Problem J
The Mailbox Manufacturers Problem — Problem Statistics

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Submissions	4526
Accepted submissions	2203
Submission ratio	48.67%
Authors	1200
Full solves [?]	1056
Full solve Ratio	88.00%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2007-09-13 12:21:12
2	Erik Gustafsson	0.00 s	C	2007-09-17 13:10:37
3	Per Olofsson	0.00 s	C	2011-09-14 10:17:17
4	Marcus Larsson	0.00 s	C	2013-01-20 20:47:16
5	Amad Askor	0.00 s	C	2016-08-15 23:20:16
6	Olav Røthe Bakken	0.00 s	C	2017-10-25 23:23:00
7	Ivan Petrov	0.00 s	C	2019-09-10 13:54:37
8	MANAV SHARMA ADPAL	0.00 s	C	2024-07-04 06:05:27
9	Jesper Särnesjö	0.01 s	C	2007-09-17 13:18:30
10	Oskar Werkelin Ahlin	0.01 s	C	2011-01-25 22:14:07

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.04 s	C#	2014-02-15 21:56:19
2	masosz	0.05 s	C#	2015-02-23 21:13:24
3	Thomas Norris	0.15 s	C#	2019-06-23 20:48:08
4	Carlos Veintimilla	0.18 s	C#	2024-03-10 23:58:01
5	Artemy Gavrilov	0.18 s	C#	2024-03-11 00:34:26

#	User	Runtime	Language	Date
1	Yitian Wang	0.03 s	Go	2023-02-10 07:29:07
2	E N Martin	0.05 s	Go	2019-09-24 19:29:15
3	Việt Hà Nguyễn	0.21 s	Go	2016-07-17 06:33:11

#	User	Runtime	Language	Date
1	Brent Yorgey	0.07 s	Haskell	2017-10-29 13:34:17
2	Ethan Partidas	0.22 s	Haskell	2018-12-08 02:24:03
3	Hidden user	0.24 s	Haskell	2019-08-31 15:56:41
4	Jeffrey Rosenbluth	0.30 s	Haskell	2018-01-20 01:05:07
5	Mark Lekkerkerker	0.44 s	Haskell	2020-05-26 16:07:08

#	User	Runtime	Language	Date
1	leo wennberg	0.06 s	Java	2025-07-08 18:11:53
2	Hidden user	0.07 s	Java	2007-09-17 22:25:02
3	Daniel Bernstein	0.07 s	Java	2012-10-08 16:56:27
4	Marcus Öman	0.08 s	Java	2009-09-19 15:56:03
5	Simon Klein	0.08 s	Java	2012-02-05 11:20:13
6	Axel Lewenhaupt	0.08 s	Java	2013-01-14 12:43:27
7	Anders Ye	0.08 s	Java	2014-01-28 21:19:29
8	Sephy	0.08 s	Java	2014-03-02 15:50:30
9	Sofie Thorsen	0.08 s	Java	2014-09-05 10:41:10
10	Mouad Naciri	0.08 s	Java	2016-08-15 21:44:28

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-19 21:06:06
2	Christian Pilegaard Cederquist	0.29 s	JavaScript (SpiderMonkey)	2023-01-20 08:54:54
3	Tor Nordqvist	0.54 s	JavaScript (SpiderMonkey)	2016-11-16 17:20:06

#	User	Runtime	Language	Date
1	Adam Rankin	0.22 s	Kotlin	2023-09-02 15:53:03

#	User	Runtime	Language	Date
1	Andreas Serra	0.03 s	Python 2	2014-01-24 00:00:48
2	Erik Sillén	0.03 s	Python 2	2016-10-10 19:35:14
3	Torstein Strømme	0.07 s	Python 2	2017-01-19 19:17:56
4	Thomas Feld	0.13 s	Python 2	2019-09-09 12:14:19
5	Sergey Pashkovsky	0.15 s	Python 2	2017-11-21 11:58:25
6	Jesper Öqvist	0.15 s	Python 2	2018-10-26 19:57:25
7	Nick Wu	0.17 s	Python 2	2015-11-19 19:08:46
8	Çağdaş Öztekin	0.17 s	Python 2	2017-09-18 19:07:39
9	Andreas Björklund	0.20 s	Python 2	2019-08-24 12:02:23
10	Ram Basnet	0.33 s	Python 2	2018-12-10 05:27:33

