Problem D
Counting Subsequences (Hard) — Problem Statistics

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Submissions	5140
Accepted submissions	1857
Submission ratio	36.13%
Authors	1429
Accepted authors	1205
Author ratio	84.32%

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	C	2016-05-15 12:18:37
2	Sanjiv Dinakar	0.26 s	C	2023-05-31 20:55:23
3	Ivan Petrov	0.28 s	C	2020-01-16 10:23:12

#	User	Runtime	Language	Date
1	traxex	0.43 s	C#	2024-05-07 15:43:16
2	Андрей Титов	0.52 s	C#	2015-12-29 10:20:33
3	Jayant Notani	0.57 s	C#	2020-04-03 23:16:35

#	User	Runtime	Language	Date
1	Prateek Jain	0.10 s	C++	2015-06-11 14:57:40
2	Clarence Chew	0.10 s	C++	2016-02-22 00:29:20
3	David Brink	0.10 s	C++	2018-08-22 04:01:18
4	Jonathan Hallström	0.10 s	C++	2023-12-13 13:00:30
5	Gabriel Goh Kheng Lin	0.11 s	C++	2016-12-03 08:48:24
6	Andri Már Sigurðsson	0.12 s	C++	2014-12-06 18:24:50
7	Andri Sigurðsson	0.12 s	C++	2014-12-17 10:12:44
8	Advait Parulekar	0.14 s	C++	2019-03-07 20:03:05
9	Kabir Batra	0.15 s	C++	2022-03-08 22:37:33
10	Hong Wei	0.15 s	C++	2022-03-28 02:20:38

#	User	Runtime	Language	Date
1	Norbert Voelker	0.56 s	Go	2022-01-16 16:45:33
2	LIU YUHANG	0.62 s	Go	2025-01-03 15:03:32

#	User	Runtime	Language	Date
1	Hidden user	0.81 s	Haskell	2022-08-02 15:27:47
2	Vasiliy Kevroletin	0.83 s	Haskell	2018-05-19 02:39:41
3	Fumiaki Takagi	0.92 s	Haskell	2023-01-31 06:41:27
4	Brent Yorgey	1.04 s	Haskell	2017-12-06 16:55:04
5	Juan Miguel Vilar	1.28 s	Haskell	2021-07-29 11:12:35

#	User	Runtime	Language	Date
1	Leon Wang	0.28 s	Java	2024-10-04 17:30:29
2	Simon Klein	0.36 s	Java	2011-12-13 16:14:11
3	Mehdi Maick	0.36 s	Java	2017-10-17 00:03:39
4	Asmus Tørsleff	0.36 s	Java	2022-04-06 13:17:51
5	Emil Bak-Møller	0.38 s	Java	2021-02-10 17:17:30
6	Dominic Danborn	0.38 s	Java	2022-03-08 20:12:22
7	Alvin Lee	0.38 s	Java	2024-10-04 03:52:17
8	Bjørn Dons	0.39 s	Java	2018-11-25 06:31:11
9	Crystal Sharpe	0.40 s	Java	2020-08-21 07:10:58
10	Hà Minh Ngọc	0.41 s	Java	2016-08-09 08:31:55

#	User	Runtime	Language	Date
1	Min-Zheng Shieh	0.74 s	Kotlin	2021-03-26 10:56:59
2	Allen Guan	0.76 s	Kotlin	2022-03-26 09:52:14
3	Adam Rankin	0.90 s	Kotlin	2023-05-10 05:59:45
4	Alexandre Conte	1.13 s	Kotlin	2021-08-24 20:56:53

#	User	Runtime	Language	Date
1	My Duc Tran	0.40 s	Python 3	2022-09-18 00:07:32
2	Abu bakar Daud	0.41 s	Python 3	2021-01-26 07:23:21
3	Dailun Li	0.41 s	Python 3	2022-09-14 21:53:10
4	Floor van de Leur	0.42 s	Python 3	2022-02-12 17:50:17
5	Hidden user	0.42 s	Python 3	2023-03-02 08:40:37
6	Probhonjon Baruah	0.43 s	Python 3	2020-07-10 08:58:06
7	Mikael Widenfalk	0.43 s	Python 3	2020-07-15 08:17:02
8	Houkai Qian	0.43 s	Python 3	2020-09-27 08:14:24
9	Logan Ralston	0.43 s	Python 3	2020-09-28 03:43:00
10	Austin Yan	0.43 s	Python 3	2020-09-28 09:42:01

#	User	Runtime	Language	Date
1	Clement Oh	0.72 s	Ruby	2024-03-01 08:23:10
2	Lara Hoya Trujillo	0.74 s	Ruby	2020-01-25 20:12:09

