Problem C
Catalan Numbers — Problem Statistics

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Submissions	5001
Accepted submissions	1882
Submission ratio	37.63%
Authors	1438
Full solves [?]	1196
Full solve Ratio	83.17%

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

#	User	Runtime	Language	Date
1	Johannes Svensson	0.00 s	C	2009-11-16 15:42:15
2	Henrik Sjögren	0.02 s	C	2006-12-06 19:05:26
3	Mats Linander	0.02 s	C	2006-12-07 11:49:33
4	Md Shahab Uddin	0.19 s	C	2025-05-15 20:22:31
5	Paulo Bu	0.33 s	C	2015-02-23 22:55:10
6	Hidden user	1.59 s	C	2024-11-09 17:51:30

#	User	Runtime	Language	Date
1	Michael Damsgaard	0.11 s	C#	2025-01-11 16:12:52
2	Mads Storm Hansen	0.20 s	C#	2015-07-21 18:39:26
3	Marek	0.20 s	C#	2016-10-19 18:55:36
4	Thomas Østergaard	0.20 s	C#	2020-06-06 14:07:28
5	Andrzej Krajniak	0.21 s	C#	2016-10-19 19:06:34
6	Joel Keleta	0.21 s	C#	2019-09-17 23:44:41
7	Daniel Materowski	0.34 s	C#	2016-10-19 20:38:30
8	Robert Warnestam	0.74 s	C#	2020-03-27 09:57:26
9	Andriy Zyevakov	0.85 s	C#	2019-07-03 12:54:54
10	traxex	1.43 s	C#	2024-05-17 10:47:02

#	User	Runtime	Language	Date
1	Evan Michael Bailey	0.01 s	C++	2023-03-17 22:56:15
2	Atharva Nagarkar	0.02 s	C++	2020-04-15 09:18:29
3	Emerson Leonardo Lucena	0.02 s	C++	2020-11-06 20:05:27
4	Dirk Neuhäuser	0.02 s	C++	2021-05-09 22:52:34
5	Torres Torres Mejía	0.02 s	C++	2024-11-14 03:55:00
6	Khoa Ngo Duc Minh	0.02 s	C++	2024-11-17 19:21:20
7	Yeoh Han Yi	0.02 s	C++	2025-03-17 17:33:23
8	YanHao Ling	0.03 s	C++	2018-01-18 14:50:48
9	Per Almquist	0.04 s	C++	2009-11-16 18:48:07
10	Mikael Gerdin	0.04 s	C++	2009-11-22 15:10:36

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

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

#	User	Runtime	Language	Date
1	Iker Lissarrague	0.02 s	Go	2023-10-03 07:54:41
2	Leonardo Gurgel	0.10 s	Go	2021-06-23 01:49:12
3	Norbert Voelker	0.10 s	Go	2023-03-22 17:39:10
4	Christian Vestergaard	0.36 s	Go	2021-01-03 12:47:50
5	Felix Dallmeyer	0.81 s	Go	2024-11-18 16:24:05
6	Bruno Volpato	1.31 s	Go	2020-06-06 02:34:05

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

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.10 s	Java	2025-02-08 23:04:18
2	Samuel Klingström	0.19 s	Java	2017-07-16 01:18:57
3	Hans Gylling	0.37 s	Java	2010-02-05 06:43:28
4	Simon Klein	0.38 s	Java	2011-12-02 18:46:39
5	Teddy Hartanto	0.38 s	Java	2016-04-06 07:00:29
6	Tan Jun An	0.38 s	Java	2017-02-04 11:16:17
7	Fredrik Atmer	0.39 s	Java	2007-11-21 17:14:43
8	Hidden user	0.39 s	Java	2007-11-23 17:21:58
9	Christian Adåker	0.39 s	Java	2007-11-25 23:48:45
10	Jonas Moberg	0.39 s	Java	2008-11-14 13:29:27

#	User	Runtime	Language	Date
1	Thomas Draper	0.21 s	JavaScript (Node.js)	2023-06-21 02:13:32
2	Bas Dirks	1.51 s	JavaScript (Node.js)	2022-02-07 16:39:02

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

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

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

#	User	Runtime	Language	Date
1	Vincent Lagerros	1.92 s	Odin	2024-09-27 13:08:33

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

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

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

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.05 s	Rust	2024-07-21 00:11:40

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

#	User	Length	Language	Date
1	Chenzhang Hu	390	Bash	2023-10-10 15:52:21

#	User	Length	Language	Date
1	Md Shahab Uddin	1903	C	2025-05-15 20:22:31
2	Hidden user	1942	C	2024-11-09 17:51:30
3	Paulo Bu	2732	C	2015-02-23 22:55:10
4	Henrik Sjögren	3713	C	2006-12-07 00:14:43
5	Mats Linander	3713	C	2006-12-07 11:49:33
6	Johannes Svensson	7532547	C	2009-11-16 15:42:15

