Problem A
Double Password — Problem Statistics

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Submissions	4502
Accepted submissions	2596
Submission ratio	57.66%
Authors	2507
Accepted authors	2336
Author ratio	93.18%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-06-02 15:11:34

#	User	Runtime	Language	Date
1	Chandler McFarland	0.01 s	Bash	2025-02-26 05:11:49
2	Chenzhang Hu	0.06 s	Bash	2023-09-30 18:35:37

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.02 s	C#	2022-03-13 10:12:28
2	Henrik Hallbert	0.02 s	C#	2022-03-14 14:20:32
3	Benny Antonsson	0.02 s	C#	2022-03-16 21:39:49
4	Kevin Miranda	0.02 s	C#	2022-03-24 09:17:12
5	Cameron Crow	0.02 s	C#	2022-03-25 20:10:35
6	Slimlix	0.02 s	C#	2022-04-04 05:45:55
7	Nurjigit	0.02 s	C#	2022-04-08 19:06:56
8	Fabian	0.02 s	C#	2022-04-11 18:35:43
9	brett warrender	0.02 s	C#	2022-04-23 06:16:22
10	Dau Huy Minh	0.02 s	C#	2022-04-24 20:15:01

#	User	Runtime	Language	Date
1	Francisco Romero	0.00 s	COBOL	2022-05-12 20:58:45

#	User	Runtime	Language	Date
1	David Vinje	0.03 s	F#	2022-08-02 17:27:26
2	Anders B. Clausen	0.04 s	F#	2022-04-17 12:52:40
3	Jacob Harris Cryer Kragh	0.04 s	F#	2022-05-19 21:33:26
4	Jesper Bengtson	0.05 s	F#	2022-03-25 16:19:12

#	User	Runtime	Language	Date
1	Yousif Ibrahim	0.00 s	Go	2024-03-25 11:27:57
2	Jimmy Nejtron	0.00 s	Go	2024-09-25 19:48:04
3	Sergey Jakobsen	0.02 s	Go	2022-06-10 23:22:28
4	Jeroen Jongkees	0.02 s	Go	2022-08-13 22:26:22
5	Georgios Leandros Kyriazis	0.02 s	Go	2022-10-09 20:48:40
6	Muhammad Auliya	0.07 s	Go	2022-03-25 16:35:36
7	Norbert Voelker	0.08 s	Go	2022-03-13 23:03:46
8	Andreas Gottschalk Krath	0.08 s	Go	2022-03-17 15:56:44
9	Bridger Howell	0.08 s	Go	2022-03-22 18:44:15
10	Jahid Hasan Imon	0.08 s	Go	2022-04-20 20:35:59

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-07 18:14:48
2	Greg Gorlen	0.00 s	Haskell	2022-10-13 21:07:37
3	Hidden user	0.00 s	Haskell	2022-12-08 18:14:32
4	Steinar Simonnes	0.00 s	Haskell	2023-05-31 21:42:06
5	Mason Barnhill	0.00 s	Haskell	2023-09-11 01:38:20
6	Rudy Matela	0.00 s	Haskell	2023-09-12 10:50:25
7	Sebastian Banert	0.00 s	Haskell	2023-10-05 19:07:33
8	Charley Sheaffer	0.00 s	Haskell	2023-11-01 20:48:31
9	Greg Rosser	0.00 s	Haskell	2024-02-25 10:43:23
10	Sondre Lunde	0.01 s	Haskell	2022-03-13 14:39:05

#	User	Runtime	Language	Date
1	Raymond Arrington	0.04 s	Java	2024-09-06 18:52:48
2	Guangyi Zhou	0.04 s	Java	2024-12-05 18:32:30
3	Daniel Gutierrez Duarte	0.04 s	Java	2025-02-25 01:27:26
4	Lee Heng Sheng	0.05 s	Java	2024-04-27 15:30:39
5	Terry Morris	0.05 s	Java	2024-07-05 05:14:19
6	Stela Palii	0.05 s	Java	2024-11-30 02:33:31
7	Sven Rönnbäck	0.06 s	Java	2022-03-13 10:59:36
8	Jonas Moll	0.06 s	Java	2022-03-13 13:32:19
9	Desireé af Geijerstam	0.06 s	Java	2022-03-13 19:14:59
10	yeetson	0.06 s	Java	2022-03-15 08:57:14

