Problem A
Deathstar — Problem Statistics

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Submissions	2954
Accepted submissions	2103
Submission ratio	71.19%
Authors	1614
Full solves [?]	1556
Full solve Ratio	96.41%

#	User	Runtime	Language	Date
1	Thomas Feld	0.68 s	Bash	2023-09-27 14:38:06
2	Chenzhang Hu	0.76 s	Bash	2024-05-28 19:17:59

#	User	Runtime	Language	Date
1	Wayne	0.00 s	C	2016-03-31 00:11:11
2	Agis Daniels	0.00 s	C	2022-01-12 15:41:49
3	Hidden user	0.01 s	C	2017-05-10 11:11:09
4	Jason Cannon	0.01 s	C	2019-11-20 20:32:25
5	Love Engman	0.06 s	C	2016-08-19 10:47:05
6	Rafhael Genio	0.06 s	C	2016-09-08 22:10:24
7	Hidden user	0.06 s	C	2016-09-11 05:30:17
8	Brian Joshua Revilla	0.06 s	C	2016-09-11 08:04:22
9	Ayoub Arraji	0.06 s	C	2017-05-06 00:13:52
10	Jón Steinn Elíasson	0.06 s	C	2017-07-03 20:14:00

#	User	Runtime	Language	Date
1	Esty Crow	0.10 s	C#	2023-05-27 07:23:40
2	Anthony Ye	0.10 s	C#	2023-05-28 18:43:18
3	traxex	0.10 s	C#	2024-05-08 15:05:09
4	Matias Raldes Leon	0.12 s	C#	2025-05-22 15:38:45
5	Krzysztof Magda	0.13 s	C#	2023-05-02 18:26:04
6	samvid mistry	0.13 s	C#	2024-12-28 21:07:49
7	Thomas Norris	0.16 s	C#	2019-10-30 17:06:02
8	Pavel Volgarev	0.24 s	C#	2016-11-17 05:33:38
9	Brennen Shaughnessy	0.24 s	C#	2018-10-03 02:03:45
10	Anders Høy Seemann Vestergaard	0.34 s	C#	2018-10-02 22:20:43

#	User	Runtime	Language	Date
1	Daniel Schemmel	0.00 s	C++	2016-10-03 22:00:28
2	Grae Yeandle	0.00 s	C++	2016-12-12 15:30:52
3	Sergio Vieri	0.00 s	C++	2018-02-18 04:54:26
4	Ian DeHaan	0.00 s	C++	2019-06-14 02:46:39
5	Agis Daniels	0.00 s	C++	2022-01-12 15:40:59
6	Andreas Wingqvist	0.00 s	C++	2023-04-03 15:18:07
7	Le Manh Khuong	0.01 s	C++	2019-01-03 03:32:24
8	Nguyen Van Bang	0.01 s	C++	2019-01-03 03:51:55
9	Jason Cannon	0.01 s	C++	2019-11-20 20:21:11
10	Sebastian Sternberg	0.01 s	C++	2021-03-11 12:09:31

#	User	Runtime	Language	Date
1	Husain Satan	0.03 s	Go	2023-11-13 22:52:17
2	Norbert Voelker	0.08 s	Go	2021-05-03 13:02:30

#	User	Runtime	Language	Date
1	Jan Hrček	0.03 s	Haskell	2021-03-23 16:16:38
2	Sebastian Banert	0.03 s	Haskell	2023-09-26 23:29:08
3	Brent Yorgey	0.04 s	Haskell	2017-11-19 06:00:06
4	Stian	0.04 s	Haskell	2021-10-12 11:25:05
5	Hidden user	0.05 s	Haskell	2019-09-22 14:33:37
6	Jørn Lode	0.05 s	Haskell	2021-10-11 18:51:07
7	Steinar Simonnes	0.05 s	Haskell	2024-01-31 09:17:56

#	User	Runtime	Language	Date
1	Samuel Klingström	0.08 s	Java	2017-05-12 02:29:44
2	Paul Boddington	0.10 s	Java	2016-05-12 11:17:54
3	Kin Leung Yip	0.12 s	Java	2021-12-05 17:50:33
4	John Roush	0.13 s	Java	2016-10-20 17:29:05
5	Nick Wu	0.24 s	Java	2016-08-15 03:39:38
6	Sam Reinehr	0.24 s	Java	2018-09-06 06:06:11
7	Terrence Park	0.25 s	Java	2016-03-30 21:33:40
8	Mohideen Imran Khan	0.25 s	Java	2018-06-19 11:31:34
9	José Vander Meulen	0.25 s	Java	2018-12-25 19:12:22
10	Jonathan Easterday	0.26 s	Java	2016-11-03 17:28:17

