Problem A
Okviri — Problem Statistics

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Submissions	2475
Accepted submissions	1184
Submission ratio	47.84%
Authors	1179
Full solves [?]	1068
Full solve Ratio	90.59%

#	User	Runtime	Language	Date
1	Duelene Olson	0.01 s	C#	2017-06-26 19:25:01
2	Ólafur Andri	0.02 s	C#	2017-03-17 19:01:41
3	Klas af Geijerstam	0.02 s	C#	2017-05-19 21:37:38
4	Hidden user	0.02 s	C#	2017-06-17 22:20:04
5	William Larsson	0.02 s	C#	2018-11-12 14:28:09
6	Mark Liu	0.02 s	C#	2019-04-06 18:32:30
7	Garway Mei	0.02 s	C#	2019-04-08 01:25:27
8	Thomas Norris	0.02 s	C#	2019-10-22 22:26:37
9	Gurpartap Singh Bhatti	0.02 s	C#	2020-03-28 05:24:20
10	Simon Aydin	0.02 s	C#	2020-09-14 18:52:32

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-10-22 16:24:27

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Go	2023-02-12 11:18:02
2	Norbert Voelker	0.08 s	Go	2021-04-29 15:49:49
3	Adrian Bay Dorph	0.08 s	Go	2021-09-10 21:24:44

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-10-15 04:07:06
2	Michał Kopeć	0.00 s	Haskell	2018-01-19 11:40:33
3	Antony Lee	0.00 s	Haskell	2018-01-22 21:02:13
4	Olle Eriksson	0.00 s	Haskell	2018-02-05 20:42:40
5	Håkon Flatval	0.00 s	Haskell	2018-09-03 18:37:58
6	Mason Barnhill	0.00 s	Haskell	2023-04-11 07:53:53
7	Greg Gorlen	0.00 s	Haskell	2023-08-26 17:01:03
8	Steinar Simonnes	0.00 s	Haskell	2024-02-04 17:07:45
9	Matthias Hetzenberger	0.01 s	Haskell	2019-02-09 15:59:23
10	Hidden user	0.01 s	Haskell	2019-08-25 12:49:42

#	User	Runtime	Language	Date
1	Jonas Aule	0.05 s	Java	2010-09-15 19:26:26
2	Hidden user	0.05 s	Java	2017-02-15 17:18:17
3	William Fiset	0.05 s	Java	2017-02-18 03:10:01
4	Nick Wu	0.05 s	Java	2017-03-04 08:11:59
5	Martijn Muijsers	0.05 s	Java	2017-03-05 01:25:37
6	James Black	0.05 s	Java	2017-03-17 20:44:26
7	Ahmad Barhamje	0.05 s	Java	2017-05-15 22:29:22
8	Micah Stairs	0.05 s	Java	2017-05-26 20:07:07
9	Adrian Reithaug	0.05 s	Java	2017-06-28 18:55:04
10	Finn Lidbetter	0.05 s	Java	2017-08-05 17:32:22

#	User	Runtime	Language	Date
1	Daniel Iversen Sato	0.04 s	JavaScript (Node.js)	2024-09-08 18:14:11
2	Samuel Högfeldt	0.09 s	JavaScript (Node.js)	2022-08-04 16:49:52
3	Kemal Elmizan	0.42 s	JavaScript (Node.js)	2020-09-25 06:12:56
4	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-14 16:37:35
5	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-18 19:49:27

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-02-20 23:30:21
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-02-23 19:11:37
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-16 21:54:47
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-22 09:38:36
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-06 12:10:40

#	User	Runtime	Language	Date
1	Elijah Spicer	0.53 s	Julia	2023-05-10 01:57:45
2	Jonas Kompauer	0.60 s	Julia	2023-04-14 23:30:52
3	Timothy Gaede	0.61 s	Julia	2024-04-17 02:18:24