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-07-14 17:22:35
2	Santosh pant	0.04 s	JavaScript (Node.js)	2024-11-06 22:18:44
3	James Nguyen	0.04 s	JavaScript (Node.js)	2024-11-06 22:37:02
4	Максим Войтенко	0.04 s	JavaScript (Node.js)	2025-02-26 14:53:38
5	Nikita Dudson	0.08 s	JavaScript (Node.js)	2022-06-14 23:22:19
6	Aaron	0.08 s	JavaScript (Node.js)	2022-11-18 01:03:44
7	John	0.09 s	JavaScript (Node.js)	2022-07-15 03:59:27
8	Chris Wong	0.42 s	JavaScript (Node.js)	2022-03-15 15:02:24
9	Jeremiah Ang	0.42 s	JavaScript (Node.js)	2022-03-25 13:36:29
10	Muhd Hifzur Rahman	0.42 s	JavaScript (Node.js)	2022-04-11 11:27:48

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-03-16 11:38:46
2	Tyler VanHaren	0.02 s	JavaScript (SpiderMonkey)	2022-06-03 21:15:04
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-12 22:47:42
4	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-11-09 17:05:00
5	Nicklas Utgaard	0.02 s	JavaScript (SpiderMonkey)	2022-12-30 20:44:32
6	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-20 08:18:10

#	User	Runtime	Language	Date
1	Danny Robinson	0.51 s	Julia	2023-09-01 06:14:30
2	Timothy Gaede	0.51 s	Julia	2024-03-24 04:55:20

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2022-03-22 21:48:34
2	Linn Gregussen	0.17 s	Kotlin	2022-03-19 16:46:17
3	Alan Pramuk	0.17 s	Kotlin	2022-07-29 01:35:03
4	Timo Schikhof	0.18 s	Kotlin	2022-04-21 15:14:43
5	Troy Warmboe	0.18 s	Kotlin	2023-04-11 03:06:25
6	Martijn Muijsers	0.18 s	Kotlin	2024-05-30 21:20:14
7	Nicholas Johnson	0.19 s	Kotlin	2022-03-13 23:42:33
8	Emil Wihlander	0.19 s	Kotlin	2023-07-25 15:04:49
9	Adam Rankin	0.20 s	Kotlin	2023-04-22 20:10:28
10	Karl Johan Heimark	0.20 s	Kotlin	2024-12-04 19:57:07

#	User	Runtime	Language	Date
1	Marcus Oscarsson	0.00 s	OCaml	2022-05-11 03:04:42
2	Fredrik Eriksson	0.00 s	OCaml	2024-11-03 01:49:52

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2022-03-14 20:49:52
2	David Connolly	0.00 s	Pascal	2022-04-06 12:44:22
3	Zach Ventimiglia	0.00 s	Pascal	2025-02-24 14:13:52

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2022-03-17 00:51:53
2	Hidden user	0.01 s	PHP	2022-04-30 14:07:26
3	Andre Wahyudi	0.01 s	PHP	2022-09-20 10:43:41

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2023-01-23 21:29:42
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-03 21:01:06

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 09:59:38
2	Øyvind Haarberg	0.02 s	Python 2	2022-09-21 19:44:38
3	Yanmarshus Bachtiar	0.03 s	Python 2	2022-03-14 03:56:31
4	Johan Lyts	0.03 s	Python 2	2022-03-22 22:12:00

