Problem I
Secure Doors — Problem Statistics

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Submissions	8423
Accepted submissions	4139
Submission ratio	49.14%
Authors	4038
Accepted authors	3719
Author ratio	92.10%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-06-24 14:37:39
2	Thomas Feld	0.01 s	Bash	2023-06-28 15:16:06

#	User	Runtime	Language	Date
1	Piotr Karpala	0.02 s	C#	2015-08-15 00:18:26
2	Mathias Svensson	0.02 s	C#	2015-11-06 15:30:59
3	Ryan Kilbride	0.02 s	C#	2015-11-17 23:29:51
4	Khin Nyunt	0.02 s	C#	2016-04-17 06:32:47
5	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-05-10 18:02:29
6	Robert Low	0.02 s	C#	2016-07-21 16:39:15
7	Duelene Olson	0.02 s	C#	2016-09-26 21:47:16
8	Klas af Geijerstam	0.02 s	C#	2017-04-13 21:39:09
9	Rasmus Brants	0.02 s	C#	2017-05-05 10:09:20
10	Joseph Pugliano	0.02 s	C#	2017-05-17 19:56:32

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2022-07-15 10:09:25

#	User	Runtime	Language	Date
1	Steven Deutekom	0.04 s	Go	2019-09-02 00:46:01
2	Krzysztof Gibuła	0.07 s	Go	2019-03-15 23:22:58
3	Norbert Voelker	0.09 s	Go	2021-04-23 19:03:03
4	Neal McCarthy	0.11 s	Go	2018-04-17 02:41:35
5	James McDermott	0.11 s	Go	2018-04-26 22:48:16

#	User	Runtime	Language	Date
1	Johan Meier	0.00 s	Haskell	2017-01-11 04:45:53
2	Martin Jackson	0.00 s	Haskell	2017-04-12 02:47:44
3	César Antonio Carvajal de la Haza	0.00 s	Haskell	2017-05-02 10:26:35
4	Eirin Sognnes	0.00 s	Haskell	2018-02-20 20:19:00
5	Daniel Krueger	0.00 s	Haskell	2018-04-15 17:07:13
6	Sebastian Banert	0.00 s	Haskell	2023-09-03 17:07:36
7	Øyvind Almli	0.00 s	Haskell	2023-09-08 23:07:24
8	John Grzechowiak	0.01 s	Haskell	2017-03-07 00:20:58
9	Abel Martin	0.01 s	Haskell	2017-03-22 23:52:21
10	Matthew Johnson	0.01 s	Haskell	2017-05-10 03:41:13

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.06 s	Java	2016-10-01 15:52:20
2	William Fiset	0.06 s	Java	2016-11-25 03:55:44
3	Nguyễn Minh Tài	0.06 s	Java	2017-10-11 05:26:17
4	Lee Heng Sheng	0.06 s	Java	2024-04-28 07:50:50
5	Dennis Ang	0.07 s	Java	2015-10-05 10:48:59
6	Love Engman	0.07 s	Java	2015-10-06 10:01:37
7	Pål Forsberg	0.07 s	Java	2015-10-10 07:48:29
8	Michel Langeveld	0.07 s	Java	2015-12-08 22:08:07
9	Michael Sullivan	0.07 s	Java	2016-01-16 04:00:23
10	Hidden user	0.07 s	Java	2016-02-04 13:38:50

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	JavaScript (Node.js)	2024-09-01 17:25:27
2	Sander Hellesø	0.07 s	JavaScript (Node.js)	2019-04-24 06:42:05
3	Gurpartap Singh Bhatti	0.07 s	JavaScript (Node.js)	2019-05-24 06:04:02
4	Robin Sandström	0.07 s	JavaScript (Node.js)	2019-07-05 15:47:23
5	Matheus Vieira	0.08 s	JavaScript (Node.js)	2019-03-22 20:42:13
6	John	0.10 s	JavaScript (Node.js)	2022-07-17 07:51:42
7	Peter Hairatidis	0.13 s	JavaScript (Node.js)	2023-05-16 01:41:54
8	Robin Sandström	0.42 s	JavaScript (Node.js)	2019-07-05 22:43:09
9	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-03 03:49:08
10	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-18 08:48:09

