Problem A
All Different Directions — Problem Statistics

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Submissions	3566
Accepted submissions	1390
Submission ratio	38.98%
Authors	1295
Full solves [?]	1114
Full solve Ratio	86.02%

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.00 s	C	2019-02-26 01:28:35
2	Bergur Snorrason	0.00 s	C	2019-02-26 19:19:44
3	Alexander Bilde Pedersen	0.00 s	C	2023-03-26 03:30:33
4	Tiago Lourenco	0.01 s	C	2017-04-25 18:01:32
5	Olav Røthe Bakken	0.01 s	C	2017-10-22 13:35:42
6	Adam Evans	0.01 s	C	2018-01-24 00:37:39
7	Sssstupid kid	0.01 s	C	2018-07-04 12:46:24
8	Abel Andras Bodo	0.01 s	C	2018-10-15 15:47:25
9	Harry Iha	0.01 s	C	2019-11-11 02:35:30
10	Sambit Palit	0.01 s	C	2020-10-26 19:14:48

#	User	Runtime	Language	Date
1	Faheem Ramzan	0.03 s	C#	2017-02-22 13:43:59
2	Khin Nyunt	0.03 s	C#	2017-03-05 14:28:17
3	Hidden user	0.03 s	C#	2017-03-21 16:03:07
4	Iskander Master	0.03 s	C#	2017-08-26 21:42:23
5	Robin Gustavsson	0.03 s	C#	2018-03-15 09:38:43
6	Helen Luu	0.03 s	C#	2018-06-02 10:20:40
7	Hidden user	0.03 s	C#	2019-03-03 16:40:40
8	Gurpartap Singh Bhatti	0.03 s	C#	2019-07-13 20:22:06
9	Efe Erdoğru	0.04 s	C#	2017-03-25 15:21:38
10	Mikael Fiala-Lundström	0.04 s	C#	2022-02-20 02:08:45

#	User	Runtime	Language	Date
1	Grae Yeandle	0.00 s	C++	2017-01-17 11:59:24
2	Alexander Kravberg	0.00 s	C++	2023-02-09 20:11:04
3	Brad	0.00 s	C++	2024-07-04 05:43:41
4	Tùng Hoàng Lâm	0.00 s	C++	2024-11-17 16:45:12
5	Greg Walkup	0.01 s	C++	2015-02-15 00:05:27
6	Mason Everett	0.01 s	C++	2015-02-15 00:55:33
7	Collin Rapp	0.01 s	C++	2015-02-15 00:58:59
8	Tyler Hartwig	0.01 s	C++	2015-02-15 22:32:05
9	Ryan Cobb	0.01 s	C++	2015-02-18 06:42:57
10	Tomas Lagland	0.01 s	C++	2015-02-26 23:24:09

#	User	Runtime	Language	Date
1	David Cawthon	0.06 s	Common Lisp	2019-08-13 03:47:02

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.07 s	F#	2023-01-13 17:23:58

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-07-22 21:54:53

#	User	Runtime	Language	Date
1	David Wärn	0.07 s	Haskell	2015-05-26 16:03:46
2	Daniel Brännvall	0.07 s	Haskell	2023-06-26 09:24:02
3	Antony Lee	0.08 s	Haskell	2016-12-27 16:48:13
4	Shing Tak Lam	0.08 s	Haskell	2021-03-12 13:20:40
5	Agus Sentosa Hermawan	0.08 s	Haskell	2021-11-24 14:03:15
6	Fumiaki Takagi	0.08 s	Haskell	2023-01-27 05:35:49
7	Lars Brünjes	0.08 s	Haskell	2023-02-02 22:46:17
8	Gustaf Pihl	0.09 s	Haskell	2016-09-10 21:02:57
9	Brent Yorgey	0.09 s	Haskell	2017-10-08 06:18:48
10	Lim Ming Yean	0.09 s	Haskell	2019-04-04 04:18:06

