Problem O
Quite a Problem — Problem Statistics

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Submissions	6701
Accepted submissions	2741
Submission ratio	40.90%
Authors	2499
Full solves [?]	2278
Full solve Ratio	91.16%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-09-09 15:39:14
2	Thomas Feld	0.01 s	Bash	2023-09-25 12:08:18
3	Danny Robinson	0.01 s	Bash	2024-08-29 17:19:07
4	Frans Meulenbroeks	0.01 s	Bash	2024-10-06 15:22:50

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

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-12-16 18:35:29

#	User	Runtime	Language	Date
1	Sean Hagen	0.00 s	Go	2024-04-13 02:53:57
2	Lucas Simao	0.02 s	Go	2018-12-18 00:57:25
3	Hidden user	0.02 s	Go	2019-11-24 10:26:28
4	Krzysztof Gibuła	0.02 s	Go	2021-05-09 19:08:40
5	Norbert Voelker	0.02 s	Go	2021-05-15 22:05:50
6	Ola Dahl	0.02 s	Go	2022-11-04 21:13:53
7	Jim Ryan	0.08 s	Go	2021-01-01 17:08:28
8	Evelyn May	0.09 s	Go	2020-12-06 06:24:56

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2014-12-23 14:17:44
2	Md Akif Chowdhury	0.00 s	Haskell	2023-07-12 08:19:58
3	Hidden user	0.01 s	Haskell	2014-12-15 13:30:33
4	Lars Tveito	0.01 s	Haskell	2015-06-08 01:08:02
5	Christian Leipe	0.01 s	Haskell	2015-12-04 08:40:55
6	Patrik Lilja	0.01 s	Haskell	2016-02-11 21:51:06
7	Jan Hlavacek	0.01 s	Haskell	2016-11-02 00:50:46
8	Martin Jackson	0.01 s	Haskell	2017-05-06 19:17:51
9	Brent Yorgey	0.01 s	Haskell	2017-10-16 03:10:02
10	Krisztián Köves	0.01 s	Haskell	2018-03-05 07:22:49

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2025-07-14 15:03:32
2	Liam Keliher	0.06 s	Java	2016-08-13 18:33:04
3	Marco Vincenzo Karaan	0.06 s	Java	2016-10-01 06:01:23
4	Martijn Muijsers	0.06 s	Java	2016-10-01 13:54:14
5	José Vander Meulen	0.06 s	Java	2018-11-14 19:40:48
6	Emil Bak-Møller	0.06 s	Java	2021-03-02 12:01:53
7	Taras Romanyuk	0.06 s	Java	2024-10-23 22:12:16
8	Stephen Joe	0.07 s	Java	2013-10-05 02:47:06
9	Hidden user	0.07 s	Java	2014-03-25 01:05:29
10	Dennis Ang	0.07 s	Java	2015-09-26 09:25:05

#	User	Runtime	Language	Date
1	Jordan H	0.05 s	JavaScript (Node.js)	2023-10-10 20:49:15
2	Jonathan Urias	0.07 s	JavaScript (Node.js)	2025-01-09 18:27:51
3	Nicklas Østerberg	0.07 s	JavaScript (Node.js)	2025-04-08 09:46:33
4	Karim Dridi	0.41 s	JavaScript (Node.js)	2022-01-14 00:35:01
5	Teo Diaz	0.42 s	JavaScript (Node.js)	2021-04-08 08:20:34
6	Addie Meders	0.43 s	JavaScript (Node.js)	2020-02-25 02:40:48
7	Caleb Spiess	0.43 s	JavaScript (Node.js)	2020-02-25 20:40:48
8	Mandala Binsar	0.43 s	JavaScript (Node.js)	2020-12-19 02:07:51
9	Ryan Letto	0.43 s	JavaScript (Node.js)	2021-02-21 00:01:11

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-04 00:40:16
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-14 14:07:33
3	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-17 15:31:54
4	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2016-11-20 16:14:52
5	Gabor Varga	0.01 s	JavaScript (SpiderMonkey)	2018-04-03 09:51:11
6	Sardar Batofi	0.01 s	JavaScript (SpiderMonkey)	2018-04-10 16:10:56
7	Omar Al-Khashab	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 04:26:19
8	Goran Sherko Jawdat	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 19:54:21
9	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-02 20:02:02
10	Máté Kosik	0.03 s	JavaScript (SpiderMonkey)	2018-12-20 11:24:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2024-03-26 07:42:57