#	User	Runtime	Language	Date
1	Kaede	0.12 s	JavaScript (Node.js)	2023-12-12 16:07:03
2	Andoko Chandra	0.49 s	JavaScript (Node.js)	2020-10-24 20:37:28
3	Elliot Lim	0.52 s	JavaScript (Node.js)	2020-11-11 17:12:36

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.05 s	JavaScript (SpiderMonkey)	2024-06-15 23:04:29
2	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-01-18 12:44:31
3	Peter Menyes	0.10 s	JavaScript (SpiderMonkey)	2021-09-22 19:34:36
4	Tony Shen	0.14 s	JavaScript (SpiderMonkey)	2018-04-06 22:49:59
5	Bjørn Chr. Soltvedt	0.15 s	JavaScript (SpiderMonkey)	2019-04-25 02:21:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.83 s	Julia	2024-06-19 08:17:21

#	User	Runtime	Language	Date
1	Jacob Huebner	0.51 s	Kotlin	2020-04-20 21:25:11
2	Johnny Baloney	0.55 s	Kotlin	2022-01-07 02:32:29
3	Emil Wihlander	0.61 s	Kotlin	2023-07-28 15:45:50
4	Jesper Bech Christensen	0.61 s	Kotlin	2023-09-06 11:13:24
5	Neil Harmon	0.65 s	Kotlin	2019-09-03 10:16:55
6	Adam Rankin	0.66 s	Kotlin	2023-04-27 19:01:03
7	Adam Koprowski	0.72 s	Kotlin	2020-08-21 15:35:45
8	Min-Zheng Shieh	0.79 s	Kotlin	2021-03-12 08:49:16

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.06 s	Pascal	2019-02-27 21:52:11

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.07 s	Python 2	2016-04-16 11:12:41
2	Fredrik Horn Dannert	0.07 s	Python 2	2021-01-10 15:08:43
3	James Lawson	0.08 s	Python 2	2019-03-01 14:41:18
4	Hidden user	0.08 s	Python 2	2019-07-02 11:33:11
5	Johan Lyts	0.08 s	Python 2	2019-08-16 21:39:32
6	Lars Åström	0.08 s	Python 2	2019-09-27 20:23:30
7	Yanmarshus Bachtiar	0.08 s	Python 2	2020-08-18 14:37:13
8	Jesper Öqvist	0.09 s	Python 2	2018-10-26 17:23:06
9	Marcus Johansson	0.09 s	Python 2	2019-05-18 13:14:19
10	Thomas Feld	0.09 s	Python 2	2019-09-10 13:10:44

#	User	Runtime	Language	Date
1	Michael Goldwasser	0.08 s	Python 3	2024-09-05 02:52:36
2	Petr	0.08 s	Python 3	2025-06-20 01:10:57
3	Hidden user	0.08 s	Python 3	2025-08-29 16:35:49
4	Micol Giacomin	0.08 s	Python 3	2025-09-23 01:57:44
5	Eric Tourigny	0.08 s	Python 3	2025-10-23 23:24:52
6	ANBARASI R	0.08 s	Python 3	2026-03-09 16:21:29
7	台北六中	0.08 s	Python 3	2026-03-13 18:04:17
8	Wouter Dijkstra	0.09 s	Python 3	2022-06-08 08:20:50
9	Lex Janssens	0.09 s	Python 3	2022-08-21 19:14:08
10	Clement Oh	0.09 s	Python 3	2023-05-11 17:10:47

#	User	Runtime	Language	Date
1	Clement Oh	0.24 s	Ruby	2023-11-13 08:34:20
2	Si Jie Tan	0.24 s	Ruby	2025-12-12 09:05:31
3	Kok Dith	0.30 s	Ruby	2021-08-22 16:01:43
4	Daniel Kuwahara	0.37 s	Ruby	2018-04-06 20:56:56
5	Thomas Feld	0.65 s	Ruby	2022-12-13 09:35:22

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-02-24 10:24:45
2	Pankajkumar Patro	0.01 s	Rust	2024-09-15 22:13:32
3	Anshil Gandhi	0.02 s	Rust	2020-08-15 19:32:02
4	Eric Pinter	0.02 s	Rust	2021-06-15 07:29:36
5	Bas Dirks	0.02 s	Rust	2022-01-30 14:20:32
6	Magix	0.02 s	Rust	2022-06-13 01:10:58
7	Reis Faar	0.02 s	Rust	2023-05-29 22:56:59
8	許哲瑋	0.02 s	Rust	2024-03-22 09:02:41
9	Aleksandr Kovalev	0.02 s	Rust	2024-06-08 14:09:57
10	Freek van Keulen	0.03 s	Rust	2021-12-23 12:33:36

