Problem D
Vauvau — Problem Statistics

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Submissions	4203
Accepted submissions	2351
Submission ratio	55.94%
Authors	2315
Full solves [?]	2133
Full solve Ratio	92.14%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-05-24 13:39:31

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-09 17:44:43

#	User	Runtime	Language	Date
1	Ludwig Hedeby	0.01 s	C#	2016-10-21 21:50:02
2	Roxanne Baker	0.01 s	C#	2017-09-18 15:39:14
3	Łukasz Organiściak	0.01 s	C#	2017-09-21 01:13:17
4	Lukasz	0.01 s	C#	2017-09-21 01:14:14
5	Faisal Rahman	0.01 s	C#	2017-11-13 18:12:36
6	masosz	0.02 s	C#	2015-01-24 15:35:07
7	Mads Storm Hansen	0.02 s	C#	2015-07-18 22:19:34
8	Jonas S	0.02 s	C#	2015-08-24 18:51:33
9	Benjamin Pintér	0.02 s	C#	2016-05-24 15:37:32
10	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-06-02 20:00:48

#	User	Runtime	Language	Date
1	Oisín Mac Fhearaí	0.00 s	Crystal	2024-08-24 00:22:16

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-10-13 10:41:01
2	dix	0.06 s	F#	2024-11-19 17:56:16

#	User	Runtime	Language	Date
1	Leoš Absatz	0.02 s	Go	2020-11-16 12:57:25
2	Norbert Voelker	0.02 s	Go	2021-04-22 20:51:57
3	Ian Howell	0.08 s	Go	2016-06-07 02:40:09
4	Hussein Al Abry	0.08 s	Go	2017-02-28 20:53:23
5	Krzysztof Gibuła	0.08 s	Go	2021-04-20 00:02:18

#	User	Runtime	Language	Date
1	Rene Argento	0.04 s	Java	2025-10-10 21:39:11
2	Erik Odenman	0.05 s	Java	2011-04-04 12:24:04
3	Ashkan Jahanbakhsh	0.05 s	Java	2011-11-15 14:01:04
4	Hanif Farahmand Mokarremi	0.05 s	Java	2011-11-15 14:19:35
5	Simon Klein	0.05 s	Java	2011-11-15 20:58:58
6	Henrik Sandström	0.05 s	Java	2015-01-13 20:23:45
7	Dennis Ang	0.05 s	Java	2015-10-05 13:55:15
8	Nick Wu	0.05 s	Java	2015-10-08 01:42:51
9	Erich Wu	0.05 s	Java	2015-11-09 15:47:55
10	Michel Langeveld	0.05 s	Java	2015-12-09 09:40:05

#	User	Runtime	Language	Date
1	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-28 00:07:56
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-16 09:16:26
3	Samuel Högfeldt	0.09 s	JavaScript (Node.js)	2022-08-03 12:32:27
4	Jeremiah Ang	0.42 s	JavaScript (Node.js)	2020-09-10 04:15:11
5	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-13 15:34:51
6	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-24 14:26:04
7	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-03-05 00:08:10
8	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-12-11 09:08:08

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-23 13:50:46
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-11 21:27:24
3	Sérgio Crisóstomo	0.01 s	JavaScript (SpiderMonkey)	2016-10-07 00:17:38
4	Piotr Karpala	0.01 s	JavaScript (SpiderMonkey)	2017-09-23 06:37:22
5	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-21 22:20:18
6	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-18 12:26:51
7	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-10-24 17:27:43
8	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-12 23:07:35
9	Johannes Jensen	0.03 s	JavaScript (SpiderMonkey)	2020-12-04 14:23:31

#	User	Runtime	Language	Date
1	Hidden user	0.44 s	Julia	2025-09-01 18:54:11
2	Timothy Gaede	0.62 s	Julia	2024-04-18 07:58:43
3	Danny Robinson	0.68 s	Julia	2023-09-09 17:28:07

