Problem I
Karte — Problem Statistics

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Submissions	6228
Accepted submissions	3479
Submission ratio	55.86%
Authors	3355
Accepted authors	3180
Author ratio	94.78%

#	User	Runtime	Language	Date
1	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-05-09 15:39:20
2	Patrick Sjöö	0.02 s	C#	2016-06-15 12:40:35
3	Robert Low	0.02 s	C#	2016-07-13 09:38:03
4	Duelene Olson	0.02 s	C#	2016-08-12 21:58:10
5	Adam Striegel	0.02 s	C#	2016-09-27 21:11:23
6	Ugnius Skučas	0.02 s	C#	2016-10-02 21:53:26
7	Jonathan Walker	0.02 s	C#	2016-10-13 14:41:29
8	Robert Kyrk	0.02 s	C#	2016-10-24 23:03:51
9	Jens Mossig	0.02 s	C#	2017-02-12 15:19:31
10	Shaun Lazaro	0.02 s	C#	2017-03-05 08:00:45

#	User	Runtime	Language	Date
1	Adrian Bay Dorph	0.05 s	F#	2022-02-02 18:20:56
2	Jacob Harris Cryer Kragh	0.05 s	F#	2022-06-06 16:39:09
3	Patrick Bahr	0.06 s	F#	2021-02-21 23:03:16

#	User	Runtime	Language	Date
1	Daniel Gutierrez Duarte	0.04 s	Java	2025-03-03 20:01:24
2	Sebastian Gedin	0.05 s	Java	2016-03-08 18:41:50
3	Gustaf Pihl	0.05 s	Java	2016-03-11 00:14:27
4	Erik Nyström	0.05 s	Java	2016-03-13 11:01:51
5	Hidden user	0.05 s	Java	2016-03-16 10:15:03
6	Love Engman	0.05 s	Java	2016-03-25 11:50:33
7	Yordan Yordanov	0.05 s	Java	2016-03-26 13:13:06
8	Stasiek Abyszkin	0.05 s	Java	2016-03-26 13:16:07
9	Marek Matejka	0.05 s	Java	2016-03-26 13:33:37
10	Nick Wu	0.05 s	Java	2016-04-03 08:00:05

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-21 02:47:50
2	Thomas Wingsternes	0.09 s	JavaScript (Node.js)	2022-11-09 12:41:23
3	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-07 20:23:36
4	Michael Zetterholm	0.42 s	JavaScript (Node.js)	2020-09-25 13:38:02
5	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-08 18:00:43
6	Ryoki Kunii	0.42 s	JavaScript (Node.js)	2020-10-09 05:03:48
7	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2020-10-18 04:32:35
8	John	0.42 s	JavaScript (Node.js)	2021-02-28 00:47:48
9	Niamh Limerick	0.43 s	JavaScript (Node.js)	2022-02-19 14:00:11

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-03-17 00:51:55
2	Gabriel Lau	0.01 s	JavaScript (SpiderMonkey)	2016-04-01 06:15:54
3	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-03 17:20:20
4	Mark Bouchkevitch	0.01 s	JavaScript (SpiderMonkey)	2016-08-07 03:32:59
5	J M	0.01 s	JavaScript (SpiderMonkey)	2016-10-06 21:23:22
6	Michel Langeveld	0.01 s	JavaScript (SpiderMonkey)	2016-10-20 22:25:13
7	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-11-14 09:11:18
8	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2016-11-28 17:11:43
9	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-06-07 00:30:46
10	Michael Hjortholt	0.01 s	JavaScript (SpiderMonkey)	2017-07-11 00:39:36

#	User	Runtime	Language	Date
1	Danny Robinson	0.68 s	Julia	2023-06-24 00:42:57
2	Timothy Gaede	0.70 s	Julia	2024-04-01 07:12:34

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.16 s	Kotlin	2022-04-09 02:26:18
2	Dmitry Shostak	0.18 s	Kotlin	2018-08-21 12:05:45
3	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-03 20:52:36
4	Ahmed Waseem Saeed	0.19 s	Kotlin	2021-12-25 21:20:03
5	Adam Rankin	0.19 s	Kotlin	2023-05-04 20:25:32
6	Neil Harmon	0.20 s	Kotlin	2019-04-26 16:08:40
7	Albert Pala	0.20 s	Kotlin	2021-07-03 22:42:32
8	Johnny Baloney	0.20 s	Kotlin	2021-10-19 22:40:01
9	Zaw Myat	0.20 s	Kotlin	2024-01-28 09:46:01
10	Troy Warmboe	0.22 s	Kotlin	2020-02-11 17:53:43

