Problem I
Subway Map — Problem Statistics

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Submissions	250
Accepted submissions	81
Submission ratio	32.40%
Authors	57
Full solves [?]	38
Full solve Ratio	66.67%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.23 s	C	2020-03-26 11:55:16

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.08 s	C++	2021-03-16 13:46:23
2	Jeremy Lim	0.08 s	C++	2025-07-31 22:29:53
3	Erik Amirell Eklöf	0.12 s	C++	2022-11-29 10:25:17
4	Eu-Shaun Leong	0.12 s	C++	2023-04-23 07:07:54
5	Alexander Skidanov	0.13 s	C++	2025-01-05 10:19:47
6	Marcin Pilipczuk	0.14 s	C++	2020-04-24 16:41:58
7	William Quiroga	0.14 s	C++	2021-10-27 19:37:35
8	Seba Villalobos	0.14 s	C++	2021-10-27 21:31:44
9	Gustavo Farani	0.15 s	C++	2020-03-15 16:03:08
10	David Lolck	0.15 s	C++	2020-04-24 16:33:09

#	User	Runtime	Language	Date
1	Brent Yorgey	0.99 s	Java	2020-07-10 21:47:29

#	User	Runtime	Language	Date
1	Jacob Huebner	0.89 s	Kotlin	2024-09-25 04:24:47

#	User	Runtime	Language	Date
1	Jonatan Nilsson	0.92 s	Python 2	2020-02-19 19:51:51
2	Andreas Björklund	1.44 s	Python 2	2020-03-26 19:14:27
3	Thore Husfeldt	2.51 s	Python 2	2020-03-25 20:19:00
4	Björn Magnusson	3.82 s	Python 2	2020-02-19 20:31:34

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.45 s	Python 3	2021-02-26 09:55:52
2	Hidden user	0.85 s	Python 3	2020-05-04 03:09:45
3	Hidden user	1.46 s	Python 3	2026-02-15 14:25:46
4	David Nilsson	2.54 s	Python 3	2020-07-18 10:14:29
5	Thore Husfeldt	2.67 s	Python 3	2020-03-25 20:20:01

#	User	Length	Language	Date
1	Ivan Petrov	3350	C	2020-03-26 11:55:16

#	User	Length	Language	Date
1	Dmitry Lyubshin	1232	C++	2023-07-07 19:01:07
2	Eu-Shaun Leong	1596	C++	2023-04-23 07:07:54
3	Oskar Haarklou Veileborg	1808	C++	2021-03-16 13:46:23
4	Asger Hautop Drewsen	1815	C++	2021-02-25 14:05:09
5	Alexander Skidanov	1979	C++	2025-01-05 10:39:33
6	Fredrik Ekholm	1989	C++	2020-02-19 19:41:04
7	Cameron Custer	1999	C++	2021-10-28 04:04:31
8	Erik Amirell Eklöf	2042	C++	2021-11-16 16:12:00
9	Greggy	2042	C++	2025-01-05 10:15:43
10	Ivan Petrov	2069	C++	2020-03-26 11:01:52

#	User	Length	Language	Date
1	Brent Yorgey	13825	Java	2020-07-10 21:40:49

#	User	Length	Language	Date
1	Jacob Huebner	3327	Kotlin	2024-09-25 04:24:47

#	User	Length	Language	Date
1	Andreas Björklund	1038	Python 2	2020-03-26 19:14:27
2	Björn Magnusson	1898	Python 2	2020-02-19 20:31:34
3	Jonatan Nilsson	1947	Python 2	2020-02-19 19:51:51
4	Thore Husfeldt	2176	Python 2	2020-03-25 20:19:00

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	919	Python 3	2021-03-03 20:16:29
2	David Nilsson	2031	Python 3	2020-07-18 10:14:29
3	Thore Husfeldt	2176	Python 3	2020-03-25 20:20:01
4	Hidden user	2784	Python 3	2020-05-04 03:18:13
5	Hidden user	6726	Python 3	2026-02-15 14:25:46

Solution running time distribution