#	User	Runtime	Language	Date
1	Oskar	0.01 s	JavaScript (SpiderMonkey)	2015-09-15 10:08:49
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-01 09:46:00
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-13 12:52:28
4	Gabriel Lau	0.01 s	JavaScript (SpiderMonkey)	2016-03-29 03:01:04
5	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-09-29 16:50:51
6	Cole Rauh	0.01 s	JavaScript (SpiderMonkey)	2016-10-07 22:47:39
7	Alan Delaney	0.01 s	JavaScript (SpiderMonkey)	2017-04-10 05:28:56
8	Paul Leung	0.02 s	JavaScript (SpiderMonkey)	2017-02-28 17:46:29
9	Casey Smith	0.03 s	JavaScript (SpiderMonkey)	2019-05-27 22:58:08
10	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-23 21:34:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.53 s	Julia	2024-03-27 08:28:06
2	Danny Robinson	0.56 s	Julia	2023-06-23 05:37:03
3	Charlie Collins	0.80 s	Julia	2023-08-26 23:02:13

#	User	Runtime	Language	Date
1	Jacob Huebner	0.17 s	Kotlin	2020-04-22 00:31:32
2	Marcin Wiśniowski	0.21 s	Kotlin	2017-09-29 12:23:23
3	Dayan Ruben Gonzalez	0.21 s	Kotlin	2020-09-30 07:40:02
4	Whitt Sanders	0.22 s	Kotlin	2023-05-16 01:23:53
5	Emil Wihlander	0.22 s	Kotlin	2023-07-25 14:19:00
6	Ahmed Waseem Saeed	0.23 s	Kotlin	2021-12-18 13:26:42
7	Zaw Myat	0.23 s	Kotlin	2024-01-25 19:48:52
8	Hidden user	0.24 s	Kotlin	2017-11-19 01:41:46
9	Jacob Stringer	0.24 s	Kotlin	2018-05-15 03:17:49
10	Adam Rankin	0.24 s	Kotlin	2023-05-01 18:36:47

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-05-20 13:08:54
2	David Connolly	0.01 s	Pascal	2017-08-31 14:31:33

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2017-07-06 20:33:20
2	Hidden user	0.01 s	PHP	2018-03-29 18:43:27
3	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-08 11:29:29
4	cojonas1	0.01 s	PHP	2021-02-04 15:03:44
5	Renate	0.01 s	PHP	2021-11-13 22:18:08
6	Sofia Söderberg	0.01 s	PHP	2022-02-20 19:19:19
7	Muhammad Asyraf bin Akop	0.01 s	PHP	2022-05-13 03:06:00
8	Andre Wahyudi	0.01 s	PHP	2022-10-24 06:59:41

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.03 s	Prolog	2016-04-19 00:54:21
2	Andriy Zyevakov	0.03 s	Prolog	2018-11-16 16:52:43
3	Hakan Kjellerstrand	0.03 s	Prolog	2023-02-06 09:19:24

#	User	Runtime	Language	Date
1	Petra Marc	0.02 s	Python 3	2015-08-18 22:39:47
2	Hidden user	0.02 s	Python 3	2015-10-11 22:03:45
3	田中恭太	0.02 s	Python 3	2015-10-24 02:54:38
4	Hidden user	0.02 s	Python 3	2015-10-29 06:13:36
5	Lev Tsypin	0.02 s	Python 3	2015-10-30 04:51:05
6	Pedro Juarez	0.02 s	Python 3	2015-10-30 22:16:47
7	Jaewon Yoon	0.02 s	Python 3	2015-10-31 00:21:15
8	Hidden user	0.02 s	Python 3	2015-10-31 23:11:51
9	Hidden user	0.02 s	Python 3	2015-10-31 23:13:21
10	Hidden user	0.02 s	Python 3	2015-11-01 02:04:34