#	User	Runtime	Language	Date
1	Philip Ritchey	0.02 s	Python 3	2017-02-13 20:12:03
2	Yang Li	0.02 s	Python 3	2018-04-27 01:40:52
3	Alexey Kaurov	0.03 s	Python 3	2018-07-25 15:26:52
4	John Zheng	0.05 s	Python 3	2023-02-16 20:36:41
5	András Biczó	0.05 s	Python 3	2023-12-29 14:39:21
6	Petr	0.05 s	Python 3	2024-12-19 07:41:03
7	Isaac Lee	0.06 s	Python 3	2020-05-10 05:15:25
8	Roger Bongers	0.06 s	Python 3	2020-06-05 16:31:20
9	Jan Laan	0.06 s	Python 3	2021-06-21 21:11:27
10	Hidden user	0.06 s	Python 3	2022-12-03 20:30:32

#	User	Runtime	Language	Date
1	Ruthger Dijt	0.01 s	Rust	2022-06-12 13:18:36
2	Melker Forsberg	0.01 s	Rust	2023-06-17 15:01:42
3	Norbert Voelker	0.02 s	Rust	2021-06-10 23:00:09
4	Bas Dirks	0.02 s	Rust	2022-07-10 17:14:46
5	Egor Kulikov	0.02 s	Rust	2025-02-06 12:18:42
6	Hidden user	0.05 s	Rust	2023-05-03 20:13:16
7	Jonathan Choi	0.05 s	Rust	2024-03-12 03:01:30
8	Gustaf Bergmark	0.11 s	Rust	2023-02-22 09:59:50

#	User	Length	Language	Date
1	Andreas Gabrielsson	736	C	2013-01-21 20:59:22
2	Julian Duniec	760	C	2023-08-26 17:50:04
3	Ivan Petrov	772	C	2019-09-10 13:54:37
4	Erik Gustafsson	796	C	2007-09-17 13:10:37
5	Mattias Davidsson	798	C	2023-06-15 21:32:18
6	Ramanathan Nachiappan	831	C	2022-11-08 19:27:49
7	Dhaval Patel	876	C	2022-11-11 01:32:01
8	Olav Røthe Bakken	880	C	2017-10-25 23:23:00
9	Pontus Lidholm	907	C	2023-06-21 09:53:13
10	Amad Askor	927	C	2016-08-15 23:20:16

#	User	Length	Language	Date
1	Artemy Gavrilov	1392	C#	2024-03-11 00:34:26
2	Simon Ståhlberg	1566	C#	2014-02-15 21:47:29
3	Thomas Norris	1862	C#	2019-06-23 20:48:08
4	masosz	1952	C#	2015-02-23 21:13:24
5	Carlos Veintimilla	2086	C#	2024-03-10 23:58:01

#	User	Length	Language	Date
1	Dagur Þórisson	418	C++	2024-09-28 00:22:49
2	Antonio Molina Lovett	436	C++	2016-08-09 05:56:43
3	Hidden user	447	C++	2018-11-16 18:30:56
4	Frederick Pek	496	C++	2021-05-07 14:51:06
5	Rene Josiah M. Quinto	507	C++	2017-11-25 06:38:55
6	Johan Wind	514	C++	2018-04-09 12:41:59
7	Marc Vinyals	518	C++	2013-01-22 22:31:47
8	Rodrigo Castillo	522	C++	2018-10-22 23:38:42
9	William Gan	525	C++	2017-02-01 16:09:24
10	Rishab Aggarwal	530	C++	2022-11-10 18:03:02

#	User	Length	Language	Date
1	E N Martin	857	Go	2019-09-24 19:29:15
2	Việt Hà Nguyễn	1173	Go	2016-07-17 06:33:11
3	Yitian Wang	1256	Go	2023-02-10 07:29:07

