Problem BF
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Submissions	8733
Accepted submissions	5516
Submission ratio	63.16%
Authors	5005
Full solves [?]	4770
Full solve Ratio	95.30%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.24 s	Bash	2024-04-01 16:32:19

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-03-22 10:14:29
2	Mads Storm Hansen	0.02 s	C#	2015-07-18 17:19:44
3	Jonas S	0.02 s	C#	2015-08-21 00:13:02
4	Khin Nyunt	0.02 s	C#	2016-01-23 05:11:33
5	Mateusz Jendza	0.02 s	C#	2016-01-25 13:51:01
6	Jens Mossig	0.02 s	C#	2017-02-18 13:50:29
7	Michael Gulliksen	0.02 s	C#	2017-10-12 18:12:49
8	Arne Hatlen	0.02 s	C#	2017-10-12 20:44:25
9	Faisal Rahman	0.02 s	C#	2017-11-01 15:50:59
10	Johan Pettersson	0.02 s	C#	2018-02-09 14:23:38

#	User	Runtime	Language	Date
1	David Cawthon	0.03 s	Common Lisp	2020-06-21 03:05:34
2	wibi	0.03 s	Common Lisp	2020-08-25 19:56:54
3	John Dandy	0.74 s	Common Lisp	2020-02-05 08:38:34

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-05-29 16:06:36
2	Anders B. Clausen	0.09 s	F#	2021-12-07 20:50:18

#	User	Runtime	Language	Date
1	Neal McCarthy	0.02 s	Go	2018-10-27 20:02:04
2	Norbert Voelker	0.02 s	Go	2021-04-09 15:56:44
3	Andreas Gottschalk Krath	0.17 s	Go	2022-04-13 19:15:27
4	suka isnaini	0.25 s	Go	2023-12-03 11:01:28
5	Ryan Looney	0.52 s	Go	2019-11-10 08:56:52
6	Hidden user	0.55 s	Go	2021-12-15 13:55:09
7	Hidden user	0.57 s	Go	2016-09-18 17:49:48
8	Jim Ryan	0.57 s	Go	2021-01-01 17:18:31
9	Jonathan Rintala	0.58 s	Go	2019-07-27 00:18:03
10	Ben Hutchinson	0.61 s	Go	2023-10-14 00:10:33

#	User	Runtime	Language	Date
1	Mansur Ziiatdinov	0.02 s	Haskell	2023-01-16 07:43:31
2	Fumiaki Takagi	0.02 s	Haskell	2023-01-25 02:58:17
3	Isaac Arvestad	0.03 s	Haskell	2018-11-21 21:40:23
4	Shing Tak Lam	0.03 s	Haskell	2021-03-12 08:19:48
5	Tim Put	0.03 s	Haskell	2021-04-18 22:27:20
6	Hidden user	0.04 s	Haskell	2015-01-07 09:56:26
7	Intrets	0.04 s	Haskell	2019-08-19 11:28:32
8	Steinar Simonnes	0.04 s	Haskell	2024-01-16 14:20:22
9	Chris Johnson	0.05 s	Haskell	2018-04-20 04:04:12
10	Oisín Mac Fhearaí	0.05 s	Haskell	2021-01-11 22:06:24

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.08 s	Java	2021-03-17 22:52:13
2	Sven Rönnbäck	0.09 s	Java	2020-12-17 17:32:11
3	Lee Heng Sheng	0.09 s	Java	2024-04-17 12:23:24
4	Guangyi Zhou	0.09 s	Java	2024-12-29 15:14:41
5	HeapHeapArray	0.10 s	Java	2015-12-02 14:11:25
6	long phan	0.10 s	Java	2018-06-15 07:01:22
7	Sam Reinehr	0.10 s	Java	2018-08-22 06:10:20
8	Meidi Tönisson	0.11 s	Java	2012-12-09 15:04:03
9	Pål Forsberg	0.11 s	Java	2015-09-30 15:48:13
10	Micah Stairs	0.11 s	Java	2016-06-18 21:55:05

