Problem K
Simon Says — Problem Statistics

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Submissions	13058
Accepted submissions	4186
Submission ratio	32.06%
Authors	4140
Full solves [?]	3596
Full solve Ratio	86.86%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-04-24 16:02:43
2	Chenzhang Hu	0.01 s	Bash	2023-09-12 09:21:40
3	Ruth Pemberton	0.01 s	Bash	2024-09-05 23:16:12

#	User	Runtime	Language	Date
1	Charlie Forsberg Hedberg	0.01 s	C#	2015-07-06 13:05:54
2	Thomas Risager	0.01 s	C#	2015-08-15 17:29:47
3	Love Engman	0.01 s	C#	2016-03-15 13:55:27
4	Joe Amenta	0.01 s	C#	2016-04-05 02:22:29
5	Robert Low	0.01 s	C#	2016-07-18 13:13:32
6	Ugnius Skučas	0.01 s	C#	2016-10-09 21:21:39
7	Tommy Ivarsson	0.02 s	C#	2015-04-28 10:41:37
8	Paweł Borkowski	0.02 s	C#	2015-06-05 13:05:59
9	Bas te Kolste	0.02 s	C#	2015-06-15 14:54:41
10	Niklas Huss	0.02 s	C#	2015-07-10 08:45:52

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.00 s	COBOL	2020-04-08 06:54:17

#	User	Runtime	Language	Date
1	Timothy Bilik	0.01 s	Common Lisp	2022-09-11 06:10:29
2	David Cawthon	0.02 s	Common Lisp	2019-05-17 03:57:21

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-04-23 09:57:33

#	User	Runtime	Language	Date
1	dick move	0.00 s	Go	2023-07-07 21:47:29
2	Ben Hutchinson	0.00 s	Go	2023-10-17 19:51:00
3	Alejandro Germain	0.01 s	Go	2018-10-21 19:53:49
4	Theo Coyne Morgan	0.01 s	Go	2019-03-27 01:11:36
5	Christoffer Danborg Irvall	0.01 s	Go	2019-05-06 11:17:22
6	Ainun Nazieb	0.02 s	Go	2020-09-30 07:29:55
7	Abdurrachman Habibi	0.02 s	Go	2020-11-15 04:35:55
8	Norbert Voelker	0.02 s	Go	2021-07-23 19:53:14
9	Krzysztof Gibuła	0.07 s	Go	2019-03-10 15:29:47
10	Torbjørn Eikli Smørgrav	0.08 s	Go	2015-04-29 14:25:21

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Java	2025-10-04 00:37:36
2	Åsmund Vikane	0.05 s	Java	2015-04-25 11:08:45
3	Marte Dybevik Løge	0.05 s	Java	2015-04-25 11:12:22
4	Per Odlo	0.05 s	Java	2015-04-25 11:13:41
5	Johan Jensen	0.05 s	Java	2015-04-25 11:27:14
6	Erik Tjøswold	0.05 s	Java	2015-04-25 14:08:22
7	Mattias Hägglund	0.05 s	Java	2015-04-26 19:21:48
8	Magnar Myrtveit	0.05 s	Java	2015-04-29 20:08:21
9	Diaa Alhak El Fallous	0.05 s	Java	2015-06-01 12:26:20
10	Carl Dizon	0.05 s	Java	2015-06-22 07:21:46

#	User	Runtime	Language	Date
1	Yassin Swag	0.04 s	JavaScript (Node.js)	2023-12-01 12:09:33
2	Gonçalo Novo	0.04 s	JavaScript (Node.js)	2025-07-24 21:52:06
3	Ram Basnet	0.05 s	JavaScript (Node.js)	2018-10-05 04:50:39
4	Joey Logsdon	0.05 s	JavaScript (Node.js)	2018-10-08 17:44:26
5	Bishal Khadka	0.05 s	JavaScript (Node.js)	2018-10-15 02:27:44
6	Rupinder Singh Randhawa	0.05 s	JavaScript (Node.js)	2018-10-17 17:44:20
7	Jeremy Phipps	0.05 s	JavaScript (Node.js)	2018-10-18 19:55:35
8	Nico Bentley	0.05 s	JavaScript (Node.js)	2018-10-19 20:34:57
9	Tomáš Necky Necuda	0.05 s	JavaScript (Node.js)	2019-02-20 09:55:24
10	Fredrik Andersson	0.05 s	JavaScript (Node.js)	2019-03-07 18:36:09

