Problem A
Bishops — Problem Statistics

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Submissions	6373
Accepted submissions	2403
Submission ratio	37.71%
Authors	2295
Full solves [?]	2044
Full solve Ratio	89.06%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-04-24 15:54:16
2	Frans Meulenbroeks	0.01 s	Bash	2024-10-30 16:22:45
3	Chenzhang Hu	0.04 s	Bash	2023-09-10 09:37:01

#	User	Runtime	Language	Date
1	Krzysztof Suchan	0.02 s	C#	2013-09-18 15:56:00
2	Jonathan Ng	0.02 s	C#	2013-09-29 13:36:51
3	Lester Gloria	0.02 s	C#	2013-09-29 23:43:25
4	masosz	0.02 s	C#	2015-01-25 14:48:17
5	Mads Storm Hansen	0.02 s	C#	2015-07-20 14:56:37
6	Faisal Rahman	0.02 s	C#	2016-06-06 18:39:47
7	Rickard Lundberg	0.02 s	C#	2016-07-01 10:51:54
8	Robert Low	0.02 s	C#	2016-07-27 17:48:01
9	Ludwig Hedeby	0.02 s	C#	2016-10-10 20:42:13
10	Przemysław Curzytek	0.02 s	C#	2016-12-28 19:00:18

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-05-18 16:54:43

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-12-05 20:06:39

#	User	Runtime	Language	Date
1	Eric Martin	0.02 s	Go	2019-01-01 13:01:23
2	Norbert Voelker	0.02 s	Go	2021-05-14 23:48:39
3	Jonas Hedin	0.08 s	Go	2015-02-26 17:30:13
4	Nicolai Skogheim	0.08 s	Go	2016-09-29 17:52:25
5	Krzysztof Gibuła	0.08 s	Go	2021-04-15 09:04:42
6	Nyamdavaa Amar	0.08 s	Go	2022-04-21 04:37:02

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-07-30 22:37:45
2	Rene Argento	0.04 s	Java	2024-11-20 02:41:39
3	Hidden user	0.04 s	Java	2025-03-11 14:33:40
4	Ian Mahendra Setiawan	0.04 s	Java	2025-10-27 10:23:14
5	Simon Klein	0.05 s	Java	2012-05-02 18:10:56
6	Axel Lewenhaupt	0.05 s	Java	2012-09-23 01:19:01
7	Hidden user	0.05 s	Java	2013-09-23 14:02:17
8	Roger Ballard	0.05 s	Java	2014-09-30 20:50:26
9	Marco Vincenzo Karaan	0.05 s	Java	2015-09-21 10:33:44
10	Dennis Ang	0.05 s	Java	2015-10-01 14:47:11

#	User	Runtime	Language	Date
1	Addie Meders	0.42 s	JavaScript (Node.js)	2020-03-01 07:16:48

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-23 01:55:48
2	Mark Bouchkevitch	0.01 s	JavaScript (SpiderMonkey)	2016-01-23 09:36:39
3	Cole Rauh	0.01 s	JavaScript (SpiderMonkey)	2016-10-17 00:11:28
4	Mohammad Mousavi	0.01 s	JavaScript (SpiderMonkey)	2016-12-31 09:38:13
5	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2017-07-31 20:21:01
6	Zachary DeStefano	0.01 s	JavaScript (SpiderMonkey)	2018-01-30 06:52:25
7	Goran Sherko Jawdat	0.01 s	JavaScript (SpiderMonkey)	2018-04-24 13:49:50
8	Omar Al-Khashab	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 06:14:44
9	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-12 09:18:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.45 s	Julia	2024-05-17 08:34:44

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-27 22:38:03
2	Andrew Kronser	0.17 s	Kotlin	2017-10-21 05:06:14
3	Adam Koprowski	0.18 s	Kotlin	2021-03-20 18:03:18
4	Neil Harmon	0.19 s	Kotlin	2019-09-04 11:34:13
5	Phường Lên	0.19 s	Kotlin	2019-10-26 16:08:37
6	Roger Bongers	0.19 s	Kotlin	2021-06-27 17:23:59
7	Adam Rankin	0.19 s	Kotlin	2023-04-27 00:32:10
8	Chris Johnson	0.23 s	Kotlin	2025-03-12 21:02:50

#	User	Runtime	Language	Date
1	Vova Podkorytov	0.00 s	Pascal	2018-02-03 15:03:27
2	Egor Shchetinin	0.00 s	Pascal	2018-02-03 15:04:56
3	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-19 13:01:33
4	Magnus Ragnemalm	0.00 s	Pascal	2018-09-21 19:52:38

