Problem I
Best Before — Problem Statistics

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Submissions	1765
Accepted submissions	510
Submission ratio	28.90%
Authors	484
Full solves [?]	417
Full solve Ratio	86.16%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-03-03 14:18:13
2	Andrew Roberts	0.00 s	C	2020-10-06 02:53:44

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.02 s	C#	2016-09-14 18:41:51
2	Marek	0.02 s	C#	2016-09-14 18:44:10
3	Raul Kooter	0.02 s	C#	2016-11-20 11:43:16
4	Khin Nyunt	0.02 s	C#	2017-01-19 14:33:11
5	Soujatya Sanyal	0.02 s	C#	2019-02-11 02:46:25
6	Robin Chandra	0.02 s	C#	2019-05-27 08:54:07
7	David Parker	0.02 s	C#	2022-03-24 15:09:44
8	Jens Erik	0.06 s	C#	2025-11-20 00:20:45
9	Simon Thillemann Nielsen	0.06 s	C#	2025-11-20 00:21:45

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.08 s	F#	2023-10-21 13:13:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2022-08-28 00:43:35

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2017-03-16 22:09:07
2	Li Jun	0.00 s	Haskell	2023-06-30 21:24:30
3	Matthew Gvasalia	0.00 s	Haskell	2023-08-18 03:55:19
4	Brent Yorgey	0.01 s	Haskell	2018-10-23 21:00:09

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.05 s	Java	2016-10-16 00:15:53
2	Josenildo Silva	0.05 s	Java	2017-12-10 01:30:57
3	Micah Stairs	0.06 s	Java	2016-11-20 15:04:02
4	Anton Erholt	0.06 s	Java	2017-10-10 22:46:07
5	Sven Rönnbäck	0.06 s	Java	2023-07-04 18:18:57
6	Daniel Angulo Sanchez	0.07 s	Java	2016-08-03 05:37:54
7	Егор Порядин	0.07 s	Java	2016-08-20 10:05:54
8	Ethan Partidas	0.07 s	Java	2016-09-15 01:20:58
9	Pedro Contipelli	0.07 s	Java	2016-09-15 06:36:56
10	Greg Araujo	0.07 s	Java	2016-11-11 16:21:26

#	User	Runtime	Language	Date
1	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-12 16:37:04

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-05-07 00:03:02
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-08-20 01:45:58
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-08-03 07:51:09

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-07-04 04:21:26

#	User	Runtime	Language	Date
1	Johnny Baloney	0.15 s	Kotlin	2021-12-06 18:35:41
2	James WIlliams	0.18 s	Kotlin	2020-12-24 04:10:11
3	Ashish Singh	0.18 s	Kotlin	2023-01-30 15:42:01
4	Adam Rankin	0.20 s	Kotlin	2023-09-08 23:47:28
5	Ravisai Tiruvuri	0.22 s	Kotlin	2024-03-27 10:11:23
6	Phường Lên	0.23 s	Kotlin	2020-04-21 20:45:32

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-09-02 14:52:44

#	User	Runtime	Language	Date
1	Jennie Olsson	0.02 s	Python 2	2016-08-25 11:18:42
2	Hidden user	0.02 s	Python 2	2017-04-18 19:36:06
3	Andre Pratama	0.02 s	Python 2	2017-08-30 04:54:12
4	Sigurður Jens Albertsson	0.02 s	Python 2	2017-11-30 10:58:08
5	Christofer Ohlsson	0.03 s	Python 2	2016-04-20 08:34:53
6	Gurinder Hans	0.03 s	Python 2	2016-08-30 07:32:31
7	Hermon Mulat	0.03 s	Python 2	2016-12-21 01:57:46
8	Agis Daniels	0.03 s	Python 2	2017-02-04 19:23:17
9	Erin Birkwood	0.03 s	Python 2	2017-06-16 02:57:33
10	Simona Šneberger	0.03 s	Python 2	2018-01-27 16:48:50

#	User	Runtime	Language	Date
1	Isaac Lee	0.02 s	Python 3	2017-02-20 01:50:51
2	Bernhard Kartefla	0.02 s	Python 3	2017-02-21 12:43:55
3	Ram Basnet	0.02 s	Python 3	2017-12-19 07:55:49
4	Govind Venugopalan	0.02 s	Python 3	2017-12-23 09:07:05
5	Simona Šneberger	0.02 s	Python 3	2018-01-28 11:56:11
6	Matej Rakar	0.02 s	Python 3	2018-02-06 17:41:10
7	Andre Pratama	0.02 s	Python 3	2018-03-13 14:15:38
8	Dhitiwat Jongsuebchoke	0.02 s	Python 3	2018-04-30 00:46:44
9	Eimhin McDonald	0.02 s	Python 3	2018-08-03 17:27:24
10	Peng Ye	0.02 s	Python 3	2018-09-05 14:04:56

#	User	Runtime	Language	Date
1	Erik Flood	0.03 s	Ruby	2017-05-13 23:08:41

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2022-09-30 19:37:36

#	User	Length	Language	Date
1	Andrew Roberts	1576	C	2020-10-06 02:53:44
2	Bergur Snorrason	2684	C	2020-03-03 14:18:13

#	User	Length	Language	Date
1	Jens Erik	1493	C#	2025-11-20 00:20:45
2	Simon Thillemann Nielsen	1493	C#	2025-11-20 00:21:45
3	Marek	1767	C#	2016-09-14 18:44:10
4	Soujatya Sanyal	2132	C#	2019-02-11 02:46:25
5	Robin Chandra	2413	C#	2019-05-27 08:54:07
6	Raul Kooter	2442	C#	2016-11-20 11:43:16
7	Khin Nyunt	3195	C#	2017-01-19 14:33:11
8	Andrzej Krajniak	3749	C#	2016-09-14 18:41:51
9	David Parker	5823	C#	2022-03-24 15:09:44

