Problem J
Three in a Row — Problem Statistics

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Submissions	3575
Accepted submissions	2057
Submission ratio	57.54%
Authors	1384
Full solves [?]	1281
Full solve Ratio	92.56%

#	User	Score	Language	Date
1	Thomas Feld	100	APL	2024-01-31 10:27:03
2	Matzuka	100	APL	2025-03-04 12:37:07

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2023-12-05 14:27:28

#	User	Score	Language	Date
1	dick move	100	Crystal	2025-10-30 05:23:33
2	Mehrshad Kavousi	100	Crystal	2025-12-09 23:41:15

#	User	Score	Language	Date
1	Jesper Bengtson	100	F#	2024-02-09 16:27:07
2	Emil Boesgaard Nørbjerg	100	F#	2024-02-09 16:55:27
3	Athena Winther	100	F#	2026-02-13 17:12:50

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-12-10 16:31:56
2	Suka Isnaini	100	Go	2023-12-12 18:00:34
3	Thomas	100	Go	2024-01-07 02:55:10
4	Jimmy Nejtron	100	Go	2024-09-25 00:36:33

#	User	Score	Language	Date
1	Hidden user	100	JavaScript (Node.js)	2024-10-10 06:27:25
2	Ihor Kolisnyk	100	JavaScript (Node.js)	2026-01-17 09:35:14

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2023-12-06 05:26:28
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-12-06 06:56:19
3	Aryan Swaminath	100	JavaScript (SpiderMonkey)	2024-01-24 01:46:55
4	Evan Magill	100	JavaScript (SpiderMonkey)	2024-04-18 06:20:23
5	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-06-10 22:03:35
6	Zach Tschetter	100	JavaScript (SpiderMonkey)	2025-02-20 20:14:47
7	Igor Castro Sa	100	JavaScript (SpiderMonkey)	2025-02-21 20:44:17

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-03-31 03:32:14
2	Danny Robinson	100	Julia	2024-08-28 19:27:50

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2023-12-15 22:59:08
2	Martijn Muijsers	100	Kotlin	2024-05-29 10:02:16
3	Emil Wihlander	100	Kotlin	2024-07-17 14:47:02
4	Hidden user	100	Kotlin	2025-11-17 16:40:36

#	User	Score	Language	Date
1	Trevor	100	Lua	2025-10-06 03:35:43

#	User	Score	Language	Date
1	Sven Rönnbäck	100	Octave	2023-12-07 19:18:33

#	User	Score	Language	Date
1	Hidden user	100	Odin	2025-04-24 17:16:46

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2024-02-14 21:09:40

#	User	Score	Language	Date
1	Saito Ta	100	Perl	2024-04-18 10:13:30

#	User	Score	Language	Date
1	Renate Fiala-Lundström	100	PHP	2024-04-07 21:53:49

#	User	Score	Language	Date
1	Johan Lyts	100	Python 2	2023-12-09 15:16:28
2	David Dillabough	100	Python 2	2025-04-10 23:46:53
3	Hidden user	100	Python 2	2025-04-15 09:57:10
4	Hidden user	100	Python 2	2025-05-03 12:14:41

#	User	Score	Language	Date
1	Jinwoo Lee	100	Racket	2025-01-25 22:39:57

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2024-01-31 10:12:53
2	Miorel Palii	100	Ruby	2024-11-24 03:04:47
3	Chenzhang Hu	100	Ruby	2025-09-22 14:28:08
4	Eugen Neagoe	100	Ruby	2026-01-17 05:48:07

#	User	Score	Language	Date
1	AZm87	100	Swift	2024-08-03 23:14:35

#	User	Score	Language	Date
1	Zach Tschetter	100	TypeScript	2024-03-02 02:07:44

#	User	Score	Language	Date
1	Grettir Heimisson	100	Zig	2025-11-06 18:27:23

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2024-01-31 10:27:03
2	Matzuka	0.01 s	APL	2025-03-04 12:37:07

