Problem D
Flip Five — Problem Statistics

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Submissions	4014
Accepted submissions	1822
Submission ratio	45.39%
Authors	1465
Full solves [?]	1280
Full solve Ratio	87.37%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	Bash	2024-04-14 11:18:14

#	User	Runtime	Language	Date
1	Андрей Титов	0.02 s	C#	2016-02-19 07:17:38
2	Andrzej Krajniak	0.02 s	C#	2016-11-04 22:52:14
3	Zak Stroud	0.02 s	C#	2018-09-09 00:45:51
4	Wasan Mahmoud	0.02 s	C#	2021-06-29 01:36:00
5	Wasan Mahmoud	0.02 s	C#	2021-06-30 02:27:02
6	Vibhav Ramcharan	0.02 s	C#	2022-02-17 10:58:17
7	Emil Lundberg	0.02 s	C#	2022-04-24 09:56:48
8	Ahmad Barhamje	0.02 s	C#	2022-12-01 13:20:12
9	Bas te Kolste	0.03 s	C#	2015-06-17 19:35:16
10	Tobias Engberg	0.03 s	C#	2021-07-18 19:31:15

#	User	Runtime	Language	Date
1	Poramet Makul	0.01 s	Go	2025-07-08 18:39:13
2	Saman Shahroudi	0.02 s	Go	2022-03-05 20:51:42
3	福井悠希	0.07 s	Go	2018-09-09 12:48:19
4	Laurence Liu	0.08 s	Go	2018-06-10 17:10:19
5	Norbert Voelker	0.09 s	Go	2021-09-17 22:25:26

#	User	Runtime	Language	Date
1	Mattias Aronsson Adler	0.01 s	Haskell	2018-06-08 00:18:30
2	Matthew Craven	0.01 s	Haskell	2018-09-15 19:41:01
3	Juan Miguel Vilar	0.01 s	Haskell	2020-08-01 16:29:32
4	Hidden user	0.01 s	Haskell	2022-09-02 21:38:43
5	Steinar Simonnes	0.01 s	Haskell	2024-07-11 22:54:54

#	User	Runtime	Language	Date
1	Gulshan Singh	0.05 s	Java	2014-09-28 20:13:33
2	Henrik Sandström	0.05 s	Java	2015-01-19 23:07:32
3	Petr Ryšavý	0.05 s	Java	2015-03-07 02:29:58
4	Marco Vincenzo Karaan	0.05 s	Java	2015-09-05 08:17:22
5	Jonathan Easterday	0.06 s	Java	2014-09-28 01:19:02
6	Juan Torres	0.06 s	Java	2015-03-16 23:20:03
7	Simon Xue	0.06 s	Java	2016-03-10 22:51:53
8	Martijn Muijsers	0.06 s	Java	2016-10-15 00:15:25
9	Đạt Tiến Phùng	0.06 s	Java	2016-11-11 18:06:56
10	Zach Glick	0.06 s	Java	2017-09-11 15:37:59

#	User	Runtime	Language	Date
1	福井悠希	0.08 s	JavaScript (Node.js)	2018-09-09 11:20:41
2	Hidden user	0.09 s	JavaScript (Node.js)	2021-08-03 11:15:42
3	Thatcher Healy	0.10 s	JavaScript (Node.js)	2025-10-10 17:31:05
4	Calvin Watford	0.22 s	JavaScript (Node.js)	2018-09-09 00:27:50
5	Harshada Mulye	0.41 s	JavaScript (Node.js)	2021-07-03 23:01:58
6	Phat Hoang	0.43 s	JavaScript (Node.js)	2021-08-03 12:15:06
7	Zlátko Prodán	0.60 s	JavaScript (Node.js)	2023-07-11 18:24:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-05-05 07:45:17
2	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-08-11 15:25:20
3	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-06-04 16:46:10
4	Mohamed Amr	0.05 s	JavaScript (SpiderMonkey)	2020-02-05 06:23:20
5	Zach Tschetter	0.25 s	JavaScript (SpiderMonkey)	2023-06-27 00:24:29
6	Matheus Sampaio	0.40 s	JavaScript (SpiderMonkey)	2020-02-05 17:01:02

