Problem I
Soft Passwords — Problem Statistics

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Submissions	3945
Accepted submissions	1379
Submission ratio	34.96%
Authors	1382
Full solves [?]	1201
Full solve Ratio	86.90%

#	User	Runtime	Language	Date
1	Thomas Norris	0.02 s	C#	2019-11-04 16:33:28
2	Henrik Hallbert	0.02 s	C#	2019-11-04 21:41:37
3	Hjalte Sorgenfrei Mac Dalland	0.02 s	C#	2019-11-06 20:28:22
4	Nicolai Pallund	0.02 s	C#	2019-11-06 20:39:21
5	Joshua Jacoby	0.02 s	C#	2020-03-30 22:22:54
6	Joshua Jacoby	0.02 s	C#	2020-04-05 02:41:07
7	Hidden user	0.02 s	C#	2020-05-18 22:07:17
8	Martin E	0.02 s	C#	2021-04-21 15:01:08
9	Peter Andersen	0.02 s	C#	2021-05-11 15:35:32
10	Hidden user	0.02 s	C#	2021-10-12 10:25:03

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2020-01-19 07:15:30

#	User	Runtime	Language	Date
1	Chris Rudolph	0.03 s	F#	2020-11-11 04:01:52
2	Jacob Harris Cryer Kragh	0.03 s	F#	2023-01-29 18:41:00

#	User	Runtime	Language	Date
1	Oliver Ruste Jahren	0.00 s	Go	2023-07-02 20:39:44
2	Ainun Nazieb	0.08 s	Go	2020-09-30 06:26:36
3	Evelyn May	0.08 s	Go	2020-12-06 04:38:28
4	Norbert Voelker	0.08 s	Go	2021-06-22 00:13:17

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2022-12-03 21:00:34
2	Md Akif Chowdhury	0.00 s	Haskell	2023-07-11 20:54:00
3	Mason Barnhill	0.00 s	Haskell	2023-08-31 06:23:59
4	vagabundus	0.00 s	Haskell	2024-05-04 17:19:00
5	Hidden user	0.01 s	Haskell	2019-11-03 11:19:57
6	Intrets	0.01 s	Haskell	2019-11-03 20:47:15
7	Aurélien Pepin	0.01 s	Haskell	2019-11-21 13:24:01
8	Emil Østergaard	0.01 s	Haskell	2020-09-18 19:55:36
9	Gustaf Pihl	0.01 s	Haskell	2024-05-03 00:49:06

#	User	Runtime	Language	Date
1	Bjørn Dons	0.06 s	Java	2020-05-18 22:10:31
2	Theodoric Keith Lim	0.06 s	Java	2020-05-22 14:32:44
3	Yusuf Kharoda	0.06 s	Java	2020-06-28 12:55:29
4	Max Holmberg	0.06 s	Java	2020-09-15 01:26:19
5	Simon Kristiansen	0.06 s	Java	2020-09-21 17:28:13
6	Brandon Ou	0.06 s	Java	2020-10-01 05:16:35
7	Andrew Polizzotto	0.06 s	Java	2020-11-23 12:35:30
8	Michael Davis	0.06 s	Java	2020-12-02 22:33:26
9	Michael Davis	0.06 s	Java	2020-12-02 22:42:06
10	Gian Peña	0.06 s	Java	2020-12-05 18:08:07

#	User	Runtime	Language	Date
1	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-27 19:12:09
2	Emil Larsson	0.42 s	JavaScript (Node.js)	2020-06-24 20:06:53

#	User	Runtime	Language	Date
1	Andrew Wang	0.02 s	JavaScript (SpiderMonkey)	2020-10-01 05:35:02
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-30 12:37:46
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-11-03 02:46:49

