Problem A
Keyboardd — Problem Statistics

Back to problem description

Submissions	2519
Accepted submissions	1171
Submission ratio	46.49%
Authors	1102
Full solves [?]	965
Full solve Ratio	87.57%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2024-05-22 16:26:08

#	User	Runtime	Language	Date
1	Emil Clemedson	0.02 s	C#	2021-09-29 09:01:59
2	Göran Andersson	0.02 s	C#	2022-05-21 20:32:57
3	Ali Aliev	0.02 s	C#	2022-06-19 12:45:46
4	Eric Weiss	0.02 s	C#	2022-09-19 15:32:11
5	Henrik Hallbert	0.03 s	C#	2021-11-04 20:59:52
6	Stefan Forsberg	0.03 s	C#	2022-06-03 21:32:07
7	traxex	0.03 s	C#	2024-05-08 12:45:58
8	Yuwono Bangun Nagoro	0.04 s	C#	2024-08-12 03:53:45
9	Mikael Fiala-Lundström	0.06 s	C#	2021-05-31 12:25:50

#	User	Runtime	Language	Date
1	dick move	0.00 s	Crystal	2025-10-12 12:53:04

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-01-15 20:41:36

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Go	2021-04-04 08:25:58

#	User	Runtime	Language	Date
1	Sondre Lunde	0.00 s	Haskell	2022-11-10 08:31:26
2	Mason Barnhill	0.00 s	Haskell	2023-04-18 00:49:11
3	Steinar Simonnes	0.00 s	Haskell	2024-03-11 12:03:32
4	Hidden user	0.00 s	Haskell	2025-01-13 19:23:22
5	Philip Lindstøl Svenningsen	0.00 s	Haskell	2025-01-15 18:24:03
6	Snorre Thomsen	0.00 s	Haskell	2025-01-16 20:37:10
7	Brent Yorgey	0.01 s	Haskell	2021-04-03 21:28:18
8	Jan Hrček	0.01 s	Haskell	2021-04-07 19:15:38
9	Hidden user	0.01 s	Haskell	2021-05-30 16:06:39
10	Amar Topalovic	0.01 s	Haskell	2021-06-28 16:32:54

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-01-01 02:57:51
2	Jerry Wang	0.04 s	Java	2025-10-22 03:41:45
3	Nick Wu	0.05 s	Java	2025-10-22 03:37:37
4	Kristoffer Borgstrøm	0.06 s	Java	2021-04-06 19:33:22
5	Crystal Sharpe	0.06 s	Java	2021-04-16 05:53:22
6	Emil Bak-Møller	0.06 s	Java	2021-07-30 03:02:26
7	Jiayi Lee	0.06 s	Java	2021-09-02 20:53:45
8	Benjamin Reidys	0.06 s	Java	2021-10-14 06:59:41
9	武晓飞	0.06 s	Java	2021-10-28 03:45:25
10	Sven Rönnbäck	0.06 s	Java	2021-12-23 20:16:49

#	User	Runtime	Language	Date
1	Nijat Kazimli	0.04 s	JavaScript (Node.js)	2024-12-11 17:53:02
2	Peter Kedemo	0.42 s	JavaScript (Node.js)	2022-01-02 13:39:34
3	Koby Lewis	0.42 s	JavaScript (Node.js)	2022-02-11 03:47:50

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2021-04-04 16:14:12
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-10-16 18:53:06
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-03 01:55:20

#	User	Runtime	Language	Date
1	Timothy Gaede	0.67 s	Julia	2024-04-27 03:54:17

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2022-03-18 02:34:17
2	Roger Bongers	0.17 s	Kotlin	2021-06-27 06:51:38
3	Aidan Dagnall	0.18 s	Kotlin	2022-09-30 12:26:01
4	Taylor South	0.18 s	Kotlin	2023-03-07 21:29:51
5	Adam Rankin	0.19 s	Kotlin	2023-08-31 04:55:12
6	Sergey Jakobsen	0.29 s	Kotlin	2021-07-22 02:27:53

#	User	Runtime	Language	Date
1	Archar Gelod	0.00 s	Nim	2024-11-26 07:51:56

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2021-04-09 12:53:12
2	Nhật Nguyễn Minh	0.00 s	Pascal	2021-10-23 14:53:48

#	User	Runtime	Language	Date
1	Danny Robinson	0.02 s	Prolog	2023-10-26 14:46:52
2	Andriy Zyevakov	0.10 s	Prolog	2021-12-11 15:19:42

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2021-04-15 02:03:18
2	Thomas Feld	0.03 s	Python 2	2021-05-27 12:12:57
3	Yanmarshus Bachtiar	0.03 s	Python 2	2021-05-29 10:56:54
4	Adriaan de Vries	0.03 s	Python 2	2021-10-23 16:43:38
5	Andreas Björklund	0.03 s	Python 2	2021-11-20 11:32:23
6	Gibransyah	0.03 s	Python 2	2022-03-15 11:57:17
7	Johan Lyts	0.03 s	Python 2	2023-01-14 13:48:53

