Problem F
Semafori — Problem Statistics

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Submissions	2552
Accepted submissions	1480
Submission ratio	57.99%
Authors	1439
Accepted authors	1330
Author ratio	92.43%

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-04-14 14:53:37
2	masosz	0.02 s	C#	2015-02-14 00:07:39
3	Greg Roderick	0.02 s	C#	2015-09-21 03:32:13
4	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-06-24 20:44:28
5	Robert Low	0.02 s	C#	2016-07-25 14:41:35
6	Pavel Volgarev	0.02 s	C#	2016-11-15 02:58:09
7	Yaman Shiekh Deia	0.02 s	C#	2017-05-15 22:56:14
8	Саттар Имамов	0.02 s	C#	2017-11-09 20:26:06
9	Faisal Rahman	0.02 s	C#	2018-02-12 08:55:45
10	Amith Kumar Matapady	0.02 s	C#	2019-03-09 19:41:35

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-10-11 16:17:54

#	User	Runtime	Language	Date
1	suka isnaini	0.00 s	Go	2023-12-24 12:33:33
2	Thomas	0.00 s	Go	2024-01-11 03:13:55
3	Jacob Pine	0.02 s	Go	2019-09-21 01:40:26
4	Ian Howell	0.08 s	Go	2019-08-31 17:25:30
5	Norbert Voelker	0.08 s	Go	2021-04-23 14:50:18
6	Yuwono Bangun Nagoro	0.09 s	Go	2016-11-28 05:16:04

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2015-02-10 14:21:31
2	Dario Vidas	0.00 s	Haskell	2015-05-15 15:55:07
3	Patrik Lilja	0.00 s	Haskell	2016-03-27 18:54:25
4	Johan Meier	0.00 s	Haskell	2016-12-28 19:09:03
5	Brent Yorgey	0.00 s	Haskell	2017-10-22 04:46:10
6	Jackson Garner	0.00 s	Haskell	2017-11-08 22:37:41
7	Tim Put	0.00 s	Haskell	2020-01-21 02:04:15
8	Jason Hooper	0.01 s	Haskell	2019-08-25 20:24:09
9	Hidden user	0.01 s	Haskell	2019-09-26 21:23:31
10	Ignat Insarov	0.01 s	Haskell	2019-10-22 17:38:21

#	User	Runtime	Language	Date
1	Erik Odenman	0.05 s	Java	2011-04-18 16:35:18
2	Rikard Blixt	0.05 s	Java	2014-04-14 13:33:06
3	Kai Widell Niigata	0.05 s	Java	2014-04-14 14:34:02
4	Patrik Hörnqvist	0.05 s	Java	2015-06-26 00:01:57
5	Dennis Ang	0.05 s	Java	2015-09-26 11:37:43
6	Nick Wu	0.05 s	Java	2015-10-13 06:05:41
7	Michel Langeveld	0.05 s	Java	2015-12-06 22:49:49
8	Dennis Shi	0.05 s	Java	2015-12-24 04:34:43
9	Erik Baalhuis	0.05 s	Java	2016-02-14 23:58:12
10	Love Engman	0.05 s	Java	2016-06-29 19:12:51

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.08 s	JavaScript (Node.js)	2022-08-21 11:01:37
2	Chris Wong	0.41 s	JavaScript (Node.js)	2021-03-01 21:35:47
3	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-16 17:17:26

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-27 02:42:01
2	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-08-09 05:55:47
3	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2015-12-23 00:06:27
4	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-09 12:53:10
5	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-15 22:20:34
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-26 23:05:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.63 s	Julia	2024-04-07 07:24:46

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2022-03-05 05:05:38
2	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 20:39:29
3	Adam Rankin	0.19 s	Kotlin	2023-05-10 21:39:52
4	Einar Kjellback	0.20 s	Kotlin	2020-08-17 09:47:56
5	Troy Warmboe	0.20 s	Kotlin	2023-04-12 03:23:54
6	Neil Harmon	0.21 s	Kotlin	2019-07-03 14:37:28
7	Mohsen Dehbashi	0.21 s	Kotlin	2021-07-08 12:48:34
8	Emil Wihlander	0.22 s	Kotlin	2024-07-31 00:03:52
9	Phường Lên	0.23 s	Kotlin	2020-04-14 21:00:08

