Problem A
Quite a Problem — Problem Statistics

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Submissions	6431
Accepted submissions	2649
Submission ratio	41.19%
Authors	2418
Accepted authors	2203
Author ratio	91.11%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-09-09 17:39:14
2	Thomas Feld	0.01 s	Bash	2023-09-25 14:08:18
3	Danny Robinson	0.01 s	Bash	2024-08-29 19:19:07
4	Frans Meulenbroeks	0.01 s	Bash	2024-10-06 17:22:50

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-02-03 19:01:49
2	Tommy Ivarsson	0.02 s	C#	2015-04-20 23:57:48
3	Mads Storm Hansen	0.02 s	C#	2015-07-17 21:06:59
4	Niklas Huss	0.02 s	C#	2015-10-17 18:59:57
5	Duelene Olson	0.02 s	C#	2016-07-08 15:28:36
6	Robert Low	0.02 s	C#	2016-07-18 16:39:05
7	Klas af Geijerstam	0.02 s	C#	2016-12-14 11:12:42
8	Khin Nyunt	0.02 s	C#	2017-01-06 14:54:31
9	Faheem Ramzan	0.02 s	C#	2017-02-22 13:46:05
10	Rasmus Brants	0.02 s	C#	2017-03-26 12:57:50

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-12-16 19:35:29

#	User	Runtime	Language	Date
1	Sean Hagen	0.00 s	Go	2024-04-13 04:53:57
2	Lucas Simao	0.02 s	Go	2018-12-18 01:57:25
3	Hidden user	0.02 s	Go	2019-11-24 11:26:28
4	Krzysztof Gibuła	0.02 s	Go	2021-05-09 21:08:40
5	Norbert Voelker	0.02 s	Go	2021-05-16 00:05:50
6	Ola Dahl	0.02 s	Go	2022-11-04 22:13:53
7	Jim Ryan	0.08 s	Go	2021-01-01 18:08:28
8	Evelyn May	0.09 s	Go	2020-12-06 07:24:56

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2014-12-23 15:17:44
2	Md Akif Chowdhury	0.00 s	Haskell	2023-07-12 10:19:58
3	Hidden user	0.01 s	Haskell	2014-12-15 14:30:33
4	Lars Tveito	0.01 s	Haskell	2015-06-08 03:08:02
5	Christian Leipe	0.01 s	Haskell	2015-12-04 09:40:55
6	Patrik Lilja	0.01 s	Haskell	2016-02-11 22:51:06
7	Jan Hlavacek	0.01 s	Haskell	2016-11-02 01:50:46
8	Martin Jackson	0.01 s	Haskell	2017-05-06 21:17:51
9	Brent Yorgey	0.01 s	Haskell	2017-10-16 05:10:02
10	Krisztián Köves	0.01 s	Haskell	2018-03-05 08:22:49

#	User	Runtime	Language	Date
1	Liam Keliher	0.06 s	Java	2016-08-13 20:33:04
2	Marco Vincenzo Karaan	0.06 s	Java	2016-10-01 08:01:23
3	Martijn Muijsers	0.06 s	Java	2016-10-01 15:54:14
4	José Vander Meulen	0.06 s	Java	2018-11-14 20:40:48
5	Emil Bak-Møller	0.06 s	Java	2021-03-02 13:01:53
6	Taras Romanyuk	0.06 s	Java	2024-10-24 00:12:16
7	Stephen Joe	0.07 s	Java	2013-10-05 04:47:06
8	Hidden user	0.07 s	Java	2014-03-25 02:05:29
9	Dennis Ang	0.07 s	Java	2015-09-26 11:25:05
10	Pål Forsberg	0.07 s	Java	2015-10-08 16:11:12