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2022-03-03 09:03:19
2	Michail Yaromenko	0.13 s	Kotlin	2022-05-23 18:43:49
3	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-30 17:15:52
4	Adam Rankin	0.18 s	Kotlin	2023-05-04 21:19:04
5	Neil Harmon	0.19 s	Kotlin	2019-04-19 12:23:39
6	Adhemar Botelo	0.19 s	Kotlin	2021-05-19 15:15:40
7	Sergey Jakobsen	0.19 s	Kotlin	2021-06-06 23:08:41
8	Sean Hagen	0.19 s	Kotlin	2021-08-23 21:29:35
9	Ahmed Waseem Saeed	0.19 s	Kotlin	2021-12-25 22:07:01
10	Nick Ivanov	0.20 s	Kotlin	2018-03-07 17:42:27

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Pascal	2011-04-03 21:21:28

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-03-27 21:33:30
2	Barthó Levente	0.01 s	PHP	2018-06-28 09:11:41
3	cojonas1	0.01 s	PHP	2021-02-02 16:17:51
4	Renate	0.01 s	PHP	2023-08-10 02:02:23
5	Susanne Ragnemalm	0.01 s	PHP	2024-05-08 11:35:08

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-01-21 01:15:24
2	Hadi Qovaizi	0.01 s	Prolog	2016-05-01 16:41:51
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-15 10:40:52

#	User	Runtime	Language	Date
1	Paulo Bu	0.02 s	Python 2	2015-01-23 16:52:14
2	Christofer Ohlsson	0.02 s	Python 2	2015-04-03 10:31:05
3	Jonas Kylling	0.02 s	Python 2	2015-05-06 20:05:22
4	Team Baud	0.02 s	Python 2	2015-09-08 18:12:52
5	Hans Rusten	0.02 s	Python 2	2015-10-26 14:22:23
6	Frederik Højholt	0.02 s	Python 2	2015-12-15 15:38:18
7	Denis Godunov	0.02 s	Python 2	2016-03-01 21:20:10
8	Tin Anh Nguyen	0.02 s	Python 2	2016-03-12 22:15:55
9	Alvaro Silvino	0.02 s	Python 2	2016-03-26 05:34:40
10	Hasan Ramezani	0.02 s	Python 2	2016-06-27 17:47:35

#	User	Runtime	Language	Date
1	Saša Levstik	0.02 s	Python 3	2015-05-18 12:55:00
2	James Elías Sigurðarson	0.02 s	Python 3	2015-06-03 23:32:45
3	Ziga Staresinic	0.02 s	Python 3	2015-09-09 16:03:23
4	Wayne	0.02 s	Python 3	2016-01-30 20:22:55
5	Øyvind Johansen Amundrud	0.02 s	Python 3	2016-02-19 19:05:16
6	Clint Nieuwendijk	0.02 s	Python 3	2016-02-21 16:58:00
7	Kyle Verhoog	0.02 s	Python 3	2016-02-26 08:01:25
8	Tina Zwittnig	0.02 s	Python 3	2016-03-12 09:20:34
9	Oskar Haarklou Veileborg	0.02 s	Python 3	2016-03-24 15:13:49
10	Magnus Thomé	0.02 s	Python 3	2016-04-29 22:07:43

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-27 15:27:59
2	Kellen Watt	0.03 s	Ruby	2016-06-04 21:39:40
3	Erik Rydbert	0.03 s	Ruby	2016-07-06 12:55:25
4	Hidden user	0.03 s	Ruby	2016-08-13 09:28:23
5	Brandon Ibbotson	0.03 s	Ruby	2017-03-17 22:25:03
6	Clifford Owino	0.03 s	Ruby	2017-05-24 12:33:22
7	Hidden user	0.05 s	Ruby	2022-01-22 17:59:45
8	Emil Kneutgen	0.05 s	Ruby	2022-01-22 21:13:48
9	Thomas Feld	0.06 s	Ruby	2023-03-10 12:38:33
10	Lasse Berglund	0.07 s	Ruby	2016-03-30 13:16:19

