:48
2	Ruslan	0.08 s	Java	2023-01-26 06:26:23
3	Martijn Muijsers	0.12 s	Java	2016-10-29 16:47:49
4	Michel Langeveld	0.12 s	Java	2016-12-17 00:12:08
5	Samuel Giarratana	0.12 s	Java	2018-11-08 05:06:41
6	Magnus von Scheele	0.13 s	Java	2015-10-14 19:11:33
7	Magnus Folkesson	0.13 s	Java	2015-10-15 09:22:51
8	Michael Sullivan	0.13 s	Java	2016-02-10 07:11:48
9	Simon Xue	0.13 s	Java	2016-04-04 21:34:05
10	Hidden user	0.13 s	Java	2016-11-16 22:56:20

#	User	Runtime	Language	Date
1	Andoko Chandra	0.45 s	JavaScript (Node.js)	2020-10-24 14:39:25

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2016-04-03 19:17:07
2	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-07-16 22:36:46
3	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2021-10-16 20:53:01
4	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-01-23 03:02:01
5	Peter Kedemo	0.06 s	JavaScript (SpiderMonkey)	2016-02-21 10:50:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2024-06-20 04:33:29

#	User	Runtime	Language	Date
1	Hidden user	0.22 s	Kotlin	2020-04-29 17:58:09
2	Dayan Ruben Gonzalez	0.37 s	Kotlin	2020-10-04 05:38:57
3	Emil Wihlander	0.39 s	Kotlin	2024-07-31 00:42:38
4	Neil Harmon	0.82 s	Kotlin	2019-07-09 13:31:19
5	Adam Rankin	0.89 s	Kotlin	2023-11-18 21:46:31

#	User	Runtime	Language	Date
1	Caleb Austin	0.01 s	Lua	2024-10-18 22:32:19

#	User	Runtime	Language	Date
1	Maksym Bendeberia	0.03 s	Python 2	2016-12-17 22:49:46
2	Miguel Alfageme Sanchez	0.03 s	Python 2	2017-02-10 23:42:44
3	Çağdaş Öztekin	0.03 s	Python 2	2017-09-07 19:21:40
4	Karoliina Oksanen	0.04 s	Python 2	2016-03-18 21:00:01
5	Erik Sillén	0.04 s	Python 2	2016-09-29 22:58:15
6	Jeff Robertson	0.04 s	Python 2	2016-10-21 02:11:07
7	Christofer Ohlsson	0.04 s	Python 2	2017-01-03 17:32:39
8	Haggai Liu	0.04 s	Python 2	2017-01-22 23:57:47
9	Muzakhir Amanzholov	0.04 s	Python 2	2017-04-13 03:40:34
10	Christopher Rech	0.04 s	Python 2	2017-05-02 23:37:59

#	User	Runtime	Language	Date
1	Unnar Freyr Erlendsson	0.02 s	Python 3	2016-05-13 14:44:53
2	Christian Lindeström	0.02 s	Python 3	2016-08-19 22:53:24
3	Hidden user	0.02 s	Python 3	2016-08-20 16:30:53
4	Wayne	0.02 s	Python 3	2016-12-14 19:58:59
5	Stefan Schulz	0.02 s	Python 3	2017-06-23 17:28:44
6	Денис Соболев	0.02 s	Python 3	2017-08-20 15:09:31
7	Evimar Principal de Soto	0.02 s	Python 3	2017-09-18 15:43:28
8	Wenzhang Qian	0.02 s	Python 3	2017-10-25 03:17:18
9	James Hamm	0.02 s	Python 3	2017-11-28 20:47:50
10	Yang Li	0.02 s	Python 3	2018-04-30 00:42:36