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2024-02-02 14:26:06

#	User	Runtime	Language	Date
1	Esty Crow	0.04 s	C#	2024-01-27 19:14:48
2	Anthony Ye	0.04 s	C#	2024-01-28 19:52:42
3	Dennis Stegnell	0.04 s	C#	2024-03-28 11:40:40
4	Jan Matthiessen	0.04 s	C#	2024-03-31 10:44:01
5	Renae Alailima	0.04 s	C#	2024-04-19 16:41:36
6	Գոռ Բաղդասարյան	0.04 s	C#	2024-04-20 23:25:16
7	Benjamin Bilbeau	0.04 s	C#	2024-04-25 20:15:33
8	traxex	0.04 s	C#	2024-04-29 16:25:05
9	Deci Bel	0.04 s	C#	2024-06-12 22:46:46
10	Michael Damsgaard	0.04 s	C#	2024-11-20 06:09:01

#	User	Runtime	Language	Date
1	dick move	0.00 s	Crystal	2025-10-30 05:23:33
2	Mehrshad Kavousi	0.00 s	Crystal	2025-12-09 23:41:15

#	User	Runtime	Language	Date
1	Jesper Bengtson	0.08 s	F#	2024-02-09 16:27:07
2	Emil Boesgaard Nørbjerg	0.08 s	F#	2024-02-09 16:55:27
3	Athena Winther	0.08 s	F#	2026-02-13 17:12:50

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2023-12-10 16:31:56
2	Suka Isnaini	0.00 s	Go	2023-12-12 18:00:34
3	Thomas	0.00 s	Go	2024-01-07 02:55:10
4	Jimmy Nejtron	0.00 s	Go	2024-09-25 00:36:33

#	User	Runtime	Language	Date
1	Issa Issack	0.04 s	Java	2024-11-26 20:38:09
2	Stela Palii	0.04 s	Java	2024-11-29 19:18:27
3	Guangyi Zhou	0.04 s	Java	2024-12-27 05:04:05
4	Goh Zhixuan Jeremiah	0.04 s	Java	2025-02-15 15:12:03
5	Jaroslavna Khorosheva	0.04 s	Java	2025-03-18 18:26:48
6	Timofei	0.04 s	Java	2025-04-03 12:54:47
7	Ralf Erik	0.04 s	Java	2025-06-12 20:46:06
8	Markus Bao	0.04 s	Java	2025-08-12 06:49:36
9	Cambrien Malenko	0.04 s	Java	2025-11-07 00:42:03
10	Hidden user	0.04 s	Java	2025-11-24 10:34:13

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-10-10 06:27:25
2	Ihor Kolisnyk	0.04 s	JavaScript (Node.js)	2026-01-17 09:35:14

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-12-06 05:26:28
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-12-06 06:56:19
3	Aryan Swaminath	0.02 s	JavaScript (SpiderMonkey)	2024-01-24 01:46:55
4	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-18 06:20:23
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 22:03:35
6	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-02-20 20:14:47
7	Igor Castro Sa	0.02 s	JavaScript (SpiderMonkey)	2025-02-21 20:44:17

#	User	Runtime	Language	Date
1	Danny Robinson	0.53 s	Julia	2024-08-28 19:27:50
2	Timothy Gaede	0.58 s	Julia	2024-03-31 03:32:14

#	User	Runtime	Language	Date
1	Adam Rankin	0.17 s	Kotlin	2023-12-15 22:59:08
2	Martijn Muijsers	0.18 s	Kotlin	2024-05-29 10:02:16
3	Emil Wihlander	0.18 s	Kotlin	2024-07-17 14:47:02
4	Hidden user	0.20 s	Kotlin	2025-11-17 16:40:36

#	User	Runtime	Language	Date
1	Trevor	0.00 s	Lua	2025-10-06 03:35:43

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.09 s	Octave	2023-12-07 19:18:33