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.09 s	Java	2022-03-06 13:57:52
2	Jan Štola	0.14 s	Java	2015-05-24 23:47:04
3	Nick Wu	0.14 s	Java	2016-04-24 05:08:02
4	Martijn Muijsers	0.14 s	Java	2016-10-10 00:41:02
5	Raunak Maheshwari	0.14 s	Java	2017-03-29 13:31:23
6	Altan Tutar	0.14 s	Java	2017-05-29 21:30:23
7	Bjørn Dons	0.14 s	Java	2018-12-06 01:09:23
8	Brandon Morris	0.15 s	Java	2015-09-24 13:03:16
9	Hidden user	0.15 s	Java	2015-11-20 05:52:07
10	Wouter van Veelen	0.15 s	Java	2016-09-22 21:00:18

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.11 s	JavaScript (Node.js)	2022-07-17 17:31:30
2	Filip Stenström	0.42 s	JavaScript (Node.js)	2019-08-11 19:42:26
3	Khin Nyunt	0.44 s	JavaScript (Node.js)	2021-12-12 08:12:18

#	User	Runtime	Language	Date
1	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2015-12-25 17:58:19
2	Michael Laszlo	0.02 s	JavaScript (SpiderMonkey)	2016-10-05 18:34:07
3	Youssef Gougane	0.02 s	JavaScript (SpiderMonkey)	2016-10-09 14:41:19
4	Frédéric Morel	0.02 s	JavaScript (SpiderMonkey)	2016-10-15 21:35:17
5	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-04-30 18:18:49
6	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-08-08 21:22:25
7	Håkan Lindahl	0.03 s	JavaScript (SpiderMonkey)	2022-08-14 15:12:19
8	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-03-20 09:51:31
9	Ionel Hindorean	0.08 s	JavaScript (SpiderMonkey)	2016-11-23 19:06:49
10	Dilawar Mahmood	0.08 s	JavaScript (SpiderMonkey)	2018-01-19 20:33:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.96 s	Julia	2024-04-27 01:52:47

#	User	Runtime	Language	Date
1	Hidden user	0.26 s	Kotlin	2020-02-04 03:41:48
2	Roy Liu	0.33 s	Kotlin	2023-06-25 12:43:34
3	Adam Rankin	0.33 s	Kotlin	2023-09-03 04:25:01
4	Paul McBurney	0.34 s	Kotlin	2024-02-03 20:59:25
5	Jonathan Soo	0.50 s	Kotlin	2019-06-27 01:20:52

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2018-04-30 21:53:31

#	User	Runtime	Language	Date
1	Сергей Заец	0.01 s	PHP	2017-04-20 14:27:51
2	Maxim Mazurok	0.01 s	PHP	2017-11-13 17:10:27
3	Sergey	0.01 s	PHP	2017-12-28 00:23:48
4	Anton Mastikhin	0.01 s	PHP	2018-01-24 09:54:24
5	Anatoli Lazar	0.01 s	PHP	2018-03-02 12:01:41
6	Andrii Krawchuk	0.01 s	PHP	2018-05-11 19:02:43
7	Александр Лукиных	0.01 s	PHP	2018-09-20 19:23:05
8	Ilya Rogov	0.01 s	PHP	2018-09-28 17:54:32
9	Алексей М	0.01 s	PHP	2018-10-22 14:22:06
10	Arthur Edamov	0.01 s	PHP	2018-12-19 23:46:33

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.05 s	Python 2	2015-04-04 23:54:59
2	Mayur Mohite	0.05 s	Python 2	2015-04-15 18:37:47
3	Sigurður Jens Albertsson	0.05 s	Python 2	2018-10-02 15:28:41
4	Erik Odenman	0.06 s	Python 2	2015-05-14 15:28:51
5	Ailo Aasen	0.06 s	Python 2	2015-08-29 14:33:29
6	Greg Hamerly	0.06 s	Python 2	2015-12-09 21:24:34
7	Calvin Bochulak	0.06 s	Python 2	2017-03-30 07:49:54
8	Johann Ly	0.06 s	Python 2	2018-10-28 02:52:24
9	Jesper Öqvist	0.06 s	Python 2	2018-11-02 00:43:07
10	Johan Lyts	0.06 s	Python 2	2019-06-19 21:04:22

