Problem A
The Clock — Problem Statistics

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Submissions	1738
Accepted submissions	1200
Submission ratio	69.04%
Authors	737
Full solves [?]	649
Full solve Ratio	88.06%

#	User	Score	Language	Date
1	Sebastian Banert	100	Ada	2024-07-07 20:26:41

#	User	Score	Language	Date
1	Thomas Feld	100	Bash	2023-04-26 10:08:11
2	Chenzhang Hu	100	Bash	2023-09-24 16:00:55

#	User	Score	Language	Date
1	Kayla Moorcroft	100	C#	2023-06-21 13:35:53
2	tony shi	100	C#	2023-09-15 04:50:05
3	Esty Crow	100	C#	2023-11-11 16:30:00
4	Anthony Ye	100	C#	2023-11-12 19:16:05
5	traxex	100	C#	2024-05-09 12:26:47
6	Filip Karlsson	100	C#	2024-11-09 12:28:43
7	Michael Damsgaard	100	C#	2024-11-19 18:46:34
8	Գոռ Բաղդասարյան	100	C#	2024-12-11 08:33:20

#	User	Score	Language	Date
1	Peter Berndt Fuchs	100	F#	2022-11-01 14:12:39

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2022-09-24 22:50:16
2	Ian Howell	100	Go	2023-05-25 20:37:16
3	Thomas	100	Go	2024-01-04 23:46:55
4	Ronas Jacob Coban Olsen	100	Go	2024-10-11 17:38:31

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2022-11-23 23:08:27
2	Brian Hwang	100	Haskell	2023-02-26 22:52:01
3	Ng Tek In	100	Haskell	2023-09-01 03:09:15
4	Henrik Olsen Eide	100	Haskell	2023-09-14 17:44:53
5	Charley Sheaffer	100	Haskell	2023-11-03 04:59:08
6	Simon Paege	100	Haskell	2023-11-28 21:58:55
7	Steinar Simonnes	100	Haskell	2024-02-14 10:56:03
8	Jan Hrček	100	Haskell	2024-12-18 07:22:06

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2022-07-04 13:36:04
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-01-11 10:21:35
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-07-05 23:59:36

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-05-11 06:54:09

#	User	Score	Language	Date
1	Sam Keyser	100	Kotlin	2022-08-01 04:03:40
2	Emil Wihlander	100	Kotlin	2023-07-27 13:53:19
3	Adam Rankin	100	Kotlin	2023-11-19 04:30:58
4	Karl Johan Heimark	100	Kotlin	2024-02-15 20:53:31
5	jonas lølanl	100	Kotlin	2024-02-15 20:54:55
6	Martijn Muijsers	100	Kotlin	2024-05-31 14:57:50

#	User	Score	Language	Date
1	Shinji Koshida	100	Lua	2025-04-10 08:53:16

#	User	Score	Language	Date
1	Nina Andrup Pedersen	67	OCaml	2022-07-16 16:42:39

#	User	Score	Language	Date
1	David Connolly	100	Pascal	2025-09-08 16:29:27

#	User	Score	Language	Date
1	Andre Wahyudi	100	PHP	2023-03-14 10:47:55
2	Renate	100	PHP	2023-08-13 00:07:47
3	Victor Santos	100	PHP	2024-04-19 19:52:48

#	User	Score	Language	Date
1	Hakan Kjellerstrand	100	Prolog	2023-03-07 09:40:14

#	User	Score	Language	Date
1	Yanmarshus Bachtiar	100	Python 2	2023-02-15 08:08:00

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2022-12-19 15:36:11
2	Miorel Palii	100	Ruby	2023-01-07 07:15:04

#	User	Score	Language	Date
1	Jason Hooper	100	Rust	2022-07-05 01:48:33
2	David Rasch	100	Rust	2022-10-09 16:00:06
3	Bas Dirks	100	Rust	2022-11-21 20:42:09
4	Eric Pinter	100	Rust	2023-02-23 13:42:12
5	David Aldenbro	100	Rust	2023-09-22 16:29:59
6	April Clark	100	Rust	2023-10-23 03:58:29
7	Andrea Cattaneo	100	Rust	2024-04-06 18:21:58
8	Pankajkumar Patro	100	Rust	2024-09-23 15:11:46
9	Isak Jägberg	100	Rust	2024-10-23 13:20:56
10	Vincent Lagerros	100	Rust	2025-02-01 23:41:02

#	User	Score	Language	Date
1	KatSch	100	Zig	2024-11-18 15:40:22

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-07-07 20:26:41

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-04-26 10:08:11
2	Chenzhang Hu	0.01 s	Bash	2023-09-24 16:00:55

