Problem I
Touchscreen Keyboard — Problem Statistics

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Submissions	2665
Accepted submissions	1617
Submission ratio	60.68%
Authors	1286
Accepted authors	1176
Author ratio	91.45%

#	User	Runtime	Language	Date
1	Minh Tuấn	0.01 s	C	2016-03-04 00:58:19
2	Love Engman	0.01 s	C	2016-08-22 09:50:33
3	Hidden user	0.01 s	C	2017-07-23 14:28:48
4	Seth Carter	0.01 s	C	2017-12-02 01:29:53
5	Hidden user	0.01 s	C	2017-12-02 20:44:52
6	Ivan Petrov	0.01 s	C	2019-05-27 10:46:44
7	Sambit Palit	0.01 s	C	2020-10-19 04:07:36
8	PhilCampbell	0.01 s	C	2021-01-24 13:23:51
9	Andrew Jones	0.01 s	C	2022-05-21 03:10:55
10	Hidden user	0.01 s	C	2024-10-15 21:30:50

#	User	Runtime	Language	Date
1	Thomas Norris	0.06 s	C#	2019-10-18 21:42:39
2	Laurens Fijn van Draat	0.07 s	C#	2021-09-15 17:39:25
3	Martijn van Brink	0.07 s	C#	2021-09-15 18:25:52
4	Hidden user	0.08 s	C#	2017-03-24 13:31:55
5	Mihai Spătariu	0.09 s	C#	2021-09-15 17:38:31
6	Göran Andersson	0.09 s	C#	2022-05-06 17:11:55
7	Hidden user	0.10 s	C#	2024-10-31 19:19:08
8	Mikael Fiala-Lundström	0.16 s	C#	2021-05-08 00:56:49
9	Erik van Holland	0.17 s	C#	2021-09-15 17:03:24
10	Eric Weiss	0.17 s	C#	2022-08-26 00:19:34

#	User	Runtime	Language	Date
1	Daniel Schemmel	0.00 s	C++	2016-09-28 19:16:51
2	Man Hin Jeffrey Hon	0.01 s	C++	2013-04-10 17:29:02
3	Patrik Lilja	0.01 s	C++	2015-07-01 19:11:55
4	Guilherme Andrade	0.01 s	C++	2015-11-01 19:40:19
5	Qian Sun	0.01 s	C++	2015-11-03 05:15:25
6	Yusan Leung Liu	0.01 s	C++	2015-11-06 15:03:28
7	Rico Tiongson	0.01 s	C++	2015-12-13 08:31:25
8	Neal Zane	0.01 s	C++	2015-12-21 16:42:50
9	Lim Hong Hui Eugene	0.01 s	C++	2015-12-28 01:01:51
10	Choyuk Chow	0.01 s	C++	2016-01-09 08:23:23

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.34 s	F#	2022-11-20 15:12:47

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Go	2024-10-21 12:00:24
2	Andriy Zyevakov	0.10 s	Go	2024-10-20 17:27:37
3	Norbert Voelker	0.49 s	Go	2021-05-03 12:16:46

#	User	Runtime	Language	Date
1	Øyvind Almli	0.22 s	Haskell	2021-10-09 22:42:27
2	Aurélien Pepin	0.25 s	Haskell	2019-09-04 09:53:12
3	Steinar Simonnes	0.30 s	Haskell	2024-05-26 19:17:24
4	Hidden user	0.33 s	Haskell	2023-01-14 03:22:51
5	Antony Lee	0.35 s	Haskell	2018-09-04 11:25:52
6	Erik Präntare	0.38 s	Haskell	2017-04-21 02:53:40
7	Hidden user	0.41 s	Haskell	2015-02-23 06:39:44
8	Jan Hrček	0.42 s	Haskell	2020-11-16 14:15:00
9	Li Jun	0.47 s	Haskell	2023-06-28 18:22:38
10	Sondre Lunde	0.74 s	Haskell	2021-11-07 10:25:11

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.14 s	Java	2022-02-18 19:55:15
2	Bjørn Dons	0.18 s	Java	2018-11-10 00:10:43
3	Michel Langeveld	0.19 s	Java	2015-12-09 20:28:08
4	José Vander Meulen	0.19 s	Java	2018-11-24 08:24:09
5	Finn Lidbetter	0.20 s	Java	2017-06-02 01:21:03
6	Charley Sheaffer	0.20 s	Java	2018-10-06 19:43:50
7	Erik Odenman	0.22 s	Java	2013-04-10 17:59:16
8	Michael Sullivan	0.22 s	Java	2015-12-29 15:14:01
9	Samuel Klingström	0.22 s	Java	2017-05-09 18:53:13
10	Steven Cheng	0.22 s	Java	2017-11-19 03:56:44