#	User	Runtime	Language	Date
1	Timothy Gaede	0.65 s	Julia	2025-05-27 14:25:16

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2022-01-06 20:32:15
2	Jake Bounds	0.34 s	Kotlin	2024-10-17 15:13:22
3	Adam Rankin	0.45 s	Kotlin	2023-09-03 06:46:00

#	User	Runtime	Language	Date
1	Ishpreet Singh Bhasin	0.00 s	OCaml	2026-01-14 17:43:11
2	Ludovic Mignot	0.01 s	OCaml	2020-07-21 22:11:43

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-30 20:09:15

#	User	Runtime	Language	Date
1	Jonathan Denning	0.10 s	Prolog	2023-04-17 01:10:49
2	Andriy Zyevakov	0.18 s	Prolog	2019-08-09 23:10:25

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2014-09-28 03:05:59
2	Magnús Þór Benediktsson	0.03 s	Python 2	2015-05-17 18:30:57
3	Erik Odenman	0.03 s	Python 2	2015-05-21 03:27:00
4	Prajwal Cvn	0.03 s	Python 2	2015-09-05 09:35:44
5	Miguel Alfageme Sanchez	0.03 s	Python 2	2017-02-02 03:11:34
6	Hermon Mulat	0.04 s	Python 2	2018-11-20 16:40:09
7	Lars Åström	0.04 s	Python 2	2019-06-19 00:15:19
8	Andreas Björklund	0.04 s	Python 2	2020-11-22 20:25:00
9	Abdulsalam Aldahir	0.04 s	Python 2	2022-08-20 22:18:42
10	Haggai Liu	0.05 s	Python 2	2017-06-15 06:50:42

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-10-07 11:10:10
2	Christian Lindeström	0.02 s	Python 3	2016-10-04 13:13:11
3	Rick May	0.02 s	Python 3	2017-02-03 01:47:04
4	Deqing Fu	0.02 s	Python 3	2017-04-21 01:39:36
5	Jonni Westphalen	0.02 s	Python 3	2017-12-16 02:55:23
6	Arthur Tseng	0.02 s	Python 3	2018-05-18 06:38:44
7	Carl Emil Hattestad	0.02 s	Python 3	2018-11-06 01:00:31
8	Finn Merkel	0.02 s	Python 3	2019-02-22 13:33:15
9	Reijer Boodt	0.02 s	Python 3	2019-06-23 23:24:29
10	Ainun Najib	0.02 s	Python 3	2019-07-28 11:54:28

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-08-25 12:04:23
2	Ajai Nelson	0.15 s	Ruby	2022-02-19 22:36:33

#	User	Runtime	Language	Date
1	Anders Rein	0.00 s	Rust	2019-02-22 12:32:30
2	Thiago Poeiras Silva	0.00 s	Rust	2019-09-07 22:57:25
3	Dustin Ward	0.00 s	Rust	2024-01-27 23:11:07
4	Nikodemus Karlsson	0.00 s	Rust	2024-02-18 12:34:55
5	Marcus Grymmare	0.00 s	Rust	2024-08-28 11:26:34
6	Egor Kulikov	0.00 s	Rust	2025-03-18 10:32:29
7	Eric Pinter	0.01 s	Rust	2021-10-09 17:35:22
8	Bas Dirks	0.01 s	Rust	2022-06-15 15:12:47
9	James Felder	0.01 s	Rust	2025-10-10 00:22:39
10	Lily Gloudemans	0.18 s	Rust	2023-12-06 04:24:32

#	User	Length	Language	Date
1	Chenzhang Hu	890	Bash	2024-04-14 11:18:14

#	User	Length	Language	Date
1	Martin Fornhem	1115	C	2026-02-09 17:28:54
2	Fredrik Karlberg	1127	C	2023-08-18 12:48:05
3	Laurence Liu	1132	C	2018-04-21 05:54:57
4	Caeden Whitaker	1154	C	2021-09-15 01:25:16
5	Ivan Petrov	1234	C	2019-05-08 14:15:24
6	bougrine souhail	1246	C	2014-12-17 18:32:42
7	Dario Vidas	1477	C	2015-05-16 06:26:42
8	이찬욱	1578	C	2024-12-03 13:12:37
9	Yen Kaow Ng	1679	C	2015-09-07 21:06:39
10	Hidden user	1708	C	2016-08-06 12:10:18

