Problem I
A Walk Through The Forest — Problem Statistics

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Submissions	4831
Accepted submissions	1271
Submission ratio	26.31%
Authors	843
Full solves [?]	656
Full solve Ratio	77.82%

#	User	Runtime	Language	Date
1	Sabit Zahin	0.43 s	C	2016-04-26 00:43:18
2	Amad Askor	0.45 s	C	2016-08-10 18:28:25
3	Henrik Sjögren	0.53 s	C	2006-11-24 11:46:46

#	User	Runtime	Language	Date
1	Angelo Mendoza	0.77 s	C#	2025-06-26 17:19:58
2	Wenlei Yu	0.85 s	C#	2025-01-20 23:57:50
3	Marwan Ashhuby	1.76 s	C#	2025-08-11 21:18:29
4	Mattias Vinje	1.83 s	C#	2025-03-30 10:20:50
5	Mark Lekkerkerker	2.96 s	C#	2018-05-14 17:12:30

#	User	Runtime	Language	Date
1	Leif Eriksson	0.11 s	C++	2024-03-04 22:00:57
2	Duarte Nóbrega	0.12 s	C++	2019-03-24 01:26:51
3	Alper Tuzcu	0.14 s	C++	2021-04-21 20:17:26
4	Constantijn Dekker	0.14 s	C++	2021-04-23 23:41:34
5	Bergur Snorrason	0.15 s	C++	2019-06-23 23:17:51
6	Donald Dong	0.25 s	C++	2018-06-17 20:41:43
7	Ludvig Strigeus	0.28 s	C++	2007-11-20 22:51:05
8	Matthias Mühlhauser	0.28 s	C++	2021-06-13 20:11:09
9	Hidden user	0.30 s	C++	2019-03-18 16:12:58
10	Willson Wijaya	0.30 s	C++	2019-03-22 18:43:26

#	User	Runtime	Language	Date
1	Lior Barak	0.63 s	Java	2021-03-04 02:34:40
2	Per Wennersten	0.75 s	Java	2006-11-25 15:58:17
3	Duncan Page	0.78 s	Java	2017-10-30 23:15:16
4	Åsmund Hammer	0.82 s	Java	2017-03-09 14:07:21
5	William Brigham	0.84 s	Java	2018-02-06 18:46:16
6	Ali Pervaiz	0.91 s	Java	2019-04-01 21:42:21
7	Bjørn Dons	0.92 s	Java	2018-11-29 23:03:52
8	Huang Weijie	0.96 s	Java	2019-05-01 18:00:27
9	Joshua Fair	0.96 s	Java	2021-03-04 02:30:19
10	Herman Appelgren	0.98 s	Java	2018-04-02 00:58:22

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	2.49 s	JavaScript (SpiderMonkey)	2023-07-05 17:38:41

#	User	Runtime	Language	Date
1	Caleb Austin	3.00 s	Lua	2024-11-22 22:49:44

#	User	Runtime	Language	Date
1	Anton Lyxell	1.17 s	Python 2	2020-01-07 04:44:41
2	Jonas van der Schaaf	1.36 s	Python 2	2021-04-28 15:42:55
3	Maj Stenmark	1.69 s	Python 2	2018-06-25 15:24:33
4	Ben Stutzman	1.73 s	Python 2	2018-10-02 19:36:19
5	Emiel Wiedijk	1.75 s	Python 2	2021-04-28 09:08:10
6	Andreas Björklund	1.82 s	Python 2	2021-11-09 07:27:05
7	Gertjan Kloosterman	1.84 s	Python 2	2018-05-13 12:25:53
8	Mick Gielen	1.90 s	Python 2	2019-06-19 19:03:12
9	Lars Åström	1.91 s	Python 2	2018-06-28 23:48:15
10	Harry Smidt	1.91 s	Python 2	2019-10-15 22:43:09

#	User	Runtime	Language	Date
1	Deepak sanjei S V	0.94 s	Python 3	2025-07-28 16:04:21
2	Lennart Meyling	1.06 s	Python 3	2023-10-29 14:54:57
3	Jan Pogačar	1.15 s	Python 3	2025-08-22 00:29:52
4	jgbrs	1.21 s	Python 3	2022-06-12 18:57:51
5	KUNCHALA VISHNU VARDHAN KUNCHALA VISHNU VARDHAN	1.24 s	Python 3	2025-05-21 07:11:45
6	K MOHITH	1.24 s	Python 3	2025-05-27 19:24:20
7	Mariann Lepsøy	1.25 s	Python 3	2024-03-07 10:15:38
8	Hidden user	1.25 s	Python 3	2024-05-06 09:40:29
9	Jakob Hjalgrim	1.30 s	Python 3	2023-05-09 20:36:20
10	Regina Polanco Quiroz	1.30 s	Python 3	2025-10-03 21:49:21

