Problem I
Snapper Chain (Easy) — Problem Statistics

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Submissions	2016
Accepted submissions	988
Submission ratio	49.01%
Authors	915
Accepted authors	822
Author ratio	89.84%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.10 s	Bash	2024-04-16 15:21:19

#	User	Runtime	Language	Date
1	Mads Storm Hansen	0.05 s	C#	2015-07-19 17:40:18
2	Mustafa Dinler	0.05 s	C#	2016-07-07 00:22:21
3	Klas af Geijerstam	0.05 s	C#	2017-04-25 01:09:05
4	Pontus Eriksson	0.05 s	C#	2017-07-17 20:17:41
5	Liam Percy	0.05 s	C#	2018-05-11 04:39:41
6	Nils Lenart	0.06 s	C#	2020-03-20 13:33:42
7	Chris Lipina	0.06 s	C#	2023-04-12 20:59:11
8	traxex	0.06 s	C#	2024-05-15 15:38:44
9	Mikael Fiala-Lundström	0.07 s	C#	2021-06-25 17:02:14

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-07-22 07:25:11
2	David Cawthon	0.06 s	Common Lisp	2019-05-26 04:25:33

#	User	Runtime	Language	Date
1	Norbert Voelker	0.04 s	Go	2021-06-16 23:17:05
2	Krzysztof Gibuła	0.09 s	Go	2019-01-20 13:27:45
3	Ian Howell	0.12 s	Go	2019-04-29 17:20:02
4	William Hester	0.22 s	Go	2015-10-09 03:29:05

#	User	Runtime	Language	Date
1	Jan Hrček	0.01 s	Haskell	2021-04-08 13:19:08
2	Steinar Simonnes	0.01 s	Haskell	2024-03-31 17:09:26
3	Esther Chong	0.03 s	Haskell	2018-01-25 06:38:38
4	Chase Hinesman	0.03 s	Haskell	2018-05-11 04:31:25
5	Hidden user	0.03 s	Haskell	2019-10-26 16:28:49
6	Matthew Johnson	0.03 s	Haskell	2024-05-04 18:52:40
7	Johan Meier	0.04 s	Haskell	2016-12-30 21:50:08
8	Brent Yorgey	0.04 s	Haskell	2017-11-26 07:52:19
9	Juan Miguel Vilar	0.04 s	Haskell	2020-10-21 17:45:22
10	Andrés Marzal Varó	0.04 s	Haskell	2020-10-26 18:50:56

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2024-09-08 16:10:29
2	Jan Štola	0.08 s	Java	2015-05-12 15:30:20
3	William Fiset	0.08 s	Java	2016-07-11 03:10:46
4	Kristoffer Borgstrøm	0.10 s	Java	2021-01-19 02:22:24
5	Jimmy Mårdell	0.11 s	Java	2015-01-03 14:38:45
6	Paul Boddington	0.11 s	Java	2016-05-02 16:38:20
7	Lee Wei Hong	0.11 s	Java	2016-05-20 10:53:13
8	Erik Baalhuis	0.11 s	Java	2016-08-09 02:18:54
9	Martijn Muijsers	0.11 s	Java	2016-10-13 23:44:46
10	Paulo Vilela	0.11 s	Java	2017-04-03 13:44:46

#	User	Runtime	Language	Date
1	Ismail Tahiri	0.15 s	JavaScript (Node.js)	2023-10-27 20:15:06
2	Khin Nyunt	0.58 s	JavaScript (Node.js)	2021-12-01 15:25:14

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2016-08-03 12:28:11
2	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-02-18 08:57:51
3	Jimmy Gustafsson	0.05 s	JavaScript (SpiderMonkey)	2024-08-21 16:30:38
4	Peter Kedemo	0.18 s	JavaScript (SpiderMonkey)	2016-09-15 07:20:37

