Problem I
Subway Tree System — Problem Statistics

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Submissions	1063
Accepted submissions	408
Submission ratio	38.38%
Authors	245
Full solves [?]	184
Full solve Ratio	75.10%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.03 s	C	2019-06-21 11:04:54

#	User	Runtime	Language	Date
1	Lukas Polacek	0.00 s	C++	2011-12-13 14:14:09
2	Emil Lenngren	0.00 s	C++	2013-02-24 00:04:29
3	Saad Taame	0.00 s	C++	2016-09-11 22:43:33
4	Toc Doanh Sang	0.00 s	C++	2018-01-01 02:42:28
5	Robin Christopher Yu	0.00 s	C++	2020-12-19 05:24:04
6	Nicholas Foo Chuan Le	0.00 s	C++	2022-08-29 16:26:06
7	Dario Petrillo	0.00 s	C++	2023-11-13 19:08:58
8	Kris Taran	0.00 s	C++	2023-11-20 18:23:25
9	Johan Wester	0.01 s	C++	2011-12-13 17:22:38
10	Niklas Nordmark	0.01 s	C++	2011-12-13 18:00:39

#	User	Runtime	Language	Date
1	Christoffer Danborg Irvall	0.32 s	Go	2019-05-04 21:33:12

#	User	Runtime	Language	Date
1	Isaac Arvestad	0.01 s	Haskell	2020-05-19 23:24:10
2	Flocon de Son	0.01 s	Haskell	2020-06-02 07:00:43
3	Hidden user	0.01 s	Haskell	2021-11-28 03:11:24
4	Buddha Buck	0.02 s	Haskell	2020-05-21 15:47:17
5	Juan Miguel Vilar	0.02 s	Haskell	2020-06-03 13:12:04
6	Aliaksey Artamonau	0.02 s	Haskell	2020-06-07 22:24:47
7	Brent Yorgey	0.03 s	Haskell	2020-05-23 00:08:02
8	TJ Takei	0.03 s	Haskell	2025-04-19 11:47:31
9	Luis Antonio Donoso de Dios	0.04 s	Haskell	2020-05-24 11:17:48
10	Anurudh Reddy	0.04 s	Haskell	2020-10-14 00:35:59

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.07 s	Java	2015-10-09 05:04:47
2	Hidden user	0.07 s	Java	2015-10-09 05:25:09
3	Nick Wu	0.12 s	Java	2015-10-07 04:13:19
4	Axel Lewenhaupt	0.13 s	Java	2013-02-25 18:26:37
5	Malte Larsson	0.14 s	Java	2021-11-20 10:09:53
6	Simon Klein	0.15 s	Java	2011-12-13 22:31:55
7	Fredrik Persson	0.15 s	Java	2021-12-08 15:47:42
8	Liam Keliher	0.16 s	Java	2016-10-19 19:39:30
9	Tristen Tulkens	0.16 s	Java	2020-01-15 01:53:18
10	Erik Odenman	0.17 s	Java	2013-02-21 21:23:21

#	User	Runtime	Language	Date
1	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-11-12 09:18:30

#	User	Runtime	Language	Date
1	Olav Røthe Bakken	0.09 s	Python 2	2019-12-05 12:38:58
2	Ragur Krishnan	0.15 s	Python 2	2022-02-17 17:27:42
3	Hidden user	0.18 s	Python 2	2014-04-18 01:54:05
4	Andreas Björklund	0.22 s	Python 2	2018-12-09 14:57:14

#	User	Runtime	Language	Date
1	Bjørn Dons	0.07 s	Python 3	2019-05-31 11:53:40
2	Peter Elliott	0.09 s	Python 3	2018-09-11 04:42:52
3	Oskar Haarklou Veileborg	0.09 s	Python 3	2020-04-09 14:17:57
4	Dilhan Salgado	0.10 s	Python 3	2020-02-28 05:38:21
5	Leong Song Zhu, Owen	0.11 s	Python 3	2018-07-07 14:33:33
6	Z S	0.11 s	Python 3	2019-11-04 00:38:49
7	Lawry Sorenson	0.12 s	Python 3	2023-07-20 06:01:07
8	Robert Logi Jonsson	0.12 s	Python 3	2024-10-15 02:38:28
9	Duoduo Zhao	0.12 s	Python 3	2025-07-07 18:07:13
10	Hidden user	0.13 s	Python 3	2023-06-18 22:01:00

