Problem A
Sylvester Construction — Problem Statistics

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Submissions	1601
Accepted submissions	880
Submission ratio	54.97%
Authors	764
Full solves [?]	700
Full solve Ratio	91.62%

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-04-14 16:00:45
2	masosz	0.02 s	C#	2015-02-04 22:48:55
3	Thomas Risager	0.02 s	C#	2015-09-05 22:39:34
4	Leslie Yip	0.03 s	C#	2022-06-19 17:27:15
5	Андрей Титов	0.04 s	C#	2016-01-21 13:33:20
6	Göran Andersson	0.04 s	C#	2022-05-24 09:49:27

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	F#	2023-06-09 01:34:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2021-03-04 23:59:02
2	Việt Hà Nguyễn	0.10 s	Go	2016-07-02 21:25:36
3	Stephen Atwood	0.10 s	Go	2017-04-06 04:10:54
4	Viktor Edström	0.11 s	Go	2017-12-02 22:33:07

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-07-15 14:23:53
2	Oskar Segersvärd	0.01 s	Haskell	2015-01-10 14:12:00
3	Matthew A Johnson	0.01 s	Haskell	2017-01-06 15:52:52
4	Hidden user	0.01 s	Haskell	2017-01-30 23:42:04
5	Andrew Mark Allen	0.01 s	Haskell	2017-03-15 00:19:00
6	Tobias Bengtsson	0.01 s	Haskell	2018-11-18 07:30:14
7	Chen Xu	0.01 s	Haskell	2019-08-17 08:50:14
8	Aurélien Pepin	0.01 s	Haskell	2019-09-03 21:51:25
9	Hidden user	0.01 s	Haskell	2019-09-26 21:07:24
10	Gaston Gilbert	0.01 s	Haskell	2020-11-01 14:45:08

#	User	Runtime	Language	Date
1	Simon Klein	0.06 s	Java	2012-02-05 18:23:20
2	Jens Ståhl	0.06 s	Java	2014-04-14 14:21:57
3	Sofie Thorsen	0.06 s	Java	2014-12-17 12:26:39
4	Jan Štola	0.06 s	Java	2015-03-13 00:04:17
5	Lujia (Luke) Zhang	0.06 s	Java	2015-10-26 21:00:19
6	Rohit Prasad	0.06 s	Java	2015-12-01 19:39:06
7	Michael Sullivan	0.06 s	Java	2016-02-10 13:41:44
8	Simon Xue	0.06 s	Java	2016-03-13 21:11:46
9	Paul Kobina	0.06 s	Java	2016-07-18 16:48:47
10	lievin Nkuba Kasanda	0.06 s	Java	2016-07-23 10:20:10

#	User	Runtime	Language	Date
1	Kenneth Chen	0.12 s	JavaScript (Node.js)	2022-07-03 11:17:19

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-02-10 20:13:46

#	User	Runtime	Language	Date
1	Neil Harmon	0.23 s	Kotlin	2019-07-03 12:28:33
2	Love Brandefelt	0.24 s	Kotlin	2017-12-06 16:12:41
3	Adam Rankin	0.37 s	Kotlin	2023-09-10 22:23:27

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2021-12-01 12:20:45

#	User	Runtime	Language	Date
1	Maisam Arif	0.03 s	Python 2	2017-04-29 06:05:18
2	Rachel Campbell	0.03 s	Python 2	2017-05-03 03:31:21
3	Christofer Ohlsson	0.04 s	Python 2	2015-06-09 21:06:19
4	Daniel Strizhevsky	0.04 s	Python 2	2017-06-19 09:03:50
5	Radek Žlebčík	0.04 s	Python 2	2017-12-15 16:31:49
6	Jesper Öqvist	0.04 s	Python 2	2018-10-26 22:33:36
7	Samo Ilc	0.05 s	Python 2	2015-08-30 22:43:49
8	Erik Sillén	0.05 s	Python 2	2016-05-28 13:42:59
9	Sergey Pashkovsky	0.05 s	Python 2	2018-01-09 11:11:46
10	Thomas Feld	0.05 s	Python 2	2019-09-11 15:42:45