#	User	Runtime	Language	Date
1	Jordan H	0.05 s	JavaScript (Node.js)	2023-10-10 22:49:15
2	Jonathan Urias	0.07 s	JavaScript (Node.js)	2025-01-09 19:27:51
3	Nicklas Østerberg	0.07 s	JavaScript (Node.js)	2025-04-08 11:46:33
4	Karim Dridi	0.41 s	JavaScript (Node.js)	2022-01-14 01:35:01
5	Teo Diaz	0.42 s	JavaScript (Node.js)	2021-04-08 10:20:34
6	Addie Meders	0.43 s	JavaScript (Node.js)	2020-02-25 03:40:48
7	Caleb Spiess	0.43 s	JavaScript (Node.js)	2020-02-25 21:40:48
8	Mandala Binsar	0.43 s	JavaScript (Node.js)	2020-12-19 03:07:51
9	Ryan Letto	0.43 s	JavaScript (Node.js)	2021-02-21 01:01:11

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-04 01:40:16
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-14 15:07:33
3	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-17 16:31:54
4	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2016-11-20 17:14:52
5	Gabor Varga	0.01 s	JavaScript (SpiderMonkey)	2018-04-03 11:51:11
6	Sardar Batofi	0.01 s	JavaScript (SpiderMonkey)	2018-04-10 18:10:56
7	Omar Al-Khashab	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 06:26:19
8	Goran Sherko Jawdat	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 21:54:21
9	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-02 22:02:02
10	Máté Kosik	0.03 s	JavaScript (SpiderMonkey)	2018-12-20 12:24:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2024-03-26 08:42:57

#	User	Runtime	Language	Date
1	Jacob Huebner	0.15 s	Kotlin	2020-04-27 05:46:19
2	Daniel Taco Törbacka	0.16 s	Kotlin	2018-02-27 20:14:58
3	Nicholas Johnson	0.16 s	Kotlin	2021-10-29 00:07:15
4	Neil Harmon	0.19 s	Kotlin	2019-05-06 11:21:59
5	Hidden user	0.20 s	Kotlin	2023-06-09 09:50:54
6	Hidden user	0.22 s	Kotlin	2017-11-18 08:08:48
7	Adam Rankin	0.22 s	Kotlin	2023-05-03 19:20:37
8	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-09-27 22:17:51
9	Jahid Hasan Imon	0.26 s	Kotlin	2020-06-03 21:36:11
10	arda atci	0.27 s	Kotlin	2020-07-07 18:24:03

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.01 s	OCaml	2022-05-07 12:37:08

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-16 13:57:07

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2018-02-28 18:28:18
2	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-11-01 18:23:13
3	Connor Billings	0.01 s	PHP	2020-07-17 23:48:34

#	User	Runtime	Language	Date
1	Andrei Stoica	0.02 s	Python 2	2017-12-26 00:38:54
2	Egill Sveinbjörnsson	0.03 s	Python 2	2014-11-27 12:12:18
3	Ingibergur Sindri Stefnisson	0.03 s	Python 2	2014-11-30 19:21:52
4	Tore Norderud	0.03 s	Python 2	2014-12-21 14:33:27
5	Paulo Bu	0.03 s	Python 2	2015-02-02 14:07:43
6	Daniel Palmqvist	0.03 s	Python 2	2015-02-15 15:33:26
7	Kristmundur Agust	0.03 s	Python 2	2015-03-04 22:29:40
8	Christofer Ohlsson	0.03 s	Python 2	2015-04-04 22:11:44
9	Erik Odenman	0.03 s	Python 2	2015-05-10 21:38:30
10	Emma Nimstad	0.03 s	Python 2	2015-06-28 15:47:58

#	User	Runtime	Language	Date
1	Einar Ágúst Árnason	0.02 s	Python 3	2014-11-26 15:56:01
2	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	Python 3	2015-03-03 13:29:51
3	Martin Stensgård	0.02 s	Python 3	2015-03-15 00:44:19
4	Brian Harrington	0.02 s	Python 3	2015-04-19 04:43:23
5	James Elías Sigurðarson	0.02 s	Python 3	2015-05-31 21:30:31
6	Johannes Agestam	0.02 s	Python 3	2015-06-15 19:04:02
7	Fredrik Carlsen	0.02 s	Python 3	2015-07-11 12:45:44
8	Arnar Leifsson	0.02 s	Python 3	2015-07-23 00:32:17
9	Baldur Tryggvason	0.02 s	Python 3	2015-08-01 13:08:50
10	Matthew Rogers	0.02 s	Python 3	2015-10-09 04:06:08

