Problem D
Combination Lock — Problem Statistics

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Submissions	5557
Accepted submissions	1986
Submission ratio	35.74%
Authors	1957
Full solves [?]	1652
Full solve Ratio	84.41%

#	User	Runtime	Language	Date
1	Max NC	0.23 s	APL	2023-09-11 22:49:09
2	Thomas Feld	0.23 s	APL	2023-09-12 12:54:27

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-09-12 12:04:14

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2017-04-27 21:28:08
2	Hidden user	0.02 s	C#	2017-09-07 18:05:10
3	Саттар Имамов	0.02 s	C#	2017-11-02 23:54:41
4	Nils Lenart	0.02 s	C#	2020-04-01 15:07:29
5	Hakan Yurt	0.02 s	C#	2023-03-28 08:20:17
6	Jeremiah A. Stringer	0.03 s	C#	2017-09-20 20:42:42
7	Jacob Aufdenberg	0.03 s	C#	2019-07-09 18:27:45
8	Daniel Fennhagen	0.03 s	C#	2019-09-18 14:32:01
9	Simon Aydin	0.03 s	C#	2020-09-12 22:03:28
10	Chi Tran	0.03 s	C#	2020-12-09 04:51:40

#	User	Runtime	Language	Date
1	David Cawthon	0.03 s	Common Lisp	2019-05-25 17:20:00

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	F#	2022-07-21 18:38:16

#	User	Runtime	Language	Date
1	Aditya Tresnobudi	0.00 s	Go	2026-03-29 16:00:27
2	Husain Satan	0.01 s	Go	2023-12-02 11:38:38
3	Magix	0.02 s	Go	2020-09-18 13:36:09
4	Norbert Voelker	0.03 s	Go	2021-03-28 20:45:33
5	Hidden user	0.03 s	Go	2025-01-12 00:38:19
6	Christian Vestergaard	0.08 s	Go	2021-05-02 19:14:45
7	Carl Mårshagen	0.13 s	Go	2018-06-13 00:08:03
8	Peter Sutherland	0.13 s	Go	2018-06-19 22:47:06

#	User	Runtime	Language	Date
1	Evan Wilde	0.01 s	Haskell	2017-02-23 19:53:41
2	César Antonio Carvajal de la Haza	0.01 s	Haskell	2017-04-25 16:26:38
3	Brent Yorgey	0.01 s	Haskell	2017-11-08 03:59:35
4	Hidden user	0.01 s	Haskell	2022-04-23 12:03:36
5	Emanuel Särnhammar	0.01 s	Haskell	2022-06-18 16:51:39
6	Brandon Tang	0.01 s	Haskell	2022-07-17 10:09:19
7	Hidden user	0.01 s	Haskell	2022-12-27 13:00:08
8	Erik Olof Ossian Eriksson	0.01 s	Haskell	2023-01-19 16:39:19
9	Attila Koszo	0.01 s	Haskell	2023-02-02 15:49:40
10	Sebastian Banert	0.01 s	Haskell	2023-04-23 15:35:08

#	User	Runtime	Language	Date
1	Issa Issack	0.05 s	Java	2025-04-07 19:03:04
2	Khánh Nguyễn Tiến	0.06 s	Java	2018-07-27 10:37:29
3	John Ladera	0.06 s	Java	2018-11-18 07:25:46
4	Joachim Borup	0.06 s	Java	2022-11-18 00:34:00
5	Hans Gylling	0.07 s	Java	2010-02-05 04:55:43
6	Ashkan Jahanbakhsh	0.07 s	Java	2011-12-19 15:22:26
7	Ashu Yadav	0.07 s	Java	2018-07-01 09:11:47
8	Emil Bak-Møller	0.07 s	Java	2020-09-11 11:19:16
9	Simon Kristiansen	0.07 s	Java	2020-11-16 12:55:53
10	Kristoffer Borgstrøm	0.07 s	Java	2020-12-07 20:58:56

#	User	Runtime	Language	Date
1	Peter D'Elia	0.06 s	JavaScript (Node.js)	2023-11-10 17:14:28
2	Sander Hellesø	0.09 s	JavaScript (Node.js)	2019-04-20 08:30:22
3	Wee Jong Cheong	0.43 s	JavaScript (Node.js)	2021-04-01 16:04:35
4	Peter Kedemo	0.46 s	JavaScript (Node.js)	2020-01-02 18:28:14

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-02-20 04:11:58
2	Nguyễn Hùng Cường	0.03 s	JavaScript (SpiderMonkey)	2018-07-27 08:34:53
3	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-06-06 09:24:42
4	Andrew Stoute	0.03 s	JavaScript (SpiderMonkey)	2023-11-09 20:45:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.52 s	Julia	2024-05-27 05:53:47