#	User	Runtime	Language	Date
1	Lionel KITIHOUN	0.02 s	Python 3	2017-04-26 17:45:39
2	Jason Cannon	0.02 s	Python 3	2019-11-22 00:07:54
3	Vedran Čačić	0.03 s	Python 3	2019-03-21 20:23:26
4	Johannes Lindblom	0.03 s	Python 3	2019-11-02 11:36:56
5	Victor Zheng	0.04 s	Python 3	2017-05-27 21:05:47
6	Yang Li	0.04 s	Python 3	2018-05-03 12:12:13
7	Alexei Fedotov	0.04 s	Python 3	2018-10-01 16:23:59
8	Dominic Berzin Chua Way Gin	0.04 s	Python 3	2025-04-17 14:40:41
9	Hidden user	0.04 s	Python 3	2026-02-15 14:58:28
10	Erik Rydbert	0.05 s	Python 3	2017-11-15 06:55:57

#	User	Runtime	Language	Date
1	Rasmus Kaj	0.00 s	Rust	2021-04-05 14:37:37
2	Eric Pinter	0.00 s	Rust	2021-11-27 19:39:41
3	Bas Dirks	0.00 s	Rust	2022-05-26 11:22:15
4	Felix Köhler	0.00 s	Rust	2022-07-28 07:16:06
5	Kristinn Vikar	0.00 s	Rust	2023-09-18 01:45:22
6	Simon Grünwald	0.00 s	Rust	2024-02-15 11:28:03
7	David Rasch	0.00 s	Rust	2024-05-22 16:33:15

#	User	Runtime	Language	Date
1	Anton J Olsson	0.10 s	TypeScript	2023-08-05 15:20:37

#	User	Length	Language	Date
1	Ivan Petrov	384	C	2019-09-10 16:35:12
2	Niklas Nordmark	407	C	2015-09-26 13:50:43
3	Hidden user	500	C	2005-09-10 19:28:18
4	Mats Linander	594	C	2006-09-05 22:44:09
5	Albert Lai	643	C	2020-11-06 21:08:23
6	Sambit Palit	685	C	2020-09-24 00:03:16
7	Anders Sjöqvist	711	C	2005-09-05 23:40:24
8	Mirel Cosulschi	750	C	2023-12-05 20:22:18
9	Per Olofsson	755	C	2011-09-14 23:01:34
10	LBWei	759	C	2021-11-01 07:02:15

#	User	Length	Language	Date
1	Thomas Risager	987	C#	2015-09-05 22:39:34
2	Göran Andersson	1110	C#	2022-05-24 09:49:27
3	Leslie Yip	2249	C#	2022-06-19 17:27:15
4	Андрей Титов	2426	C#	2016-01-21 13:33:20
5	masosz	2869	C#	2015-02-04 22:48:55
6	Simon Ståhlberg	4390	C#	2014-04-14 16:00:45

#	User	Length	Language	Date
1	Herman Karlsson	331	C++	2016-12-15 12:39:50
2	Tom Smeding	336	C++	2017-08-26 15:14:47
3	William Gan	373	C++	2017-12-24 14:12:50
4	Hidden user	413	C++	2006-07-05 02:19:47
5	huang ian	416	C++	2025-12-20 05:01:48
6	Antonio Molina Lovett	418	C++	2016-08-11 09:04:58
7	Hidden user	418	C++	2025-07-28 22:34:06
8	Johan Wind	420	C++	2014-09-28 17:34:16
9	Vũ Đức Tùng	421	C++	2016-10-08 18:22:00
10	Paul-Andre Henegar	432	C++	2016-12-10 01:15:51

#	User	Length	Language	Date
1	Hidden user	1036	F#	2023-06-09 01:34:45

#	User	Length	Language	Date
1	Viktor Edström	510	Go	2017-12-02 22:33:07
2	Stephen Atwood	616	Go	2017-04-06 04:10:54
3	Norbert Voelker	1247	Go	2021-03-04 23:59:02
4	Việt Hà Nguyễn	2723	Go	2016-07-02 21:25:36