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2025-06-15 07:16:46

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2020-04-27 05:13:04
2	Kiel Dowdle	0.13 s	Kotlin	2021-04-07 03:10:45
3	Ola Sundell	0.19 s	Kotlin	2019-11-16 11:13:45
4	Adam Rankin	0.20 s	Kotlin	2023-09-10 22:44:02
5	Hidden user	0.21 s	Kotlin	2019-12-26 16:48:36
6	Troy Warmboe	0.22 s	Kotlin	2020-02-11 22:11:47

#	User	Runtime	Language	Date
1	Matthew Lutze	0.00 s	OCaml	2020-06-13 07:05:20
2	Erik K	0.00 s	OCaml	2020-09-12 12:32:50

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-04-03 01:53:53

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-03-23 11:25:29

#	User	Runtime	Language	Date
1	Brandon Sovran	0.02 s	Python 2	2022-10-22 21:05:16
2	Godmar Back	0.03 s	Python 2	2019-11-03 02:26:53
3	Thomas Feld	0.03 s	Python 2	2019-11-05 13:05:02
4	Jesper Öqvist	0.03 s	Python 2	2019-11-08 13:43:06
5	Johan Lyts	0.03 s	Python 2	2019-11-09 15:14:35
6	Jonatan Nilsson	0.03 s	Python 2	2019-11-12 08:49:42
7	Lars Åström	0.03 s	Python 2	2019-11-12 12:57:45
8	Mark Thomas	0.03 s	Python 2	2019-12-12 03:06:03
9	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-25 13:59:42
10	Andrei Stoica	0.03 s	Python 2	2020-11-02 20:04:40

#	User	Runtime	Language	Date
1	Tobirama	0.02 s	Python 3	2019-11-02 18:42:50
2	Michael Goldwasser	0.02 s	Python 3	2019-11-02 18:46:22
3	Chris Jones	0.02 s	Python 3	2019-11-02 18:57:55
4	Wen Li Looi	0.02 s	Python 3	2019-11-02 19:02:20
5	Matthew Craven	0.02 s	Python 3	2019-11-02 19:13:23
6	Arnav Sastry	0.02 s	Python 3	2019-11-02 19:17:29
7	Vincent Tandya	0.02 s	Python 3	2019-11-02 19:27:08
8	Anton Hansson	0.02 s	Python 3	2019-11-02 19:31:21
9	Matthew Krohn	0.02 s	Python 3	2019-11-02 19:56:32
10	Aditya Durvasula	0.02 s	Python 3	2019-11-02 20:39:04

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-25 03:54:23
2	Eric Holmi	0.04 s	Ruby	2020-05-06 13:33:54
3	Braydon Willms	0.05 s	Ruby	2019-11-07 03:33:19
4	Hidden user	0.05 s	Ruby	2020-08-17 02:36:11
5	Alghi Fariansyah	0.05 s	Ruby	2020-10-30 05:27:27
6	Marie Cornellier	0.05 s	Ruby	2021-09-03 16:56:34
7	Thomas Feld	0.06 s	Ruby	2023-02-13 12:34:24

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2020-09-09 19:13:48
2	Isak Jägberg	0.00 s	Rust	2020-11-15 15:07:47
3	Albert Rise Nielsen	0.00 s	Rust	2020-11-15 17:40:23
4	Bas Dirks	0.00 s	Rust	2022-01-18 19:43:24
5	Vincent Lagerros	0.00 s	Rust	2025-06-12 01:44:11

#	User	Length	Language	Date
1	Andrew Roberts	762	C	2020-01-03 08:12:10
2	Magnus Wass	862	C	2020-04-29 00:52:44
3	Giang Truong Gia Lac (FUG CT)	882	C	2021-10-16 05:24:47
4	Micah O Tamerius	935	C	2020-02-21 01:35:38
5	Hidden user	981	C	2021-10-16 08:16:00
6	Ivan Petrov	1095	C	2020-02-06 15:13:11
7	Trần Mạnh Hoàng	1248	C	2021-10-21 10:59:19
8	Ian Howell	1274	C	2020-01-06 23:40:10
9	Ong Jing Hao	1278	C	2020-02-19 03:09:08
10	May Laban	1300	C	2024-05-09 20:04:23

