Problem A
Snapper Chain (Hard)

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Problem statistics

Submissions	2020
Accepted submissions	1071
Submission ratio	53.02%
Authors	938
Accepted authors	878
Author ratio	93.60%

#	User	Runtime	Date
1	Fredrik Lygre Bergesen	0.04 s	2019-04-11 22:10:20
2	Henrik Hallbert	0.04 s	2022-01-13 08:46:12
3	Mustafa Dinler	0.05 s	2016-07-07 00:23:00
4	Klas af Geijerstam	0.05 s	2017-05-04 16:50:30
5	Pontus Eriksson	0.05 s	2017-07-17 20:17:58
6	Doug Goodman	0.05 s	2018-05-11 22:47:13
7	Jonathan Ibrahim	0.05 s	2020-12-08 12:27:48
8	Mads Storm Hansen	0.06 s	2015-07-19 19:38:13
9	Nils Lenart	0.06 s	2020-03-20 14:29:33
10	Mikael Lundström	0.07 s	2021-06-14 11:55:32

#	User	Runtime	Date
1	Hidden user	0.03 s	2019-07-22 07:24:45
2	David Cawthon	0.05 s	2020-11-27 23:40:58

#	User	Runtime	Date
1	Krzysztof Gibuła	0.04 s	2019-01-20 13:32:07
2	Norbert Voelker	0.11 s	2021-06-16 23:16:37
3	Ian Howell	0.18 s	2019-03-26 22:05:09

#	User	Runtime	Date
1	Jan Hrček	0.01 s	2021-04-08 13:15:58
2	Chase Hinesman	0.04 s	2018-05-11 04:30:55
3	Hidden user	0.04 s	2019-10-26 16:30:42
4	Juan Miguel Vilar	0.04 s	2020-10-21 17:45:01
5	Sergio Martín Sempere	0.04 s	2020-10-26 19:28:20
6	Johan Meier	0.05 s	2016-12-30 21:53:51
7	Brent Yorgey	0.05 s	2017-11-26 07:52:56
8	Qi Ji	0.05 s	2018-07-06 17:41:10
9	Andrés Marzal Varó	0.05 s	2020-10-26 14:44:26

#	User	Runtime	Date
1	William Fiset	0.08 s	2016-07-11 03:10:16
2	Jan Štola	0.09 s	2015-05-12 15:29:19
3	Kristoffer Borgstrøm	0.10 s	2021-01-19 21:48:40
4	Paul Boddington	0.11 s	2016-05-02 16:42:54
5	Jimmy Mårdell	0.12 s	2015-01-03 14:38:22
6	Erik Nyström	0.12 s	2016-03-29 16:37:08
7	Martijn Muijsers	0.12 s	2016-10-12 23:18:18
8	Hidden user	0.12 s	2016-12-02 23:08:19
9	Nguyệt Nguyễn	0.12 s	2016-12-16 17:05:06
10	Wu Zhen Rong	0.12 s	2018-07-07 11:43:47

#	User	Runtime	Date
1	Khin Nyunt	0.61 s	2021-12-01 15:38:16

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.02 s	2016-08-03 12:27:40

#	User	Runtime	Date
1	Johnny Baloney	0.22 s	2022-01-07 01:34:16
2	Hidden user	0.24 s	2020-01-10 00:21:29
3	Sergey Jakobsen	0.44 s	2021-07-28 02:40:47
4	Adam Koprowski	0.46 s	2020-08-21 09:51:47
5	Colin Gay	0.49 s	2019-05-25 20:02:29
6	Neil Harmon	0.49 s	2019-07-29 10:30:59
7	Troy Warmboe	0.50 s	2020-02-20 05:07:29

#	User	Runtime	Date
1	Silvena Lam	0.03 s	2016-06-06 16:49:27

#	User	Runtime	Date
1	Andriy Zyevakov	0.17 s	2016-11-23 18:05:26

#	User	Runtime	Date
1	Siri Dovner	0.05 s	2016-10-15 14:10:33
2	Lukas Polacek	0.06 s	2014-11-24 16:01:37
3	David Bundgaard	0.06 s	2016-02-07 17:56:58
4	Alvaro Silvino	0.06 s	2016-03-29 00:24:43
5	James Lawson	0.06 s	2019-03-01 14:06:37
6	Ocram Esah	0.06 s	2022-04-12 17:14:41
7	Christofer Ohlsson	0.07 s	2015-05-03 09:20:19
8	Nick Wu	0.07 s	2015-10-07 22:48:38
9	Frederik Højholt	0.07 s	2015-12-22 16:34:12
10	Hermon Mulat	0.07 s	2016-11-09 15:28:56