#	User	Runtime	Language	Date
1	Weiguo Jiang	0.04 s	Python 3	2022-06-18 02:12:01
2	Kattis Speedrun	0.04 s	Python 3	2022-07-21 15:20:04
3	Tan Yong Boon	0.04 s	Python 3	2022-07-21 15:51:54
4	Chong Wang	0.04 s	Python 3	2022-07-23 02:31:40
5	Ryan Tan	0.04 s	Python 3	2022-08-03 16:36:22
6	Simon Ljungbeck	0.04 s	Python 3	2022-09-18 13:49:31
7	Benjamin Kugelberg	0.04 s	Python 3	2022-09-18 13:50:14
8	Lasse Letager Hansen	0.04 s	Python 3	2022-09-22 15:16:37
9	Luccas Constantin-Sukul	0.04 s	Python 3	2022-09-22 15:30:11
10	Andreas Hansen	0.04 s	Python 3	2022-09-22 16:02:12

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-30 07:38:58
2	Thomas Feld	0.05 s	Ruby	2023-07-03 15:36:05
3	Chenzhang Hu	0.06 s	Ruby	2024-05-22 16:28:12

#	User	Length	Language	Date
1	Chenzhang Hu	64	Bash	2025-09-13 02:49:39

#	User	Length	Language	Date
1	Florian ten Napel	420	C	2025-01-13 17:28:41
2	Mikael K Eriksson	531	C	2021-04-12 22:39:11
3	Zach Tschetter	570	C	2021-08-30 21:24:40
4	Agis Daniels	604	C	2022-01-15 12:33:53
5	Eilif Eilifsen	691	C	2025-01-14 13:57:57
6	Leslie Yip	818	C	2022-09-26 12:27:26
7	Jeffrey Micono	837	C	2021-09-01 15:58:52
8	Sambit Palit	860	C	2021-06-27 19:01:58
9	Doni Prasetyo	986	C	2024-11-23 10:32:02
10	Pallavi Sowl	1091	C	2022-08-10 18:13:38

#	User	Length	Language	Date
1	traxex	377	C#	2024-05-08 12:45:58
2	Göran Andersson	466	C#	2022-05-21 20:32:57
3	Ali Aliev	485	C#	2022-06-19 12:45:46
4	Stefan Forsberg	512	C#	2022-06-03 21:32:07
5	Eric Weiss	948	C#	2022-09-19 15:32:11
6	Henrik Hallbert	976	C#	2021-11-04 20:59:52
7	Emil Clemedson	1498	C#	2021-09-29 09:01:59
8	Yuwono Bangun Nagoro	1598	C#	2024-08-12 03:53:45
9	Mikael Fiala-Lundström	3064	C#	2021-05-31 12:25:50

#	User	Length	Language	Date
1	Frans Meulenbroeks	177	C++	2025-02-18 13:04:46
2	Grae Yeandle	280	C++	2021-04-03 18:51:43
3	Elias Lolck	294	C++	2023-11-21 11:25:12
4	Patrick Culmer	303	C++	2024-03-07 14:30:03
5	omga	306	C++	2025-07-06 13:26:49
6	Hidden user	309	C++	2023-07-01 21:08:27
7	Vaibhav Bajoriya	320	C++	2024-11-20 03:16:53
8	Yeung Man Tsung	322	C++	2023-01-16 13:51:36
9	Alex Rudzenis	334	C++	2023-05-14 12:55:08
10	Kevin Sun	338	C++	2021-04-15 04:24:54

#	User	Length	Language	Date
1	dick move	244	Crystal	2025-10-12 12:53:04

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	384	F#	2023-01-15 20:41:36

#	User	Length	Language	Date
1	Hidden user	380	Go	2021-04-04 08:25:58

#	User	Length	Language	Date
1	Amar Topalovic	212	Haskell	2021-06-28 16:32:54
2	Sondre Lunde	239	Haskell	2022-11-10 08:33:14
3	Zach Tschetter	251	Haskell	2021-08-27 22:27:25
4	Øyvind Almli	262	Haskell	2021-11-01 22:19:11
5	Mason Barnhill	332	Haskell	2023-04-18 00:49:11
6	Joshua Coward	337	Haskell	2021-10-22 21:56:12
7	Bjarki Baldursson Harksen	371	Haskell	2021-11-10 21:49:23
8	Hidden user	386	Haskell	2025-01-13 19:23:22
9	Philip Lindstøl Svenningsen	416	Haskell	2025-01-15 18:24:03
10	Rudy Matela	462	Haskell	2024-11-11 17:21:30