#	User	Runtime	Language	Date
1	Magix	0.00 s	Rust	2022-06-17 23:37:33
2	Freek van Keulen	0.00 s	Rust	2022-10-02 08:09:01
3	Sindbad Walter	0.00 s	Rust	2023-11-02 19:28:41
4	David Rasch	0.00 s	Rust	2024-01-11 13:49:43
5	Isak Jägberg	0.00 s	Rust	2024-10-28 10:12:41
6	Louis Bouchard	0.00 s	Rust	2024-11-03 03:54:20
7	Hidden user	0.01 s	Rust	2019-10-04 19:06:44
8	Bas Dirks	0.01 s	Rust	2022-02-18 16:37:26

#	User	Length	Language	Date
1	Ivan Petrov	945	C	2019-03-15 13:45:35
2	Yashar Mustafayev	1168	C	2019-10-21 01:42:19
3	Andrew Roberts	1312	C	2017-09-18 23:05:42
4	Max McGinty	1426	C	2025-02-27 21:14:03
5	PhilCampbell	1491	C	2021-02-17 16:41:42
6	Adam Evans	1649	C	2017-01-03 15:21:21
7	Sambit Palit	2088	C	2020-09-20 01:01:47

#	User	Length	Language	Date
1	Göran Andersson	1013	C#	2022-05-16 20:26:57
2	Nathan Andrews	1111	C#	2024-10-18 22:28:25
3	Robert Low	1534	C#	2016-07-28 09:40:15
4	Thomas Norris	1639	C#	2019-11-07 15:50:10
5	Gurpartap Singh Bhatti	1900	C#	2019-08-02 19:02:57
6	Peter Moorhouse	2082	C#	2023-04-30 15:40:00
7	Hidden user	2123	C#	2023-01-28 06:54:32
8	Sebastian Eriksson	2135	C#	2024-08-31 17:45:51
9	Mikael Fiala-Lundström	2398	C#	2021-05-31 14:10:36
10	David Parker	6999	C#	2023-04-28 16:28:12

#	User	Length	Language	Date
1	Hidden user	446	C++	2020-02-14 16:25:29
2	Antonio Molina Lovett	535	C++	2016-08-11 08:30:11
3	Christian Yongwhan Lim	570	C++	2023-06-16 16:16:53
4	Frederick Pek	617	C++	2021-06-19 08:33:18
5	Artemis Ngoh	619	C++	2022-09-24 15:33:00
6	David Wärn	637	C++	2015-10-08 10:12:17
7	Ale Mini	647	C++	2022-11-01 13:49:56
8	Chase Hinesman	665	C++	2019-04-05 22:22:23
9	Aryan Chaturvedi	665	C++	2023-11-06 18:01:41
10	Paul Herman	668	C++	2015-11-21 11:34:18

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1153	F#	2022-10-04 19:24:28

#	User	Length	Language	Date
1	Norbert Voelker	1392	Go	2021-05-21 22:46:51

#	User	Length	Language	Date
1	Hidden user	588	Haskell	2023-01-23 02:38:35
2	Brent Yorgey	593	Haskell	2017-10-22 22:13:37
3	Brandon Tang	788	Haskell	2023-06-10 13:24:59
4	Ng Tek In	939	Haskell	2022-08-22 18:31:38
5	Patrik Lilja	993	Haskell	2016-03-31 22:56:54
6	Jan Hrček	1050	Haskell	2021-03-30 08:52:29
7	Matthew Johnson	1107	Haskell	2017-01-04 16:59:31
8	Steinar Simonnes	1693	Haskell	2024-02-25 15:56:00
9	Jason Hooper	3820	Haskell	2019-08-26 22:14:14
10	Hidden user	8340	Haskell	2019-10-06 17:52:44

#	User	Length	Language	Date
1	Doug Goodman	750	Java	2018-01-31 17:36:48
2	Hidden user	923	Java	2019-09-30 16:52:17
3	Spencer Keene	937	Java	2023-02-11 01:38:27
4	Pedro Contipelli	1003	Java	2016-10-16 23:00:35
5	Yimu Zhang	1040	Java	2022-11-04 20:29:17
6	Prerana SunilKumar	1051	Java	2019-08-14 21:36:57
7	Amiah Melhado	1053	Java	2020-05-19 20:49:42
8	The_bomber	1053	Java	2021-05-21 00:58:37
9	Zilong Wang	1053	Java	2021-11-04 15:07:16
10	Yining Wang	1053	Java	2022-03-07 17:01:19