#	User	Runtime	Language	Date
1	Casper Hagenaars	0.03 s	Python 3	2015-10-25 19:51:51
2	Robert Welin-Berger	0.03 s	Python 3	2016-07-15 14:26:30
3	Nathan Collins	0.03 s	Python 3	2017-05-13 23:35:43
4	Asger Hautop Drewsen	0.03 s	Python 3	2017-07-24 01:29:58
5	Isaac Lee	0.03 s	Python 3	2017-07-24 03:55:35
6	Jón Steinn Elíasson	0.03 s	Python 3	2017-07-30 17:54:36
7	Brandon Saucedo	0.03 s	Python 3	2017-10-31 04:06:50
8	James Hamm	0.03 s	Python 3	2017-11-03 13:29:29
9	Brian Spain	0.03 s	Python 3	2017-11-05 02:39:25
10	Tan Chee Heng	0.03 s	Python 3	2017-12-02 17:12:53

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2017-10-18 01:54:13
2	Lee Tze Han	0.05 s	Ruby	2018-06-17 13:30:28
3	John Rabaey	0.07 s	Ruby	2020-04-10 17:24:55
4	Andreas Severin Hauch Trøstrup	0.07 s	Ruby	2023-03-23 23:46:32
5	Thomas Feld	0.10 s	Ruby	2023-05-08 10:07:12

#	User	Runtime	Language	Date
1	Oskar Lindén	0.00 s	Rust	2022-08-09 15:52:41
2	Albert Rise Nielsen	0.00 s	Rust	2023-03-14 22:46:52
3	Daniel Anker Hermansen	0.00 s	Rust	2023-05-28 17:47:06
4	Melker Forsberg	0.00 s	Rust	2023-06-24 17:14:34
5	Artur Khuziakhmetov	0.00 s	Rust	2023-08-02 19:06:23
6	Vincent Lagerros	0.00 s	Rust	2025-02-26 02:18:52
7	David Rasch	0.01 s	Rust	2021-04-22 17:28:40
8	Bas Dirks	0.01 s	Rust	2022-01-18 13:31:22
9	gard heine kalland	0.01 s	Rust	2024-06-17 12:22:34

#	User	Length	Language	Date
1	daimiao chen	1546	C	2024-03-13 18:46:36
2	Adam Evans	1767	C	2018-01-24 00:37:39
3	Olav Røthe Bakken	1809	C	2017-10-22 13:35:42
4	Hjalti Isleifsson	1913	C	2021-11-21 22:19:56
5	Sssstupid kid	1935	C	2018-07-04 14:07:01
6	Alexander Bilde Pedersen	1980	C	2023-03-17 21:53:11
7	Sambit Palit	1990	C	2020-10-26 19:14:48
8	Jacob Sutton	2048	C	2021-01-09 23:48:15
9	Mikael K Eriksson	2076	C	2022-01-10 09:45:49
10	Thư Hà	2126	C	2023-08-19 16:33:26

#	User	Length	Language	Date
1	Göran Andersson	1347	C#	2022-06-08 00:53:10
2	Slimlix	2500	C#	2020-09-18 20:13:40
3	Hidden user	2607	C#	2019-03-03 16:40:40
4	Hidden user	2641	C#	2017-03-21 16:03:07
5	Anthony Willy Algarñaz Bueno	2717	C#	2025-06-26 17:20:15
6	Faheem Ramzan	2852	C#	2017-02-22 13:43:59
7	Helen Luu	2942	C#	2018-06-02 10:20:40
8	Khin Nyunt	3266	C#	2017-03-05 14:28:17
9	Mikael Fiala-Lundström	3459	C#	2022-02-20 02:08:45
10	Gurpartap Singh Bhatti	3489	C#	2019-07-13 20:22:06

