Problem A
Growling Gears — Problem Statistics

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Submissions	3595
Accepted submissions	1704
Submission ratio	47.40%
Authors	1547
Full solves [?]	1445
Full solve Ratio	93.41%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-06-30 17:44:19

#	User	Runtime	Language	Date
1	Utku Yurter	0.02 s	C#	2016-10-02 22:12:07
2	Gurpartap Singh Bhatti	0.02 s	C#	2020-04-21 04:56:00
3	Nikolai Valkamo	0.02 s	C#	2021-12-22 15:01:06
4	Eric Weiss	0.02 s	C#	2022-09-09 23:02:54
5	Jørgen Drejer Thomassen	0.02 s	C#	2023-01-09 14:39:02
6	Jonathan Ibrahim	0.03 s	C#	2020-12-08 03:12:11
7	Mikael Fiala-Lundström	0.03 s	C#	2021-06-02 01:24:30
8	Göran Andersson	0.03 s	C#	2022-05-19 18:14:25
9	traxex	0.05 s	C#	2024-05-27 17:11:35

#	User	Runtime	Language	Date
1	Timothy Bilik	0.01 s	Common Lisp	2022-10-08 18:53:17
2	David Cawthon	0.02 s	Common Lisp	2019-06-09 17:32:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-10-16 09:59:54

#	User	Runtime	Language	Date
1	Daniel Agatan	0.00 s	Go	2025-02-24 17:23:14
2	Norbert Voelker	0.08 s	Go	2021-05-21 21:39:52

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2015-10-11 20:41:04
2	Eoin Davey	0.00 s	Haskell	2017-08-13 22:24:06
3	Hidden user	0.00 s	Haskell	2023-01-07 13:03:55
4	Charley Sheaffer	0.00 s	Haskell	2023-12-08 22:34:59
5	Steinar Simonnes	0.00 s	Haskell	2024-01-31 09:38:50
6	Jason Hooper	0.01 s	Haskell	2019-09-05 20:27:07
7	Hidden user	0.01 s	Haskell	2019-11-03 15:39:20
8	Jan Hrček	0.01 s	Haskell	2021-03-31 07:26:21
9	Christian Leipe	0.01 s	Haskell	2022-01-14 14:13:56

#	User	Runtime	Language	Date
1	Paul Boddington	0.05 s	Java	2017-01-06 00:19:55
2	Mehdi Ichou	0.05 s	Java	2017-03-31 21:21:53
3	Lee Heng Sheng	0.05 s	Java	2024-05-12 15:53:38
4	Leora Klee	0.05 s	Java	2024-11-28 05:13:30
5	Stela Palii	0.05 s	Java	2025-01-11 05:48:44
6	Cesar Gonzalez	0.05 s	Java	2025-11-23 19:23:54
7	Erik Odenman	0.06 s	Java	2015-02-03 18:44:36
8	Nicolás Eduardo Peña Moreno	0.06 s	Java	2015-10-11 19:15:54
9	Nick Wu	0.06 s	Java	2015-10-11 19:36:23
10	Morten Pedersen	0.06 s	Java	2015-10-15 00:14:31

#	User	Runtime	Language	Date
1	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-14 16:22:05
2	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-17 20:15:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-29 23:34:40
2	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-10-16 21:30:24
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-17 22:11:21
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-13 17:09:50
5	Johannes Jensen	0.03 s	JavaScript (SpiderMonkey)	2020-12-04 16:29:53
6	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2025-02-01 21:42:14

#	User	Runtime	Language	Date
1	Timothy Gaede	0.63 s	Julia	2024-03-28 05:52:38

#	User	Runtime	Language	Date
1	Johnny Baloney	0.14 s	Kotlin	2022-02-24 11:57:28
2	Hidden user	0.15 s	Kotlin	2020-01-06 02:25:57
3	Adam Rankin	0.20 s	Kotlin	2023-08-29 01:13:09
4	Neil Harmon	0.21 s	Kotlin	2019-10-03 12:16:46
5	Troy Warmboe	0.23 s	Kotlin	2023-04-12 04:59:47
6	Emil Wihlander	0.23 s	Kotlin	2024-07-20 00:19:09