#	User	Length	Language	Date
1	Wasan Mahmoud	1149	C#	2021-06-29 23:54:07
2	Wasan Mahmoud	1325	C#	2021-06-30 02:27:02
3	Ahmad Barhamje	1435	C#	2022-12-01 13:20:12
4	Marcus Malmberg	1748	C#	2023-05-31 02:50:46
5	Daouda Camara	1809	C#	2015-09-06 22:09:52
6	Tobias Hultqvist	1960	C#	2022-11-30 20:55:09
7	Sofia Hansson	2192	C#	2023-04-21 23:26:57
8	Sofia Hansson	2192	C#	2023-04-21 23:32:04
9	Bas te Kolste	2247	C#	2015-06-17 19:35:16
10	Tobias Engberg	2354	C#	2021-07-18 19:31:15

#	User	Length	Language	Date
1	Li Zhaoqi	444	C++	2022-12-23 00:03:44
2	William Gan	624	C++	2017-08-12 17:34:22
3	Zhongtang Luo	678	C++	2023-07-17 05:34:26
4	Kiên Nguyễn Tiến Trung	681	C++	2015-09-05 07:26:53
5	Louis Cullen	684	C++	2024-10-22 11:25:53
6	Modan Han	690	C++	2016-02-03 22:36:49
7	Leo Lee	714	C++	2026-01-27 16:35:49
8	Emmanuel Anaya	716	C++	2016-10-30 15:14:15
9	Lim An Jun	718	C++	2023-04-01 09:03:11
10	Howard Cheng	735	C++	2019-09-14 21:06:03

#	User	Length	Language	Date
1	Saman Shahroudi	1270	Go	2022-03-05 20:51:42
2	Norbert Voelker	1677	Go	2021-09-17 22:25:26
3	福井悠希	2219	Go	2018-09-09 12:48:19
4	Laurence Liu	2225	Go	2018-06-10 17:10:19
5	Poramet Makul	3147	Go	2025-07-08 18:39:13

#	User	Length	Language	Date
1	Steinar Simonnes	1204	Haskell	2024-07-11 22:54:54
2	Juan Miguel Vilar	1214	Haskell	2020-08-01 16:29:32
3	Matthew Craven	1240	Haskell	2018-09-15 19:41:01
4	Mattias Aronsson Adler	2511	Haskell	2018-06-08 00:18:30
5	Hidden user	3292	Haskell	2022-09-02 21:53:01

#	User	Length	Language	Date
1	Shawn Hatchwell	915	Java	2018-10-13 18:59:06
2	Marco Vincenzo Karaan	941	Java	2015-09-05 08:17:22
3	Foo Chuan Kai	1104	Java	2015-09-11 04:45:01
4	Sam Huynh	1120	Java	2021-07-13 14:13:59
5	Steven Ignetti	1150	Java	2015-02-09 06:53:54
6	Eroui Abdelaziz	1173	Java	2016-10-14 21:28:38
7	Markus Bao	1176	Java	2023-10-09 03:46:39
8	Kevin Kauffman	1188	Java	2021-10-26 19:17:51
9	Eric Dand	1189	Java	2017-02-01 05:13:49
10	Joseph Komskis	1210	Java	2018-06-01 02:52:53

#	User	Length	Language	Date
1	Calvin Watford	1978	JavaScript (Node.js)	2018-09-09 00:27:50
2	Harshada Mulye	1996	JavaScript (Node.js)	2021-07-03 23:01:58
3	Phat Hoang	3170	JavaScript (Node.js)	2021-08-03 13:31:57
4	Hidden user	3509	JavaScript (Node.js)	2021-08-03 11:15:42
5	Thatcher Healy	3634	JavaScript (Node.js)	2025-10-10 17:31:05
6	Zlátko Prodán	3748	JavaScript (Node.js)	2023-07-11 18:24:28
7	福井悠希	6184	JavaScript (Node.js)	2018-09-09 11:20:41

