Problem A
Catalan Numbers

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Problem statistics

Submissions	4249
Accepted submissions	1617
Submission ratio	38.06%
Authors	1202
Accepted authors	994
Author ratio	82.70%

#	User	Runtime	Date
1	Chenzhang Hu	1.20 s	2023-10-10 15:52:21

#	User	Runtime	Date
1	Johannes Svensson	0.00 s	2009-11-16 15:42:15
2	Henrik Sjögren	0.02 s	2006-12-06 19:05:26
3	Mats Linander	0.02 s	2006-12-07 11:49:33
4	Paulo Bu	0.33 s	2015-02-23 22:55:10

#	User	Runtime	Date
1	Mads Storm Hansen	0.20 s	2015-07-21 18:39:26
2	Marek	0.20 s	2016-10-19 18:55:36
3	Thomas Østergaard	0.20 s	2020-06-06 14:07:28
4	Andrzej Krajniak	0.21 s	2016-10-19 19:06:34
5	Joel Keleta	0.21 s	2019-09-17 23:44:41
6	Daniel Materowski	0.34 s	2016-10-19 20:38:30
7	Robert Warnestam	0.74 s	2020-03-27 09:57:26
8	Andriy Zyevakov	0.85 s	2019-07-03 12:54:54

#	User	Runtime	Date
1	Evan Michael Bailey	0.01 s	2023-03-17 22:56:15
2	Atharva Nagarkar	0.02 s	2020-04-15 09:18:29
3	Emerson Leonardo Lucena	0.02 s	2020-11-06 20:05:27
4	Dirk Neuhäuser	0.02 s	2021-05-09 22:52:34
5	YanHao Ling	0.03 s	2018-01-18 14:50:48
6	Per Almquist	0.04 s	2009-11-16 18:48:07
7	Mikael Gerdin	0.04 s	2009-11-22 15:10:36
8	Christian Yongwhan Lim	0.06 s	2020-07-11 01:33:06
9	Hidden user	0.16 s	2018-06-15 15:00:09
10	Ollanta Cuba Gyllensten	0.19 s	2009-11-30 07:48:59

#	User	Runtime	Date
1	Peter Hjalmarsson	0.12 s	2021-04-13 22:02:37

#	User	Runtime	Date
1	Jacob Harris Cryer Kragh	0.12 s	2023-09-14 19:02:14

#	User	Runtime	Date
1	Iker Lissarrague	0.02 s	2023-10-03 07:54:41
2	Leonardo Gurgel	0.10 s	2021-06-23 01:49:12
3	Norbert Voelker	0.10 s	2023-03-22 17:39:10
4	Christian Vestergaard	0.36 s	2021-01-03 12:47:50
5	Bruno Volpato	1.31 s	2020-06-06 02:34:05

#	User	Runtime	Date
1	David Wärn	0.03 s	2015-09-18 14:05:38
2	Isaac Arvestad	0.03 s	2019-09-12 10:26:13
3	Harrison Shen	0.03 s	2020-10-08 16:29:59
4	Fulano de Tal	0.03 s	2022-01-17 17:45:40
5	Brent Yorgey	0.03 s	2024-03-25 00:46:44
6	Justin Grubbs	0.03 s	2024-03-25 21:32:03
7	Hidden user	0.04 s	2014-12-15 14:24:06
8	Joakim Blikstad	0.04 s	2015-09-16 12:23:49
9	Erik Tjøswold	0.04 s	2018-04-26 17:25:18
10	Udo Stenzel	0.04 s	2020-06-06 15:32:17

#	User	Runtime	Date
1	Samuel Klingström	0.19 s	2017-07-16 01:18:57
2	Hans Gylling	0.37 s	2010-02-05 06:43:28
3	Simon Klein	0.38 s	2011-12-02 18:46:39
4	Teddy Hartanto	0.38 s	2016-04-06 07:00:29
5	Tan Jun An	0.38 s	2017-02-04 11:16:17
6	Fredrik Atmer	0.39 s	2007-11-21 17:14:43
7	Hidden user	0.39 s	2007-11-23 17:21:58
8	Christian Adåker	0.39 s	2007-11-25 23:48:45
9	Jonas Moberg	0.39 s	2008-11-14 13:29:27
10	Mark Bartish	0.39 s	2008-11-29 14:53:29