#	User	Runtime	Language	Date
1	Samuel Jefferis	0.00 s	OCaml	2020-11-24 00:09:03

#	User	Runtime	Language	Date
1	Savvas Alexandrou	0.01 s	PHP	2019-12-23 23:44:39

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2019-05-05 12:07:41

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2015-04-14 23:22:50
2	Gustaf Waldemarson	0.02 s	Python 2	2015-04-15 18:11:43
3	Team Baud	0.02 s	Python 2	2015-04-16 09:53:31
4	Magnús Þór Benediktsson	0.02 s	Python 2	2015-05-16 00:21:48
5	Johannes Agestam	0.02 s	Python 2	2015-08-19 11:27:08
6	Hans Rusten	0.02 s	Python 2	2015-10-26 13:17:50
7	udprogrammingteam Team	0.02 s	Python 2	2017-08-30 03:47:07
8	Andrew Mark Allen	0.02 s	Python 2	2018-01-20 17:30:34
9	Øyvind Haarberg	0.02 s	Python 2	2018-02-08 15:32:07
10	Jia Hao He	0.02 s	Python 2	2018-03-06 22:58:26

#	User	Runtime	Language	Date
1	Henrik Adolfsson	0.02 s	Python 3	2014-04-14 13:56:27
2	Hidden user	0.02 s	Python 3	2014-07-09 19:47:05
3	Johannes Agestam	0.02 s	Python 3	2015-08-19 11:26:46
4	Mikael Hedin	0.02 s	Python 3	2015-11-26 18:28:02
5	Wayne	0.02 s	Python 3	2016-02-01 22:20:11
6	Dragan Jojić	0.02 s	Python 3	2016-03-12 20:13:44
7	Daniel Showalter	0.02 s	Python 3	2016-03-16 21:18:59
8	Ljupka Antunovic	0.02 s	Python 3	2016-03-18 15:36:31
9	Lucia Pál (Simanová)	0.02 s	Python 3	2016-07-20 18:08:25
10	Ayman Boutadghart	0.02 s	Python 3	2016-08-03 23:48:26

#	User	Runtime	Language	Date
1	Erik Rydbert	0.03 s	Ruby	2016-07-26 11:19:46
2	Kok Dith	0.05 s	Ruby	2021-08-20 08:20:44
3	Thomas Feld	0.06 s	Ruby	2023-03-01 12:03:19

#	User	Runtime	Language	Date
1	Dalton Cole	0.00 s	Rust	2021-12-04 02:01:12
2	Bas Dirks	0.00 s	Rust	2022-01-06 16:35:04
3	Mileta Mitrovic	0.00 s	Rust	2022-01-13 13:55:58
4	Magix	0.00 s	Rust	2022-06-11 17:10:24
5	Lily Gloudemans	0.00 s	Rust	2023-10-10 23:32:58
6	Pankajkumar Patro	0.00 s	Rust	2024-08-26 18:45:10
7	Isak Jägberg	0.00 s	Rust	2024-10-24 13:44:20
8	Vincent Lagerros	0.00 s	Rust	2025-06-08 22:06:44

#	User	Length	Language	Date
1	Hidden user	256	C	2014-11-16 12:49:58
2	Gustaf Pihl	309	C	2016-09-17 02:50:49
3	Hidden user	321	C	2017-12-05 10:56:06
4	Dario Vidas	340	C	2015-05-15 15:29:24
5	daxing	343	C	2020-01-25 08:47:30
6	Phan Ngoc Lan	356	C	2016-12-22 08:43:08
7	Julian Duniec	367	C	2023-08-25 11:15:08
8	Hidden user	372	C	2022-07-22 01:56:30
9	Farhan Feroz	375	C	2016-03-28 18:31:42
10	Matthew Weston	393	C	2022-02-21 17:21:39