#	User	Runtime	Language	Date
1	Frederik Peter Høngaard	0.04 s	Python 3	2022-06-04 21:58:51
2	Kaixuan Li	0.04 s	Python 3	2022-06-04 22:29:53
3	Khang Trần	0.04 s	Python 3	2022-06-05 17:05:49
4	András Biczó	0.04 s	Python 3	2022-06-05 19:30:00
5	Hidden user	0.04 s	Python 3	2022-06-06 06:03:14
6	Adrian Bay Dorph	0.04 s	Python 3	2022-06-07 22:29:36
7	Ashay Sarda	0.04 s	Python 3	2022-06-08 03:43:01
8	Tue Gyhrs	0.04 s	Python 3	2022-06-08 10:39:56
9	Gustav Wass	0.04 s	Python 3	2022-06-08 13:00:14
10	Zach Tschetter	0.04 s	Python 3	2022-06-08 13:25:36

#	User	Runtime	Language	Date
1	dick move	0.06 s	Ruby	2022-11-08 20:38:30
2	Thomas Feld	0.06 s	Ruby	2022-12-22 15:59:45
3	Eugen Neagoe	0.06 s	Ruby	2023-04-08 19:24:14
4	Chenzhang Hu	0.07 s	Ruby	2024-04-14 06:34:57

#	User	Length	Language	Date
1	Thomas Feld	19	APL	2023-06-02 15:11:34

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 14:54:59
2	Chandler McFarland	509	Bash	2025-02-26 05:13:15

#	User	Length	Language	Date
1	Martin Blom	91	C	2023-12-21 00:24:34
2	Matthew Weston	180	C	2022-03-18 16:34:12
3	潘治均	182	C	2023-11-12 09:39:43
4	Ximun Castoreo	196	C	2022-04-08 15:16:34
5	Loreto Del Vecchio	197	C	2022-11-19 12:28:51
6	Daniele Cursano	199	C	2022-11-19 12:22:02
7	arda atci	214	C	2022-05-18 17:49:00
8	Dries Wedda	218	C	2022-09-12 11:10:52
9	Jónas Holm Wentzlau	229	C	2022-03-25 17:02:11
10	Allan Nouri	233	C	2023-11-14 09:57:02

#	User	Length	Language	Date
1	Anthony Ye	266	C#	2022-11-20 00:08:06
2	Göran Andersson	321	C#	2022-05-07 23:03:06
3	Eric Weiss	371	C#	2022-04-25 21:49:25
4	Владимир Хилько	373	C#	2022-05-19 13:09:13
5	Nicolai Hellesnes	385	C#	2023-02-19 17:25:59
6	Slimlix	392	C#	2022-04-04 05:45:55
7	Henrik Hallbert	434	C#	2022-03-14 14:20:32
8	Laurens Fijn van Draat	444	C#	2022-09-16 12:28:10
9	MaximM	454	C#	2022-09-14 16:07:37
10	Victor Hultén Mattsson	467	C#	2022-06-09 09:51:47

#	User	Length	Language	Date
1	Frans Meulenbroeks	136	C++	2025-02-18 13:44:09
2	Ayub Ali	160	C++	2022-09-07 11:02:34
3	zhi251	160	C++	2024-04-09 10:05:27
4	Michele Ghilardi	175	C++	2022-11-19 09:26:43
5	George Zhang	177	C++	2023-10-06 21:25:16
6	潘治均	182	C++	2023-11-12 09:40:09
7	Grae Yeandle	189	C++	2022-03-13 10:33:42
8	張軒	192	C++	2024-11-03 09:23:16
9	Nguyen Duy Phuc (K17 CT)	193	C++	2022-10-28 15:56:20
10	Kopear	193	C++	2022-12-02 23:11:16

#	User	Length	Language	Date
1	Francisco Romero	974	COBOL	2022-05-12 20:58:45

#	User	Length	Language	Date
1	Anders B. Clausen	201	F#	2022-04-17 12:52:40
2	David Vinje	315	F#	2022-08-02 17:27:26
3	Jacob Harris Cryer Kragh	394	F#	2022-05-19 21:33:26
4	Jesper Bengtson	1830	F#	2022-03-25 16:19:12