#	User	Runtime	Language	Date
1	Kayla Moorcroft	0.04 s	C#	2023-06-21 13:35:53
2	tony shi	0.04 s	C#	2023-09-15 04:50:05
3	Esty Crow	0.04 s	C#	2023-11-11 16:30:00
4	Anthony Ye	0.04 s	C#	2023-11-12 19:16:05
5	traxex	0.04 s	C#	2024-05-09 12:26:47
6	Michael Damsgaard	0.04 s	C#	2024-11-19 18:46:34
7	Filip Karlsson	0.05 s	C#	2024-11-09 12:28:43
8	Գոռ Բաղդասարյան	0.05 s	C#	2024-12-11 08:33:20

#	User	Runtime	Language	Date
1	Peter Berndt Fuchs	0.07 s	F#	2022-11-01 14:12:39

#	User	Runtime	Language	Date
1	Ian Howell	0.00 s	Go	2023-05-25 20:37:16
2	Thomas	0.00 s	Go	2024-01-04 23:46:55
3	Ronas Jacob Coban Olsen	0.00 s	Go	2024-10-11 17:38:31
4	Norbert Voelker	0.01 s	Go	2022-09-24 22:50:16

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2022-11-23 23:08:27
2	Brian Hwang	0.00 s	Haskell	2023-02-26 22:52:01
3	Ng Tek In	0.00 s	Haskell	2023-09-01 03:09:15
4	Henrik Olsen Eide	0.00 s	Haskell	2023-09-14 17:44:53
5	Charley Sheaffer	0.00 s	Haskell	2023-11-03 04:59:08
6	Simon Paege	0.00 s	Haskell	2023-11-28 21:58:55
7	Steinar Simonnes	0.00 s	Haskell	2024-02-14 10:56:03
8	Jan Hrček	0.00 s	Haskell	2024-12-18 07:22:06

#	User	Runtime	Language	Date
1	Hussin Suleiman	0.05 s	Java	2024-05-29 18:18:38
2	Crystal Sharpe	0.06 s	Java	2022-08-02 01:59:09
3	Ku Brian	0.06 s	Java	2024-05-08 14:40:47
4	Tuệ Lâm	0.07 s	Java	2023-11-03 14:18:27
5	Achim Ahlers	0.08 s	Java	2023-12-09 17:58:16
6	Giorgi Mchedlishvili	0.08 s	Java	2024-10-12 02:23:42
7	leo wennberg	0.08 s	Java	2025-08-07 21:54:44
8	Dat Nguyen Man	0.09 s	Java	2023-11-05 02:00:02
9	Minh Nguyen Duc Nhat	0.09 s	Java	2023-11-07 18:04:41
10	Huỳnh Đăng Trình	0.09 s	Java	2023-11-07 20:47:54

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-07-04 13:36:04
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-11 10:21:35
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-05 23:59:36

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-05-11 06:54:09

#	User	Runtime	Language	Date
1	Sam Keyser	0.18 s	Kotlin	2022-08-01 04:03:40
2	Emil Wihlander	0.18 s	Kotlin	2023-07-27 13:53:19
3	Karl Johan Heimark	0.18 s	Kotlin	2024-02-15 20:53:31
4	jonas lølanl	0.18 s	Kotlin	2024-02-15 20:54:55
5	Martijn Muijsers	0.18 s	Kotlin	2024-05-31 14:57:50
6	Adam Rankin	0.20 s	Kotlin	2023-11-19 04:30:58

#	User	Runtime	Language	Date
1	Shinji Koshida	0.00 s	Lua	2025-04-10 08:53:16

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2025-09-08 16:29:27

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2023-03-14 10:47:55
2	Renate	0.01 s	PHP	2023-08-13 00:07:47
3	Victor Santos	0.01 s	PHP	2024-04-19 19:52:48

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-07 09:40:14

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-15 08:08:00

#	User	Runtime	Language	Date
1	Thore Husfeldt	0.04 s	Python 3	2022-07-06 17:38:49
2	Teikn Smith	0.04 s	Python 3	2022-07-15 03:08:09
3	Thomas Draper	0.04 s	Python 3	2022-07-24 01:31:06
4	Tony Kwan	0.04 s	Python 3	2022-08-06 22:52:38
5	Logan Pipes	0.04 s	Python 3	2022-08-23 01:47:03
6	Mark Meysenburg	0.04 s	Python 3	2022-09-06 17:09:41
7	Ben Brunsman	0.04 s	Python 3	2022-09-18 01:29:53
8	arda atci	0.04 s	Python 3	2022-09-20 22:38:27
9	Guillermo Hernández	0.04 s	Python 3	2022-09-21 09:05:18
10	Kamryn Plock	0.04 s	Python 3	2022-09-23 23:15:56

