Problem A
Warehouse — Problem Statistics

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Submissions	4200
Accepted submissions	2225
Submission ratio	52.98%
Authors	2066
Full solves [?]	1908
Full solve Ratio	92.35%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2018-11-11 15:26:59
2	Sanjiv Dinakar	0.00 s	C	2019-02-15 05:58:25
3	Han Jiang	0.00 s	C	2019-08-23 12:50:49
4	Hassan ZEKKOURI	0.00 s	C	2019-11-03 22:17:21
5	Hamza Chaouki	0.00 s	C	2019-11-05 15:22:23
6	PhilCampbell	0.00 s	C	2021-02-25 16:33:06
7	Mirel Cosulschi	0.00 s	C	2022-12-06 23:07:03
8	Erick	0.00 s	C	2023-12-08 04:22:09
9	Sami Al Chalati	0.00 s	C	2024-10-05 17:18:36
10	Naveen Kumar S	0.00 s	C	2025-04-02 15:12:38

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.04 s	C#	2018-12-05 17:11:02
2	Alexander Eriksson	0.04 s	C#	2018-12-20 19:44:44
3	Liam Percy	0.04 s	C#	2019-09-22 05:52:14
4	Travis Lange	0.04 s	C#	2019-10-23 23:29:26
5	Thomas Norris	0.04 s	C#	2019-10-29 20:38:31
6	Jayant Notani	0.04 s	C#	2020-02-14 23:06:34
7	RollingThunder8492	0.04 s	C#	2022-03-19 04:41:26
8	Adam Imbert	0.04 s	C#	2022-04-19 00:25:35
9	Peter Løffmann	0.04 s	C#	2022-05-01 14:53:32
10	Yuwono Bangun Nagoro	0.05 s	C#	2020-09-05 08:53:44

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-05-27 07:10:05

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2022-12-20 20:02:06

#	User	Runtime	Language	Date
1	Nathan Lee	0.01 s	Go	2025-10-29 21:45:53
2	Norbert Voelker	0.03 s	Go	2021-05-13 20:46:44
3	Julian Duniec	0.06 s	Go	2024-06-25 10:53:43
4	Nathaniel Brown	0.09 s	Go	2019-11-11 04:27:44
5	Krzysztof Gibuła	0.09 s	Go	2021-07-04 15:27:10
6	Arne Philipeit	0.10 s	Go	2019-10-23 16:54:05

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-05-23 15:36:56
2	Brent Yorgey	0.02 s	Haskell	2018-11-15 18:25:07
3	Lim Ming Yean	0.02 s	Haskell	2019-03-28 08:52:35
4	Christian Leipe	0.02 s	Haskell	2019-08-16 18:07:48
5	Aurélien Pepin	0.02 s	Haskell	2019-08-16 18:34:39
6	Intrets	0.02 s	Haskell	2019-08-23 00:06:02
7	Hidden user	0.02 s	Haskell	2019-08-24 18:03:14
8	Jan Hrček	0.02 s	Haskell	2021-03-14 11:32:58
9	Øyvind Almli	0.02 s	Haskell	2021-10-09 18:35:48

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2021-12-11 15:19:03
2	Theodoric Keith Lim	0.11 s	Java	2020-06-18 11:02:53
3	Shakeel Samsudeen	0.12 s	Java	2018-11-22 01:27:38
4	Richard Chong	0.12 s	Java	2020-09-14 04:36:04
5	Austin Patterson	0.12 s	Java	2021-03-26 02:18:32
6	Hidden user	0.13 s	Java	2018-11-19 18:53:58
7	Santiago Rivas	0.13 s	Java	2024-12-28 17:18:53
8	Lim Shao Qi	0.14 s	Java	2024-10-23 16:04:27
9	Rayan Ahmed	0.15 s	Java	2018-11-13 05:11:35
10	Crystal Sharpe	0.16 s	Java	2019-11-02 01:01:09

