Problem A
Clock Construction — Problem Statistics

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Submissions	401
Accepted submissions	186
Submission ratio	46.38%
Authors	151
Full solves [?]	128
Full solve Ratio	84.77%

#	User	Runtime	Language	Date
1	Sambit Palit	0.01 s	C	2020-12-02 04:59:39

#	User	Runtime	Language	Date
1	Carlos Palacios	0.07 s	C#	2025-05-09 02:04:43

#	User	Runtime	Language	Date
1	David Wärn	0.01 s	C++	2019-03-30 13:35:59
2	Hannes Bredberg	0.01 s	C++	2019-03-30 14:07:47
3	Donald Dong	0.01 s	C++	2019-03-31 08:02:18
4	Hidden user	0.01 s	C++	2019-07-08 10:32:29
5	Bay Wei Heng	0.01 s	C++	2021-04-06 04:22:15
6	Andrew Polizzotto	0.01 s	C++	2022-01-11 02:22:21
7	Dmitry Lyubshin	0.01 s	C++	2023-04-19 00:55:28
8	Gao Tianrun	0.01 s	C++	2024-04-13 17:18:37
9	Hidden user	0.01 s	C++	2024-04-18 19:22:53
10	Hidden user	0.01 s	C++	2024-12-02 09:28:58

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.04 s	Haskell	2025-02-06 10:38:19
2	Brent Yorgey	0.30 s	Haskell	2019-03-30 19:16:19

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.13 s	Java	2020-07-31 21:19:31
2	Liam Keliher	0.20 s	Java	2021-10-14 00:34:55
3	Steven Cheng	0.23 s	Java	2021-01-02 06:18:10
4	Simon Klein	0.24 s	Java	2019-03-30 13:43:57
5	Tobias Glimmerfors	0.27 s	Java	2019-03-30 14:16:22
6	Doug Goodman	0.31 s	Java	2020-04-28 19:50:25
7	Bjørn Dons	0.33 s	Java	2023-06-20 20:16:00
8	Olav Övrebö	0.52 s	Java	2019-03-30 14:16:23
9	Erik Tegler	0.67 s	Java	2020-01-26 12:38:37
10	Kadin Tang	0.84 s	Java	2020-10-15 01:54:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2024-02-12 19:20:58

#	User	Runtime	Language	Date
1	Timothy Gaede	0.91 s	Julia	2026-01-12 14:04:36

#	User	Runtime	Language	Date
1	Jonatan Nilsson	0.06 s	Python 2	2019-03-30 13:32:05
2	Hidden user	0.06 s	Python 2	2019-03-30 14:19:27
3	Hidden user	0.08 s	Python 2	2019-03-30 14:59:27
4	Björn Magnusson	0.09 s	Python 2	2019-03-30 13:52:10
5	Måns Magnusson	0.13 s	Python 2	2019-03-30 13:19:28
6	Andreas Björklund	0.15 s	Python 2	2019-03-31 08:28:45
7	Oskar Larsson	0.17 s	Python 2	2019-05-26 20:55:04
8	Maj Stenmark	0.22 s	Python 2	2019-03-30 13:54:30
9	Lars Åström	0.87 s	Python 2	2019-03-30 13:49:14

#	User	Runtime	Language	Date
1	Benjamin Z White	0.06 s	Python 3	2023-06-21 01:10:38
2	Robin N	0.09 s	Python 3	2022-01-29 20:12:01
3	crapcode	0.09 s	Python 3	2023-01-30 15:22:27
4	Hidden user	0.09 s	Python 3	2025-07-24 04:43:54
5	Damijan Randl	0.13 s	Python 3	2020-09-04 12:55:16
6	Ajla Sović	0.13 s	Python 3	2020-09-05 18:29:52
7	Gaelan McMillan	0.13 s	Python 3	2022-01-29 23:21:40
8	Hidden user	0.14 s	Python 3	2023-04-18 12:00:33
9	Nick Wu	0.14 s	Python 3	2023-06-14 09:23:36
10	Hidden user	0.15 s	Python 3	2021-11-06 23:11:41

