Problem B
Ones — Problem Statistics

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Submissions	5017
Accepted submissions	1529
Submission ratio	30.48%
Authors	1313
Accepted authors	1030
Author ratio	78.45%

#	User	Runtime	Language	Date
1	Johannes Svensson	0.00 s	C	2009-12-06 11:26:39
2	Jesper Särnesjö	0.12 s	C	2007-12-04 14:09:44
3	Hidden user	0.12 s	C	2007-12-11 20:17:49
4	Christian Adåker	0.12 s	C	2007-12-25 18:12:56
5	David Björklund	0.12 s	C	2009-12-09 00:10:04
6	Johan Sannemo	0.12 s	C	2011-07-30 01:56:41
7	Hidden user	0.12 s	C	2016-11-04 22:22:19
8	Edgar Samuel Perea Domínguez	0.12 s	C	2016-11-25 22:58:21
9	Hidden user	0.12 s	C	2017-03-25 17:27:16
10	Hidden user	0.12 s	C	2017-05-17 20:22:47

#	User	Runtime	Language	Date
1	Patrik Lilja	0.13 s	C#	2015-01-14 00:52:38
2	Petra Marc	0.14 s	C#	2016-12-12 16:48:15
3	Hidden user	0.14 s	C#	2017-01-03 03:04:05
4	Johan Litsfeldt	0.15 s	C#	2021-03-20 22:05:52
5	Ugnius Skučas	0.19 s	C#	2016-10-15 14:04:30
6	Rasmus Brants	0.23 s	C#	2017-05-22 14:18:42
7	Tin Pavelić	0.24 s	C#	2016-03-08 16:54:48
8	Andrzej Krajniak	0.30 s	C#	2016-10-21 11:45:45
9	Daniel Materowski	0.42 s	C#	2016-10-26 00:57:48

#	User	Runtime	Language	Date
1	Fredrik Atmer	0.00 s	C++	2007-12-11 23:36:44
2	Hidden user	0.00 s	C++	2007-12-12 14:07:38
3	Hidden user	0.00 s	C++	2008-11-30 03:21:27
4	Henry Xia	0.00 s	C++	2018-11-06 06:58:56
5	Vincent Chow Zhi Yang	0.00 s	C++	2019-02-08 09:06:13
6	Nicholas Winschel	0.00 s	C++	2023-04-27 09:49:32
7	Niklas Sandén	0.00 s	C++	2023-07-05 01:44:07
8	Per Persson	0.01 s	C++	2015-06-25 15:26:55
9	Mårten Wiman	0.01 s	C++	2015-08-23 13:11:45
10	Joakim Blikstad	0.01 s	C++	2015-12-31 12:22:33

#	User	Runtime	Language	Date
1	Norbert Voelker	0.19 s	Go	2023-03-22 14:48:32
2	Hidden user	0.26 s	Go	2019-02-17 00:03:27
3	Patrik Lilja	0.29 s	Go	2015-01-14 00:56:13

#	User	Runtime	Language	Date
1	Fulano de Tal	0.01 s	Haskell	2022-01-20 01:27:52
2	Christian Leipe	0.18 s	Haskell	2016-03-09 12:39:24
3	Brent Yorgey	0.30 s	Haskell	2018-04-14 08:05:48
4	Jonathan Erikson	0.30 s	Haskell	2021-04-11 20:26:02
5	Oskar Segersvärd	0.33 s	Haskell	2015-01-10 13:42:28
6	Evan Wilde	0.48 s	Haskell	2017-03-09 05:13:53
7	Kári Tristan Helgason	0.67 s	Haskell	2014-12-10 12:24:12

#	User	Runtime	Language	Date
1	Fredrik Atmer	0.06 s	Java	2007-12-09 23:51:29
2	Simon Klein	0.18 s	Java	2013-05-09 19:08:19
3	Hanif Farahmand Mokarremi	0.19 s	Java	2011-12-18 03:01:07
4	Staffan Rydström	0.19 s	Java	2011-12-25 20:18:18
5	Carl Henrik Klåvus	0.19 s	Java	2013-05-16 21:13:54
6	Viktor Mattsson	0.19 s	Java	2014-12-10 22:10:10
7	Carl Eriksson	0.19 s	Java	2014-12-15 14:58:12
8	Sofie Thorsen	0.19 s	Java	2014-12-16 13:03:54
9	Bjørn Dons	0.19 s	Java	2018-12-20 20:24:04
10	Taras Romanyuk	0.19 s	Java	2024-09-11 22:12:16