#	User	Runtime	Language	Date
1	Nino Bašić	0.00 s	Nim	2024-11-13 19:11:17

#	User	Runtime	Language	Date
1	Gavin Gray	0.00 s	OCaml	2021-06-09 19:19:13
2	Fredrik Eriksson	0.00 s	OCaml	2024-10-13 22:06:58

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-29 00:53:53

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-08-18 17:18:02
2	Ingemar Ragnemalm	0.00 s	Pascal	2017-11-28 13:58:01

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-25 09:37:25

#	User	Runtime	Language	Date
1	Ali Pandidan	0.01 s	PHP	2016-10-29 11:05:18
2	Steven D. Wilson	0.01 s	PHP	2016-11-17 03:32:57
3	Silvena Lam	0.01 s	PHP	2017-07-05 18:24:44
4	cojonas1	0.01 s	PHP	2021-01-14 09:09:47
5	Renate	0.01 s	PHP	2021-04-30 18:22:08
6	Andre Wahyudi	0.01 s	PHP	2022-12-01 10:18:04

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-05-11 18:02:03
2	Andriy Zyevakov	0.01 s	Prolog	2018-11-13 22:36:28
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-03 00:12:02

#	User	Runtime	Language	Date
1	Olof Heurgren	0.02 s	Python 2	2016-05-16 12:19:49
2	Erik Sillén	0.02 s	Python 2	2016-05-30 15:31:09
3	Marko Lazic	0.02 s	Python 2	2016-06-14 16:20:21
4	Hasan Ramezani	0.02 s	Python 2	2016-06-21 13:08:47
5	Frederik Højholt	0.02 s	Python 2	2016-07-20 21:38:56
6	Hidden user	0.02 s	Python 2	2016-07-27 15:26:21
7	Marcus Johansson	0.02 s	Python 2	2016-08-13 09:37:25
8	Denis Godunov	0.02 s	Python 2	2016-08-19 12:32:30
9	Maksym Bendeberia	0.02 s	Python 2	2016-08-19 13:05:55
10	Matteo Piano	0.02 s	Python 2	2016-08-28 21:59:54

#	User	Runtime	Language	Date
1	Robert Welin-Berger	0.02 s	Python 3	2016-03-08 18:33:37
2	Wayne	0.02 s	Python 3	2016-03-29 22:36:47
3	Sigurður Helgason	0.02 s	Python 3	2016-03-31 12:04:17
4	Óðinn Eyjólfsson	0.02 s	Python 3	2016-04-05 16:30:38
5	Bernhard Kartefla	0.02 s	Python 3	2016-04-06 14:32:43
6	Bjarki Stefánsson	0.02 s	Python 3	2016-04-12 19:06:26
7	Martin Stensgård	0.02 s	Python 3	2016-05-02 10:15:16
8	Magnus Thomé	0.02 s	Python 3	2016-05-10 13:56:52
9	Anton Åkerman	0.02 s	Python 3	2016-05-10 23:21:05
10	Mouhssine Assaoud	0.02 s	Python 3	2016-05-11 17:25:00

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-30 20:02:25
2	Kellen Watt	0.03 s	Ruby	2016-06-04 05:25:36
3	Erik Rydbert	0.03 s	Ruby	2016-07-09 15:27:47
4	Chris Weston	0.03 s	Ruby	2016-10-04 00:50:21
5	Clifford Owino	0.03 s	Ruby	2017-05-24 13:30:04
6	Hidden user	0.03 s	Ruby	2017-10-01 23:49:51
7	Julius Putra Tanu Setiaji	0.03 s	Ruby	2018-03-09 05:59:05
8	Hanson Lo	0.03 s	Ruby	2018-04-06 22:33:53
9	Lim Ming Yean	0.05 s	Ruby	2018-11-23 13:39:25
10	Thomas Feld	0.06 s	Ruby	2022-11-08 14:35:31