#	User	Runtime	Date
1	Thomas Draper	0.21 s	2023-06-21 02:13:32
2	Bas Dirks	1.51 s	2022-02-07 16:39:02

#	User	Runtime	Date
1	Thomas Draper	0.15 s	2023-06-21 02:20:04
2	Christian Cederquist	0.92 s	2023-04-11 11:08:29

#	User	Runtime	Date
1	Timothy Gaede	0.64 s	2024-04-22 02:59:16
2	Danny Robinson	0.82 s	2023-10-13 00:07:47

#	User	Runtime	Date
1	Hidden user	0.56 s	2021-05-08 20:28:55
2	Lasse Møldrup	0.60 s	2023-11-25 22:50:42
3	Jacob Huebner	0.64 s	2021-05-08 19:24:54
4	Hidden user	0.74 s	2020-02-23 17:51:22
5	Benjamin Sølvberg Buan	1.82 s	2020-10-08 09:28:45
6	Hidden user	2.00 s	2021-03-11 08:39:54

#	User	Runtime	Date
1	Maj Stenmark	0.07 s	2018-07-15 18:53:24
2	Ásþór Björnsson	0.07 s	2019-04-09 13:54:49
3	Johan Lyts	0.07 s	2019-04-10 22:24:32
4	Garðar Ingvarsson	0.07 s	2019-09-22 22:11:46
5	Agis Daniels	0.07 s	2020-04-04 18:15:53
6	Thomas Feld	0.07 s	2020-06-24 09:51:29
7	Yanmarshus Bachtiar	0.07 s	2020-09-28 14:35:13
8	Tore Norderud	0.08 s	2014-12-25 03:26:23
9	Håkon Verås	0.08 s	2015-04-22 00:17:48
10	Christopher Mårtensson	0.08 s	2015-05-02 23:37:39

#	User	Runtime	Date
1	Hidden user	0.05 s	2013-10-11 01:32:44
2	Hidden user	0.05 s	2017-06-20 13:20:10
3	Tan Chee Heng	0.05 s	2017-12-02 04:35:43
4	Ram Basnet	0.05 s	2017-12-12 04:45:50
5	Kristoffer Åhgren	0.05 s	2018-02-28 21:02:49
6	James Black	0.05 s	2018-05-27 03:12:23
7	James Elías Sigurðarson	0.06 s	2015-06-19 22:42:55
8	Hidden user	0.06 s	2015-11-08 21:39:46
9	Vincent Chow Zhi Yang	0.06 s	2016-01-19 08:52:26
10	William Granados	0.06 s	2016-03-10 13:14:29

#	User	Runtime	Date
1	Casper Christensen	0.05 s	2016-02-13 14:17:29
2	Miorel Palii	0.05 s	2017-12-27 20:58:25
3	Qing Hao Chu	0.05 s	2017-12-28 18:52:34
4	Lee Tze Han	0.06 s	2018-06-28 12:05:54
5	Hidden user	0.07 s	2019-06-21 15:55:01
6	Thomas Feld	0.08 s	2023-02-02 12:29:44
7	Yung-Luen Lan	0.17 s	2016-08-02 19:25:16
8	Hidden user	0.83 s	2021-03-12 03:56:42

#	User	Runtime	Date
1	Thomas Draper	0.21 s	2023-06-21 02:06:02

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-04 16:29:51

#	User	Length	Date
1	Paulo Bu	2732	2015-02-23 22:55:10
2	Henrik Sjögren	3713	2006-12-07 00:14:43
3	Mats Linander	3713	2006-12-07 11:49:33
4	Johannes Svensson	7532547	2009-11-16 15:42:15

#	User	Length	Date
1	Marek	760	2016-10-19 18:55:36
2	Joel Keleta	1103	2019-09-17 23:44:41
3	Mads Storm Hansen	1690	2015-07-21 18:39:26
4	Daniel Materowski	1874	2016-10-19 20:38:30
5	Thomas Østergaard	1899	2020-06-06 14:07:28
6	Andrzej Krajniak	7848	2016-10-19 19:06:34
7	Andriy Zyevakov	10674	2019-07-03 12:54:54
8	Robert Warnestam	20293	2020-03-27 09:57:26

#	User	Length	Date
1	Hidden user	919	2018-06-15 15:00:09
2	Nguyễn Minh Tú	921	2015-11-08 20:15:27
3	張瑋倫	1094	2024-04-02 15:19:45
4	Evan Michael Bailey	1164	2023-03-17 18:06:40
5	Hidden user	1518	2020-04-07 06:06:50
6	amalia hategan	1891	2020-12-22 12:35:17
7	Dan Petri	2027	2020-12-22 12:04:37
8	Ana Maria Dumitrache	2129	2020-12-22 11:47:46
9	Mara Horea	2129	2020-12-22 12:02:49
10	I Lucian	2131	2020-12-22 11:33:08