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.18 s	JavaScript (Node.js)	2019-06-08 21:54:43
2	Samuel Högfeldt	0.35 s	JavaScript (Node.js)	2022-08-08 13:22:16
3	Robert Williams	0.55 s	JavaScript (Node.js)	2019-09-28 19:38:04
4	Camilo Aparecido Ferri Moreira	0.56 s	JavaScript (Node.js)	2018-08-24 00:16:19
5	Jeremiah Ang	0.58 s	JavaScript (Node.js)	2022-04-19 07:11:09
6	Andoko Chandra	0.67 s	JavaScript (Node.js)	2020-10-14 09:00:14
7	Chris Wong	1.03 s	JavaScript (Node.js)	2021-03-15 00:06:15

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.33 s	JavaScript (SpiderMonkey)	2016-02-20 00:31:25
2	Peter Menyes	0.35 s	JavaScript (SpiderMonkey)	2021-09-25 10:41:36
3	Peter Kedemo	0.64 s	JavaScript (SpiderMonkey)	2015-12-20 20:58:28
4	Anthony Nandaa	0.74 s	JavaScript (SpiderMonkey)	2018-04-01 21:16:36
5	Christian Cederquist	0.81 s	JavaScript (SpiderMonkey)	2023-02-13 09:26:43
6	Jimmy Gustafsson	1.39 s	JavaScript (SpiderMonkey)	2024-08-28 22:51:54

#	User	Runtime	Language	Date
1	Timothy Gaede	0.98 s	Julia	2024-04-25 07:00:14

#	User	Runtime	Language	Date
1	Johnny Baloney	0.36 s	Kotlin	2021-12-04 21:25:08
2	Ashish Singh	0.43 s	Kotlin	2023-01-28 10:42:24
3	Malte Stellmacher	0.49 s	Kotlin	2020-11-12 16:43:39
4	Neil Harmon	0.52 s	Kotlin	2019-05-10 14:51:26
5	Adam Rankin	0.57 s	Kotlin	2023-05-10 00:34:05
6	Ravisai Tiruvuri	0.58 s	Kotlin	2024-03-24 06:14:21
7	Matthew Lutze	0.70 s	Kotlin	2019-09-24 04:28:07
8	Jahid Hasan Imon	0.79 s	Kotlin	2020-05-27 19:09:40
9	Jahid Hasan	0.80 s	Kotlin	2020-05-27 19:05:50
10	Einar Kjellback	1.01 s	Kotlin	2020-08-14 14:25:41

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.02 s	Pascal	2017-10-01 10:44:23

#	User	Runtime	Language	Date
1	Jeff Cashion	0.16 s	PHP	2018-04-27 17:06:35

#	User	Runtime	Language	Date
1	Mark Meysenburg	0.07 s	Python 3	2025-02-27 17:42:06
2	Akilan Manivannan	0.09 s	Python 3	2024-01-22 06:52:15
3	Hidden user	0.12 s	Python 3	2024-10-25 13:18:35
4	Alex Novikov	0.14 s	Python 3	2020-12-29 01:56:34
5	Petr	0.15 s	Python 3	2022-07-12 23:42:29
6	Tsog Gantumur	0.17 s	Python 3	2021-09-11 23:54:12
7	Win Htet Aung	0.18 s	Python 3	2021-06-11 05:10:43
8	Tistou	0.18 s	Python 3	2022-01-12 16:58:03
9	Lawry Sorenson	0.18 s	Python 3	2025-01-17 02:59:28
10	Gregor Grigorjan	0.20 s	Python 3	2021-04-01 18:11:02

#	User	Runtime	Language	Date
1	Kok Dith	0.82 s	Ruby	2021-08-24 15:34:16
2	Casper Christensen	0.88 s	Ruby	2016-03-10 22:01:53

