Problem L
Saving Daylight — Problem Statistics

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Submissions	3886
Accepted submissions	1993
Submission ratio	51.29%
Authors	1958
Accepted authors	1773
Author ratio	90.55%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-08-18 15:11:55

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-04-07 19:59:06
2	Mads Storm Hansen	0.02 s	C#	2015-07-18 10:19:34
3	Jonas S	0.02 s	C#	2015-08-02 19:13:54
4	Taner Yavuz	0.02 s	C#	2015-09-24 01:25:41
5	Jens Mossig	0.02 s	C#	2015-10-22 17:29:56
6	Yuwono Bangun Nagoro	0.02 s	C#	2016-01-13 08:12:13
7	Hidden user	0.02 s	C#	2016-02-11 10:47:54
8	Khin Nyunt	0.02 s	C#	2016-04-20 06:06:47
9	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-05-09 18:33:12
10	Robert Low	0.02 s	C#	2016-07-18 13:47:09

#	User	Runtime	Language	Date
1	David Cawthon	0.03 s	Common Lisp	2019-05-11 02:58:12

#	User	Runtime	Language	Date
1	Thomas McEwen	0.08 s	Dart	2025-01-16 21:53:45

#	User	Runtime	Language	Date
1	Ed Brook	0.00 s	Go	2024-12-04 22:06:15
2	Lauritz Baess-Lehmann	0.02 s	Go	2023-02-03 14:17:57
3	Norbert Voelker	0.08 s	Go	2021-05-10 23:55:26
4	Krzysztof Gibuła	0.08 s	Go	2022-03-30 00:31:20
5	Ainun Nazieb	0.13 s	Go	2020-09-29 20:23:13

#	User	Runtime	Language	Date
1	Li Jun	0.00 s	Haskell	2023-06-30 17:33:53
2	Hidden user	0.01 s	Haskell	2015-01-20 08:07:21
3	David Wärn	0.01 s	Haskell	2015-05-31 15:20:27
4	Lars Tveito	0.01 s	Haskell	2015-07-30 16:48:06
5	Christian Leipe	0.01 s	Haskell	2015-12-04 21:37:42
6	Matthew Johnson	0.01 s	Haskell	2017-02-04 18:14:50
7	Sebastian Callh	0.01 s	Haskell	2017-03-13 13:25:00
8	John Grzechowiak	0.01 s	Haskell	2017-03-24 16:28:45
9	Abel Martin	0.01 s	Haskell	2017-03-27 00:07:00
10	César Antonio Carvajal de la Haza	0.01 s	Haskell	2017-03-31 02:15:10

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.07 s	Java	2021-12-11 18:45:27
2	Finn Lidbetter	0.08 s	Java	2016-07-31 19:59:27
3	Martijn Muijsers	0.08 s	Java	2016-09-25 21:38:21
4	Aked Hindi	0.09 s	Java	2015-03-17 01:53:43
5	Łukasz Antkowiak	0.09 s	Java	2015-09-13 23:10:56
6	Pål Forsberg	0.09 s	Java	2015-10-07 15:33:39
7	Michel Langeveld	0.09 s	Java	2015-12-09 20:22:24
8	Eskil Jarlskog	0.09 s	Java	2016-01-28 09:53:36
9	Hidden user	0.09 s	Java	2016-02-04 18:37:31
10	Hidden user	0.09 s	Java	2016-05-16 16:14:06

#	User	Runtime	Language	Date
1	Henry Nguyen	0.06 s	JavaScript (Node.js)	2024-01-26 02:04:16
2	Sander Hellesø	0.07 s	JavaScript (Node.js)	2019-04-25 02:04:11
3	TEJA KUSUMA	0.07 s	JavaScript (Node.js)	2024-03-10 09:32:12
4	Thomas Kobak	0.14 s	JavaScript (Node.js)	2019-02-02 00:24:33
5	Jakob Staugaard	0.42 s	JavaScript (Node.js)	2019-09-26 22:06:33
6	Domonic Tafoya	0.43 s	JavaScript (Node.js)	2020-03-02 22:01:34
7	Chris Wong	0.43 s	JavaScript (Node.js)	2022-01-17 13:48:29
8	Siddharth Adusumelli	0.44 s	JavaScript (Node.js)	2021-09-08 20:06:22
9	Hidden user	0.44 s	JavaScript (Node.js)	2022-01-27 11:59:14
10	Khin Nyunt	0.45 s	JavaScript (Node.js)	2021-11-29 14:17:42

