Problem A
Counting Subsequences (Hard) — Problem Statistics

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Submissions	644
Accepted submissions	185
Submission ratio	28.73%
Authors	166
Accepted authors	153
Author ratio	92.17%

#	User	Runtime	Language	Date
1	Jayant Notani	0.57 s	C#	2020-04-03 23:16:35

#	User	Runtime	Language	Date
1	Advait Parulekar	0.14 s	C++	2019-03-07 20:03:05
2	Hidden user	0.23 s	C++	2019-03-05 02:56:46
3	Tanner Hoke	0.23 s	C++	2019-03-06 00:01:06
4	Hidden user	0.27 s	C++	2019-03-15 06:27:10
5	Jonathan Grimes	0.29 s	C++	2018-03-13 23:27:24
6	Austin Burkhalter	0.29 s	C++	2021-03-07 06:44:57
7	Frank DiRosa	0.31 s	C++	2018-03-17 01:46:29
8	Joshua Duncan	0.32 s	C++	2018-03-18 03:18:37
9	Hidden user	0.33 s	C++	2018-03-06 18:38:10
10	Elliott Dobbs	0.33 s	C++	2018-03-17 22:45:17

#	User	Runtime	Language	Date
1	Hidden user	0.59 s	Java	2021-02-28 21:15:29
2	Ezekiel Blevins	0.64 s	Java	2021-03-07 01:46:57
3	Derrick Galindo	0.66 s	Java	2021-03-06 02:40:57
4	Hidden user	0.78 s	Java	2021-03-06 23:06:55
5	Nathan Leake	1.28 s	Java	2017-02-17 23:07:55
6	Sai Kurelli	1.35 s	Java	2020-04-05 02:44:57

#	User	Runtime	Language	Date
1	Hidden user	0.43 s	Python 3	2021-03-01 21:32:00
2	Jacob Hamilton	0.44 s	Python 3	2021-03-07 00:31:42
3	Siyuan Yang	0.45 s	Python 3	2021-03-01 19:58:25
4	Muhammad Nauman	0.48 s	Python 3	2021-03-07 03:51:44
5	Peyton Powers	0.48 s	Python 3	2021-03-07 04:32:55
6	Rosendo Narvaez	0.54 s	Python 3	2021-03-06 23:13:34
7	Kipp Corman	0.57 s	Python 3	2021-03-01 03:13:26
8	Ryan Wells	0.58 s	Python 3	2020-04-04 00:20:40
9	Akash Ramesh Rao	0.60 s	Python 3	2020-04-04 00:12:49
10	Alejandro Londono	0.60 s	Python 3	2020-04-08 18:41:23

#	User	Length	Language	Date
1	Jayant Notani	1332	C#	2020-04-03 23:16:35

#	User	Length	Language	Date
1	Hidden user	309	C++	2019-03-10 22:03:53
2	Reginald Frank	336	C++	2019-04-24 07:48:09
3	Claire Duong	348	C++	2018-03-22 17:50:28
4	Hidden user	393	C++	2017-02-12 03:48:44
5	Hidden user	453	C++	2021-03-07 02:10:06
6	Nikolas Turman	474	C++	2021-03-07 04:33:47
7	Presley Graham	492	C++	2021-03-07 22:00:22
8	Nghiep Chinh Luu	501	C++	2020-04-03 22:16:48
9	Chase Hinesman	507	C++	2018-03-07 19:00:19
10	Hidden user	520	C++	2018-03-18 02:03:16

#	User	Length	Language	Date
1	Nathan Leake	878	Java	2017-02-17 23:07:55
2	Sai Kurelli	983	Java	2020-04-05 02:44:57
3	Hidden user	1353	Java	2021-03-06 23:06:55
4	Hidden user	1592	Java	2021-02-28 21:15:29
5	Derrick Galindo	1877	Java	2021-03-06 02:40:57
6	Ezekiel Blevins	2150	Java	2021-03-07 01:46:57

#	User	Length	Language	Date
1	Jacob Hamilton	321	Python 3	2021-03-07 00:31:42
2	Ross Hardin	362	Python 3	2020-04-04 00:18:16
3	Olin Zhou	387	Python 3	2021-03-07 04:15:13
4	Ryan Conn	403	Python 3	2020-04-03 23:44:32
5	Yifei Liang	446	Python 3	2021-02-28 20:08:20
6	Xiangqi Jiang	446	Python 3	2021-03-06 08:14:54
7	Anthony Teo	465	Python 3	2020-04-04 00:10:22
8	Hidden user	467	Python 3	2020-04-10 05:19:27
9	Akash Ramesh Rao	472	Python 3	2020-04-04 00:12:49
10	Scott Steinhauser	480	Python 3	2020-04-04 01:03:21

Solution running time distribution