#	User	Runtime	Language	Date
1	Magix	0.05 s	Rust	2022-01-05 22:01:34
2	jaswanth	0.05 s	Rust	2024-02-09 16:01:54
3	Eric Pinter	0.07 s	Rust	2022-05-03 02:05:16
4	Bas Dirks	0.11 s	Rust	2022-01-05 08:54:01
5	Freek van Keulen	0.34 s	Rust	2021-12-20 18:45:00
6	David Rasch	0.92 s	Rust	2021-02-04 12:28:58

#	User	Length	Language	Date
1	Nguyễn Hoàng	1421	C	2016-03-05 18:14:50
2	Hidden user	1433	C	2024-10-15 21:30:50
3	Ivan Petrov	1555	C	2019-05-27 10:46:44
4	Nhật Anh Võ Nguyễn	1634	C	2016-03-04 05:15:09
5	Minh Tuấn	1662	C	2016-03-04 00:58:19
6	Hidden user	1899	C	2017-12-02 20:44:52
7	Huỳnh Đức Dũng	1930	C	2016-03-05 18:15:06
8	Dimitris Nikolopoulos	1976	C	2021-09-15 18:22:55
9	Seth Carter	2017	C	2017-12-02 01:29:53
10	Sergio Huhuhu	2052	C	2018-05-04 21:50:26

#	User	Length	Language	Date
1	Göran Andersson	1163	C#	2022-05-06 17:11:55
2	John Ladera	1576	C#	2018-04-09 04:22:29
3	Lucía María Alvarez Sánchez	1628	C#	2023-05-24 21:36:40
4	María José López Sánchez	1674	C#	2023-04-28 17:33:57
5	Hidden user	2333	C#	2024-10-31 19:41:31
6	Eric Weiss	2394	C#	2022-08-26 00:19:34
7	Mads Pedersen	2773	C#	2019-09-27 17:28:48
8	Thomas Norris	2825	C#	2019-10-18 21:42:39
9	Mikael Fiala-Lundström	2833	C#	2021-05-08 00:56:49
10	Joel Fisser	2873	C#	2021-09-15 17:29:47

#	User	Length	Language	Date
1	Antonio Molina Lovett	671	C++	2016-08-09 07:37:56
2	Hidden user	750	C++	2024-01-31 12:43:26
3	Hyunjun Lee	775	C++	2022-10-18 18:56:25
4	Julian Neeleman	786	C++	2017-05-16 15:14:59
5	Manshant Singh Kohli	797	C++	2016-03-05 07:51:18
6	Matthew Joseph Schallenkamp	801	C++	2018-09-21 19:40:38
7	Man Hin Jeffrey Hon	815	C++	2013-04-10 17:29:02
8	Markus Mathiasen	828	C++	2021-08-02 20:03:21
9	Victor Colombo	831	C++	2016-05-28 23:46:35
10	Hidden user	831	C++	2019-05-02 04:06:18

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1189	F#	2022-11-20 15:12:47

#	User	Length	Language	Date
1	Hidden user	1401	Go	2024-10-20 17:38:08
2	Norbert Voelker	1482	Go	2021-05-03 12:16:46
3	Andriy Zyevakov	2182	Go	2024-10-20 17:27:37

#	User	Length	Language	Date
1	Li Jun	722	Haskell	2023-06-28 18:22:38
2	Hidden user	1080	Haskell	2019-08-24 18:39:39
3	Antony Lee	1161	Haskell	2018-09-04 11:25:52
4	Sondre Lunde	1167	Haskell	2021-11-07 10:25:11
5	Jan Hrček	1207	Haskell	2020-11-16 14:15:00
6	Øyvind Almli	1240	Haskell	2021-10-09 21:55:44
7	Aurélien Pepin	1336	Haskell	2019-09-04 09:53:12
8	Steinar Simonnes	1341	Haskell	2024-05-26 19:16:34
9	Erik Präntare	1631	Haskell	2017-04-21 02:21:37
10	Hidden user	4311	Haskell	2015-02-23 06:39:44

#	User	Length	Language	Date
1	Doug Goodman	1109	Java	2018-05-30 20:48:46
2	Duncan Page	1238	Java	2018-11-19 23:37:39
3	Alexandros Antonorsi	1346	Java	2020-02-29 03:22:43
4	Steve Tate	1364	Java	2016-10-07 19:46:33
5	Ahmad Barhamje	1364	Java	2019-08-06 08:10:12
6	Adam Risberg	1461	Java	2017-05-27 21:02:50
7	Caeden Whitaker	1486	Java	2020-07-21 08:14:43
8	Kevin Kauffman	1503	Java	2021-12-29 05:31:15
9	Nguyen Le Hoang Dang	1524	Java	2022-10-27 07:00:15
10	Tuan Le	1544	Java	2018-09-09 05:08:35

