Problem I
Secret Message — Problem Statistics

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Submissions	10485
Accepted submissions	5573
Submission ratio	53.15%
Authors	5075
Full solves [?]	4721
Full solve Ratio	93.02%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.10 s	Bash	2024-04-16 14:09:24

#	User	Runtime	Language	Date
1	Piotr Karpala	0.02 s	C#	2015-10-03 14:28:50
2	Marcin Dudek	0.02 s	C#	2015-10-04 19:14:32
3	Deni Spasovski	0.02 s	C#	2015-10-11 22:29:41
4	Khin Nyunt	0.02 s	C#	2016-01-24 04:13:57
5	Faisal Rahman	0.02 s	C#	2016-03-11 13:19:38
6	Joe Amenta	0.02 s	C#	2016-04-04 18:08:22
7	Piotr Karpala	0.02 s	C#	2016-09-26 01:41:28
8	Rail Sabirov	0.02 s	C#	2016-10-11 08:06:34
9	Стас Иванов	0.02 s	C#	2016-10-26 17:31:44
10	Moo	0.02 s	C#	2017-07-13 18:35:47

#	User	Runtime	Language	Date
1	David Cawthon	0.07 s	Common Lisp	2019-05-10 11:54:56

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-09-17 19:00:05

#	User	Runtime	Language	Date
1	Raj Shekhar	0.02 s	Go	2020-12-13 16:37:48
2	Nicklesh	0.02 s	Go	2020-12-13 21:46:38
3	Péter Szakszon	0.02 s	Go	2022-01-17 18:09:48
4	Norbert Voelker	0.09 s	Go	2021-04-23 21:57:08
5	Michael Laszlo	0.10 s	Go	2016-10-11 22:30:33
6	Nathan Lee	0.35 s	Go	2025-09-06 18:45:55
7	Kyle Weaver	0.48 s	Go	2018-11-04 02:11:05
8	Marcin Dudek	0.52 s	Go	2016-09-21 17:54:11
9	Hidden user	0.55 s	Go	2016-05-28 17:32:39
10	Joel Gritter	0.55 s	Go	2021-12-30 15:23:09

#	User	Runtime	Language	Date
1	Tim Put	0.02 s	Haskell	2019-09-17 00:02:41
2	Caleb Surovik	0.02 s	Haskell	2021-07-12 01:53:30
3	Carl Agrell	0.04 s	Haskell	2016-09-29 16:04:09
4	Intrets	0.04 s	Haskell	2019-08-26 15:15:31
5	Steinar Simonnes	0.04 s	Haskell	2024-01-31 07:17:50
6	Mitchell Wright	0.05 s	Haskell	2019-09-14 01:07:36
7	Ola Berglund	0.05 s	Haskell	2024-11-17 19:46:39
8	Max Jackson	0.06 s	Haskell	2016-05-01 14:40:30
9	Peter Deal	0.06 s	Haskell	2016-05-06 21:49:41
10	Tobias Glimmerfors	0.06 s	Haskell	2020-01-26 11:39:35

#	User	Runtime	Language	Date
1	Petr Ryšavý	0.10 s	Java	2015-10-03 17:09:12
2	Jorge Andres Moreno Mera	0.10 s	Java	2017-08-24 05:33:25
3	Johnny Tan	0.11 s	Java	2015-10-03 17:09:14
4	Andy Rock	0.11 s	Java	2015-10-03 17:27:30
5	Matthew Bregg	0.11 s	Java	2015-10-03 18:26:29
6	Eskil Jarlskog	0.11 s	Java	2016-01-26 11:36:38
7	Martijn Muijsers	0.11 s	Java	2016-09-25 12:43:21
8	William Brigham	0.11 s	Java	2017-04-24 07:05:39
9	Oliver Stenberg Jakobsen	0.11 s	Java	2017-10-10 20:50:20
10	Sven Rönnbäck	0.11 s	Java	2021-01-18 20:20:22