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	JavaScript (Node.js)	2024-08-04 04:31:09
2	Christoffer Karlsson	0.07 s	JavaScript (Node.js)	2018-07-21 16:32:20
3	Gurpartap Singh Bhatti	0.07 s	JavaScript (Node.js)	2019-02-19 22:29:41
4	José Lucas	0.07 s	JavaScript (Node.js)	2019-03-19 13:37:28
5	Yassin Swag	0.08 s	JavaScript (Node.js)	2023-12-01 23:22:09
6	Inge Amdal Halvorsen	0.13 s	JavaScript (Node.js)	2022-10-27 14:28:50
7	John	0.44 s	JavaScript (Node.js)	2020-07-20 11:28:31
8	Antoine Bauri	0.44 s	JavaScript (Node.js)	2021-02-18 18:40:12
9	Khin Nyunt	0.44 s	JavaScript (Node.js)	2021-10-02 10:53:46
10	MaxAbillion	0.45 s	JavaScript (Node.js)	2021-04-28 16:17:05

#	User	Runtime	Language	Date
1	Peter Kedemo	0.03 s	JavaScript (SpiderMonkey)	2015-12-22 20:52:28
2	Roel Ernens	0.03 s	JavaScript (SpiderMonkey)	2016-04-13 13:01:29
3	Steffen Stenersen	0.03 s	JavaScript (SpiderMonkey)	2017-10-12 18:32:15
4	Robin Livesey	0.03 s	JavaScript (SpiderMonkey)	2018-04-16 12:52:28
5	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-08-15 09:21:01
6	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2016-01-27 14:42:26
7	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2017-08-28 08:29:55
8	Spencer Smith	0.04 s	JavaScript (SpiderMonkey)	2018-08-25 08:11:53
9	Jeremy Loh	0.04 s	JavaScript (SpiderMonkey)	2019-01-05 05:58:13
10	Bernard Perrin	0.04 s	JavaScript (SpiderMonkey)	2019-03-11 00:33:11

#	User	Runtime	Language	Date
1	Danny Robinson	0.59 s	Julia	2023-06-22 16:06:30
2	Timothy Gaede	0.80 s	Julia	2024-03-24 03:22:24

#	User	Runtime	Language	Date
1	Albert Pala	0.22 s	Kotlin	2021-05-27 04:43:40
2	Jacob Huebner	0.23 s	Kotlin	2020-03-19 05:35:52
3	Johnny Baloney	0.23 s	Kotlin	2021-12-08 14:48:03
4	Dayan Ruben Gonzalez	0.29 s	Kotlin	2020-09-28 02:32:47
5	Siam Abd Al-Ilah	0.32 s	Kotlin	2019-03-14 10:21:08
6	Adam Rankin	0.32 s	Kotlin	2023-05-03 22:08:42
7	Neil Harmon	0.33 s	Kotlin	2019-04-03 11:21:27
8	Xevion	0.34 s	Kotlin	2022-02-12 20:10:37
9	Thanh Le	0.38 s	Kotlin	2020-09-22 21:12:35
10	Troy Warmboe	0.39 s	Kotlin	2020-02-05 20:34:47

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.01 s	OCaml	2021-01-20 14:14:14
2	Fredrik Eriksson	0.02 s	OCaml	2024-10-29 22:05:08

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Odin	2025-05-04 23:59:48

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2017-08-07 08:12:01
2	David Connolly	0.01 s	Pascal	2017-08-23 17:08:39

#	User	Runtime	Language	Date
1	Saito Ta	0.05 s	Perl	2024-04-01 12:35:57

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.03 s	PHP	2018-10-29 11:27:47
2	Andre Wahyudi	0.03 s	PHP	2022-09-20 09:53:52
3	Helbin Grégory	0.07 s	PHP	2020-02-09 11:28:49
4	Nicolas Marsceau	0.26 s	PHP	2016-08-29 20:08:06
5	Renate	0.32 s	PHP	2021-04-15 16:27:28
6	Thomas Marty	0.45 s	PHP	2021-01-25 02:04:13