#	User	Length	Language	Date
1	Jeremiah Ang	1170	JavaScript (Node.js)	2022-04-19 07:11:09
2	Chris Wong	1392	JavaScript (Node.js)	2021-03-15 00:06:15
3	Robert Williams	1568	JavaScript (Node.js)	2019-09-28 19:38:04
4	Samuel Högfeldt	1790	JavaScript (Node.js)	2022-08-08 13:22:16
5	Andoko Chandra	1909	JavaScript (Node.js)	2020-10-14 09:00:14
6	Gurpartap Singh Bhatti	2150	JavaScript (Node.js)	2019-06-08 21:54:43
7	Camilo Aparecido Ferri Moreira	2552	JavaScript (Node.js)	2018-08-24 00:16:19

#	User	Length	Language	Date
1	Jimmy Gustafsson	371	JavaScript (SpiderMonkey)	2024-08-28 22:51:54
2	Christian Cederquist	841	JavaScript (SpiderMonkey)	2023-02-13 09:26:43
3	Peter Menyes	1052	JavaScript (SpiderMonkey)	2021-09-25 10:41:36
4	Bjørn Chr. Soltvedt	1052	JavaScript (SpiderMonkey)	2016-02-20 00:01:49
5	Peter Kedemo	1139	JavaScript (SpiderMonkey)	2015-12-20 20:58:28
6	Anthony Nandaa	1586	JavaScript (SpiderMonkey)	2018-04-01 21:16:36

#	User	Length	Language	Date
1	Timothy Gaede	2610	Julia	2024-04-25 07:00:14

#	User	Length	Language	Date
1	Ashish Singh	1087	Kotlin	2023-01-28 10:42:24
2	Einar Kjellback	1192	Kotlin	2020-08-14 14:25:41
3	Adam Rankin	1232	Kotlin	2023-05-10 00:34:05
4	Matthew Lutze	1312	Kotlin	2019-09-24 04:28:07
5	Jahid Hasan	1360	Kotlin	2020-05-27 19:05:50
6	Jahid Hasan Imon	1371	Kotlin	2020-05-27 19:09:40
7	Neil Harmon	1869	Kotlin	2019-05-10 14:51:26
8	Johnny Baloney	2064	Kotlin	2021-12-04 20:57:48
9	Malte Stellmacher	2503	Kotlin	2020-11-12 16:43:39
10	Ravisai Tiruvuri	6337	Kotlin	2024-03-24 06:14:21

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3910	Pascal	2017-10-01 10:44:23

#	User	Length	Language	Date
1	Jeff Cashion	2181	PHP	2018-04-27 17:06:35

#	User	Length	Language	Date
1	Ahmed Chamseddine	295	Python 3	2024-08-16 10:21:07
2	Benjamin Z White	314	Python 3	2023-04-04 21:15:07
3	Michael Goldwasser	328	Python 3	2024-09-13 08:07:32
4	Marcus Xu	363	Python 3	2021-12-21 10:49:00
5	Hidden user	399	Python 3	2023-10-13 17:31:44
6	Omair Syed	454	Python 3	2024-09-18 05:37:18
7	Johan Wind	479	Python 3	2018-04-02 06:46:36
8	Hidden user	487	Python 3	2020-07-16 10:31:43
9	Nicholas Russell Saerang	495	Python 3	2022-03-16 19:46:26
10	Roger Bongers	498	Python 3	2019-03-22 00:03:57

#	User	Length	Language	Date
1	Kok Dith	592	Ruby	2021-08-24 15:34:16
2	Casper Christensen	667	Ruby	2016-03-10 22:01:53

#	User	Length	Language	Date
1	David Rasch	1422	Rust	2021-02-04 12:28:58
2	Bas Dirks	1573	Rust	2022-01-05 08:54:01
3	Freek van Keulen	1991	Rust	2021-12-20 18:45:00
4	Eric Pinter	2136	Rust	2022-05-03 02:05:16
5	jaswanth	3392	Rust	2024-02-09 16:05:47
6	Magix	3651	Rust	2022-01-05 21:51:14

Solution running time distribution