#	User	Length	Language	Date
1	Andoko Chandra	1897	JavaScript (Node.js)	2020-10-24 14:39:25

#	User	Length	Language	Date
1	Jimmy Gustafsson	384	JavaScript (SpiderMonkey)	2024-07-16 22:40:26
2	Peter Menyes	607	JavaScript (SpiderMonkey)	2021-10-16 20:53:01
3	Bjørn Chr. Soltvedt	680	JavaScript (SpiderMonkey)	2016-04-03 19:17:07
4	Christian Pilegaard Cederquist	1054	JavaScript (SpiderMonkey)	2023-01-23 03:02:01
5	Peter Kedemo	1076	JavaScript (SpiderMonkey)	2016-02-21 10:50:29

#	User	Length	Language	Date
1	Timothy Gaede	1504	Julia	2024-06-20 04:33:29

#	User	Length	Language	Date
1	Emil Wihlander	712	Kotlin	2024-07-31 00:42:38
2	Dayan Ruben Gonzalez	851	Kotlin	2020-10-04 05:38:57
3	Adam Rankin	1097	Kotlin	2023-11-18 21:46:31
4	Hidden user	1621	Kotlin	2020-04-29 17:58:09
5	Neil Harmon	2079	Kotlin	2019-07-09 13:31:19

#	User	Length	Language	Date
1	Caleb Austin	1105	Lua	2024-10-18 22:32:19

#	User	Length	Language	Date
1	Thomas Feld	381	Python 2	2019-09-16 08:58:13
2	Haggai Liu	433	Python 2	2017-01-22 23:57:47
3	Jesper Öqvist	453	Python 2	2018-10-27 00:29:58
4	Andreas Björklund	542	Python 2	2021-11-24 19:58:57
5	Christopher Rech	567	Python 2	2017-05-02 23:37:59
6	Maksym Bendeberia	586	Python 2	2016-12-17 22:49:46
7	Fredrik Horn Dannert	648	Python 2	2021-01-10 13:03:56
8	Maj Stenmark	679	Python 2	2019-10-13 18:42:43
9	Çağdaş Öztekin	684	Python 2	2017-09-07 19:21:40
10	Muzakhir Amanzholov	699	Python 2	2017-04-13 03:40:34

#	User	Length	Language	Date
1	Michael Goldwasser	195	Python 3	2024-09-13 07:39:20
2	Benjamin Z White	241	Python 3	2023-05-04 17:15:13
3	Ahmed Chamseddine	289	Python 3	2024-07-25 17:25:22
4	Hidden user	298	Python 3	2020-08-07 23:26:10
5	Thibault Raffaillac	299	Python 3	2024-07-27 18:11:55
6	Vedran Čačić	325	Python 3	2019-03-20 02:41:02
7	Sam Chen	326	Python 3	2025-11-06 20:49:01
8	Yong Mao	356	Python 3	2023-09-22 22:07:58
9	Roger Bongers	379	Python 3	2020-05-08 03:33:48
10	Jørn Lode	394	Python 3	2019-11-09 16:27:46

#	User	Length	Language	Date
1	Freek van Keulen	895	Rust	2022-10-02 08:09:01
2	Bas Dirks	1463	Rust	2022-02-18 16:37:26
3	Hidden user	1478	Rust	2019-10-04 19:06:44
4	David Rasch	1661	Rust	2024-01-11 13:49:43
5	Louis Bouchard	1828	Rust	2024-11-03 03:54:20
6	Magix	2263	Rust	2022-06-17 23:37:33
7	Sindbad Walter	2414	Rust	2023-11-02 19:28:41
8	Isak Jägberg	3516	Rust	2024-10-28 10:12:41

Solution running time distribution