Problem D
Counting Subsequences (Hard) — Problem Statistics

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Submissions	959
Accepted submissions	339
Submission ratio	35.35%
Authors	229
Accepted authors	210
Author ratio	91.70%

#	User	Runtime	Language	Date
1	Kabir Batra	0.11 s	C++	2025-03-02 02:50:04
2	Milosz Fecko	0.29 s	C++	2025-02-28 03:12:22
3	Hamilton Wang	0.30 s	C++	2022-10-12 18:20:37
4	Anvit Sinha	0.30 s	C++	2022-10-14 04:01:01
5	Maanas Karwa	0.38 s	C++	2023-03-03 05:01:48
6	Leo Lee	0.39 s	C++	2023-02-25 03:46:52
7	Otavio Sartorelli de Toledo Piza	0.40 s	C++	2022-03-10 18:59:17
8	Burhanuddin Rajgara	0.44 s	C++	2023-02-24 18:49:18
9	Kaden Hardesty	0.44 s	C++	2023-10-10 04:02:01
10	Dev Patel	0.44 s	C++	2024-10-11 03:00:26

#	User	Runtime	Language	Date
1	Leon Wang	0.28 s	Java	2024-10-04 17:30:29
2	William Hyun	0.35 s	Java	2025-03-01 01:34:01
3	Dominic Danborn	0.38 s	Java	2022-03-08 20:12:22
4	Kumar Shashank	0.38 s	Java	2022-10-14 05:15:48
5	Alvin Lee	0.38 s	Java	2024-10-04 03:52:17
6	Pranay Nandkeolyar	0.40 s	Java	2025-03-02 21:57:00
7	Eric Xiao	0.41 s	Java	2022-03-09 22:08:33
8	Jimmy Dinh	0.41 s	Java	2023-02-24 16:06:01
9	Daniel Kun Zhang	0.41 s	Java	2025-02-28 00:56:28
10	Hidden user	0.41 s	Java	2025-03-06 18:46:59

#	User	Runtime	Language	Date
1	Nishka Awasthi	0.45 s	Python 2	2022-10-14 05:19:27

#	User	Runtime	Language	Date
1	Hargun Singh	0.41 s	Python 3	2024-10-11 01:46:31
2	Kai Tinkess	0.42 s	Python 3	2023-03-02 00:46:42
3	Hidden user	0.42 s	Python 3	2023-03-02 08:40:37
4	Aaruni Gupta	0.42 s	Python 3	2025-02-28 01:01:46
5	Hidden user	0.43 s	Python 3	2022-03-06 05:20:18
6	Aditya Behrani	0.43 s	Python 3	2022-10-13 04:52:24
7	Mahad Faruqi	0.43 s	Python 3	2023-10-13 03:17:51
8	Pedro Sugiyama	0.44 s	Python 3	2022-10-08 19:28:48
9	Jerry Mann	0.44 s	Python 3	2022-10-13 23:03:19
10	Grant McCord	0.44 s	Python 3	2022-10-14 01:33:36

#	User	Runtime	Language	Date
1	Hidden user	0.47 s	Python 3 with NumPy	2024-10-11 06:56:47
2	Ryan Tanaka	0.47 s	Python 3 with NumPy	2024-10-25 09:33:40
3	Krish Shah	0.49 s	Python 3 with NumPy	2024-10-10 20:01:24
4	Gilbert Hsu	0.52 s	Python 3 with NumPy	2023-10-08 17:54:35

#	User	Runtime	Language	Date
1	Anirudh Rao	0.18 s	Rust	2022-03-11 02:54:01
2	Eric Park	0.27 s	Rust	2025-02-28 02:21:16

#	User	Length	Language	Date
1	Ishan Goel	213	C++	2024-10-11 00:13:17
2	Jeffrey Wu	261	C++	2024-10-11 01:15:11
3	Seung Hyun Choi	357	C++	2022-03-11 05:58:23
4	Hidden user	382	C++	2022-03-11 05:28:42
5	Saad Sharief	407	C++	2022-10-14 05:49:44
6	Aryan	437	C++	2022-10-12 06:36:34
7	Swastik Agarwala	481	C++	2023-10-12 22:22:13
8	Aaryan Gautam	485	C++	2022-03-11 04:24:32
9	Estelle Yu	504	C++	2022-10-07 03:56:20
10	Nathan Andrews	515	C++	2024-10-09 22:01:25

#	User	Length	Language	Date
1	Rohan Gaddam	802	Java	2025-03-07 05:51:27
2	Aaryan Wadhwani	960	Java	2024-10-04 03:08:21
3	Arnav Daryani	963	Java	2024-10-09 08:38:03
4	Thanh Chi Le	1041	Java	2022-10-13 07:19:24
5	Peter Jin	1075	Java	2022-10-05 17:44:42
6	Caasi Boakye	1159	Java	2024-10-10 22:59:43
7	Ryan Kwong	1221	Java	2023-03-02 08:59:53
8	Srinjoy Dutta	1246	Java	2022-03-11 05:28:17
9	Ritwik Jain	1274	Java	2022-10-13 22:41:17
10	Yatin Kukreja	1328	Java	2023-02-26 04:13:41

#	User	Length	Language	Date
1	Nishka Awasthi	251	Python 2	2022-10-14 05:22:11

#	User	Length	Language	Date
1	bhavin	212	Python 3	2025-03-07 05:25:06
2	Varun Asuri	222	Python 3	2022-10-14 05:23:44
3	Hidden user	347	Python 3	2023-03-03 03:33:04
4	Thomas Caragol	352	Python 3	2024-10-11 00:14:46
5	Manas Srivastava	373	Python 3	2022-10-12 23:54:56
6	Aaruni Gupta	377	Python 3	2025-02-28 01:01:46
7	Hidden user	385	Python 3	2023-03-02 08:40:37
8	Angela Yan	429	Python 3	2024-10-09 18:50:51
9	Alex Liu	437	Python 3	2023-10-12 03:37:51
10	Yash Sinhal	442	Python 3	2022-10-13 22:43:13

#	User	Length	Language	Date
1	Gilbert Hsu	554	Python 3 with NumPy	2023-10-08 17:54:35
2	Hidden user	682	Python 3 with NumPy	2024-10-11 06:56:47
3	Ryan Tanaka	1278	Python 3 with NumPy	2024-10-25 09:33:40
4	Krish Shah	1669	Python 3 with NumPy	2024-10-10 20:01:24

#	User	Length	Language	Date
1	Anirudh Rao	1441	Rust	2022-03-11 02:54:01
2	Eric Park	3245	Rust	2025-02-28 02:21:16

Solution running time distribution