#	User	Runtime	Language	Date
1	Aked Hindi	0.01 s	JavaScript (SpiderMonkey)	2015-03-17 18:50:29
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-25 20:03:11
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-29 01:43:06
4	Michael Laszlo	0.03 s	JavaScript (SpiderMonkey)	2016-09-29 05:06:45
5	Ionel Hindorean	0.03 s	JavaScript (SpiderMonkey)	2016-12-02 12:40:39
6	Dilawar Mahmood	0.03 s	JavaScript (SpiderMonkey)	2018-02-02 18:44:36
7	Leonard Kalema	0.03 s	JavaScript (SpiderMonkey)	2018-05-18 09:29:11
8	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-11-06 20:05:44
9	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-23 02:16:18
10	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-08-22 22:44:06

#	User	Runtime	Language	Date
1	Timothy Gaede	0.59 s	Julia	2024-05-03 05:41:06

#	User	Runtime	Language	Date
1	Ashish Singh	0.19 s	Kotlin	2023-01-30 15:17:59
2	Dayan Ruben Gonzalez	0.24 s	Kotlin	2020-09-29 23:16:43
3	Neil Harmon	0.25 s	Kotlin	2019-05-23 11:47:26
4	Adam Rankin	0.25 s	Kotlin	2023-05-05 05:05:44
5	Mike Wilkes	0.26 s	Kotlin	2018-02-04 03:53:07
6	James WIlliams	0.26 s	Kotlin	2020-09-17 23:51:02
7	Troy Warmboe	0.28 s	Kotlin	2023-04-13 23:26:42
8	Sergey Jakobsen	0.29 s	Kotlin	2022-02-10 22:13:58
9	Jahid Hasan Imon	0.30 s	Kotlin	2020-06-06 19:56:55
10	Zaw Myat	0.30 s	Kotlin	2024-01-14 01:53:22

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-09 08:40:17
2	David Connolly	0.00 s	Pascal	2017-08-18 18:19:35

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-11-25 19:01:06
2	Silvena Lam	0.01 s	PHP	2018-03-01 19:41:57
3	Susanne Ragnemalm	0.01 s	PHP	2018-04-11 13:53:41
4	Connor Billings	0.02 s	PHP	2020-08-28 23:48:55
5	Erik Boström	0.02 s	PHP	2022-05-08 22:09:15

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.03 s	Prolog	2023-02-19 19:04:18
2	Hadi Qovaizi	0.04 s	Prolog	2016-05-01 17:27:10
3	Andriy Zyevakov	0.04 s	Prolog	2016-12-06 11:16:40

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2016-09-27 10:21:08
2	Erik Sillén	0.03 s	Python 2	2016-10-18 15:38:07
3	Hidden user	0.03 s	Python 2	2018-01-03 21:24:59
4	João Pedro Alvito	0.03 s	Python 2	2018-03-31 22:08:25
5	Hidden user	0.04 s	Python 2	2015-02-28 21:58:48
6	Christofer Ohlsson	0.04 s	Python 2	2015-04-05 23:09:51
7	Arne Tobias Malkenes Ødegaard	0.04 s	Python 2	2015-06-21 23:04:34
8	Asger Hautop Drewsen	0.04 s	Python 2	2015-11-03 22:02:39
9	Urban Pettersson	0.04 s	Python 2	2016-01-21 21:02:03
10	Denis Godunov	0.04 s	Python 2	2016-03-01 20:46:24

#	User	Runtime	Language	Date
1	Saša Levstik	0.02 s	Python 3	2015-05-22 09:25:23
2	James Elías Sigurðarson	0.02 s	Python 3	2015-06-11 22:46:31
3	Johannes Agestam	0.02 s	Python 3	2015-06-15 19:22:55
4	Arnar Leifsson	0.02 s	Python 3	2015-07-22 16:30:54
5	Martin Stensgård	0.02 s	Python 3	2015-07-25 04:50:14
6	Baldur Tryggvason	0.02 s	Python 3	2015-07-31 21:15:20
7	Ana Drenik	0.02 s	Python 3	2015-08-14 16:33:16
8	Ziga Staresinic	0.02 s	Python 3	2015-09-09 16:10:05
9	Petra Marc	0.02 s	Python 3	2015-09-15 12:42:42
10	Hidden user	0.02 s	Python 3	2015-10-16 15:11:12

