Problem A
Boat Parts — Problem Statistics

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Submissions	9345
Accepted submissions	4909
Submission ratio	52.53%
Authors	4745
Full solves [?]	4364
Full solve Ratio	91.97%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-02 11:23:30

#	User	Runtime	Language	Date
1	Johan Pettersson	0.02 s	C#	2018-04-15 18:06:44
2	Дмитро Рудий	0.02 s	C#	2018-04-20 21:14:56
3	Faisal Rahman	0.02 s	C#	2018-04-30 06:44:38
4	Alex Telon	0.02 s	C#	2018-05-10 19:05:56
5	Duelene Olson	0.02 s	C#	2018-05-28 10:55:55
6	Kunwei Zhang	0.02 s	C#	2018-06-07 15:54:20
7	Davi Ajmaya	0.02 s	C#	2018-06-10 10:54:41
8	Kasper Kristoffersen	0.02 s	C#	2018-06-16 13:34:17
9	Jens Mossig	0.02 s	C#	2018-07-09 18:57:35
10	Chase Oberg	0.02 s	C#	2018-08-20 15:05:25

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Common Lisp	2019-05-26 00:44:26
2	David Cawthon	0.02 s	Common Lisp	2019-08-18 19:24:02

#	User	Runtime	Language	Date
1	Patrick Bahr	0.04 s	F#	2021-02-20 16:26:27
2	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-04 23:16:39

#	User	Runtime	Language	Date
1	Husain Satan	0.00 s	Go	2023-11-07 15:34:02
2	Muhammad Yus Aditya Trisnawan	0.00 s	Go	2024-01-24 20:31:48
3	Yousif Ibrahim	0.02 s	Go	2024-02-05 13:16:23
4	Sergejs Podolaks	0.05 s	Go	2023-03-29 09:29:52
5	Krzysztof Gibuła	0.07 s	Go	2020-11-19 16:50:26
6	My Name	0.08 s	Go	2018-10-30 17:16:33
7	Sindri Ingolfsson	0.08 s	Go	2019-08-25 13:14:35
8	Dylan Mcdougall	0.08 s	Go	2019-12-09 20:39:41
9	Zachary Shilton	0.08 s	Go	2020-12-28 22:57:16
10	Norbert Voelker	0.08 s	Go	2021-04-09 22:52:41

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2018-04-14 17:12:03
2	Jonathan Goodman	0.00 s	Haskell	2018-05-13 04:51:48
3	Hidden user	0.00 s	Haskell	2022-12-11 15:21:14
4	Fumiaki Takagi	0.00 s	Haskell	2023-01-27 03:37:45
5	Blake Herrera	0.00 s	Haskell	2023-01-28 06:27:38
6	Daniel German	0.01 s	Haskell	2018-06-18 23:30:45
7	Daniel Krueger	0.01 s	Haskell	2018-08-17 02:05:33
8	Enzo Crance	0.01 s	Haskell	2018-08-18 13:12:34
9	Tomas Möre	0.01 s	Haskell	2018-08-29 18:24:56
10	Fran Cruz Zamorano	0.01 s	Haskell	2018-08-31 20:00:02

#	User	Runtime	Language	Date
1	Muhammad Khaizuran Bin Mohamad Rosle	0.04 s	Java	2024-10-05 23:31:34
2	seah joel	0.04 s	Java	2024-10-06 08:51:08
3	Ngu Jia Hao	0.04 s	Java	2024-10-12 05:23:21
4	XAVIER HUA SHIAO HONG	0.04 s	Java	2024-11-10 17:23:22
5	Mohammad Naufal Hazim Bin Saharudin	0.04 s	Java	2024-12-12 07:15:18
6	Goh Zhixuan Jeremiah	0.04 s	Java	2025-03-03 08:58:59
7	Joshua Chin	0.04 s	Java	2025-03-03 12:44:00
8	Tan Kin Ru	0.04 s	Java	2025-03-17 12:31:01
9	Chin Jhin Tze	0.04 s	Java	2025-03-18 09:48:59
10	Nguwi Qi Yue	0.04 s	Java	2025-09-29 07:45:28

