Problem K
Undead or Alive — Problem Statistics

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Submissions	6194
Accepted submissions	3316
Submission ratio	53.54%
Authors	3104
Full solves [?]	2969
Full solve Ratio	95.65%

#	User	Runtime	Language	Date
1	Steve Allen	0.01 s	APL	2023-04-23 02:45:10
2	Matzuka	0.01 s	APL	2025-03-17 09:41:48

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2025-09-13 00:33:34

#	User	Runtime	Language	Date
1	Toby Maynard	0.03 s	C#	2023-04-18 18:15:53
2	El Tunas	0.03 s	C#	2023-04-21 02:34:23
3	Ricardo Becerra Cerón	0.03 s	C#	2023-04-21 02:34:44
4	Aiden Bilyeu	0.03 s	C#	2023-05-07 19:54:34
5	Gretel Rojas	0.03 s	C#	2023-06-01 04:44:39
6	Maykal Droshev	0.03 s	C#	2023-06-13 10:17:04
7	Frian Tampake	0.03 s	C#	2023-06-14 05:27:48
8	Marcus Sebastian Emil Holmgaard	0.03 s	C#	2023-06-20 13:38:41
9	Julius Reiter	0.03 s	C#	2023-06-22 10:45:27
10	Joel Keleta	0.03 s	C#	2023-06-30 11:45:57

#	User	Runtime	Language	Date
1	Freek van Keulen	0.00 s	COBOL	2023-04-06 08:42:04
2	Michael van den Beukel	0.00 s	COBOL	2023-04-11 08:49:16
3	Jhony	0.00 s	COBOL	2023-07-18 07:01:09
4	Tobias Glimmerfors	0.00 s	COBOL	2023-08-14 18:45:12

#	User	Runtime	Language	Date
1	Michal Žáček	0.01 s	Common Lisp	2023-04-30 18:20:12
2	Ralf Jonas	0.01 s	Common Lisp	2023-09-07 12:15:12
3	Norvell Spearman	0.03 s	Common Lisp	2025-01-04 22:46:53

#	User	Runtime	Language	Date
1	Mehrshad Kavousi	0.00 s	Crystal	2026-01-14 01:19:11

#	User	Runtime	Language	Date
1	Bobby Jonathan	0.01 s	Dart	2023-07-25 14:12:46
2	Christoforos Pantazi	0.01 s	Dart	2023-09-11 08:53:56

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-05-11 16:21:56
2	Jacob To	0.06 s	F#	2023-11-15 00:51:15

#	User	Runtime	Language	Date
1	dick move	0.00 s	Go	2023-07-03 21:57:32
2	Yuwono Bangun Nagoro	0.00 s	Go	2023-08-12 15:51:05
3	Matthew Sheldon	0.00 s	Go	2023-09-05 19:05:23
4	Diego Saldias	0.00 s	Go	2023-10-28 13:58:31
5	Clark Vince Diala	0.00 s	Go	2024-05-09 21:34:37
6	Joseph Winkie	0.00 s	Go	2025-01-23 00:18:34
7	Jimmy Nejtron	0.02 s	Go	2023-04-10 14:30:20
8	Norbert Voelker	0.02 s	Go	2023-04-11 20:33:26

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-05-21 01:54:28
2	Markus Bao	0.04 s	Java	2025-06-20 22:14:45
3	Nur Qistina Nadzirah	0.04 s	Java	2025-10-16 15:34:34
4	Lee Heng Sheng	0.05 s	Java	2024-04-17 05:40:18
5	Ku Brian	0.05 s	Java	2024-04-29 06:16:10
6	Hussin Suleiman	0.05 s	Java	2024-06-15 18:32:08
7	Luna Quist Poulsen	0.05 s	Java	2024-06-18 14:17:26
8	Karam Alkontar	0.06 s	Java	2022-11-26 18:36:05
9	Tamonash Chakraborty	0.06 s	Java	2022-11-26 18:36:34
10	Logan Pipes	0.06 s	Java	2022-11-26 18:55:14

#	User	Runtime	Language	Date
1	Athergaming	0.04 s	JavaScript (Node.js)	2023-10-12 06:34:17
2	Hidden user	0.04 s	JavaScript (Node.js)	2024-09-17 17:21:52
3	Stela Palii	0.04 s	JavaScript (Node.js)	2024-11-28 17:01:34
4	Gonçalo Novo	0.04 s	JavaScript (Node.js)	2025-07-24 15:27:40
5	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-10-14 10:51:51
6	Carson Bragg	0.05 s	JavaScript (Node.js)	2023-09-22 14:32:03
7	JUAN JOSE GARCIA TORRES	0.05 s	JavaScript (Node.js)	2023-10-21 14:01:34
8	Faisal Rahman	0.05 s	JavaScript (Node.js)	2024-02-08 07:09:32
9	August Danell Håkansson	0.09 s	JavaScript (Node.js)	2023-05-10 19:36:05