#	User	Runtime	Language	Date
1	Thatcher Healy	0.10 s	JavaScript (Node.js)	2025-09-25 16:13:10
2	Dag Jomar Mersland	0.44 s	JavaScript (Node.js)	2019-10-27 23:10:56
3	Niamh Limerick	0.44 s	JavaScript (Node.js)	2022-02-04 01:09:19
4	Noah Witte	0.44 s	JavaScript (Node.js)	2022-04-09 02:23:02
5	Chris Wong	0.47 s	JavaScript (Node.js)	2021-02-19 21:05:36
6	Keaton Robel	0.47 s	JavaScript (Node.js)	2022-04-07 01:54:18
7	Andoko Chandra	0.48 s	JavaScript (Node.js)	2020-10-11 12:22:53
8	Hidden user	0.49 s	JavaScript (Node.js)	2020-11-18 00:18:28
9	Khin Nyunt	0.52 s	JavaScript (Node.js)	2021-11-29 14:58:06

#	User	Runtime	Language	Date
1	Rofel Ganado	0.03 s	JavaScript (SpiderMonkey)	2016-01-27 03:57:37
2	Zachary DeStefano	0.03 s	JavaScript (SpiderMonkey)	2018-02-06 23:31:32
3	Arend van Erk	0.04 s	JavaScript (SpiderMonkey)	2015-10-18 16:19:52
4	Peter Kedemo	0.04 s	JavaScript (SpiderMonkey)	2015-12-18 20:10:00
5	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2016-01-16 14:47:00
6	Stanislav Bivolarski	0.04 s	JavaScript (SpiderMonkey)	2017-04-14 16:18:39
7	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2017-08-26 13:11:46
8	Davíð Helgason	0.04 s	JavaScript (SpiderMonkey)	2019-06-20 20:54:17
9	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2024-07-19 21:52:31
10	Evan Magill	0.04 s	JavaScript (SpiderMonkey)	2024-11-24 19:11:55

#	User	Runtime	Language	Date
1	Timothy Gaede	0.73 s	Julia	2024-05-11 06:58:50

#	User	Runtime	Language	Date
1	Johnny Baloney	0.21 s	Kotlin	2021-12-08 15:42:49
2	Jacob Huebner	0.23 s	Kotlin	2020-03-17 04:02:18
3	Ronald Cruz	0.24 s	Kotlin	2017-12-09 01:13:41
4	Dmitry Shostak	0.24 s	Kotlin	2018-06-21 16:36:45
5	Adam Rankin	0.31 s	Kotlin	2023-08-25 23:07:12
6	Neil Harmon	0.36 s	Kotlin	2019-05-06 09:18:25
7	Troy Warmboe	0.44 s	Kotlin	2020-02-11 00:55:48
8	Orlando de Andrade Figueiredo	0.46 s	Kotlin	2020-08-28 23:58:47
9	Philipp Maksimov	0.56 s	Kotlin	2020-04-25 14:37:11
10	Thanh Le	0.84 s	Kotlin	2021-08-07 15:23:36

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.12 s	Lua	2023-11-29 20:14:19
2	Caleb Austin	0.17 s	Lua	2024-08-23 22:12:13

#	User	Runtime	Language	Date
1	Sebastian Banert	0.01 s	OCaml	2024-07-19 16:46:06
2	Hidden user	0.02 s	OCaml	2023-12-29 18:07:56

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Odin	2025-06-10 20:47:40

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2017-08-08 21:51:05
2	David Connolly	0.02 s	Pascal	2017-08-23 15:42:27
3	Hidden user	0.02 s	Pascal	2019-09-30 02:43:51

#	User	Runtime	Language	Date
1	Renate	0.02 s	PHP	2021-11-13 22:14:59
2	Steven D. Wilson	0.03 s	PHP	2016-03-25 16:55:07
3	Silvena Lam	0.04 s	PHP	2016-02-10 12:29:38
4	Rakibul Hassan	0.05 s	PHP	2021-01-18 01:06:29
5	Hidden user	0.06 s	PHP	2018-02-23 20:15:11
6	Connor Billings	0.13 s	PHP	2019-12-31 21:59:53
7	Alessandro Pasqualini	0.23 s	PHP	2019-01-13 12:15:19
8	Nicolas Marsceau	0.25 s	PHP	2016-08-26 19:52:08