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-07-30 23:09:55

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-10-15 09:59:06

#	User	Runtime	Language	Date
1	Kristmundur Agust	0.02 s	Python 2	2015-03-04 19:27:29
2	Christofer Ohlsson	0.02 s	Python 2	2015-04-17 13:40:37
3	Erik Odenman	0.02 s	Python 2	2015-05-15 01:47:48
4	Andrei Stoica	0.02 s	Python 2	2015-07-24 19:19:23
5	Tore Norderud	0.02 s	Python 2	2015-08-01 03:58:54
6	Sigurd Kittilsen	0.02 s	Python 2	2015-08-17 13:23:27
7	Daniel Palmqvist	0.02 s	Python 2	2015-09-03 20:21:54
8	Kristian Gregorius Hustad	0.02 s	Python 2	2015-09-10 22:12:49
9	Jonas Kylling	0.02 s	Python 2	2015-09-17 17:53:43
10	John Harrison	0.02 s	Python 2	2015-09-20 20:19:39

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-10-11 19:24:13
2	Jerry Cheng	0.02 s	Python 3	2014-11-21 22:29:21
3	Hidden user	0.02 s	Python 3	2014-11-21 22:41:59
4	Martin Stensgård	0.02 s	Python 3	2015-03-14 04:15:25
5	Nils Gustafsson	0.02 s	Python 3	2015-04-09 23:12:03
6	Brian Harrington	0.02 s	Python 3	2015-04-19 03:32:30
7	John William O'Rourke	0.02 s	Python 3	2015-09-20 21:06:51
8	Samuel Zhou	0.02 s	Python 3	2015-09-23 21:35:04
9	William Huang	0.02 s	Python 3	2015-09-25 05:02:06
10	Alexander Brandborg	0.02 s	Python 3	2015-10-31 03:47:58

#	User	Runtime	Language	Date
1	Micah Stairs	0.03 s	Ruby	2016-08-02 05:18:25
2	Hamza Hasbi	0.03 s	Ruby	2016-11-17 22:59:55
3	Huang Weijie	0.04 s	Ruby	2019-02-27 10:55:03
4	Jesper Bech Christensen	0.06 s	Ruby	2022-10-27 20:37:34
5	Thomas Feld	0.06 s	Ruby	2022-12-08 14:57:59
6	Si Jie Tan	0.06 s	Ruby	2025-12-12 08:05:12
7	Chenzhang Hu	0.12 s	Ruby	2025-09-22 18:22:12

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-05-29 19:16:19
2	Bas Dirks	0.00 s	Rust	2022-01-11 22:41:46
3	Rolf Martin Glomsrud	0.00 s	Rust	2022-08-24 17:34:34
4	Daniel Anker Hermansen	0.00 s	Rust	2022-12-29 23:44:33
5	Isak Jägberg	0.00 s	Rust	2023-10-27 22:24:46
6	Vincent Lagerros	0.00 s	Rust	2024-12-04 19:05:32
7	Egor Kulikov	0.00 s	Rust	2025-02-05 08:51:01
8	Chris Seager	0.00 s	Rust	2025-04-01 19:39:40
9	Joe Blower	0.00 s	Rust	2025-11-15 02:14:27

#	User	Length	Language	Date
1	Thomas Feld	23	Bash	2023-09-12 15:20:13
2	Chenzhang Hu	30	Bash	2025-09-13 03:56:54
3	Frans Meulenbroeks	44	Bash	2024-10-30 16:24:04

#	User	Length	Language	Date
1	Jordan Perry	59	C	2022-10-28 05:18:14
2	Truong Quoc Thinh FU CT	127	C	2022-06-12 10:50:09
3	Jodi Saputro	133	C	2017-12-15 13:26:19
4	Ng Wei Jie	133	C	2020-02-17 15:38:03
5	Nguyen Hoang Khang (K17 CT)	133	C	2022-06-11 16:05:43
6	Le Truong Giang (K17_CT)	133	C	2022-06-12 11:29:17
7	Doan Vo Quoc Thai	133	C	2022-06-12 11:47:59
8	Adane Berhanu	133	C	2023-08-25 20:42:51
9	Hiep Do Duy	133	C	2024-02-04 22:51:28
10	Fredrik Atmer	139	C	2012-12-03 12:08:07

