Problem F
Roll Call — Problem Statistics

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Submissions	3885
Accepted submissions	1390
Submission ratio	35.78%
Authors	1295
Accepted authors	1124
Author ratio	86.80%

#	User	Runtime	Language	Date
1	Nasser Miah	0.00 s	C	2017-05-28 08:10:41
2	Hidden user	0.00 s	C	2017-11-18 22:07:22
3	Sambit Palit	0.00 s	C	2020-10-01 18:41:21
4	MD FURKANUL ISLAM	0.00 s	C	2022-07-21 02:05:47
5	super sale	0.00 s	C	2022-07-21 09:31:19
6	Sami Al Chalati	0.00 s	C	2024-11-01 20:27:19
7	Mjed Ashraf	0.00 s	C	2022-07-21 09:32:23
8	Hidden user	0.00 s	C	2025-03-28 22:48:25

#	User	Runtime	Language	Date
1	Jay Hal	0.02 s	C#	2016-02-14 04:06:42
2	Yuwono Bangun Nagoro	0.02 s	C#	2016-02-21 09:19:37
3	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-05-06 18:19:41
4	Ugnius Skučas	0.02 s	C#	2016-10-16 00:45:27
5	Stephanie Furlan	0.02 s	C#	2016-11-29 10:22:26
6	Przemysław Curzytek	0.02 s	C#	2016-12-07 04:48:44
7	Valeria Cabras	0.02 s	C#	2017-12-22 09:47:41
8	Ron Harper	0.02 s	C#	2018-03-07 20:23:54
9	Faisal Rahman	0.02 s	C#	2018-05-23 06:35:13
10	Soujatya Sanyal	0.02 s	C#	2019-02-09 20:53:00

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-05-18 16:32:26

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-01-29 15:40:27

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-07-12 23:24:36

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2016-02-15 21:32:29
2	Christian Leipe	0.00 s	Haskell	2016-03-01 15:47:01
3	Johan Meier	0.00 s	Haskell	2016-12-19 17:11:12
4	Blake Hyde	0.00 s	Haskell	2017-08-22 03:59:08
5	Brent Yorgey	0.00 s	Haskell	2017-11-10 20:58:31
6	Jan Hrček	0.00 s	Haskell	2021-04-03 09:41:42
7	Hidden user	0.00 s	Haskell	2022-12-28 13:30:41
8	Steinar Simonnes	0.00 s	Haskell	2024-06-09 15:44:57
9	Hidden user	0.01 s	Haskell	2019-11-03 12:29:52

#	User	Runtime	Language	Date
1	Terrence Park	0.06 s	Java	2016-02-10 21:17:51
2	Michael Sullivan	0.06 s	Java	2016-02-13 08:09:51
3	Hidden user	0.06 s	Java	2016-02-17 14:17:04
4	Michael Ballmann	0.06 s	Java	2016-02-26 19:50:53
5	Nick Wu	0.06 s	Java	2016-02-29 00:28:07
6	Love Engman	0.06 s	Java	2016-04-15 15:40:19
7	Omar Brome	0.06 s	Java	2016-04-29 17:33:01
8	Lee Wei Hong	0.06 s	Java	2016-05-19 09:02:31
9	Hidden user	0.06 s	Java	2016-05-20 20:40:57
10	Øyvind Stenhaug	0.06 s	Java	2016-05-29 17:41:03

#	User	Runtime	Language	Date
1	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-25 10:47:20
2	Casey Oyugi	0.05 s	JavaScript (Node.js)	2025-05-28 19:34:45
3	Oscar Stensson	0.06 s	JavaScript (Node.js)	2024-03-19 18:22:39
4	Filip Ahlander	0.08 s	JavaScript (Node.js)	2022-08-24 23:25:04
5	Simon Hellner	0.08 s	JavaScript (Node.js)	2022-04-06 11:15:12
6	Mikael Mohlin	0.08 s	JavaScript (Node.js)	2022-06-15 15:19:54
7	Kevin Engström	0.09 s	JavaScript (Node.js)	2022-08-25 14:23:45
8	Emma Högberg	0.09 s	JavaScript (Node.js)	2022-06-19 17:30:23
9	Andela Rajic	0.09 s	JavaScript (Node.js)	2022-04-30 18:46:08
10	Fezile Mntanji	0.10 s	JavaScript (Node.js)	2023-05-17 02:13:41