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.32 s	Prolog	2023-02-06 09:32:52

#	User	Runtime	Language	Date
1	Snild Dolkow	0.03 s	Python 2	2015-10-04 06:05:29
2	Asger Hautop Drewsen	0.03 s	Python 2	2015-11-03 20:09:50
3	Jie Liang Lee	0.04 s	Python 2	2015-10-03 16:37:27
4	Caleb Bryant	0.04 s	Python 2	2015-10-03 17:14:24
5	Franck Nijimbere	0.04 s	Python 2	2015-10-03 19:40:30
6	Martin Sundin	0.04 s	Python 2	2016-04-14 12:57:11
7	Syafiq Al Atiiq	0.04 s	Python 2	2016-07-12 15:43:31
8	Ho Yin Ng	0.04 s	Python 2	2016-09-21 04:39:31
9	Sala Gabriel	0.04 s	Python 2	2017-05-09 19:23:49
10	Sergey Pashkovsky	0.04 s	Python 2	2017-11-21 19:44:19

#	User	Runtime	Language	Date
1	Daniel Worsnup	0.02 s	Python 3	2016-04-21 20:09:23
2	Christian Lindeström	0.02 s	Python 3	2016-09-07 20:47:36
3	Arash Rai	0.02 s	Python 3	2016-09-24 04:34:04
4	Brett Stevenson	0.02 s	Python 3	2018-02-11 08:13:03
5	Cheng Hang	0.02 s	Python 3	2018-03-28 07:51:17
6	Matthew Kan	0.02 s	Python 3	2018-05-21 12:39:49
7	Cody Gramlich	0.02 s	Python 3	2018-06-02 19:05:12
8	Hidden user	0.02 s	Python 3	2019-01-03 06:38:56
9	Tyge Tiessen	0.02 s	Python 3	2019-04-12 20:51:09
10	Muhammad Natsir	0.02 s	Python 3	2019-08-01 08:00:44

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.14 s	Racket	2025-02-01 06:45:44

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.09 s	Ruby	2019-10-05 17:43:36
2	Hidden user	0.11 s	Ruby	2017-05-10 06:22:23
3	Régis Hanol	0.11 s	Ruby	2022-01-19 15:57:56
4	Lara Hoya Trujillo	0.12 s	Ruby	2019-11-17 17:32:16
5	Patricia Gao	0.13 s	Ruby	2020-01-24 10:56:46
6	Gerry Hall	0.14 s	Ruby	2016-03-27 19:42:05
7	Troy Sornson	0.15 s	Ruby	2022-01-20 00:04:28
8	Clement Oh	0.16 s	Ruby	2024-03-19 12:02:07
9	Casper Christensen	0.18 s	Ruby	2016-01-01 22:32:09
10	Hidden user	0.18 s	Ruby	2019-11-10 17:47:04

#	User	Runtime	Language	Date
1	Chaoyi Yin	0.00 s	Rust	2019-01-06 20:04:38
2	Chen Weikang	0.00 s	Rust	2019-01-06 20:12:29
3	Isak Jägberg	0.00 s	Rust	2022-01-17 18:22:47
4	Hidden user	0.00 s	Rust	2024-06-30 20:59:39
5	Vincent Lagerros	0.00 s	Rust	2024-12-04 18:11:08
6	Joe Blower	0.00 s	Rust	2025-06-12 19:33:23
7	David Rasch	0.01 s	Rust	2020-07-29 11:49:42
8	Bas Dirks	0.01 s	Rust	2022-01-30 09:51:01
9	Garrett Rowe	0.01 s	Rust	2022-05-31 05:34:48
10	Egor Kulikov	0.01 s	Rust	2024-11-28 12:59:39

