Problem A
Subway Tree System — Problem Statistics

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Submissions	352
Accepted submissions	110
Submission ratio	31.25%
Authors	50
Accepted authors	31
Author ratio	62.00%

#	User	Runtime	Language	Date
1	Henrik Adolfsson	0.01 s	C++	2014-09-24 13:53:28
2	Bjarki Ágúst Guðmundsson	0.01 s	C++	2014-11-01 04:49:51
3	Jonathan Lundgren	0.01 s	C++	2016-09-17 03:25:59
4	Jonatan Stodeman	0.01 s	C++	2016-09-17 04:39:49
5	Filip Strömbäck	0.01 s	C++	2017-09-27 22:35:35
6	Filip Strömbäck	0.01 s	C++	2017-09-27 22:45:17
7	Robert Kumpulainen	0.01 s	C++	2017-09-28 00:04:24
8	Christoffer Holm	0.01 s	C++	2017-10-02 17:18:27
9	Johan Öhman	0.01 s	C++	2018-10-18 13:57:26
10	Eric Östholm	0.01 s	C++	2018-10-18 14:05:06

#	User	Runtime	Language	Date
1	Martin Kaller	0.18 s	Java	2021-10-08 08:17:14
2	Elias Leijonmarck	0.19 s	Java	2021-10-02 18:33:49
3	Martin Kaller	0.21 s	Java	2021-10-07 12:49:48
4	David Cerenius	0.30 s	Java	2021-10-11 14:00:18
5	Carl Nykvist	0.35 s	Java	2015-10-18 10:20:54

#	User	Runtime	Language	Date
1	Christoffer Lundell	0.17 s	Python 3	2023-10-24 16:35:59
2	Lowe Kozak	0.19 s	Python 3	2021-09-28 23:25:45

#	User	Length	Language	Date
1	Daniel Murphy	709	C++	2021-11-15 22:15:05
2	Ismail Safwat	787	C++	2021-10-27 18:29:44
3	Erik Mattfolk	1031	C++	2019-09-17 20:21:25
4	Niklas Samuelsson	1053	C++	2019-11-24 13:46:29
5	Isak Olsson	1469	C++	2022-10-10 21:24:37
6	Alexander Henne	1623	C++	2019-10-24 20:14:52
7	Christoffer Holm	1631	C++	2017-10-02 17:14:45
8	Bjarki Ágúst Guðmundsson	1664	C++	2014-11-01 04:49:51
9	Kalle Johansson	1670	C++	2018-12-15 17:08:42
10	Jonatan Stodeman	1681	C++	2016-09-17 03:22:31

#	User	Length	Language	Date
1	David Cerenius	1479	Java	2021-10-11 15:29:14
2	Carl Nykvist	2872	Java	2015-10-18 10:20:54
3	Elias Leijonmarck	3072	Java	2021-09-30 18:13:54
4	Martin Kaller	3588	Java	2021-10-05 19:16:47
5	Martin Kaller	6773	Java	2021-10-07 12:49:48

#	User	Length	Language	Date
1	Lowe Kozak	867	Python 3	2021-09-28 23:25:45
2	Christoffer Lundell	876	Python 3	2023-10-24 16:35:59

Solution running time distribution