Problem A
Password Hacking — Problem Statistics

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Submissions	6085
Accepted submissions	2539
Submission ratio	41.73%
Authors	2358
Full solves [?]	2180
Full solve Ratio	92.45%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2025-09-12 22:12:41

#	User	Runtime	Language	Date
1	Baranov, Eugene	0.02 s	C#	2016-11-05 14:14:31
2	Rail Sabirov	0.02 s	C#	2016-11-05 14:24:13
3	Piotr Karpala	0.02 s	C#	2016-11-05 15:19:48
4	Mike Spendlove	0.02 s	C#	2016-11-05 17:09:38
5	Bryan Shiffman	0.02 s	C#	2016-11-05 18:26:35
6	Marcin Dudek	0.02 s	C#	2016-11-05 19:32:07
7	Marcin Dudek	0.02 s	C#	2016-11-05 19:33:03
8	Przemysław Curzytek	0.02 s	C#	2016-11-05 20:03:51
9	Ryan Ralph	0.02 s	C#	2016-11-06 00:33:59
10	Piotr Karpala	0.02 s	C#	2016-11-06 17:34:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-12-11 09:35:29

#	User	Runtime	Language	Date
1	Akhikumar Indurti	0.07 s	Go	2018-10-04 02:59:53
2	Christoffer Danborg Irvall	0.08 s	Go	2019-05-06 09:14:38
3	Krzysztof Gibuła	0.08 s	Go	2021-05-12 22:05:49
4	Norbert Voelker	0.08 s	Go	2021-05-24 00:52:16
5	Kristoffer Åhgren	0.10 s	Go	2017-07-14 15:57:20

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-06-18 19:55:29
2	Noah Weninger	0.01 s	Haskell	2016-11-04 23:20:49
3	Johan Meier	0.01 s	Haskell	2016-12-29 00:43:24
4	John Grzechowiak	0.01 s	Haskell	2017-02-27 17:50:10
5	Patrik Lilja	0.01 s	Haskell	2017-03-01 23:06:53
6	Anthony Clark	0.01 s	Haskell	2017-03-05 20:56:43
7	Brent Yorgey	0.01 s	Haskell	2017-10-31 21:49:23
8	Birk Tjelmeland	0.01 s	Haskell	2018-08-29 16:32:49
9	Conor McGovern	0.01 s	Haskell	2019-06-30 12:38:21
10	Chen Xu	0.01 s	Haskell	2019-08-24 23:56:20

#	User	Runtime	Language	Date
1	Nicholas Low Jia Le	0.05 s	Java	2024-09-13 13:56:18
2	Chang Yi Chen	0.05 s	Java	2024-09-14 09:33:07
3	Hidden user	0.05 s	Java	2024-09-14 16:31:17
4	Shen Jingtao	0.05 s	Java	2024-09-14 18:49:24
5	Santtosh Mohan	0.05 s	Java	2024-09-14 20:25:57
6	Lycia Yeo Ying Xuan	0.05 s	Java	2024-09-15 08:44:42
7	Wong Yeow Kang	0.05 s	Java	2024-09-15 10:11:07
8	Low Zhe Kai Jonas	0.05 s	Java	2024-09-15 11:45:25
9	Hidden user	0.05 s	Java	2024-09-15 12:20:01
10	MARVIN CHOO MING HAN	0.05 s	Java	2024-09-16 12:35:47

#	User	Runtime	Language	Date
1	Ram Basnet	0.05 s	JavaScript (Node.js)	2018-09-24 05:36:48
2	Robin Karlberg	0.06 s	JavaScript (Node.js)	2018-11-23 16:38:49
3	Marek Hołyński	0.42 s	JavaScript (Node.js)	2022-04-28 08:54:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-10-29 22:07:03
2	Alan Delaney	0.01 s	JavaScript (SpiderMonkey)	2017-04-13 00:37:48
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-15 11:48:19
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-02 00:46:55