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-21 01:12:28
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-16 11:23:15
3	Mark Bouchkevitch	0.01 s	JavaScript (SpiderMonkey)	2016-01-22 19:57:11
4	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-30 12:20:18
5	Cole Rauh	0.01 s	JavaScript (SpiderMonkey)	2016-10-07 19:28:49
6	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-10-25 15:36:35
7	J M	0.01 s	JavaScript (SpiderMonkey)	2016-10-29 15:56:24
8	Alan Delaney	0.01 s	JavaScript (SpiderMonkey)	2017-04-21 02:24:36
9	Bartosz Starczewski	0.01 s	JavaScript (SpiderMonkey)	2017-10-12 03:06:47
10	Adam Murphy	0.01 s	JavaScript (SpiderMonkey)	2017-10-28 02:45:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.48 s	Julia	2024-04-17 15:00:09
2	Danny Robinson	0.49 s	Julia	2023-06-21 23:02:56

#	User	Runtime	Language	Date
1	Sam Keyser	0.12 s	Kotlin	2022-10-31 06:07:09
2	Jacob Huebner	0.12 s	Kotlin	2022-11-04 22:41:17
3	Jahid Hasan Imon	0.13 s	Kotlin	2020-06-26 20:22:15
4	Thanh Le	0.13 s	Kotlin	2021-07-26 19:09:39
5	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 01:15:05
6	Dmitry Shostak	0.17 s	Kotlin	2018-08-20 14:25:36
7	Neil Harmon	0.19 s	Kotlin	2019-07-25 08:57:52
8	Sarek Høverstad Skotåm	0.19 s	Kotlin	2020-10-07 22:56:56
9	Sergey Jakobsen	0.19 s	Kotlin	2021-06-09 17:15:14
10	Adam Rankin	0.20 s	Kotlin	2023-04-23 20:32:17

#	User	Runtime	Language	Date
1	Shinji Koshida	0.00 s	Lua	2025-04-01 22:58:08

#	User	Runtime	Language	Date
1	Shiroy Sattur	0.00 s	Nim	2025-10-25 03:52:01

#	User	Runtime	Language	Date
1	Evan Magill	0.00 s	OCaml	2023-11-08 22:11:14

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-08-23 18:10:36

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.00 s	Perl	2025-09-25 13:17:37

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2016-02-06 05:59:22
2	kyan harnum	0.01 s	PHP	2025-02-24 20:16:56

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-04-18 16:37:08

#	User	Runtime	Language	Date
1	Halvor Lund	0.02 s	Python 2	2015-04-25 11:03:05
2	Balder Søholt Halmrast	0.02 s	Python 2	2015-04-25 11:04:32
3	Martin Vonheim Larsen	0.02 s	Python 2	2015-04-25 11:04:33
4	Stian Jensen	0.02 s	Python 2	2015-04-25 11:06:59
5	Jean Niklas L'orange	0.02 s	Python 2	2015-04-25 11:10:41
6	Håkon Verås	0.02 s	Python 2	2015-04-25 11:12:15
7	Hidden user	0.02 s	Python 2	2015-04-25 11:29:35
8	Arne Tobias Malkenes Ødegaard	0.02 s	Python 2	2015-04-25 11:32:32
9	Didrik Pemmer Aalen	0.02 s	Python 2	2015-04-25 11:40:28
10	Edgar Vedvik	0.02 s	Python 2	2015-04-25 11:41:31

#	User	Runtime	Language	Date
1	Nils Gustafsson	0.02 s	Python 3	2015-04-25 14:26:05
2	Brian Harrington	0.02 s	Python 3	2015-04-27 01:08:26
3	Hidden user	0.02 s	Python 3	2015-04-27 23:45:24
4	Marcus Dicander	0.02 s	Python 3	2015-04-28 01:24:07
5	Alex Loiko	0.02 s	Python 3	2015-05-19 10:56:53
6	Ari Neto	0.02 s	Python 3	2015-05-20 02:26:08
7	Anders Hagward	0.02 s	Python 3	2015-05-23 21:25:11
8	Sayan Faraz	0.02 s	Python 3	2015-05-25 02:28:57
9	James Elías Sigurðarson	0.02 s	Python 3	2015-05-30 19:43:41
10	Kristmundur Agust	0.02 s	Python 3	2015-06-11 00:45:52