#	User	Length	Language	Date
1	Thomas Feld	79	APL	2023-05-24 13:41:56

#	User	Length	Language	Date
1	Danny Robinson	105	Bash	2023-09-09 17:44:43

#	User	Length	Language	Date
1	Hidden user	327	C	2014-11-01 18:37:02
2	Velvet	357	C	2020-12-09 10:35:56
3	Magnus Wass	373	C	2020-04-01 11:20:53
4	Matthew Weston	414	C	2022-02-05 18:18:28
5	test	416	C	2025-02-27 19:22:35
6	Sambit Palit	422	C	2020-10-19 01:46:50
7	Johan Öhlin	426	C	2017-09-18 15:46:50
8	Hidden user	461	C	2017-11-27 04:54:45
9	Leslie Yip	461	C	2022-08-24 11:29:43
10	winnie the pooh	462	C	2021-06-19 09:15:00

#	User	Length	Language	Date
1	Gregory Sinclair	620	C#	2023-09-21 22:31:47
2	Kunwei Zhang	676	C#	2018-02-15 09:15:06
3	Göran Andersson	689	C#	2022-05-15 22:23:51
4	Esty Crow	709	C#	2024-02-10 12:34:48
5	Ugnius Skučas	710	C#	2016-10-07 09:45:24
6	Thomas Norris	761	C#	2019-10-04 16:02:59
7	Anthony Ye	773	C#	2024-02-18 20:10:10
8	Deci Bel	856	C#	2025-05-02 22:41:00
9	Robert Low	905	C#	2016-07-14 22:32:51
10	Viktor Máni Mönster	1062	C#	2017-03-11 13:02:46

#	User	Length	Language	Date
1	Frans Meulenbroeks	188	C++	2024-10-25 17:44:40
2	Evan Magill	217	C++	2023-09-22 01:37:28
3	Sean Malloy	232	C++	2023-09-22 00:13:15
4	Johan Wind	281	C++	2018-04-01 01:19:04
5	Chen Zhe	311	C++	2020-04-15 18:30:29
6	Antonio Molina Lovett	318	C++	2016-08-06 05:32:38
7	William Gan	322	C++	2017-02-05 15:18:39
8	Herman Karlsson	323	C++	2015-04-08 23:47:11
9	traxex	326	C++	2021-11-30 18:26:47
10	Giang Đào	332	C++	2018-10-03 10:59:14

#	User	Length	Language	Date
1	Oisín Mac Fhearaí	205	Crystal	2024-08-24 00:22:16

#	User	Length	Language	Date
1	dix	420	F#	2024-11-19 17:56:16
2	Jacob Harris Cryer Kragh	950	F#	2022-10-13 10:41:01

#	User	Length	Language	Date
1	Hussein Al Abry	485	Go	2017-02-28 20:53:23
2	Leoš Absatz	512	Go	2020-11-16 12:57:25
3	Krzysztof Gibuła	771	Go	2021-04-20 00:02:18
4	Norbert Voelker	845	Go	2021-04-22 20:51:57
5	Ian Howell	933	Go	2016-06-07 02:40:09

#	User	Length	Language	Date
1	Birk Tjelmeland	232	Haskell	2017-01-09 07:51:37
2	Sebastian Banert	254	Haskell	2023-09-26 23:53:41
3	Llaurence Git	304	Haskell	2018-11-09 09:46:21
4	Steinar Simonnes	345	Haskell	2023-10-01 00:11:59
5	Christopher Whelan	360	Haskell	2025-01-27 21:16:14
6	Miguel Müller	367	Haskell	2017-11-19 18:03:36
7	Lars Tveito	368	Haskell	2015-09-27 18:52:31
8	Gabriel Skoglund	393	Haskell	2020-01-13 17:42:01
9	Håkon Flatval	417	Haskell	2018-09-02 17:50:24
10	Anthony Clays	500	Haskell	2017-01-07 19:06:16