#	User	Length	Language	Date
1	Fulano de Tal	524	Haskell	2022-01-29 23:14:46
2	Jan Hrček	703	Haskell	2021-04-10 17:52:43
3	Patrik Lilja	711	Haskell	2016-02-13 10:40:34
4	Brent Yorgey	874	Haskell	2017-10-29 06:57:26
5	Andrew Mark Allen	902	Haskell	2017-03-15 00:19:00
6	Matthew A Johnson	928	Haskell	2017-01-06 15:52:52
7	Hidden user	953	Haskell	2017-03-25 18:26:53
8	Tobias Bengtsson	1019	Haskell	2018-11-18 07:30:14
9	Steinar Simonnes	1062	Haskell	2024-07-15 14:23:53
10	Aurélien Pepin	1127	Haskell	2019-09-03 21:51:25

#	User	Length	Language	Date
1	Max Thoursie	612	Java	2005-09-11 20:04:59
2	Doug Goodman	792	Java	2016-10-10 18:20:14
3	Stephen Royal	834	Java	2015-08-20 16:32:28
4	Elias Moons	855	Java	2015-08-16 12:46:05
5	Hidden user	866	Java	2015-02-23 18:24:46
6	Ben Bradshaw	875	Java	2010-09-21 06:34:51
7	Aked Hindi	884	Java	2011-01-28 03:27:35
8	Benjamin Laurence Erickson	884	Java	2016-10-06 17:12:23
9	Michael Stephen Skalak	933	Java	2017-07-14 20:46:35
10	Kurtis Van Gent	948	Java	2016-10-06 21:41:48

#	User	Length	Language	Date
1	Kenneth Chen	1350	JavaScript (Node.js)	2022-07-03 11:17:19

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1434	JavaScript (SpiderMonkey)	2023-02-10 20:13:46

#	User	Length	Language	Date
1	Love Brandefelt	583	Kotlin	2017-12-06 16:12:41
2	Adam Rankin	1307	Kotlin	2023-09-10 22:23:27
3	Neil Harmon	1649	Kotlin	2019-07-03 12:28:33

#	User	Length	Language	Date
1	David Connolly	2346	Pascal	2021-12-01 12:20:45

#	User	Length	Language	Date
1	Thomas Feld	301	Python 2	2019-09-11 15:42:45
2	Johan Lyts	385	Python 2	2019-03-23 21:02:11
3	Jesper Öqvist	390	Python 2	2018-10-26 22:33:36
4	Andreas Björklund	405	Python 2	2019-03-12 20:22:54
5	Daniel Strizhevsky	559	Python 2	2017-06-19 09:03:50
6	Frederik Højholt	571	Python 2	2016-12-19 18:36:46
7	Jasper Lu	573	Python 2	2017-06-24 23:50:26
8	Rachel Campbell	653	Python 2	2017-05-03 03:31:21
9	Nick Wu	696	Python 2	2015-10-15 04:19:48
10	Sergey Pashkovsky	697	Python 2	2018-01-09 11:11:46

#	User	Length	Language	Date
1	Clement Oh	199	Python 3	2023-12-29 11:49:10
2	Michael Peter Lautrup	215	Python 3	2022-09-21 11:52:45
3	Tobias Bessler	223	Python 3	2024-02-09 22:25:14
4	Justin Su	235	Python 3	2020-11-22 02:46:05
5	Casper Rysgaard	235	Python 3	2022-09-14 17:33:25
6	Vedran Čačić	246	Python 3	2019-03-21 20:23:26
7	Andreas Hansen	246	Python 3	2022-09-14 18:28:06
8	Yong Mao	267	Python 3	2023-07-13 04:54:12
9	Yorick Santiago Cervantes Aguilar	290	Python 3	2025-11-03 23:22:48
10	Hidden user	324	Python 3	2021-10-31 22:17:09

#	User	Length	Language	Date
1	David Rasch	496	Rust	2024-05-22 16:40:13
2	Kristinn Vikar	946	Rust	2023-09-18 01:45:22
3	Felix Köhler	961	Rust	2022-07-28 07:16:06
4	Simon Grünwald	1370	Rust	2024-02-15 11:28:03
5	Bas Dirks	1562	Rust	2022-05-26 11:22:15
6	Rasmus Kaj	1745	Rust	2021-04-05 14:37:37
7	Eric Pinter	4003	Rust	2021-11-27 19:39:41

#	User	Length	Language	Date
1	Anton J Olsson	1007	TypeScript	2023-08-05 15:20:37

Solution running time distribution