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.14 s	Prolog	2023-01-19 07:54:23

#	User	Runtime	Language	Date
1	Andrei Stoica	0.03 s	Python 2	2017-11-20 23:26:39
2	Jeff Robertson	0.03 s	Python 2	2018-04-19 21:50:34
3	Arne Tobias Malkenes Ødegaard	0.04 s	Python 2	2015-10-08 19:15:58
4	Alexander Teno	0.04 s	Python 2	2016-03-10 17:05:07
5	Syafiq Al Atiiq	0.04 s	Python 2	2016-07-13 08:06:06
6	Siri Dovner	0.04 s	Python 2	2016-12-04 16:29:04
7	Trevor Masters	0.04 s	Python 2	2017-07-17 18:47:52
8	Lars Åström	0.04 s	Python 2	2018-10-06 23:45:48
9	Tim Loyen	0.04 s	Python 2	2018-11-19 12:02:42
10	Justin Su	0.04 s	Python 2	2019-10-01 23:11:19

#	User	Runtime	Language	Date
1	Martin Stensgård	0.02 s	Python 3	2015-03-22 01:10:26
2	Christian Lindeström	0.02 s	Python 3	2016-09-22 19:05:49
3	James Hamm	0.02 s	Python 3	2017-04-23 16:45:00
4	Christopher Webb	0.02 s	Python 3	2018-04-18 04:06:25
5	Samson Endale	0.02 s	Python 3	2018-10-03 21:49:30
6	Alex Wice	0.02 s	Python 3	2018-11-19 03:18:17
7	Hidden user	0.02 s	Python 3	2019-01-08 13:00:37
8	Roger Bongers	0.02 s	Python 3	2019-01-29 02:41:51
9	Fred Bloggs	0.02 s	Python 3	2019-03-14 09:14:20
10	Jack Fox	0.02 s	Python 3	2019-03-14 21:46:06

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.14 s	Racket	2025-01-30 07:18:09

#	User	Runtime	Language	Date
1	Paul Vinell	0.10 s	Ruby	2018-04-16 10:41:28
2	Macdara mac an tSionnaigh	0.10 s	Ruby	2019-09-18 12:36:08
3	Lasse Berglund	0.12 s	Ruby	2016-04-01 07:52:18
4	Régis Hanol	0.12 s	Ruby	2022-01-05 18:18:43
5	Pratham Patel	0.12 s	Ruby	2025-02-24 20:58:54
6	Thomas Feld	0.12 s	Ruby	2025-08-26 09:41:51
7	Lim Ming Yean	0.15 s	Ruby	2018-11-17 15:20:19
8	TobiasZ	0.15 s	Ruby	2022-01-29 22:29:43
9	Gerry Hall	0.16 s	Ruby	2016-03-16 16:35:01
10	Angelo Ruperti	0.17 s	Ruby	2019-09-09 11:58:45

#	User	Runtime	Language	Date
1	Anton J Olsson	0.13 s	TypeScript	2023-08-06 16:21:21

#	User	Length	Language	Date
1	Chenzhang Hu	59	Bash	04:43:11

#	User	Length	Language	Date
1	Martin Blom	203	C	2023-09-22 11:31:28
2	Jeran Salcedo	325	C	2018-03-15 11:45:31
3	MarwanEA	344	C	2020-05-02 04:00:45
4	Ehsan Shoja	348	C	2018-06-25 03:35:59
5	Hidden user	349	C	2017-02-03 07:02:01
6	Dan Rubery	355	C	2015-05-07 14:06:07
7	Johan Öhlin	363	C	2017-08-24 15:06:49
8	Matthew Weston	368	C	2021-12-18 16:37:47
9	Wesley Stephanak	378	C	2019-02-08 10:37:30
10	LexiandyK	381	C	2020-09-06 10:47:47