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-04 15:58:43
2	Naoki Mizuno	0.03 s	Ruby	2016-03-27 21:53:55
3	Lasse Berglund	0.03 s	Ruby	2016-04-01 12:45:38
4	Erik Rydbert	0.03 s	Ruby	2016-08-04 12:26:51
5	Clifford Owino	0.04 s	Ruby	2017-05-25 15:04:15
6	Hidden user	0.05 s	Ruby	2019-05-31 20:47:18
7	Davi Guimarães Leite	0.05 s	Ruby	2019-05-31 20:47:40
8	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-09-26 23:35:38
9	Emil Kneutgen	0.05 s	Ruby	2022-01-21 19:24:53
10	Thomas Feld	0.06 s	Ruby	2023-08-18 15:00:26

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2020-10-19 12:59:25
2	Isak Jägberg	0.00 s	Rust	2020-11-12 21:57:28
3	Bas Dirks	0.00 s	Rust	2022-01-06 16:42:56
4	Leslie Yip	0.00 s	Rust	2022-11-19 04:33:18
5	Freek van Keulen	0.00 s	Rust	2022-11-27 09:18:06
6	Akemi Izuko	0.00 s	Rust	2023-09-06 23:26:47
7	Chris Seager	0.00 s	Rust	2025-01-22 20:59:30
8	Mileta Mitrovic	0.01 s	Rust	2022-01-13 20:56:29
9	Brandon Hu	0.80 s	Rust	2024-01-26 03:13:09

#	User	Length	Language	Date
1	Thomas Feld	76	Bash	2023-08-18 15:17:53

#	User	Length	Language	Date
1	Andros Clarence Chen	349	C	2020-12-18 07:00:55
2	Sujan Roy	358	C	2020-05-04 07:54:28
3	Yap Yi Juinn Jacelyn	378	C	2016-12-16 15:03:28
4	Hidden user	380	C	2018-09-29 12:02:42
5	Anton Haglund	399	C	2016-12-04 21:20:48
6	Johan Öhlin	423	C	2017-09-20 12:56:49
7	Andrew Roberts	426	C	2017-08-14 21:56:07
8	Ravi Teja	444	C	2017-01-19 11:00:06
9	Raviteja Danakonda	444	C	2018-04-18 10:33:45
10	David Ludwig	451	C	2017-11-16 17:18:39

#	User	Length	Language	Date
1	Göran Andersson	564	C#	2022-05-18 14:02:46
2	Þorsteinn Þorvaldsson	589	C#	2017-05-29 20:13:35
3	Michael Damsgaard	652	C#	2025-01-04 13:36:16
4	Yuwono Bangun Nagoro	659	C#	2016-01-13 08:12:13
5	Hidden user	659	C#	2016-09-30 19:54:00
6	Niklas Huss	662	C#	2015-09-07 20:25:47
7	Thomas Norris	696	C#	2019-11-25 16:23:31
8	Kunwei Zhang	736	C#	2018-06-15 15:12:07
9	Klas af Geijerstam	739	C#	2017-06-04 22:13:42
10	Khin Nyunt	852	C#	2016-04-20 06:06:47

#	User	Length	Language	Date
1	Herman Karlsson	257	C++	2015-05-18 00:49:50
2	Jan Livens	276	C++	2017-03-19 16:20:01
3	Antonio Molina Lovett	278	C++	2016-08-07 07:21:27
4	Jacek Ostrowski	295	C++	2017-11-11 21:55:44
5	人外沙耶	296	C++	2020-11-05 11:02:44
6	William Gan	299	C++	2017-08-13 03:52:05
7	Budi Arbenta	304	C++	2016-11-22 08:08:24
8	Nguyen Phuoc Bao Hoang	313	C++	2016-03-19 22:36:04
9	손상준	316	C++	2015-10-21 01:35:02
10	Le Heng Chieu	324	C++	2017-08-10 10:59:18

#	User	Length	Language	Date
1	David Cawthon	886	Common Lisp	2019-05-11 02:58:12

#	User	Length	Language	Date
1	Thomas McEwen	811	Dart	2025-01-16 21:53:45

#	User	Length	Language	Date
1	Ainun Nazieb	589	Go	2020-09-29 20:23:13
2	Ed Brook	592	Go	2024-12-04 22:06:15
3	Krzysztof Gibuła	632	Go	2022-03-30 00:31:20
4	Norbert Voelker	909	Go	2021-05-10 23:55:26
5	Lauritz Baess-Lehmann	1515	Go	2023-02-03 14:17:57