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Kotlin	2017-12-05 17:31:37
2	Adam Rankin	0.17 s	Kotlin	2023-09-13 01:43:42
3	Jacob Huebner	0.18 s	Kotlin	2020-06-25 03:26:20
4	Mike Wilkes	0.19 s	Kotlin	2018-02-12 03:19:18
5	Neil Harmon	0.19 s	Kotlin	2019-05-06 12:40:29
6	Dayan Ruben Gonzalez	0.20 s	Kotlin	2020-10-16 21:42:11
7	Stephen Atwood	0.20 s	Kotlin	2024-03-18 17:17:11
8	Troy Warmboe	0.21 s	Kotlin	2020-02-13 23:37:47
9	Einar Kjellback	0.22 s	Kotlin	2019-12-17 15:54:02

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-19 16:11:43

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2017-07-07 16:10:51
2	Susanne Ragnemalm	0.01 s	PHP	2023-11-19 08:53:36

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2017-02-14 18:40:51
2	Muzakhir Amanzholov	0.02 s	Python 2	2017-03-31 03:06:18
3	Cole Bite	0.02 s	Python 2	2017-05-12 23:20:09
4	Daniel Voina	0.02 s	Python 2	2017-06-25 21:29:17
5	Abdul Zakkar	0.02 s	Python 2	2017-07-13 07:55:09
6	Çağdaş Öztekin	0.02 s	Python 2	2017-09-12 13:05:01
7	Nicholas Joaquin	0.02 s	Python 2	2018-01-09 03:10:11
8	Alex Van Keulen	0.02 s	Python 2	2018-01-29 05:05:43
9	Johan Wind	0.02 s	Python 2	2018-03-20 17:56:38
10	Samuel Perkin	0.02 s	Python 2	2018-03-31 13:19:04

#	User	Runtime	Language	Date
1	Óðinn Eyjólfsson	0.02 s	Python 3	2017-02-14 19:16:10
2	Herman Karlsson	0.02 s	Python 3	2017-02-17 22:02:20
3	Hidden user	0.02 s	Python 3	2017-02-22 20:55:21
4	James Deignan	0.02 s	Python 3	2017-02-24 19:31:30
5	Noah Ó Donnaile	0.02 s	Python 3	2017-03-14 04:03:19
6	Ciara Godwin	0.02 s	Python 3	2017-03-14 12:47:41
7	Mohammed Jasam	0.02 s	Python 3	2017-03-16 05:30:55
8	Cian Ruane	0.02 s	Python 3	2017-03-23 21:57:00
9	Francisco Martín Mateos	0.02 s	Python 3	2017-04-02 23:20:29
10	Ram Basnet	0.02 s	Python 3	2017-05-14 07:07:19

#	User	Runtime	Language	Date
1	David A. Andrews	0.38 s	Racket	2024-09-21 20:11:04

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-02-14 19:25:17
2	Mouad Naciri	0.03 s	Ruby	2017-04-02 22:11:55
3	Kok Dith	0.05 s	Ruby	2021-08-22 06:39:36
4	Thomas Feld	0.06 s	Ruby	2023-10-09 14:36:49

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-19 01:20:55
2	David Rasch	0.00 s	Rust	2020-10-26 16:52:17
3	David Zacek	0.00 s	Rust	2021-07-12 21:47:08
4	Bas Dirks	0.00 s	Rust	2022-01-05 22:01:49
5	Tobias Konradsson	0.00 s	Rust	2022-10-31 16:27:45
6	Hidden user	0.00 s	Rust	2023-05-01 17:47:09
7	Petter Hansson	0.00 s	Rust	2023-09-22 12:25:06
8	Vincent Lagerros	0.00 s	Rust	2025-02-28 19:55:44

#	User	Length	Language	Date
1	Muhammad Kahvi Khakam Syah	663	C	2025-03-13 00:26:27
2	官毓韋	725	C	2017-11-24 07:23:22
3	Esther Chong	734	C	2018-01-17 05:54:10
4	Leslie Yip	804	C	2022-08-30 13:56:11
5	PhilCampbell	834	C	2021-02-01 16:54:06
6	James Christian Ruiz	861	C	2022-12-23 09:06:04
7	Wayne	920	C	2017-03-01 19:16:23
8	Velvet	940	C	2021-08-01 17:15:42
9	Ng Wei Jie	991	C	2020-02-18 13:45:48
10	Roberto Kreshna	991	C	2020-12-02 13:27:22