#	User	Length	Language	Date
1	Michael Damsgaard	219	C#	2024-12-29 06:24:32
2	Esty Crow	269	C#	2023-06-24 05:55:11
3	Anthony Ye	289	C#	2023-06-25 17:58:58
4	Jonathan Ng	392	C#	2013-09-29 13:36:51
5	Jomar Beltran	452	C#	2019-05-16 22:22:47
6	Mikael Fiala-Lundström	463	C#	2021-06-12 23:44:09
7	Jack Gray	487	C#	2025-01-02 19:11:48
8	Hidden user	509	C#	2017-04-18 10:13:17
9	Nikolai Valkamo	557	C#	2021-12-23 00:36:20
10	Rickard Lundberg	601	C#	2016-07-01 10:51:54

#	User	Length	Language	Date
1	Dominic Sagen	82	C++	2023-03-12 15:38:56
2	Tyler Fernando	85	C++	2022-11-02 04:45:13
3	Jomar Beltran	98	C++	2024-09-05 18:29:23
4	Mutasem Tamimi	99	C++	2022-11-05 02:12:59
5	Richard Putra	111	C++	2018-02-19 05:29:57
6	Antonio Molina Lovett	117	C++	2016-08-15 03:28:58
7	Yash Kumar Bansal	128	C++	2016-05-18 11:18:57
8	Hidden user	131	C++	2018-06-15 18:08:11
9	Nathan Mandell	132	C++	2019-05-05 07:50:36
10	Nguyen Vu Nhu Huynh (K17_CT)	133	C++	2022-06-11 16:07:56

#	User	Length	Language	Date
1	David Cawthon	335	Common Lisp	2019-05-18 16:54:43

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	438	F#	2022-12-05 20:06:39

#	User	Length	Language	Date
1	Nyamdavaa Amar	255	Go	2022-04-21 04:37:02
2	Jonas Hedin	285	Go	2015-02-26 17:30:13
3	Krzysztof Gibuła	301	Go	2021-04-15 09:04:42
4	Eric Martin	335	Go	2019-01-01 13:01:23
5	Nicolai Skogheim	342	Go	2016-09-29 17:52:25
6	Norbert Voelker	424	Go	2021-05-14 23:50:26

#	User	Length	Language	Date
1	Rudy Matela	60	Haskell	2023-09-16 13:06:41
2	Paul Wild	77	Haskell	2018-04-30 16:53:50
3	David Wärn	83	Haskell	2015-05-27 16:06:04
4	Miguel Müller	98	Haskell	2017-11-16 14:53:13
5	Lars Tveito	120	Haskell	2015-08-17 13:06:35
6	Hidden user	146	Haskell	2019-10-26 14:17:27
7	Steinar Simonnes	160	Haskell	2023-11-04 16:47:23
8	Ryan O'Hara	166	Haskell	2015-10-01 04:51:53
9	Patrik Lilja	171	Haskell	2017-03-02 18:29:57
10	Aurélien Pepin	176	Haskell	2019-09-15 17:08:56

#	User	Length	Language	Date
1	Chris	233	Java	2018-02-01 17:58:45
2	Whitney Juanita Dluhosh	239	Java	2018-02-01 04:41:28
3	Hidden user	250	Java	2015-02-23 18:34:44
4	Simon Xue	251	Java	2015-11-15 02:06:23
5	Thịnh Bùi	252	Java	2015-09-25 07:19:49
6	Hidden user	253	Java	2020-09-11 13:06:52
7	Eric Dand	263	Java	2017-01-26 05:26:26
8	Achraf Ahnin	263	Java	2018-11-15 22:54:13
9	Emil Bak-Møller	263	Java	2019-02-28 23:53:48
10	Shane Whittaker-Hornosty	268	Java	2018-02-01 08:23:05

#	User	Length	Language	Date
1	Addie Meders	825	JavaScript (Node.js)	2020-03-01 07:16:48

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	38	JavaScript (SpiderMonkey)	2023-02-12 09:18:29
2	Zachary DeStefano	100	JavaScript (SpiderMonkey)	2018-01-30 06:52:25
3	Cole Rauh	106	JavaScript (SpiderMonkey)	2016-10-17 00:11:28
4	Bjørn Chr. Soltvedt	110	JavaScript (SpiderMonkey)	2016-01-23 01:59:39
5	Ionel Hindorean	142	JavaScript (SpiderMonkey)	2017-07-31 20:21:01
6	Goran Sherko Jawdat	142	JavaScript (SpiderMonkey)	2018-04-24 13:49:50
7	Omar Al-Khashab	142	JavaScript (SpiderMonkey)	2018-04-25 06:14:44
8	Mohammad Mousavi	192	JavaScript (SpiderMonkey)	2016-12-31 09:38:13
9	Mark Bouchkevitch	575	JavaScript (SpiderMonkey)	2016-01-23 09:36:39