#	User	Length	Language	Date
1	李陆屿	403	C#	2019-02-28 12:05:16
2	Brian Scott	439	C#	2017-09-27 06:31:06
3	Esty Crow	462	C#	2022-10-04 13:55:49
4	Alireza Nasrollahzadeh	477	C#	2018-06-12 15:33:01
5	Mudasir Wazir	495	C#	2024-03-27 19:49:07
6	Anoop	500	C#	2024-03-27 04:40:34
7	Sanjana Anumula	516	C#	2024-03-31 18:30:19
8	Naga Sai	516	C#	2024-03-31 21:06:36
9	Vinay Kumar Moluguri	532	C#	2024-03-30 19:02:27
10	Peter Nordh	553	C#	2018-06-03 21:49:12

#	User	Length	Language	Date
1	Mugeon Kim	245	C++	2024-02-09 13:39:59
2	Rafif Musyaffa Indarto	246	C++	2025-03-17 06:15:51
3	son le thanh	251	C++	2020-11-27 12:56:49
4	Nenad Čaklović	252	C++	2019-03-04 10:37:30
5	Davi Bonfim Moraes Morant de Holanda	260	C++	2020-08-02 02:53:28
6	Wen Li Looi	264	C++	2015-03-21 18:12:35
7	Wei Liang Tan	265	C++	2019-05-24 04:30:12
8	Chur Zhe Yaw	265	C++	2019-06-29 10:52:36
9	Chase Hinesman	266	C++	2018-05-11 02:57:16
10	Khawla Hbiech	266	C++	2019-01-30 08:56:00

#	User	Length	Language	Date
1	wibi	405	Common Lisp	2020-08-25 19:56:54
2	John Dandy	530	Common Lisp	2020-02-05 08:38:34
3	David Cawthon	687	Common Lisp	2020-06-21 03:05:34

#	User	Length	Language	Date
1	Anders B. Clausen	320	F#	2021-12-07 20:50:18
2	Jacob Harris Cryer Kragh	758	F#	2022-05-29 16:06:36

#	User	Length	Language	Date
1	Ben Hutchinson	359	Go	2023-10-14 00:10:33
2	Hidden user	382	Go	2021-12-15 13:55:09
3	Krzysztof Gibuła	401	Go	2019-02-12 22:17:40
4	Andreas Gottschalk Krath	455	Go	2022-04-13 19:15:27
5	Ryan Looney	483	Go	2019-11-10 08:56:52
6	Bridger Howell	488	Go	2022-03-23 19:19:27
7	Sergey Jakobsen	505	Go	2022-01-02 16:20:36
8	Hidden user	517	Go	2016-09-18 17:49:48
9	Cameron Brill	530	Go	2022-02-23 20:00:14
10	Jimmy Nejtron	535	Go	2023-02-22 17:15:41

#	User	Length	Language	Date
1	Rudy Matela	156	Haskell	2024-04-03 14:12:35
2	Tim Put	258	Haskell	2021-04-18 22:24:13
3	Henrik Olsen Eide	268	Haskell	2021-09-18 14:55:28
4	Jan Hlavacek	284	Haskell	2016-11-23 00:36:32
5	Johannes Ljung Ekeroth	303	Haskell	2021-04-07 12:29:00
6	Li Jun	320	Haskell	2023-07-02 16:39:53
7	Hidden user	332	Haskell	2014-12-25 17:32:40
8	Aurélien Pepin	332	Haskell	2019-09-11 10:58:00
9	Oisín Mac Fhearaí	334	Haskell	2021-01-11 22:06:24
10	David Zacek	341	Haskell	2021-05-01 20:12:21

#	User	Length	Language	Date
1	Doug Goodman	423	Java	2017-10-23 15:55:19
2	Robert Olsthoorn	434	Java	2015-03-24 00:09:06
3	Nanda Thant Sin	440	Java	2018-05-09 03:29:27
4	Chandler Griscom	447	Java	2017-09-06 23:21:11
5	Anton Sandin	448	Java	2022-04-20 13:37:53
6	Nate Alden	456	Java	2020-01-16 05:10:40
7	Zachary Hancock	457	Java	2015-03-21 21:07:54
8	Sirisha Satish	457	Java	2023-06-09 22:24:37
9	Karzey Dema	465	Java	2021-04-20 12:48:10
10	Harrison Weigel	466	Java	2015-03-22 00:47:43