#	User	Length	Language	Date
1	Aaron Michael	607	C#	2023-08-24 18:11:01
2	Göran Andersson	646	C#	2022-05-18 22:10:25
3	Klas af Geijerstam	883	C#	2017-05-19 21:37:38
4	Esty Crow	891	C#	2023-01-03 18:57:08
5	Garway Mei	1202	C#	2019-04-08 01:25:27
6	Mark Liu	1204	C#	2019-04-06 18:32:30
7	Duelene Olson	1258	C#	2017-06-26 19:25:01
8	Thomas Norris	1453	C#	2019-10-22 22:26:37
9	Gurpartap Singh Bhatti	1538	C#	2020-03-28 05:24:20
10	Hidden user	1566	C#	2017-06-17 22:20:04

#	User	Length	Language	Date
1	Tyler Fernando	434	C++	2022-11-05 10:14:37
2	Håkan Terelius	436	C++	2010-09-15 18:55:34
3	Markus Mathiasen	495	C++	2021-08-14 20:46:44
4	Julian Neeleman	556	C++	2017-05-16 14:43:55
5	Ritul Kumar Singh	576	C++	2024-03-31 20:53:08
6	Hidden user	580	C++	2023-03-26 16:25:58
7	Hidden user	582	C++	2021-02-26 20:14:06
8	Ron Ryvchin	590	C++	2023-05-14 19:44:55
9	Choi Min Suk	594	C++	2020-12-12 18:03:15
10	Grae Yeandle	599	C++	2017-02-16 16:27:11

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1421	F#	2022-10-22 16:24:27

#	User	Length	Language	Date
1	Adrian Bay Dorph	1079	Go	2021-09-10 21:24:44
2	Hidden user	1130	Go	2023-02-12 11:18:02
3	Norbert Voelker	1251	Go	2021-04-29 15:59:06

#	User	Length	Language	Date
1	Håkon Flatval	462	Haskell	2018-09-03 18:37:58
2	Antony Lee	562	Haskell	2018-01-22 21:02:13
3	Jan Hrček	606	Haskell	2020-11-25 07:31:44
4	Oisín Mac Fhearaí	802	Haskell	2021-01-05 21:48:52
5	Greg Gorlen	868	Haskell	2023-08-26 17:01:03
6	Brent Yorgey	875	Haskell	2017-10-15 04:07:06
7	Gaston Gilbert	881	Haskell	2020-10-28 22:44:18
8	Olle Eriksson	920	Haskell	2018-02-05 20:42:40
9	Steinar Simonnes	956	Haskell	2024-02-04 17:07:45
10	Michał Kopeć	960	Haskell	2018-01-19 11:40:33

#	User	Length	Language	Date
1	Doug Goodman	674	Java	2018-03-07 20:16:52
2	Assali El Mehdi	806	Java	2017-04-02 22:35:14
3	Samuel Klingström	808	Java	2017-03-26 03:18:59
4	Logan Simon	823	Java	2019-08-01 06:44:13
5	Ali Pervaiz	845	Java	2019-03-26 04:17:53
6	Crystal Sharpe	846	Java	2019-10-30 04:46:31
7	Prajwal Pyakurel	865	Java	2019-09-20 20:56:51
8	Victor Nguyen	950	Java	2020-04-15 01:18:34
9	April Chao	966	Java	2019-09-21 02:19:04
10	Daniel West	1030	Java	2018-01-11 13:56:35

#	User	Length	Language	Date
1	Kemal Elmizan	857	JavaScript (Node.js)	2020-09-25 06:12:56
2	Daniel Iversen Sato	1129	JavaScript (Node.js)	2024-09-08 18:14:11
3	Samuel Högfeldt	1240	JavaScript (Node.js)	2022-08-04 16:49:52
4	Chris Wong	1361	JavaScript (Node.js)	2022-01-14 16:37:35
5	Andoko Chandra	1563	JavaScript (Node.js)	2020-10-18 19:49:27

#	User	Length	Language	Date
1	Jimmy Gustafsson	214	JavaScript (SpiderMonkey)	2024-08-06 12:10:40
2	Christian Pilegaard Cederquist	495	JavaScript (SpiderMonkey)	2023-01-22 09:38:36
3	Peter Menyes	664	JavaScript (SpiderMonkey)	2021-09-16 21:54:47
4	Bjørn Chr. Soltvedt	680	JavaScript (SpiderMonkey)	2017-02-20 23:30:21
5	Peter Kedemo	748	JavaScript (SpiderMonkey)	2017-02-23 19:11:37