#	User	Runtime	Date
1	Josh Coward	0.03 s	2019-11-20 21:16:00
2	Wayne	0.04 s	2016-02-15 16:50:00
3	Tore Norderud	0.04 s	2016-04-20 02:31:09
4	Hidden user	0.04 s	2016-08-20 17:34:30
5	Josenildo Silva	0.04 s	2016-11-15 16:47:15
6	Ram Basnet	0.04 s	2017-05-18 18:32:19
7	Herman Appelgren	0.04 s	2017-12-23 00:42:41
8	Wyatt Praharenka	0.04 s	2018-01-12 09:49:24
9	Hidden user	0.04 s	2018-04-19 11:48:36
10	Andri Rafn	0.04 s	2018-05-10 18:30:45

#	User	Runtime	Date
1	Taiju Yamada	0.04 s	2016-05-20 13:54:03
2	Erik Rydbert	0.04 s	2016-08-09 10:23:50
3	Casper Christensen	0.05 s	2016-03-31 14:58:04
4	Adam Hellberg	0.06 s	2019-09-26 11:48:27
5	Bastien Le Gloannec	0.06 s	2019-10-14 01:34:17

#	User	Runtime	Date
1	Pahlevi Fikri Auliya	0.00 s	2020-10-28 23:05:03
2	Artur Khuziakhmetov	0.01 s	2022-08-09 15:25:15
3	Alessio Marchetti	0.01 s	2022-11-27 18:14:33
4	Eric Pinter	0.02 s	2021-06-27 18:34:22
5	Bas Dirks	0.02 s	2022-01-09 10:38:48

#	User	Length	Date
1	Dan Rubery	244	2015-04-11 17:11:49
2	Wayne	254	2016-02-15 17:26:41
3	Nguyen Dang Hai	269	2016-05-03 04:37:14
4	Leslie Yip	348	2022-10-09 14:42:16
5	David Kum	364	2017-05-03 07:58:45
6	Samuel Wrååk	366	2016-11-28 19:14:59
7	Sambit Palit	379	2020-10-01 00:46:28
8	Andrew Roberts	383	2017-10-07 01:19:35
9	Victor Carrillo	394	2019-10-25 07:48:52
10	Víctor Ramón Carrillo Quintero	396	2019-04-07 03:11:09

#	User	Length	Date
1	Pontus Eriksson	433	2017-07-17 20:17:58
2	Klas af Geijerstam	530	2017-05-04 16:50:30
3	Doug Goodman	731	2018-05-11 22:47:13
4	Mustafa Dinler	918	2016-07-07 00:23:00
5	Henrik Hallbert	929	2022-01-13 08:46:12
6	Fredrik Lygre Bergesen	1045	2019-04-11 22:10:20
7	Mads Storm Hansen	1155	2015-07-19 19:38:13
8	Mikael Lundström	3307	2021-06-14 11:55:32
9	Jonathan Ibrahim	3683	2020-12-08 12:27:48
10	Nils Lenart	4080	2020-03-20 14:29:33

#	User	Length	Date
1	Herman Karlsson	218	2015-11-02 21:46:02
2	Ryan Chew	221	2019-07-29 12:07:11
3	William Gan	222	2017-02-23 14:20:49
4	David Wärn	226	2015-02-17 17:50:35
5	Leonardo Blanger	227	2020-10-03 23:59:58
6	Matthew Joseph Schallenkamp	228	2018-10-03 03:56:51
7	Syx Pek	230	2016-01-28 18:09:55
8	Way Tan	233	2018-12-05 19:31:15
9	人外沙耶	236	2020-11-17 08:46:47
10	Hamza Hasbi	241	2017-07-22 14:06:53

#	User	Length	Date
1	Hidden user	242	2019-07-22 07:18:37
2	David Cawthon	458	2020-11-27 23:40:58

#	User	Length	Date
1	Ian Howell	313	2019-03-26 22:05:09
2	Krzysztof Gibuła	589	2019-01-20 13:32:07
3	Norbert Voelker	2292	2021-06-16 23:16:37

