Problem O
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Submissions	5396
Accepted submissions	2623
Submission ratio	48.61%
Authors	2326
Full solves [?]	2188
Full solve Ratio	94.07%

#	User	Runtime	Language	Date
1	Michael Wichlinski	0.08 s	Ada	2025-04-15 05:11:44

#	User	Runtime	Language	Date
1	Danny Robinson	0.02 s	Bash	2023-09-04 08:33:25
2	Thomas Feld	0.02 s	Bash	2023-09-08 15:10:34
3	Chenzhang Hu	0.02 s	Bash	2023-09-18 17:52:25

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2025-06-12 21:31:39
2	Bergur Snorrason	0.01 s	C	2022-03-10 12:58:22
3	Harald Toft	0.01 s	C	2022-05-02 06:09:06
4	Eyleifur Bjarkason	0.01 s	C	2022-12-07 01:24:51
5	Joacim Wärn	0.01 s	C	2025-02-20 14:35:07
6	Nox Xelor	0.02 s	C	2022-04-07 09:06:51
7	Matthew Weston	0.02 s	C	2022-04-13 19:13:52
8	Nicholas Rolland	0.02 s	C	2022-05-03 23:53:34
9	Ximun Castoreo	0.02 s	C	2022-05-06 08:39:56
10	Brian lua	0.02 s	C	2022-05-09 20:31:24

#	User	Runtime	Language	Date
1	Henrik Hallbert	0.06 s	C#	2022-03-16 20:44:05
2	Eric Weiss	0.06 s	C#	2022-05-31 22:58:25
3	Maykal Droshev	0.06 s	C#	2023-06-28 23:09:37
4	Benjamin Bilbeau	0.06 s	C#	2024-04-25 20:25:33
5	Georgina Yujra H	0.06 s	C#	2025-05-27 16:09:25
6	Deci Bel	0.06 s	C#	2025-06-01 11:57:04
7	Joachim Horshauge	0.07 s	C#	2024-02-24 15:08:23
8	Hidden user	0.07 s	C#	2025-02-11 23:05:17
9	Benny Antonsson	0.08 s	C#	2022-03-22 23:13:03
10	Hidden user	0.08 s	C#	2022-03-23 22:53:57

#	User	Runtime	Language	Date
1	Øyvind Almli	0.00 s	C++	2023-07-26 21:24:42
2	Mathias Gernez	0.00 s	C++	2025-05-30 07:17:31
3	Evan Michael Bailey	0.00 s	C++	2025-06-21 20:43:20
4	Hao Chen Kang	0.01 s	C++	2022-03-05 20:01:23
5	Thomas Li	0.01 s	C++	2022-03-05 20:42:58
6	Harrison Shen	0.01 s	C++	2022-03-10 04:20:47
7	Frank Endriss	0.01 s	C++	2022-03-10 23:47:45
8	Nicholas Foo Chuan Le	0.01 s	C++	2022-03-11 03:46:00
9	Victor Chen	0.01 s	C++	2022-03-12 20:04:02
10	Antonio Molina Lovett	0.01 s	C++	2022-03-12 20:06:54

#	User	Runtime	Language	Date
1	dick move	0.03 s	Crystal	2025-10-25 17:22:12

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.11 s	F#	2022-07-09 18:14:59
2	Frederik Lind	0.11 s	F#	2024-02-07 15:29:02
3	Frederik Orth Kølbel	0.14 s	F#	2024-03-06 15:45:35

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.02 s	Go	2023-09-08 16:46:21
2	Marcus Östling	0.09 s	Go	2024-03-01 09:55:40
3	Resa Renaldy	0.11 s	Go	2022-03-20 06:48:03
4	Oliver Ruste Jahren	0.12 s	Go	2023-06-05 11:19:38
5	Norbert Voelker	0.24 s	Go	2022-03-14 22:41:17
6	Martin Stensgård	0.24 s	Go	2024-04-02 00:13:51

#	User	Runtime	Language	Date
1	Øyvind Almli	0.02 s	Haskell	2023-07-25 18:15:24
2	Steinar Simonnes	0.04 s	Haskell	2023-10-15 12:47:11
3	Jan Hrček	0.05 s	Haskell	2022-11-13 16:40:50
4	Charley Sheaffer	0.05 s	Haskell	2023-10-31 21:59:43
5	Greg Gorlen	0.12 s	Haskell	2024-05-26 01:17:38
6	Hidden user	0.13 s	Haskell	2024-03-23 08:00:43
7	Sebastian Banert	0.14 s	Haskell	2023-09-12 22:13:52
8	Brent Yorgey	0.16 s	Haskell	2022-03-14 03:45:26
9	Viktor Kronvall	0.16 s	Haskell	2022-08-22 17:39:55
10	Ng Tek In	0.17 s	Haskell	2022-08-09 04:04:17