#	User	Length	Language	Date
1	Rasmus Streubel Nielsen	405	Java	2024-07-28 00:47:33
2	Sid A	607	Java	2021-04-11 21:33:14
3	Josh Henderson	623	Java	2021-08-29 01:25:36
4	Christopher Stephens	638	Java	2022-04-26 00:35:46
5	Thomas Beuman	640	Java	2021-05-31 14:01:32
6	Crystal Sharpe	642	Java	2021-04-16 05:53:22
7	Darius Juodis	646	Java	2022-04-25 14:33:39
8	Joshua Manascu	657	Java	2024-11-07 01:28:21
9	Marshall D Feng	660	Java	2022-03-11 03:53:38
10	Joobong Bae	673	Java	2024-01-23 03:40:16

#	User	Length	Language	Date
1	Nijat Kazimli	583	JavaScript (Node.js)	2024-12-11 17:53:02
2	Peter Kedemo	598	JavaScript (Node.js)	2022-01-02 13:39:34
3	Koby Lewis	984	JavaScript (Node.js)	2022-02-11 03:47:50

#	User	Length	Language	Date
1	Peter Menyes	224	JavaScript (SpiderMonkey)	2021-10-16 18:53:06
2	Christian Pilegaard Cederquist	249	JavaScript (SpiderMonkey)	2023-04-03 01:55:20
3	Bjørn Chr. Soltvedt	264	JavaScript (SpiderMonkey)	2021-04-04 16:14:12

#	User	Length	Language	Date
1	Timothy Gaede	1121	Julia	2024-04-27 03:54:17

#	User	Length	Language	Date
1	Taylor South	190	Kotlin	2023-02-21 22:03:08
2	Sergey Jakobsen	304	Kotlin	2021-07-22 02:27:53
3	Adam Rankin	392	Kotlin	2023-08-31 04:55:12
4	Aidan Dagnall	439	Kotlin	2022-09-30 12:26:01
5	Roger Bongers	520	Kotlin	2021-06-27 06:51:38
6	Jacob Huebner	664	Kotlin	2022-03-18 02:34:17

#	User	Length	Language	Date
1	Archar Gelod	379	Nim	2024-11-26 07:51:56

#	User	Length	Language	Date
1	Ingemar Ragnemalm	502	Pascal	2021-04-09 12:53:12
2	Nhật Nguyễn Minh	994	Pascal	2021-10-23 14:53:48

#	User	Length	Language	Date
1	Danny Robinson	198	Prolog	2023-10-26 14:46:52
2	Andriy Zyevakov	956	Prolog	2021-12-11 15:19:42

#	User	Length	Language	Date
1	Thomas Feld	152	Python 2	2021-05-27 12:12:57
2	Hidden user	197	Python 2	2021-04-15 02:03:18
3	Adriaan de Vries	215	Python 2	2021-10-23 16:43:38
4	Andreas Björklund	223	Python 2	2021-11-20 11:32:23
5	Yanmarshus Bachtiar	298	Python 2	2021-05-29 10:56:54
6	Johan Lyts	299	Python 2	2023-01-14 13:48:53
7	Gibransyah	407	Python 2	2022-03-15 11:57:17

#	User	Length	Language	Date
1	Clement Oh	56	Python 3	2023-07-02 15:49:55
2	Shashank Bhatt	78	Python 3	2022-12-13 04:20:22
3	Evan Rose	79	Python 3	2022-11-01 09:13:56
4	Jozef Sieniawski	89	Python 3	2022-09-30 12:30:37
5	Kaaden RumanCam	90	Python 3	2021-10-06 00:35:58
6	Zac Friggstad	90	Python 3	2025-11-27 21:22:48
7	Victorio NASCIMENTO	101	Python 3	2024-09-26 03:51:39
8	Jonas van der Schaaf	102	Python 3	2022-10-16 20:59:36
9	Gabriel Hofer	104	Python 3	2021-04-15 04:23:02
10	Win Htet Aung	104	Python 3	2021-05-31 16:47:31

#	User	Length	Language	Date
1	Thomas Feld	48	Ruby	2023-07-03 15:40:54
2	Chenzhang Hu	55	Ruby	2024-05-22 16:28:12
3	Kok Dith	122	Ruby	2021-08-30 07:38:58

#	User	Length	Language	Date
1	Vincent Lagerros	465	Rust	2025-05-27 21:43:19
2	Joost Scheffer	530	Rust	2021-04-18 21:46:58
3	David Rasch	544	Rust	2022-04-29 16:34:46
4	Bas Dirks	715	Rust	2022-01-08 11:06:50
5	Ole Magnus	722	Rust	2025-01-14 07:48:27
6	Artur Khuziakhmetov	917	Rust	2022-07-25 20:33:23
7	Sebastian Refsnes	939	Rust	2025-01-15 11:24:16
8	Norbert Voelker	994	Rust	2021-06-09 23:17:40
9	Eric Pinter	1310	Rust	2021-10-29 04:04:12
10	Melvyn Depeyrot	1536	Rust	2025-03-14 01:01:58

Solution running time distribution