#	User	Length	Language	Date
1	David Wärn	341	Haskell	2015-05-31 15:20:27
2	Li Jun	555	Haskell	2023-06-30 17:33:53
3	Lars Tveito	635	Haskell	2015-07-30 16:48:06
4	Håkon Flatval	671	Haskell	2018-08-30 17:40:52
5	Brent Yorgey	679	Haskell	2017-10-13 03:41:58
6	Jan Hrček	745	Haskell	2021-03-24 15:35:19
7	Hidden user	764	Haskell	2025-02-14 14:51:09
8	Matthew Johnson	818	Haskell	2017-02-04 18:14:50
9	Abel Martin	842	Haskell	2017-03-27 00:07:00
10	Christian Leipe	848	Haskell	2015-12-04 21:37:42

#	User	Length	Language	Date
1	Qritel Abdelilah	550	Java	2017-05-08 19:16:35
2	Ayoub El Yaquine	568	Java	2016-12-30 19:44:13
3	Hidden user	587	Java	2016-11-26 21:12:33
4	Sam Huynh	592	Java	2021-10-06 08:31:38
5	Chad Waters	597	Java	2024-01-17 23:27:19
6	Kevin Chevalier	599	Java	2017-08-08 04:01:35
7	Kalin Dobrev	603	Java	2020-07-08 17:51:06
8	Jack Le	613	Java	2021-05-11 17:58:07
9	Darrin Wiley	614	Java	2016-01-07 00:51:17
10	David Koval	616	Java	2016-07-07 04:26:39

#	User	Length	Language	Date
1	Siddharth Adusumelli	596	JavaScript (Node.js)	2021-09-08 20:06:22
2	Hidden user	683	JavaScript (Node.js)	2022-01-27 11:59:14
3	Jakob Staugaard	900	JavaScript (Node.js)	2019-09-26 22:06:33
4	Thomas Kobak	920	JavaScript (Node.js)	2019-02-02 00:24:33
5	TEJA KUSUMA	923	JavaScript (Node.js)	2024-03-10 09:32:12
6	Henry Nguyen	926	JavaScript (Node.js)	2024-01-26 02:04:16
7	Khin Nyunt	956	JavaScript (Node.js)	2021-11-29 14:17:42
8	Chris Wong	989	JavaScript (Node.js)	2022-01-17 13:48:29
9	Sander Hellesø	1011	JavaScript (Node.js)	2019-04-25 02:04:11
10	Domonic Tafoya	1625	JavaScript (Node.js)	2020-03-02 22:01:34

#	User	Length	Language	Date
1	Jimmy Gustafsson	156	JavaScript (SpiderMonkey)	2024-08-22 22:44:06
2	Michael Laszlo	348	JavaScript (SpiderMonkey)	2016-09-29 05:06:45
3	Peter Kedemo	356	JavaScript (SpiderMonkey)	2015-12-25 20:03:11
4	Christian Cederquist	375	JavaScript (SpiderMonkey)	2023-01-23 02:16:18
5	Peter Menyes	387	JavaScript (SpiderMonkey)	2021-11-06 20:05:44
6	Bjørn Chr. Soltvedt	388	JavaScript (SpiderMonkey)	2016-01-29 01:43:06
7	Aked Hindi	399	JavaScript (SpiderMonkey)	2015-03-17 22:27:50
8	Dilawar Mahmood	1053	JavaScript (SpiderMonkey)	2018-02-02 18:44:36
9	Ionel Hindorean	1478	JavaScript (SpiderMonkey)	2016-12-02 12:40:39
10	Leonard Kalema	1479	JavaScript (SpiderMonkey)	2018-05-18 09:29:11

#	User	Length	Language	Date
1	Timothy Gaede	1048	Julia	2024-05-03 05:41:06

#	User	Length	Language	Date
1	Jahid Hasan Imon	402	Kotlin	2020-06-06 19:56:55
2	Stephen Atwood	420	Kotlin	2024-09-03 18:26:05
3	Sergey Jakobsen	522	Kotlin	2022-02-10 22:13:58
4	Troy Warmboe	551	Kotlin	2023-04-13 23:26:42
5	Jacob Huebner	626	Kotlin	2020-04-19 05:38:29
6	Einar Kristiansen	628	Kotlin	2022-02-24 10:51:36
7	Adam Rankin	661	Kotlin	2023-05-05 05:05:44
8	Dayan Ruben Gonzalez	711	Kotlin	2020-09-29 23:16:43
9	Ashish Singh	798	Kotlin	2023-01-30 15:17:59
10	Johnny Baloney	865	Kotlin	2021-12-05 21:04:20