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.06 s	Rust	2025-03-06 20:08:19
2	Adam Engsig	0.15 s	Rust	2023-10-04 15:48:39
3	Pär Söderhjelm	0.21 s	Rust	2020-08-15 04:37:08
4	Lars Haukland	0.34 s	Rust	2024-02-27 13:50:07
5	Erik Magnusson	0.51 s	Rust	2024-02-19 10:47:40
6	Ryan Chau	0.61 s	Rust	2023-03-17 01:37:44
7	Ole Vik Lysne	1.14 s	Rust	2024-02-27 17:18:51
8	Sebastian Refsnes	2.05 s	Rust	2024-03-15 20:47:50

#	User	Length	Language	Date
1	Amad Askor	1499	C	2016-08-10 18:28:25
2	Sabit Zahin	3284	C	2016-04-26 00:43:18
3	Henrik Sjögren	10916	C	2006-11-24 11:46:46

#	User	Length	Language	Date
1	Angelo Mendoza	2199	C#	2025-06-26 17:19:58
2	Wenlei Yu	2509	C#	2025-01-20 23:57:50
3	Marwan Ashhuby	2894	C#	2025-08-11 21:18:29
4	Mattias Vinje	5236	C#	2025-03-30 10:20:50
5	Mark Lekkerkerker	9667	C#	2018-05-14 17:12:30

#	User	Length	Language	Date
1	Teikn Smith	536	C++	2023-12-13 23:57:26
2	Andreas Alberg	958	C++	2022-10-14 12:08:23
3	David Vega	1032	C++	2017-12-12 17:12:47
4	Evan Michael Bailey	1032	C++	2024-02-05 08:37:19
5	Ravi Chandak	1052	C++	2016-02-09 11:51:49
6	Yu Bu	1092	C++	2022-10-24 05:57:59
7	Lim Kai Le	1095	C++	2021-05-11 05:13:35
8	Frederick Pek	1095	C++	2021-05-11 05:15:01
9	Kiên Nguyễn Tiến Trung	1099	C++	2017-03-17 07:16:14
10	Kane Deng	1099	C++	2023-03-09 10:47:21

#	User	Length	Language	Date
1	Issam Baskati	1389	Java	2016-12-14 02:46:59
2	Doug Goodman	1805	Java	2017-09-04 16:23:24
3	Joshua Fair	2162	Java	2021-03-04 02:30:19
4	Ali Pervaiz	2223	Java	2019-04-01 21:42:21
5	Daniel West	2397	Java	2018-04-23 04:07:52
6	Darrin Wiley	2543	Java	2016-11-12 20:18:39
7	Finn Lidbetter	2547	Java	2016-08-31 16:36:59
8	Collin Jakubik	2605	Java	2021-09-21 20:11:05
9	Olav Røthe Bakken	2623	Java	2018-01-09 12:42:39
10	Isaac Sun	2640	Java	2025-07-27 22:27:32

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	4656	JavaScript (SpiderMonkey)	2023-07-05 17:38:41

#	User	Length	Language	Date
1	Caleb Austin	2571	Lua	2024-11-22 22:49:44

#	User	Length	Language	Date
1	Andreas Björklund	916	Python 2	2021-11-09 07:27:05
2	Hidden user	1145	Python 2	2018-07-29 20:05:59
3	Maj Stenmark	1191	Python 2	2018-06-25 15:24:33
4	Måns Magnusson	1213	Python 2	2018-06-27 14:04:28
5	Lars Åström	1255	Python 2	2018-06-28 23:48:15
6	Folkert van Verseveld	1339	Python 2	2019-06-22 10:45:44
7	Mick Gielen	1369	Python 2	2019-06-19 19:03:12
8	Harry Smidt	1685	Python 2	2019-10-15 22:43:09
9	James Lawson	2291	Python 2	2018-12-31 13:56:49
10	Jonas van der Schaaf	2634	Python 2	2021-04-28 15:42:55

#	User	Length	Language	Date
1	Lukas Kerren	472	Python 3	2024-04-03 23:51:13
2	Yong Mao	569	Python 3	2024-01-01 01:20:25
3	Lennart Meyling	836	Python 3	2023-10-29 14:52:52
4	Jakob Rødal Skaar	853	Python 3	2024-02-21 19:54:04
5	Tony Kwan	926	Python 3	2023-01-03 19:54:11
6	Ole Vik Lysne	928	Python 3	2024-02-23 20:15:22
7	Anton Lyxell	935	Python 3	2020-01-05 20:30:07
8	Justin Su	941	Python 3	2020-11-22 02:39:01
9	Iman Khodadi	943	Python 3	2025-02-08 19:10:38
10	Lawry Sorenson	955	Python 3	2023-12-09 00:05:55

#	User	Length	Language	Date
1	Ole Vik Lysne	2015	Rust	2024-02-26 23:40:18
2	Sebastian Refsnes	3160	Rust	2024-03-15 20:47:50
3	Lars Haukland	3208	Rust	2024-02-27 13:50:07
4	Adam Engsig	3460	Rust	2023-10-04 15:48:39
5	Ryan Chau	4750	Rust	2023-03-17 01:37:44
6	Vincent Lagerros	5496	Rust	2024-05-31 15:36:00
7	Erik Magnusson	5704	Rust	2024-02-19 10:47:40
8	Pär Söderhjelm	5849	Rust	2020-08-15 04:37:08

Solution running time distribution