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	473	JavaScript (Node.js)	2019-02-19 22:29:41
2	Christoffer Karlsson	540	JavaScript (Node.js)	2018-07-21 16:32:20
3	Yassin Swag	547	JavaScript (Node.js)	2023-12-01 23:22:09
4	Vu Van Dung	553	JavaScript (Node.js)	2022-09-14 19:55:23
5	Antoine Bauri	565	JavaScript (Node.js)	2021-02-18 18:40:12
6	José Lucas	579	JavaScript (Node.js)	2019-03-19 13:37:28
7	Thomas Skovlund Hansen	604	JavaScript (Node.js)	2020-09-11 12:34:19
8	Hidden user	648	JavaScript (Node.js)	2023-02-09 03:33:40
9	pc	730	JavaScript (Node.js)	2021-11-19 08:57:31
10	Chris Wong	752	JavaScript (Node.js)	2021-02-01 21:57:42

#	User	Length	Language	Date
1	Evan Magill	207	JavaScript (SpiderMonkey)	2024-04-08 06:43:32
2	Jimmy Gustafsson	220	JavaScript (SpiderMonkey)	2022-08-15 09:21:01
3	Peter Menyes	244	JavaScript (SpiderMonkey)	2017-08-28 08:29:55
4	Bernard Perrin	289	JavaScript (SpiderMonkey)	2019-03-11 00:33:11
5	Fryer	334	JavaScript (SpiderMonkey)	2020-12-04 15:34:52
6	Robin Livesey	383	JavaScript (SpiderMonkey)	2018-04-16 12:52:28
7	Steffen Stenersen	400	JavaScript (SpiderMonkey)	2017-10-12 18:32:15
8	Samuel Jefferis	400	JavaScript (SpiderMonkey)	2020-10-29 18:45:55
9	Johannes Jensen	416	JavaScript (SpiderMonkey)	2020-12-03 23:27:39
10	Peter Kedemo	471	JavaScript (SpiderMonkey)	2015-12-22 20:52:28

#	User	Length	Language	Date
1	Danny Robinson	88	Julia	2023-06-22 16:06:30
2	Timothy Gaede	1295	Julia	2024-03-24 03:22:24

#	User	Length	Language	Date
1	Magnus Wass	341	Kotlin	2020-12-11 02:15:37
2	Aldinata	383	Kotlin	2020-12-02 20:54:30
3	Siam Abd Al-Ilah	408	Kotlin	2019-03-14 10:21:08
4	Troy Warmboe	467	Kotlin	2020-02-05 20:34:47
5	Xevion	483	Kotlin	2022-02-12 20:10:37
6	Adam Rankin	500	Kotlin	2023-05-03 22:08:42
7	Dayan Ruben Gonzalez	527	Kotlin	2020-09-28 02:32:47
8	Thanh Le	561	Kotlin	2020-09-22 21:12:35
9	Jacob Huebner	611	Kotlin	2020-03-19 05:35:52
10	Neil Harmon	612	Kotlin	2019-04-03 11:21:27

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	355	OCaml	2021-01-20 14:14:14
2	Fredrik Eriksson	583	OCaml	2024-10-29 22:05:08

#	User	Length	Language	Date
1	Hidden user	757	Odin	2025-05-04 23:59:48

#	User	Length	Language	Date
1	David Connolly	419	Pascal	2017-08-23 17:08:39
2	Ingemar Ragnemalm	468	Pascal	2017-08-07 08:12:01