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-24 17:16:46

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2024-02-14 21:09:40

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-18 10:13:30

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2024-04-07 21:53:49

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2023-12-09 15:16:28
2	David Dillabough	0.07 s	Python 2	2025-04-10 23:46:53
3	Hidden user	0.07 s	Python 2	2025-04-15 09:57:10
4	Hidden user	0.07 s	Python 2	2025-05-03 12:14:41

#	User	Runtime	Language	Date
1	JetNet Gaming	0.04 s	Python 3	2024-08-28 14:38:10
2	Lycan Youshi	0.04 s	Python 3	2024-08-31 12:01:46
3	Erik Adebahr	0.04 s	Python 3	2024-08-31 15:53:59
4	Rasmus Hulthe	0.04 s	Python 3	2024-09-01 20:37:38
5	Trevor	0.04 s	Python 3	2024-09-03 04:19:14
6	Armita	0.04 s	Python 3	2024-09-03 14:22:00
7	Kylind Reagan	0.04 s	Python 3	2024-09-04 03:11:35
8	Luis Enrique Cortijo Gonzales	0.04 s	Python 3	2024-09-05 04:18:26
9	João Manoel Feck	0.04 s	Python 3	2024-09-05 14:50:02
10	Cheng Yhon	0.04 s	Python 3	2024-09-07 04:49:16

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.28 s	Racket	2025-01-25 22:39:57

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2024-01-31 10:12:53
2	Miorel Palii	0.06 s	Ruby	2024-11-24 03:04:47
3	Eugen Neagoe	0.06 s	Ruby	2026-01-17 05:48:07
4	Chenzhang Hu	0.13 s	Ruby	2025-09-22 14:28:08

#	User	Runtime	Language	Date
1	AZm87	0.00 s	Swift	2024-08-03 23:14:35

#	User	Runtime	Language	Date
1	Zach Tschetter	0.05 s	TypeScript	2024-03-02 02:07:44

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-11-06 18:27:23

#	User	Length	Language	Date
1	Thomas Feld	37	APL	2024-01-31 10:33:58
2	Matzuka	77	APL	2025-03-04 12:37:07

#	User	Length	Language	Date
1	Chenzhang Hu	43	Bash	2025-09-13 17:41:08

#	User	Length	Language	Date
1	Oliver Noreklev	109	C	2025-10-01 10:29:36
2	Martin Blom	126	C	2024-01-11 09:39:01
3	Joakim Olsson	156	C	2024-12-02 02:14:26
4	Mason Anderson	158	C	2025-04-01 03:00:39
5	Hidden user	163	C	2025-04-09 16:49:31
6	Bergur Snorrason	169	C	2024-01-17 09:13:58
7	Mirel Cosulschi	179	C	2024-10-04 18:21:34
8	Allan Nouri	188	C	2024-02-28 21:39:06
9	RJ	195	C	2024-10-27 03:58:13
10	Trinh Nguyen Bao Duy (K18 CT)	206	C	2024-05-27 09:10:32

#	User	Length	Language	Date
1	traxex	152	C#	2024-04-29 16:25:05
2	florist swe	201	C#	2024-11-30 23:51:38
3	Esty Crow	232	C#	2024-01-27 19:14:48
4	Anthony Ye	257	C#	2024-01-28 19:52:42
5	Hidden user	261	C#	2025-11-04 13:22:34
6	Hidden user	307	C#	2025-11-23 16:20:17
7	Renae Alailima	341	C#	2024-04-19 16:41:36
8	Imre Gyllengahm	406	C#	2025-11-13 23:20:09
9	Deci Bel	433	C#	2026-01-08 20:16:42
10	Benjamin Bilbeau	466	C#	2024-04-25 20:15:33