#	User	Length	Language	Date
1	John Hershey	389	Java	2023-09-26 16:47:12
2	Doug Goodman	406	Java	2018-06-10 19:07:14
3	Qritel Abdelilah	498	Java	2017-05-23 00:00:43
4	Eric Leow Yu Quan	545	Java	2020-12-01 02:51:06
5	The_bomber	550	Java	2021-05-20 18:40:06
6	Jan Štola	559	Java	2015-05-07 17:41:22
7	Mitch Price	559	Java	2016-10-09 21:47:49
8	Dante Camarena	560	Java	2016-04-07 03:53:28
9	Natalie Axelsson	560	Java	2017-06-10 14:37:02
10	Ali Pervaiz	590	Java	2019-03-25 14:06:31

#	User	Length	Language	Date
1	Jeremiah Ang	541	JavaScript (Node.js)	2020-09-10 04:15:11
2	Samuel Högfeldt	777	JavaScript (Node.js)	2022-08-03 12:32:27
3	Howard Tin Chi Chan	936	JavaScript (Node.js)	2021-03-05 00:08:10
4	Andoko Chandra	944	JavaScript (Node.js)	2020-10-13 15:34:51
5	Chris Wong	1026	JavaScript (Node.js)	2021-02-24 14:26:04
6	Sander Hellesø	1328	JavaScript (Node.js)	2019-04-16 09:16:26
7	Carl Sundvall	1506	JavaScript (Node.js)	2018-10-28 00:07:56
8	Khin Nyunt	1872	JavaScript (Node.js)	2021-12-11 09:08:08

#	User	Length	Language	Date
1	Jimmy Gustafsson	168	JavaScript (SpiderMonkey)	2024-08-12 23:07:35
2	Peter Menyes	419	JavaScript (SpiderMonkey)	2021-08-21 22:20:18
3	Bjørn Chr. Soltvedt	501	JavaScript (SpiderMonkey)	2016-02-11 21:27:24
4	Johannes Jensen	660	JavaScript (SpiderMonkey)	2020-12-04 14:23:31
5	Peter Kedemo	665	JavaScript (SpiderMonkey)	2015-12-23 13:50:46
6	Sérgio Crisóstomo	675	JavaScript (SpiderMonkey)	2016-10-07 00:17:38
7	Håkan Lindahl	959	JavaScript (SpiderMonkey)	2022-06-18 12:26:51
8	Christian Pilegaard Cederquist	1349	JavaScript (SpiderMonkey)	2022-10-24 17:27:43
9	Piotr Karpala	3626	JavaScript (SpiderMonkey)	2017-09-23 06:37:22

#	User	Length	Language	Date
1	Danny Robinson	127	Julia	2023-09-09 17:28:07
2	Hidden user	129	Julia	2025-09-01 20:08:48
3	Timothy Gaede	1569	Julia	2024-04-18 07:58:43

#	User	Length	Language	Date
1	Sergey Jakobsen	403	Kotlin	2021-06-06 23:08:41
2	Adam Rankin	521	Kotlin	2023-05-04 21:19:04
3	Troy Warmboe	573	Kotlin	2020-02-11 21:18:37
4	Adhemar Botelo	681	Kotlin	2021-05-19 15:15:40
5	Dayan Ruben Gonzalez	693	Kotlin	2020-09-30 17:15:52
6	Einar Kjellback	757	Kotlin	2019-12-13 18:38:43
7	Aleksander	785	Kotlin	2024-11-26 16:10:15
8	Michail Yaromenko	835	Kotlin	2022-05-23 18:43:49
9	Ahmed Waseem Saeed	858	Kotlin	2021-12-25 22:07:01
10	Taylor South	888	Kotlin	2025-03-25 22:14:51