#	User	Runtime	Language	Date
1	Hidden user	0.14 s	Kotlin	2020-04-30 03:29:24
2	Adam Rankin	0.27 s	Kotlin	2023-09-01 06:55:39
3	Troy Warmboe	0.28 s	Kotlin	2023-04-14 22:55:08
4	Dayan Ruben Gonzalez	0.29 s	Kotlin	2020-10-11 03:19:13
5	Benjamin Laurence Erickson	0.30 s	Kotlin	2022-11-08 17:33:57
6	Ali M. Nekoh	0.31 s	Kotlin	2025-06-05 11:16:10
7	Dmitry Shostak	0.32 s	Kotlin	2019-09-22 18:00:18
8	Alexandre Conte	0.32 s	Kotlin	2021-08-22 12:10:24

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Nim	2025-05-22 09:06:22

#	User	Runtime	Language	Date
1	Ludovic Mignot	0.01 s	OCaml	2020-07-06 11:50:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-25 12:22:17

#	User	Runtime	Language	Date
1	陳建宏	0.01 s	PHP	2021-06-10 06:34:38

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2018-12-06 19:52:31
2	Joakim Blikstad	0.03 s	Prolog	2017-04-12 23:34:57

#	User	Runtime	Language	Date
1	Matt Bonsall	0.04 s	Python 2	2017-02-26 22:40:29
2	Isaac Lee	0.04 s	Python 2	2017-03-02 00:26:32
3	Sigurður Jens Albertsson	0.04 s	Python 2	2017-11-08 14:05:21
4	Andrei Stoica	0.04 s	Python 2	2017-12-19 11:44:53
5	Sam Thomas	0.04 s	Python 2	2018-09-26 00:42:42
6	Lim Hong Hui Eugene	0.04 s	Python 2	2019-04-25 03:55:38
7	Christofer Ohlsson	0.05 s	Python 2	2017-02-14 21:46:37
8	Hidden user	0.05 s	Python 2	2017-04-12 11:28:23
9	Darshan Patel	0.05 s	Python 2	2017-10-01 05:54:57
10	Michael Marzullo	0.05 s	Python 2	2018-09-15 22:17:48

#	User	Runtime	Language	Date
1	Isaac Lee	0.02 s	Python 3	2017-03-02 00:24:26
2	Sarah Harvey	0.02 s	Python 3	2017-03-05 07:41:43
3	Ram Basnet	0.02 s	Python 3	2017-03-09 01:33:07
4	Josenildo Silva	0.02 s	Python 3	2017-07-08 23:57:27
5	Arjun Blum	0.02 s	Python 3	2017-09-27 00:49:20
6	Brian Nguyen	0.02 s	Python 3	2017-09-27 01:39:19
7	Punnavit Akkarapitakchai	0.02 s	Python 3	2017-09-27 01:43:28
8	Nick Jarvis	0.02 s	Python 3	2017-10-05 01:08:43
9	Ryan Florida	0.02 s	Python 3	2017-10-29 01:06:31
10	Ive Xu	0.02 s	Python 3	2017-12-18 16:13:04

#	User	Runtime	Language	Date
1	Anthony Lam	0.03 s	Ruby	2017-10-07 07:42:16
2	Hidden user	0.04 s	Ruby	2017-02-14 17:43:35
3	Thomas Feld	0.07 s	Ruby	2023-02-13 15:16:29
4	Russell Ng	0.07 s	Ruby	2025-05-23 21:37:30

#	User	Length	Language	Date
1	Max NC	52	APL	2023-09-13 11:00:35
2	Thomas Feld	59	APL	2023-09-12 12:56:56

#	User	Length	Language	Date
1	Thomas Feld	72	Bash	2023-09-12 12:04:14

#	User	Length	Language	Date
1	Eduardo Núñez	144	C	2024-03-02 00:25:10
2	Hidden user	147	C	2025-01-29 19:19:11
3	Hidden user	227	C	2019-08-04 05:07:31
4	Sebastian Pucher	255	C	2022-07-15 22:22:21
5	Sujan Roy	272	C	2020-04-28 12:23:28
6	Ng Wei Jie	275	C	2020-02-17 18:46:12
7	Magnus Hegdahl	283	C	2020-07-29 23:52:56
8	Jón Steinn Elíasson	287	C	2017-06-14 17:20:40
9	Brian Spain	287	C	2017-11-11 01:35:41
10	Ralph Martin Montero	287	C	2018-03-26 14:30:00