#	User	Length	Language	Date
1	Frans Meulenbroeks	89	C++	2024-09-29 18:27:31
2	Elias Bergqvist	91	C++	2025-11-22 02:09:10
3	Shiroy Sattur	109	C++	2025-08-18 10:10:58
4	Tong Jing Yen	138	C++	2024-01-04 06:58:42
5	Joshua Andersson	146	C++	2023-12-05 11:15:26
6	蔡童彥	154	C++	2025-03-09 05:11:59
7	方菸草（FYC）	156	C++	2025-03-09 05:21:41
8	黃昱翔	156	C++	2025-04-03 14:40:50
9	Joshua Brody	157	C++	2024-11-12 18:14:28
10	Jaquarius Jeffords	158	C++	2025-05-16 23:06:07

#	User	Length	Language	Date
1	dick move	81	Crystal	2025-10-30 05:23:33
2	Mehrshad Kavousi	123	Crystal	2025-12-10 00:13:41

#	User	Length	Language	Date
1	Athena Winther	316	F#	2026-02-13 17:12:50
2	Emil Boesgaard Nørbjerg	1937	F#	2024-02-09 16:55:27
3	Jesper Bengtson	2023	F#	2024-02-09 16:27:07

#	User	Length	Language	Date
1	Suka Isnaini	195	Go	2023-12-12 18:00:34
2	Norbert Voelker	255	Go	2023-12-10 16:31:56
3	Jimmy Nejtron	299	Go	2024-09-25 00:36:33
4	Thomas	312	Go	2024-01-07 02:55:10

#	User	Length	Language	Date
1	Zach Tschetter	112	Haskell	2025-04-03 22:59:09
2	Hidden user	119	Haskell	2023-12-05 11:42:00
3	Nathan Noll	137	Haskell	2024-03-27 04:20:12
4	Sebastian Banert	151	Haskell	2024-06-09 16:14:25
5	steven kotschegarow	153	Haskell	2024-04-09 04:53:53
6	Hidden user	155	Haskell	2025-04-05 12:16:54
7	Steinar Simonnes	158	Haskell	2024-01-23 08:14:05
8	Leul Abate	168	Haskell	2024-03-28 05:35:45
9	Shinji Koshida	196	Haskell	2025-01-14 11:33:22
10	Adhyan H.	196	Haskell	2025-09-04 05:14:46

#	User	Length	Language	Date
1	Frederik Buur	243	Java	2024-03-20 18:01:07
2	Katelyn Sorensen	254	Java	2025-04-09 20:49:11
3	Rajeshpandi K	265	Java	2026-01-13 14:30:07
4	Hidden user	272	Java	2025-04-06 08:24:29
5	SOWMIYA T	279	Java	2025-04-06 08:40:42
6	Raymond Arrington	299	Java	2024-06-08 07:23:31
7	Cazador Edgerton	305	Java	2025-12-15 17:50:48
8	Shane Trant	319	Java	2026-01-19 19:09:48
9	Evan Magill	325	Java	2024-10-17 00:18:32
10	Oliver Starup	326	Java	2024-02-09 17:19:59

#	User	Length	Language	Date
1	Ihor Kolisnyk	373	JavaScript (Node.js)	2026-01-17 09:35:14
2	Hidden user	661	JavaScript (Node.js)	2024-10-10 06:27:25

#	User	Length	Language	Date
1	Jimmy Gustafsson	55	JavaScript (SpiderMonkey)	2024-06-10 22:05:13
2	Christian Pilegaard Cederquist	70	JavaScript (SpiderMonkey)	2023-12-06 06:58:09
3	Evan Magill	93	JavaScript (SpiderMonkey)	2024-04-18 06:20:23
4	Zach Tschetter	102	JavaScript (SpiderMonkey)	2025-02-20 20:15:42
5	Bjørn Chr. Soltvedt	131	JavaScript (SpiderMonkey)	2023-12-06 05:30:12
6	Igor Castro Sa	136	JavaScript (SpiderMonkey)	2025-02-21 20:44:17
7	Aryan Swaminath	224	JavaScript (SpiderMonkey)	2024-01-24 01:46:55