#	User	Length	Language	Date
1	Bridger Howell	177	Go	2022-03-22 18:44:15
2	Nyamdavaa Amar	197	Go	2022-04-24 00:09:04
3	Jeroen Jongkees	220	Go	2022-08-13 22:26:22
4	Sergey Jakobsen	265	Go	2022-06-10 23:22:28
5	Andreas Gottschalk Krath	307	Go	2022-03-17 15:56:44
6	Jimmy Nejtron	317	Go	2024-09-25 19:48:04
7	Muhammad Auliya	330	Go	2022-03-25 16:35:36
8	Jahid Hasan Imon	371	Go	2022-04-20 20:35:59
9	Georgios Leandros Kyriazis	380	Go	2022-10-09 20:48:40
10	Yousif Ibrahim	407	Go	2024-03-25 11:27:57

#	User	Length	Language	Date
1	Rudy Matela	64	Haskell	2023-09-12 10:50:25
2	Steinar Simonnes	121	Haskell	2023-05-31 21:42:06
3	Øyvind Almli	121	Haskell	2022-03-14 21:10:50
4	Sebastian Banert	126	Haskell	2023-10-05 19:07:33
5	Mason Barnhill	144	Haskell	2023-09-11 01:38:20
6	Phan Ngọc Tiên	159	Haskell	2022-03-20 03:55:33
7	Daniel Cabral	196	Haskell	2022-03-17 09:49:07
8	Charley Sheaffer	203	Haskell	2023-11-01 20:48:31
9	Brian Hwang	212	Haskell	2022-04-27 22:23:49
10	Sondre Lunde	218	Haskell	2022-03-13 14:39:05

#	User	Length	Language	Date
1	Aidan Briggs	305	Java	2022-04-07 20:15:28
2	Firaol Bulo	327	Java	2023-07-28 15:01:06
3	Raymond Arrington	333	Java	2024-09-06 18:50:41
4	Isaac Allen	343	Java	2022-03-23 22:37:45
5	Carter Henderson	344	Java	2022-03-21 16:45:19
6	Allen Cook	348	Java	2022-03-05 20:09:54
7	Max Bagatini Alves	351	Java	2022-03-05 20:26:40
8	Josh Henderson	360	Java	2022-06-20 06:07:31
9	Isaac Mammel	364	Java	2023-09-02 20:48:52
10	Andreas Furst	367	Java	2022-11-30 19:51:51

#	User	Length	Language	Date
1	Hidden user	402	JavaScript (Node.js)	2023-09-01 04:58:21
2	Максим Войтенко	423	JavaScript (Node.js)	2025-02-26 14:53:38
3	Jeremiah Ang	424	JavaScript (Node.js)	2022-03-25 13:37:11
4	Aaron	429	JavaScript (Node.js)	2022-11-18 01:03:44
5	Muhd Hifzur Rahman	432	JavaScript (Node.js)	2022-04-11 11:29:11
6	Chua Sheng You	473	JavaScript (Node.js)	2022-04-16 10:32:02
7	James Nguyen	500	JavaScript (Node.js)	2024-11-06 22:37:02
8	Hidden user	507	JavaScript (Node.js)	2022-04-17 16:38:14
9	Isaac Lee	508	JavaScript (Node.js)	2022-04-19 07:43:31
10	Armaan Haron	508	JavaScript (Node.js)	2022-04-22 10:53:09

#	User	Length	Language	Date
1	Christian Cederquist	64	JavaScript (SpiderMonkey)	2022-11-09 17:05:28
2	Jimmy Gustafsson	92	JavaScript (SpiderMonkey)	2022-06-12 22:47:42
3	Evan Magill	109	JavaScript (SpiderMonkey)	2024-04-20 08:18:10
4	Bjørn Chr. Soltvedt	138	JavaScript (SpiderMonkey)	2022-03-16 11:38:46
5	Tyler VanHaren	183	JavaScript (SpiderMonkey)	2022-06-03 21:15:04
6	Nicklas Utgaard	407	JavaScript (SpiderMonkey)	2022-12-30 20:44:32