#	User	Runtime	Language	Date
1	Jacob Huebner	0.15 s	Kotlin	2020-04-27 03:46:19
2	Daniel Taco Törbacka	0.16 s	Kotlin	2018-02-27 19:14:58
3	Nicholas Johnson	0.16 s	Kotlin	2021-10-28 22:07:15
4	Neil Harmon	0.19 s	Kotlin	2019-05-06 09:21:59
5	Hidden user	0.20 s	Kotlin	2023-06-09 07:50:54
6	Hidden user	0.22 s	Kotlin	2017-11-18 07:08:48
7	Adam Rankin	0.22 s	Kotlin	2023-05-03 17:20:37
8	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-09-27 20:17:51
9	Jahid Hasan Imon	0.26 s	Kotlin	2020-06-03 19:36:11
10	arda atci	0.27 s	Kotlin	2020-07-07 16:24:03

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.01 s	OCaml	2022-05-07 10:37:08

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-16 11:57:07

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2018-02-28 17:28:18
2	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-11-01 17:23:13
3	Connor Billings	0.01 s	PHP	2020-07-17 21:48:34

#	User	Runtime	Language	Date
1	Andrei Stoica	0.02 s	Python 2	2017-12-25 23:38:54
2	Egill Sveinbjörnsson	0.03 s	Python 2	2014-11-27 11:12:18
3	Ingibergur Sindri Stefnisson	0.03 s	Python 2	2014-11-30 18:21:52
4	Tore Norderud	0.03 s	Python 2	2014-12-21 13:33:27
5	Paulo Bu	0.03 s	Python 2	2015-02-02 13:07:43
6	Daniel Palmqvist	0.03 s	Python 2	2015-02-15 14:33:26
7	Kristmundur Agust	0.03 s	Python 2	2015-03-04 21:29:40
8	Christofer Ohlsson	0.03 s	Python 2	2015-04-04 20:11:44
9	Erik Odenman	0.03 s	Python 2	2015-05-10 19:38:30
10	Emma Nimstad	0.03 s	Python 2	2015-06-28 13:47:58

#	User	Runtime	Language	Date
1	Einar Ágúst Árnason	0.02 s	Python 3	2014-11-26 14:56:01
2	Martin Stensgård	0.02 s	Python 3	2015-03-14 23:44:19
3	Brian Harrington	0.02 s	Python 3	2015-04-19 02:43:23
4	James Elías Sigurðarson	0.02 s	Python 3	2015-05-31 19:30:31
5	Johannes Agestam	0.02 s	Python 3	2015-06-15 17:04:02
6	Fredrik Carlsen	0.02 s	Python 3	2015-07-11 10:45:44
7	Arnar Leifsson	0.02 s	Python 3	2015-07-22 22:32:17
8	Baldur Tryggvason	0.02 s	Python 3	2015-08-01 11:08:50
9	Matthew Rogers	0.02 s	Python 3	2015-10-09 02:06:08
10	田中恭太	0.02 s	Python 3	2015-10-24 02:37:59

#	User	Runtime	Language	Date
1	Chris Weston	0.03 s	Ruby	2016-02-18 22:09:13
2	Casper Christensen	0.03 s	Ruby	2016-03-01 14:01:23
3	Gerry Hall	0.03 s	Ruby	2016-03-25 04:46:46
4	Lasse Berglund	0.03 s	Ruby	2016-04-20 12:33:14
5	Kellen Watt	0.03 s	Ruby	2016-07-06 00:41:59
6	Erik Rydbert	0.03 s	Ruby	2016-07-13 10:16:33
7	Sebastian Craig	0.03 s	Ruby	2016-10-20 00:24:58
8	Savvas Alexandrou	0.05 s	Ruby	2019-01-12 11:22:00
9	Eric Holmi	0.05 s	Ruby	2020-05-06 12:26:36
10	Kok Dith	0.05 s	Ruby	2021-08-28 14:02:02

#	User	Length	Language	Date
1	Chenzhang Hu	31	Bash	2025-09-12 14:56:17
2	Danny Robinson	47	Bash	2024-08-29 17:19:07
3	Frans Meulenbroeks	56	Bash	2024-10-06 15:22:50
4	Thomas Feld	75	Bash	2023-09-26 08:35:50

#	User	Length	Language	Date
1	Arnav Sastry	250	C	2018-01-08 19:10:08
2	Thibault Raffaillac	255	C	2017-02-28 20:13:08
3	Mohammed Jaouhari	260	C	2018-09-03 23:05:40
4	Reine Reynoso	300	C	2016-05-02 02:28:45
5	Minh Tuấn	350	C	2016-03-05 05:32:55
6	Nguyễn Hoàng	378	C	2016-03-05 17:31:03
7	Nhật Anh Võ Nguyễn	380	C	2016-03-03 06:18:21
8	Đào Thanh Duy	389	C	2016-03-02 03:54:39
9	Mikael K Eriksson	398	C	2021-04-08 14:17:40