#	User	Length	Language	Date
1	Danny Robinson	80	Julia	2024-08-28 19:27:50
2	Timothy Gaede	1072	Julia	2024-03-31 03:32:14

#	User	Length	Language	Date
1	Hidden user	176	Kotlin	2025-11-17 16:40:36
2	Emil Wihlander	219	Kotlin	2024-07-17 14:47:02
3	Adam Rankin	249	Kotlin	2023-12-15 22:59:08
4	Martijn Muijsers	431	Kotlin	2024-05-29 10:02:16

#	User	Length	Language	Date
1	Trevor	234	Lua	2025-10-06 03:35:43

#	User	Length	Language	Date
1	Sven Rönnbäck	228	Octave	2023-12-07 19:18:33

#	User	Length	Language	Date
1	Hidden user	250	Odin	2025-04-24 17:16:46

#	User	Length	Language	Date
1	Ingemar Ragnemalm	344	Pascal	2024-02-14 21:09:40

#	User	Length	Language	Date
1	Saito Ta	43	Perl	2024-04-18 10:13:30

#	User	Length	Language	Date
1	Renate Fiala-Lundström	227	PHP	2024-04-07 21:53:49

#	User	Length	Language	Date
1	Hidden user	57	Python 2	2025-04-15 09:57:10
2	Johan Lyts	62	Python 2	2023-12-09 15:16:28
3	Hidden user	127	Python 2	2025-05-03 12:14:41
4	David Dillabough	261	Python 2	2025-04-10 23:46:53

#	User	Length	Language	Date
1	Christofer Ohlsson	49	Python 3	2024-01-01 22:34:48
2	Isaac Lee	50	Python 3	2024-02-16 01:17:04
3	Alexandre Charland	54	Python 3	2024-02-19 16:45:00
4	Kévin Dubrulle	55	Python 3	2024-04-07 19:37:55
5	Ahmed Chamseddine	56	Python 3	2024-06-13 14:20:32
6	David Worley	57	Python 3	2024-03-09 22:02:09
7	Frans Meulenbroeks	57	Python 3	2024-09-12 17:30:42
8	Lee Isaac	59	Python 3	2023-12-14 20:02:51
9	Lucas Patten	60	Python 3	2025-05-02 17:48:59
10	Bryce Turner	61	Python 3	2024-01-25 19:56:18

#	User	Length	Language	Date
1	Jinwoo Lee	321	Racket	2025-01-25 22:39:57

#	User	Length	Language	Date
1	Thomas Feld	39	Ruby	2024-01-31 10:39:10
2	Eugen Neagoe	82	Ruby	2026-01-17 05:48:07
3	Miorel Palii	100	Ruby	2024-11-24 03:04:47
4	Chenzhang Hu	139	Ruby	2025-09-22 14:28:08

#	User	Length	Language	Date
1	Vincent Lagerros	178	Rust	2024-08-19 02:30:23
2	Michael Jeppesen	194	Rust	2026-02-13 17:10:51
3	Emil Dichmann	222	Rust	2025-08-23 22:17:33
4	Artur Khuziakhmetov	315	Rust	2025-02-02 12:18:31
5	David Rasch	366	Rust	2024-01-08 10:51:03
6	Pankajkumar Patro	383	Rust	2024-08-09 22:57:45
7	Robertas Jankauskas	491	Rust	2026-01-17 09:31:40
8	Isak Jägberg	513	Rust	2024-10-18 19:31:39
9	Bas Dirks	516	Rust	2023-12-26 06:38:28
10	Nathaniel Risum	523	Rust	2025-04-01 14:02:43

#	User	Length	Language	Date
1	AZm87	194	Swift	2024-08-03 23:14:35

#	User	Length	Language	Date
1	Zach Tschetter	332	TypeScript	2024-04-10 15:45:28

#	User	Length	Language	Date
1	Grettir Heimisson	2191	Zig	2025-11-06 18:27:23

Solution running time distribution