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-04-05 14:26:56
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-05 17:41:35
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-14 00:51:50
4	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-13 17:34:43
5	daniyal	0.02 s	JavaScript (SpiderMonkey)	2024-05-15 14:24:11
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-05-30 13:02:50
7	Aziz Souiai	0.02 s	JavaScript (SpiderMonkey)	2025-01-29 02:49:18
8	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-07-02 01:42:34

#	User	Runtime	Language	Date
1	Danny Robinson	0.25 s	Julia	2023-06-22 02:07:41
2	Timothy Gaede	0.44 s	Julia	2024-03-20 07:38:08
3	Daryll Ko	0.45 s	Julia	2023-04-28 16:16:26

#	User	Runtime	Language	Date
1	Troy Warmboe	0.17 s	Kotlin	2023-04-10 19:56:01
2	Emil Wihlander	0.17 s	Kotlin	2023-05-07 19:35:39
3	Deddy Chandra	0.19 s	Kotlin	2023-04-21 09:36:19
4	Hidden user	0.19 s	Kotlin	2023-06-29 05:30:31
5	Zaw Myat	0.19 s	Kotlin	2024-01-14 13:54:07
6	Martijn Muijsers	0.19 s	Kotlin	2024-05-27 16:48:39
7	Synnøve Nordvik Helgesen	0.19 s	Kotlin	2024-06-09 11:46:59
8	jonas lølanl	0.19 s	Kotlin	2024-06-20 17:49:47
9	Adam Rankin	0.20 s	Kotlin	2023-04-20 23:19:57
10	Ola Sundell	0.24 s	Kotlin	2024-10-26 16:02:51

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-23 17:37:14

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2023-04-17 15:33:26
2	Ingemar Ragnemalm	0.00 s	Pascal	2023-04-18 18:13:16

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-09 01:14:24
2	Russell Ng	0.00 s	Perl	2024-08-28 11:28:16
3	JoonYorigami	0.00 s	Perl	2025-04-26 14:02:39

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2023-05-26 06:49:14
2	Renate Fiala-Lundström	0.01 s	PHP	2023-06-30 00:55:54

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-03-22 16:01:16

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2023-04-05 12:46:47
2	Yanmarshus Bachtiar	0.03 s	Python 2	2023-04-25 01:59:09
3	Johan Lyts	0.03 s	Python 2	2023-05-09 19:41:50
4	Oliver	0.03 s	Python 2	2023-11-20 13:26:37
5	Sivasankaran D	0.07 s	Python 2	2025-08-01 12:32:48
6	KALAJAYANTHI M	0.07 s	Python 2	2025-09-26 09:02:37

#	User	Runtime	Language	Date
1	Victor Chen	0.04 s	Python 3	2022-11-26 18:31:47
2	Matthew Tran	0.04 s	Python 3	2022-11-26 18:35:04
3	Golden Lin	0.04 s	Python 3	2022-11-26 18:37:06
4	Kexuan Miao	0.04 s	Python 3	2022-11-26 18:39:29
5	Md Akif Chowdhury	0.04 s	Python 3	2022-11-26 18:40:04
6	Isaac Lee	0.04 s	Python 3	2022-11-26 18:40:15
7	Sraavan Sridhar	0.04 s	Python 3	2022-11-26 18:44:36
8	Johann Ly	0.04 s	Python 3	2022-11-26 18:47:15
9	Zachary Lau	0.04 s	Python 3	2022-11-26 18:53:05
10	Frank Li	0.04 s	Python 3	2022-11-26 18:53:36

#	User	Runtime	Language	Date
1	Angus Gibson	0.13 s	Racket	2025-07-15 01:58:14

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.06 s	Ruby	2023-04-06 14:47:42
2	Thomas Feld	0.06 s	Ruby	2023-04-11 12:22:53
3	Eugen Neagoe	0.06 s	Ruby	2023-05-03 20:54:39
4	Drew Wilson	0.06 s	Ruby	2023-05-29 19:15:37
5	Miorel Palii	0.06 s	Ruby	2023-06-13 06:20:04
6	Frederik Petersen	0.06 s	Ruby	2023-10-18 21:38:01
7	Vishal Mohanty	0.06 s	Ruby	2024-08-28 13:03:47
8	dick move	0.07 s	Ruby	2024-07-07 15:18:22
9	Chenzhang Hu	0.13 s	Ruby	2025-09-22 15:09:59