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.07 s	Rust	2024-05-31 02:48:41
2	Mario Rodriguez	0.10 s	Rust	2020-01-18 13:43:50
3	Chaoyi Yin	0.31 s	Rust	2019-01-31 02:13:19

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.07 s	Zig	2023-12-13 16:38:10

#	User	Length	Language	Date
1	Sanjiv Dinakar	2806	C	2023-05-31 20:55:23
2	Hidden user	4431	C	2016-05-15 12:18:37
3	Ivan Petrov	5549	C	2020-01-16 10:23:12

#	User	Length	Language	Date
1	traxex	603	C#	2024-05-07 15:43:16
2	Jayant Notani	1332	C#	2020-04-03 23:16:35
3	Андрей Титов	2222	C#	2015-12-29 10:20:33

#	User	Length	Language	Date
1	Hidden user	309	C++	2019-03-10 22:03:53
2	Aung Minn Khant	321	C++	2019-10-17 13:18:02
3	Elias	322	C++	2023-05-20 13:24:45
4	Victor Zheng	327	C++	2017-05-13 23:34:28
5	Reginald Frank	336	C++	2019-04-24 07:48:09
6	Hidden user	340	C++	2016-04-10 20:04:02
7	Naail Khan	346	C++	2023-10-01 20:32:18
8	Lim An Jun	347	C++	2023-01-02 14:26:52
9	Claire Duong	348	C++	2018-03-22 17:50:28
10	Rajat Singh	349	C++	2017-05-12 11:29:53

#	User	Length	Language	Date
1	Norbert Voelker	1052	Go	2022-01-16 16:45:33
2	LIU YUHANG	2748	Go	2025-01-03 15:03:32

#	User	Length	Language	Date
1	Brent Yorgey	1741	Haskell	2017-12-06 16:55:04
2	Hidden user	1868	Haskell	2022-08-02 15:33:44
3	Fumiaki Takagi	2148	Haskell	2023-01-31 06:41:27
4	Vasiliy Kevroletin	3000	Haskell	2018-05-19 02:39:41
5	Juan Miguel Vilar	4051	Haskell	2021-07-29 11:12:35

#	User	Length	Language	Date
1	Stephen Royal	585	Java	2015-08-20 17:26:46
2	Zimu Qin	613	Java	2015-07-31 15:23:20
3	Eroui Abdelaziz	630	Java	2019-02-27 11:02:04
4	Chris Lamb	716	Java	2016-10-22 03:47:04
5	Kyle Mutian Chen	716	Java	2016-10-22 04:06:26
6	Brennan Cleland	728	Java	2023-07-01 18:44:55
7	Hidden user	776	Java	2019-06-29 06:25:20
8	Kurtis Van Gent	795	Java	2016-04-15 17:56:42
9	Duncan Page	799	Java	2019-02-19 00:05:17
10	Drew Hoover	810	Java	2015-09-19 04:23:18

#	User	Length	Language	Date
1	Adam Rankin	687	Kotlin	2023-05-10 05:59:45
2	Min-Zheng Shieh	819	Kotlin	2021-03-26 10:56:59
3	Allen Guan	956	Kotlin	2022-03-26 09:52:14
4	Alexandre Conte	1087	Kotlin	2021-08-24 20:56:53

#	User	Length	Language	Date
1	Midas Kiebert	124	Python 3	2024-04-08 21:52:52
2	Yohannes Melese	135	Python 3	2023-09-08 14:11:15
3	Lee Isaac	136	Python 3	2023-01-02 17:22:57
4	Joseph Scholl	192	Python 3	2023-09-15 03:42:32
5	Oskar Haarklou Veileborg	202	Python 3	2020-05-11 10:36:09
6	Farzam Abrishami	216	Python 3	2024-01-20 20:38:42
7	Varun Asuri	222	Python 3	2022-10-14 05:23:44
8	Victor Zheng	228	Python 3	2017-05-13 23:29:21
9	Nicholas Russell Saerang	237	Python 3	2023-02-20 21:39:02
10	Yuran Zhang	237	Python 3	2023-09-21 14:07:33

#	User	Length	Language	Date
1	Clement Oh	205	Ruby	2024-03-01 08:23:10
2	Lara Hoya Trujillo	713	Ruby	2020-01-25 20:12:09

#	User	Length	Language	Date
1	Mario Rodriguez	1581	Rust	2020-01-22 19:14:59
2	Vincent Lagerros	4297	Rust	2024-05-20 20:12:02
3	Chaoyi Yin	22220	Rust	2019-01-31 02:13:19

#	User	Length	Language	Date
1	Jonathan Hallström	1523	Zig	2023-12-13 13:58:12

Solution running time distribution