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.01 s	Rust	2023-01-01 15:40:35

#	User	Length	Language	Date
1	Ivan Petrov	616	C	2019-06-21 11:04:54

#	User	Length	Language	Date
1	Niklas Nordmark	672	C++	2011-12-13 18:00:39
2	Alexander Skidanov	675	C++	2025-02-03 20:44:32
3	Daniel Murphy	709	C++	2021-11-15 22:15:05
4	Josenildo Silva	743	C++	2017-05-26 02:20:39
5	Hidden user	804	C++	2022-10-17 15:13:30
6	Emil Wärnberg	882	C++	2013-02-26 22:16:29
7	Neal Zane	919	C++	2015-12-26 02:34:45
8	Hidden user	962	C++	2024-06-18 10:47:34
9	Erik Mattfolk	1031	C++	2019-09-17 20:21:25
10	Fredrik Hernqvist	1044	C++	2016-10-18 14:46:13

#	User	Length	Language	Date
1	Christoffer Danborg Irvall	2188	Go	2019-05-04 21:33:12

#	User	Length	Language	Date
1	David Wärn	543	Haskell	2015-04-21 15:34:36
2	Anurudh Reddy	659	Haskell	2020-10-14 00:35:59
3	Luis Antonio Donoso de Dios	772	Haskell	2020-05-24 11:17:48
4	Flocon de Son	779	Haskell	2020-06-02 07:00:43
5	Hidden user	833	Haskell	2021-11-27 23:20:25
6	TJ Takei	838	Haskell	2025-04-19 11:47:31
7	Aliaksey Artamonau	976	Haskell	2020-06-07 22:26:05
8	Isaac Arvestad	1051	Haskell	2020-05-19 23:24:10
9	Hidden user	1110	Haskell	2021-04-26 06:59:30
10	Brent Yorgey	1160	Haskell	2020-05-22 20:47:27

#	User	Length	Language	Date
1	Harpa Jóhannsdóttir	1132	Java	2024-10-14 22:17:52
2	Hà Minh Ngọc	1189	Java	2015-10-09 05:10:54
3	Hidden user	1189	Java	2015-10-09 05:30:22
4	ghentan	1417	Java	2021-10-10 09:47:58
5	David Cerenius	1479	Java	2021-10-11 15:29:14
6	Finn Lidbetter	1590	Java	2016-10-20 02:24:19
7	Micah Stairs	1635	Java	2016-10-20 02:27:33
8	Godmar Back	1655	Java	2024-08-31 18:10:22
9	Doug Goodman	1692	Java	2018-05-16 17:02:38
10	Jake Crouch	1900	Java	2018-01-04 06:05:15

#	User	Length	Language	Date
1	Christian Cederquist	1837	JavaScript (SpiderMonkey)	2023-11-12 09:18:30

#	User	Length	Language	Date
1	Ragur Krishnan	306	Python 2	2022-02-17 17:27:42
2	Hidden user	551	Python 2	2014-04-18 01:54:05
3	Olav Røthe Bakken	574	Python 2	2019-12-05 12:38:58
4	Andreas Björklund	880	Python 2	2018-12-09 14:57:14

#	User	Length	Language	Date
1	Lawry Sorenson	247	Python 3	2023-07-20 06:15:30
2	Oskar Haarklou Veileborg	288	Python 3	2020-04-09 14:19:40
3	Rici Lake	299	Python 3	2022-04-02 23:19:42
4	Marcel Wrzos-Kaminski	433	Python 3	2022-10-18 02:23:44
5	Bjørn Dons	444	Python 3	2019-05-31 11:53:40
6	Brandon Young	470	Python 3	2024-02-04 22:08:56
7	Casper Rysgaard	489	Python 3	2020-07-01 23:41:29
8	Peter Elliott	575	Python 3	2018-09-11 04:42:52
9	Hidden user	592	Python 3	2023-06-18 22:01:00
10	Dilhan Salgado	594	Python 3	2020-02-28 05:38:21

#	User	Length	Language	Date
1	Daniel Anker Hermansen	29550	Rust	2023-01-01 15:40:35

Solution running time distribution