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-04-10 15:44:34

#	User	Runtime	Language	Date
1	Jacob Huebner	0.16 s	Kotlin	2021-06-06 10:55:07
2	Magnus Olsson	0.20 s	Kotlin	2018-11-11 01:08:26
3	Adam Rankin	0.21 s	Kotlin	2023-05-03 19:17:01
4	Hidden user	0.22 s	Kotlin	2017-11-24 11:20:27
5	Dayan Ruben Gonzalez	0.27 s	Kotlin	2020-09-28 01:13:15
6	Marianne Grov	0.28 s	Kotlin	2019-03-11 22:09:42
7	Jonathan Soo	0.28 s	Kotlin	2019-06-26 10:02:23
8	Troy Warmboe	0.29 s	Kotlin	2020-03-06 02:30:42
9	Neil Harmon	0.32 s	Kotlin	2019-07-24 09:26:53

#	User	Runtime	Language	Date
1	Evan Magill	0.08 s	OCaml	2023-10-19 21:39:32

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2018-12-17 14:47:07

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-04-22 22:34:46
2	Erik Boström	0.01 s	PHP	2022-05-15 20:38:00

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-05 18:18:08

#	User	Runtime	Language	Date
1	Houston Lucas	0.03 s	Python 2	2016-10-29 18:42:18
2	Hidden user	0.03 s	Python 2	2016-10-29 18:54:23
3	William Kelly	0.03 s	Python 2	2016-10-29 19:54:03
4	Alexander Parr	0.03 s	Python 2	2016-10-29 20:36:24
5	Christofer Ohlsson	0.03 s	Python 2	2016-10-29 21:50:44
6	Evgeniy Sharapov	0.03 s	Python 2	2016-11-05 21:00:01
7	Muzakhir Amanzholov	0.03 s	Python 2	2017-02-12 22:09:37
8	Geson Chong	0.03 s	Python 2	2017-04-12 17:15:13
9	Damodar Dahal	0.03 s	Python 2	2017-04-28 22:22:54
10	Hidden user	0.03 s	Python 2	2017-05-02 16:20:41

#	User	Runtime	Language	Date
1	Michael Zhao	0.02 s	Python 3	2016-10-29 18:20:42
2	Caleb Jhones	0.02 s	Python 3	2016-10-29 18:21:36
3	Sage Smith	0.02 s	Python 3	2016-10-29 18:25:26
4	Christian Rachmaninoff	0.02 s	Python 3	2016-10-29 18:26:04
5	Jesse Farebrother	0.02 s	Python 3	2016-10-29 18:34:49
6	Nicholas Harron	0.02 s	Python 3	2016-10-29 18:39:20
7	Christian Lindeström	0.02 s	Python 3	2016-10-29 18:39:23
8	Ian Neal	0.02 s	Python 3	2016-10-29 19:09:05
9	Kevin Gordon	0.02 s	Python 3	2016-10-29 19:44:48
10	Christopher Darcy	0.02 s	Python 3	2016-10-29 19:57:00

#	User	Runtime	Language	Date
1	Addison Bean	0.03 s	Ruby	2017-10-28 20:12:33
2	Isaac Saffold	0.03 s	Ruby	2017-10-28 20:21:16
3	Hidden user	0.05 s	Ruby	2019-06-07 20:22:58
4	Davi Guimarães Leite	0.05 s	Ruby	2019-06-07 20:23:17
5	John Rabaey	0.05 s	Ruby	2020-04-09 22:41:52
6	Thomas Feld	0.06 s	Ruby	2023-02-10 13:09:59
7	Hakan Kjellerstrand	0.06 s	Ruby	2023-03-16 21:41:33
8	Chenzhang Hu	0.06 s	Ruby	2025-06-03 15:21:56

#	User	Length	Language	Date
1	Chenzhang Hu	54	Bash	2025-09-12 22:12:41

#	User	Length	Language	Date
1	Drake Packard	422	C	2018-02-22 05:42:06
2	Dalton Parker Caron	453	C	2018-12-20 02:07:03
3	Axel Delbom	500	C	2019-06-13 12:57:23
4	Dick Jessen William	502	C	2019-08-30 03:21:32
5	Ng Wei Jie	526	C	2020-02-18 14:30:55
6	Jón Steinn Elíasson	547	C	2017-12-25 16:23:37
7	Jasmin Baniya	547	C	2018-03-22 03:00:52
8	Hidden user	547	C	2018-04-24 18:24:43
9	Haerul Gunawan	547	C	2019-10-19 11:58:05
10	Beat Project	547	C	2019-11-10 08:46:21