#	User	Length	Language	Date
1	Danny Robinson	51	Julia	2023-09-01 06:14:30
2	Timothy Gaede	238	Julia	2024-03-24 04:55:20

#	User	Length	Language	Date
1	Nicholas Johnson	128	Kotlin	2022-03-13 23:42:33
2	Karl Johan Heimark	189	Kotlin	2024-12-04 19:57:07
3	Troy Warmboe	190	Kotlin	2023-04-11 03:06:25
4	Linn Gregussen	252	Kotlin	2022-03-19 16:46:17
5	Jacob Huebner	288	Kotlin	2022-03-22 21:48:34
6	Magnus Tønnessen	297	Kotlin	2022-04-08 14:58:36
7	Alan Pramuk	358	Kotlin	2022-07-29 01:35:03
8	Adam Rankin	367	Kotlin	2023-04-22 20:10:28
9	Timo Schikhof	410	Kotlin	2022-04-21 15:14:43
10	Martijn Muijsers	510	Kotlin	2024-05-30 21:20:14

#	User	Length	Language	Date
1	Marcus Oscarsson	326	OCaml	2022-05-11 03:04:42
2	Fredrik Eriksson	326	OCaml	2024-11-03 01:49:52

#	User	Length	Language	Date
1	Zach Ventimiglia	331	Pascal	2025-02-24 14:13:52
2	Ingemar Ragnemalm	408	Pascal	2022-03-14 20:49:52
3	David Connolly	623	Pascal	2022-04-06 12:44:22

#	User	Length	Language	Date
1	Hidden user	210	PHP	2022-04-30 14:07:26
2	Renate	278	PHP	2022-03-17 00:51:53
3	Andre Wahyudi	403	PHP	2022-09-20 10:43:41

#	User	Length	Language	Date
1	Hakan Kjellerstrand	257	Prolog	2023-02-03 21:06:59
2	Andriy Zyevakov	822	Prolog	2023-01-23 21:29:42

#	User	Length	Language	Date
1	Johan Lyts	95	Python 2	2022-03-22 22:12:00
2	Øyvind Haarberg	119	Python 2	2022-09-21 19:44:38
3	Yanmarshus Bachtiar	121	Python 2	2022-03-14 03:56:31
4	Hasan Kalzi	333	Python 2	2022-06-18 09:59:38

#	User	Length	Language	Date
1	Clement Oh	39	Python 3	2023-06-02 07:37:24
2	Thomas Feld	44	Python 3	2022-12-22 15:55:49
3	Kevin Gomez	44	Python 3	2023-08-30 01:22:46
4	Erik Heimdal	46	Python 3	2022-11-23 21:06:27
5	Venukanthan BS	51	Python 3	2022-08-12 19:20:19
6	Mattéo Delabre	51	Python 3	2022-11-26 04:17:36
7	Benjamin Z White	51	Python 3	2023-03-27 15:07:11
8	George Zhang	51	Python 3	2023-10-05 02:09:17
9	Thibault Raffaillac	53	Python 3	2023-07-30 18:25:15
10	Tai Tze Kin	53	Python 3	2024-05-01 18:59:00

#	User	Length	Language	Date
1	Chenzhang Hu	34	Ruby	2024-05-23 19:10:45
2	Thomas Feld	39	Ruby	2022-12-22 16:00:42
3	dick move	44	Ruby	2022-11-08 20:42:47
4	Eugen Neagoe	105	Ruby	2023-04-08 19:24:14

#	User	Length	Language	Date
1	Vincent Lagerros	206	Rust	2025-01-20 16:06:16
2	Hidden user	332	Rust	2022-03-22 10:59:35
3	David Rasch	342	Rust	2022-04-15 15:11:48
4	Simon Reid	371	Rust	2023-09-18 04:21:34
5	Fabian Elliot Dudde Arn	397	Rust	2023-08-13 13:09:14
6	Thomas	412	Rust	2022-04-12 18:56:11
7	Ananda Umamil	412	Rust	2022-11-05 07:13:37
8	Pankajkumar Patro	421	Rust	2024-09-05 14:37:12
9	Bas Dirks	453	Rust	2022-03-13 06:55:56
10	Isak Jägberg	489	Rust	2022-09-18 14:59:44

Solution running time distribution