Problem A
Forest for the Trees — Problem Statistics

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Submissions	1386
Accepted submissions	332
Submission ratio	23.95%
Authors	354
Full solves [?]	268
Full solve Ratio	75.71%

#	User	Runtime	Language	Date
1	Oleg Smelov	0.00 s	C	2019-02-20 17:17:09
2	Kaaden RumanCam	0.00 s	C	2021-10-05 04:41:27

#	User	Runtime	Language	Date
1	Josenildo Silva	0.09 s	Go	2020-04-24 13:49:54

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2025-03-06 17:11:22

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Java	2018-11-03 17:39:13
2	Michael Zhang	0.05 s	Java	2018-11-03 20:40:50
3	Nithin Chalapathi	0.05 s	Java	2018-11-03 21:36:52
4	Sam Reinehr	0.05 s	Java	2018-11-04 04:44:06
5	Ho Lyun Jeong	0.06 s	Java	2022-01-31 00:15:56
6	James Hallstrom	0.07 s	Java	2018-11-03 20:07:49
7	Mark Bzomowski	0.07 s	Java	2018-11-03 21:18:58
8	Giuseppe Rizzi	0.07 s	Java	2018-11-10 04:39:26
9	Tanner Hoke	0.07 s	Java	2018-11-10 06:28:48
10	Collin Jakubik	0.08 s	Java	2021-11-02 18:04:23

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2025-07-24 08:28:35

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-10-21 23:30:26
2	Matt Iverson	0.22 s	Kotlin	2018-11-03 20:33:31

#	User	Runtime	Language	Date
1	Måns Magnusson	0.03 s	Python 2	2018-11-10 14:57:03
2	Maj Stenmark	0.03 s	Python 2	2018-11-13 20:10:50
3	Lars Åström	0.03 s	Python 2	2018-11-15 15:41:41
4	Fan Zhang	0.03 s	Python 2	2019-05-12 00:51:29
5	Andreas Björklund	0.03 s	Python 2	2021-11-08 07:10:44
6	Dmitry Lyubshin	0.04 s	Python 2	2018-11-05 02:34:15
7	Anton Lyxell	0.05 s	Python 2	2019-12-02 18:21:47
8	Thomas Feld	0.06 s	Python 2	2019-10-17 09:52:17

#	User	Runtime	Language	Date
1	Martin Tran	0.02 s	Python 3	2018-11-03 18:39:06
2	Miles Wood	0.02 s	Python 3	2018-11-03 21:49:17
3	Ragur Krishnan	0.02 s	Python 3	2018-11-03 21:54:51
4	Sky Brock	0.02 s	Python 3	2018-11-04 05:02:41
5	Daniel Powell	0.02 s	Python 3	2018-11-04 05:40:02
6	Josip Smolcic	0.02 s	Python 3	2018-11-06 06:46:24
7	Lucas Walgren	0.02 s	Python 3	2018-11-09 22:22:24
8	Steven Deutekom	0.02 s	Python 3	2018-11-24 05:05:53
9	Lester Muñoz	0.02 s	Python 3	2019-03-26 20:58:53
10	Vincent Tandya	0.02 s	Python 3	2019-05-16 11:06:17

#	User	Runtime	Language	Date
1	Miorel Palii	0.05 s	Ruby	2022-03-16 05:36:14
2	Thomas Feld	0.06 s	Ruby	2023-08-18 14:49:15

#	User	Runtime	Language	Date
1	Aram Ebtekar	0.00 s	Rust	2019-05-11 23:06:43
2	Vincent Lagerros	0.00 s	Rust	2024-05-19 13:18:45