#	User	Runtime	Language	Date
1	Chris Weston	0.03 s	Ruby	2016-02-18 23:09:13
2	Casper Christensen	0.03 s	Ruby	2016-03-01 15:01:23
3	Gerry Hall	0.03 s	Ruby	2016-03-25 05:46:46
4	Lasse Berglund	0.03 s	Ruby	2016-04-20 14:33:14
5	Kellen Watt	0.03 s	Ruby	2016-07-06 02:41:59
6	Erik Rydbert	0.03 s	Ruby	2016-07-13 12:16:33
7	Sebastian Craig	0.03 s	Ruby	2016-10-20 02:24:58
8	Savvas Alexandrou	0.05 s	Ruby	2019-01-12 12:22:00
9	Eric Holmi	0.05 s	Ruby	2020-05-06 14:26:36
10	Kok Dith	0.05 s	Ruby	2021-08-28 16:02:02

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 09:14:32
2	Thomas Feld	10	Bash	2023-09-26 10:35:50
3	Danny Robinson	47	Bash	2024-08-29 19:19:07
4	Frans Meulenbroeks	56	Bash	2024-10-06 17:22:50

#	User	Length	Language	Date
1	Arnav Sastry	250	C	2018-01-08 20:10:08
2	Thibault Raffaillac	255	C	2017-02-28 21:13:08
3	Mohammed Jaouhari	260	C	2018-09-04 01:05:40
4	Reine Reynoso	300	C	2016-05-02 04:28:45
5	Minh Tuấn	350	C	2016-03-05 06:32:55
6	Nguyễn Hoàng	378	C	2016-03-05 18:31:03
7	Nhật Anh Võ Nguyễn	380	C	2016-03-03 07:18:21
8	Đào Thanh Duy	389	C	2016-03-02 04:54:39
9	Mikael K Eriksson	398	C	2021-04-08 16:17:40

#	User	Length	Language	Date
1	Desireé af Geijerstam	213	C#	2018-01-17 22:29:19
2	Anthony Ye	213	C#	2023-04-02 17:47:57
3	Esty Crow	233	C#	2023-03-30 21:57:49
4	Kunwei Zhang	263	C#	2018-06-15 15:30:09
5	Matilda V Mjd	264	C#	2018-09-17 17:20:19
6	Göran Andersson	280	C#	2022-05-21 15:07:31
7	Klas af Geijerstam	312	C#	2016-12-14 11:12:42
8	Gustav Junedahl	339	C#	2022-04-25 22:23:14
9	Rasmus Brants	353	C#	2017-08-21 13:35:44

#	User	Length	Language	Date
1	Tyler Fernando	171	C++	2022-11-03 14:05:13
2	Antonio Molina Lovett	200	C++	2016-08-07 10:26:55
3	Markus Mathiasen	210	C++	2022-10-09 08:23:25
4	Adrian Vidal	223	C++	2015-08-01 07:49:15
5	Hidden user	227	C++	2020-03-01 00:32:54
6	Alexander Skidanov	234	C++	2025-01-27 04:55:31
7	Herman Karlsson	235	C++	2015-04-01 22:36:14
8	traxex	245	C++	2021-12-05 19:43:17
9	Yeung Man Tsung	246	C++	2022-11-27 14:37:12
10	Juliet Persia	248	C++	2019-07-30 10:32:54

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	517	F#	2022-12-16 19:35:29

#	User	Length	Language	Date
1	Lucas Simao	266	Go	2018-12-18 01:57:25
2	Evelyn May	297	Go	2020-12-06 07:24:56
3	Hidden user	298	Go	2019-11-24 11:26:28
4	Sean Hagen	443	Go	2024-04-13 04:53:57
5	Ola Dahl	550	Go	2022-11-04 22:13:53
6	Jim Ryan	597	Go	2021-01-01 18:08:28
7	Krzysztof Gibuła	840	Go	2021-05-09 21:08:40
8	Norbert Voelker	859	Go	2021-05-16 00:05:50