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-02-20 23:02:41
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-27 04:27:57
3	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-10-06 18:13:33
4	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-28 13:37:29
5	Haytem Haider	0.03 s	JavaScript (SpiderMonkey)	2021-04-26 11:49:36

#	User	Runtime	Language	Date
1	Timothy Gaede	0.73 s	Julia	2024-04-20 05:43:18

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.21 s	Kotlin	2020-10-04 03:48:53
2	Zaw Myat	0.21 s	Kotlin	2024-01-25 19:37:34
3	Neil Harmon	0.22 s	Kotlin	2019-07-29 16:13:45
4	Adam Rankin	0.22 s	Kotlin	2023-05-07 18:55:23
5	Hidden user	0.22 s	Kotlin	2023-10-19 14:05:48
6	Taylor South	0.25 s	Kotlin	2024-12-17 01:30:41

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2018-04-03 22:41:43
2	Sofia Söderberg	0.01 s	PHP	2022-02-21 22:32:35

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2016-09-07 11:52:36

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2016-01-16 10:31:31
2	Denis Godunov	0.03 s	Python 2	2016-03-07 18:18:28
3	Neal Zane	0.03 s	Python 2	2016-03-08 03:42:10
4	Scott Handelman	0.03 s	Python 2	2016-04-21 19:49:44
5	Lars Tveito	0.03 s	Python 2	2016-05-20 03:02:38
6	Erik Sillén	0.03 s	Python 2	2016-05-23 16:42:19
7	Hasan Ramezani	0.03 s	Python 2	2016-07-21 11:17:58
8	Daniel Strizhevsky	0.03 s	Python 2	2016-09-17 01:01:59
9	Marcus Johansson	0.03 s	Python 2	2016-09-26 22:41:35
10	Austin Balarin	0.03 s	Python 2	2016-11-26 22:24:35

#	User	Runtime	Language	Date
1	William Williamson	0.02 s	Python 3	2016-02-26 20:24:55
2	Andrew Kronser	0.02 s	Python 3	2016-02-26 23:27:05
3	Ellis Madagan	0.02 s	Python 3	2016-03-06 22:44:22
4	Lea Pecnik	0.02 s	Python 3	2016-04-18 20:32:07
5	Wayne	0.02 s	Python 3	2016-04-25 12:46:30
6	Martin Stensgård	0.02 s	Python 3	2016-04-28 09:05:31
7	Christian Lindeström	0.02 s	Python 3	2016-10-12 18:13:24
8	Tom Biju	0.02 s	Python 3	2016-11-20 07:37:05
9	Santosh Paudel	0.02 s	Python 3	2016-11-27 07:52:04
10	Ram Basnet	0.02 s	Python 3	2016-12-20 06:56:13

#	User	Runtime	Language	Date
1	Lasse Berglund	0.03 s	Ruby	2016-04-21 07:23:41
2	Erik Rydbert	0.03 s	Ruby	2016-07-27 05:32:22
3	Hidden user	0.04 s	Ruby	2019-11-27 17:49:01
4	Clement Oh	0.07 s	Ruby	2024-01-06 09:09:36

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2020-06-17 14:57:39
2	David Rasch	0.00 s	Rust	2021-02-01 17:35:14
3	Bas Dirks	0.00 s	Rust	2022-01-13 10:01:42
4	Eric Pinter	0.00 s	Rust	2022-02-07 04:18:58
5	Vincent Lagerros	0.00 s	Rust	2025-02-16 19:33:09

#	User	Length	Language	Date
1	MD FURKANUL ISLAM	975	C	2022-07-21 02:05:47
2	super sale	1032	C	2022-07-21 09:31:19
3	Mjed Ashraf	1032	C	2022-07-21 09:32:23
4	Sami Al Chalati	1242	C	2024-11-01 20:27:19
5	Hidden user	1402	C	2017-11-18 22:07:22
6	Hidden user	1513	C	2025-03-28 22:48:25
7	Sambit Palit	4402	C	2020-10-01 18:41:21
8	Nasser Miah	6621	C	2017-05-28 08:10:41