#	User	Runtime	Language	Date
1	Lee Heng Sheng	0.08 s	Java	2024-04-27 15:42:02
2	Sven Rönnbäck	0.10 s	Java	2022-03-22 22:13:57
3	Guangyi Zhou	0.10 s	Java	2024-11-17 19:38:34
4	Samuel Klingström	0.13 s	Java	2022-05-26 20:27:45
5	Crystal Sharpe	0.14 s	Java	2022-03-29 03:47:22
6	Ryan Tan	0.14 s	Java	2022-05-04 17:41:47
7	Peter Dahl Hæstrup	0.15 s	Java	2025-02-03 20:52:30
8	Kristoffer Borgstrøm	0.17 s	Java	2022-06-10 16:11:12
9	Kristian Kongsgaard	0.17 s	Java	2025-02-04 20:13:05
10	amanda cunha	0.17 s	Java	2025-02-07 15:28:43

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	JavaScript (Node.js)	2024-09-20 19:20:20
2	Hidden user	0.10 s	JavaScript (Node.js)	2024-04-02 23:36:18
3	Antonia Sisneros	0.13 s	JavaScript (Node.js)	2022-12-08 19:04:18
4	John	0.14 s	JavaScript (Node.js)	2022-07-16 08:58:24
5	Hidden user	0.46 s	JavaScript (Node.js)	2022-03-17 13:42:05
6	Niamh Limerick	0.46 s	JavaScript (Node.js)	2022-04-07 18:24:28
7	Chris Wong	0.59 s	JavaScript (Node.js)	2022-03-16 12:00:28

#	User	Runtime	Language	Date
1	Tyler VanHaren	0.04 s	JavaScript (SpiderMonkey)	2022-06-04 19:24:52
2	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2022-06-18 22:39:37
3	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-01-01 12:50:18
4	Simon Titkó	0.04 s	JavaScript (SpiderMonkey)	2024-02-05 21:24:07
5	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2022-03-10 18:54:35
6	Zach Tschetter	0.05 s	JavaScript (SpiderMonkey)	2023-04-22 23:48:48
7	Evan Magill	0.05 s	JavaScript (SpiderMonkey)	2024-04-20 08:26:01
8	Benjamin Eli van Rhee	0.06 s	JavaScript (SpiderMonkey)	2024-09-17 19:29:33
9	Håkan Lindahl	0.08 s	JavaScript (SpiderMonkey)	2022-06-16 18:01:13

#	User	Runtime	Language	Date
1	Noszály Csaba	0.49 s	Julia	2025-04-07 18:06:05
2	Danny Robinson	0.68 s	Julia	2023-09-04 08:13:55

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.37 s	Kotlin	2024-05-30 21:25:08
2	Troy Warmboe	0.40 s	Kotlin	2023-04-11 04:38:34
3	Adam Rankin	0.41 s	Kotlin	2023-04-22 05:07:54
4	Sergey Jakobsen	0.47 s	Kotlin	2022-03-25 14:04:17
5	Troels Bjerre Lund	0.47 s	Kotlin	2022-03-27 22:49:06
6	Michail Yaromenko	0.48 s	Kotlin	2022-05-23 16:33:17
7	Zaw Myat	0.49 s	Kotlin	2024-02-03 13:27:59
8	Karl Johan Heimark	0.49 s	Kotlin	2024-12-04 20:32:08
9	Hamdanil Rasyid	0.52 s	Kotlin	2025-04-02 07:24:47
10	Timo Schikhof	0.53 s	Kotlin	2022-04-21 13:50:59

#	User	Runtime	Language	Date
1	Fredrik Eriksson	0.03 s	OCaml	2024-10-23 23:13:28

#	User	Runtime	Language	Date
1	Hidden user	0.11 s	Odin	2025-04-30 02:49:46

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.03 s	Pascal	2022-03-15 09:22:36
2	David Connolly	0.03 s	Pascal	2022-04-12 13:15:29