#	User	Runtime	Language	Date
1	Danial Haseeb	0.00 s	Swift	2023-10-08 10:35:30

#	User	Runtime	Language	Date
1	Dina D	0.04 s	TypeScript	2024-06-26 18:33:42
2	Rebecka Nordqvist	0.04 s	TypeScript	2025-07-15 12:45:00
3	Sean Hagen	0.09 s	TypeScript	2023-04-05 18:06:52

#	User	Runtime	Language	Date
1	Jhony Andreas	0.04 s	Visual Basic	2023-07-05 04:45:10

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-28 20:57:28

#	User	Length	Language	Date
1	Steve Allen	100	APL	2023-04-23 02:45:10
2	Matzuka	322	APL	2025-03-17 09:41:48

#	User	Length	Language	Date
1	Chenzhang Hu	78	Bash	2025-09-13 00:33:34

#	User	Length	Language	Date
1	Martin Blom	182	C	2023-09-18 14:46:25
2	Oliver Noreklev	329	C	2025-09-29 11:22:29
3	THARANI G	366	C	2025-04-07 09:50:49
4	Carro	368	C	2023-07-22 19:56:42
5	Colton Palmer	375	C	2023-08-08 20:42:23
6	Thafa Fadillah Ramdani	382	C	2023-11-20 03:24:41
7	Owen Limantoro	386	C	2024-08-02 03:20:58
8	Gabriel Lavier	390	C	2024-01-05 01:32:39
9	David S	415	C	2025-01-13 18:11:22
10	Mai Nam Nguyen	424	C	2023-10-17 20:45:22

#	User	Length	Language	Date
1	Gregory Sinclair	139	C#	2023-11-04 20:28:39
2	Mikael Palokangas	144	C#	2023-08-07 18:14:30
3	Jan Matthiessen	148	C#	2024-03-30 20:20:37
4	Aiden Bilyeu	274	C#	2023-05-07 19:54:34
5	traxex	318	C#	2024-04-19 14:11:10
6	Gustav Junedahl	348	C#	2023-11-01 20:23:49
7	Mhmt Tan	368	C#	2023-08-30 22:14:14
8	Frian Tampake	385	C#	2023-06-14 05:27:48
9	Mehdi Khamse	397	C#	2023-08-23 06:59:02
10	George Tabet	477	C#	2024-07-07 22:35:22

#	User	Length	Language	Date
1	Evan Michael Bailey	238	C++	2024-02-13 00:09:13
2	Clinton Connelly	282	C++	2023-11-15 22:57:16
3	Arvid Jonasson	293	C++	2025-06-11 11:39:08
4	Dmytro Bilotserkovets	296	C++	2024-05-17 14:34:53
5	Izz Hafeez Bin Zek Hazley	297	C++	2023-08-01 11:49:14
6	Osama Albahrani	298	C++	2023-07-26 21:09:05
7	Grae Yeandle	304	C++	2023-04-06 17:40:55
8	Sarji Elijah See Bona	312	C++	2025-06-09 16:12:05
9	Brilliant Misalayuk	323	C++	2026-01-13 16:38:58
10	Frederik Vase	328	C++	2024-06-08 17:07:35

#	User	Length	Language	Date
1	Michael van den Beukel	700	COBOL	2023-04-11 08:49:16
2	Freek van Keulen	701	COBOL	2023-04-06 08:42:04
3	Jhony	731	COBOL	2023-07-18 07:01:09
4	Tobias Glimmerfors	1643	COBOL	2023-08-14 18:45:12

#	User	Length	Language	Date
1	Michal Žáček	257	Common Lisp	2023-04-30 18:20:12
2	Ralf Jonas	331	Common Lisp	2023-09-07 12:15:12
3	Norvell Spearman	403	Common Lisp	2025-01-04 22:46:53

#	User	Length	Language	Date
1	Mehrshad Kavousi	190	Crystal	2026-01-14 01:19:11

#	User	Length	Language	Date
1	Christoforos Pantazi	522	Dart	2023-09-11 08:53:56
2	Bobby Jonathan	667	Dart	2023-07-25 14:12:46