#	User	Length	Language	Date
1	Oleg Smelov	997	C	2019-02-20 17:17:09
2	Kaaden RumanCam	1323	C	2023-09-29 01:27:20

#	User	Length	Language	Date
1	Evan Michael Bailey	495	C++	2024-02-05 05:45:34
2	Yeoh Han Yi	529	C++	2025-04-16 15:52:26
3	Zhuolin Yang	559	C++	2019-10-19 00:30:21
4	Quan Le	565	C++	2024-06-21 15:50:56
5	Vicente Opazo Schuster	589	C++	2023-02-12 00:57:25
6	Nathaniel Ang	629	C++	2020-12-02 11:57:36
7	Dario Petrillo	637	C++	2022-03-23 21:52:11
8	Thi Dai Loc	654	C++	2024-09-26 15:33:12
9	Johan Wind	658	C++	2018-11-18 01:40:00
10	Harry Phan	663	C++	2021-05-26 10:55:26

#	User	Length	Language	Date
1	Josenildo Silva	1303	Go	2020-04-24 13:49:54

#	User	Length	Language	Date
1	Brent Yorgey	1446	Haskell	2025-03-06 17:11:22

#	User	Length	Language	Date
1	Doug Goodman	835	Java	2019-02-20 15:36:19
2	Yufeng Zou	919	Java	2019-07-13 01:55:48
3	Darrin Wiley	1080	Java	2019-04-18 23:08:36
4	Duncan Page	1097	Java	2019-10-15 00:14:39
5	Hidden user	1301	Java	2018-11-03 17:39:13
6	Sam Reinehr	1301	Java	2018-11-04 04:44:06
7	Matthew Zhong	1314	Java	2019-03-23 20:04:58
8	Mark Bzomowski	1323	Java	2018-11-03 21:18:58
9	Gabriel Skoglund	1532	Java	2019-12-03 00:11:43
10	Qianlang Chen	1583	Java	2019-11-24 07:12:48

#	User	Length	Language	Date
1	Timothy Gaede	1593	Julia	2025-07-24 08:28:35

#	User	Length	Language	Date
1	Jacob Huebner	1097	Kotlin	2021-10-21 23:30:26
2	Matt Iverson	2547	Kotlin	2018-11-03 20:33:31

#	User	Length	Language	Date
1	Thomas Feld	369	Python 2	2019-10-17 09:52:17
2	Dmitry Lyubshin	379	Python 2	2018-11-05 02:34:15
3	Lars Åström	386	Python 2	2018-11-15 15:41:41
4	Måns Magnusson	535	Python 2	2018-11-10 14:57:03
5	Andreas Björklund	830	Python 2	2021-11-08 07:10:44
6	Maj Stenmark	899	Python 2	2018-11-13 20:10:50
7	Fan Zhang	946	Python 2	2019-05-12 00:51:29
8	Anton Lyxell	1050	Python 2	2019-12-02 18:21:47

#	User	Length	Language	Date
1	Benjamin Z White	196	Python 3	2023-08-05 16:56:46
2	Ahmed Chamseddine	302	Python 3	2025-08-17 00:08:57
3	Kelly Dance	332	Python 3	2023-09-18 21:29:52
4	Nejc Košmrl	336	Python 3	2023-08-22 20:42:42
5	Thibault Raffaillac	381	Python 3	2019-11-20 15:26:37
6	Casper Rysgaard	412	Python 3	2021-08-06 09:45:22
7	Marshall D Feng	426	Python 3	2023-01-25 00:16:34
8	Michael Y Cho	433	Python 3	2025-01-19 00:22:42
9	Thomas Vu	451	Python 3	2018-11-05 06:00:44
10	Ragur Krishnan	453	Python 3	2019-10-11 06:20:28

#	User	Length	Language	Date
1	Thomas Feld	151	Ruby	2023-08-18 14:54:46
2	Miorel Palii	586	Ruby	2022-03-16 05:36:14

#	User	Length	Language	Date
1	Aram Ebtekar	1565	Rust	2019-05-11 23:06:43
2	Vincent Lagerros	10922	Rust	2024-05-19 13:18:45

Solution running time distribution