#	User	Length	Language	Date
1	traxex	491	C#	2024-05-27 15:34:13
2	Thomas Norris	871	C#	2019-11-04 16:33:28
3	Zach Champeau	951	C#	2023-10-25 20:26:23
4	Hjalte Sorgenfrei Mac Dalland	1019	C#	2019-11-06 20:28:22
5	Nicolai Pallund	1019	C#	2019-11-06 20:39:21
6	Hidden user	1159	C#	2020-05-18 22:07:17
7	Deci Bel	1277	C#	2024-09-08 15:59:24
8	Ali Aliev	1344	C#	2022-04-18 16:41:35
9	Martin E	1351	C#	2021-04-21 14:54:13
10	Fredrik Jacobsson	1398	C#	2024-01-30 23:22:39

#	User	Length	Language	Date
1	Dario Petrillo	339	C++	2022-11-24 09:32:00
2	Dmitry Lyubshin	432	C++	2023-03-22 03:39:53
3	Vương Thiện Trung	478	C++	2022-10-24 11:46:21
4	Modak Shantanu Bharat	484	C++	2019-12-05 08:37:07
5	Hà Trần	503	C++	2021-12-24 15:24:26
6	Hidden user	517	C++	2020-01-27 12:22:10
7	Judah Silva	517	C++	2023-12-09 20:35:43
8	Christian Yongwhan Lim	523	C++	2023-06-13 17:57:51
9	Akksharvan Senthilkumar	534	C++	2024-02-01 00:35:49
10	人外沙耶	536	C++	2020-11-05 10:57:29

#	User	Length	Language	Date
1	Hidden user	864	Common Lisp	2020-01-19 07:15:30

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	897	F#	2023-01-29 18:41:00
2	Chris Rudolph	1227	F#	2020-11-11 04:01:52

#	User	Length	Language	Date
1	Ainun Nazieb	690	Go	2020-09-30 06:26:36
2	Norbert Voelker	1092	Go	2021-06-22 00:16:15
3	Evelyn May	1197	Go	2020-12-06 04:38:28
4	Oliver Ruste Jahren	1362	Go	2023-07-02 20:39:44

#	User	Length	Language	Date
1	Emil Østergaard	400	Haskell	2020-09-18 19:55:36
2	Mason Barnhill	420	Haskell	2023-08-31 06:23:59
3	Md Akif Chowdhury	472	Haskell	2023-07-11 20:46:36
4	Steinar Simonnes	484	Haskell	2022-12-03 21:00:34
5	Aurélien Pepin	620	Haskell	2019-11-21 13:24:01
6	vagabundus	655	Haskell	2024-05-04 17:19:00
7	Gustaf Pihl	750	Haskell	2024-05-03 00:49:06
8	Intrets	2963	Haskell	2019-11-03 20:47:15
9	Hidden user	8062	Haskell	2019-11-03 11:19:57

#	User	Length	Language	Date
1	Thomas Kopcho	498	Java	2022-02-17 23:38:05
2	Kristoffer Borgstrøm	514	Java	2020-01-22 21:22:58
3	Devin Amos	566	Java	2022-02-17 23:37:04
4	Crystal Sharpe	704	Java	2019-11-04 07:17:52
5	Joshua Brucker	713	Java	2020-09-15 18:25:55
6	Joey Woodson	756	Java	2019-11-16 18:21:08
7	Matthew Dippel	801	Java	2020-03-14 05:17:22
8	Brendan King	804	Java	2020-07-31 21:50:34
9	James Gamboli	835	Java	2020-09-15 01:21:25
10	Hidden user	892	Java	2021-04-18 10:00:21

#	User	Length	Language	Date
1	Peter Kedemo	545	JavaScript (Node.js)	2019-12-27 19:12:09
2	Emil Larsson	849	JavaScript (Node.js)	2020-06-24 20:06:53

