Problem C
Counting Subsequences (Hard) — Problem Statistics

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Submissions	312
Accepted submissions	86
Submission ratio	27.56%
Authors	65
Accepted authors	52
Author ratio	80.00%

#	User	Runtime	Language	Date
1	Andri Már Sigurðsson	0.12 s	C++	2014-12-06 18:24:50
2	James Elías Sigurðarson	0.28 s	C++	2016-04-27 12:03:25
3	Unnar Freyr Erlendsson	0.36 s	C++	2016-04-27 17:41:37
4	Arnar Bjarni Arnarson	0.37 s	C++	2016-04-29 04:33:24
5	Hrafn Logi Hermannsson	0.37 s	C++	2020-05-02 15:38:09
6	Egill Örn Benediktsson	0.37 s	C++	2021-04-28 20:52:23
7	Arnar Kári Ágústsson	0.38 s	C++	2014-12-04 18:47:42
8	Valeriu Motroi	0.39 s	C++	2016-05-01 18:08:06
9	Miguel Angel Perez Colula	0.39 s	C++	2016-08-08 23:24:00
10	Darri Steinn Konráðsson	0.40 s	C++	2014-12-05 09:47:38

#	User	Runtime	Language	Date
1	Snæbjörn Þórir Eyjólfsson	0.56 s	Java	2014-12-05 12:06:23
2	Hidden user	0.57 s	Java	2014-12-05 12:13:54
3	Steinar Eyþór Valsson	0.57 s	Java	2014-12-07 20:50:17
4	Sigurþór Björgvinsson	0.60 s	Java	2014-12-07 20:38:07
5	Hrafnkell Baldursson	0.69 s	Java	2014-12-07 02:57:29

#	User	Runtime	Language	Date
1	Hlynur “Glitch” Óskar Guðmundsson	0.40 s	Python 2	2018-04-29 18:00:04

#	User	Runtime	Language	Date
1	Egill	0.43 s	Python 3	2021-04-28 21:43:56
2	Alexander Ragnarsson	0.46 s	Python 3	2021-04-28 15:24:18
3	Bent Ari Gunnarsson	0.47 s	Python 3	2021-04-28 16:32:07
4	Guðný Lára Guðmundsdóttir	1.01 s	Python 3	2018-04-28 16:31:57
5	Sigurjón Freyr Viktorsson	1.16 s	Python 3	2016-04-27 18:01:08

#	User	Length	Language	Date
1	Valeriu Motroi	387	C++	2016-05-01 18:08:06
2	Arnþór Logi Arnarson	393	C++	2020-05-03 15:40:04
3	Arnar Bjarni Arnarson	451	C++	2016-04-29 00:21:35
4	Unnar Freyr Erlendsson	504	C++	2016-04-27 17:23:46
5	Miguel Angel Perez Colula	550	C++	2016-08-08 23:24:00
6	Hidden user	581	C++	2014-12-04 15:21:24
7	Hidden user	591	C++	2014-12-04 15:41:08
8	Björn Orri Sæmundsson	600	C++	2014-12-04 16:11:08
9	Kári Mímisson	650	C++	2014-12-07 04:14:13
10	Davíð Guðni Halldórsson	694	C++	2014-12-15 18:29:42

#	User	Length	Language	Date
1	Hidden user	2387	Java	2014-12-05 12:13:54
2	Snæbjörn Þórir Eyjólfsson	3033	Java	2014-12-05 12:06:23
3	Hrafnkell Baldursson	3272	Java	2014-12-07 02:59:12
4	Sigurþór Björgvinsson	3465	Java	2014-12-07 20:38:07
5	Steinar Eyþór Valsson	3545	Java	2014-12-07 20:50:17

#	User	Length	Language	Date
1	Hlynur “Glitch” Óskar Guðmundsson	409	Python 2	2018-04-29 18:00:04

#	User	Length	Language	Date
1	Sigurjón Freyr Viktorsson	385	Python 3	2016-04-27 18:01:08
2	Egill	420	Python 3	2021-04-28 21:49:59
3	Alexander Ragnarsson	481	Python 3	2021-04-28 15:24:18
4	Bent Ari Gunnarsson	635	Python 3	2021-04-28 16:32:07
5	Guðný Lára Guðmundsdóttir	640	Python 3	2018-04-28 16:31:57

Solution running time distribution