#	User	Length	Language	Date
1	Chenzhang Hu	1720	Bash	2024-04-16 14:09:24

#	User	Length	Language	Date
1	Martin Blom	237	C	2024-07-20 18:14:43
2	Anthony Clark	423	C	2017-11-17 17:00:06
3	Hidden user	449	C	2017-07-16 13:26:21
4	Hidden user	494	C	2018-05-14 19:49:06
5	Matthew Johnson	504	C	2015-10-03 16:38:29
6	Minh Tuấn	506	C	2016-03-06 11:39:28
7	Tomáš Drtina	514	C	2015-10-03 16:51:07
8	Seth Carter	531	C	2018-05-29 17:49:29
9	Sujan Roy	538	C	2020-05-07 07:49:22
10	Johan Öhlin	544	C	2017-08-29 11:07:16

#	User	Length	Language	Date
1	Hidden user	557	C#	2024-03-10 23:54:50
2	Anthony Ye	592	C#	2023-01-08 17:23:09
3	Göran Andersson	605	C#	2022-05-14 18:06:33
4	Kunwei Zhang	628	C#	2019-05-06 13:53:03
5	Esty Crow	634	C#	2023-01-03 17:32:18
6	Thomas Norris	695	C#	2019-06-24 07:19:06
7	Pontus Magnusson	786	C#	2016-06-10 09:03:23
8	Khin Nyunt	853	C#	2016-01-24 04:13:57
9	Paweł Borkowski	875	C#	2020-03-04 18:46:47
10	Benjamin Iserman	901	C#	2021-11-11 01:27:46

#	User	Length	Language	Date
1	son le thanh	290	C++	2020-11-23 07:37:31
2	Brandon Fuller	331	C++	2019-09-16 23:23:05
3	Mugeon Kim	337	C++	2024-02-10 11:47:11
4	官毓韋	339	C++	2018-11-27 04:58:34
5	Lee Bing Heng	349	C++	2022-11-20 10:37:32
6	Johan Wind	358	C++	2015-12-01 18:53:47
7	Ariel García Morán	363	C++	2018-01-03 16:16:00
8	Kevin Sun	369	C++	2015-10-04 01:24:52
9	Hongbo Zhang	371	C++	2015-10-03 17:40:31
10	David Venhoek	376	C++	2016-01-04 13:07:42

#	User	Length	Language	Date
1	David Cawthon	1205	Common Lisp	2019-05-10 11:54:56

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	935	F#	2022-09-17 19:00:05

#	User	Length	Language	Date
1	Kyle Weaver	432	Go	2018-11-04 02:11:05
2	Krzysztof Gibuła	529	Go	2019-03-05 22:43:06
3	Marcin Dudek	533	Go	2016-09-21 17:51:27
4	Hidden user	618	Go	2016-05-28 17:32:39
5	Nicklesh	675	Go	2020-12-14 14:55:06
6	Cameron Brill	694	Go	2022-02-23 19:27:13
7	Michael Laszlo	937	Go	2016-10-11 22:30:33
8	Joel Gritter	939	Go	2021-12-30 15:23:09
9	Nathan Lee	960	Go	2025-09-06 18:45:55
10	Raj Shekhar	1006	Go	2020-12-13 16:37:48

#	User	Length	Language	Date
1	Lars Tveito	326	Haskell	2016-01-06 00:09:35
2	Brent Yorgey	423	Haskell	2017-10-03 03:55:23
3	Lieven Marchand	455	Haskell	2017-09-16 19:59:27
4	Li Jun	456	Haskell	2023-07-02 16:19:03
5	Hidden user	460	Haskell	2019-08-25 08:33:02
6	Anthony Clays	482	Haskell	2016-12-04 20:37:44
7	Carl Agrell	494	Haskell	2016-09-29 16:04:09
8	Aurélien Pepin	520	Haskell	2019-09-07 08:24:45
9	Consuelo Gómez Gómez	524	Haskell	2017-04-22 13:31:15
10	Andreas Ländle	526	Haskell	2020-06-14 09:26:13