#	User	Length	Language	Date
1	Martin Blom	291	C	2023-10-18 13:08:11
2	Viet Anh Ho	430	C	2016-05-06 18:20:18
3	劉睿升	594	C	2021-06-12 10:17:21
4	劉睿升	600	C	2021-06-24 16:45:39
5	Oscar Oswaldo Ulloa Flores	625	C	2017-09-01 21:44:18
6	MADHUMITHA K	627	C	2025-04-11 06:57:40
7	Donikon Fajar	651	C	2018-11-13 07:21:20
8	Charly Ruvalcaba Serrano	666	C	2017-09-01 19:58:49
9	Malin Grevillius	695	C	2024-12-20 22:29:32
10	Johan Öhlin	735	C	2017-06-30 08:25:05

#	User	Length	Language	Date
1	Jan Matthiessen	245	C#	2024-04-30 21:29:06
2	Anthony Ye	668	C#	2023-06-18 18:11:26
3	Kunwei Zhang	699	C#	2018-02-04 13:19:53
4	Johnny Sjöö	700	C#	2017-09-03 20:53:11
5	Esty Crow	726	C#	2023-06-17 04:29:20
6	Hidden user	741	C#	2021-06-30 05:16:22
7	veera bhadra	743	C#	2021-07-01 04:21:10
8	Umakanth Sai Balguri	833	C#	2021-02-28 00:11:38
9	Göran Andersson	883	C#	2022-05-08 17:41:37
10	Viktor Máni Mönster	894	C#	2017-10-16 00:52:59

#	User	Length	Language	Date
1	a_b__c	307	C++	2021-08-17 20:03:23
2	Budi Arbenta	381	C++	2017-01-27 09:03:38
3	Antonio Molina Lovett	401	C++	2016-08-05 11:54:22
4	traxex	414	C++	2021-12-06 00:06:27
5	Aidan Smith	417	C++	2018-01-17 03:50:34
6	Frederick Pek	432	C++	2021-06-03 14:52:44
7	Ba Nyar Naing	447	C++	2017-10-09 18:33:52
8	Nenad Čaklović	458	C++	2018-04-14 23:52:39
9	妹様万歳	465	C++	2020-03-23 14:56:42
10	Tien Nguyen Van	468	C++	2019-08-13 12:31:48

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1139	F#	2022-06-06 16:39:09
2	Adrian Bay Dorph	1192	F#	2022-02-02 18:20:56
3	Patrick Bahr	2180	F#	2021-02-21 23:03:16

#	User	Length	Language	Date
1	Bergur Davidsen	314	Go	2024-08-26 22:15:33
2	Hidden user	401	Go	2021-12-17 10:36:04
3	Mats Berger Wierzba	415	Go	2024-08-27 19:12:43
4	Frederik Bertelsen	434	Go	2023-08-30 10:37:58
5	Andreas Just Petersen	443	Go	2021-08-31 09:52:59
6	Jakob Hjalgrim	448	Go	2021-08-31 11:37:00
7	Asmus Tørsleff	458	Go	2021-08-31 14:52:00
8	Mathias Bindslev Hansen	470	Go	2024-08-27 11:36:50
9	Daniel Sølvsten Millard	472	Go	2023-08-30 15:10:02
10	Søren Kastrup	472	Go	2022-08-31 21:57:37

#	User	Length	Language	Date
1	Carl Agrell	327	Haskell	2016-09-29 08:43:03
2	Kristian Rosland	443	Haskell	2016-10-12 19:02:02
3	Brent Yorgey	453	Haskell	2017-10-01 05:07:43
4	Andrew Mark Allen	476	Haskell	2017-03-13 22:53:33
5	Kenneth Runnman	509	Haskell	2018-03-06 16:13:38
6	Hidden user	550	Haskell	2019-08-23 19:21:51
7	Hidden user	562	Haskell	2025-04-05 12:46:00
8	Daniel Cabral	594	Haskell	2023-06-26 06:12:22
9	Owen Shepherd	639	Haskell	2017-06-11 13:40:42
10	Steinar Simonnes	667	Haskell	2024-01-17 17:15:35