#	User	Length	Language	Date
1	Andreas Halen	868	C#	2022-05-02 00:01:38
2	Michael Damsgaard	871	C#	2025-01-04 08:29:55
3	Rany Yasso	1016	C#	2023-04-13 01:25:55
4	Daniel Josefsson	1038	C#	2023-03-17 14:00:59
5	Meena Singh	1044	C#	2022-04-07 00:56:22
6	Göran Andersson	1055	C#	2022-06-14 17:49:35
7	Ali Aliev	1082	C#	2022-01-09 11:17:02
8	Martin Berntson	1083	C#	2022-04-12 13:25:15
9	Sekamo Mohajane	1084	C#	2023-07-26 06:56:18
10	Jesper Lundin	1093	C#	2021-09-29 17:43:35

#	User	Length	Language	Date
1	Antonio Molina Lovett	330	C++	2016-08-07 10:35:47
2	Naufal Aziz	382	C++	2017-01-27 08:29:26
3	Yeung Man Tsung	382	C++	2022-11-18 14:21:45
4	Ritchie Goldwin	391	C++	2019-06-26 13:53:23
5	Zane Yu	400	C++	2019-01-09 13:30:00
6	Mohsen Dehbashi	408	C++	2022-03-01 07:01:27
7	Markus Mathiasen	415	C++	2021-10-05 21:39:05
8	Hyunjun Lee	418	C++	2022-11-11 02:37:32
9	Tan Teong Seng	434	C++	2021-03-27 16:53:04
10	David Chik	443	C++	2020-12-07 09:21:54

#	User	Length	Language	Date
1	David Cawthon	949	Common Lisp	2019-05-18 16:32:26

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	991	F#	2023-01-29 15:40:27

#	User	Length	Language	Date
1	Norbert Voelker	760	Go	2021-07-12 23:24:36

#	User	Length	Language	Date
1	Hidden user	389	Haskell	2022-12-28 13:36:14
2	Patrik Lilja	432	Haskell	2016-02-15 21:32:29
3	Brent Yorgey	772	Haskell	2017-11-10 20:58:31
4	Blake Hyde	873	Haskell	2017-08-22 03:59:08
5	Jan Hrček	894	Haskell	2021-04-03 09:41:42
6	Johan Meier	912	Haskell	2016-12-19 17:11:12
7	Steinar Simonnes	912	Haskell	2024-06-09 15:44:57
8	Christian Leipe	1146	Haskell	2016-03-01 15:47:01
9	Hidden user	8428	Haskell	2019-11-03 12:29:52

#	User	Length	Language	Date
1	Hidden user	636	Java	2017-08-20 14:46:38
2	Hidden user	779	Java	2022-04-08 10:29:29
3	Hen Jeh	803	Java	2022-04-08 10:23:05
4	Stela Palii	818	Java	2017-11-18 09:53:54
5	Effat Mahmudenti	858	Java	2022-03-24 12:41:18
6	Doug Goodman	900	Java	2018-04-22 21:39:31
7	Christian Ramus	928	Java	2023-07-03 14:12:02
8	Zach Tschetter	928	Java	2021-11-03 03:47:50
9	Eric Leow Yu Quan	932	Java	2020-12-18 10:37:44
10	Mohammed Abdu	934	Java	2022-04-24 23:18:55

#	User	Length	Language	Date
1	Kevin Engström	431	JavaScript (Node.js)	2022-08-25 14:33:17
2	Filip Ahlander	640	JavaScript (Node.js)	2022-08-24 23:34:01
3	Christian Forsberg	656	JavaScript (Node.js)	2021-04-18 10:09:02
4	Hovhannes Kantuni	790	JavaScript (Node.js)	2020-08-18 18:22:30
5	Howard Tin Chi Chan	808	JavaScript (Node.js)	2021-02-04 21:13:29
6	Oscar Stensson	879	JavaScript (Node.js)	2024-03-19 18:22:39
7	Sander Hellesø	918	JavaScript (Node.js)	2019-04-25 10:49:37
8	Emil Clemedson	941	JavaScript (Node.js)	2021-08-27 16:53:46
9	Nina Rivera	1087	JavaScript (Node.js)	2022-03-11 17:25:42
10	Fezile Mntanji	1279	JavaScript (Node.js)	2023-05-17 02:13:41