#	User	Runtime	Language	Date
1	Hidden user	0.32 s	JavaScript (Node.js)	2019-03-07 16:24:57

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.08 s	JavaScript (SpiderMonkey)	2022-12-22 23:46:40
2	Isaac Saffold	0.12 s	JavaScript (SpiderMonkey)	2018-08-13 05:08:47
3	Christian Cederquist	0.14 s	JavaScript (SpiderMonkey)	2023-03-18 07:57:50
4	Johannes Jensen	0.16 s	JavaScript (SpiderMonkey)	2020-12-04 15:50:34
5	Jimmy Gustafsson	0.16 s	JavaScript (SpiderMonkey)	2022-09-07 22:16:49

#	User	Runtime	Language	Date
1	Noszály Csaba	0.42 s	Julia	2025-03-20 18:31:38
2	Alexandre Charland	0.45 s	Julia	2025-02-20 16:56:45

#	User	Runtime	Language	Date
1	Jacob Huebner	0.28 s	Kotlin	2022-04-11 06:47:37
2	Hidden user	0.29 s	Kotlin	2020-02-07 00:52:00
3	Kelly Dance	0.33 s	Kotlin	2022-10-13 17:38:26
4	Adam Rankin	0.33 s	Kotlin	2023-05-15 07:18:51
5	Aksel Holbek Sørbye	0.33 s	Kotlin	2023-09-14 21:43:42
6	Adam Koprowski	0.34 s	Kotlin	2021-05-30 22:35:40
7	Whitt Sanders	0.34 s	Kotlin	2023-05-16 02:24:57
8	Phường Lên	0.38 s	Kotlin	2020-03-21 04:50:07
9	Sam Keyser	0.41 s	Kotlin	2022-04-11 06:35:02

#	User	Runtime	Language	Date
1	Renate	0.59 s	PHP	2023-08-31 12:28:41

#	User	Runtime	Language	Date
1	Andreas Serra	0.12 s	Python 2	2013-05-18 14:45:02
2	Noah Ó Donnaile	0.22 s	Python 2	2018-04-16 15:54:49
3	Ciara Godwin	0.22 s	Python 2	2018-04-16 16:40:43
4	Hermon Mulat	0.23 s	Python 2	2017-07-30 22:10:26
5	James Hamm	0.23 s	Python 2	2018-04-16 20:00:34
6	Денис Соболев	0.23 s	Python 2	2019-05-02 17:48:14
7	Sebastian Boldsen Jakobsen	0.23 s	Python 2	2019-11-20 19:11:09
8	Suchi Amalapurapu	0.23 s	Python 2	2020-03-30 11:25:35
9	William Taylor-Melanson	0.23 s	Python 2	2020-07-12 20:16:26
10	Hidden user	0.24 s	Python 2	2016-04-03 16:40:56

#	User	Runtime	Language	Date
1	Niklas Sandén	0.07 s	Python 3	2023-07-05 00:50:32
2	Teodor Bucht	0.08 s	Python 3	2023-07-04 09:19:53
3	Victor Song	0.15 s	Python 3	2021-06-19 13:51:48
4	Yip Jung Hon	0.18 s	Python 3	2021-06-12 16:03:06
5	Christian Blumenthal	0.19 s	Python 3	2023-08-22 01:03:16
6	Sidharth Sundar	0.22 s	Python 3	2023-02-12 17:15:14
7	Raymond Christopher	0.22 s	Python 3	2024-01-07 17:41:13
8	Florian ten Napel	0.22 s	Python 3	2024-11-27 21:01:32
9	UTM CS AI	0.24 s	Python 3	2024-10-02 23:03:54
10	Jan Pogačar	0.24 s	Python 3	2025-04-20 22:28:49