#	User	Length	Language	Date
1	Jacob To	329	F#	2023-11-15 00:51:15
2	Jacob Harris Cryer Kragh	407	F#	2023-05-11 16:21:56

#	User	Length	Language	Date
1	dick move	349	Go	2023-07-03 21:57:32
2	Diego Saldias	410	Go	2023-10-28 13:58:31
3	Yuwono Bangun Nagoro	420	Go	2023-08-12 15:51:05
4	Clark Vince Diala	455	Go	2024-05-09 21:34:37
5	Joseph Winkie	456	Go	2025-01-23 00:18:34
6	Matthew Sheldon	475	Go	2023-09-05 19:05:23
7	Jimmy Nejtron	511	Go	2023-04-10 14:30:20
8	Norbert Voelker	593	Go	2023-04-11 20:33:26

#	User	Length	Language	Date
1	Rudy Matela	127	Haskell	2024-11-29 10:48:38
2	John Doe	128	Haskell	2023-04-13 14:20:45
3	Herdi Saleh	171	Haskell	2025-05-21 19:00:56
4	Brent Yorgey	175	Haskell	2023-04-09 20:46:08
5	Sebastian Banert	215	Haskell	2023-04-05 16:38:45
6	Matthew A Johnson	215	Haskell	2023-05-11 02:24:35
7	Øyvind Almli	268	Haskell	2023-07-10 12:12:33
8	Timur Khazhiev	277	Haskell	2025-06-18 13:45:53
9	Jan Hrček	292	Haskell	2023-05-13 11:29:46
10	Hidden user	305	Haskell	2023-04-08 05:13:50

#	User	Length	Language	Date
1	Crystal Sharpe	231	Java	2023-08-30 02:57:07
2	Lim Ting Kai	306	Java	2023-05-29 10:47:09
3	Markus Klockar	336	Java	2024-09-18 09:21:16
4	Marshall Vaught	343	Java	2025-06-05 01:36:54
5	Thanh Le	349	Java	2023-04-21 16:26:25
6	Nathaniel Lukas Christianto	377	Java	2023-12-26 09:21:37
7	Markus Bao	398	Java	2025-06-20 22:14:45
8	soham pattanayek	406	Java	2026-01-18 03:08:13
9	Apple T	423	Java	2025-05-13 12:05:10
10	Cory Haas	427	Java	2023-04-12 11:20:52

#	User	Length	Language	Date
1	Erlend Raa Vågset	261	JavaScript (Node.js)	2025-10-14 10:51:51
2	Gonçalo Novo	358	JavaScript (Node.js)	2025-07-24 15:27:40
3	Hidden user	435	JavaScript (Node.js)	2023-07-27 01:55:49
4	Athergaming	533	JavaScript (Node.js)	2023-10-12 06:34:17
5	Stela Palii	580	JavaScript (Node.js)	2024-11-28 17:01:34
6	JUAN JOSE GARCIA TORRES	589	JavaScript (Node.js)	2023-10-21 14:01:34
7	Faisal Rahman	664	JavaScript (Node.js)	2024-02-08 07:09:32
8	Carson Bragg	723	JavaScript (Node.js)	2023-09-22 14:32:03
9	August Danell Håkansson	743	JavaScript (Node.js)	2023-05-10 19:36:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	104	JavaScript (SpiderMonkey)	2024-05-30 13:02:50
2	Bjørn Chr. Soltvedt	162	JavaScript (SpiderMonkey)	2023-04-05 14:31:25
3	Ben Armstrong	185	JavaScript (SpiderMonkey)	2025-07-02 01:42:34
4	Zach Tschetter	191	JavaScript (SpiderMonkey)	2023-04-14 00:51:50
5	Evan Magill	194	JavaScript (SpiderMonkey)	2024-04-13 17:34:43
6	daniyal	252	JavaScript (SpiderMonkey)	2024-05-15 14:24:11
7	Christian Pilegaard Cederquist	254	JavaScript (SpiderMonkey)	2023-04-05 17:41:35
8	Aziz Souiai	383	JavaScript (SpiderMonkey)	2025-01-29 02:49:18

#	User	Length	Language	Date
1	Danny Robinson	116	Julia	2023-06-22 02:07:41
2	Daryll Ko	305	Julia	2023-04-28 16:16:26
3	Timothy Gaede	650	Julia	2024-03-20 07:38:08

#	User	Length	Language	Date
1	Synnøve Nordvik Helgesen	272	Kotlin	2024-06-09 11:46:59
2	Troy Warmboe	274	Kotlin	2023-04-10 19:56:01
3	Zaw Myat	304	Kotlin	2024-01-14 13:54:07
4	jonas lølanl	308	Kotlin	2024-06-20 17:49:47
5	Emil Wihlander	370	Kotlin	2023-05-07 19:35:39
6	Adam Rankin	390	Kotlin	2023-04-20 23:19:57
7	Martijn Muijsers	750	Kotlin	2024-05-27 16:48:39
8	Deddy Chandra	797	Kotlin	2023-04-21 09:36:19
9	Hidden user	830	Kotlin	2023-06-29 05:30:31
10	Ola Sundell	830	Kotlin	2024-10-26 16:02:51