#	User	Length	Language	Date
1	traxex	428	C#	2024-05-06 17:19:34
2	Göran Andersson	608	C#	2022-05-30 01:10:45
3	Linus Yng	616	C#	2017-06-07 10:14:29
4	Khugan Shanmugeswaran	667	C#	2016-11-06 18:13:08
5	Armin Krauss	700	C#	2018-11-10 10:41:46
6	Marcin Dudek	744	C#	2016-11-05 19:32:07
7	Marcin Dudek	744	C#	2016-11-05 19:33:03
8	Simon Lundqvist	746	C#	2020-02-07 21:19:01
9	Philipp Müller	772	C#	2019-10-07 22:15:36
10	Rail Sabirov	773	C#	2016-11-05 14:24:13

#	User	Length	Language	Date
1	Frans Meulenbroeks	254	C++	2025-02-20 22:32:53
2	Vu Duy Dung	281	C++	2017-10-31 15:57:17
3	Hidden user	294	C++	2017-11-07 04:06:06
4	Hidden user	297	C++	2018-08-08 17:58:01
5	Nathan Duncan	297	C++	2024-01-20 20:26:15
6	Mushfik Rahman	314	C++	2019-04-07 05:28:37
7	Steven Geraldy	317	C++	2019-03-28 09:00:34
8	David Ibáñez Valenzuela	326	C++	2022-01-15 20:06:07
9	Houda Sassi	327	C++	2019-03-03 11:56:47
10	Zane Yu	332	C++	2018-12-29 07:00:23

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	392	F#	2022-12-11 09:35:29

#	User	Length	Language	Date
1	Christoffer Danborg Irvall	416	Go	2019-05-06 09:14:38
2	Krzysztof Gibuła	548	Go	2021-05-12 22:05:49
3	Kristoffer Åhgren	567	Go	2017-07-14 15:57:20
4	Akhikumar Indurti	587	Go	2018-10-04 02:59:53
5	Norbert Voelker	987	Go	2021-05-24 00:52:16

#	User	Length	Language	Date
1	Anthony Clark	168	Haskell	2017-03-05 20:56:43
2	Chen Xu	180	Haskell	2019-08-24 23:56:20
3	Birk Tjelmeland	206	Haskell	2018-08-29 16:32:49
4	Stian	210	Haskell	2019-09-16 12:26:09
5	Jahid Hasan Imon	255	Haskell	2020-11-02 17:01:34
6	Noah Weninger	290	Haskell	2016-11-04 23:20:49
7	Aurélien Pepin	330	Haskell	2019-09-19 18:38:55
8	Conor McGovern	338	Haskell	2019-06-30 12:38:21
9	Ola Berglund	351	Haskell	2023-10-20 22:33:10
10	Patrik Lilja	379	Haskell	2017-03-01 23:06:53

#	User	Length	Language	Date
1	John Hershey	361	Java	2023-10-20 16:02:24
2	Natalie Longtin	375	Java	2019-01-17 21:45:37
3	Zhang Manman	402	Java	2020-02-12 15:45:44
4	Pedro Contipelli	403	Java	2017-01-16 21:07:07
5	Prakash Sanyasi	405	Java	2017-05-05 15:12:39
6	Liu Han	406	Java	2020-02-19 12:04:27
7	Sergio Baguena	407	Java	2024-04-19 20:34:39
8	Agis Daniels	413	Java	2016-10-29 19:44:53
9	Yeung Man Tsung	415	Java	2022-07-26 16:14:17
10	Meghan Lin	421	Java	2019-01-17 21:43:16

#	User	Length	Language	Date
1	Marek Hołyński	527	JavaScript (Node.js)	2022-04-28 08:54:28
2	Robin Karlberg	579	JavaScript (Node.js)	2018-11-23 16:38:49
3	Ram Basnet	715	JavaScript (Node.js)	2018-09-24 05:36:48

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	107	JavaScript (SpiderMonkey)	2023-02-15 11:48:19
2	Jimmy Gustafsson	114	JavaScript (SpiderMonkey)	2024-08-02 00:50:21
3	Bjørn Chr. Soltvedt	214	JavaScript (SpiderMonkey)	2016-10-29 22:07:03
4	Alan Delaney	441	JavaScript (SpiderMonkey)	2017-04-13 00:37:48