#	User	Length	Language	Date
1	Jimmy Gustafsson	576	JavaScript (SpiderMonkey)	2022-08-21 09:53:48
2	Bjørn Chr. Soltvedt	1266	JavaScript (SpiderMonkey)	2018-05-05 07:45:17
3	Mohamed Amr	1305	JavaScript (SpiderMonkey)	2020-02-05 06:23:20
4	Zach Tschetter	1375	JavaScript (SpiderMonkey)	2023-06-27 00:24:29
5	Christian Pilegaard Cederquist	1422	JavaScript (SpiderMonkey)	2023-06-04 16:46:10
6	Matheus Sampaio	2604	JavaScript (SpiderMonkey)	2020-02-05 17:01:02

#	User	Length	Language	Date
1	Timothy Gaede	1862	Julia	2025-05-27 14:25:16

#	User	Length	Language	Date
1	Adam Rankin	1177	Kotlin	2023-09-03 06:46:00
2	Jake Bounds	1412	Kotlin	2024-10-17 15:13:22
3	Jacob Huebner	1645	Kotlin	2022-01-06 20:32:15

#	User	Length	Language	Date
1	Ishpreet Singh Bhasin	1834	OCaml	2026-01-14 17:44:44
2	Ludovic Mignot	2788	OCaml	2020-07-21 22:11:43

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1363	Pascal	2018-09-30 20:09:15

#	User	Length	Language	Date
1	Andriy Zyevakov	6488	Prolog	2019-08-09 23:10:25
2	Jonathan Denning	6532	Prolog	2023-04-17 01:10:49

#	User	Length	Language	Date
1	Thomas Feld	389	Python 2	2019-09-09 09:36:51
2	Andreas Björklund	545	Python 2	2020-11-22 20:25:00
3	Erik Odenman	690	Python 2	2015-05-21 03:27:00
4	Yang Li	721	Python 2	2018-06-04 19:36:20
5	Jason Cannon	725	Python 2	2019-12-16 22:00:52
6	Abdulsalam Aldahir	743	Python 2	2022-08-20 22:18:42
7	Lars Åström	761	Python 2	2019-06-19 00:15:19
8	Oskar Larsson	766	Python 2	2019-06-05 14:13:04
9	Hermon Mulat	772	Python 2	2018-11-20 16:40:09
10	Christofer Ohlsson	792	Python 2	2015-09-07 21:31:16

#	User	Length	Language	Date
1	Teikn Smith	211	Python 3	2024-04-04 22:47:20
2	Benjamin Z White	251	Python 3	2023-05-15 00:10:22
3	Ryan Farrell	285	Python 3	2023-08-23 17:24:40
4	Timothy White	304	Python 3	2023-03-21 01:05:42
5	Tommi Järvenpää	330	Python 3	2024-04-05 15:52:39
6	Jaydan Aladro	347	Python 3	2023-10-24 20:20:37
7	Mattéo Delabre	380	Python 3	2023-10-10 02:50:31
8	Yong Mao	381	Python 3	2023-08-01 17:33:28
9	Vincent Scala	446	Python 3	2020-02-04 13:53:33
10	Hidden user	460	Python 3	2021-12-04 00:49:50

#	User	Length	Language	Date
1	Thomas Feld	151	Ruby	2023-08-25 12:42:27
2	Ajai Nelson	928	Ruby	2022-02-19 22:36:33

#	User	Length	Language	Date
1	Thiago Poeiras Silva	835	Rust	2019-09-07 22:57:25
2	Dustin Ward	1126	Rust	2024-01-27 23:11:07
3	Bas Dirks	1566	Rust	2022-06-15 18:56:47
4	Nikodemus Karlsson	2029	Rust	2024-02-18 12:34:55
5	Anders Rein	2118	Rust	2019-02-22 12:32:30
6	Eric Pinter	3173	Rust	2021-10-09 17:35:22
7	James Felder	3196	Rust	2025-10-10 00:22:39
8	Lily Gloudemans	5322	Rust	2023-12-06 04:24:32
9	Marcus Grymmare	5876	Rust	2024-08-28 11:26:34
10	Egor Kulikov	24738	Rust	2025-03-18 10:32:29

Solution running time distribution