#	User	Length	Language	Date
1	traxex	375	C#	2024-05-17 10:47:02
2	Michael Damsgaard	737	C#	2025-01-11 16:12:52
3	Marek	760	C#	2016-10-19 18:55:36
4	Joel Keleta	1103	C#	2019-09-17 23:44:41
5	Mads Storm Hansen	1690	C#	2015-07-21 18:39:26
6	Daniel Materowski	1874	C#	2016-10-19 20:38:30
7	Thomas Østergaard	1899	C#	2020-06-06 14:07:28
8	Andrzej Krajniak	7848	C#	2016-10-19 19:06:34
9	Andriy Zyevakov	10685	C#	2019-07-03 12:54:54
10	Robert Warnestam	20293	C#	2020-03-27 09:57:26

#	User	Length	Language	Date
1	Hidden user	919	C++	2018-06-15 15:00:09
2	Nguyễn Minh Tú	921	C++	2015-11-08 20:15:27
3	張瑋倫	1094	C++	2024-04-02 15:19:45
4	Evan Michael Bailey	1164	C++	2023-03-17 18:06:40
5	Hidden user	1518	C++	2020-04-07 06:06:50
6	Alexander Skidanov	1569	C++	2025-07-26 07:37:26
7	amalia hategan	1891	C++	2020-12-22 12:35:17
8	Yeoh Han Yi	2015	C++	2025-03-17 17:33:23
9	Dan Petri	2027	C++	2020-12-22 12:04:37
10	Ana Maria Dumitrache	2129	C++	2020-12-22 11:47:46

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

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

#	User	Length	Language	Date
1	Felix Dallmeyer	620	Go	2024-12-04 11:55:59
2	Bruno Volpato	674	Go	2020-06-06 02:34:05
3	Iker Lissarrague	701	Go	2023-10-03 07:54:41
4	Norbert Voelker	728	Go	2023-03-22 17:40:45
5	Leonardo Gurgel	1215	Go	2021-06-23 01:49:12
6	Christian Vestergaard	1625	Go	2021-01-03 12:49:36

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

#	User	Length	Language	Date
1	William Gan	449	Java	2017-02-16 16:24:28
2	Zimu Qin	502	Java	2015-07-19 11:16:47
3	Emilie Hyslop	558	Java	2020-12-30 04:34:37
4	Michael Zündorf	567	Java	2018-12-07 10:17:00
5	Dylan Smith	571	Java	2020-11-10 05:17:47
6	Hidden user	581	Java	2017-10-14 19:54:59
7	Ulf Lundström	602	Java	2006-12-05 21:30:23
8	손상준	602	Java	2015-11-14 07:42:35
9	Max Owen	606	Java	2023-03-10 17:02:20
10	Rishab Dhar	607	Java	2017-05-31 12:06:05

#	User	Length	Language	Date
1	Thomas Draper	237	JavaScript (Node.js)	2023-06-21 02:15:06
2	Bas Dirks	554	JavaScript (Node.js)	2022-02-07 16:39:02

#	User	Length	Language	Date
1	Thomas Draper	170	JavaScript (SpiderMonkey)	2023-06-21 02:20:04
2	Christian Pilegaard Cederquist	429	JavaScript (SpiderMonkey)	2023-04-11 11:08:29

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

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

#	User	Length	Language	Date
1	Vincent Lagerros	707	Odin	2024-09-27 12:51:12

#	User	Length	Language	Date
1	Dmitry Lyubshin	119	Python 2	2018-03-09 00:28:09
2	Guan Yang Ze	132	Python 2	2019-09-20 11:29:37
3	Cherim	139	Python 2	2017-11-01 16:34:39
4	Mark Ng	142	Python 2	2016-01-30 18:22:57
5	Abdulselam Hassen	145	Python 2	2019-11-20 08:10:17
6	Erik Odenman	147	Python 2	2015-05-29 19:46:19
7	Esubalew Gosaye	149	Python 2	2019-11-24 19:10:31
8	Ethan Arnold	153	Python 2	2017-02-13 23:08:58
9	Yue Jiao	153	Python 2	2017-08-06 01:35:40
10	Herman Karlsson	156	Python 2	2015-10-15 08:22:48

#	User	Length	Language	Date
1	Kaaden RumanCam	72	Python 3	2023-04-27 11:03:22
2	Clement Oh	72	Python 3	2023-06-11 07:27:04
3	Peter Seely	87	Python 3	2024-04-09 01:20:36
4	Kevin Gomez	87	Python 3	2024-11-13 04:31:37
5	Shashank Bhatt	88	Python 3	2023-02-16 18:42:10
6	Tai Tze Kin	89	Python 3	2024-05-09 20:33:10
7	Martijn van der Horst	93	Python 3	2024-06-03 11:32:49
8	Guk Yi Siong	94	Python 3	2023-01-01 10:55:24
9	Jonathan Hallström	95	Python 3	2023-04-08 14:46:28
10	Lee Isaac	96	Python 3	2022-11-29 20:02:27

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

#	User	Length	Language	Date
1	Vincent Lagerros	18119	Rust	2024-07-21 00:11:40

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

Solution running time distribution