#	User	Length	Language	Date
1	Syed Faisal	630	Java	2017-09-13 10:27:28
2	Alex Coleman	634	Java	2018-03-10 06:52:30
3	Mark Anthony Sumpay	648	Java	2017-12-15 17:47:42
4	Doug Goodman	655	Java	2018-01-20 17:40:03
5	Amon Al-khatib	676	Java	2018-03-10 06:59:57
6	Qritel Abdelilah	681	Java	2017-04-25 03:01:29
7	Isabella Sbarra	684	Java	2025-03-14 13:33:31
8	Alberto Alvarez	686	Java	2018-08-17 16:07:26
9	Michael O'Brien	689	Java	2021-08-24 03:30:42
10	Khusant Chhetri	716	Java	2017-04-01 17:54:46

#	User	Length	Language	Date
1	Thomas Wingsternes	658	JavaScript (Node.js)	2022-11-09 12:41:23
2	Hidden user	792	JavaScript (Node.js)	2023-08-23 05:04:05
3	Ryoki Kunii	796	JavaScript (Node.js)	2020-10-09 05:03:48
4	Hovhannes Kantuni	827	JavaScript (Node.js)	2020-10-18 04:32:35
5	Chris Wong	958	JavaScript (Node.js)	2021-02-07 20:23:36
6	Niamh Limerick	1052	JavaScript (Node.js)	2022-02-19 14:00:11
7	Andoko Chandra	1104	JavaScript (Node.js)	2020-10-08 18:00:43
8	Michael Zetterholm	1198	JavaScript (Node.js)	2020-09-25 13:38:02
9	John	1278	JavaScript (Node.js)	2021-02-28 00:47:48

#	User	Length	Language	Date
1	Evan Magill	321	JavaScript (SpiderMonkey)	2024-04-19 04:40:43
2	Christian Cederquist	373	JavaScript (SpiderMonkey)	2022-11-13 16:05:25
3	J M	418	JavaScript (SpiderMonkey)	2016-10-06 21:23:22
4	Jimmy Gustafsson	419	JavaScript (SpiderMonkey)	2024-06-14 00:09:37
5	Bjørn Chr. Soltvedt	421	JavaScript (SpiderMonkey)	2016-03-17 00:51:55
6	Ionel Hindorean	421	JavaScript (SpiderMonkey)	2016-11-28 17:11:43
7	Goran Sherko Jawdat	421	JavaScript (SpiderMonkey)	2018-04-24 14:41:04
8	Sean Patel	421	JavaScript (SpiderMonkey)	2018-05-21 21:18:05
9	Hidden user	421	JavaScript (SpiderMonkey)	2021-01-22 17:35:23
10	Tor Nordqvist	456	JavaScript (SpiderMonkey)	2016-11-14 09:11:18

#	User	Length	Language	Date
1	Danny Robinson	111	Julia	2023-06-24 00:42:57
2	Timothy Gaede	498	Julia	2024-04-01 07:12:34

#	User	Length	Language	Date
1	Troy Warmboe	391	Kotlin	2020-02-11 17:53:43
2	Johnny Baloney	517	Kotlin	2021-10-19 22:40:01
3	Dmitry Shostak	545	Kotlin	2018-08-21 12:05:45
4	Albert Pala	661	Kotlin	2021-07-03 22:42:32
5	Ahmed Waseem Saeed	707	Kotlin	2021-12-25 21:20:03
6	Adam Rankin	724	Kotlin	2023-05-04 20:25:32
7	Dayan Ruben Gonzalez	887	Kotlin	2020-10-03 20:52:36
8	Zaw Myat	954	Kotlin	2024-01-28 09:46:01
9	Neil Harmon	1128	Kotlin	2019-04-26 16:08:40
10	Nicholas Johnson	2180	Kotlin	2022-04-09 02:26:18

#	User	Length	Language	Date
1	Nino Bašić	608	Nim	2024-11-13 19:11:17

#	User	Length	Language	Date
1	Fredrik Eriksson	956	OCaml	2024-10-13 22:06:58
2	Gavin Gray	966	OCaml	2021-06-09 19:19:13

#	User	Length	Language	Date
1	Hidden user	911	Odin	2025-05-29 00:53:53

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1179	Pascal	2017-11-28 13:58:01
2	David Connolly	1615	Pascal	2017-08-18 17:18:02