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Zig	2025-02-03 11:14:02

#	User	Length	Language	Date
1	Chenzhang Hu	24	Bash	2025-09-13 04:00:14
2	Thomas Feld	24	Bash	2025-09-18 12:58:41

#	User	Length	Language	Date
1	Ian Howell	237	C	2019-03-29 20:55:24
2	Raymond Yang	243	C	2021-12-26 18:19:04
3	Wayne	258	C	2016-03-30 23:54:51
4	Reuben James Loquinario	262	C	2024-08-23 12:05:29
5	Roemer Caliboso	286	C	2024-09-10 15:20:23
6	Hidden user	311	C	2021-06-07 03:57:13
7	Hidden user	317	C	2016-09-11 05:30:17
8	Brian Joshua Revilla	317	C	2016-09-11 08:04:22
9	Bouasria Samia	378	C	2020-12-12 15:33:34
10	Ayoub Arraji	392	C	2017-05-06 00:13:52

#	User	Length	Language	Date
1	traxex	300	C#	2024-05-08 15:05:09
2	Anthony Ye	342	C#	2023-05-28 18:43:18
3	Esty Crow	408	C#	2023-05-27 07:23:40
4	Thomas Norris	541	C#	2019-10-30 17:02:12
5	stefan	657	C#	2022-07-21 16:53:26
6	Krzysztof Magda	787	C#	2023-05-02 18:26:04
7	Mikael Fiala-Lundström	827	C#	2021-07-03 23:07:32
8	Anders Høy Seemann Vestergaard	837	C#	2018-10-02 22:21:25
9	Brennen Shaughnessy	915	C#	2018-10-03 02:03:45
10	samvid mistry	1201	C#	2024-12-28 21:07:49

#	User	Length	Language	Date
1	Tyler Fernando	126	C++	2022-11-21 11:54:18
2	Đậu Huy Minh	206	C++	2023-09-21 17:02:41
3	Zhang Bin	207	C++	2018-02-24 04:02:37
4	David Chik	228	C++	2020-06-25 04:49:33
5	High Ray	231	C++	2022-03-15 10:54:44
6	Antonio Molina Lovett	236	C++	2016-08-11 10:34:18
7	Siew Jing Hong	237	C++	2020-06-28 08:00:00
8	William Gan	238	C++	2018-12-05 07:35:12
9	Raynold Ng	239	C++	2018-01-02 04:12:32
10	Charles Tsai	239	C++	2022-03-17 11:10:21

#	User	Length	Language	Date
1	Husain Satan	467	Go	2023-11-13 22:52:17
2	Norbert Voelker	945	Go	2021-05-03 13:02:30

#	User	Length	Language	Date
1	Sebastian Banert	280	Haskell	2023-09-26 23:29:08
2	Brent Yorgey	374	Haskell	2017-11-19 05:51:26
3	Jan Hrček	565	Haskell	2021-03-23 16:18:07
4	Stian	654	Haskell	2021-10-12 11:25:05
5	Steinar Simonnes	666	Haskell	2024-01-31 09:17:56
6	Jørn Lode	674	Haskell	2021-10-11 18:51:07
7	Hidden user	4421	Haskell	2019-09-22 14:33:37

#	User	Length	Language	Date
1	John Roush	379	Java	2016-10-19 23:56:46
2	Antonio Ramos	385	Java	2017-10-11 17:56:35
3	Caeden Whitaker	391	Java	2020-10-15 20:52:43
4	Edward Flores	408	Java	2021-09-29 20:10:44
5	Muhammad Iqbal Bin Imran	421	Java	2021-05-29 06:36:26
6	Patrick Karp	435	Java	2017-03-08 15:15:57
7	Gavin Wolf	438	Java	2017-10-11 15:33:59
8	Nicholas Benson	458	Java	2017-03-02 04:19:15
9	Duncan Page	475	Java	2018-11-27 00:19:19
10	Doug Goodman	499	Java	2017-10-05 21:19:49

#	User	Length	Language	Date
1	Kaede	649	JavaScript (Node.js)	2023-12-12 16:07:03
2	Andoko Chandra	843	JavaScript (Node.js)	2020-10-24 20:37:28
3	Elliot Lim	864	JavaScript (Node.js)	2020-11-11 17:12:36