#	User	Length	Language	Date
1	traxex	361	C#	2024-05-27 08:17:29
2	miclovt	604	C#	2019-12-14 15:42:17
3	Yaman Shiekh Deia	850	C#	2017-05-15 22:56:14
4	Amilkar Shegrid Contreras Castro	857	C#	2019-12-13 22:29:39
5	Thomas Norris	931	C#	2020-11-16 20:15:35
6	Robert Low	969	C#	2016-07-25 14:41:35
7	Miguel Gisbert	1033	C#	2019-12-14 22:18:43
8	Саттар Имамов	1097	C#	2017-11-09 20:26:06
9	Göran Andersson	1277	C#	2022-05-16 12:25:58
10	Faisal Rahman	1433	C#	2018-02-12 08:55:45

#	User	Length	Language	Date
1	Rafif Musyaffa Indarto	188	C++	2025-03-13 13:37:04
2	Yohannes Melese	230	C++	2021-10-15 17:37:40
3	黃浚瑜	244	C++	2022-01-31 02:59:08
4	Đoàn Công Chính	255	C++	2018-01-20 05:39:58
5	Hidden user	279	C++	2016-05-21 17:39:44
6	Cutes Mouse	280	C++	2023-08-14 08:23:04
7	William Gan	282	C++	2017-03-01 13:42:33
8	Francesco Ariani	283	C++	2022-10-17 19:05:48
9	Wing Khang Lai	285	C++	2017-01-21 11:12:48
10	Grae Yeandle	287	C++	2016-12-02 15:26:23

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1530	F#	2022-10-11 16:17:54

#	User	Length	Language	Date
1	Jacob Pine	365	Go	2019-09-21 01:40:26
2	suka isnaini	434	Go	2023-12-24 12:33:33
3	Ian Howell	674	Go	2019-08-31 17:25:30
4	Yuwono Bangun Nagoro	761	Go	2016-11-28 05:16:04
5	Norbert Voelker	769	Go	2021-04-23 14:50:18
6	Thomas	1356	Go	2024-01-11 03:13:55

#	User	Length	Language	Date
1	Jackson Garner	467	Haskell	2017-11-08 22:37:41
2	Johan Meier	490	Haskell	2016-12-28 19:09:03
3	Dario Vidas	508	Haskell	2015-05-15 15:55:07
4	Tim Put	553	Haskell	2020-01-21 02:04:15
5	Steinar Simonnes	588	Haskell	2020-11-12 11:49:26
6	Ignat Insarov	633	Haskell	2019-10-22 17:38:21
7	Patrik Lilja	719	Haskell	2016-03-27 18:54:25
8	Caleb Surovik	837	Haskell	2021-07-12 02:28:44
9	Marcus Alsted Wegmann	968	Haskell	2022-03-25 23:04:31
10	Brent Yorgey	1009	Haskell	2017-10-22 04:46:10

#	User	Length	Language	Date
1	Doug Goodman	463	Java	2018-04-26 13:28:41
2	Qritel Abdelilah	464	Java	2018-01-01 04:08:08
3	Simon Xue	465	Java	2015-11-12 05:33:47
4	Dez Yalom	511	Java	2019-01-31 00:41:40
5	Alvin Yan	512	Java	2017-12-31 08:32:56
6	Tim Smith	516	Java	2016-11-08 06:03:22
7	Marcus Phua	516	Java	2018-07-04 16:43:03
8	Huang Jingnan	519	Java	2018-06-27 16:50:52
9	Pedram Asadzadhe	526	Java	2018-03-31 23:04:40
10	Stela Palii	530	Java	2017-11-08 05:40:36

#	User	Length	Language	Date
1	Samuel Högfeldt	723	JavaScript (Node.js)	2022-08-21 11:01:37
2	Chris Wong	1047	JavaScript (Node.js)	2021-03-01 21:35:47
3	Andoko Chandra	1239	JavaScript (Node.js)	2020-10-16 17:17:26

#	User	Length	Language	Date
1	Jimmy Gustafsson	123	JavaScript (SpiderMonkey)	2024-07-26 23:05:51
2	Christian Cederquist	299	JavaScript (SpiderMonkey)	2023-01-15 22:20:34
3	Bjørn Chr. Soltvedt	323	JavaScript (SpiderMonkey)	2016-02-27 02:42:01
4	Peter Menyes	338	JavaScript (SpiderMonkey)	2021-09-09 12:53:10
5	Peter Kedemo	616	JavaScript (SpiderMonkey)	2015-12-23 00:06:27
6	Hà Minh Ngọc	747	JavaScript (SpiderMonkey)	2016-08-09 05:55:47