#	User	Runtime	Language	Date
1	Renate	0.02 s	PHP	2022-04-03 21:41:16
2	Andre Wahyudi	0.03 s	PHP	2022-10-20 04:50:31

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.11 s	Prolog	2023-02-05 09:10:10

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.04 s	Python 2	2022-06-21 10:51:15
2	Andreas Björklund	0.05 s	Python 2	2022-03-13 18:10:50
3	Johan Lyts	0.05 s	Python 2	2022-03-23 21:54:35
4	Yanmarshus Bachtiar	0.06 s	Python 2	2022-03-12 02:34:22

#	User	Runtime	Language	Date
1	Stephen Lu	0.05 s	Python 3	2022-10-22 21:02:52
2	Elliott Kalt	0.05 s	Python 3	2022-10-22 21:14:46
3	Kevin Cogan	0.05 s	Python 3	2024-09-08 21:56:18
4	Ernest Wayne Tee	0.05 s	Python 3	2024-09-09 14:47:08
5	Mike Herms	0.05 s	Python 3	2024-10-28 20:23:11
6	Kason Chen	0.05 s	Python 3	2024-12-05 11:43:14
7	Hidden user	0.05 s	Python 3	2024-12-30 01:13:27
8	Lukáš Trstenský	0.05 s	Python 3	2025-01-31 10:44:15
9	Thomas Olesen	0.05 s	Python 3	2025-02-04 13:15:41
10	Hidden user	0.05 s	Python 3	2025-02-06 14:05:16

#	User	Runtime	Language	Date
1	Thomas Feld	0.13 s	Ruby	2022-12-13 08:26:32
2	Matzuka	0.13 s	Ruby	2025-11-01 22:41:33
3	Alexander Bilde Pedersen	0.19 s	Ruby	2023-06-03 23:41:04

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-01-21 11:14:41
2	Bas Dirks	0.01 s	Rust	2022-03-13 14:04:40
3	poppyer	0.01 s	Rust	2022-03-13 21:04:56
4	Hamza Mohd Zubair	0.01 s	Rust	2022-05-12 12:33:21
5	Magix	0.01 s	Rust	2022-06-08 15:08:13
6	Tobias Bengtsson	0.01 s	Rust	2022-09-08 23:26:21
7	Daniel Anker Hermansen	0.01 s	Rust	2023-05-20 16:13:35
8	Fergus Jones	0.01 s	Rust	2024-04-19 20:14:40
9	Pankajkumar Patro	0.01 s	Rust	2024-09-06 12:56:32
10	Hidden user	0.01 s	Rust	2025-02-05 09:25:07

#	User	Length	Language	Date
1	Michael Wichlinski	499	Ada	2025-04-15 05:12:42

#	User	Length	Language	Date
1	Thomas Feld	30	Bash	2023-09-26 12:40:37
2	Chenzhang Hu	30	Bash	2025-09-12 22:06:40
3	Danny Robinson	38	Bash	2023-09-04 08:33:25

#	User	Length	Language	Date
1	Martin Blom	107	C	2024-01-09 09:51:16
2	HwH	182	C	2023-01-16 16:13:27
3	Hidden user	199	C	2024-10-23 08:33:19
4	Florian ten Napel	199	C	2025-06-09 13:58:05
5	MADHUMITHA K	201	C	2025-04-11 13:04:52
6	Maverick Hartono	203	C	2022-08-02 18:55:26
7	Hidden user	206	C	2025-04-30 10:07:21
8	Hidden user	207	C	2025-05-03 11:20:38
9	RAJASABARI ANBARASU	208	C	2025-04-11 16:05:39
10	Roemer Caliboso	215	C	2024-09-10 17:52:07

#	User	Length	Language	Date
1	Gregory Sinclair	145	C#	2023-11-11 21:51:25
2	traxex	268	C#	2024-05-07 12:48:48
3	Jan Matthiessen	284	C#	2024-09-21 22:03:57
4	Deci Bel	301	C#	2025-06-01 11:57:04
5	Esty Crow	321	C#	2023-12-03 06:54:12
6	Anthony Ye	349	C#	2023-12-03 17:49:43
7	svante	352	C#	2025-02-11 22:59:24
8	Hieu	420	C#	2022-10-26 07:58:00
9	Hidden user	432	C#	2025-02-11 23:05:17
10	Գոռ Բաղդասարյան	447	C#	2024-11-21 09:15:34