#	User	Runtime	Language	Date
1	Matthew Montoni-Till	0.43 s	JavaScript (Node.js)	2020-02-18 04:03:54
2	Chris Wong	0.43 s	JavaScript (Node.js)	2022-03-16 12:32:16
3	Tilo Hirsch	0.46 s	JavaScript (Node.js)	2020-07-14 04:11:12
4	Hidden user	0.47 s	JavaScript (Node.js)	2019-12-01 10:08:53
5	Peter Kedemo	0.47 s	JavaScript (Node.js)	2020-01-06 01:17:46
6	Stephanie Keck	0.47 s	JavaScript (Node.js)	2020-02-14 22:50:32
7	William Jessop	0.47 s	JavaScript (Node.js)	2021-02-27 18:17:29
8	Hovhannes Kantuni	0.47 s	JavaScript (Node.js)	2021-03-12 22:41:32
9	MaxAbillion	0.47 s	JavaScript (Node.js)	2021-05-14 16:26:55
10	Bas Dirks	0.47 s	JavaScript (Node.js)	2021-12-21 09:39:28

#	User	Runtime	Language	Date
1	Casey Smith	0.04 s	JavaScript (SpiderMonkey)	2019-05-30 17:59:46
2	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2021-09-24 21:24:20
3	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-02-07 13:59:12
4	Aviruk Basak	0.04 s	JavaScript (SpiderMonkey)	2023-02-14 09:23:45
5	Zach Tschetter	0.04 s	JavaScript (SpiderMonkey)	2023-04-18 04:35:43
6	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2024-08-07 14:41:44
7	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2018-11-19 22:54:58

#	User	Runtime	Language	Date
1	Timothy Gaede	0.70 s	Julia	2024-04-16 10:05:57
2	Danny Robinson	0.94 s	Julia	2023-09-28 08:49:45

#	User	Runtime	Language	Date
1	Sam Keyser	0.20 s	Kotlin	2022-10-16 21:32:49
2	Hidden user	0.23 s	Kotlin	2020-02-26 03:57:27
3	Martijn Muijsers	0.27 s	Kotlin	2024-06-02 18:23:12
4	Marit van Dijk	0.28 s	Kotlin	2021-09-23 13:43:23
5	Adam Rankin	0.28 s	Kotlin	2023-05-09 21:52:03
6	Lars-Petter Hansen	0.32 s	Kotlin	2021-01-12 19:38:56
7	Emil Eriksmoen Stensland	0.32 s	Kotlin	2021-03-01 17:48:33
8	Ola Sundell	0.33 s	Kotlin	2019-10-28 17:54:52
9	Einar Kristiansen	0.34 s	Kotlin	2022-02-20 11:57:22
10	Neil Harmon	0.35 s	Kotlin	2019-05-10 09:24:43

#	User	Runtime	Language	Date
1	Caleb Austin	0.01 s	Lua	2024-09-13 23:17:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2018-12-08 13:09:16

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.04 s	Prolog	2023-03-03 10:36:57

#	User	Runtime	Language	Date
1	Andrei Stoica	0.04 s	Python 2	2020-11-04 12:12:47
2	William Ogletree	0.05 s	Python 2	2019-02-02 00:05:03
3	Gibransyah	0.05 s	Python 2	2020-10-16 11:57:45
4	Kevin Chau	0.06 s	Python 2	2018-11-10 20:54:56
5	Måns Magnusson	0.06 s	Python 2	2018-11-11 16:13:39
6	Maj Stenmark	0.06 s	Python 2	2018-11-12 00:07:58
7	Max Holmberg	0.06 s	Python 2	2018-11-15 02:03:19
8	Johann Ly	0.06 s	Python 2	2018-12-15 09:37:29
9	Johan Lyts	0.06 s	Python 2	2019-03-19 21:31:45
10	Sai Ajayakumar	0.06 s	Python 2	2019-08-05 23:26:21

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2019-08-14 00:55:59
2	Subramanian Ramasamy	0.02 s	Python 3	2019-08-22 17:37:10
3	Vi Nguyen	0.02 s	Python 3	2019-10-03 01:51:14
4	Hidden user	0.02 s	Python 3	2019-10-18 18:29:05
5	Albert Chu	0.02 s	Python 3	2019-10-20 01:50:39
6	Ben Stutzman	0.02 s	Python 3	2019-11-02 18:23:53
7	Daniel Hackman - Student	0.02 s	Python 3	2019-11-02 18:50:56
8	Jeffrey Huang	0.03 s	Python 3	2018-11-10 19:40:14
9	Justus Karlsson	0.03 s	Python 3	2018-11-10 20:06:28
10	Angus Lothian	0.03 s	Python 3	2018-11-11 02:00:55