#	User	Runtime	Language	Date
1	Timothy Gaede	0.64 s	Julia	2024-09-05 06:41:49

#	User	Runtime	Language	Date
1	Johnny Baloney	0.21 s	Kotlin	2022-01-07 01:23:20
2	Hidden user	0.22 s	Kotlin	2020-01-10 00:24:42
3	Terairk	0.24 s	Kotlin	2024-03-14 17:17:24
4	Adam Rankin	0.36 s	Kotlin	2023-05-09 21:42:31
5	Adam Koprowski	0.37 s	Kotlin	2020-08-21 09:51:06
6	Sergey Jakobsen	0.42 s	Kotlin	2021-07-28 02:40:17
7	Colin Gay	0.45 s	Kotlin	2019-05-25 20:02:51
8	Troy Warmboe	0.47 s	Kotlin	2020-02-20 05:07:03

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-04-25 12:02:44

#	User	Runtime	Language	Date
1	Adrian Borup	0.01 s	Perl	2024-10-27 19:07:13

#	User	Runtime	Language	Date
1	Silvena Lam	0.02 s	PHP	2016-06-05 19:20:16

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.09 s	Prolog	2016-11-22 21:03:12

#	User	Runtime	Language	Date
1	Siri Dovner	0.05 s	Python 2	2016-10-15 14:07:20
2	Hermon Mulat	0.06 s	Python 2	2016-11-09 15:22:52
3	James Lawson	0.06 s	Python 2	2019-03-01 14:07:00
4	Ocram Esah	0.06 s	Python 2	2022-04-12 17:15:51
5	Christofer Ohlsson	0.07 s	Python 2	2015-05-03 09:19:37
6	Nick Wu	0.07 s	Python 2	2015-10-10 01:07:29
7	Frederik Højholt	0.07 s	Python 2	2015-12-22 16:34:36
8	Lim Hong Hui Eugene	0.07 s	Python 2	2019-04-26 09:27:25
9	Paulo Bu	0.08 s	Python 2	2015-03-30 15:59:06
10	Erik Odenman	0.08 s	Python 2	2015-05-15 02:25:44

#	User	Runtime	Language	Date
1	Wayne	0.03 s	Python 3	2016-02-15 11:06:51
2	Joshua Coward	0.03 s	Python 3	2019-11-20 21:16:26
3	Tore Norderud	0.04 s	Python 3	2016-04-20 02:30:15
4	Hidden user	0.04 s	Python 3	2016-08-20 17:35:22
5	Josenildo Silva	0.04 s	Python 3	2016-11-15 16:49:29
6	Ram Basnet	0.04 s	Python 3	2017-05-18 18:25:41
7	Herman Appelgren	0.04 s	Python 3	2017-12-23 00:42:19
8	Wyatt Praharenka	0.04 s	Python 3	2018-01-12 09:48:59
9	Johannes Lindblom	0.04 s	Python 3	2019-11-03 11:36:15
10	Naoki Mizuno	0.05 s	Python 3	2016-04-09 08:54:02

#	User	Runtime	Language	Date
1	Casper Christensen	0.04 s	Ruby	2016-03-31 14:59:16
2	Taiju Yamada	0.04 s	Ruby	2016-05-20 13:53:38
3	Erik Rydbert	0.04 s	Ruby	2016-08-09 10:22:33
4	Hidden user	0.06 s	Ruby	2019-09-29 18:20:43
5	Thomas Feld	0.24 s	Ruby	2023-02-13 13:40:13

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-28 23:07:18
2	Vincent Lagerros	0.00 s	Rust	2025-02-17 13:55:12
3	Artur Khuziakhmetov	0.01 s	Rust	2022-08-09 15:24:22
4	Hidden user	0.01 s	Rust	2022-11-27 18:22:01
5	Eric Pinter	0.02 s	Rust	2021-06-27 18:34:34
6	Bas Dirks	0.02 s	Rust	2022-01-09 10:39:38
7	Noah Alexander Brubaker	0.49 s	Rust	2023-08-29 04:07:05

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-16 15:21:19

#	User	Length	Language	Date
1	Dan Rubery	244	C	2015-04-11 17:12:15
2	Nagata Parama Aptana	244	C	2021-08-10 17:41:24
3	Wayne	284	C	2016-02-15 11:16:26
4	Reine Reynoso	315	C	2016-05-02 03:58:41
5	Uroš Vaupotič	342	C	2016-05-06 11:35:20
6	Leslie Yip	348	C	2022-10-09 14:41:33
7	Lionel KITIHOUN	351	C	2015-12-31 13:07:47
8	Samuel Wrååk	366	C	2016-11-28 19:16:11
9	Hidden user	366	C	2017-05-03 07:59:11
10	Sambit Palit	379	C	2020-10-01 00:46:51