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-27 18:19:42
2	Magnus Ragnemalm	0.00 s	Pascal	2018-09-28 20:19:18

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2016-11-23 20:37:42

#	User	Runtime	Language	Date
1	Marcel Wienöbst	0.02 s	Python 2	2016-09-08 17:58:58
2	Christofer Ohlsson	0.03 s	Python 2	2015-08-10 09:07:35
3	Oskar Haarklou Veileborg	0.03 s	Python 2	2015-11-24 00:38:56
4	Marcus Johansson	0.03 s	Python 2	2016-08-06 21:42:59
5	Thomas Smith	0.03 s	Python 2	2016-11-10 03:48:13
6	Simon Rainer	0.03 s	Python 2	2017-01-21 11:31:52
7	Maisam Arif	0.03 s	Python 2	2017-04-09 05:58:29
8	Jessica Fang	0.03 s	Python 2	2017-04-09 21:18:52
9	Rachel Campbell	0.03 s	Python 2	2017-04-11 22:02:20
10	Nathan Villanueva	0.03 s	Python 2	2017-04-14 20:51:13

#	User	Runtime	Language	Date
1	Luca Della Vedova	0.02 s	Python 3	2016-02-04 12:52:31
2	Sigurjón Freyr Viktorsson	0.02 s	Python 3	2016-05-06 22:33:17
3	Rick van Rheenen	0.02 s	Python 3	2016-05-08 21:32:21
4	Aleksei Kashuba	0.02 s	Python 3	2016-06-23 23:53:38
5	Nguyen Hung Thai	0.02 s	Python 3	2016-10-10 12:42:36
6	Shaheed Ebrahim	0.02 s	Python 3	2016-11-09 22:17:16
7	Peter Fajner	0.02 s	Python 3	2016-11-10 02:48:26
8	Thomas Vu	0.02 s	Python 3	2016-11-10 02:55:45
9	Martin Tran	0.02 s	Python 3	2016-11-10 03:19:14
10	Scott Ho	0.02 s	Python 3	2016-11-10 03:48:09

#	User	Runtime	Language	Date
1	Erik Rydbert	0.03 s	Ruby	2016-07-14 10:13:36
2	Hidden user	0.05 s	Ruby	2020-07-29 09:21:11
3	Thomas Feld	0.06 s	Ruby	2023-03-31 10:52:39

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2021-04-26 17:42:13
2	Bas Dirks	0.00 s	Rust	2022-02-18 13:19:03
3	Sindbad Walter	0.00 s	Rust	2023-11-21 23:00:13
4	Isak Jägberg	0.00 s	Rust	2024-10-19 23:15:54
5	Pankajkumar Patro	0.00 s	Rust	2024-11-04 21:37:36
6	Vincent Lagerros	0.00 s	Rust	2025-06-05 15:49:30
7	Joey Yu	0.00 s	Rust	2025-11-23 20:00:17

#	User	Length	Language	Date
1	Sebastian Banert	551	Ada	2024-06-30 17:44:19

#	User	Length	Language	Date
1	Martin Blom	162	C	2024-07-04 21:37:23
2	Josenildo Silva	348	C	2017-05-07 01:48:57
3	Mirel Cosulschi	447	C	2025-01-12 21:40:48
4	Fei Dong	489	C	2019-08-06 16:53:11
5	Raymond Yang	494	C	2021-07-25 02:14:45
6	Sambit Palit	538	C	2020-10-02 20:46:39
7	Peter Bosch	584	C	2016-10-19 11:54:52
8	Dick Jessen William	597	C	2019-09-08 12:22:13
9	Adam Evans	607	C	2015-10-11 20:22:24
10	Truong Quoc Thinh FU CT	615	C	2022-06-12 10:29:59