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	333	JavaScript (SpiderMonkey)	2019-11-03 02:46:49
2	Christian Pilegaard Cederquist	503	JavaScript (SpiderMonkey)	2023-03-30 12:37:46
3	Andrew Wang	535	JavaScript (SpiderMonkey)	2020-10-01 05:35:02

#	User	Length	Language	Date
1	Timothy Gaede	756	Julia	2025-06-15 07:16:46

#	User	Length	Language	Date
1	Troy Warmboe	563	Kotlin	2020-02-11 22:11:47
2	Adam Rankin	623	Kotlin	2023-09-10 22:44:02
3	Hidden user	791	Kotlin	2019-12-26 16:48:36
4	Ola Sundell	1022	Kotlin	2019-11-16 11:13:45
5	Jacob Huebner	1251	Kotlin	2020-03-05 02:41:28
6	Kiel Dowdle	2013	Kotlin	2021-04-07 03:10:45

#	User	Length	Language	Date
1	Matthew Lutze	719	OCaml	2020-06-13 07:05:20
2	Erik K	2127	OCaml	2020-09-12 12:32:50

#	User	Length	Language	Date
1	Connor Billings	866	PHP	2020-04-03 01:53:53

#	User	Length	Language	Date
1	Andriy Zyevakov	1359	Prolog	2025-03-23 11:25:29

#	User	Length	Language	Date
1	Thomas Feld	147	Python 2	2019-11-05 13:05:02
2	Shaik Ashmil Ahamed	265	Python 2	2019-11-18 10:05:55
3	Jesper Öqvist	276	Python 2	2019-11-08 13:43:06
4	Johan Lyts	303	Python 2	2019-11-09 15:14:35
5	Andreas Björklund	327	Python 2	2021-04-12 20:16:34
6	Godmar Back	425	Python 2	2019-11-03 02:26:53
7	Yanmarshus Bachtiar	438	Python 2	2020-08-25 13:59:42
8	Jonatan Nilsson	482	Python 2	2019-11-12 08:49:42
9	Björn Magnusson	482	Python 2	2019-11-12 12:17:23
10	Lars Åström	482	Python 2	2019-11-12 12:57:45

#	User	Length	Language	Date
1	Benjamin Z White	101	Python 3	2023-05-09 12:10:28
2	Sebastian Boldsen Jakobsen	110	Python 3	2022-10-08 23:26:00
3	Tyler Wright (Pug)	116	Python 3	2023-10-26 23:47:15
4	Michael Goldwasser	116	Python 3	2024-03-10 16:24:08
5	Luke	124	Python 3	2023-10-17 20:40:55
6	David Aldenbro	125	Python 3	2025-10-12 15:38:43
7	Eugin Pahk	158	Python 3	2023-10-26 23:39:08
8	Emil Lynegaard	160	Python 3	2020-02-10 14:01:18
9	Brenden Smith	164	Python 3	2023-01-20 23:47:30
10	Jakob Kallestad	168	Python 3	2020-10-20 15:57:18

#	User	Length	Language	Date
1	Thomas Feld	66	Ruby	2023-02-13 12:34:24
2	Macdara mac an tSionnaigh	279	Ruby	2019-11-25 03:54:23
3	Marie Cornellier	315	Ruby	2021-09-03 16:56:34
4	Hidden user	403	Ruby	2020-08-17 02:36:11
5	Alghi Fariansyah	604	Ruby	2020-10-30 05:41:05
6	Braydon Willms	629	Ruby	2019-11-07 03:33:19
7	Eric Holmi	1073	Ruby	2020-05-06 13:33:54

#	User	Length	Language	Date
1	Vincent Lagerros	822	Rust	2025-06-12 01:44:11
2	Bas Dirks	944	Rust	2022-01-18 19:43:24
3	Albert Rise Nielsen	1171	Rust	2020-11-15 17:40:23
4	Isak Jägberg	1566	Rust	2020-11-15 15:07:47
5	Klas af Geijerstam	6276	Rust	2020-09-09 19:13:48

Solution running time distribution