#	User	Length	Language	Date
1	Frans Meulenbroeks	111	C++	2024-12-16 22:41:27
2	Hidden user	112	C++	2024-02-29 01:32:50
3	Mathias Gernez	129	C++	2025-05-30 07:15:38
4	Huzeyfa Suleyman	168	C++	2024-05-18 16:55:49
5	Kerk Tai Heng	174	C++	2025-05-28 10:38:45
6	Mauricio Loayza	175	C++	2023-01-31 16:04:23
7	Firaol Bulo	177	C++	2023-08-19 22:48:43
8	Jack Parsons	186	C++	2022-04-07 20:05:15
9	Nguyen Tran Huu Duc	187	C++	2022-03-13 15:53:04
10	Giulio Angiani	187	C++	2022-07-01 12:09:47

#	User	Length	Language	Date
1	dick move	140	Crystal	2025-10-25 17:22:12

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	323	F#	2022-07-09 18:14:59
2	Frederik Lind	473	F#	2024-02-07 15:29:02
3	Frederik Orth Kølbel	2124	F#	2024-03-06 15:45:35

#	User	Length	Language	Date
1	Martin Stensgård	336	Go	2024-04-02 00:13:51
2	Resa Renaldy	415	Go	2022-03-20 06:48:03
3	Marcus Östling	422	Go	2024-03-01 10:13:16
4	Norbert Voelker	490	Go	2022-03-14 22:41:17
5	Jimmy Nejtron	530	Go	2023-09-08 16:46:21
6	Oliver Ruste Jahren	638	Go	2023-06-05 11:19:38

#	User	Length	Language	Date
1	Sebastian Banert	164	Haskell	2023-09-12 22:13:52
2	Steinar Simonnes	217	Haskell	2023-10-15 12:47:11
3	Øyvind Almli	251	Haskell	2022-03-15 00:05:17
4	Hidden user	255	Haskell	2024-03-23 08:00:43
5	Viktor Kronvall	274	Haskell	2022-08-22 17:39:55
6	Brent Yorgey	315	Haskell	2022-03-14 03:45:26
7	Charley Sheaffer	337	Haskell	2023-10-31 21:59:43
8	Adam Yaser Sweilem	346	Haskell	2025-02-03 15:02:32
9	Greg Gorlen	381	Haskell	2024-05-26 01:17:38
10	Ng Tek In	384	Haskell	2022-08-09 04:04:17

#	User	Length	Language	Date
1	Rasmus Poulsen	208	Java	2024-02-06 08:09:03
2	Isak Howalt Owe	263	Java	2024-02-08 16:29:47
3	Nickie Almind	273	Java	2024-02-08 17:33:38
4	Jason Liu	298	Java	2023-05-05 16:03:48
5	Raymond Arrington	310	Java	2024-09-06 17:19:53
6	Alexander Madsen	316	Java	2022-05-29 01:38:17
7	Frederik Porsmose Stender	318	Java	2024-02-05 14:53:03
8	Anton Sandin	331	Java	2022-04-21 12:03:02
9	Henry Fong	331	Java	2022-10-26 18:32:48
10	Steven Febrian	339	Java	2024-04-03 16:27:12

#	User	Length	Language	Date
1	Hidden user	455	JavaScript (Node.js)	2022-03-17 13:42:05
2	Antonia Sisneros	466	JavaScript (Node.js)	2022-12-08 19:04:18
3	Hidden user	504	JavaScript (Node.js)	2023-08-28 06:09:25
4	Hidden user	619	JavaScript (Node.js)	2024-04-02 23:36:18
5	Chris Wong	647	JavaScript (Node.js)	2022-03-16 12:00:28
6	Niamh Limerick	689	JavaScript (Node.js)	2022-04-07 18:24:28
7	John	731	JavaScript (Node.js)	2022-07-16 08:58:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	84	JavaScript (SpiderMonkey)	2023-01-01 12:53:22
2	Evan Magill	124	JavaScript (SpiderMonkey)	2024-04-20 08:26:01
3	Zach Tschetter	142	JavaScript (SpiderMonkey)	2023-04-22 23:48:48
4	Jimmy Gustafsson	144	JavaScript (SpiderMonkey)	2022-06-18 22:39:37
5	Håkan Lindahl	188	JavaScript (SpiderMonkey)	2022-06-16 18:01:13
6	Bjørn Chr. Soltvedt	191	JavaScript (SpiderMonkey)	2022-03-10 18:54:35
7	Simon Titkó	207	JavaScript (SpiderMonkey)	2024-02-05 21:30:48
8	Tyler VanHaren	260	JavaScript (SpiderMonkey)	2022-06-04 19:24:52
9	Benjamin Eli van Rhee	738	JavaScript (SpiderMonkey)	2024-09-17 19:29:33