#	User	Length	Language	Date
1	Jimmy Gustafsson	95	JavaScript (SpiderMonkey)	2024-06-15 23:10:10
2	Bjørn Chr. Soltvedt	167	JavaScript (SpiderMonkey)	2019-04-25 02:21:51
3	Peter Menyes	201	JavaScript (SpiderMonkey)	2021-09-22 19:34:36
4	Christian Pilegaard Cederquist	223	JavaScript (SpiderMonkey)	2023-01-18 12:43:26
5	Tony Shen	508	JavaScript (SpiderMonkey)	2018-04-06 22:49:59

#	User	Length	Language	Date
1	Timothy Gaede	1218	Julia	2024-06-19 08:17:21

#	User	Length	Language	Date
1	Jesper Bech Christensen	196	Kotlin	2023-09-06 11:13:24
2	Min-Zheng Shieh	229	Kotlin	2021-03-12 08:49:16
3	Adam Rankin	365	Kotlin	2023-04-27 19:01:03
4	Emil Wihlander	379	Kotlin	2023-07-28 15:45:50
5	Jacob Huebner	437	Kotlin	2020-04-20 21:25:11
6	Adam Koprowski	445	Kotlin	2020-08-21 15:35:45
7	Johnny Baloney	709	Kotlin	2022-01-07 02:32:29
8	Neil Harmon	774	Kotlin	2019-09-03 10:16:55

#	User	Length	Language	Date
1	Ingemar Ragnemalm	501	Pascal	2019-02-27 21:52:11

#	User	Length	Language	Date
1	Thomas Feld	133	Python 2	2019-09-10 13:10:44
2	Lars Åström	165	Python 2	2019-09-27 20:23:30
3	Johan Lyts	168	Python 2	2019-08-16 21:40:09
4	Jesper Öqvist	171	Python 2	2018-10-26 17:23:06
5	Fredrik Horn Dannert	209	Python 2	2021-01-10 15:08:43
6	Christofer Ohlsson	223	Python 2	2016-04-16 11:12:41
7	Marcus Johansson	302	Python 2	2019-05-18 13:14:19
8	Yanmarshus Bachtiar	304	Python 2	2020-08-18 14:37:13
9	James Lawson	326	Python 2	2019-03-01 14:41:18
10	Andreas Björklund	396	Python 2	2019-03-10 19:30:52

#	User	Length	Language	Date
1	Wouter Dijkstra	55	Python 3	2022-06-08 08:39:23
2	Guk Yi Siong	69	Python 3	2023-07-23 19:01:16
3	Badr Kamel	78	Python 3	2020-05-16 18:06:14
4	Tam Keng Hong	83	Python 3	2023-01-04 20:01:12
5	Si Jie Tan	84	Python 3	2025-12-12 09:07:56
6	Clement Oh	90	Python 3	2023-05-11 17:10:47
7	Hidden user	91	Python 3	2023-07-05 08:55:38
8	Paul Swingle	95	Python 3	2022-12-10 10:17:26
9	Tobias Bessler	96	Python 3	2023-09-20 20:40:10
10	Hidden user	96	Python 3	2025-12-18 13:21:49

#	User	Length	Language	Date
1	Thomas Feld	26	Ruby	2022-12-13 09:35:22
2	Clement Oh	69	Ruby	2023-11-13 08:34:20
3	Si Jie Tan	74	Ruby	2025-12-12 09:05:31
4	Kok Dith	167	Ruby	2021-08-22 16:01:43
5	Daniel Kuwahara	311	Ruby	2018-04-06 20:56:56

#	User	Length	Language	Date
1	Pankajkumar Patro	673	Rust	2024-09-15 22:13:32
2	Freek van Keulen	734	Rust	2021-12-23 12:33:36
3	Aleksandr Kovalev	804	Rust	2024-06-08 14:09:57
4	Anshil Gandhi	998	Rust	2020-08-15 19:32:02
5	許哲瑋	1068	Rust	2024-03-22 09:02:41
6	Eric Pinter	1086	Rust	2021-06-15 07:29:36
7	Reis Faar	1131	Rust	2023-05-29 22:56:59
8	Magix	1339	Rust	2022-06-13 01:10:58
9	Bas Dirks	1535	Rust	2022-01-30 14:20:32
10	Isak Jägberg	2437	Rust	2024-10-20 16:16:26

#	User	Length	Language	Date
1	Hidden user	1548	Zig	2025-02-03 11:14:02

Solution running time distribution