#	User	Runtime	Language	Date
1	Thomas Feld	0.56 s	Ruby	2023-01-27 14:09:44
2	Lee Tze Han	0.92 s	Ruby	2018-06-16 17:22:09

#	User	Runtime	Language	Date
1	Lucas Towers	0.12 s	Rust	2020-10-04 08:22:10
2	Muhammad Rais Fathin Mudzakir	0.12 s	Rust	2021-06-16 17:59:51
3	Artur Khuziakhmetov	0.12 s	Rust	2022-07-27 13:35:13
4	Hidden user	0.13 s	Rust	2020-03-15 15:05:33
5	Isak Jägberg	0.25 s	Rust	2022-01-11 10:39:22

#	User	Length	Language	Date
1	a_b__c	139	C	2021-01-28 05:26:17
2	pengin	199	C	2021-10-05 13:25:53
3	Jesper Särnesjö	203	C	2007-12-04 14:18:55
4	Christian Adåker	226	C	2007-12-25 18:12:56
5	Johan Sannemo	242	C	2011-07-30 01:56:41
6	Lionel KITIHOUN	262	C	2017-09-16 17:46:04
7	Hidden user	266	C	2007-12-11 20:33:06
8	Will Cosley	272	C	2023-11-01 21:13:40
9	Hidden user	273	C	2017-11-25 00:52:10
10	Rajul Srivastava	281	C	2020-11-14 17:07:07

#	User	Length	Language	Date
1	Rasmus Brants	576	C#	2017-05-22 14:18:42
2	Petra Marc	729	C#	2016-12-12 16:48:15
3	Ugnius Skučas	811	C#	2016-10-15 14:04:30
4	Tin Pavelić	1075	C#	2016-03-08 16:54:48
5	Hidden user	1096	C#	2017-01-03 03:04:05
6	Daniel Materowski	2045	C#	2016-10-26 00:57:48
7	Patrik Lilja	3358	C#	2015-01-14 00:52:38
8	Johan Litsfeldt	3375	C#	2021-03-20 22:05:52
9	Andrzej Krajniak	3399	C#	2016-10-21 11:45:45

#	User	Length	Language	Date
1	Joey Sherrill	136	C++	2025-03-07 23:54:56
2	Neal Zane	174	C++	2015-12-25 08:42:52
3	David Wärn	180	C++	2015-06-01 18:18:33
4	Håkan Terelius	182	C++	2007-12-03 22:41:23
5	David Avellan-Hultman	183	C++	2016-04-08 19:32:09
6	Chuck Fernández	184	C++	2016-11-25 22:52:55
7	Khawla Hbiech	193	C++	2019-03-14 10:25:52
8	Evan Michael Bailey	200	C++	2023-06-30 18:40:27
9	Lorena Hantig	201	C++	2021-07-05 10:25:20
10	Taulant Arapi	204	C++	2019-01-23 14:25:27

#	User	Length	Language	Date
1	Hidden user	319	Go	2019-02-17 00:03:27
2	Patrik Lilja	377	Go	2015-01-14 00:28:30
3	Norbert Voelker	484	Go	2023-03-22 14:48:32

#	User	Length	Language	Date
1	Jonathan Erikson	189	Haskell	2021-04-11 20:26:02
2	Christian Leipe	288	Haskell	2016-03-09 12:39:24
3	Brent Yorgey	369	Haskell	2018-04-14 08:05:48
4	Evan Wilde	391	Haskell	2017-03-09 05:13:53
5	Kári Tristan Helgason	423	Haskell	2014-12-10 12:24:12
6	Oskar Segersvärd	2535	Haskell	2015-01-10 13:42:28
7	Fulano de Tal	5589	Haskell	2022-01-20 01:27:52

#	User	Length	Language	Date
1	Evan Michael Bailey	306	Java	2021-09-17 23:20:34
2	Staffan Rydström	326	Java	2011-12-25 19:53:57
3	Hidden user	331	Java	2017-11-25 00:53:41
4	Doug Goodman	343	Java	2018-03-07 21:07:09
5	Adrian Koretski	349	Java	2017-11-25 00:51:59
6	Jasper Pillejera	357	Java	2019-02-02 09:30:08
7	Michael Bradet-Legris	374	Java	2016-02-18 01:11:41
8	Xun Su	377	Java	2016-11-04 23:17:42
9	Hidden user	387	Java	2017-03-28 13:30:08
10	Max Rosen	395	Java	2017-11-25 00:54:50