#	User	Length	Language	Date
1	Hidden user	429	Pascal	2011-04-03 21:21:28

#	User	Length	Language	Date
1	Steven D. Wilson	501	PHP	2016-03-27 21:33:30
2	Renate	619	PHP	2023-08-10 02:02:23
3	cojonas1	882	PHP	2021-02-02 16:17:51
4	Susanne Ragnemalm	931	PHP	2024-05-08 11:35:08
5	Barthó Levente	1447	PHP	2018-06-28 09:11:41

#	User	Length	Language	Date
1	Hakan Kjellerstrand	352	Prolog	2023-02-15 10:40:52
2	Andriy Zyevakov	1331	Prolog	2016-01-21 01:15:24
3	Hadi Qovaizi	16433	Prolog	2016-05-01 16:41:51

#	User	Length	Language	Date
1	Thomas Feld	136	Python 2	2019-08-23 10:57:10
2	Harald Andersson	151	Python 2	2017-06-15 11:37:18
3	Jonas Kylling	214	Python 2	2015-05-06 20:05:22
4	Justin Su	215	Python 2	2017-09-26 20:35:26
5	Haggai Liu	231	Python 2	2016-12-23 06:23:54
6	Jesper Öqvist	263	Python 2	2018-10-21 11:13:27
7	Andreas Björklund	282	Python 2	2019-12-09 16:44:08
8	Siri Dovner	288	Python 2	2016-12-04 10:08:07
9	Hasan Ramezani	296	Python 2	2016-06-27 17:47:35
10	Muzakhir Amanzholov	300	Python 2	2017-02-07 18:45:36

#	User	Length	Language	Date
1	Benjamin Z White	108	Python 3	2023-05-20 17:30:23
2	Lee Yi Heng	122	Python 3	2024-03-24 16:39:38
3	Si Jie Tan	133	Python 3	2026-01-10 10:55:34
4	Harry Zhang	136	Python 3	2023-06-27 09:23:07
5	Ahmad Dzuizz Annajib	137	Python 3	2025-01-05 09:48:54
6	Tai Tze Kin	146	Python 3	2024-05-06 11:02:35
7	Clement Oh	158	Python 3	2023-09-18 06:19:52
8	Brandon Zhang	161	Python 3	2022-05-18 04:32:13
9	Artur Khuziakhmetov	169	Python 3	2025-01-29 15:15:51
10	Sean Malloy	170	Python 3	2023-09-22 00:38:24

#	User	Length	Language	Date
1	Thomas Feld	110	Ruby	2023-05-24 13:36:21
2	Erik Rydbert	411	Ruby	2016-07-06 12:55:25
3	Clifford Owino	436	Ruby	2017-05-24 12:33:22
4	Kellen Watt	461	Ruby	2016-06-04 21:39:40
5	Casper Christensen	477	Ruby	2016-02-27 15:27:59
6	Lasse Berglund	530	Ruby	2016-03-30 13:16:19
7	Hidden user	555	Ruby	2016-08-13 09:28:23
8	Hidden user	592	Ruby	2022-01-22 17:59:45
9	Brandon Ibbotson	790	Ruby	2017-03-17 22:25:03
10	Emil Kneutgen	1437	Ruby	2022-01-22 21:13:48

#	User	Length	Language	Date
1	Vincent Lagerros	630	Rust	2025-06-12 18:32:26
2	Kok Dith	720	Rust	2021-08-14 16:56:00
3	Freek van Keulen	873	Rust	2021-07-25 07:57:21
4	David Rasch	885	Rust	2021-03-04 17:22:09
5	Bas Dirks	885	Rust	2022-01-04 00:19:27
6	Morten Raeburn	990	Rust	2021-11-18 04:03:11
7	Adam Grady	1147	Rust	2021-09-06 22:41:29
8	Eric Pinter	1309	Rust	2022-05-23 06:37:34
9	Leonardo Gurgel	1446	Rust	2021-06-12 06:22:49
10	Lukman	1578	Rust	2021-09-11 10:37:34

Solution running time distribution