Problem F
Engineering English — Problem Statistics

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Submissions	7784
Accepted submissions	3380
Submission ratio	43.42%
Authors	3202
Accepted authors	2747
Author ratio	85.79%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-05-10 09:23:09
2	Steven Dominic Taniegra	0.00 s	C	2024-05-15 13:29:30
3	Ioannis Br	0.01 s	C	2019-12-13 16:14:25
4	Sambit Palit	0.01 s	C	2020-09-20 21:53:44
5	PhilCampbell	0.01 s	C	2021-02-11 15:41:29
6	Hidden user	0.01 s	C	2025-02-12 08:46:02
7	ARUN VIGNESH V	0.06 s	C	2025-05-10 19:51:27
8	Naveen Kumar S	0.07 s	C	2025-05-18 15:41:13
9	Sami Al Chalati	0.32 s	C	2024-09-23 18:34:22

#	User	Runtime	Language	Date
1	Joe Amenta	0.02 s	C#	2016-04-09 22:26:34
2	Tommy Ivarsson	0.03 s	C#	2015-04-15 15:30:07
3	Kim Böndergaard	0.03 s	C#	2015-12-09 19:52:09
4	suthirikhit	0.03 s	C#	2016-05-28 06:06:02
5	Youenn Bouglouan	0.03 s	C#	2016-10-27 17:00:43
6	Sergio Rodriguez Orellana	0.03 s	C#	2016-12-05 02:44:34
7	Przemysław Curzytek	0.03 s	C#	2016-12-09 15:06:04
8	Rasmus Brants	0.03 s	C#	2017-03-31 15:32:01
9	Hidden user	0.03 s	C#	2017-06-18 21:06:27
10	Duelene Olson	0.03 s	C#	2017-06-26 20:14:40

#	User	Runtime	Language	Date
1	David Cawthon	0.06 s	Common Lisp	2019-05-13 13:50:35

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-11-26 21:51:16

#	User	Runtime	Language	Date
1	Husain Satan	0.01 s	Go	2023-11-08 02:28:50
2	Ola Dahl	0.03 s	Go	2022-12-11 14:06:54
3	Muhammad Auliya	0.06 s	Go	2022-06-14 17:37:55
4	Chris Rudolph	0.08 s	Go	2018-10-13 05:10:56
5	James Robb	0.10 s	Go	2020-04-30 15:24:51
6	James Robb	0.10 s	Go	2020-05-12 11:58:04
7	Sander Hellesø	0.12 s	Go	2019-04-10 03:59:03
8	Aleksander Jan Mistewicz	0.15 s	Go	2019-02-04 16:10:48
9	Krzysztof Gibuła	0.15 s	Go	2019-03-17 15:41:28
10	Hidden user	0.16 s	Go	2019-02-03 12:35:44

#	User	Runtime	Language	Date
1	Tomas Möre	0.01 s	Haskell	2019-01-29 23:58:55
2	Morten Lohne	0.02 s	Haskell	2017-10-25 15:41:25
3	Isaac Arvestad	0.02 s	Haskell	2019-01-29 21:25:49
4	Steinar Simonnes	0.02 s	Haskell	2024-03-28 11:22:21
5	Matthew Johnson	0.03 s	Haskell	2017-02-27 01:47:48
6	Herman Karlsson	0.03 s	Haskell	2019-02-05 18:12:59
7	Hidden user	0.03 s	Haskell	2019-10-08 14:38:38
8	Elias Riedel Gårding	0.03 s	Haskell	2020-06-04 22:13:18
9	Jan Hrček	0.03 s	Haskell	2021-03-19 09:42:58
10	Hidden user	0.04 s	Haskell	2015-02-23 13:14:46

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2022-02-19 12:51:40
2	Samuel Klingström	0.10 s	Java	2017-06-12 22:01:37
3	Crystal Sharpe	0.11 s	Java	2021-01-28 01:11:37
4	Drew Hoover	0.12 s	Java	2015-10-09 01:16:35
5	Petter Andersson	0.12 s	Java	2016-02-27 15:40:52
6	Paul Boddington	0.12 s	Java	2016-05-10 20:56:17
7	Martijn Muijsers	0.12 s	Java	2016-10-10 15:07:44
8	Jonas de Rosche	0.12 s	Java	2017-09-16 13:38:23
9	Hidden user	0.12 s	Java	2018-02-04 05:51:31
10	Khánh Nguyễn Tiến	0.12 s	Java	2018-07-26 18:05:50