#	User	Length	Language	Date
1	Hidden user	498	JavaScript (Node.js)	2019-03-07 16:24:57

#	User	Length	Language	Date
1	Jimmy Gustafsson	86	JavaScript (SpiderMonkey)	2022-09-07 22:16:49
2	Christian Cederquist	193	JavaScript (SpiderMonkey)	2023-03-18 07:57:50
3	Johannes Jensen	340	JavaScript (SpiderMonkey)	2020-12-04 15:50:34
4	Isaac Saffold	659	JavaScript (SpiderMonkey)	2018-08-13 05:08:47
5	Bjørn Chr. Soltvedt	122208	JavaScript (SpiderMonkey)	2022-12-22 23:46:40

#	User	Length	Language	Date
1	Noszály Csaba	98	Julia	2025-03-20 18:41:37
2	Alexandre Charland	181	Julia	2025-02-20 16:56:45

#	User	Length	Language	Date
1	Kelly Dance	235	Kotlin	2022-10-13 17:38:26
2	Phường Lên	298	Kotlin	2020-03-21 04:50:07
3	Aksel Holbek Sørbye	333	Kotlin	2023-09-14 21:43:42
4	Jacob Huebner	495	Kotlin	2022-04-11 06:47:37
5	Adam Koprowski	497	Kotlin	2021-05-30 22:35:40
6	Adam Rankin	508	Kotlin	2023-05-15 07:18:51
7	Hidden user	811	Kotlin	2020-02-07 00:52:00
8	Whitt Sanders	870	Kotlin	2023-05-16 02:24:57
9	Sam Keyser	1047	Kotlin	2022-04-11 06:35:02

#	User	Length	Language	Date
1	Renate	278	PHP	2023-08-31 12:38:54

#	User	Length	Language	Date
1	Thomas Feld	126	Python 2	2020-06-22 22:26:06
2	Lars Åström	143	Python 2	2018-11-05 23:34:45
3	Marco Zamboni	154	Python 2	2019-01-26 12:47:00
4	Hidden user	155	Python 2	2016-04-03 16:40:56
5	Jay Deng	155	Python 2	2018-09-18 01:05:43
6	Miguel Alfageme Sanchez	156	Python 2	2017-03-10 03:48:40
7	Jon Pavelich	160	Python 2	2019-03-12 02:51:05
8	Balder Sandstrøm	160	Python 2	2019-10-04 00:39:17
9	Yang Li	160	Python 2	2018-06-09 00:10:41
10	Harry Smidt	173	Python 2	2018-10-14 10:37:08

#	User	Length	Language	Date
1	Sterling Smith	70	Python 3	2025-03-08 00:14:24
2	Benjamin Z White	71	Python 3	2023-07-11 22:12:13
3	Peter Stauder	74	Python 3	2023-05-14 15:30:40
4	Kévin Dubrulle	89	Python 3	2025-03-14 08:44:06
5	Andreas Björklund	90	Python 3	2023-06-30 20:07:34
6	Bo Stokes	91	Python 3	2024-10-29 16:59:02
7	Christofer Ohlsson	91	Python 3	2022-10-20 19:20:51
8	Ahmed Chamseddine	94	Python 3	2025-07-01 11:55:58
9	Lee Isaac	97	Python 3	2022-11-14 15:36:32
10	Julius Thunström	101	Python 3	2023-07-05 21:20:11

#	User	Length	Language	Date
1	Thomas Feld	60	Ruby	2023-01-27 14:17:54
2	Lee Tze Han	259	Ruby	2018-06-16 17:22:09

#	User	Length	Language	Date
1	Artur Khuziakhmetov	444	Rust	2022-07-27 13:35:13
2	Lucas Towers	466	Rust	2020-10-04 08:22:10
3	Isak Jägberg	621	Rust	2022-01-11 10:39:22
4	Hidden user	662	Rust	2020-03-15 15:05:33
5	Muhammad Rais Fathin Mudzakir	4011	Rust	2021-06-16 17:59:51

Solution running time distribution