Problem F
Sequence Reduction — Problem Statistics

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Submissions	766
Accepted submissions	357
Submission ratio	46.61%
Authors	206
Full solves [?]	134
Full solve Ratio	65.05%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2023-10-29 11:25:37

#	User	Score	Language	Date
1	Anton Lyxell	100	C	2017-09-22 15:04:30
2	Miguel Müller	100	C	2017-09-22 17:20:47
3	Lars Hummelgren	100	C	2017-09-22 17:25:16
4	Ivan Petrov	100	C	2019-05-17 10:53:40
5	vance	100	C	2020-03-19 03:39:25
6	Andreas Björklund	100	C	2023-01-06 09:53:01
7	Lawry Sorenson	100	C	2023-08-04 20:38:35

#	User	Score	Language	Date
1	Hidden user	100	C#	2018-06-22 20:39:28
2	Shubham Deshmukh	100	C#	2022-10-07 03:06:00

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-03-17 19:29:14

#	User	Score	Language	Date
1	Mason Anderson	50	Haskell	2022-09-30 06:46:09
2	Alex Loiko	50	Haskell	2023-01-22 17:30:48

#	User	Score	Language	Date
1	Carl Bordum	100	Java	2018-04-18 20:27:33
2	Doug Goodman	100	Java	2019-09-21 20:02:20
3	Liam Keliher	100	Java	2019-10-09 01:54:05
4	Crystal Sharpe	100	Java	2020-06-17 17:02:11
5	Bjørn Dons	100	Java	2023-01-15 19:30:49
6	Mattias Gustafsson	100	Java	2023-01-18 17:20:09
7	Guangyi Zhou	100	Java	2025-05-18 05:52:22
8	Vineet Mor	50	Java	2022-10-07 21:05:12
9	Brent Yorgey	50	Java	2022-12-06 18:51:34

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2023-01-24 17:58:05
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-01-26 19:38:47

#	User	Score	Language	Date
1	Timothy Gaede	30	Julia	2024-09-19 17:48:41

#	User	Score	Language	Date
1	Hermon Mulat	100	Python 2	2018-12-17 23:01:01
2	Anton Lyxell	100	Python 2	2019-12-05 01:57:41
3	Hidden user	100	Python 2	2020-02-29 00:13:43
4	Lars Åström	50	Python 2	2019-10-04 00:51:59

#	User	Score	Language	Date
1	Markus Andreasson	100	Ruby	2023-01-13 21:06:26
2	Thomas Feld	100	Ruby	2023-01-26 14:08:54
3	Chenzhang Hu	100	Ruby	2024-04-15 14:59:38

#	User	Score	Language	Date
1	Niklas Sandén	100	Rust	2023-01-16 19:49:55
2	Daniel Anker Hermansen	100	Rust	2025-05-28 11:34:00

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.39 s	Bash	2024-04-15 14:58:43

#	User	Runtime	Language	Date
1	Anton Lyxell	0.02 s	C	2017-09-22 15:20:50
2	Miguel Müller	0.02 s	C	2017-09-22 17:20:47
3	Lars Hummelgren	0.02 s	C	2017-09-22 17:25:16
4	Lawry Sorenson	0.03 s	C	2023-08-04 20:38:35
5	vance	0.11 s	C	2020-03-19 03:39:25
6	Andreas Björklund	0.11 s	C	2023-01-06 10:15:41
7	Ivan Petrov	0.12 s	C	2019-05-17 10:53:40

#	User	Runtime	Language	Date
1	Shubham Deshmukh	0.50 s	C#	2022-10-07 03:06:00
2	Hidden user	0.67 s	C#	2018-06-22 20:39:28

#	User	Runtime	Language	Date
1	Lawry Sorenson	0.03 s	C++	2023-08-04 20:36:25
2	Alexander Kravberg	0.03 s	C++	2023-08-20 01:05:47
3	Frank Endriss	0.04 s	C++	2021-04-06 16:53:27
4	Kristoffer Åhgren	0.09 s	C++	2020-01-23 11:06:49
5	Johan Sannemo	0.09 s	C++	2021-10-30 12:33:58
6	Zhu Xiaochen	0.09 s	C++	2022-08-19 14:28:23
7	Mutiraj Laksanawisit	0.09 s	C++	2023-04-22 03:52:26
8	Christian Yongwhan Lim	0.09 s	C++	2023-06-21 19:11:45
9	Gunnsteinn Þór Ólason	0.09 s	C++	2025-03-11 22:18:29
10	Ivar Lee Fevang	0.09 s	C++	2025-12-13 16:07:02

#	User	Runtime	Language	Date
1	Norbert Voelker	0.06 s	Go	2023-03-17 19:29:14

#	User	Runtime	Language	Date
1	Bjørn Dons	0.21 s	Java	2023-01-15 19:30:49
2	Guangyi Zhou	0.23 s	Java	2025-05-18 05:52:22
3	Liam Keliher	0.24 s	Java	2019-10-09 01:54:05
4	Doug Goodman	0.28 s	Java	2022-07-12 23:56:55
5	Carl Bordum	0.34 s	Java	2018-04-18 20:27:33
6	Mattias Gustafsson	0.43 s	Java	2023-01-18 17:20:09
7	Crystal Sharpe	0.81 s	Java	2020-06-17 17:02:11

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.27 s	JavaScript (SpiderMonkey)	2023-01-24 17:58:05
2	Christian Pilegaard Cederquist	0.32 s	JavaScript (SpiderMonkey)	2023-01-26 19:38:47