#	User	Length	Language	Date
1	Antonio Molina Lovett	709	C++	2016-08-14 06:47:46
2	William Gan	733	C++	2018-01-26 16:58:56
3	Yeung Man Tsung	808	C++	2022-12-27 07:00:55
4	Herman Karlsson	819	C++	2015-05-26 15:56:13
5	Johan Wind	850	C++	2015-09-25 15:17:26
6	Nicole Hedblom	874	C++	2015-05-29 18:20:43
7	Zane Yu	877	C++	2019-01-16 11:27:18
8	Alexander Skidanov	888	C++	2026-02-11 07:49:39
9	Emmanuel Anaya	908	C++	2021-03-06 22:53:19
10	Xi Lin	910	C++	2015-06-15 14:48:47

#	User	Length	Language	Date
1	David Cawthon	2047	Common Lisp	2019-08-13 03:47:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2988	F#	2023-01-13 17:23:58

#	User	Length	Language	Date
1	Norbert Voelker	1652	Go	2021-07-22 21:54:53

#	User	Length	Language	Date
1	David Wärn	742	Haskell	2015-05-26 16:03:46
2	Shing Tak Lam	1070	Haskell	2021-03-12 13:20:40
3	Agus Sentosa Hermawan	1318	Haskell	2021-11-24 14:03:15
4	Antony Lee	1375	Haskell	2016-12-27 16:48:13
5	Lim Ming Yean	1553	Haskell	2019-04-04 04:18:06
6	Daniel Brännvall	1581	Haskell	2023-06-26 09:24:02
7	Brent Yorgey	1663	Haskell	2017-10-08 06:18:48
8	Gustaf Pihl	2093	Haskell	2016-09-10 21:02:57
9	Lars Brünjes	2889	Haskell	2023-02-02 22:46:17
10	Fumiaki Takagi	3173	Haskell	2023-01-27 05:35:49

#	User	Length	Language	Date
1	Ryan Hunt	1180	Java	2017-10-01 07:56:28
2	Doug Goodman	1241	Java	2017-08-22 21:35:38
3	Michael Liu	1247	Java	2018-06-17 03:04:02
4	Eric Leow Yu Quan	1262	Java	2020-12-29 03:53:40
5	Zimu Qin	1357	Java	2015-06-25 09:42:31
6	Pedro Contipelli	1406	Java	2017-02-19 10:23:34
7	Apuroop Paleti	1437	Java	2017-03-08 20:34:29
8	Chaitanya Malladi	1439	Java	2017-03-10 23:53:01
9	Kyar Nyo Aye	1470	Java	2018-03-14 05:30:39
10	Innocent Nsabimana	1486	Java	2019-04-18 01:11:50

#	User	Length	Language	Date
1	Samuel Högfeldt	1656	JavaScript (Node.js)	2022-07-17 17:31:30
2	Khin Nyunt	2571	JavaScript (Node.js)	2021-12-12 08:12:18
3	Filip Stenström	3062	JavaScript (Node.js)	2019-08-11 19:42:26

#	User	Length	Language	Date
1	Jimmy Gustafsson	715	JavaScript (SpiderMonkey)	2022-08-08 21:22:25
2	Bjørn Chr. Soltvedt	1182	JavaScript (SpiderMonkey)	2016-04-30 18:18:49
3	Christian Pilegaard Cederquist	1205	JavaScript (SpiderMonkey)	2023-03-20 09:51:31
4	Peter Kedemo	1243	JavaScript (SpiderMonkey)	2015-12-25 17:58:19
5	Michael Laszlo	1389	JavaScript (SpiderMonkey)	2016-10-05 18:34:07
6	Håkan Lindahl	1458	JavaScript (SpiderMonkey)	2022-08-14 15:12:19
7	Frédéric Morel	1714	JavaScript (SpiderMonkey)	2016-10-15 21:35:17
8	Youssef Gougane	2522	JavaScript (SpiderMonkey)	2016-10-09 14:41:19
9	Dilawar Mahmood	3349	JavaScript (SpiderMonkey)	2018-01-19 20:33:40
10	Sardar Batofi	3356	JavaScript (SpiderMonkey)	2018-06-12 13:16:07