#	User	Runtime	Language	Date
1	Jacob Christianson	0.14 s	JavaScript (Node.js)	2022-10-04 02:36:54
2	Khin Nyunt	0.43 s	JavaScript (Node.js)	2021-10-02 11:07:20
3	Yamne D	0.51 s	JavaScript (Node.js)	2021-02-25 16:46:10
4	Howard Tin Chi Chan	0.63 s	JavaScript (Node.js)	2021-03-05 00:21:20

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2016-05-06 01:41:13
2	Michael Laszlo	0.03 s	JavaScript (SpiderMonkey)	2016-10-05 17:24:05
3	Christian Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-02-11 00:21:58
4	Peter Kedemo	0.42 s	JavaScript (SpiderMonkey)	2015-12-30 00:58:55
5	Paul Leung	0.43 s	JavaScript (SpiderMonkey)	2017-07-25 20:37:27

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2024-04-05 06:17:09
2	Danny Robinson	0.56 s	Julia	2023-09-28 18:33:43

#	User	Runtime	Language	Date
1	Hidden user	0.31 s	Kotlin	2017-11-12 03:42:33
2	Neil Harmon	0.32 s	Kotlin	2019-08-29 12:31:46
3	Taylor South	0.33 s	Kotlin	2023-04-04 23:27:17
4	Adam Rankin	0.39 s	Kotlin	2023-04-28 22:13:15
5	Sergey Jakobsen	0.40 s	Kotlin	2021-07-22 03:47:35
6	Harrison Penaflor	0.40 s	Kotlin	2021-08-31 00:56:24
7	Nathan Fulton	0.41 s	Kotlin	2021-08-27 03:59:33
8	Samuel Carlin	0.41 s	Kotlin	2021-08-30 19:28:39
9	Tom H	0.41 s	Kotlin	2021-08-30 19:49:06
10	Ryan Betz	0.41 s	Kotlin	2021-09-01 01:11:04

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.02 s	Lua	2023-12-03 16:38:50

#	User	Runtime	Language	Date
1	Joel Pettersson	0.71 s	Objective-C	2016-06-07 11:25:42
2	Jonas de Rosche	0.78 s	Objective-C	2017-09-17 13:09:11
3	Panos H.	0.82 s	Objective-C	2017-09-17 19:40:31

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.03 s	Pascal	2018-07-19 14:27:33

#	User	Runtime	Language	Date
1	Connor Billings	0.02 s	PHP	2020-10-21 23:41:26
2	Susanne Ragnemalm	0.05 s	PHP	2018-04-06 00:52:58

#	User	Runtime	Language	Date
1	Ailo Aasen	0.03 s	Python 2	2015-10-04 20:29:17
2	Paulo Bu	0.04 s	Python 2	2015-02-17 16:42:21
3	Daniel Palmqvist	0.04 s	Python 2	2015-04-23 20:39:27
4	Erik Odenman	0.04 s	Python 2	2015-05-15 00:51:55
5	Tore Norderud	0.04 s	Python 2	2015-08-25 22:17:52
6	Izzati Al Vandiar	0.04 s	Python 2	2015-11-09 03:49:04
7	Carl Martin Rosenberg	0.04 s	Python 2	2015-12-21 01:46:49
8	Johan Eliasson	0.04 s	Python 2	2016-01-03 20:33:15
9	Urban Pettersson	0.04 s	Python 2	2016-02-05 22:14:54
10	Hidden user	0.04 s	Python 2	2016-02-21 21:15:58