#	User	Length	Language	Date
1	traxex	321	C#	2024-05-15 15:38:44
2	Pontus Eriksson	433	C#	2017-07-17 20:17:41
3	Klas af Geijerstam	529	C#	2017-04-25 01:09:05
4	Chris Lipina	538	C#	2023-04-12 20:59:11
5	Liam Percy	731	C#	2018-05-11 04:39:41
6	Mustafa Dinler	918	C#	2016-07-07 00:22:21
7	Mads Storm Hansen	1244	C#	2015-07-19 17:40:18
8	Mikael Fiala-Lundström	3307	C#	2021-06-25 17:02:14
9	Nils Lenart	4282	C#	2020-03-20 13:33:42

#	User	Length	Language	Date
1	Ryan Chew	221	C++	2019-07-29 12:10:19
2	William Gan	222	C++	2017-02-23 14:20:26
3	David Wärn	226	C++	2015-02-17 17:50:18
4	Syx Pek	230	C++	2016-01-28 18:10:25
5	Way Tan	233	C++	2018-12-05 19:29:48
6	人外沙耶	236	C++	2020-11-17 08:47:23
7	Rafael Kristoforus Yanto	236	C++	2025-01-03 11:09:31
8	Đoàn Công Chính	238	C++	2018-01-19 16:27:37
9	Yeung Man Tsung	240	C++	2023-01-16 13:42:36
10	Hamza Hasbi	241	C++	2017-07-22 14:05:48

#	User	Length	Language	Date
1	Hidden user	242	Common Lisp	2019-07-22 07:16:22
2	David Cawthon	458	Common Lisp	2019-05-26 04:25:33

#	User	Length	Language	Date
1	Ian Howell	313	Go	2019-04-29 17:20:02
2	William Hester	382	Go	2015-10-09 03:29:05
3	Krzysztof Gibuła	589	Go	2019-01-20 13:27:45
4	Norbert Voelker	2292	Go	2021-06-16 23:17:05

#	User	Length	Language	Date
1	Matthew Johnson	207	Haskell	2024-05-04 18:54:49
2	Chase Hinesman	240	Haskell	2018-05-11 04:31:25
3	Brent Yorgey	389	Haskell	2017-11-26 07:52:19
4	Johan Meier	458	Haskell	2016-12-30 21:50:08
5	Juan Miguel Vilar	471	Haskell	2020-10-21 17:45:22
6	Andrés Marzal Varó	582	Haskell	2020-10-26 18:50:56
7	Esther Chong	639	Haskell	2018-01-25 06:38:38
8	Jan Hrček	722	Haskell	2021-04-08 13:19:08
9	Steinar Simonnes	785	Haskell	2024-03-31 17:09:26
10	Sergio Martín Sempere	1678	Haskell	2020-10-26 18:58:36

#	User	Length	Language	Date
1	Ada Clevinger	372	Java	2018-06-07 03:44:37
2	Marcus Der	379	Java	2020-11-01 23:29:39
3	Lucy Reynolds	380	Java	2015-10-09 04:10:04
4	Stephen Young	399	Java	2023-01-12 00:29:34
5	Luke Craig	412	Java	2016-02-17 22:48:07
6	Nils Olsson	416	Java	2021-04-06 12:06:09
7	Nathan Kiehl	417	Java	2023-04-12 22:52:45
8	Caeden Whitaker	424	Java	2020-10-18 05:23:30
9	Wang Zhi Jian	428	Java	2018-08-16 12:32:19
10	Calvin Godfrey	430	Java	2020-01-15 16:55:13

#	User	Length	Language	Date
1	Ismail Tahiri	663	JavaScript (Node.js)	2023-10-27 20:15:06
2	Khin Nyunt	762	JavaScript (Node.js)	2021-12-01 15:25:14