#	User	Length	Language	Date
1	Saito Ta	168	Perl	2024-04-01 12:35:57

#	User	Length	Language	Date
1	Renate	439	PHP	2021-04-15 16:27:28
2	Thomas Marty	544	PHP	2021-01-25 02:04:13
3	Emil Riis Hansen	609	PHP	2018-10-29 11:27:47
4	Nicolas Marsceau	822	PHP	2016-08-29 20:08:06
5	Helbin Grégory	893	PHP	2020-02-09 11:28:49
6	Andre Wahyudi	1045	PHP	2022-09-20 09:53:52

#	User	Length	Language	Date
1	Hakan Kjellerstrand	464	Prolog	2023-02-16 18:14:03

#	User	Length	Language	Date
1	Thomas Feld	142	Python 2	2019-08-19 15:04:16
2	Justin Su	163	Python 2	2019-10-01 23:12:16
3	grcd	184	Python 2	2019-06-28 19:40:01
4	Lars Åström	185	Python 2	2018-10-06 23:45:48
5	Jeff Robertson	199	Python 2	2018-04-19 21:50:34
6	Muzakhir Amanzholov	200	Python 2	2017-02-09 01:49:38
7	Izzati Al Vandiar	208	Python 2	2015-11-01 15:42:21
8	Çağdaş Öztekin	209	Python 2	2017-09-03 22:59:10
9	Andreas Björklund	210	Python 2	2020-03-06 19:09:21
10	Hasan Ramezani	218	Python 2	2016-07-08 17:16:46

#	User	Length	Language	Date
1	Kevin Gomez	77	Python 3	2024-11-21 23:22:11
2	Clement Oh	84	Python 3	2023-05-30 07:57:10
3	Lars Pettersson	99	Python 3	2022-12-25 01:50:45
4	Alexandre Charland	101	Python 3	2024-03-14 13:35:21
5	Hidden user	105	Python 3	2025-01-05 12:42:46
6	Tai Tze Kin	109	Python 3	2024-05-01 16:18:06
7	Eduardo Vicente Petry	123	Python 3	2022-12-29 11:39:47
8	Sto Cazzo	124	Python 3	2025-07-09 21:58:02
9	Błażej Dariusz Roszkowski	127	Python 3	2022-11-30 17:55:03
10	Hidden user	131	Python 3	2023-07-30 12:29:55

#	User	Length	Language	Date
1	Jinwoo Lee	372	Racket	2025-01-30 07:18:09

#	User	Length	Language	Date
1	Chenzhang Hu	55	Ruby	2024-11-29 10:04:35
2	Thomas Feld	56	Ruby	2025-08-26 09:50:55
3	Régis Hanol	112	Ruby	2022-01-05 18:18:43
4	Alexander Bilde Pedersen	133	Ruby	2023-04-22 22:34:15
5	Casper Christensen	194	Ruby	2016-03-15 13:06:30
6	Daniel Harder	194	Ruby	2018-10-29 01:20:30
7	Frederik Petersen	214	Ruby	2024-04-02 15:12:14
8	Paul Vinell	224	Ruby	2018-04-16 10:41:28
9	Lasse Berglund	250	Ruby	2016-04-01 07:52:18
10	Macdara mac an tSionnaigh	265	Ruby	2019-09-18 12:36:08

#	User	Length	Language	Date
1	David Aldenbro	227	Rust	2023-10-21 14:39:44
2	Vincent Lagerros	271	Rust	2024-12-04 17:24:57
3	Hovig Manjikian	496	Rust	2020-01-04 14:16:51
4	Henrik Melsom	594	Rust	2019-07-10 20:06:34
5	ersode	594	Rust	2020-09-06 01:01:18
6	Johan Larsson	597	Rust	2021-01-01 20:19:38
7	Chaoyi Yin	615	Rust	2019-03-19 16:08:00
8	Simon Grünwald	648	Rust	2023-07-11 13:51:04
9	Artur Khuziakhmetov	655	Rust	2022-08-04 10:17:37
10	Raphaël Gauthier	659	Rust	2021-01-25 15:53:14

#	User	Length	Language	Date
1	Anton J Olsson	668	TypeScript	2023-08-06 16:21:21

Solution running time distribution