#	User	Length	Language	Date
1	Timothy Gaede	2539	Julia	2024-04-27 01:52:47

#	User	Length	Language	Date
1	Adam Rankin	1187	Kotlin	2023-09-03 04:25:01
2	Jonathan Soo	1362	Kotlin	2019-06-27 01:20:52
3	Paul McBurney	1974	Kotlin	2024-02-03 20:59:25
4	Hidden user	1992	Kotlin	2020-02-04 03:41:48
5	Roy Liu	2983	Kotlin	2023-06-25 12:42:01

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2174	Pascal	2018-04-30 21:53:31

#	User	Length	Language	Date
1	Pavel Golman	1157	PHP	2017-12-27 21:50:08
2	Maxim Mazurok	1334	PHP	2017-11-13 17:10:27
3	Philippe Hubert	1447	PHP	2024-01-04 21:44:46
4	Petr Trofimov	1600	PHP	2019-06-01 12:57:09
5	Алексей М	1675	PHP	2018-10-22 14:22:06
6	Maksim	1692	PHP	2019-08-04 01:31:53
7	Sergey	1698	PHP	2017-12-28 00:23:48
8	Anton Mastikhin	1768	PHP	2018-01-24 10:25:08
9	Val Petruchek	2182	PHP	2019-02-10 22:01:28
10	Andrii Krawchuk	2191	PHP	2018-05-11 19:02:43

#	User	Length	Language	Date
1	Thomas Feld	449	Python 2	2019-11-15 15:36:47
2	Erik Odenman	643	Python 2	2015-05-14 15:28:51
3	Andreas Björklund	680	Python 2	2022-01-17 12:39:58
4	Oskar Haarklou Veileborg	697	Python 2	2019-10-25 10:51:40
5	Jesper Öqvist	803	Python 2	2018-11-02 00:43:07
6	Johan Lyts	816	Python 2	2019-06-19 21:04:22
7	Haggai Liu	837	Python 2	2017-04-16 23:42:27
8	Greg Hamerly	844	Python 2	2015-12-09 21:24:34
9	Sigurður Jens Albertsson	865	Python 2	2018-10-02 15:28:41

#	User	Length	Language	Date
1	Simon Hellsten	302	Python 3	2023-06-24 10:18:42
2	Hidden user	334	Python 3	2023-05-09 13:31:35
3	Thomas Draper	337	Python 3	2023-03-19 01:50:43
4	Ahmed Chamseddine	405	Python 3	2024-11-15 21:27:00
5	Si Jie Tan	412	Python 3	2025-12-09 09:25:53
6	Carl Pittenger	423	Python 3	2024-03-17 08:15:13
7	Maxwell Penders	502	Python 3	2024-11-05 02:22:44
8	Asger Hautop Drewsen	532	Python 3	2017-07-24 01:29:58
9	Joe Little	533	Python 3	2024-01-03 21:51:01
10	Noah Hessen Bjerke	567	Python 3	2025-11-27 16:31:19

#	User	Length	Language	Date
1	Thomas Feld	197	Ruby	2023-05-08 10:23:51
2	Andreas Severin Hauch Trøstrup	576	Ruby	2023-03-23 23:46:32
3	Hidden user	824	Ruby	2017-10-18 01:54:13
4	Lee Tze Han	964	Ruby	2018-06-17 13:30:28
5	John Rabaey	1069	Ruby	2020-04-10 17:24:55

#	User	Length	Language	Date
1	David Rasch	1316	Rust	2021-04-22 17:28:40
2	Artur Khuziakhmetov	1382	Rust	2023-08-02 19:06:23
3	Oskar Lindén	1719	Rust	2022-08-09 15:52:41
4	Bas Dirks	2103	Rust	2022-01-18 13:31:22
5	Melker Forsberg	2480	Rust	2023-06-24 17:21:07
6	Albert Rise Nielsen	3284	Rust	2023-03-14 22:46:52
7	gard heine kalland	3748	Rust	2024-06-17 12:22:34
8	Vincent Lagerros	12452	Rust	2025-02-26 02:18:52
9	Daniel Anker Hermansen	22088	Rust	2023-05-28 17:47:06

Solution running time distribution