#	User	Length	Language	Date
1	Hidden user	179	C#	2025-11-29 20:09:18
2	Desireé af Geijerstam	213	C#	2018-01-17 21:29:19
3	Anthony Ye	213	C#	2023-04-02 15:47:57
4	Mouhamad M.M	230	C#	2025-08-30 17:40:37
5	Esty Crow	233	C#	2023-03-30 19:57:49
6	Kunwei Zhang	263	C#	2018-06-15 13:30:09
7	Matilda V Mjd	264	C#	2018-09-17 15:20:19
8	Göran Andersson	280	C#	2022-05-21 13:07:31
9	Klas af Geijerstam	312	C#	2016-12-14 10:12:42

#	User	Length	Language	Date
1	Tyler Fernando	171	C++	2022-11-03 13:05:13
2	Antonio Molina Lovett	200	C++	2016-08-07 08:26:55
3	Markus Mathiasen	210	C++	2022-10-09 06:23:25
4	Adrian Vidal	223	C++	2015-08-01 05:49:15
5	Hidden user	227	C++	2020-02-29 23:32:54
6	Alexander Skidanov	234	C++	2025-01-27 03:55:31
7	Herman Karlsson	235	C++	2015-04-01 20:36:14
8	traxex	245	C++	2021-12-05 18:43:17
9	Yeung Man Tsung	246	C++	2022-11-27 13:37:12
10	Juliet Persia	248	C++	2019-07-30 08:32:54

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	517	F#	2022-12-16 18:35:29

#	User	Length	Language	Date
1	Lucas Simao	266	Go	2018-12-18 00:57:25
2	Evelyn May	297	Go	2020-12-06 06:24:56
3	Hidden user	298	Go	2019-11-24 10:26:28
4	Sean Hagen	443	Go	2024-04-13 02:53:57
5	Ola Dahl	550	Go	2022-11-04 21:13:53
6	Jim Ryan	597	Go	2021-01-01 17:08:28
7	Krzysztof Gibuła	840	Go	2021-05-09 19:08:40
8	Norbert Voelker	859	Go	2021-05-15 22:05:50

#	User	Length	Language	Date
1	Zach Tschetter	157	Haskell	2021-04-14 13:35:27
2	Matthew Johnson	214	Haskell	2018-03-09 03:30:06
3	Aurélien Pepin	222	Haskell	2019-08-16 17:41:47
4	Hidden user	230	Haskell	2019-08-25 08:54:17
5	Martin Jackson	232	Haskell	2017-05-06 19:17:51
6	Steinar Simonnes	239	Haskell	2023-11-04 15:32:01
7	Jan Hlavacek	240	Haskell	2016-11-02 00:50:46
8	Johannes Ljung Ekeroth	252	Haskell	2021-01-01 17:37:37
9	Hidden user	256	Haskell	2014-12-15 13:30:33
10	Håkon Flatval	261	Haskell	2018-09-03 16:06:28

#	User	Length	Language	Date
1	Manshant Singh Kohli	238	Java	2016-03-05 06:38:16
2	Jason Liu	249	Java	2023-05-05 12:50:41
3	William Fiset	256	Java	2016-01-30 17:32:11
4	Uttam Thakore	274	Java	2017-02-24 02:17:30
5	Hidden user	274	Java	2020-03-26 19:27:59
6	Lucas Burson	288	Java	2016-07-26 02:05:31
7	Khin Nyunt	288	Java	2017-11-11 05:07:33
8	Theis Stensgaard	290	Java	2021-01-27 16:16:04
9	Ralph Calixte	293	Java	2020-03-26 19:52:02
10	Eric Penguin	293	Java	2024-02-03 00:49:48

#	User	Length	Language	Date
1	Karim Dridi	205	JavaScript (Node.js)	2022-01-14 00:35:01
2	Ryan Letto	263	JavaScript (Node.js)	2021-02-21 00:01:11
3	Khin Nyunt	411	JavaScript (Node.js)	2021-11-28 13:21:41
4	Teo Diaz	414	JavaScript (Node.js)	2021-04-08 08:20:34
5	Jordan H	431	JavaScript (Node.js)	2023-10-10 20:49:15
6	Mandala Binsar	625	JavaScript (Node.js)	2020-12-19 02:07:51
7	Caleb Spiess	676	JavaScript (Node.js)	2020-02-25 20:40:48
8	Jonathan Urias	705	JavaScript (Node.js)	2025-01-09 18:27:51
9	Addie Meders	766	JavaScript (Node.js)	2020-02-25 02:40:48