#	User	Runtime	Language	Date
1	Donald Dong	0.05 s	Ruby	2019-03-05 08:07:20
2	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-10-21 16:09:30
3	Pandhu Hutomo Aditya	0.06 s	Ruby	2020-11-03 15:44:58
4	Jesse van der Pluijm	0.06 s	Ruby	2021-04-05 16:57:18
5	Kok Dith	0.06 s	Ruby	2021-08-19 05:35:40
6	Marie Cornellier	0.06 s	Ruby	2021-09-03 03:19:11
7	Clement Oh	0.07 s	Ruby	2024-04-26 12:26:10

#	User	Runtime	Language	Date
1	Aaron Lengyel	0.00 s	Rust	2021-11-10 21:19:10
2	Paul Nutini	0.00 s	Rust	2022-10-18 20:08:59
3	Egor Kulikov	0.00 s	Rust	2025-02-07 12:53:16
4	Vincent Lagerros	0.00 s	Rust	2025-05-27 23:19:00
5	Joe Blower	0.00 s	Rust	2025-12-05 02:46:23
6	Dalton Parker Caron	0.01 s	Rust	2018-12-28 05:45:30
7	Chaoyi Yin	0.01 s	Rust	2019-02-03 00:19:06
8	Chen Weikang	0.01 s	Rust	2019-02-03 00:30:32
9	Robert Janczewski	0.01 s	Rust	2020-02-07 18:44:08
10	David Rasch	0.01 s	Rust	2021-04-26 17:34:39

#	User	Length	Language	Date
1	Mirel Cosulschi	1089	C	2022-12-06 23:07:03
2	Hamza Chaouki	1244	C	2019-11-05 15:22:23
3	Hassan ZEKKOURI	1246	C	2019-11-03 22:17:21
4	Erick	1314	C	2023-12-08 04:22:09
5	Naveen Kumar S	1392	C	2025-04-02 15:12:38
6	Sanjiv Dinakar	1662	C	2019-02-15 05:58:25
7	PhilCampbell	1809	C	2021-02-25 16:33:06
8	Sami Al Chalati	1810	C	2024-10-05 17:18:36
9	Han Jiang	3997	C	2019-08-23 12:50:49
10	Bergur Snorrason	9585	C	2018-11-11 15:26:59

#	User	Length	Language	Date
1	Natalie Wagner	1008	C#	2025-10-04 18:27:43
2	Leslie Yip	1025	C#	2022-09-17 11:57:10
3	Nathan Andrews	1036	C#	2024-09-13 22:30:19
4	Գոռ Բաղդասարյան	1143	C#	2025-03-18 13:19:55
5	Umar Rasyid	1159	C#	2025-05-13 04:37:09
6	Göran Andersson	1272	C#	2022-05-20 14:49:25
7	Gustav Junedahl	1280	C#	2022-04-25 18:10:54
8	Michael Damsgaard	1291	C#	2025-01-05 07:25:13
9	Thomas Norris	1308	C#	2019-10-29 20:38:31
10	Jayant Notani	1452	C#	2020-02-14 23:06:34

#	User	Length	Language	Date
1	Đoàn Công Chính	444	C++	2019-01-02 07:14:06
2	Juliet Persia	449	C++	2019-08-02 05:24:52
3	Tyler Jones	451	C++	2023-01-28 21:09:44
4	Johan Wind	464	C++	2018-11-16 17:50:43
5	Cristopher Namchee	472	C++	2019-08-13 15:20:46
6	Aman Karunakaran	477	C++	2019-10-19 19:35:58
7	Hidden user	495	C++	2023-01-28 21:16:43
8	Zane Yu	498	C++	2019-01-24 15:37:12
9	Michael Earl	503	C++	2018-11-11 01:26:13
10	Nathan Leake	503	C++	2018-11-15 18:41:47