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-11 15:42:36
2	Gerry Hall	0.03 s	Ruby	2016-03-25 05:56:55
3	Wade Westfall	0.03 s	Ruby	2016-03-31 05:49:57
4	Leonardo Brito	0.03 s	Ruby	2016-06-21 02:27:35
5	Erik Rydbert	0.03 s	Ruby	2016-07-14 07:24:53
6	Mehdi Maick	0.03 s	Ruby	2016-07-28 22:06:56
7	Hidden user	0.03 s	Ruby	2016-08-15 16:13:24
8	Lycaon Anderson	0.03 s	Ruby	2016-09-09 03:12:49
9	Chris Weston	0.03 s	Ruby	2016-09-30 03:32:54
10	Kevin Suwala	0.03 s	Ruby	2017-01-13 05:30:58

#	User	Runtime	Language	Date
1	Min khant Kyaw	0.04 s	Visual Basic	2024-03-07 08:34:58

#	User	Length	Language	Date
1	Chenzhang Hu	23	Bash	2025-09-13 05:05:25
2	Thomas Feld	23	Bash	2025-09-18 10:29:10
3	Ruth Pemberton	173	Bash	2024-09-05 23:16:12

#	User	Length	Language	Date
1	Thibault Raffaillac	262	C	2016-11-14 17:54:31
2	Matthew Hartono	283	C	2022-08-04 08:35:02
3	Eduardo Valdez	297	C	2017-02-14 08:50:56
4	Busetty Rajaram	330	C	2017-04-27 19:43:15
5	Diep Nguyen Khanh Dinh	338	C	2018-08-24 03:21:36
6	Sravya Balagala	351	C	2016-10-21 21:45:20
7	Seth Carter	356	C	2018-01-24 09:24:19
8	Anton Haglund	361	C	2016-11-14 23:24:44
9	Danny Hardin	361	C	2019-04-23 04:52:52
10	David Eriksson	361	C	2025-01-14 13:20:21

#	User	Length	Language	Date
1	Jack Roip	247	C#	2015-08-21 22:37:14
2	Esty Crow	367	C#	2025-06-13 07:07:30
3	Marek Bina	409	C#	2019-02-20 09:19:07
4	Thomas Risager	412	C#	2015-08-15 17:29:47
5	Michael Damsgaard	426	C#	2025-01-04 07:03:42
6	Thomas Norris	441	C#	2019-06-24 21:26:14
7	Peter Løffmann	460	C#	2022-05-13 19:19:31
8	Frian Tampake	462	C#	2023-03-15 05:54:26
9	Khin Nyunt	469	C#	2016-06-01 19:24:04
10	Hayder J. Kadhim	492	C#	2018-04-25 00:38:56

#	User	Length	Language	Date
1	Frans Meulenbroeks	163	C++	2024-11-11 15:54:06
2	Lukas Fried	180	C++	2022-11-27 05:02:31
3	OwO	195	C++	2021-01-27 19:01:12
4	Tyler Fernando	197	C++	2023-06-21 06:37:50
5	Antonio Molina Lovett	233	C++	2016-08-07 07:18:07
6	Frederick Pek	250	C++	2021-05-12 17:09:54
7	Ali Elabridi	256	C++	2016-12-29 20:45:43
8	Lawrence Li	261	C++	2016-02-25 10:06:34
9	An Guozhen	262	C++	2023-09-13 00:27:21
10	Dara MacConville	264	C++	2018-01-23 15:14:03

#	User	Length	Language	Date
1	Brandon Mitchell	474	COBOL	2020-04-08 06:54:17

#	User	Length	Language	Date
1	Timothy Bilik	203	Common Lisp	2022-09-11 06:10:29
2	David Cawthon	351	Common Lisp	2019-05-17 03:57:21

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	336	F#	2023-04-23 09:57:33

#	User	Length	Language	Date
1	Theo Coyne Morgan	323	Go	2019-03-27 01:11:36
2	Ciarán Ó hAoláin	332	Go	2017-12-09 00:14:47
3	dick move	348	Go	2023-07-07 21:47:29
4	Christoffer Danborg Irvall	361	Go	2019-05-06 11:17:22
5	Torbjørn Eikli Smørgrav	368	Go	2015-04-29 14:25:21
6	Ben Hutchinson	373	Go	2023-10-17 19:51:00
7	Ainun Nazieb	380	Go	2020-09-30 07:29:55
8	Aleksandar Vorkapic	392	Go	2018-03-01 12:46:29
9	Abdurrachman Habibi	396	Go	2020-11-15 04:35:55
10	Krzysztof Gibuła	399	Go	2019-03-10 15:29:47