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-12-19 15:36:11
2	Miorel Palii	0.06 s	Ruby	2023-01-07 07:15:04

#	User	Runtime	Language	Date
1	Jason Hooper	0.00 s	Rust	2022-07-05 01:48:33
2	David Rasch	0.00 s	Rust	2022-10-09 16:00:06
3	Bas Dirks	0.00 s	Rust	2022-11-21 20:42:09
4	Eric Pinter	0.00 s	Rust	2023-02-23 13:42:12
5	David Aldenbro	0.00 s	Rust	2023-09-22 16:29:59
6	April Clark	0.00 s	Rust	2023-10-23 03:58:29
7	Andrea Cattaneo	0.00 s	Rust	2024-04-06 18:21:58
8	Pankajkumar Patro	0.00 s	Rust	2024-09-23 15:11:46
9	Isak Jägberg	0.00 s	Rust	2024-10-23 13:20:56
10	Vincent Lagerros	0.00 s	Rust	2025-02-01 23:41:02

#	User	Runtime	Language	Date
1	KatSch	0.00 s	Zig	2024-11-18 15:40:22

#	User	Length	Language	Date
1	Sebastian Banert	472	Ada	2024-07-07 20:26:41

#	User	Length	Language	Date
1	Thomas Feld	39	Bash	2023-09-12 15:43:03
2	Chenzhang Hu	48	Bash	2025-09-13 17:07:08

#	User	Length	Language	Date
1	Martin Blom	169	C	2024-01-10 20:36:56
2	Eduardo Vicente Petry	215	C	2025-08-12 23:43:42
3	Ian Steiner	227	C	2024-07-22 20:12:45
4	Jeroen Jongkees	263	C	2023-04-13 20:17:26
5	Allan Nouri	265	C	2024-09-29 17:29:23
6	紅茶	344	C	2023-03-06 04:05:03
7	Børge Bjørnstadjordet	372	C	2024-07-01 08:52:52
8	Florian ten Napel	395	C	2024-09-30 21:32:54
9	Roemer Caliboso	405	C	2024-09-03 21:31:14
10	Jeviczki Jane	636	C	2025-11-25 00:37:41

#	User	Length	Language	Date
1	Anthony Ye	333	C#	2023-11-12 19:16:05
2	Esty Crow	344	C#	2023-11-11 16:30:00
3	traxex	379	C#	2024-05-09 12:26:47
4	Գոռ Բաղդասարյան	653	C#	2024-12-11 08:33:20
5	tony shi	748	C#	2023-09-15 04:53:46
6	Michael Damsgaard	789	C#	2024-11-19 18:46:34
7	Filip Karlsson	1156	C#	2024-11-09 12:28:43
8	Kayla Moorcroft	2899	C#	2023-06-21 13:35:53

#	User	Length	Language	Date
1	Tyler Fernando	191	C++	2023-06-21 04:08:43
2	Lee Zheng Han	204	C++	2022-12-05 05:53:03
3	Samuel Tan	211	C++	2022-12-06 15:56:30
4	人外沙耶	245	C++	2023-01-16 00:42:58
5	Jordan A Hopkins	278	C++	2023-07-24 19:51:54
6	Hyunjun Lee	282	C++	2023-05-05 04:50:34
7	Ahmad Abdulaal	304	C++	2023-03-19 10:29:42
8	sngr	324	C++	2023-09-13 13:21:28
9	Dmitry Lyubshin	341	C++	2023-04-04 12:59:52
10	Nicholas Jimmy Alden	347	C++	2022-12-06 07:46:10

#	User	Length	Language	Date
1	Peter Berndt Fuchs	910	F#	2022-11-01 14:12:39

#	User	Length	Language	Date
1	Ian Howell	650	Go	2023-05-25 20:37:16
2	Thomas	719	Go	2024-01-04 23:46:55
3	Ronas Jacob Coban Olsen	761	Go	2024-10-11 17:38:31
4	Norbert Voelker	817	Go	2022-09-24 22:50:16

#	User	Length	Language	Date
1	Jan Hrček	163	Haskell	2024-12-18 07:22:06
2	Charley Sheaffer	317	Haskell	2023-11-03 04:59:08
3	Henrik Olsen Eide	473	Haskell	2023-09-14 17:44:53
4	Brent Yorgey	479	Haskell	2022-11-23 23:08:27
5	Simon Paege	625	Haskell	2023-11-28 21:58:55
6	Ng Tek In	918	Haskell	2023-09-01 03:09:15
7	Brian Hwang	1523	Haskell	2023-02-26 22:52:01
8	Steinar Simonnes	9687	Haskell	2024-02-14 10:56:03