#	User	Length	Language	Date
1	Hidden user	925	Common Lisp	2019-05-27 07:10:05

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	694	F#	2022-12-20 20:02:06

#	User	Length	Language	Date
1	Julian Duniec	712	Go	2024-06-25 10:53:43
2	Krzysztof Gibuła	770	Go	2021-07-04 15:27:10
3	Arne Philipeit	826	Go	2019-10-23 16:54:05
4	Nathan Lee	907	Go	2025-10-29 21:45:53
5	Nathaniel Brown	1295	Go	2019-11-11 04:27:44
6	Norbert Voelker	1708	Go	2021-05-13 20:46:44

#	User	Length	Language	Date
1	Hidden user	798	Haskell	2019-08-24 18:03:14
2	Lim Ming Yean	805	Haskell	2019-03-28 08:52:35
3	Aurélien Pepin	886	Haskell	2019-08-16 18:34:39
4	Øyvind Almli	963	Haskell	2021-10-09 18:35:48
5	Jan Hrček	1009	Haskell	2021-03-14 11:32:58
6	Steinar Simonnes	1109	Haskell	2024-05-23 15:38:00
7	Christian Leipe	1169	Haskell	2019-08-16 18:07:48
8	Intrets	1793	Haskell	2019-08-23 00:06:02
9	Brent Yorgey	1960	Haskell	2018-11-15 18:25:07

#	User	Length	Language	Date
1	Daniel Sutantyo	912	Java	2021-09-15 10:32:54
2	Ida Bagus Purwa	930	Java	2022-11-15 17:39:45
3	Cherry Wine	976	Java	2023-11-18 10:04:26
4	David Richey	981	Java	2018-11-16 08:46:45
5	Charles Lyu	999	Java	2019-11-02 18:18:14
6	Jeremiah	1000	Java	2025-06-03 16:07:50
7	Lior Barak	1007	Java	2019-10-26 18:37:59
8	Sam Zheng	1017	Java	2021-11-06 18:55:15
9	Jordan Thompson	1036	Java	2019-10-29 20:58:35
10	Jason Liu	1047	Java	2023-05-28 03:26:48

#	User	Length	Language	Date
1	Peter Kedemo	848	JavaScript (Node.js)	2020-01-06 01:17:46
2	Marc Fong	898	JavaScript (Node.js)	2021-05-06 20:42:17
3	Chris Wong	1212	JavaScript (Node.js)	2022-03-16 12:32:16
4	Hovhannes Kantuni	1235	JavaScript (Node.js)	2021-03-12 22:41:32
5	Tilo Hirsch	1297	JavaScript (Node.js)	2020-07-14 04:11:12
6	Hidden user	1316	JavaScript (Node.js)	2019-12-01 10:08:53
7	MaxAbillion	1643	JavaScript (Node.js)	2021-05-14 16:26:55
8	Niamh Limerick	1649	JavaScript (Node.js)	2022-03-24 14:21:00
9	William Jessop	1686	JavaScript (Node.js)	2021-02-27 18:17:29
10	Matthew Montoni-Till	1999	JavaScript (Node.js)	2020-02-18 04:03:54

#	User	Length	Language	Date
1	Jimmy Gustafsson	237	JavaScript (SpiderMonkey)	2024-08-07 14:41:44
2	Christian Pilegaard Cederquist	359	JavaScript (SpiderMonkey)	2023-02-07 13:59:12
3	Zach Tschetter	431	JavaScript (SpiderMonkey)	2023-04-18 04:35:43
4	Bjørn Chr. Soltvedt	542	JavaScript (SpiderMonkey)	2018-11-19 22:54:58
5	Aviruk Basak	561	JavaScript (SpiderMonkey)	2023-02-14 09:23:45
6	Peter Menyes	594	JavaScript (SpiderMonkey)	2021-09-24 21:46:20
7	Casey Smith	956	JavaScript (SpiderMonkey)	2019-05-30 17:59:46

#	User	Length	Language	Date
1	Danny Robinson	229	Julia	2023-09-28 08:49:45
2	Timothy Gaede	3485	Julia	2024-04-16 10:05:57