#	User	Runtime	Language	Date
1	Camilo Aparecido Ferri Moreira	0.05 s	JavaScript (Node.js)	2018-08-24 13:48:54
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-29 02:27:19
3	Henry Nguyen	0.05 s	JavaScript (Node.js)	2024-01-23 18:43:53
4	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-05 04:06:27
5	Daniel Fitzpatrick	0.05 s	JavaScript (Node.js)	2024-08-24 13:02:20
6	Aleksander Andersen Skjelbred	0.09 s	JavaScript (Node.js)	2023-02-03 14:13:24
7	Alan Balderrama	0.09 s	JavaScript (Node.js)	2023-03-20 04:12:16
8	Yasir A. Irzooqi	0.09 s	JavaScript (Node.js)	2023-09-14 12:15:59
9	Oliver Bredenberg	0.40 s	JavaScript (Node.js)	2019-08-26 14:15:02
10	Karim Dridi	0.41 s	JavaScript (Node.js)	2022-01-14 14:47:23

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-04-14 14:27:45
2	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-08 21:49:42
3	Casey Smith	0.03 s	JavaScript (SpiderMonkey)	2019-01-24 01:56:52
4	Andrew Kasparevich	0.03 s	JavaScript (SpiderMonkey)	2019-02-04 12:00:15
5	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-02-06 22:01:16
6	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-11-15 23:35:12
7	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2025-05-17 22:01:36

#	User	Runtime	Language	Date
1	Timothy Gaede	0.48 s	Julia	2024-04-22 05:45:17
2	Danny Robinson	0.56 s	Julia	2023-09-02 11:01:35

#	User	Runtime	Language	Date
1	Albert Pala	0.12 s	Kotlin	2021-05-28 12:51:10
2	Hidden user	0.13 s	Kotlin	2018-04-14 11:36:53
3	Hidden user	0.15 s	Kotlin	2019-12-28 03:32:08
4	Ola Sundell	0.17 s	Kotlin	2018-05-04 15:31:34
5	Aksel Holbek Sørbye	0.18 s	Kotlin	2024-03-15 21:46:33
6	Adam Rankin	0.21 s	Kotlin	2023-04-22 19:10:39
7	Neil Harmon	0.22 s	Kotlin	2019-04-19 10:53:35
8	Caden G	0.22 s	Kotlin	2019-10-23 23:24:45
9	Jahid Hasan Imon	0.22 s	Kotlin	2020-05-22 21:59:28
10	Sam Keyser	0.22 s	Kotlin	2023-10-03 19:14:11

#	User	Runtime	Language	Date
1	Shiroy Sattur	0.00 s	Nim	2025-10-12 15:24:20

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2021-12-03 15:24:38
2	Ingemar Ragnemalm	0.01 s	Pascal	2018-06-28 19:24:43

#	User	Runtime	Language	Date
1	Petr Trofimov	0.01 s	PHP	2021-04-18 14:14:23
2	Renate	0.01 s	PHP	2021-04-19 16:27:38
3	Victor Nguyen	0.01 s	PHP	2021-10-01 20:26:59
4	Jack Le	0.01 s	PHP	2021-10-01 20:28:20
5	Aidan Briggs	0.01 s	PHP	2021-10-01 20:33:42
6	Muhammad Asyraf bin Akop	0.01 s	PHP	2022-06-02 11:12:02
7	Andre Wahyudi	0.01 s	PHP	2022-10-19 09:31:03
8	Philippe Hubert	0.01 s	PHP	2024-01-04 14:38:15

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.14 s	Prolog	2018-08-27 19:54:19

#	User	Runtime	Language	Date
1	Casper Freksen	0.02 s	Python 2	2018-04-14 11:25:24
2	Andrei Stoica	0.02 s	Python 2	2018-04-30 13:31:28
3	Hasan Kalzi	0.02 s	Python 2	2022-06-23 12:32:16
4	Asger Hautop Drewsen	0.03 s	Python 2	2018-04-14 11:02:27
5	Mathias Rav	0.03 s	Python 2	2018-04-14 11:04:14
6	Øyvind Haarberg	0.03 s	Python 2	2018-04-14 11:06:30
7	Agnar Martin Bjørnstad	0.03 s	Python 2	2018-04-14 11:10:57
8	Jørgen Valstad	0.03 s	Python 2	2018-04-14 11:11:42
9	Ulrich Johan Isachsen	0.03 s	Python 2	2018-04-14 11:13:34
10	Tormod Ryeng	0.03 s	Python 2	2018-04-14 11:14:13

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 3	2018-04-14 14:10:01
2	Kasra Ghodsi	0.02 s	Python 3	2018-04-14 16:01:38
3	Oskar Haarklou Veileborg	0.02 s	Python 3	2018-04-14 17:02:54
4	Yang Li	0.02 s	Python 3	2018-04-14 22:58:55
5	Ian Howell	0.02 s	Python 3	2018-04-14 23:31:42
6	James Hamm	0.02 s	Python 3	2018-04-15 22:57:02
7	Noah Ó Donnaile	0.02 s	Python 3	2018-04-16 10:26:19
8	Jean Niklas L'orange	0.02 s	Python 3	2018-04-16 11:01:59
9	Hidden user	0.02 s	Python 3	2018-04-17 17:06:48
10	Gamithra Marga	0.02 s	Python 3	2018-04-17 22:10:16