#	User	Length	Language	Date
1	Rudy Matela	96	Haskell	2023-09-16 12:12:47
2	David Wärn	107	Haskell	2015-04-30 21:08:38
3	Birk Tjelmeland	109	Haskell	2017-01-12 18:21:14
4	Jan Hlavacek	134	Haskell	2017-01-04 18:55:12
5	Miguel Müller	148	Haskell	2017-11-08 18:24:39
6	Øyvind Almli	171	Haskell	2021-10-25 21:09:18
7	Zach Tschetter	174	Haskell	2021-09-28 01:41:21
8	Yifeng Pan	193	Haskell	2019-08-27 04:40:14
9	Jorge Catarecha	201	Haskell	2017-12-17 14:04:39
10	Helmut Maierhofer	208	Haskell	2023-10-07 21:00:30

#	User	Length	Language	Date
1	Manu Lam	326	Java	2017-11-25 02:25:19
2	Halvard Vegum	352	Java	2017-11-16 21:01:32
3	Karim Mohamad Kayssi	360	Java	2018-06-04 16:13:19
4	Huang Chao	364	Java	2016-03-17 00:39:22
5	Eric Leow Yu Quan	364	Java	2020-12-18 08:44:55
6	Yong Ming-Jia	371	Java	2020-03-06 16:16:47
7	Destiny S Mhishi	374	Java	2016-01-17 06:53:35
8	Varsha Vasudev Kamath	375	Java	2021-04-26 13:17:57
9	Daniel Angulo Sanchez	378	Java	2016-04-02 06:38:44
10	Ahnaf Alam	383	Java	2025-03-06 22:44:39

#	User	Length	Language	Date
1	Tomáš Necky Necuda	308	JavaScript (Node.js)	2019-02-20 09:55:24
2	Gonçalo Novo	315	JavaScript (Node.js)	2025-07-24 21:52:06
3	Yassin Swag	320	JavaScript (Node.js)	2023-12-01 12:09:33
4	Fredrik Andersson	358	JavaScript (Node.js)	2019-03-07 18:36:09
5	Khin Nyunt	481	JavaScript (Node.js)	2021-11-30 15:30:57
6	Tilo Hirsch	558	JavaScript (Node.js)	2020-07-14 04:54:39
7	Peter Hairatidis	570	JavaScript (Node.js)	2023-04-18 23:23:26
8	Howard Tin Chi Chan	591	JavaScript (Node.js)	2021-02-04 17:55:10
9	Ram Basnet	673	JavaScript (Node.js)	2018-10-05 04:50:39
10	Giovani de SOUZA	700	JavaScript (Node.js)	2022-04-04 22:06:47

#	User	Length	Language	Date
1	Jimmy Gustafsson	104	JavaScript (SpiderMonkey)	2025-07-14 21:39:02
2	Peter Kedemo	134	JavaScript (SpiderMonkey)	2015-12-21 01:12:28
3	Casey Smith	146	JavaScript (SpiderMonkey)	2019-05-28 21:32:47
4	Nguyễn Mạnh Phúc	155	JavaScript (SpiderMonkey)	2018-09-01 16:38:25
5	Christian Pilegaard Cederquist	170	JavaScript (SpiderMonkey)	2023-01-31 19:35:58
6	Omar Al-Khashab	178	JavaScript (SpiderMonkey)	2018-04-24 09:36:45
7	J M	200	JavaScript (SpiderMonkey)	2016-10-29 15:56:24
8	Johannes Jensen	207	JavaScript (SpiderMonkey)	2016-03-30 12:20:18
9	Alan Delaney	215	JavaScript (SpiderMonkey)	2017-04-21 02:24:36
10	Bjørn Chr. Soltvedt	217	JavaScript (SpiderMonkey)	2016-01-16 11:23:15

#	User	Length	Language	Date
1	Danny Robinson	118	Julia	2023-06-21 23:02:56
2	Timothy Gaede	244	Julia	2024-04-17 15:00:09

#	User	Length	Language	Date
1	Sergey Jakobsen	191	Kotlin	2021-06-09 17:15:57
2	Dmitry Shostak	232	Kotlin	2018-08-20 14:25:36
3	Sarek Høverstad Skotåm	272	Kotlin	2020-10-07 22:56:56
4	Dayan Ruben Gonzalez	330	Kotlin	2020-09-28 01:15:05
5	Jacob Huebner	388	Kotlin	2022-11-04 22:41:17
6	Sam Keyser	399	Kotlin	2022-10-31 06:07:09
7	Merih Bora Poçan	491	Kotlin	2020-09-12 23:12:04
8	Adam Rankin	599	Kotlin	2023-04-23 20:32:17
9	Neil Harmon	650	Kotlin	2019-07-25 08:57:52
10	Zaw Myat	1227	Kotlin	2023-12-20 10:36:15