#	User	Runtime	Language	Date
1	Martin Stensgård	0.02 s	Python 3	2015-03-22 04:56:22
2	James Elías Sigurðarson	0.02 s	Python 3	2015-06-03 16:31:54
3	Hidden user	0.02 s	Python 3	2015-10-11 21:36:57
4	Hidden user	0.02 s	Python 3	2015-10-30 00:18:54
5	Daisy Ding	0.02 s	Python 3	2015-10-31 04:34:44
6	Sam Kee	0.02 s	Python 3	2015-10-31 21:32:25
7	Brian Tyrrell	0.02 s	Python 3	2015-11-01 02:45:05
8	Hidden user	0.02 s	Python 3	2015-11-01 03:04:47
9	Julian McClellan	0.02 s	Python 3	2015-11-02 00:05:28
10	Hidden user	0.02 s	Python 3	2015-11-02 05:53:33

#	User	Runtime	Language	Date
1	Casper Christensen	0.04 s	Ruby	2016-02-22 13:42:43
2	Dylan Mcdougall	0.05 s	Ruby	2019-10-18 04:26:03
3	Hidden user	0.06 s	Ruby	2018-10-23 20:57:42
4	Kok Dith	0.06 s	Ruby	2021-08-26 05:10:41
5	Thomas Feld	0.07 s	Ruby	2023-01-10 14:34:39
6	Ryan Ilgen	0.24 s	Ruby	2023-04-14 20:11:16

#	User	Runtime	Language	Date
1	ersode	0.00 s	Rust	2019-02-12 23:28:38
2	Egor Kulikov	0.00 s	Rust	2024-12-27 15:11:31
3	Connor Skees	0.01 s	Rust	2020-10-25 06:46:34
4	Eric Pinter	0.01 s	Rust	2020-10-30 03:25:38
5	Joshua Ji	0.01 s	Rust	2020-11-05 08:04:35
6	Mårten Nilsson	0.01 s	Rust	2020-11-27 18:18:29
7	Aaron Lengyel	0.01 s	Rust	2022-09-20 01:40:17
8	Daniel Anker Hermansen	0.01 s	Rust	2022-12-29 23:57:47
9	Sindbad Walter	0.01 s	Rust	2023-10-14 23:30:24
10	Hidden user	0.02 s	Rust	2019-02-01 10:26:44

#	User	Length	Language	Date
1	ARUN VIGNESH V	1274	C	2025-05-10 19:51:27
2	Sami Al Chalati	1315	C	2024-09-23 18:34:22
3	PhilCampbell	1566	C	2021-02-11 15:41:29
4	Hidden user	1680	C	2025-02-12 08:46:02
5	Steven Dominic Taniegra	1830	C	2024-05-15 13:29:30
6	Naveen Kumar S	1943	C	2025-05-18 15:41:13
7	Ioannis Br	2015	C	2019-12-13 16:14:25
8	Sambit Palit	2087	C	2020-09-20 21:53:44
9	Hidden user	3387	C	2017-05-10 09:38:44

#	User	Length	Language	Date
1	Göran Andersson	527	C#	2022-05-22 02:58:59
2	Marek Hołyński	674	C#	2022-05-30 10:49:02
3	Klas af Geijerstam	731	C#	2016-12-14 10:58:05
4	Ben-Richard Ebbesvik	734	C#	2022-03-02 19:46:26
5	Nathan Cheung	754	C#	2017-10-12 03:45:52
6	Shiyi Du	882	C#	2018-09-26 01:57:49
7	Hidden user	901	C#	2017-06-18 21:06:27
8	Duelene Olson	925	C#	2017-06-26 20:14:40
9	Raja Sanjeev Kumar Nakka	928	C#	2016-05-16 22:45:42
10	Michal Mroczek (c)	931	C#	2022-05-25 15:03:40

#	User	Length	Language	Date
1	Frans Meulenbroeks	183	C++	2025-02-18 22:04:02
2	Hidden user	246	C++	2020-07-30 00:51:52
3	Hidden user	249	C++	2017-05-27 13:58:04
4	Naufal Aziz	263	C++	2016-12-21 08:57:13
5	joyce lim li jie	291	C++	2019-06-10 02:41:42
6	Huy Huy	314	C++	2018-08-13 06:04:32
7	Hannes Hallqvist	321	C++	2021-10-30 20:54:41
8	Adeeb Redwan	324	C++	2019-07-04 13:46:24
9	azzamhb	326	C++	2019-07-04 13:41:14
10	Afeef Radithya	332	C++	2019-01-28 05:06:42