#	User	Length	Language	Date
1	Danny Robinson	74	Julia	2023-09-04 08:13:55
2	Noszály Csaba	78	Julia	2025-04-07 18:06:05

#	User	Length	Language	Date
1	Troels Bjerre Lund	169	Kotlin	2022-03-27 22:49:06
2	Troy Warmboe	175	Kotlin	2023-04-11 04:38:34
3	Sergey Jakobsen	219	Kotlin	2022-03-25 14:04:17
4	Emil Wihlander	252	Kotlin	2023-07-25 12:01:26
5	Hamdanil Rasyid	285	Kotlin	2025-04-02 07:24:47
6	Karl Johan Heimark	317	Kotlin	2024-12-04 20:32:08
7	Michail Yaromenko	351	Kotlin	2022-05-23 16:33:17
8	Timo Schikhof	397	Kotlin	2022-04-21 13:50:59
9	Adam Rankin	433	Kotlin	2023-04-22 05:07:54
10	Zaw Myat	437	Kotlin	2024-02-03 13:27:59

#	User	Length	Language	Date
1	Fredrik Eriksson	389	OCaml	2024-10-23 23:13:28

#	User	Length	Language	Date
1	Hidden user	543	Odin	2025-04-30 02:49:46

#	User	Length	Language	Date
1	Ingemar Ragnemalm	243	Pascal	2022-03-15 09:22:36
2	David Connolly	703	Pascal	2022-04-12 13:15:29

#	User	Length	Language	Date
1	Renate	286	PHP	2022-04-03 21:41:16
2	Andre Wahyudi	492	PHP	2022-10-20 04:50:31

#	User	Length	Language	Date
1	Hakan Kjellerstrand	278	Prolog	2023-02-05 09:10:10

#	User	Length	Language	Date
1	Andreas Björklund	100	Python 2	2022-03-13 18:10:50
2	Johan Lyts	140	Python 2	2022-03-23 21:54:35
3	Yanmarshus Bachtiar	230	Python 2	2022-03-12 02:34:22
4	Hasan Kalzi	305	Python 2	2022-03-31 10:44:54

#	User	Length	Language	Date
1	Thomas Feld	56	Python 3	2022-11-10 12:55:44
2	Noah Weninger	56	Python 3	2022-11-30 22:56:19
3	Clement Oh	56	Python 3	2023-05-13 09:32:44
4	Morten Clausen	57	Python 3	2022-10-05 17:03:50
5	Jakub Jagiello	57	Python 3	2022-10-21 20:14:18
6	Thomas Draper	57	Python 3	2023-07-24 16:31:26
7	Millie Lægreid Solem	57	Python 3	2024-07-25 19:30:42
8	Klas af Geijerstam	58	Python 3	2022-10-21 20:17:01
9	Hidden user	59	Python 3	2025-01-21 12:24:56
10	Guk Yi Siong	60	Python 3	2023-06-12 20:36:50

#	User	Length	Language	Date
1	Thomas Feld	44	Ruby	2022-12-13 08:26:32
2	Alexander Bilde Pedersen	80	Ruby	2023-06-03 23:41:04
3	Matzuka	120	Ruby	2025-11-01 22:41:33

#	User	Length	Language	Date
1	Vincent Lagerros	270	Rust	2025-01-21 11:09:51
2	Emil Dichmann	429	Rust	2025-09-14 11:22:28
3	David Rasch	467	Rust	2022-04-22 16:43:56
4	poppyer	482	Rust	2022-03-13 21:04:56
5	Tobias Bengtsson	482	Rust	2022-09-08 23:26:21
6	Fergus Jones	483	Rust	2024-04-19 20:14:40
7	Bas Dirks	492	Rust	2022-03-13 14:04:40
8	Hamza Mohd Zubair	507	Rust	2022-05-12 12:33:21
9	Isak Jägberg	510	Rust	2022-05-02 20:11:24
10	nazifa	598	Rust	2025-04-10 19:36:52

Solution running time distribution