#	User	Length	Language	Date
1	Shinji Koshida	182	Lua	2025-04-01 22:58:08

#	User	Length	Language	Date
1	Shiroy Sattur	238	Nim	2025-10-25 03:52:01

#	User	Length	Language	Date
1	Evan Magill	201	OCaml	2023-11-09 03:20:42

#	User	Length	Language	Date
1	David Connolly	937	Pascal	2017-08-23 18:10:36

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-25 13:17:37

#	User	Length	Language	Date
1	Silvena Lam	416	PHP	2016-02-06 05:59:22
2	kyan harnum	462	PHP	2025-02-24 20:16:56

#	User	Length	Language	Date
1	Hadi Qovaizi	4833	Prolog	2016-04-18 16:37:08

#	User	Length	Language	Date
1	Thomas Feld	86	Python 2	2019-08-19 14:18:57
2	a_b__c	93	Python 2	2021-01-10 10:19:25
3	Guan Yang Ze	101	Python 2	2019-08-20 14:08:14
4	Hidden user	102	Python 2	2015-09-10 18:35:17
5	Kristian Gregorius Hustad	102	Python 2	2015-09-10 19:59:49
6	Christopher Boo	119	Python 2	2016-12-24 05:23:25
7	Andreas Eisele	119	Python 2	2018-09-07 11:29:56
8	Hidden user	122	Python 2	2016-12-26 16:53:15
9	Andreas Björklund	122	Python 2	2019-05-12 10:31:36
10	Hidden user	123	Python 2	2016-07-12 16:16:09

#	User	Length	Language	Date
1	Clement Oh	45	Python 3	2023-06-08 07:43:23
2	Benjamin Z White	52	Python 3	2023-05-11 19:45:09
3	Jaydan Aladro	66	Python 3	2023-02-06 20:52:10
4	Harry Zhang	66	Python 3	2023-09-21 12:58:32
5	Victor Song	68	Python 3	2024-01-02 08:44:17
6	Tai Tze Kin	71	Python 3	2024-05-03 17:44:29
7	Sebastian Boldsen Jakobsen	72	Python 3	2022-10-11 13:43:11
8	Jakob Rødal Skaar	79	Python 3	2023-11-11 19:50:22
9	Didrik Madheden	83	Python 3	2018-11-23 16:06:16
10	David Aldenbro	87	Python 3	2025-08-24 23:30:37

#	User	Length	Language	Date
1	Thomas Feld	32	Ruby	2023-01-12 13:27:10
2	Frederik Petersen	32	Ruby	2023-10-10 23:46:37
3	Gustav Elmqvist	33	Ruby	2023-02-17 18:45:08
4	Andreas Severin Hauch Trøstrup	44	Ruby	2023-10-10 23:04:43
5	Clement Oh	71	Ruby	2024-03-20 14:44:24
6	Zohar Malamant	76	Ruby	2018-04-21 00:50:49
7	Casper Christensen	127	Ruby	2016-01-11 15:42:36
8	Brooks Peterson	129	Ruby	2025-05-09 04:01:04
9	Hidden user	135	Ruby	2018-10-22 15:48:08
10	Dalton Parker Caron	138	Ruby	2019-01-04 02:04:44

#	User	Length	Language	Date
1	Vincent Lagerros	133	Rust	2024-12-03 23:57:15
2	Bas Dirks	303	Rust	2022-01-09 20:23:16
3	Artur Khuziakhmetov	312	Rust	2022-07-15 14:23:01
4	David Rasch	416	Rust	2021-02-26 17:08:14
5	Raphaël Gauthier	418	Rust	2022-07-26 11:27:03
6	Robert Janczewski	530	Rust	2020-02-05 21:03:30
7	Orga	541	Rust	2020-07-27 21:23:16
8	Jon Pacheco	549	Rust	2018-11-04 13:58:04
9	Joshua Freudenhammer	693	Rust	2025-09-29 20:19:55
10	Kalle Vigren	748	Rust	2024-05-24 18:32:25

#	User	Length	Language	Date
1	Min khant Kyaw	456	Visual Basic	2024-03-07 08:34:58

Solution running time distribution