#	User	Runtime	Language	Date
1	Miorel Palii	0.04 s	Ruby	2018-04-14 20:43:51
2	Paul Vinell	0.04 s	Ruby	2018-05-09 13:39:41
3	Dylan Mcdougall	0.04 s	Ruby	2019-10-18 22:44:41
4	Braydon Willms	0.04 s	Ruby	2019-10-24 03:09:18
5	Lim Ming Yean	0.05 s	Ruby	2018-11-24 01:41:50
6	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-10-24 22:02:43
7	Régis Hanol	0.05 s	Ruby	2022-01-07 10:32:21
8	TobiasZ	0.05 s	Ruby	2022-01-21 17:47:20
9	Jonathan Ogden	0.06 s	Ruby	2021-05-27 16:40:18
10	Stefan Kanev	0.06 s	Ruby	2023-12-08 12:54:06

#	User	Runtime	Language	Date
1	arthur	0.00 s	Zig	2024-07-17 01:29:41

#	User	Length	Language	Date
1	Danny Robinson	92	Bash	2023-09-02 11:23:30

#	User	Length	Language	Date
1	Sanjiv Dinakar	367	C	2023-04-01 19:00:59
2	Ximun Castoreo	426	C	2020-09-21 11:37:15
3	Velvet	437	C	2020-11-20 17:52:57
4	Muhammed Ali Aytürk	494	C	2020-06-14 18:53:43
5	Emil Wihlander	523	C	2020-11-28 19:17:37
6	Charlot DEDJINOU	534	C	2022-03-30 00:44:37
7	Hao Wang	548	C	2019-09-23 06:19:00
8	Mustapha Slimani	596	C	2021-03-16 13:04:20
9	Dominikus Sebastian Ramli	598	C	2023-12-09 14:32:14
10	Miranda Henry	636	C	2019-09-09 22:50:48

#	User	Length	Language	Date
1	Kunwei Zhang	453	C#	2018-06-07 15:54:20
2	Anju Therase Mathew	536	C#	2021-06-10 06:47:59
3	Manikanta Raj Chodisetti	541	C#	2021-06-10 02:06:34
4	amy	542	C#	2021-06-10 21:34:01
5	Sangeetha Sreekumar	542	C#	2021-06-11 02:16:25
6	Ipsa Bhatt	546	C#	2021-06-10 00:34:11
7	Alireza Nasrollahzadeh	575	C#	2018-06-14 21:08:40
8	Siddharth Sasidharan	599	C#	2021-06-10 04:12:08
9	Steve Jia	602	C#	2018-08-29 21:21:30
10	Peter Konnerup Moss	624	C#	2019-10-14 22:46:57

#	User	Length	Language	Date
1	Isaac Lai Yin Chung	223	C++	2023-12-15 03:36:41
2	Đậu Huy Minh	259	C++	2022-10-09 17:56:09
3	Mohammad Sadeghi	265	C++	2019-07-19 10:08:59
4	Elias Lolck	265	C++	2023-05-02 16:32:03
5	Bennett Lim	274	C++	2020-01-25 17:44:31
6	Paul Wild	280	C++	2023-03-01 22:56:46
7	Tobias Lehnert	281	C++	2018-11-02 20:44:22
8	Hidden user	281	C++	2020-02-23 20:19:06
9	Alex Rudzenis	281	C++	2021-11-01 19:09:33
10	Jan Elffers	282	C++	2018-08-29 18:14:52

#	User	Length	Language	Date
1	Hidden user	354	Common Lisp	2019-05-26 00:44:26
2	David Cawthon	774	Common Lisp	2019-08-18 19:24:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	442	F#	2022-06-04 23:16:39
2	Patrick Bahr	2067	F#	2021-02-20 16:26:27

#	User	Length	Language	Date
1	Hidden user	307	Go	2021-12-16 11:08:09
2	Sergejs Podolaks	343	Go	2023-03-29 09:29:52
3	Sindri Ingolfsson	364	Go	2019-08-25 13:14:35
4	Dylan Mcdougall	381	Go	2019-12-09 20:36:25
5	Husain Satan	414	Go	2023-11-07 15:34:02
6	Kok Dith	469	Go	2021-07-30 02:12:20
7	Krzysztof Gibuła	475	Go	2020-11-19 16:50:26
8	Muhammad Yus Aditya Trisnawan	582	Go	2024-01-24 20:31:48
9	Vilhelm Melkstam	590	Go	2022-02-05 21:58:49
10	Lucca Dias	609	Go	2021-11-15 11:44:40