#	User	Length	Language	Date
1	Martha E.	435	Java	2024-11-30 06:28:38
2	Ian Steiner	478	Java	2024-07-22 19:56:18
3	Khang Luu Minh	547	Java	2023-11-07 21:23:25
4	Nhan Le Trong	547	Java	2023-11-28 20:18:11
5	Nguyen Nguyen Hoang	575	Java	2023-11-28 20:46:03
6	Mark van Helvoort	581	Java	2024-09-24 11:42:43
7	Vương Quốc Ấn	588	Java	2023-11-04 20:50:36
8	Lars Karlqvist	604	Java	2022-11-29 17:56:41
9	Nguyen Phu Khang	636	Java	2023-11-08 01:55:48
10	Mary Jane Pack	655	Java	2023-11-02 14:02:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	131	JavaScript (SpiderMonkey)	2024-07-05 23:59:36
2	Bjørn Chr. Soltvedt	371	JavaScript (SpiderMonkey)	2022-07-04 13:36:04
3	Christian Pilegaard Cederquist	393	JavaScript (SpiderMonkey)	2023-01-11 10:21:35

#	User	Length	Language	Date
1	Timothy Gaede	320	Julia	2024-05-11 06:54:09

#	User	Length	Language	Date
1	jonas lølanl	276	Kotlin	2024-02-15 20:54:55
2	Karl Johan Heimark	300	Kotlin	2024-02-15 20:53:31
3	Adam Rankin	460	Kotlin	2023-11-19 04:30:58
4	Emil Wihlander	625	Kotlin	2023-07-27 13:53:19
5	Sam Keyser	632	Kotlin	2022-08-01 04:03:40
6	Martijn Muijsers	994	Kotlin	2024-05-31 14:57:50

#	User	Length	Language	Date
1	Shinji Koshida	272	Lua	2025-04-10 08:53:16

#	User	Length	Language	Date
1	David Connolly	505	Pascal	2025-09-08 16:29:27

#	User	Length	Language	Date
1	Renate	406	PHP	2023-08-13 00:07:47
2	Victor Santos	653	PHP	2024-04-19 20:00:14
3	Andre Wahyudi	1236	PHP	2023-03-14 10:47:55

#	User	Length	Language	Date
1	Hakan Kjellerstrand	355	Prolog	2023-03-07 09:40:14

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	325	Python 2	2023-02-15 08:08:00

#	User	Length	Language	Date
1	Guk Yi Siong	60	Python 3	2022-11-15 07:43:17
2	Brandon Zhang	71	Python 3	2023-03-16 02:50:48
3	Martin Handest	76	Python 3	2023-12-29 14:56:11
4	Hidden user	79	Python 3	2023-01-05 19:30:44
5	Thomas Draper	90	Python 3	2022-07-24 01:31:06
6	Yuxing Chen	95	Python 3	2023-09-11 00:26:43
7	Teikn Smith	99	Python 3	2022-07-15 03:08:09
8	Suus Brommer	101	Python 3	2023-11-07 16:05:51
9	Jakob Fredby	112	Python 3	2025-08-09 19:34:07
10	Kaaden RumanCam	115	Python 3	2023-09-05 19:19:19

#	User	Length	Language	Date
1	Thomas Feld	48	Ruby	2022-12-19 15:39:28
2	Miorel Palii	209	Ruby	2023-01-07 07:15:04

#	User	Length	Language	Date
1	David Aldenbro	153	Rust	2023-09-22 16:29:59
2	Pankajkumar Patro	394	Rust	2024-09-23 15:11:46
3	David Rasch	496	Rust	2022-10-09 16:00:06
4	Vincent Lagerros	521	Rust	2025-02-01 23:41:02
5	Isak Jägberg	631	Rust	2024-10-23 13:20:56
6	Andrea Cattaneo	707	Rust	2024-04-06 18:21:58
7	Bas Dirks	873	Rust	2022-11-21 20:42:09
8	Jason Hooper	1048	Rust	2022-07-05 02:02:37
9	Eric Pinter	1059	Rust	2023-02-23 13:42:12
10	April Clark	18365	Rust	2023-10-23 03:58:29

#	User	Length	Language	Date
1	KatSch	658	Zig	2024-11-18 15:40:22

Solution running time distribution