Problem A
Happy Trails — Problem Statistics

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Submissions	206
Accepted submissions	121
Submission ratio	58.74%
Authors	99
Full solves [?]	96
Full solve Ratio	96.97%

#	User	Runtime	Language	Date
1	Liampisan Nipat	0.00 s	C	2017-11-16 12:29:43
2	Jerome Fietz	0.00 s	C	2017-11-16 12:32:39
3	Dan Suwanseree	0.00 s	C	2017-11-16 13:25:33
4	Esther Chong	0.00 s	C	2017-11-17 15:35:26

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Go	2017-11-05 02:46:46

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-11-07 06:57:21
2	Steinar Simonnes	0.00 s	Haskell	2025-08-24 08:52:21

#	User	Runtime	Language	Date
1	Steven Cheng	0.10 s	Java	2017-11-18 06:04:20
2	Hunter Mullen	0.10 s	Java	2025-08-20 04:31:09
3	Ali Koer	0.11 s	Java	2017-11-17 04:45:27
4	Ali Gürkan Köroglu	0.11 s	Java	2017-11-17 04:45:44
5	Marco Troltsch	0.12 s	Java	2017-11-16 12:58:14
6	Benedikt Nork	0.12 s	Java	2017-11-16 13:14:06
7	Trung Quan Tong Dam	0.13 s	Java	2017-11-15 00:51:52
8	Philipp Rothaug	0.13 s	Java	2017-11-16 12:24:25
9	Lutz Steinhilber	0.13 s	Java	2017-11-16 12:28:05
10	Tien Nguyen Dao Thuy	0.13 s	Java	2017-11-16 13:40:21

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2017-11-05 00:24:44
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-08-21 12:57:18

#	User	Runtime	Language	Date
1	Timothy Gaede	0.86 s	Julia	2025-08-13 17:59:57

#	User	Runtime	Language	Date
1	Слава Гуляев	0.24 s	Kotlin	2017-11-06 01:19:05

#	User	Runtime	Language	Date
1	Neal Zane	0.03 s	Python 2	2017-11-07 08:24:03
2	Christofer Ohlsson	0.03 s	Python 2	2017-11-11 12:36:27

#	User	Runtime	Language	Date
1	Erik Rydbert	0.02 s	Python 3	2017-11-14 10:22:49
2	Tawan Thampipattanakul	0.02 s	Python 3	2017-11-16 13:25:22
3	Warakorn Jetlohasiri	0.02 s	Python 3	2017-11-16 13:36:26
4	Andrew McGehee	0.03 s	Python 3	2017-11-05 22:38:29
5	Matthew Oakley	0.03 s	Python 3	2017-11-14 18:18:38
6	seppanz	0.03 s	Python 3	2017-11-16 13:03:55
7	Thossakrai Nakkasem	0.03 s	Python 3	2017-11-16 13:33:51
8	Dhitiwat Jongsuebchoke	0.03 s	Python 3	2017-11-16 15:14:35
9	Ahmed Chamseddine	0.04 s	Python 3	2025-08-13 16:39:57
10	Sugerman	0.04 s	Python 3	2025-08-14 15:39:32

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-08-22 13:51:34

#	User	Runtime	Language	Date
1	Pankajkumar Patro	0.00 s	Rust	2025-08-28 18:35:42
2	Jiaye Will Wang	0.00 s	Rust	2025-09-09 05:04:10

#	User	Length	Language	Date
1	Esther Chong	308	C	2017-11-17 15:35:26
2	Dan Suwanseree	362	C	2017-11-16 13:25:33
3	Liampisan Nipat	488	C	2017-11-16 12:29:43
4	Jerome Fietz	568	C	2017-11-16 12:32:39

#	User	Length	Language	Date
1	Sven Rönnbäck	161	C++	2025-08-27 17:15:54
2	Polawat Nakthong	244	C++	2017-11-16 12:19:52
3	Petrov Michail	305	C++	2017-11-16 12:31:50
4	Кирилл Кудряшов	326	C++	2017-11-16 14:31:18
5	Hidden user	328	C++	2017-11-16 14:38:18
6	Vadim Popolitov	363	C++	2025-08-15 21:00:27
7	Michael Pfeifer	365	C++	2017-11-05 14:04:40
8	Abish Jha	367	C++	2017-11-07 05:50:44
9	Svent Julien Slein	380	C++	2017-11-16 14:29:03
10	Marcus Legendre	398	C++	2017-11-16 13:03:49

#	User	Length	Language	Date
1	Hidden user	437	Go	2017-11-05 02:46:46

#	User	Length	Language	Date
1	Brent Yorgey	344	Haskell	2017-11-07 06:57:21
2	Steinar Simonnes	492	Haskell	2025-08-24 08:52:21

#	User	Length	Language	Date
1	Markus Alker	422	Java	2017-11-16 12:44:49
2	Chi H. Phan	440	Java	2017-11-16 12:55:56
3	Hemanth Kumar Babu	446	Java	2017-11-16 12:24:19
4	Mitch Price	448	Java	2017-11-05 22:45:16
5	Lutz Steinhilber	465	Java	2017-11-16 21:10:04
6	Stela Palii	477	Java	2017-11-19 07:38:25
7	Hunter Mullen	484	Java	2025-08-20 04:31:09
8	Vinh Phạm	497	Java	2017-11-18 18:32:10
9	Turner Atwood	508	Java	2017-11-05 23:03:16
10	Philipp Rothaug	509	Java	2017-11-16 12:24:25

#	User	Length	Language	Date
1	Christian Cederquist	94	JavaScript (SpiderMonkey)	2025-08-21 13:02:50
2	Bjørn Chr. Soltvedt	210	JavaScript (SpiderMonkey)	2017-11-05 00:24:44

#	User	Length	Language	Date
1	Timothy Gaede	511	Julia	2025-08-13 17:59:57

#	User	Length	Language	Date
1	Слава Гуляев	878	Kotlin	2017-11-06 01:19:05

#	User	Length	Language	Date
1	Neal Zane	168	Python 2	2017-11-07 08:24:03
2	Christofer Ohlsson	240	Python 2	2017-11-11 12:36:27

#	User	Length	Language	Date
1	Daniel Bogorad	92	Python 3	2025-09-02 06:01:46
2	Nicholas Russell Saerang	110	Python 3	2025-09-03 07:52:17
3	David Aldenbro	119	Python 3	2025-08-18 22:08:17
4	Ahmed Chamseddine	120	Python 3	2025-08-13 16:39:57
5	Teikn Smith	134	Python 3	2025-09-07 02:39:58
6	Noah Hessen Bjerke	137	Python 3	2025-08-25 23:54:07
7	Yong Mao	139	Python 3	2025-08-25 02:33:20
8	Christian Blumenthal	149	Python 3	2025-08-22 14:58:26
9	Atli Fannar Franklín	174	Python 3	2025-08-15 17:25:55
10	Jey Veerasamy	175	Python 3	2025-08-17 07:35:54

#	User	Length	Language	Date
1	Thomas Feld	67	Ruby	2025-08-22 13:54:42

#	User	Length	Language	Date
1	Pankajkumar Patro	511	Rust	2025-08-28 18:35:42
2	Jiaye Will Wang	1407	Rust	2025-09-09 05:04:10

Solution running time distribution