#	User	Length	Language	Date
1	Rudy Matela	185	Haskell	2025-02-17 12:37:43
2	Hidden user	404	Haskell	2019-08-22 21:55:16
3	David Zacek	466	Haskell	2021-05-03 01:31:29
4	Alex Scantamburlo	472	Haskell	2023-10-07 10:32:18
5	Tim Put	478	Haskell	2021-11-10 03:39:01
6	Fran Cruz Zamorano	493	Haskell	2018-08-31 20:00:02
7	Caleb Surovik	517	Haskell	2021-06-16 06:27:59
8	Tomas Möre	540	Haskell	2018-08-29 18:24:56
9	Enzo Crance	541	Haskell	2018-08-18 13:12:34
10	Jan Hrček	560	Haskell	2020-10-21 08:42:59

#	User	Length	Language	Date
1	Åke Wettergren	425	Java	2019-09-22 13:19:49
2	Do Nguyen Quoc Trung	428	Java	2018-11-05 23:39:29
3	Phat Tran Hong Dai	432	Java	2018-11-01 20:00:00
4	ZUO XINYUE	435	Java	2020-03-13 04:31:34
5	Jason Liu	460	Java	2023-09-05 04:28:29
6	Olivia Bizimungu	466	Java	2019-11-06 14:21:28
7	Benjamin Chislett	467	Java	2022-02-25 19:07:00
8	Anand Iyer	468	Java	2018-08-25 22:04:21
9	Michael O'Brien	472	Java	2021-08-29 02:20:20
10	Raymond Arrington	472	Java	2024-06-17 18:58:04

#	User	Length	Language	Date
1	Karim Dridi	378	JavaScript (Node.js)	2022-01-14 14:47:23
2	Oliver Bredenberg	403	JavaScript (Node.js)	2019-08-26 14:47:32
3	Ali	530	JavaScript (Node.js)	2021-12-20 07:41:20
4	Howard Tin Chi Chan	601	JavaScript (Node.js)	2021-02-12 23:58:00
5	Alan Balderrama	609	JavaScript (Node.js)	2023-03-20 04:12:16
6	Hidden user	624	JavaScript (Node.js)	2023-01-31 06:00:18
7	Peter Kedemo	664	JavaScript (Node.js)	2019-12-22 16:25:01
8	Aleksander Andersen Skjelbred	683	JavaScript (Node.js)	2023-02-03 14:13:24
9	Hovhannes Kantuni	702	JavaScript (Node.js)	2020-09-03 21:31:22
10	Henry Nguyen	841	JavaScript (Node.js)	2024-01-23 18:43:53

#	User	Length	Language	Date
1	Jimmy Gustafsson	142	JavaScript (SpiderMonkey)	2025-05-17 22:01:36
2	Bjørn Chr. Soltvedt	269	JavaScript (SpiderMonkey)	2018-04-14 14:27:45
3	Christian Pilegaard Cederquist	273	JavaScript (SpiderMonkey)	2022-11-15 23:35:12
4	Zach Tschetter	304	JavaScript (SpiderMonkey)	2023-06-08 21:49:42
5	Peter Menyes	342	JavaScript (SpiderMonkey)	2021-02-06 22:01:16
6	Casey Smith	359	JavaScript (SpiderMonkey)	2019-01-24 01:56:52
7	Andrew Kasparevich	639	JavaScript (SpiderMonkey)	2019-02-04 12:00:15

#	User	Length	Language	Date
1	Danny Robinson	140	Julia	2023-09-02 11:01:35
2	Timothy Gaede	524	Julia	2024-04-22 05:45:17

#	User	Length	Language	Date
1	Jahid Hasan Imon	318	Kotlin	2020-05-22 21:59:28
2	Troy Warmboe	320	Kotlin	2020-02-08 16:39:03
3	Clinton Walker	430	Kotlin	2020-02-28 10:08:03
4	Dayan Ruben Gonzalez	455	Kotlin	2020-10-16 22:10:17
5	Adam Rankin	461	Kotlin	2023-04-22 19:10:39
6	Caden G	510	Kotlin	2019-10-23 23:24:45
7	Ola Sundell	560	Kotlin	2018-05-04 15:31:34
8	Sam Keyser	562	Kotlin	2023-10-03 19:14:11
9	Neil Harmon	778	Kotlin	2019-04-19 10:53:35
10	Hidden user	786	Kotlin	2019-12-28 03:32:08