#	User	Length	Language	Date
1	Håkan Sjöström	577	C#	2021-11-18 13:49:33
2	Daniel Fennhagen	616	C#	2019-09-18 14:32:01
3	Hakan Yurt	764	C#	2023-03-27 15:28:53
4	Leandro de Gonzaga Peres	842	C#	2023-02-15 20:40:23
5	Jwan Resho	845	C#	2025-04-03 07:44:42
6	Danish Ali	849	C#	2025-06-28 16:52:33
7	Sebastian Sternberg	851	C#	2021-02-20 21:16:09
8	Саттар Имамов	861	C#	2017-11-02 23:54:41
9	Hidden user	971	C#	2017-09-07 18:05:10
10	Jeremiah A. Stringer	978	C#	2017-09-20 20:42:42

#	User	Length	Language	Date
1	Tyler Fernando	212	C++	2022-11-07 03:11:14
2	Way Tan	222	C++	2018-12-03 18:13:38
3	Austin Fernandez	227	C++	2019-07-30 18:37:00
4	Shafquat Mahbub	233	C++	2020-07-21 16:18:19
5	Cristhian Yamith Cely Oliveros	235	C++	2024-03-25 21:34:26
6	Amanual Degu	241	C++	2022-08-29 15:57:19
7	Nasis Dereje	244	C++	2022-08-05 15:48:55
8	Keefe Johnson	255	C++	2017-05-30 09:23:27
9	Timothy Wan Kai Yang	258	C++	2022-10-08 03:25:13
10	Christian Yongwhan Lim	261	C++	2023-06-16 23:24:08

#	User	Length	Language	Date
1	David Cawthon	1125	Common Lisp	2019-05-25 17:20:00

#	User	Length	Language	Date
1	Hidden user	893	F#	2022-07-21 18:38:16

#	User	Length	Language	Date
1	Aditya Tresnobudi	488	Go	2026-03-29 16:00:27
2	Norbert Voelker	552	Go	2021-03-28 20:45:33
3	Carl Mårshagen	575	Go	2018-06-13 00:55:04
4	Hidden user	663	Go	2025-01-12 00:38:19
5	Husain Satan	908	Go	2023-12-02 11:38:38
6	Peter Sutherland	918	Go	2018-06-19 22:47:06
7	Magix	1502	Go	2020-09-18 13:36:09
8	Christian Vestergaard	1540	Go	2021-05-02 19:15:24

#	User	Length	Language	Date
1	Fabian Mitterwallner	115	Haskell	2025-02-05 02:19:46
2	Udo Stenzel	161	Haskell	2023-04-30 00:32:04
3	Hidden user	221	Haskell	2022-12-27 13:00:08
4	Sebastian Banert	292	Haskell	2023-04-23 15:35:08
5	Brent Yorgey	339	Haskell	2017-11-08 03:59:35
6	Erik Olof Ossian Eriksson	348	Haskell	2023-01-19 16:39:19
7	Emanuel Särnhammar	408	Haskell	2022-06-18 16:51:39
8	César Antonio Carvajal de la Haza	409	Haskell	2017-04-25 16:26:38
9	Agus Sentosa Hermawan	437	Haskell	2021-11-26 12:40:50
10	Patrik Lilja	489	Haskell	2017-06-27 21:36:14

#	User	Length	Language	Date
1	Maki Nishikino	402	Java	2018-09-27 20:44:53
2	Doug Goodman	411	Java	2017-09-22 23:47:04
3	Sathvik Kuthuru	420	Java	2018-09-27 21:20:29
4	Andre Le	470	Java	2017-10-05 10:30:15
5	Mitch Price	497	Java	2017-02-26 21:39:38
6	Nam Phan Thành	518	Java	2018-07-27 09:34:17
7	Jiru Xu	519	Java	2017-09-17 04:32:03
8	Sơn Phạm Huỳnh	536	Java	2018-07-27 10:32:26
9	Tyler Pittenger	557	Java	2022-01-05 08:58:11
10	Jayson Rook	559	Java	2017-10-05 00:38:46

#	User	Length	Language	Date
1	Peter D'Elia	781	JavaScript (Node.js)	2023-11-10 17:14:28
2	Sander Hellesø	796	JavaScript (Node.js)	2019-04-20 08:30:22
3	Peter Kedemo	821	JavaScript (Node.js)	2020-01-02 18:28:14
4	Wee Jong Cheong	2594	JavaScript (Node.js)	2021-04-01 16:04:35