#	User	Length	Language	Date
1	Elijah Spicer	765	Julia	2023-05-10 01:57:45
2	Jonas Kompauer	1041	Julia	2023-04-14 23:30:52
3	Timothy Gaede	1583	Julia	2024-04-17 02:18:24

#	User	Length	Language	Date
1	Stephen Atwood	570	Kotlin	2024-03-18 17:17:11
2	Einar Kjellback	701	Kotlin	2019-12-17 15:54:02
3	Dayan Ruben Gonzalez	792	Kotlin	2020-10-16 21:42:11
4	Jacob Huebner	805	Kotlin	2020-06-25 03:26:20
5	Hidden user	889	Kotlin	2017-12-05 17:31:37
6	Adam Rankin	936	Kotlin	2023-09-13 01:43:42
7	Neil Harmon	1612	Kotlin	2019-05-06 12:40:29
8	Mike Wilkes	1892	Kotlin	2018-02-12 03:19:18
9	Troy Warmboe	9785	Kotlin	2020-02-13 23:37:47

#	User	Length	Language	Date
1	Ingemar Ragnemalm	753	Pascal	2018-03-19 16:11:43

#	User	Length	Language	Date
1	Silvena Lam	751	PHP	2017-07-07 16:10:51
2	Susanne Ragnemalm	1108	PHP	2023-11-19 08:53:36

#	User	Length	Language	Date
1	Thomas Feld	166	Python 2	2023-10-09 14:33:40
2	Andreas Björklund	344	Python 2	2019-09-14 07:55:04
3	Måns Magnusson	408	Python 2	2018-07-26 23:02:37
4	Jesper Öqvist	441	Python 2	2018-10-22 08:30:55
5	Cole Bite	507	Python 2	2017-05-12 23:20:09
6	Samuel Perkin	507	Python 2	2018-03-31 13:20:40
7	Johan Lyts	588	Python 2	2020-03-14 14:28:29
8	Çağdaş Öztekin	615	Python 2	2017-09-12 13:05:01
9	Johan Wind	618	Python 2	2018-03-20 17:56:38
10	Maj Stenmark	632	Python 2	2018-08-29 21:46:50

#	User	Length	Language	Date
1	Vo Khac Trieu	185	Python 3	2026-03-26 05:44:51
2	Jakob Lønnerød Madsen	187	Python 3	2023-10-04 19:23:13
3	Si Jie Tan	190	Python 3	2026-03-25 08:18:53
4	Hidden user	191	Python 3	2026-03-29 16:23:09
5	Yong Mao	204	Python 3	2023-06-19 00:05:16
6	Benjamin Z White	245	Python 3	2023-05-19 21:08:29
7	Trong Duc Truong	262	Python 3	2023-10-03 19:33:39
8	Petr	306	Python 3	2022-06-17 22:45:48
9	Alexei Fedotov	326	Python 3	2018-06-30 22:33:32
10	Timothy Baeckelant	336	Python 3	2024-06-29 19:50:31

#	User	Length	Language	Date
1	David A. Andrews	1341	Racket	2024-09-21 20:11:04

#	User	Length	Language	Date
1	Thomas Feld	142	Ruby	2023-10-09 14:42:58
2	Mouad Naciri	296	Ruby	2017-04-02 22:11:55
3	Kok Dith	453	Ruby	2021-08-22 06:39:36
4	Hidden user	998	Ruby	2017-02-14 19:25:17

#	User	Length	Language	Date
1	Vincent Lagerros	743	Rust	2025-02-28 19:55:44
2	David Rasch	1020	Rust	2020-10-26 16:52:17
3	David Zacek	1053	Rust	2021-07-12 21:47:08
4	Hidden user	1337	Rust	2023-05-01 17:47:09
5	Bas Dirks	1713	Rust	2022-01-05 22:01:49
6	Tobias Konradsson	1847	Rust	2022-10-31 16:27:45
7	Petter Hansson	2339	Rust	2023-09-22 12:25:06
8	Pahlevi Fikri Auliya	2510	Rust	2020-10-19 01:20:55

Solution running time distribution