#	User	Length	Language	Date
1	traxex	412	C#	2024-05-27 17:12:08
2	Göran Andersson	908	C#	2022-05-19 18:14:25
3	Jørgen Drejer Thomassen	1123	C#	2023-01-09 14:39:02
4	Eric Weiss	1211	C#	2022-09-09 23:02:54
5	Utku Yurter	1321	C#	2016-10-02 22:12:07
6	Nikolai Valkamo	1448	C#	2021-12-22 15:01:06
7	Mikael Fiala-Lundström	1534	C#	2021-06-02 01:24:30
8	Gurpartap Singh Bhatti	1901	C#	2020-04-21 04:56:00
9	Jonathan Ibrahim	3962	C#	2020-12-08 03:12:11

#	User	Length	Language	Date
1	Chuck Fernández	323	C++	2016-11-25 23:03:20
2	David van der Vorm	330	C++	2020-01-24 15:23:01
3	Way Tan	331	C++	2018-12-04 15:03:39
4	Antonio Molina Lovett	332	C++	2016-08-14 05:48:48
5	Modan Han	334	C++	2017-05-13 19:25:30
6	Việt Nam Lê	345	C++	2020-12-03 15:51:13
7	Alfredo Beaumont	360	C++	2020-10-20 11:01:01
8	Emmanuel Anaya	370	C++	2016-11-25 23:24:54
9	Grae Yeandle	370	C++	2016-12-29 17:33:27
10	Abhinav Rathi	371	C++	2016-10-16 19:05:09

#	User	Length	Language	Date
1	Timothy Bilik	612	Common Lisp	2022-10-08 18:53:17
2	David Cawthon	907	Common Lisp	2019-06-09 17:32:01

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	722	F#	2022-10-16 09:59:54

#	User	Length	Language	Date
1	Norbert Voelker	692	Go	2021-05-21 21:39:52
2	Daniel Agatan	782	Go	2025-02-24 17:23:14

#	User	Length	Language	Date
1	Eoin Davey	311	Haskell	2017-08-13 22:24:06
2	Charley Sheaffer	366	Haskell	2023-12-08 22:34:59
3	Steinar Simonnes	514	Haskell	2024-01-31 09:39:26
4	Hidden user	764	Haskell	2023-01-07 13:03:55
5	Jan Hrček	855	Haskell	2021-03-31 07:38:15
6	Christian Leipe	970	Haskell	2022-01-14 14:13:56
7	Brent Yorgey	1087	Haskell	2015-10-11 20:41:04
8	Jason Hooper	3545	Haskell	2019-09-05 20:27:07
9	Hidden user	10860	Haskell	2019-11-03 15:39:20

#	User	Length	Language	Date
1	Hidden user	536	Java	2016-09-07 04:48:10
2	Sarah Al Taleb	545	Java	2022-11-22 05:53:37
3	Eric Leow Yu Quan	553	Java	2020-12-17 04:18:37
4	Geoffrey Ramseyer	555	Java	2015-10-11 19:18:28
5	Duncan Page	560	Java	2018-10-22 23:36:29
6	Quan Chau	561	Java	2017-06-29 18:12:03
7	Doug Goodman	594	Java	2017-12-15 22:10:27
8	Yé Wai Yan	595	Java	2017-05-26 08:42:25
9	Vida Jakov	600	Java	2016-11-10 02:51:51
10	Sydnie Cohen	601	Java	2017-02-20 23:09:51