#	User	Length	Language	Date
1	Brent Yorgey	689	Haskell	2017-10-29 13:34:17
2	Ethan Partidas	722	Haskell	2018-12-08 02:24:03
3	Jeffrey Rosenbluth	798	Haskell	2018-01-20 01:05:07
4	Mark Lekkerkerker	829	Haskell	2020-05-26 16:07:08
5	Hidden user	4060	Haskell	2019-08-31 15:56:41

#	User	Length	Language	Date
1	Sam Huynh	785	Java	2021-02-21 08:28:15
2	Doug Goodman	800	Java	2016-06-23 21:59:23
3	Kiên Nguyễn Tiến Trung	828	Java	2017-02-04 13:34:48
4	Kurtis Van Gent	856	Java	2016-06-24 13:29:57
5	Balaji Theratipally	858	Java	2022-11-12 00:40:21
6	Christian Mächler	905	Java	2025-04-10 17:13:57
7	Staffan Rydström	912	Java	2011-09-16 16:52:01
8	David Van Nguyen	939	Java	2024-07-12 00:31:58
9	Søren Hjort	940	Java	2020-09-17 15:04:15
10	vinay harsha m	943	Java	2022-11-12 03:06:22

#	User	Length	Language	Date
1	Tor Nordqvist	703	JavaScript (SpiderMonkey)	2016-11-16 15:34:10
2	Christian Pilegaard Cederquist	870	JavaScript (SpiderMonkey)	2023-01-20 08:54:54
3	Jimmy Gustafsson	997	JavaScript (SpiderMonkey)	2022-06-18 05:23:27

#	User	Length	Language	Date
1	Adam Rankin	846	Kotlin	2023-09-02 15:53:03

#	User	Length	Language	Date
1	Thomas Feld	350	Python 2	2019-09-09 12:14:19
2	Daniel Showalter	445	Python 2	2019-03-26 02:52:02
3	Nick Wu	454	Python 2	2015-11-19 19:06:16
4	Jesper Öqvist	516	Python 2	2018-10-26 19:57:25
5	Andreas Björklund	524	Python 2	2019-08-24 12:02:23
6	Çağdaş Öztekin	559	Python 2	2017-09-18 19:07:39
7	Иззатбек Муханов	568	Python 2	2016-06-08 17:39:46
8	Fatima Afzali	589	Python 2	2019-02-09 21:13:53
9	Thomas Hayes	601	Python 2	2022-10-26 22:13:23
10	Johan Lyts	602	Python 2	2020-06-27 13:13:40

#	User	Length	Language	Date
1	Ahmed Chamseddine	232	Python 3	2025-03-21 14:33:59
2	Simon Hellsten	239	Python 3	2023-07-11 16:23:16
3	Paul Swingle	268	Python 3	2022-12-13 13:41:38
4	Dante Bencivenga	305	Python 3	2023-02-15 03:06:54
5	Teikn Smith	353	Python 3	2022-06-27 22:47:49
6	Prateek Bhakta	360	Python 3	2021-09-16 23:12:13
7	Oskar Haarklou Veileborg	363	Python 3	2020-05-01 15:37:54
8	Jason Cannon	371	Python 3	2019-11-20 21:17:59
9	Prajwal Vandana	376	Python 3	2025-10-21 06:26:27
10	Yong Mao	379	Python 3	2023-07-23 02:48:54

#	User	Length	Language	Date
1	Bas Dirks	1024	Rust	2022-07-10 17:14:46
2	Hidden user	1132	Rust	2023-05-03 20:13:16
3	Ruthger Dijt	1274	Rust	2022-06-12 13:18:36
4	Melker Forsberg	1577	Rust	2023-06-17 14:53:16
5	Norbert Voelker	2168	Rust	2021-06-10 23:00:09
6	Jonathan Choi	3188	Rust	2024-03-12 03:01:30
7	Gustaf Bergmark	3863	Rust	2023-02-22 09:59:50
8	Egor Kulikov	24713	Rust	2025-02-06 12:18:42

Solution running time distribution