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-15 15:56:12
2	Lasse Berglund	0.03 s	Ruby	2016-04-23 09:41:06
3	Clifford Owino	0.03 s	Ruby	2017-05-23 10:35:29
4	Hassan Al-ubeidi	0.03 s	Ruby	2017-09-29 12:50:12
5	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-22 23:17:15
6	Donald Dong	0.05 s	Ruby	2018-11-13 04:12:49
7	Savvas Alexandrou	0.05 s	Ruby	2018-12-12 09:19:21
8	Abelone S. Ritz	0.05 s	Ruby	2019-02-06 13:07:35
9	Thomas Feld	0.06 s	Ruby	2022-11-08 11:45:46
10	Garrett Shropshire	0.06 s	Ruby	2022-12-09 17:42:00

#	User	Length	Language	Date
1	Thomas Feld	81	Bash	2023-06-28 15:17:45
2	Danny Robinson	86	Bash	2023-06-24 14:37:39

#	User	Length	Language	Date
1	Martin Blom	399	C	2023-10-27 10:17:00
2	Eduardo Valdez	649	C	2017-02-07 08:28:02
3	furtive	803	C	2020-10-31 06:23:21
4	Matthew Hartono	910	C	2022-09-21 11:49:38
5	Mustapha Slimani	938	C	2020-05-28 15:10:58
6	Bingkun	1103	C	2017-09-29 14:31:59
7	紅茶	1146	C	2023-07-13 17:41:41
8	Johan Öhlin	1155	C	2017-09-19 09:56:51
9	Mikael K Eriksson	1165	C	2021-02-02 14:05:07
10	Toshi Taperek	1185	C	2019-02-14 04:22:35

#	User	Length	Language	Date
1	Anthony Ye	567	C#	2024-07-05 20:21:06
2	Esty Crow	636	C#	2024-06-21 07:46:16
3	Khin Nyunt	639	C#	2016-04-17 06:32:47
4	Benjamin Iserman	678	C#	2021-09-30 23:11:44
5	Klas af Geijerstam	808	C#	2017-04-13 21:39:09
6	Göran Andersson	964	C#	2022-05-09 23:30:22
7	Benjamin Bilbeau	997	C#	2023-11-01 18:14:42
8	Eric Weiss	999	C#	2022-06-22 21:49:54
9	Frian Tampake	1001	C#	2023-03-24 03:21:58
10	Christian Sumares	1046	C#	2020-05-08 00:20:32

#	User	Length	Language	Date
1	Antonio Molina Lovett	392	C++	2016-08-07 10:39:17
2	Jan Keith Darunday	397	C++	2016-02-14 22:20:10
3	Hyunjun Lee	408	C++	2022-11-10 23:47:44
4	Yeung Man Tsung	413	C++	2022-11-20 08:34:46
5	Mouad Naciri	425	C++	2017-04-10 14:00:12
6	Quang Cuong Luong	426	C++	2017-11-29 09:11:23
7	Armen Andreasyan	427	C++	2017-03-25 06:25:10
8	Zane Yu	441	C++	2018-12-13 11:48:15
9	Chur Zhe Yaw	445	C++	2019-07-03 09:45:34
10	Jason Yuan	449	C++	2015-12-11 23:25:38

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1821	F#	2022-07-15 10:09:25

#	User	Length	Language	Date
1	Krzysztof Gibuła	702	Go	2019-03-15 23:22:58
2	Neal McCarthy	729	Go	2018-04-17 02:41:35
3	Norbert Voelker	894	Go	2021-04-23 19:03:03
4	Steven Deutekom	1044	Go	2019-09-02 00:46:01
5	James McDermott	1160	Go	2018-04-26 22:48:16