#	User	Runtime	Language	Date
1	Thomas Feld	0.51 s	Ruby	2023-06-21 12:38:55

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2026-02-03 15:29:08
2	Arnav Sastry	0.01 s	Rust	2022-03-28 19:02:59

#	User	Length	Language	Date
1	Sambit Palit	1881	C	2020-12-02 04:59:39

#	User	Length	Language	Date
1	Carlos Palacios	1025	C#	2025-05-09 02:04:43

#	User	Length	Language	Date
1	Dmitry Lyubshin	465	C++	2023-04-19 00:55:28
2	Bach Tran	517	C++	2026-02-07 22:01:51
3	Hidden user	529	C++	2024-04-18 19:22:53
4	Donald Dong	530	C++	2019-03-31 08:02:18
5	Marc Phua	532	C++	2020-06-14 17:56:27
6	Teikn Smith	535	C++	2024-10-18 06:01:51
7	Marcus Östling	553	C++	2019-03-30 16:30:12
8	Alexander Skidanov	587	C++	2025-08-24 10:22:32
9	Erik Mattfolk	596	C++	2019-03-31 16:57:48
10	Erik Amirell Eklöf	604	C++	2019-03-30 13:34:31

#	User	Length	Language	Date
1	Steinar Simonnes	702	Haskell	2025-02-06 10:38:19
2	Brent Yorgey	1048	Haskell	2019-03-30 19:16:19

#	User	Length	Language	Date
1	Doug Goodman	863	Java	2020-04-28 19:50:25
2	Crystal Sharpe	876	Java	2020-07-31 21:19:31
3	Olav Övrebö	1500	Java	2019-03-30 14:16:23
4	Liam Keliher	1513	Java	2021-10-14 00:34:34
5	Erik Tegler	1517	Java	2020-01-26 12:38:37
6	Simon Klein	3579	Java	2019-03-30 13:43:57
7	Tobias Glimmerfors	3709	Java	2019-03-30 14:16:22
8	Steven Cheng	3869	Java	2021-01-02 06:18:10
9	Bjørn Dons	5837	Java	2023-06-20 20:16:00
10	Kadin Tang	6382	Java	2020-10-15 01:54:33

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	195	JavaScript (SpiderMonkey)	2024-02-12 14:40:50

#	User	Length	Language	Date
1	Timothy Gaede	718	Julia	2026-01-12 14:04:36

#	User	Length	Language	Date
1	Hidden user	321	Python 2	2019-03-30 14:59:27
2	Andreas Björklund	322	Python 2	2019-03-31 08:28:45
3	Måns Magnusson	342	Python 2	2019-03-30 13:19:28
4	Jonatan Nilsson	349	Python 2	2019-03-30 13:32:05
5	Björn Magnusson	386	Python 2	2019-03-30 13:52:10
6	Hidden user	398	Python 2	2019-03-30 14:19:27
7	Lars Åström	429	Python 2	2019-03-30 13:49:14
8	Oskar Larsson	475	Python 2	2019-05-26 20:55:04
9	Maj Stenmark	757	Python 2	2019-03-30 13:54:30

#	User	Length	Language	Date
1	Benjamin Z White	99	Python 3	2023-06-21 01:20:26
2	Bryan Juniano	157	Python 3	2025-04-25 15:23:51
3	crapcode	210	Python 3	2023-01-30 17:17:00
4	Ari Blondal	227	Python 3	2026-02-20 19:44:01
5	Tai Tze Kin	235	Python 3	2024-05-03 14:16:52
6	Lawry Sorenson	249	Python 3	2023-07-27 07:06:56
7	Hrant Hovhannisyan	256	Python 3	2025-06-26 10:36:45
8	Robin N	264	Python 3	2022-01-30 02:25:04
9	Atli Fannar Franklín	265	Python 3	2023-09-29 18:01:37
10	Zac Friggstad	273	Python 3	2021-06-30 02:30:09

#	User	Length	Language	Date
1	Thomas Feld	76	Ruby	2023-06-21 13:45:31

#	User	Length	Language	Date
1	Arnav Sastry	2929	Rust	2022-03-28 19:02:59
2	Vincent Lagerros	65634	Rust	2026-02-03 15:29:08

Solution running time distribution