#	User	Length	Date
1	Chase Hinesman	240	2018-05-11 04:30:55
2	Brent Yorgey	389	2017-11-26 07:52:56
3	Qi Ji	413	2018-07-06 17:41:10
4	Johan Meier	458	2016-12-30 21:53:51
5	Juan Miguel Vilar	471	2020-10-21 17:45:01
6	Andrés Marzal Varó	695	2020-10-26 14:44:26
7	Jan Hrček	722	2021-04-08 13:15:58
8	Sergio Martín Sempere	738	2020-10-26 19:28:20
9	Hidden user	7187	2019-10-26 16:30:42

#	User	Length	Date
1	Ada Clevinger	372	2018-06-07 03:44:58
2	Marcus Der	379	2020-11-02 06:07:32
3	Thailsson Clementino	385	2020-12-28 18:44:50
4	Orio Wu	414	2015-10-17 07:31:05
5	Nils Olsson	416	2021-04-06 12:04:57
6	Luke Craig	417	2016-02-17 23:06:08
7	Zach Westover	420	2019-01-30 09:55:56
8	Caeden Whitaker	424	2020-10-18 05:22:57
9	Daniel West	424	2018-04-01 09:56:09
10	Wang Zhi Jian	428	2018-08-16 12:32:40

#	User	Length	Date
1	Khin Nyunt	762	2021-12-01 15:38:16

#	User	Length	Date
1	Bjørn Chr. Soltvedt	220	2016-08-03 12:27:40

#	User	Length	Date
1	Sergey Jakobsen	253	2021-07-28 02:40:47
2	Adam Koprowski	357	2020-08-21 09:51:47
3	Troy Warmboe	384	2020-02-20 05:07:29
4	Colin Gay	392	2019-05-25 20:02:29
5	Johnny Baloney	727	2022-01-07 01:34:16
6	Neil Harmon	750	2019-07-29 10:30:59
7	Hidden user	1220	2020-01-10 00:21:29

#	User	Length	Date
1	Silvena Lam	609	2016-06-06 16:49:27

#	User	Length	Date
1	Andriy Zyevakov	1502	2016-11-23 18:05:26

#	User	Length	Date
1	Thomas Feld	131	2019-09-12 11:35:22
2	Erik Odenman	149	2015-05-15 02:25:22
3	Jesper Öqvist	175	2018-10-28 16:20:32
4	Izzati Al Vandiar	176	2015-11-09 03:27:43
5	Andreas Björklund	189	2019-03-13 19:43:03
6	Guan Yang Ze	190	2019-09-06 16:27:07
7	Justin Su	191	2017-09-24 22:17:47
8	Paulo Bu	192	2015-03-30 15:58:16
9	Johan Lyts	213	2020-01-19 15:20:00
10	Lim Hong Hui Eugene	232	2019-04-26 09:29:30

#	User	Length	Date
1	Hidden user	135	2021-06-10 12:49:21
2	Thomas Draper	136	2022-10-14 04:12:54
3	Yong	140	2022-10-28 23:55:11
4	Thibault Raffaillac	142	2020-02-18 21:23:33
5	Oskar Haarklou Veileborg	144	2020-03-10 08:30:04
6	Theo Coyne Morgan	146	2019-04-08 00:38:01
7	David Ludwig	148	2017-12-09 07:53:19
8	Anderson Palmeira	149	2018-05-25 21:55:57
9	Ainun Najib	151	2020-09-23 04:10:06
10	Leo Li	153	2018-05-14 13:36:51

#	User	Length	Date
1	Taiju Yamada	115	2016-05-20 13:54:03
2	Erik Rydbert	186	2016-08-09 10:23:50
3	Adam Hellberg	201	2019-09-26 11:48:27
4	Casper Christensen	202	2016-03-31 14:58:04
5	Bastien Le Gloannec	269	2019-10-14 01:34:17

#	User	Length	Date
1	Bas Dirks	481	2022-01-09 10:38:48
2	Artur Khuziakhmetov	592	2022-08-09 15:25:15
3	Eric Pinter	947	2021-06-27 18:34:22
4	Alessio Marchetti	1178	2022-11-27 18:14:33
5	Pahlevi Fikri Auliya	1768	2020-10-28 23:05:03

Solution running time distribution