#	User	Length	Language	Date
1	Christian Cederquist	282	JavaScript (SpiderMonkey)	2023-03-28 13:37:29
2	Bjørn Chr. Soltvedt	425	JavaScript (SpiderMonkey)	2016-02-27 04:27:57
3	Peter Kedemo	536	JavaScript (SpiderMonkey)	2016-02-20 23:02:41
4	Haytem Haider	902	JavaScript (SpiderMonkey)	2021-04-26 11:49:36
5	Michael Laszlo	1054	JavaScript (SpiderMonkey)	2016-10-06 18:13:33

#	User	Length	Language	Date
1	Timothy Gaede	674	Julia	2024-04-20 05:43:18

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	686	Kotlin	2020-10-04 03:48:53
2	Zaw Myat	750	Kotlin	2024-01-25 19:37:34
3	Adam Rankin	900	Kotlin	2023-05-07 18:55:23
4	Hidden user	1105	Kotlin	2023-10-19 14:05:48
5	Neil Harmon	1795	Kotlin	2019-07-29 16:13:45
6	Taylor South	2655	Kotlin	2024-12-17 01:30:41

#	User	Length	Language	Date
1	Sofia Söderberg	820	PHP	2022-02-21 18:16:46
2	Susanne Ragnemalm	1694	PHP	2018-04-03 22:41:43

#	User	Length	Language	Date
1	Andriy Zyevakov	2256	Prolog	2016-09-07 11:52:36

#	User	Length	Language	Date
1	Thomas Feld	195	Python 2	2019-09-17 14:49:45
2	Neal Zane	242	Python 2	2016-03-08 03:42:10
3	Lars Tveito	251	Python 2	2016-05-20 03:02:38
4	Hidden user	260	Python 2	2017-10-15 20:29:32
5	Andreas Eisele	268	Python 2	2018-09-07 10:20:28
6	Andreas Björklund	295	Python 2	2020-03-12 21:13:49
7	Scott Handelman	299	Python 2	2016-04-21 19:49:44
8	Lars Åström	306	Python 2	2019-10-10 17:25:54
9	Jesper Öqvist	345	Python 2	2018-10-27 21:55:34
10	Paul Leung	349	Python 2	2017-09-26 17:59:17

#	User	Length	Language	Date
1	Michael Goldwasser	160	Python 3	2025-08-28 06:50:57
2	Ahmed Chamseddine	167	Python 3	2025-01-22 23:49:35
3	Hao Ye	183	Python 3	2024-04-07 03:04:05
4	Benjamin Lienard	183	Python 3	2024-04-07 03:06:27
5	Tai Tze Kin	191	Python 3	2024-05-04 10:39:16
6	Farzam Abrishami	194	Python 3	2024-02-06 20:44:58
7	Karra Caye Santillan	199	Python 3	2025-08-06 03:19:13
8	Oskar Haarklou Veileborg	224	Python 3	2020-02-11 16:08:23
9	Kasra Ghodsi	228	Python 3	2018-05-03 10:42:11
10	Henry	231	Python 3	2020-06-01 09:53:55

#	User	Length	Language	Date
1	Clement Oh	186	Ruby	2024-01-06 09:09:36
2	Hidden user	253	Ruby	2019-11-27 17:49:01
3	Erik Rydbert	412	Ruby	2016-07-27 05:32:22
4	Lasse Berglund	530	Ruby	2016-04-21 07:23:41

#	User	Length	Language	Date
1	Vincent Lagerros	642	Rust	2025-02-16 19:33:09
2	Bas Dirks	958	Rust	2022-01-13 10:01:42
3	David Rasch	997	Rust	2021-02-01 17:35:14
4	Eric Pinter	1477	Rust	2022-02-07 04:18:58
5	Isak Jägberg	2074	Rust	2020-06-17 14:57:39

Solution running time distribution