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1343	Pascal	2017-08-09 08:40:17
2	David Connolly	1527	Pascal	2017-08-18 18:19:35

#	User	Length	Language	Date
1	Steven D. Wilson	352	PHP	2016-11-25 19:01:06
2	Connor Billings	408	PHP	2020-08-28 23:48:55
3	Erik Boström	462	PHP	2022-05-08 22:09:15
4	Susanne Ragnemalm	594	PHP	2018-04-11 13:53:41
5	Silvena Lam	732	PHP	2018-03-01 19:59:34

#	User	Length	Language	Date
1	Hakan Kjellerstrand	468	Prolog	2023-02-19 19:04:18
2	Andriy Zyevakov	623	Prolog	2016-12-06 11:16:40
3	Hadi Qovaizi	17143	Prolog	2016-05-01 17:27:10

#	User	Length	Language	Date
1	Thomas Feld	191	Python 2	2019-08-29 15:11:12
2	Erik Odenman	238	Python 2	2015-05-15 01:37:51
3	Tomas Alvarez	250	Python 2	2017-05-08 14:22:09
4	Johan Wind	251	Python 2	2015-09-14 17:17:32
5	Justin Su	254	Python 2	2017-09-24 07:47:12
6	Neal Zane	262	Python 2	2016-03-16 01:28:29
7	Oskar Haarklou Veileborg	281	Python 2	2015-11-10 01:23:19
8	Frederik Højholt	292	Python 2	2015-10-28 20:22:41
9	Asger Hautop Drewsen	295	Python 2	2015-11-03 22:02:39
10	Jonas Kylling	296	Python 2	2015-05-10 10:46:21

#	User	Length	Language	Date
1	Ahmed Chamseddine	150	Python 3	2024-08-15 15:16:38
2	Hidden user	166	Python 3	2023-07-25 04:18:47
3	Timothy Baeckelant	168	Python 3	2024-06-29 18:14:54
4	Neo Wei Jun Samuel	178	Python 3	2024-08-05 15:37:07
5	Troels Bjerre Lund	208	Python 3	2021-04-26 22:12:00
6	Tai Tze Kin	210	Python 3	2024-05-06 18:50:56
7	Theo Coyne Morgan	211	Python 3	2019-04-12 18:38:57
8	Clement Oh	232	Python 3	2023-11-07 15:10:40
9	Thibault Raffaillac	241	Python 3	2020-02-02 15:13:21
10	Sergio Vieri	248	Python 3	2018-03-26 16:01:36

#	User	Length	Language	Date
1	Thomas Feld	102	Ruby	2023-08-18 15:00:26
2	Naoki Mizuno	348	Ruby	2016-03-27 21:53:55
3	Casper Christensen	386	Ruby	2016-02-04 15:58:43
4	Macdara mac an tSionnaigh	390	Ruby	2019-09-26 23:35:38
5	Gerry Hall	399	Ruby	2016-03-18 06:05:12
6	Lasse Berglund	409	Ruby	2016-04-01 12:45:38
7	Erik Rydbert	493	Ruby	2016-08-04 12:26:51
8	Hidden user	538	Ruby	2019-05-31 20:47:18
9	Davi Guimarães Leite	538	Ruby	2019-05-31 20:47:40
10	Clifford Owino	771	Ruby	2017-05-25 15:04:15

#	User	Length	Language	Date
1	David Rasch	667	Rust	2020-10-19 12:59:25
2	Freek van Keulen	836	Rust	2022-11-27 09:18:06
3	Leslie Yip	871	Rust	2022-11-19 04:33:18
4	Mileta Mitrovic	933	Rust	2022-01-13 20:56:29
5	Bas Dirks	996	Rust	2022-01-06 16:42:56
6	Chris Seager	1344	Rust	2025-01-22 20:59:30
7	Brandon Hu	1506	Rust	2024-01-26 03:13:09
8	Akemi Izuko	1703	Rust	2023-09-06 23:26:47
9	Isak Jägberg	4712	Rust	2020-11-12 21:57:28

Solution running time distribution