#	User	Length	Date
1	Peter Hjalmarsson	660	2021-04-13 22:02:37

#	User	Length	Date
1	Jacob Harris Cryer Kragh	601	2023-09-14 19:02:14

#	User	Length	Date
1	Bruno Volpato	674	2020-06-06 02:34:05
2	Iker Lissarrague	701	2023-10-03 07:54:41
3	Norbert Voelker	728	2023-03-22 17:40:45
4	Leonardo Gurgel	1215	2021-06-23 01:49:12
5	Christian Vestergaard	1625	2021-01-03 12:49:36

#	User	Length	Date
1	David Wärn	92	2015-03-04 17:45:36
2	Joakim Blikstad	111	2015-05-27 15:26:15
3	Udo Stenzel	162	2020-06-06 15:07:08
4	Paul Wild	180	2018-05-16 12:42:00
5	Monique Oliveira	205	2021-06-19 04:42:26
6	David Kaméus	216	2022-02-27 18:29:15
7	กฤษฏิ์ พรไพรินทร์	220	2017-12-18 06:36:57
8	Leslie Yip	223	2022-10-08 10:43:57
9	Lars Tveito	244	2015-07-01 07:51:02
10	James Rettie	247	2023-03-16 06:58:58

#	User	Length	Date
1	William Gan	449	2017-02-16 16:24:28
2	Zimu Qin	502	2015-07-19 11:16:47
3	Emilie Hyslop	558	2020-12-30 04:34:37
4	Michael Zündorf	567	2018-12-07 10:17:00
5	Dylan Smith	571	2020-11-10 05:17:47
6	Hidden user	581	2017-10-14 19:54:59
7	Ulf Lundström	602	2006-12-05 21:30:23
8	손상준	602	2015-11-14 07:42:35
9	Max Owen	606	2023-03-10 17:02:20
10	Jagruti Gunjal	607	2017-05-31 12:08:08

#	User	Length	Date
1	Thomas Draper	237	2023-06-21 02:15:06
2	Bas Dirks	554	2022-02-07 16:39:02

#	User	Length	Date
1	Thomas Draper	170	2023-06-21 02:20:04
2	Christian Cederquist	429	2023-04-11 11:08:29

#	User	Length	Date
1	Danny Robinson	81	2023-10-13 00:07:47
2	Timothy Gaede	630	2024-04-22 02:59:16

#	User	Length	Date
1	Lasse Møldrup	486	2023-11-25 22:50:42
2	Hidden user	622	2020-02-23 17:51:22
3	Jacob Huebner	646	2021-05-08 19:24:54
4	Hidden user	654	2021-03-11 08:39:54
5	Hidden user	692	2021-05-08 20:28:55
6	Benjamin Sølvberg Buan	2081	2020-10-08 09:28:45

#	User	Length	Date
1	Dmitry Lyubshin	119	2018-03-09 00:28:09
2	Guan Yang Ze	132	2019-09-20 11:29:37
3	Cherim	139	2017-11-01 16:34:39
4	Mark Ng	142	2016-01-30 18:22:57
5	Abdulselam Tamene	145	2019-11-20 08:10:17
6	Erik Odenman	147	2015-05-29 19:46:19
7	Esubalew Gosaye	149	2019-11-24 19:10:31
8	Ethan Arnold	153	2017-02-13 23:08:58
9	Yue Jiao	153	2017-08-06 01:35:40
10	Neal Zane	156	2015-12-22 05:19:54

#	User	Length	Date
1	Kaaden RumanCam	72	2023-04-27 11:03:22
2	Clement Oh	72	2023-06-11 07:27:04
3	Peter Seely	87	2024-04-09 01:20:36
4	Shashank Bhatt	88	2023-02-16 18:42:10
5	Guk Yi Siong	94	2023-01-01 10:55:24
6	Jonathan Hallström	95	2023-04-08 14:46:28
7	Lee Isaac	96	2022-11-29 20:02:27
8	Harry Zhang	97	2023-01-08 13:18:51
9	Nikita Sandstrom	100	2022-11-11 01:42:13
10	James Rettie	106	2023-03-16 06:40:40

#	User	Length	Date
1	Thomas Feld	62	2023-02-02 12:29:44
2	Miorel Palii	149	2017-12-27 20:58:25
3	Casper Christensen	176	2016-02-13 14:17:29
4	Yung-Luen Lan	183	2016-08-02 19:25:16
5	Hidden user	190	2019-06-21 15:55:01
6	Qing Hao Chu	225	2017-12-28 18:52:34
7	Lee Tze Han	236	2018-06-28 12:05:54
8	Hidden user	4862	2021-03-12 03:56:42

#	User	Length	Date
1	Thomas Draper	294	2023-06-21 02:12:15

Solution running time distribution