#	User	Length	Language	Date
1	Johannes Jensen	78	JavaScript (SpiderMonkey)	2016-03-17 15:31:54
2	Jimmy Gustafsson	96	JavaScript (SpiderMonkey)	2024-08-02 20:02:02
3	Peter Kedemo	134	JavaScript (SpiderMonkey)	2016-01-04 00:40:16
4	Christian Pilegaard Cederquist	139	JavaScript (SpiderMonkey)	2023-02-11 00:14:28
5	Bjørn Chr. Soltvedt	175	JavaScript (SpiderMonkey)	2016-02-14 14:07:33
6	Gabor Varga	200	JavaScript (SpiderMonkey)	2018-04-03 09:51:11
7	Omar Al-Khashab	223	JavaScript (SpiderMonkey)	2018-04-25 04:26:19
8	Sardar Batofi	231	JavaScript (SpiderMonkey)	2018-04-10 16:12:14
9	Ionel Hindorean	247	JavaScript (SpiderMonkey)	2016-11-20 16:14:52
10	Goran Sherko Jawdat	247	JavaScript (SpiderMonkey)	2018-04-25 19:54:21

#	User	Length	Language	Date
1	Timothy Gaede	221	Julia	2024-03-26 07:42:57

#	User	Length	Language	Date
1	Hidden user	150	Kotlin	2023-06-09 07:34:59
2	Phường Lên	183	Kotlin	2020-04-20 02:23:16
3	Jahid Hasan Imon	233	Kotlin	2020-06-03 19:37:40
4	Dayan Ruben Gonzalez	233	Kotlin	2020-09-27 20:17:51
5	Einar Kjellback	237	Kotlin	2020-01-19 19:37:43
6	Adam Rankin	254	Kotlin	2023-05-03 17:20:37
7	Bjarne Michael Greisen Larsen	260	Kotlin	2024-10-15 00:25:00
8	Hidden user	262	Kotlin	2017-11-18 07:08:48
9	Troy Warmboe	274	Kotlin	2020-02-18 22:21:06
10	Jacob Huebner	363	Kotlin	2020-04-27 03:46:19

#	User	Length	Language	Date
1	Sebastian Sternberg	330	OCaml	2022-05-07 10:37:08

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3154	Pascal	2017-08-16 11:57:07

#	User	Length	Language	Date
1	Connor Billings	124	PHP	2020-07-17 21:48:34
2	Jonas Lindenskov Nielsen	163	PHP	2019-11-01 17:23:13
3	Silvena Lam	345	PHP	2018-02-28 17:28:18

#	User	Length	Language	Date
1	Jesper Öqvist	85	Python 2	2018-10-21 09:14:55
2	Thomas Feld	87	Python 2	2019-08-26 09:53:08
3	Tore Norderud	95	Python 2	2014-12-21 13:33:27
4	Erik Odenman	96	Python 2	2015-05-10 19:38:30
5	Justin Su	114	Python 2	2017-09-24 04:46:25
6	Tomas Alvarez	116	Python 2	2017-08-30 19:08:57
7	Ngọc Hải Đinh	116	Python 2	2017-09-01 09:08:03
8	Hidden user	116	Python 2	2017-10-15 18:13:14
9	Paulo Bu	118	Python 2	2015-02-02 13:07:43
10	Wang Zhi Jian	121	Python 2	2018-12-05 06:14:23

#	User	Length	Language	Date
1	Clement Oh	58	Python 3	2023-05-06 12:02:39
2	Guk Yi Siong	58	Python 3	2023-07-31 10:52:08
3	Cameron Kauffman	67	Python 3	2024-09-28 04:22:29
4	Tai Tze Kin	68	Python 3	2024-05-06 15:34:50
5	Sebastian Boldsen Jakobsen	72	Python 3	2022-10-11 11:35:07
6	Eduardo Vicente Petry	72	Python 3	2023-01-28 21:50:15
7	Karen Birgitta Hanssen	73	Python 3	2022-12-05 01:39:14
8	Tam Keng Hong	73	Python 3	2023-01-05 09:21:00
9	Paul Swingle	74	Python 3	2022-12-13 16:42:53
10	David Aldenbro	75	Python 3	2025-08-23 22:55:00

#	User	Length	Language	Date
1	dick move	35	Ruby	2022-12-09 18:05:30
2	Thomas Feld	36	Ruby	2022-12-14 23:26:07
3	Frederik Petersen	36	Ruby	2023-04-11 10:35:40
4	Andreas Severin Hauch Trøstrup	36	Ruby	2024-10-28 21:53:41
5	Noah Hessen Bjerke	37	Ruby	2022-12-06 12:05:50
6	Gerry Hall	66	Ruby	2016-03-25 04:46:46
7	Kok Dith	84	Ruby	2021-08-28 14:02:02
8	Kellen Watt	87	Ruby	2016-07-06 00:41:59
9	Casper Christensen	92	Ruby	2016-03-01 14:01:23
10	Savvas Alexandrou	99	Ruby	2019-01-12 11:22:00

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

Solution running time distribution