#	User	Length	Language	Date
1	David Cawthon	950	Common Lisp	2019-05-13 13:50:35

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	872	F#	2022-11-26 21:51:16

#	User	Length	Language	Date
1	Dylan Mcdougall	318	Go	2019-11-16 15:39:44
2	Muhammad Auliya	466	Go	2022-06-14 17:37:55
3	Aleksander Jan Mistewicz	547	Go	2019-02-04 16:10:48
4	Chris Rudolph	567	Go	2018-10-13 05:10:56
5	Krzysztof Gibuła	585	Go	2019-03-17 15:41:28
6	James Robb	622	Go	2020-04-30 15:24:51
7	James Robb	622	Go	2020-05-12 11:58:04
8	Hidden user	626	Go	2019-02-03 12:35:44
9	Husain Satan	698	Go	2023-11-08 02:28:50
10	Norbert Voelker	878	Go	2021-05-11 00:04:39

#	User	Length	Language	Date
1	Birk Tjelmeland	343	Haskell	2017-08-07 17:04:24
2	Herman Karlsson	448	Haskell	2019-02-05 18:12:59
3	Hidden user	520	Haskell	2019-10-08 14:38:38
4	Elias Riedel Gårding	536	Haskell	2020-06-04 22:13:18
5	Brent Yorgey	555	Haskell	2017-11-11 05:44:56
6	Lars Tveito	576	Haskell	2015-07-02 08:40:00
7	John Grzechowiak	695	Haskell	2017-03-02 04:07:33
8	Aurélien Pepin	697	Haskell	2019-09-19 18:29:53
9	Steinar Simonnes	731	Haskell	2024-03-28 11:33:12
10	Morten Lohne	782	Haskell	2017-10-25 15:41:25

#	User	Length	Language	Date
1	Kurtis Van Gent	337	Java	2016-02-16 15:06:14
2	Josh Henderson	358	Java	2023-09-04 18:42:59
3	Benjamin Laurence Erickson	399	Java	2016-02-19 23:45:33
4	Joseph Klawinski	402	Java	2018-04-20 00:10:56
5	Zhixiu Lu	409	Java	2016-02-16 18:24:05
6	Quan Chau	413	Java	2017-06-05 18:36:47
7	Alexandros Antonorsi	421	Java	2017-03-21 19:17:53
8	Stela Palii	422	Java	2017-11-08 21:58:48
9	Chris Lamb	428	Java	2016-10-22 01:15:03
10	Mitch Price	439	Java	2015-09-14 00:09:40

#	User	Length	Language	Date
1	Howard Tin Chi Chan	533	JavaScript (Node.js)	2021-03-05 00:21:20
2	Jacob Christianson	630	JavaScript (Node.js)	2022-10-04 02:36:54
3	Khin Nyunt	640	JavaScript (Node.js)	2021-10-02 11:07:20
4	Yamne D	715	JavaScript (Node.js)	2021-02-25 16:46:10

#	User	Length	Language	Date
1	Peter Kedemo	276	JavaScript (SpiderMonkey)	2015-12-30 00:58:55
2	Christian Cederquist	289	JavaScript (SpiderMonkey)	2023-02-11 00:21:58
3	Paul Leung	311	JavaScript (SpiderMonkey)	2017-07-25 20:37:27
4	Bjørn Chr. Soltvedt	531	JavaScript (SpiderMonkey)	2016-05-06 01:41:13
5	Michael Laszlo	743	JavaScript (SpiderMonkey)	2016-10-05 17:24:05