#	User	Length	Language	Date
1	Harrison Weigel	536	Java	2015-10-03 16:51:04
2	Anton Pirogov	545	Java	2015-11-24 21:29:09
3	Chandler Griscom	557	Java	2015-10-03 18:18:18
4	Logan Su	574	Java	2015-10-03 16:57:38
5	Benjamin Laurence Erickson	574	Java	2016-08-31 04:25:22
6	Samuel Klingström	577	Java	2017-03-03 23:42:01
7	Sam Heil	582	Java	2016-09-22 02:36:30
8	Tae Ho Kim	592	Java	2019-11-14 22:29:34
9	Nathan Gossett	595	Java	2018-05-08 17:38:04
10	Travis Meade	596	Java	2018-01-05 18:36:58

#	User	Length	Language	Date
1	Noah Witte	678	JavaScript (Node.js)	2022-04-09 02:23:02
2	Chris Wong	747	JavaScript (Node.js)	2021-02-19 21:05:36
3	Thatcher Healy	947	JavaScript (Node.js)	2025-09-25 16:13:10
4	Andoko Chandra	974	JavaScript (Node.js)	2020-10-11 12:22:53
5	Niamh Limerick	1108	JavaScript (Node.js)	2022-02-04 01:09:19
6	Keaton Robel	1197	JavaScript (Node.js)	2022-04-07 01:54:18
7	Khin Nyunt	1414	JavaScript (Node.js)	2021-11-29 14:58:06
8	Hidden user	2681	JavaScript (Node.js)	2020-11-18 00:18:28
9	Dag Jomar Mersland	3777	JavaScript (Node.js)	2019-10-27 23:10:56

#	User	Length	Language	Date
1	Jimmy Gustafsson	167	JavaScript (SpiderMonkey)	2024-07-19 21:52:31
2	Evan Magill	335	JavaScript (SpiderMonkey)	2024-11-24 19:11:55
3	Peter Menyes	378	JavaScript (SpiderMonkey)	2017-08-26 15:18:04
4	Zachary DeStefano	399	JavaScript (SpiderMonkey)	2018-02-06 23:31:32
5	Bjørn Chr. Soltvedt	452	JavaScript (SpiderMonkey)	2016-01-16 14:47:00
6	Peter Kedemo	525	JavaScript (SpiderMonkey)	2015-12-18 20:10:00
7	J M	651	JavaScript (SpiderMonkey)	2016-11-12 15:34:38
8	Johannes Strelen	683	JavaScript (SpiderMonkey)	2018-12-07 14:58:13
9	Tim Oram	719	JavaScript (SpiderMonkey)	2016-03-18 20:28:15
10	Rofel Ganado	783	JavaScript (SpiderMonkey)	2016-01-27 03:57:37

#	User	Length	Language	Date
1	Timothy Gaede	844	Julia	2024-05-11 06:58:50

#	User	Length	Language	Date
1	Ronald Cruz	631	Kotlin	2017-12-09 01:13:41
2	Aldinata	658	Kotlin	2020-12-04 09:59:23
3	Ashish Singh	752	Kotlin	2023-02-01 07:06:15
4	Adam Rankin	764	Kotlin	2023-08-25 23:07:12
5	Dmitry Shostak	784	Kotlin	2018-06-21 16:36:45
6	Jacob Huebner	908	Kotlin	2020-03-17 04:02:18
7	Neil Harmon	1042	Kotlin	2019-05-06 09:18:25
8	Johnny Baloney	1057	Kotlin	2021-12-08 15:42:49
9	Philipp Maksimov	1128	Kotlin	2020-04-25 14:37:11
10	Orlando de Andrade Figueiredo	1559	Kotlin	2020-08-28 23:58:47

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	916	Lua	2023-11-29 20:14:19
2	Caleb Austin	1267	Lua	2024-08-23 22:12:13

#	User	Length	Language	Date
1	Sebastian Banert	531	OCaml	2024-07-19 16:47:03
2	Hidden user	1224	OCaml	2023-12-29 18:07:56

#	User	Length	Language	Date
1	Hidden user	1280	Odin	2025-06-10 20:47:40

#	User	Length	Language	Date
1	Ingemar Ragnemalm	586	Pascal	2017-08-08 21:51:05
2	Hidden user	697	Pascal	2019-09-30 02:43:51
3	David Connolly	734	Pascal	2017-08-23 15:42:27