#	User	Length	Language	Date
1	Timothy Gaede	1655	Julia	2024-04-07 07:24:46

#	User	Length	Language	Date
1	Emil Wihlander	424	Kotlin	2024-07-31 00:03:52
2	Dayan Ruben Gonzalez	481	Kotlin	2020-09-28 20:39:29
3	Mohsen Dehbashi	540	Kotlin	2021-07-08 12:48:34
4	Phường Lên	552	Kotlin	2020-04-14 21:00:08
5	Adam Rankin	840	Kotlin	2023-05-10 21:39:52
6	Troy Warmboe	1034	Kotlin	2023-04-12 03:23:54
7	Einar Kjellback	1109	Kotlin	2020-08-17 09:47:56
8	Neil Harmon	1253	Kotlin	2019-07-03 14:37:28
9	Jacob Huebner	1509	Kotlin	2022-03-05 05:05:38

#	User	Length	Language	Date
1	Samuel Jefferis	1309	OCaml	2020-11-24 00:09:03

#	User	Length	Language	Date
1	Savvas Alexandrou	1259	PHP	2019-12-23 23:44:39

#	User	Length	Language	Date
1	Andriy Zyevakov	390	Prolog	2019-05-05 12:07:41

#	User	Length	Language	Date
1	Thomas Feld	153	Python 2	2019-09-11 12:40:16
2	Johan Lyts	185	Python 2	2019-09-06 15:06:43
3	Hidden user	224	Python 2	2016-03-17 16:11:47
4	Paulo Bu	229	Python 2	2015-02-23 12:27:26
5	Jesper Öqvist	230	Python 2	2018-10-27 14:51:06
6	Lars Åström	248	Python 2	2018-07-25 17:41:02
7	Matt Bonsall	266	Python 2	2016-09-29 06:31:05
8	Cole Bite	268	Python 2	2017-05-04 02:13:43
9	Magnús Þór Benediktsson	296	Python 2	2015-05-16 00:21:48
10	Hans Rusten	307	Python 2	2015-10-26 13:17:50

#	User	Length	Language	Date
1	Benjamin Z White	125	Python 3	2023-05-19 18:28:38
2	Neill Johnston	131	Python 3	2020-04-07 18:17:30
3	Timothy Baeckelant	132	Python 3	2024-06-29 14:50:11
4	Ahmed Chamseddine	132	Python 3	2024-07-22 16:21:15
5	Thibault Raffaillac	156	Python 3	2024-07-28 12:30:25
6	David Aldenbro	159	Python 3	2025-07-02 16:08:24
7	Sander Oppen	170	Python 3	2024-11-20 21:57:35
8	Baouden Youssef	185	Python 3	2017-07-13 19:55:03
9	Henry Xia	185	Python 3	2022-07-21 04:39:47
10	Kenneth Jensen	185	Python 3	2022-11-07 12:06:45

#	User	Length	Language	Date
1	Thomas Feld	93	Ruby	2023-03-01 12:03:19
2	Kok Dith	233	Ruby	2021-08-20 08:20:44
3	Erik Rydbert	474	Ruby	2016-07-26 11:19:46

#	User	Length	Language	Date
1	Vincent Lagerros	686	Rust	2025-06-08 22:06:44
2	Dalton Cole	813	Rust	2021-12-04 02:01:12
3	Bas Dirks	840	Rust	2022-01-06 16:35:04
4	Pankajkumar Patro	863	Rust	2024-08-26 18:45:10
5	Mileta Mitrovic	949	Rust	2022-01-13 13:55:58
6	Lily Gloudemans	1045	Rust	2023-10-10 23:32:58
7	Isak Jägberg	2148	Rust	2024-10-24 13:44:20
8	Magix	2165	Rust	2022-06-11 17:10:24

Solution running time distribution