#	User	Length	Language	Date
1	Øyvind Almli	453	Haskell	2023-09-08 23:07:24
2	Sebastian Banert	498	Haskell	2023-09-03 17:07:36
3	Rudi Svartveit	516	Haskell	2019-09-11 17:19:39
4	Håkon Flatval	522	Haskell	2018-09-03 17:49:37
5	Johan Meier	581	Haskell	2017-01-11 04:45:53
6	Hidden user	611	Haskell	2019-08-14 12:29:27
7	Steinar Simonnes	619	Haskell	2024-01-16 16:00:59
8	Martin Jackson	624	Haskell	2017-04-12 02:48:44
9	Matthew Johnson	699	Haskell	2017-05-10 03:30:35
10	Hidden user	773	Haskell	2024-03-23 11:00:05

#	User	Length	Language	Date
1	Lim Ting Kai	478	Java	2023-06-25 19:36:12
2	Doug Goodman	554	Java	2018-04-24 23:38:27
3	Thomas Sarlin	608	Java	2019-05-20 10:29:11
4	Kevin Kauffman	619	Java	2021-12-30 00:57:08
5	Jason Liu	627	Java	2023-08-24 18:20:13
6	Samuel Klingström	633	Java	2017-03-21 23:57:37
7	Duy Nguyen Truong	637	Java	2022-11-19 10:01:52
8	Alberto Alvarez	651	Java	2019-01-08 14:22:48
9	Benjamin Wen	654	Java	2023-05-22 10:58:00
10	Andreas Guldborg Hansen	699	Java	2022-09-06 16:23:28

#	User	Length	Language	Date
1	Quinn Flavel	545	JavaScript (Node.js)	2020-09-22 23:38:19
2	Peter Hairatidis	772	JavaScript (Node.js)	2023-05-16 01:41:54
3	Hidden user	797	JavaScript (Node.js)	2023-08-13 07:13:00
4	Robin Sandström	874	JavaScript (Node.js)	2019-07-05 15:47:23
5	Nguyen Erik	891	JavaScript (Node.js)	2022-05-25 23:32:32
6	Robin Sandström	917	JavaScript (Node.js)	2019-07-05 22:43:09
7	Chris Wong	931	JavaScript (Node.js)	2021-03-03 03:49:08
8	John	980	JavaScript (Node.js)	2022-07-17 07:51:42
9	Gurpartap Singh Bhatti	1057	JavaScript (Node.js)	2019-05-24 06:04:02
10	Hovhannes Kantuni	1073	JavaScript (Node.js)	2021-03-12 00:11:32

#	User	Length	Language	Date
1	Jimmy Gustafsson	177	JavaScript (SpiderMonkey)	2024-06-17 23:00:41
2	Christian Cederquist	205	JavaScript (SpiderMonkey)	2022-11-13 02:07:43
3	Oskar	316	JavaScript (SpiderMonkey)	2015-09-15 10:08:49
4	Evan Magill	339	JavaScript (SpiderMonkey)	2024-04-22 02:26:54
5	Peter Menyes	492	JavaScript (SpiderMonkey)	2021-08-23 21:34:29
6	Bjørn Chr. Soltvedt	505	JavaScript (SpiderMonkey)	2016-02-13 12:52:28
7	Peter Kedemo	545	JavaScript (SpiderMonkey)	2016-01-01 09:46:00
8	Tor Nordqvist	557	JavaScript (SpiderMonkey)	2022-12-12 19:58:58
9	Paul Leung	574	JavaScript (SpiderMonkey)	2017-02-28 17:46:29
10	Cole Rauh	575	JavaScript (SpiderMonkey)	2016-10-07 22:47:39

#	User	Length	Language	Date
1	Danny Robinson	164	Julia	2023-06-23 05:37:03
2	Charlie Collins	619	Julia	2023-08-26 21:15:50
3	Timothy Gaede	1793	Julia	2024-03-27 08:28:06