#	User	Length	Language	Date
1	Nguyễn Hùng Cường	306	JavaScript (SpiderMonkey)	2018-07-27 10:27:46
2	Bjørn Chr. Soltvedt	316	JavaScript (SpiderMonkey)	2017-02-20 04:11:58
3	Christian Pilegaard Cederquist	943	JavaScript (SpiderMonkey)	2023-06-06 09:24:42
4	Andrew Stoute	1172	JavaScript (SpiderMonkey)	2023-11-09 20:45:13

#	User	Length	Language	Date
1	Timothy Gaede	803	Julia	2024-05-27 05:53:47

#	User	Length	Language	Date
1	Adam Rankin	286	Kotlin	2023-09-01 06:55:39
2	Dmitry Shostak	481	Kotlin	2019-09-22 18:00:18
3	Dayan Ruben Gonzalez	536	Kotlin	2020-10-11 03:19:13
4	Benjamin Laurence Erickson	573	Kotlin	2022-11-08 17:33:57
5	Alexandre Conte	629	Kotlin	2021-08-22 12:10:24
6	Ali M. Nekoh	896	Kotlin	2025-06-05 11:16:10
7	Troy Warmboe	919	Kotlin	2023-04-14 22:55:08
8	Hidden user	1325	Kotlin	2020-04-30 03:29:24

#	User	Length	Language	Date
1	Hidden user	535	Nim	2025-05-22 09:06:22

#	User	Length	Language	Date
1	Ludovic Mignot	984	OCaml	2020-07-06 11:56:24

#	User	Length	Language	Date
1	Ingemar Ragnemalm	994	Pascal	2018-09-25 12:22:17

#	User	Length	Language	Date
1	陳建宏	469	PHP	2021-06-10 06:34:38

#	User	Length	Language	Date
1	Andriy Zyevakov	591	Prolog	2018-12-06 19:52:31
2	Joakim Blikstad	1347	Prolog	2017-04-12 23:34:57

#	User	Length	Language	Date
1	Thomas Feld	144	Python 2	2019-09-26 12:33:28
2	Johan Lyts	171	Python 2	2019-08-02 15:00:01
3	Matt Bonsall	241	Python 2	2017-02-26 22:40:29
4	Lim Hong Hui Eugene	266	Python 2	2019-04-25 03:55:38
5	William Gan	267	Python 2	2017-12-19 03:23:46
6	Christofer Ohlsson	289	Python 2	2017-02-14 21:46:37
7	Michael Marzullo	289	Python 2	2018-09-15 22:17:48
8	Jesper Öqvist	296	Python 2	2018-10-30 10:49:59
9	Ethan Arnold	302	Python 2	2017-09-16 01:26:30
10	Ethan Arnold	302	Python 2	2017-09-17 05:37:53

#	User	Length	Language	Date
1	Christopher Kopp	93	Python 3	2023-03-02 20:57:31
2	Ahmed Chamseddine	106	Python 3	2025-06-12 12:28:44
3	Guk Yi Siong	107	Python 3	2023-01-06 17:35:03
4	Chung Yan Chow	120	Python 3	2026-02-28 02:29:38
5	Casper Rysgaard	122	Python 3	2023-12-03 13:05:03
6	Noah Hessen Bjerke	123	Python 3	2023-01-03 18:04:47
7	Charles Ancheta	123	Python 3	2023-03-25 22:13:51
8	Rafael Kristoforus Yanto	123	Python 3	2025-02-21 04:32:45
9	Tai Tze Kin	125	Python 3	2024-05-11 11:37:02
10	Jason Cannon	137	Python 3	2019-12-05 04:52:34

#	User	Length	Language	Date
1	Thomas Feld	87	Ruby	2023-02-13 15:16:29
2	Russell Ng	91	Ruby	2025-05-23 21:37:30
3	Hidden user	365	Ruby	2017-02-14 17:43:35
4	Anthony Lam	805	Ruby	2017-10-07 07:42:16

#	User	Length	Language	Date
1	Hidden user	551	Rust	2025-04-03 22:39:52
2	Bas Dirks	619	Rust	2022-01-19 07:29:41
3	Josip Smolcic	620	Rust	2023-04-30 00:17:02
4	Hidden user	647	Rust	2025-12-30 18:47:05
5	Artur Khuziakhmetov	692	Rust	2022-07-24 09:07:22
6	Adam Gausmann	732	Rust	2022-12-27 04:50:02
7	David Zacek	791	Rust	2021-12-26 23:57:05
8	Thobias Larsen	822	Rust	2023-02-01 11:38:05
9	Melvyn Depeyrot	1174	Rust	2025-01-10 01:39:15
10	Arvid Rehnberg	1175	Rust	2025-01-17 22:13:47

Solution running time distribution