#	User	Length	Language	Date
1	Zach Tschetter	157	Haskell	2021-04-14 15:35:27
2	Matthew Johnson	214	Haskell	2018-03-09 04:30:06
3	Aurélien Pepin	222	Haskell	2019-08-16 19:41:47
4	Hidden user	230	Haskell	2019-08-25 10:54:17
5	Martin Jackson	232	Haskell	2017-05-06 21:17:51
6	Steinar Simonnes	239	Haskell	2023-11-04 16:32:01
7	Jan Hlavacek	240	Haskell	2016-11-02 01:50:46
8	Johannes Ljung Ekeroth	252	Haskell	2021-01-01 18:37:37
9	Hidden user	256	Haskell	2014-12-15 14:30:33
10	Håkon Flatval	261	Haskell	2018-09-03 18:06:28

#	User	Length	Language	Date
1	Manshant Singh Kohli	238	Java	2016-03-05 07:38:16
2	Jason Liu	249	Java	2023-05-05 14:50:41
3	William Fiset	256	Java	2016-01-30 18:32:11
4	Uttam Thakore	274	Java	2017-02-24 03:17:30
5	Hidden user	274	Java	2020-03-26 20:27:59
6	Lucas Burson	288	Java	2016-07-26 04:05:31
7	Khin Nyunt	288	Java	2017-11-11 06:07:33
8	Theis Stensgaard	290	Java	2021-01-27 17:16:04
9	Eric Penguin	293	Java	2024-02-03 01:49:48
10	Ralph Calixte	293	Java	2020-03-26 20:52:02

#	User	Length	Language	Date
1	Karim Dridi	205	JavaScript (Node.js)	2022-01-14 01:35:01
2	Ryan Letto	263	JavaScript (Node.js)	2021-02-21 01:01:11
3	Khin Nyunt	411	JavaScript (Node.js)	2021-11-28 14:21:41
4	Teo Diaz	414	JavaScript (Node.js)	2021-04-08 10:20:34
5	Jordan H	431	JavaScript (Node.js)	2023-10-10 22:49:15
6	Mandala Binsar	625	JavaScript (Node.js)	2020-12-19 03:07:51
7	Caleb Spiess	676	JavaScript (Node.js)	2020-02-25 21:40:48
8	Jonathan Urias	705	JavaScript (Node.js)	2025-01-09 19:27:51
9	Addie Meders	766	JavaScript (Node.js)	2020-02-25 03:40:48

#	User	Length	Language	Date
1	Johannes Jensen	78	JavaScript (SpiderMonkey)	2016-03-17 16:31:54
2	Jimmy Gustafsson	96	JavaScript (SpiderMonkey)	2024-08-02 22:02:02
3	Peter Kedemo	134	JavaScript (SpiderMonkey)	2016-01-04 01:40:16
4	Christian Cederquist	139	JavaScript (SpiderMonkey)	2023-02-11 01:14:28
5	Bjørn Chr. Soltvedt	175	JavaScript (SpiderMonkey)	2016-02-14 15:07:33
6	Gabor Varga	200	JavaScript (SpiderMonkey)	2018-04-03 11:51:11
7	Omar Al-Khashab	223	JavaScript (SpiderMonkey)	2018-04-25 06:26:19
8	Sardar Batofi	231	JavaScript (SpiderMonkey)	2018-04-10 18:12:14
9	Ionel Hindorean	247	JavaScript (SpiderMonkey)	2016-11-20 17:14:52
10	Goran Sherko Jawdat	247	JavaScript (SpiderMonkey)	2018-04-25 21:54:21

#	User	Length	Language	Date
1	Timothy Gaede	221	Julia	2024-03-26 08:42:57

#	User	Length	Language	Date
1	Hidden user	150	Kotlin	2023-06-09 09:34:59
2	Phường Lên	183	Kotlin	2020-04-20 04:23:16
3	Dayan Ruben Gonzalez	233	Kotlin	2020-09-27 22:17:51
4	Jahid Hasan Imon	233	Kotlin	2020-06-03 21:37:40
5	Einar Kjellback	237	Kotlin	2020-01-19 20:37:43
6	Adam Rankin	254	Kotlin	2023-05-03 19:20:37
7	Bjarne Michael Greisen Larsen	260	Kotlin	2024-10-15 02:25:00
8	Hidden user	262	Kotlin	2017-11-18 08:08:48
9	Troy Warmboe	274	Kotlin	2020-02-18 23:21:06
10	Jacob Huebner	363	Kotlin	2020-04-27 05:46:19