#	User	Length	Language	Date
1	Dmitry Shostak	491	Kotlin	2019-08-17 06:55:46
2	Einar Kjellback	509	Kotlin	2019-12-15 15:13:04
3	Hidden user	544	Kotlin	2017-11-19 01:41:46
4	Kim Stephen Bovim	608	Kotlin	2020-04-03 16:34:08
5	Emil Wihlander	678	Kotlin	2023-07-25 14:19:00
6	Dayan Ruben Gonzalez	695	Kotlin	2020-09-30 07:40:02
7	Jacob Huebner	721	Kotlin	2020-04-22 00:31:32
8	axl	722	Kotlin	2019-08-16 11:25:45
9	Ahmed Waseem Saeed	772	Kotlin	2021-12-18 13:26:42
10	Troy Warmboe	776	Kotlin	2020-02-12 01:55:03

#	User	Length	Language	Date
1	David Connolly	1388	Pascal	2017-08-31 14:31:33
2	Ingemar Ragnemalm	9363	Pascal	2018-05-20 13:08:54

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	630	PHP	2019-10-08 11:29:29
2	Renate	630	PHP	2021-11-13 22:18:08
3	Hidden user	677	PHP	2018-03-29 18:43:27
4	Sofia Söderberg	709	PHP	2022-02-20 19:19:19
5	Silvena Lam	741	PHP	2017-07-06 20:33:20
6	cojonas1	846	PHP	2021-02-04 15:03:44
7	Andre Wahyudi	1088	PHP	2022-10-24 06:59:41
8	Muhammad Asyraf bin Akop	1153	PHP	2022-05-13 03:06:00

#	User	Length	Language	Date
1	Andriy Zyevakov	571	Prolog	2018-11-16 16:52:43
2	Hakan Kjellerstrand	591	Prolog	2023-02-06 09:19:24
3	Hadi Qovaizi	5646	Prolog	2016-04-19 00:54:21

#	User	Length	Language	Date
1	Adam Levav	133	Python 3	2023-01-25 01:37:15
2	Morten Clausen	135	Python 3	2022-10-24 00:17:53
3	Thomas Draper	160	Python 3	2023-06-18 02:26:26
4	Charles Ancheta	167	Python 3	2023-04-07 22:27:17
5	Ahmed Chamseddine	226	Python 3	2023-11-20 22:50:46
6	K Lin	230	Python 3	2023-01-08 15:07:01
7	Thibault Raffaillac	257	Python 3	2023-07-29 23:50:48
8	Tai Tze Kin	258	Python 3	2024-05-01 21:15:49
9	Thore Husfeldt	271	Python 3	2019-03-10 11:30:05
10	Theo Coyne Morgan	273	Python 3	2019-04-20 21:37:22

#	User	Length	Language	Date
1	Thomas Feld	91	Ruby	2023-06-28 15:09:32
2	Donald Dong	310	Ruby	2018-11-13 04:12:49
3	Garrett Shropshire	322	Ruby	2022-12-09 17:42:00
4	Clifford Owino	333	Ruby	2017-05-23 10:35:29
5	Casper Christensen	396	Ruby	2016-03-15 15:56:12
6	Macdara mac an tSionnaigh	434	Ruby	2019-10-22 23:17:15
7	Lasse Berglund	490	Ruby	2016-04-23 09:41:06
8	Savvas Alexandrou	490	Ruby	2018-12-12 09:19:21
9	Hassan Al-ubeidi	849	Ruby	2017-09-29 12:50:12
10	Abelone S. Ritz	997	Ruby	2019-02-06 13:07:35

#	User	Length	Language	Date
1	Vincent Lagerros	331	Rust	2024-12-04 17:03:23
2	David Zacek	959	Rust	2021-06-05 03:00:17
3	Thomas	1024	Rust	2023-08-11 21:08:11
4	Pankajkumar Patro	1090	Rust	2024-11-01 13:54:04
5	Bas Dirks	1107	Rust	2022-01-02 21:37:20
6	David Rasch	1133	Rust	2022-07-03 16:40:54
7	Eric Pinter	1142	Rust	2021-05-30 02:49:54
8	Kalle Vigren	1169	Rust	2024-06-15 00:29:05
9	Albert Rise Nielsen	1175	Rust	2020-11-14 15:47:35
10	Freek van Keulen	1308	Rust	2021-07-25 14:55:06

Solution running time distribution