#	User	Length	Language	Date
1	Danny Robinson	123	Julia	2023-09-28 18:33:43
2	Timothy Gaede	364	Julia	2024-04-05 06:17:09

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	344	Kotlin	2020-09-28 01:40:48
2	Phường Lên	410	Kotlin	2019-11-03 18:58:09
3	Sergey Jakobsen	439	Kotlin	2021-07-22 03:49:10
4	Chris Johnson	451	Kotlin	2024-10-11 22:45:59
5	Aaron McFeaters	458	Kotlin	2021-09-01 04:33:38
6	Dana Reigle	469	Kotlin	2021-08-30 17:27:57
7	Harrison Penaflor	479	Kotlin	2021-08-31 00:56:24
8	Jahid Hasan Imon	493	Kotlin	2020-06-12 19:44:47
9	Charles Petrongolo	503	Kotlin	2021-09-01 04:01:29
10	Ryan Betz	509	Kotlin	2021-09-01 01:11:04

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	505	Lua	2023-12-03 16:38:50

#	User	Length	Language	Date
1	Joel Pettersson	1347	Objective-C	2016-06-07 11:25:42
2	Jonas de Rosche	1532	Objective-C	2017-09-17 13:09:11
3	Panos H.	1618	Objective-C	2017-09-17 19:40:31

#	User	Length	Language	Date
1	Ingemar Ragnemalm	9914	Pascal	2018-07-19 14:27:33

#	User	Length	Language	Date
1	Susanne Ragnemalm	284	PHP	2018-04-06 00:52:58
2	Connor Billings	440	PHP	2020-10-21 23:41:26

#	User	Length	Language	Date
1	Thomas Feld	158	Python 2	2019-08-21 14:29:02
2	Justin Su	179	Python 2	2018-04-01 10:39:07
3	Hidden user	203	Python 2	2019-01-29 01:29:17
4	Hidden user	212	Python 2	2018-01-06 06:06:31
5	Erik Odenman	215	Python 2	2015-05-15 00:51:55
6	Eoin Davey	216	Python 2	2017-08-09 17:30:41
7	Wang Zhi Jian	226	Python 2	2018-12-07 11:45:46
8	Jesper Öqvist	237	Python 2	2018-10-29 11:47:49
9	Andreas Björklund	238	Python 2	2019-04-14 19:39:33
10	Izzati Al Vandiar	242	Python 2	2015-11-09 03:49:04

#	User	Length	Language	Date
1	Elias Lundell	73	Python 3	2022-09-12 14:16:07
2	Leo Trolin	77	Python 3	2022-09-12 23:14:22
3	Hugo Ekinge	87	Python 3	2022-07-04 00:44:32
4	Tobias Glimmerfors	88	Python 3	2022-07-03 23:43:18
5	Oliver Ruste Jahren	113	Python 3	2023-07-03 00:41:14
6	Tai Tze Kin	119	Python 3	2024-05-08 09:29:52
7	Eduardo Vicente Petry	120	Python 3	2023-01-28 22:48:34
8	Ahmed Chamseddine	132	Python 3	2024-08-17 10:18:22
9	Anders Dafoe	137	Python 3	2022-07-03 21:17:58
10	Lee Isaac	139	Python 3	2022-11-10 14:42:17

#	User	Length	Language	Date
1	Thomas Feld	51	Ruby	2023-01-10 14:34:39
2	Casper Christensen	154	Ruby	2016-02-22 13:42:43
3	Kok Dith	218	Ruby	2021-08-26 05:10:41
4	Dylan Mcdougall	237	Ruby	2019-10-18 04:26:03
5	Hidden user	277	Ruby	2018-10-23 20:57:42
6	Ryan Ilgen	329	Ruby	2023-04-14 20:11:16

#	User	Length	Language	Date
1	David Rasch	502	Rust	2021-03-11 09:06:19
2	Horst Local	591	Rust	2025-05-31 12:12:26
3	Bas Dirks	627	Rust	2022-01-12 15:01:38
4	ersode	642	Rust	2019-02-12 23:28:38
5	Mårten Nilsson	696	Rust	2020-11-27 18:18:29
6	jskop	733	Rust	2022-05-24 12:39:22
7	Connor Skees	887	Rust	2020-10-25 06:47:24
8	Joshua Ji	985	Rust	2020-11-05 08:04:35
9	Isak Jägberg	1135	Rust	2021-01-31 22:42:24
10	Eric Pinter	1490	Rust	2020-10-30 03:25:38

Solution running time distribution