#	User	Length	Language	Date
1	Sebastian Sternberg	330	OCaml	2022-05-07 12:37:08

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3136	Pascal	2017-08-16 13:57:07

#	User	Length	Language	Date
1	Connor Billings	124	PHP	2020-07-17 23:48:34
2	Jonas Lindenskov Nielsen	163	PHP	2019-11-01 18:23:13
3	Silvena Lam	345	PHP	2018-02-28 18:28:18

#	User	Length	Language	Date
1	Jesper Öqvist	85	Python 2	2018-10-21 11:14:55
2	Thomas Feld	87	Python 2	2019-08-26 11:53:08
3	Tore Norderud	95	Python 2	2014-12-21 14:33:27
4	Erik Odenman	96	Python 2	2015-05-10 21:38:30
5	Justin Su	114	Python 2	2017-09-24 06:46:25
6	Tomas Alvarez	116	Python 2	2017-08-30 21:08:57
7	Ngọc Hải Đinh	116	Python 2	2017-09-01 11:08:03
8	Hidden user	116	Python 2	2017-10-15 20:13:14
9	Paulo Bu	118	Python 2	2015-02-02 14:07:43
10	Wang Zhi Jian	121	Python 2	2018-12-05 07:14:23

#	User	Length	Language	Date
1	Clement Oh	58	Python 3	2023-05-06 14:02:39
2	Guk Yi Siong	58	Python 3	2023-07-31 12:52:08
3	Cameron Kauffman	67	Python 3	2024-09-28 06:22:29
4	Tai Tze Kin	68	Python 3	2024-05-06 17:34:50
5	Sebastian Boldsen Jakobsen	72	Python 3	2022-10-11 13:35:07
6	Eduardo Vicente Petry	72	Python 3	2023-01-28 22:50:15
7	Karen Birgitta Hanssen	73	Python 3	2022-12-05 02:39:14
8	Tam Keng Hong	73	Python 3	2023-01-05 10:21:00
9	Paul Swingle	74	Python 3	2022-12-13 17:42:53
10	Nikolaj Munk Binder Jensen	76	Python 3	2025-03-27 15:40:16

#	User	Length	Language	Date
1	dick move	35	Ruby	2022-12-09 19:05:30
2	Thomas Feld	36	Ruby	2022-12-15 00:26:07
3	Frederik Petersen	36	Ruby	2023-04-11 12:35:40
4	Andreas Severin Hauch Trøstrup	36	Ruby	2024-10-28 22:53:41
5	Noah Hessen Bjerke	37	Ruby	2022-12-06 13:05:50
6	Gerry Hall	66	Ruby	2016-03-25 05:46:46
7	Kok Dith	84	Ruby	2021-08-28 16:02:02
8	Kellen Watt	87	Ruby	2016-07-06 02:41:59
9	Casper Christensen	92	Ruby	2016-03-01 15:01:23
10	Savvas Alexandrou	99	Ruby	2019-01-12 12:22:00

#	User	Length	Language	Date
1	Vincent Lagerros	130	Rust	2024-10-12 20:02:39
2	David Rasch	192	Rust	2022-11-24 11:40:43
3	Bas Dirks	247	Rust	2022-01-07 14:45:51
4	Andreas Severin Hauch Trøstrup	277	Rust	2024-05-05 16:28:02
5	chuanhao01	314	Rust	2024-04-06 12:29:08
6	Artur Khuziakhmetov	316	Rust	2022-07-15 13:57:38
7	Thomas Charton-Jaeg	328	Rust	2024-04-03 17:45:58
8	Orga	363	Rust	2020-09-25 18:38:03
9	Isak Jägberg	369	Rust	2020-06-17 19:57:20
10	Albert Rise Nielsen	380	Rust	2023-03-28 15:55:42

Solution running time distribution