#	User	Length	Language	Date
1	Timothy Gaede	393	Julia	2024-04-10 15:44:34

#	User	Length	Language	Date
1	Hidden user	318	Kotlin	2017-11-24 11:20:27
2	Troy Warmboe	319	Kotlin	2020-03-06 02:30:42
3	Dayan Ruben Gonzalez	349	Kotlin	2020-09-28 01:13:15
4	Jacob Huebner	356	Kotlin	2021-06-06 10:55:38
5	Marianne Grov	380	Kotlin	2019-03-11 22:09:42
6	Adam Rankin	467	Kotlin	2023-05-03 19:17:01
7	Jonathan Soo	495	Kotlin	2019-06-26 10:03:43
8	Neil Harmon	891	Kotlin	2019-07-24 09:26:53
9	Magnus Olsson	3769	Kotlin	2018-11-11 01:08:26

#	User	Length	Language	Date
1	Evan Magill	572	OCaml	2023-10-19 21:39:32

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2234	Pascal	2018-12-17 14:47:07

#	User	Length	Language	Date
1	Renate	291	PHP	2021-04-22 22:34:46
2	Erik Boström	591	PHP	2022-05-15 20:38:00

#	User	Length	Language	Date
1	Hakan Kjellerstrand	306	Prolog	2023-03-05 18:18:08

#	User	Length	Language	Date
1	Thomas Feld	129	Python 2	2019-09-05 16:17:14
2	Andreas Eisele	135	Python 2	2018-09-07 09:39:28
3	Jesper Öqvist	162	Python 2	2018-10-27 12:12:33
4	Maj Stenmark	171	Python 2	2019-05-07 21:10:13
5	Pu Chen	173	Python 2	2017-11-01 16:49:26
6	Guan Yang Ze	175	Python 2	2019-08-20 10:59:05
7	Justin Su	179	Python 2	2017-09-24 22:50:50
8	Rhys Rustad-Elliott	179	Python 2	2017-10-15 19:15:44
9	Lars Åström	180	Python 2	2018-08-01 23:01:44
10	Andreas Björklund	182	Python 2	2019-12-15 16:48:53

#	User	Length	Language	Date
1	Nandan Ramesh	73	Python 3	2025-09-02 00:40:26
2	Tobias Glimmerfors	79	Python 3	2023-11-04 15:18:59
3	Clement Oh	91	Python 3	2023-05-23 09:22:56
4	Hidden user	94	Python 3	2023-11-04 14:08:57
5	Hidden user	107	Python 3	2023-04-19 05:03:34
6	Emil Sandberg	108	Python 3	2023-11-04 15:29:02
7	Nils Gustafsson	110	Python 3	2023-11-04 13:42:45
8	Eduardo Vicente Petry	111	Python 3	2023-03-13 21:25:48
9	Anton Lyxell	118	Python 3	2020-12-09 20:51:22
10	Logan Pipes	118	Python 3	2023-08-17 14:28:55

#	User	Length	Language	Date
1	Chenzhang Hu	46	Ruby	2025-06-03 15:21:56
2	Thomas Feld	52	Ruby	2023-02-10 13:09:59
3	Hakan Kjellerstrand	96	Ruby	2023-03-16 22:21:21
4	Isaac Saffold	207	Ruby	2017-10-28 20:21:16
5	John Rabaey	214	Ruby	2020-04-09 22:41:52
6	Addison Bean	221	Ruby	2017-10-28 20:12:33
7	Hidden user	247	Ruby	2019-06-07 20:22:58
8	Davi Guimarães Leite	247	Ruby	2019-06-07 20:23:17

#	User	Length	Language	Date
1	Vincent Lagerros	380	Rust	2025-02-17 11:31:28
2	Sofiane	496	Rust	2024-11-05 20:57:03
3	David Rasch	608	Rust	2022-11-18 15:32:40
4	Pankajkumar Patro	702	Rust	2024-10-14 14:57:47
5	Haruki Moriguchi	740	Rust	2019-04-28 22:50:20
6	Isak Jägberg	740	Rust	2024-10-28 10:50:05
7	poppyer	754	Rust	2022-02-21 18:24:10
8	Bas Dirks	791	Rust	2024-01-14 18:47:29
9	Rickard Mårtensson	980	Rust	2019-12-01 15:30:41
10	Eric Pinter	1184	Rust	2021-12-02 01:50:40

Solution running time distribution