#	User	Length	Language	Date
1	Saito Ta	88	Perl	2024-04-25 09:37:25

#	User	Length	Language	Date
1	Ali Pandidan	329	PHP	2016-10-29 11:05:18
2	Steven D. Wilson	408	PHP	2016-11-17 03:32:57
3	Renate	554	PHP	2021-04-30 18:22:08
4	Silvena Lam	584	PHP	2017-07-05 18:37:07
5	Andre Wahyudi	944	PHP	2022-12-01 10:18:04
6	cojonas1	953	PHP	2021-01-14 09:09:47

#	User	Length	Language	Date
1	Hakan Kjellerstrand	801	Prolog	2023-02-03 00:12:02
2	Andriy Zyevakov	1696	Prolog	2018-11-13 22:36:28
3	Hadi Qovaizi	6122	Prolog	2016-05-11 18:02:03

#	User	Length	Language	Date
1	Simon Vestin	189	Python 2	2020-02-29 05:30:36
2	Thomas Feld	208	Python 2	2019-08-20 11:13:36
3	Meher Béjaoui	236	Python 2	2017-09-26 19:43:29
4	Andreas Eisele	251	Python 2	2018-10-30 22:30:16
5	Johan Wind	259	Python 2	2017-06-25 20:40:51
6	Yuri Bakulin	284	Python 2	2018-04-06 22:19:07
7	Godmar Back	285	Python 2	2019-01-02 03:58:55
8	Mathis Hammel	287	Python 2	2017-03-02 17:46:37
9	Hasan Ramezani	317	Python 2	2016-06-21 13:08:47
10	Miguel Alfageme Sanchez	320	Python 2	2017-02-05 23:44:34

#	User	Length	Language	Date
1	Jonathan Ståhl	125	Python 3	2024-10-12 22:37:45
2	Kevin Gomez	128	Python 3	2024-06-11 21:57:44
3	Tommi Järvenpää	152	Python 3	2024-03-20 13:31:27
4	Lucas Courteaud	152	Python 3	2024-05-31 10:04:04
5	Lasse Letager Hansen	155	Python 3	2023-07-16 00:01:10
6	Thomas Draper	155	Python 3	2022-12-14 20:47:07
7	Charles Ancheta	158	Python 3	2023-03-28 08:39:55
8	David Worley	160	Python 3	2024-02-03 20:24:00
9	Paco Criado	161	Python 3	2023-07-21 00:24:00
10	Ahmed Chamseddine	170	Python 3	2023-10-24 09:03:47

#	User	Length	Language	Date
1	Russell Ng	78	Ruby	2025-05-31 14:37:11
2	Thomas Feld	89	Ruby	2022-11-08 14:37:53
3	Lim Ming Yean	256	Ruby	2018-11-23 13:39:25
4	Alexander Bilde Pedersen	267	Ruby	2023-04-25 09:36:45
5	Hanson Lo	308	Ruby	2018-04-06 22:33:53
6	Chris Johnson	338	Ruby	2023-02-08 02:25:27
7	Kellen Watt	344	Ruby	2016-06-04 05:25:36
8	Julius Putra Tanu Setiaji	450	Ruby	2018-03-09 05:59:05
9	Clifford Owino	456	Ruby	2017-05-24 13:30:04
10	Hidden user	505	Ruby	2017-10-01 23:49:51

#	User	Length	Language	Date
1	Vincent Lagerros	357	Rust	2024-12-09 01:52:00
2	Bas Dirks	843	Rust	2022-01-01 17:03:37
3	Freek van Keulen	1014	Rust	2021-07-13 08:16:38
4	Pankajkumar Patro	1022	Rust	2024-09-25 19:53:32
5	Kok Dith	1049	Rust	2021-08-02 13:17:32
6	Oskar Strömberg	1052	Rust	2020-10-23 21:43:12
7	Marcel Rød	1158	Rust	2020-09-03 23:17:51
8	Artur Khuziakhmetov	1213	Rust	2022-07-23 14:23:11
9	David Zacek	1214	Rust	2021-05-25 02:59:58
10	Eric Pinter	1453	Rust	2021-07-04 19:29:44

Solution running time distribution