#	User	Runtime	Language	Date
1	Anton Lyxell	0.23 s	Python 2	2019-12-05 01:57:41
2	Hermon Mulat	0.27 s	Python 2	2018-12-17 23:01:01
3	Hidden user	0.28 s	Python 2	2020-02-29 00:13:43

#	User	Runtime	Language	Date
1	Peter Stauder	0.19 s	Python 3	2023-03-26 17:14:13
2	Ryan Farrell	0.19 s	Python 3	2023-07-11 02:40:52
3	Paco Criado	0.19 s	Python 3	2025-02-20 13:08:06
4	Ole Vik Lysne	0.22 s	Python 3	2025-01-23 16:43:00
5	Vincent Tandya	0.24 s	Python 3	2019-02-26 05:50:51
6	Hidden user	0.24 s	Python 3	2019-06-12 16:08:29
7	Markus Andreasson	0.25 s	Python 3	2023-01-06 15:19:51
8	Andreas Björklund	0.25 s	Python 3	2023-01-13 22:08:43
9	Yong Mao	0.25 s	Python 3	2023-02-01 04:32:02
10	Lee Isaac	0.25 s	Python 3	2023-04-07 08:50:43

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.33 s	Ruby	2024-04-15 14:59:38
2	Thomas Feld	0.40 s	Ruby	2023-01-27 09:38:49
3	Markus Andreasson	0.52 s	Ruby	2023-01-13 21:06:26

#	User	Runtime	Language	Date
1	Niklas Sandén	0.06 s	Rust	2023-01-16 19:55:49
2	Daniel Anker Hermansen	0.64 s	Rust	2025-05-28 11:34:00

#	User	Length	Language	Date
1	Chenzhang Hu	48	Bash	2025-09-13 03:15:29

#	User	Length	Language	Date
1	Andreas Björklund	225	C	2023-01-06 10:36:34
2	Anton Lyxell	275	C	2017-09-24 19:43:19
3	Lawry Sorenson	330	C	2023-08-04 20:38:35
4	Miguel Müller	563	C	2017-09-26 22:49:27
5	Lars Hummelgren	599	C	2017-09-22 17:25:16
6	vance	1062	C	2020-03-19 03:39:25
7	Ivan Petrov	1171	C	2019-05-17 10:53:40

#	User	Length	Language	Date
1	Shubham Deshmukh	775	C#	2022-10-07 03:06:00
2	Hidden user	4569	C#	2018-06-22 20:45:23

#	User	Length	Language	Date
1	Andreas Grigorjew	213	C++	2019-02-15 02:29:37
2	Anton Lyxell	249	C++	2019-03-11 06:21:29
3	Au Chen Xi, Gabriel	262	C++	2022-09-25 16:56:56
4	Ernest Ng Zi Xuan	266	C++	2025-07-03 02:43:55
5	Joel Niemelä	288	C++	2022-01-21 16:43:55
6	Muhammad Ayaz Dzulfikar	305	C++	2018-04-29 15:14:02
7	Thomas Hawks	339	C++	2025-02-26 01:57:20
8	Lawry Sorenson	348	C++	2023-08-04 20:34:37
9	Mutiraj Laksanawisit	386	C++	2023-04-22 03:52:26
10	Gunnsteinn Þór Ólason	388	C++	2025-03-11 22:18:29

#	User	Length	Language	Date
1	Norbert Voelker	571	Go	2023-03-17 19:29:14

#	User	Length	Language	Date
1	Doug Goodman	769	Java	2019-09-21 20:02:20
2	Liam Keliher	954	Java	2019-10-09 01:54:05
3	Carl Bordum	1195	Java	2018-04-18 20:27:33
4	Mattias Gustafsson	1590	Java	2023-01-18 17:20:09
5	Crystal Sharpe	1912	Java	2020-06-17 17:02:11
6	Guangyi Zhou	2753	Java	2025-05-18 10:23:04
7	Bjørn Dons	5586	Java	2023-01-15 19:30:49

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	76	JavaScript (SpiderMonkey)	2023-01-26 19:54:37
2	Bjørn Chr. Soltvedt	110	JavaScript (SpiderMonkey)	2023-01-24 18:31:32

#	User	Length	Language	Date
1	Anton Lyxell	138	Python 2	2019-12-05 01:57:41
2	Hermon Mulat	797	Python 2	2018-12-17 23:01:01
3	Hidden user	833	Python 2	2020-02-29 00:13:43

#	User	Length	Language	Date
1	Andreas Björklund	50	Python 3	2023-01-19 11:00:03
2	Markus Andreasson	50	Python 3	2023-01-19 11:25:35
3	Benjamin Z White	50	Python 3	2023-05-03 00:39:02
4	Clement Oh	50	Python 3	2023-06-02 06:46:09
5	Nicholas Russell Saerang	55	Python 3	2024-10-12 16:08:18
6	Russell	55	Python 3	2025-09-22 05:57:37
7	Noah Hessen Bjerke	58	Python 3	2025-11-19 15:29:06
8	Peter Stauder	87	Python 3	2023-03-26 17:16:53
9	Thore Husfeldt	96	Python 3	2023-12-15 21:26:21
10	Jonatan Nilsson	98	Python 3	2023-01-19 08:06:27

#	User	Length	Language	Date
1	Chenzhang Hu	39	Ruby	2024-05-23 18:02:26
2	Thomas Feld	42	Ruby	2023-01-27 09:38:49
3	Markus Andreasson	51	Ruby	2023-01-13 21:06:26

#	User	Length	Language	Date
1	Daniel Anker Hermansen	16898	Rust	2025-05-28 11:34:00
2	Niklas Sandén	25918	Rust	2023-01-16 19:55:49

Solution running time distribution