#	User	Length	Language	Date
1	Hidden user	552	PHP	2018-02-23 20:15:11
2	Connor Billings	569	PHP	2019-12-31 21:59:53
3	Rakibul Hassan	574	PHP	2021-01-18 01:06:29
4	Steven D. Wilson	697	PHP	2016-03-25 16:55:07
5	Renate	707	PHP	2021-11-13 22:14:59
6	Nicolas Marsceau	1101	PHP	2016-08-26 19:52:08
7	Alessandro Pasqualini	1110	PHP	2019-01-13 12:15:19
8	Silvena Lam	1305	PHP	2016-02-10 12:29:38

#	User	Length	Language	Date
1	Hakan Kjellerstrand	714	Prolog	2023-02-06 09:32:52

#	User	Length	Language	Date
1	Justin Su	214	Python 2	2019-09-14 06:41:15
2	Thomas Feld	225	Python 2	2019-08-19 11:05:04
3	Ted Ying	247	Python 2	2015-10-03 16:33:38
4	Asger Hautop Drewsen	260	Python 2	2015-11-03 20:09:50
5	Yan Kalchevsky	260	Python 2	2017-01-17 19:32:27
6	Mang Saswi	267	Python 2	2016-01-06 15:29:21
7	Johannes Agestam	270	Python 2	2015-10-13 21:29:11
8	Jeff Robertson	285	Python 2	2017-08-17 18:27:56
9	Jesper Öqvist	294	Python 2	2018-10-24 16:54:58
10	Hasan Ramezani	299	Python 2	2016-06-17 10:59:48

#	User	Length	Language	Date
1	Gustav Elmqvist	137	Python 3	2023-02-13 15:54:14
2	Alexandre Charland	139	Python 3	2024-09-05 12:41:41
3	Hidden user	143	Python 3	2024-05-09 09:42:47
4	Tai Tze Kin	149	Python 3	2024-05-02 21:25:49
5	Lawry Sorenson	173	Python 3	2023-06-09 22:06:00
6	Ahmed Chamseddine	180	Python 3	2024-07-19 08:27:20
7	Daniel Worsnup	181	Python 3	2016-04-21 20:09:23
8	William Chorkawy	187	Python 3	2023-03-25 09:46:58
9	Thibault Raffaillac	195	Python 3	2023-08-14 09:53:38
10	Charles Ancheta	196	Python 3	2023-04-10 19:43:03

#	User	Length	Language	Date
1	Jinwoo Lee	626	Racket	2025-02-01 06:45:44

#	User	Length	Language	Date
1	Thomas Feld	96	Ruby	2022-11-25 11:02:52
2	Clement Oh	196	Ruby	2024-03-19 12:22:40
3	Régis Hanol	238	Ruby	2022-01-19 15:57:56
4	Casper Christensen	276	Ruby	2016-01-01 22:32:09
5	Macdara mac an tSionnaigh	287	Ruby	2019-10-05 17:43:36
6	Hidden user	328	Ruby	2019-03-19 10:53:12
7	Erik Rydbert	392	Ruby	2016-07-07 10:04:25
8	Lara Hoya Trujillo	479	Ruby	2019-11-17 17:32:16
9	Gerry Hall	488	Ruby	2016-03-27 19:42:05
10	Lee Tze Han	502	Ruby	2018-06-29 06:59:26

#	User	Length	Language	Date
1	Vincent Lagerros	369	Rust	2024-12-04 18:11:30
2	Chaoyi Yin	596	Rust	2019-01-06 20:04:38
3	David Rasch	616	Rust	2020-07-29 11:49:42
4	Chen Weikang	684	Rust	2019-01-06 20:12:29
5	Kok Dith	780	Rust	2021-08-15 12:15:36
6	Hidden user	861	Rust	2024-12-17 22:45:03
7	Pankajkumar Patro	881	Rust	2024-12-07 13:13:58
8	Joe Blower	1197	Rust	2025-06-12 19:33:23
9	Andrea Cattaneo	1471	Rust	2024-04-06 19:33:58
10	Eric Pinter	1595	Rust	2021-11-20 03:26:24

Solution running time distribution