#	User	Length	Language	Date
1	Shiroy Sattur	314	Nim	2025-10-12 15:24:20

#	User	Length	Language	Date
1	David Connolly	459	Pascal	2021-12-03 15:24:38
2	Ingemar Ragnemalm	624	Pascal	2018-06-28 19:24:43

#	User	Length	Language	Date
1	Philippe Hubert	322	PHP	2024-01-04 14:38:15
2	Petr Trofimov	328	PHP	2021-04-18 14:14:23
3	Jack Le	335	PHP	2021-10-01 20:28:20
4	Victor Nguyen	394	PHP	2021-10-01 20:26:59
5	Muhammad Asyraf bin Akop	432	PHP	2022-06-02 11:12:02
6	Renate	459	PHP	2021-04-19 16:27:38
7	Aidan Briggs	612	PHP	2021-10-01 20:33:42
8	Andre Wahyudi	637	PHP	2022-10-19 09:31:03

#	User	Length	Language	Date
1	Andriy Zyevakov	401	Prolog	2018-08-27 19:54:19

#	User	Length	Language	Date
1	Thomas Feld	148	Python 2	2019-09-02 13:38:26
2	Jonatan Nilsson	163	Python 2	2019-09-22 22:24:47
3	Lars Åström	172	Python 2	2019-09-22 13:18:28
4	Jesper Öqvist	183	Python 2	2018-10-20 12:47:10
5	Maj Stenmark	186	Python 2	2019-09-22 13:23:21
6	Conor McCauley	189	Python 2	2019-11-25 01:03:54
7	Johan Lyts	191	Python 2	2019-07-13 14:26:50
8	Fan Zhang	192	Python 2	2018-04-16 08:22:39
9	Nick Wu	199	Python 2	2018-08-04 03:07:41
10	Andreas Björklund	199	Python 2	2019-05-06 19:43:50

#	User	Length	Language	Date
1	Benjamin Z White	110	Python 3	2023-04-19 22:44:44
2	Charles Ancheta	124	Python 3	2023-03-24 09:25:25
3	Ahmed Chamseddine	131	Python 3	2024-04-28 00:12:48
4	Morten Clausen	134	Python 3	2022-11-05 16:44:02
5	K Lin	135	Python 3	2022-12-15 04:55:07
6	Kelly Dance	147	Python 3	2024-07-21 10:51:37
7	Oskar Haarklou Veileborg	150	Python 3	2018-04-14 17:02:54
8	Jan Laan	153	Python 3	2021-03-31 14:13:28
9	Timothy White	155	Python 3	2021-10-22 17:25:09
10	Thomas Vu	156	Python 3	2019-10-24 02:42:20

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2022-11-14 08:26:10
2	Miorel Palii	185	Ruby	2018-04-14 20:43:51
3	Stefan Kanev	188	Ruby	2023-12-08 12:54:06
4	Régis Hanol	196	Ruby	2022-01-07 10:32:21
5	Paul Vinell	202	Ruby	2018-05-09 13:39:41
6	Lim Ming Yean	210	Ruby	2018-11-24 01:41:50
7	Macdara mac an tSionnaigh	227	Ruby	2019-10-24 22:02:43
8	Dylan Mcdougall	251	Ruby	2019-10-18 22:44:41
9	Braydon Willms	264	Ruby	2019-10-24 03:09:18
10	TobiasZ	332	Ruby	2022-01-21 17:47:20

#	User	Length	Language	Date
1	Vincent Lagerros	297	Rust	2024-12-04 00:25:03
2	Emil Dichmann	397	Rust	2025-10-01 18:00:07
3	Liam Garriga	528	Rust	2024-08-15 10:22:53
4	Bas Dirks	565	Rust	2021-12-30 07:22:00
5	Andriy Semenistiy	591	Rust	2021-05-01 13:44:04
6	Nicolas Bliss-Carrascosa	600	Rust	2025-02-22 19:40:20
7	Henrik Josefsson	621	Rust	2025-07-18 14:20:34
8	Emil Gardström	632	Rust	2023-12-10 13:11:08
9	Oisín Mac Fhearaí	644	Rust	2021-05-23 16:18:24
10	Hidden user	681	Rust	2023-04-02 11:03:17

#	User	Length	Language	Date
1	arthur	1767	Zig	2024-07-17 01:29:41

Solution running time distribution