#	User	Length	Language	Date
1	Chris Wong	835	JavaScript (Node.js)	2022-01-17 20:15:31
2	Khin Nyunt	1188	JavaScript (Node.js)	2021-11-14 16:22:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	142	JavaScript (SpiderMonkey)	2024-07-13 17:09:50
2	Bjørn Chr. Soltvedt	354	JavaScript (SpiderMonkey)	2016-07-29 23:34:40
3	Johannes Jensen	368	JavaScript (SpiderMonkey)	2020-12-04 16:29:53
4	Christian Pilegaard Cederquist	527	JavaScript (SpiderMonkey)	2023-01-17 22:11:21
5	Zach Tschetter	678	JavaScript (SpiderMonkey)	2025-02-01 21:42:14
6	Michael Laszlo	838	JavaScript (SpiderMonkey)	2016-10-16 21:30:24

#	User	Length	Language	Date
1	Timothy Gaede	715	Julia	2024-03-28 05:52:38

#	User	Length	Language	Date
1	Adam Rankin	423	Kotlin	2023-08-29 01:13:09
2	Emil Wihlander	459	Kotlin	2024-07-20 00:19:09
3	Troy Warmboe	810	Kotlin	2023-04-12 04:59:47
4	Johnny Baloney	818	Kotlin	2022-02-24 11:57:28
5	Neil Harmon	1169	Kotlin	2019-10-03 12:16:46
6	Hidden user	1281	Kotlin	2020-01-06 02:25:57

#	User	Length	Language	Date
1	Magnus Ragnemalm	355	Pascal	2018-09-28 20:19:18
2	Ingemar Ragnemalm	457	Pascal	2018-09-27 18:19:42

#	User	Length	Language	Date
1	Andriy Zyevakov	521	Prolog	2016-11-23 20:37:42

#	User	Length	Language	Date
1	Andreas Björklund	230	Python 2	2020-08-30 08:50:23
2	Thomas Feld	236	Python 2	2020-03-02 09:08:54
3	Haggai Liu	253	Python 2	2017-04-15 08:16:28
4	Johan Lyts	278	Python 2	2019-07-10 15:02:17
5	Herbert Ilhan Tanujaya	297	Python 2	2019-03-24 11:45:59
6	Jesper Öqvist	316	Python 2	2018-10-29 18:53:22
7	Sigurður Jens Albertsson	318	Python 2	2017-11-29 14:31:18
8	Jessica Fang	325	Python 2	2017-04-09 21:18:52
9	Bertrand Evertz	342	Python 2	2019-11-09 01:16:24
10	Christofer Ohlsson	359	Python 2	2015-08-10 09:07:35

#	User	Length	Language	Date
1	Lawry Sorenson	130	Python 3	2023-09-01 18:41:38
2	Hidden user	131	Python 3	2025-11-30 16:02:03
3	Hao Ye	137	Python 3	2024-08-30 15:32:55
4	Ahmed Chamseddine	143	Python 3	2024-07-08 13:07:24
5	Nathaniel Dubois	152	Python 3	2024-11-07 12:29:48
6	Wouter Dijkstra	153	Python 3	2022-06-21 17:28:53
7	Henri Lemoine	159	Python 3	2022-11-19 08:59:42
8	Farzam Abrishami	173	Python 3	2024-01-25 22:21:58
9	Victor Zheng	187	Python 3	2017-05-13 19:33:48
10	Thibault Raffaillac	190	Python 3	2024-07-26 12:19:15

#	User	Length	Language	Date
1	Thomas Feld	83	Ruby	2023-03-31 10:56:12
2	Hidden user	217	Ruby	2020-07-29 09:21:11
3	Erik Rydbert	271	Ruby	2016-07-14 10:13:36

#	User	Length	Language	Date
1	David Rasch	744	Rust	2021-04-26 17:42:13
2	Bas Dirks	832	Rust	2022-02-18 13:19:03
3	Pankajkumar Patro	1019	Rust	2024-11-04 21:37:36
4	Isak Jägberg	1120	Rust	2024-10-19 23:15:54
5	Sindbad Walter	1191	Rust	2023-11-21 23:00:13
6	Joey Yu	1748	Rust	2025-11-23 20:00:17
7	Vincent Lagerros	58550	Rust	2025-06-05 15:49:30

Solution running time distribution