#	User	Length	Language	Date
1	Hidden user	589	Odin	2025-04-23 17:37:14

#	User	Length	Language	Date
1	Ingemar Ragnemalm	463	Pascal	2023-04-18 18:13:16
2	David Connolly	529	Pascal	2023-04-17 15:33:26

#	User	Length	Language	Date
1	Saito Ta	63	Perl	2024-04-09 01:14:24
2	JoonYorigami	64	Perl	2025-04-26 14:02:39
3	Russell Ng	78	Perl	2024-08-28 11:28:16

#	User	Length	Language	Date
1	Renate Fiala-Lundström	305	PHP	2023-06-30 00:55:54
2	Andre Wahyudi	814	PHP	2023-05-26 06:49:14

#	User	Length	Language	Date
1	Andriy Zyevakov	1145	Prolog	2025-03-22 16:01:16

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	161	Python 2	2023-04-25 01:59:09
2	Johan Lyts	168	Python 2	2023-05-09 19:41:50
3	Sivasankaran D	284	Python 2	2025-08-01 12:32:48
4	KALAJAYANTHI M	287	Python 2	2025-09-26 09:02:37
5	Oliver	379	Python 2	2023-11-20 13:26:37
6	Hasan Kalzi	448	Python 2	2023-04-05 12:46:47

#	User	Length	Language	Date
1	Lyndon Ho	83	Python 3	2023-07-25 03:35:25
2	Willó Corry	84	Python 3	2023-04-08 19:41:58
3	Casper Rysgaard	84	Python 3	2023-04-12 11:40:53
4	Pelle Danasten	84	Python 3	2023-05-04 12:57:03
5	Wouter Dijkstra	84	Python 3	2023-08-10 11:32:11
6	Tobias Glimmerfors	84	Python 3	2023-08-14 19:02:34
7	Harry Zhang	84	Python 3	2023-08-14 21:49:59
8	Si Jie Tan	84	Python 3	2025-12-20 10:09:44
9	Peter Stauder	85	Python 3	2023-04-06 15:33:29
10	Guk Yi Siong	85	Python 3	2023-04-07 08:02:16

#	User	Length	Language	Date
1	Angus Gibson	310	Racket	2025-07-15 01:58:14

#	User	Length	Language	Date
1	Vishal Mohanty	58	Ruby	2024-08-28 17:28:46
2	Thomas Feld	72	Ruby	2023-04-11 12:30:03
3	dick move	73	Ruby	2024-07-07 18:24:13
4	Frederik Petersen	78	Ruby	2023-10-18 21:38:01
5	Alexander Bilde Pedersen	170	Ruby	2023-04-06 14:47:42
6	Chenzhang Hu	180	Ruby	2025-09-22 15:09:59
7	Drew Wilson	221	Ruby	2023-05-29 19:15:37
8	Eugen Neagoe	247	Ruby	2023-05-03 20:54:39
9	Miorel Palii	262	Ruby	2023-06-13 06:20:04

#	User	Length	Language	Date
1	David Aldenbro	195	Rust	2023-10-21 10:07:14
2	Artur Khuziakhmetov	272	Rust	2023-08-02 17:16:33
3	Vincent Lagerros	342	Rust	2024-11-10 15:47:22
4	Emil Dichmann	353	Rust	2025-08-20 20:07:38
5	Pankajkumar Patro	371	Rust	2024-07-15 19:21:52
6	Bas Dirks	410	Rust	2023-05-25 11:28:20
7	Aza Maulana Hadi	416	Rust	2024-03-12 15:54:01
8	Selim Yetkin	443	Rust	2023-07-31 21:52:38
9	Selim Yetkin	443	Rust	2023-08-01 23:54:52
10	Simon Grünwald	479	Rust	2023-07-10 12:00:38

#	User	Length	Language	Date
1	Danial Haseeb	390	Swift	2023-10-08 10:35:30

#	User	Length	Language	Date
1	Dina D	527	TypeScript	2024-06-26 18:33:42
2	Rebecka Nordqvist	547	TypeScript	2025-07-15 12:45:00
3	Sean Hagen	690	TypeScript	2023-04-05 18:06:52

#	User	Length	Language	Date
1	Jhony Andreas	834	Visual Basic	2023-07-05 04:45:10

#	User	Length	Language	Date
1	Grettir Heimisson	3019	Zig	2025-10-28 20:57:28

Solution running time distribution