#	User	Length	Language	Date
1	Christian Cederquist	96	JavaScript (SpiderMonkey)	2023-02-18 09:00:23
2	Jimmy Gustafsson	101	JavaScript (SpiderMonkey)	2024-08-21 16:30:38
3	Bjørn Chr. Soltvedt	220	JavaScript (SpiderMonkey)	2016-08-03 12:28:11
4	Peter Kedemo	547	JavaScript (SpiderMonkey)	2016-09-15 07:20:37

#	User	Length	Language	Date
1	Timothy Gaede	394	Julia	2024-09-05 06:41:49

#	User	Length	Language	Date
1	Sergey Jakobsen	253	Kotlin	2021-07-28 02:40:17
2	Adam Koprowski	357	Kotlin	2020-08-21 09:51:06
3	Troy Warmboe	384	Kotlin	2020-02-20 05:07:03
4	Colin Gay	392	Kotlin	2019-05-25 20:02:51
5	Adam Rankin	493	Kotlin	2023-05-09 21:42:31
6	Johnny Baloney	631	Kotlin	2022-01-07 01:20:58
7	Hidden user	1197	Kotlin	2020-01-10 00:24:42
8	Terairk	2534	Kotlin	2024-03-14 17:17:24

#	User	Length	Language	Date
1	Ingemar Ragnemalm	348	Pascal	2019-04-25 12:02:44

#	User	Length	Language	Date
1	Adrian Borup	205	Perl	2024-10-27 19:07:13

#	User	Length	Language	Date
1	Silvena Lam	609	PHP	2016-06-05 19:49:41

#	User	Length	Language	Date
1	Andriy Zyevakov	835	Prolog	2016-11-22 21:03:12

#	User	Length	Language	Date
1	Thomas Feld	131	Python 2	2019-09-12 11:35:00
2	Erik Odenman	149	Python 2	2015-05-15 02:25:44
3	Jesper Öqvist	175	Python 2	2018-10-28 16:20:14
4	Andreas Björklund	189	Python 2	2019-03-14 21:11:33
5	Guan Yang Ze	190	Python 2	2019-09-06 16:27:21
6	Justin Su	191	Python 2	2017-09-24 22:17:37
7	Paulo Bu	192	Python 2	2015-03-30 15:59:06
8	Johan Lyts	213	Python 2	2020-01-19 15:17:52
9	Lim Hong Hui Eugene	232	Python 2	2019-04-26 09:27:25
10	Siri Dovner	234	Python 2	2016-10-15 14:07:20

#	User	Length	Language	Date
1	Nino Bašić	109	Python 3	2023-01-07 22:37:08
2	Lee Isaac	111	Python 3	2023-01-23 23:12:04
3	Farzam Abrishami	117	Python 3	2024-02-02 22:07:07
4	Frans Meulenbroeks	120	Python 3	2024-10-30 12:27:01
5	David Aldenbro	127	Python 3	2025-02-28 11:31:01
6	Jason Clarke	127	Python 3	2024-07-23 20:38:02
7	Tai Tze Kin	133	Python 3	2024-05-04 18:28:40
8	Clement Oh	135	Python 3	2023-10-12 13:38:06
9	Hidden user	140	Python 3	2022-10-28 23:54:32
10	Hidden user	141	Python 3	2019-10-04 20:06:25

#	User	Length	Language	Date
1	Thomas Feld	75	Ruby	2023-02-13 13:40:13
2	Taiju Yamada	115	Ruby	2016-05-20 13:53:38
3	Erik Rydbert	186	Ruby	2016-08-09 10:22:33
4	Casper Christensen	202	Ruby	2016-03-31 14:59:16
5	Hidden user	269	Ruby	2019-09-29 18:20:43

#	User	Length	Language	Date
1	Vincent Lagerros	456	Rust	2025-02-17 13:54:12
2	Bas Dirks	481	Rust	2022-01-09 10:39:38
3	Hidden user	586	Rust	2022-11-27 18:22:01
4	Artur Khuziakhmetov	592	Rust	2022-08-09 15:24:22
5	Eric Pinter	947	Rust	2021-06-27 18:34:34
6	Noah Alexander Brubaker	1002	Rust	2023-08-29 04:07:05
7	Pahlevi Fikri Auliya	1768	Rust	2020-10-28 23:07:18

Solution running time distribution