#	User	Length	Language	Date
1	Mugeon Kim	862	C++	2024-02-05 12:39:09
2	Markus Mathiasen	876	C++	2021-08-06 10:18:17
3	Hyunjun Lee	931	C++	2022-10-20 02:55:18
4	Karol Farbiś	968	C++	2016-05-22 09:37:39
5	Jalvin Chan Jia Xiang	1004	C++	2020-01-19 09:42:41
6	Grae Yeandle	1009	C++	2018-04-13 18:06:10
7	Austin Fernandez	1093	C++	2020-06-04 04:51:29
8	Hidden user	1120	C++	2025-09-30 22:44:20
9	Kunthee Yongvanich	1132	C++	2021-09-21 09:19:30
10	Leonardo Blanger	1139	C++	2020-09-09 02:04:47

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1051	F#	2023-10-21 13:13:52

#	User	Length	Language	Date
1	Norbert Voelker	1798	Go	2022-08-28 00:43:35

#	User	Length	Language	Date
1	Li Jun	500	Haskell	2023-06-30 21:26:54
2	Patrik Lilja	974	Haskell	2017-03-16 22:09:07
3	Brent Yorgey	1397	Haskell	2018-10-23 21:00:09
4	Matthew Gvasalia	2144	Haskell	2023-08-18 03:55:19

#	User	Length	Language	Date
1	Kevin Kauffman	1110	Java	2022-01-03 02:01:58
2	Doug Goodman	1511	Java	2017-09-05 14:43:14
3	Paul Boddington	1529	Java	2017-01-21 22:08:31
4	Khin Nyunt	1740	Java	2021-09-12 16:00:33
5	Ethan Partidas	1798	Java	2016-09-15 23:55:46
6	Niklas Vatn	2070	Java	2020-08-07 11:49:27
7	Josenildo Silva	2168	Java	2017-12-10 01:30:57
8	Andrew Polizzotto	2199	Java	2020-05-05 12:03:33
9	Егор Порядин	2201	Java	2016-08-20 10:05:54
10	Pedro Contipelli	2226	Java	2016-09-15 06:36:56

#	User	Length	Language	Date
1	Khin Nyunt	1697	JavaScript (Node.js)	2021-09-12 16:37:04

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1051	JavaScript (SpiderMonkey)	2016-08-20 01:45:58
2	Christian Pilegaard Cederquist	1091	JavaScript (SpiderMonkey)	2023-08-03 07:51:09
3	Peter Kedemo	1332	JavaScript (SpiderMonkey)	2016-05-07 00:03:02

#	User	Length	Language	Date
1	Timothy Gaede	1793	Julia	2024-07-04 04:21:26

#	User	Length	Language	Date
1	Adam Rankin	1085	Kotlin	2023-09-08 23:47:28
2	Ashish Singh	1342	Kotlin	2023-01-30 15:42:01
3	Phường Lên	1531	Kotlin	2020-04-21 20:45:32
4	Johnny Baloney	1782	Kotlin	2021-12-06 18:48:30
5	James WIlliams	5647	Kotlin	2020-12-24 04:10:11
6	Ravisai Tiruvuri	6578	Kotlin	2024-03-27 10:11:23

#	User	Length	Language	Date
1	Andriy Zyevakov	2133	Prolog	2024-09-02 14:52:44

#	User	Length	Language	Date
1	Andreas Eisele	346	Python 2	2018-09-28 17:34:23
2	Max Holmberg	492	Python 2	2018-11-08 17:38:13
3	Linus Karlsson	564	Python 2	2019-04-27 17:36:01
4	Hidden user	773	Python 2	2017-04-18 19:36:06
5	Jennie Olsson	826	Python 2	2016-08-25 11:18:42
6	Yanmarshus Bachtiar	853	Python 2	2020-10-06 09:59:30
7	Sigurður Jens Albertsson	886	Python 2	2017-11-30 10:58:08
8	Christofer Ohlsson	992	Python 2	2016-04-20 08:34:53
9	Wang Zhi Jian	1121	Python 2	2019-04-21 14:41:38

#	User	Length	Language	Date
1	Jun Yan	304	Python 3	2023-10-14 15:19:06
2	Nicholas Russell Saerang	342	Python 3	2023-08-20 04:31:54
3	Hao Ye	377	Python 3	2024-04-11 00:20:59
4	Teikn Smith	392	Python 3	2024-07-05 01:40:17
5	Nicholas Foo Chuan Le	397	Python 3	2021-08-18 12:22:44
6	Jerome Leow	411	Python 3	2020-12-25 07:43:19
7	Giovanni Gaio	418	Python 3	2024-08-24 15:15:13
8	Artur Khuziakhmetov	420	Python 3	2022-07-12 15:35:19
9	Mario del Bosque	430	Python 3	2025-10-15 08:31:32
10	Vương Thiện Trung	433	Python 3	2021-03-12 20:36:23

#	User	Length	Language	Date
1	Erik Flood	1401	Ruby	2017-05-13 23:08:41

#	User	Length	Language	Date
1	Klas af Geijerstam	7169	Rust	2022-09-30 19:37:36

Solution running time distribution