#	User	Length	Language	Date
1	Timothy Gaede	301	Julia	2024-05-17 08:34:44

#	User	Length	Language	Date
1	Roger Bongers	146	Kotlin	2021-06-27 17:23:59
2	Adam Koprowski	202	Kotlin	2021-03-20 18:03:18
3	Dayan Ruben Gonzalez	230	Kotlin	2020-09-27 22:38:03
4	Chris Johnson	259	Kotlin	2024-11-01 21:26:36
5	Phường Lên	310	Kotlin	2019-10-26 16:08:37
6	Adam Rankin	346	Kotlin	2023-04-27 00:32:10
7	Andrew Kronser	421	Kotlin	2017-10-21 05:06:14
8	Neil Harmon	530	Kotlin	2019-09-04 11:34:13

#	User	Length	Language	Date
1	Magnus Ragnemalm	142	Pascal	2018-09-21 19:52:38
2	Ingemar Ragnemalm	162	Pascal	2018-09-19 13:01:33
3	Egor Shchetinin	170	Pascal	2018-02-03 15:04:56
4	Vova Podkorytov	193	Pascal	2018-02-03 15:03:27

#	User	Length	Language	Date
1	Connor Billings	189	PHP	2020-07-30 23:09:55

#	User	Length	Language	Date
1	Andriy Zyevakov	2770	Prolog	2024-10-15 09:59:06

#	User	Length	Language	Date
1	Paul Swingle	44	Python 2	2022-10-28 08:06:31
2	Måns Magnusson	63	Python 2	2018-10-05 20:07:00
3	Thomas Feld	72	Python 2	2019-08-23 15:20:41
4	Andrei Stoica	75	Python 2	2015-07-24 19:19:23
5	William Taylor-Melanson	81	Python 2	2019-12-11 17:31:22
6	Hidden user	85	Python 2	2016-04-14 11:02:33
7	Erik Odenman	86	Python 2	2015-05-15 01:47:48
8	Christofer Ohlsson	89	Python 2	2015-04-17 13:40:37
9	Jesper Öqvist	99	Python 2	2018-10-27 15:33:04
10	Tore Norderud	100	Python 2	2015-08-01 03:58:54

#	User	Length	Language	Date
1	Clement Oh	41	Python 3	2023-05-11 13:55:11
2	Guk Yi Siong	41	Python 3	2023-07-23 05:38:10
3	Hidden user	47	Python 3	2023-07-04 18:03:33
4	Lee Yi Heng	48	Python 3	2024-03-30 09:52:41
5	Paul Swingle	51	Python 3	2022-10-28 04:42:28
6	Joseph Scholl	51	Python 3	2022-10-28 05:01:48
7	John Swingle	51	Python 3	2022-10-28 05:17:06
8	Tai Tze Kin	52	Python 3	2024-05-07 21:06:35
9	Josh Taylor	54	Python 3	2022-10-28 17:25:24
10	Harry Zhang	54	Python 3	2023-01-06 23:21:56

#	User	Length	Language	Date
1	Thomas Feld	29	Ruby	2022-12-08 14:57:59
2	Si Jie Tan	52	Ruby	2025-12-12 08:05:12
3	Jesper Bech Christensen	63	Ruby	2022-10-27 20:37:34
4	Micah Stairs	114	Ruby	2016-08-02 05:18:25
5	Hamza Hasbi	116	Ruby	2016-11-17 22:59:55
6	Chenzhang Hu	126	Ruby	2025-09-22 18:22:12
7	Huang Weijie	156	Ruby	2019-02-27 10:55:03

#	User	Length	Language	Date
1	Vincent Lagerros	159	Rust	2024-12-04 19:05:56
2	Isak Jägberg	241	Rust	2023-10-27 22:24:46
3	Bas Dirks	283	Rust	2022-01-11 22:41:46
4	Rolf Martin Glomsrud	383	Rust	2022-08-24 17:34:34
5	Chris Seager	586	Rust	2025-04-01 19:39:40
6	Joe Blower	1559	Rust	2025-11-15 02:14:27
7	Muhammad Rais Fathin Mudzakir	3807	Rust	2021-05-29 19:16:19
8	Egor Kulikov	15865	Rust	2025-02-05 08:51:01
9	Daniel Anker Hermansen	22635	Rust	2022-12-29 23:44:33

Solution running time distribution