#	User	Length	Language	Date
1	Phường Lên	566	Kotlin	2020-01-01 06:37:24
2	Jahid Hasan Imon	670	Kotlin	2020-06-07 12:34:09
3	arda atci	678	Kotlin	2020-07-07 18:17:47
4	Einar Kristiansen	687	Kotlin	2022-02-20 11:57:22
5	Sam Keyser	820	Kotlin	2022-10-16 21:32:49
6	Troy Warmboe	821	Kotlin	2020-02-20 01:25:20
7	Martijn Muijsers	900	Kotlin	2024-06-02 18:23:12
8	Ola Sundell	1001	Kotlin	2019-10-28 17:54:52
9	Adam Rankin	1069	Kotlin	2023-05-09 21:52:03
10	Lars-Petter Hansen	1112	Kotlin	2021-01-12 19:38:56

#	User	Length	Language	Date
1	Caleb Austin	822	Lua	2024-09-13 23:17:37

#	User	Length	Language	Date
1	Ingemar Ragnemalm	6435	Pascal	2018-12-08 13:09:16

#	User	Length	Language	Date
1	Hakan Kjellerstrand	626	Prolog	2023-03-03 10:36:57

#	User	Length	Language	Date
1	Thomas Feld	221	Python 2	2019-09-04 16:15:04
2	Neal Zane	230	Python 2	2019-01-28 00:46:37
3	Jesper Öqvist	278	Python 2	2019-02-26 11:50:39
4	Lars Åström	298	Python 2	2018-11-12 14:55:01
5	Måns Magnusson	314	Python 2	2018-11-11 16:13:39
6	Maj Stenmark	314	Python 2	2018-11-12 00:07:58
7	Lim Hong Hui Eugene	329	Python 2	2019-04-17 04:27:16
8	Andreas Björklund	334	Python 2	2019-11-14 17:46:18
9	a_b__c	335	Python 2	2021-01-27 18:27:23
10	Eoin Davey	345	Python 2	2018-11-20 05:26:43

#	User	Length	Language	Date
1	Peter Seely	161	Python 3	2024-02-16 09:54:06
2	Ahmed Chamseddine	177	Python 3	2024-08-09 13:16:29
3	Lawry Sorenson	179	Python 3	2024-02-01 05:02:20
4	Simon Baeckelant	203	Python 3	2024-12-02 06:52:41
5	David Aldenbro	211	Python 3	2025-08-24 11:26:29
6	Yong Mao	222	Python 3	2023-05-26 17:19:44
7	Tobias Bessler	257	Python 3	2024-08-27 03:46:26
8	Oskar Haarklou Veileborg	261	Python 3	2020-03-05 11:14:34
9	Nicholas Russell Saerang	263	Python 3	2023-06-18 19:12:15
10	Roger Bongers	273	Python 3	2019-03-29 17:34:04

#	User	Length	Language	Date
1	Donald Dong	217	Ruby	2019-03-05 08:07:20
2	Clement Oh	237	Ruby	2024-04-26 12:26:10
3	Kok Dith	292	Ruby	2021-08-19 05:35:40
4	Marie Cornellier	333	Ruby	2021-09-03 03:19:11
5	Macdara mac an tSionnaigh	538	Ruby	2019-10-21 16:09:30
6	Pandhu Hutomo Aditya	1082	Ruby	2020-11-03 15:44:58
7	Jesse van der Pluijm	1105	Ruby	2021-04-05 16:57:18

#	User	Length	Language	Date
1	Isak Jägberg	872	Rust	2025-07-11 15:40:33
2	David Rasch	898	Rust	2021-04-26 17:34:39
3	Eric Pinter	1428	Rust	2021-06-06 21:11:39
4	Mckinley Xie	1513	Rust	2025-03-21 21:21:08
5	Dalton Parker Caron	1569	Rust	2018-12-28 05:45:30
6	Robert Janczewski	1677	Rust	2020-02-07 18:44:08
7	Paul Nutini	1917	Rust	2022-10-18 20:08:59
8	Joe Blower	2014	Rust	2025-12-05 02:46:23
9	Aaron Lengyel	3694	Rust	2021-11-10 21:19:10
10	Chen Weikang	21416	Rust	2019-02-03 00:30:32

Solution running time distribution