Problem A
Holey N-Queens (Batman)

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Problem statistics

Submissions	2661
Accepted submissions	1331
Submission ratio	50.02%
Authors	852
Accepted authors	779
Author ratio	91.43%

#	User	Runtime	Date
1	Benjamin Ye	0.56 s	2023-03-04 02:54:46
2	Steven Jiang	0.58 s	2018-02-18 20:38:00
3	Zetao Ye	0.59 s	2018-02-24 17:21:01
4	Hidden user	0.78 s	2017-12-07 02:13:32
5	Vũ Đăng Huyên	0.83 s	2017-09-21 16:32:12
6	Bernd Schmidt	0.88 s	2017-04-30 13:56:28
7	Danial Motamedi Mehr	0.93 s	2020-02-16 19:51:30
8	Hidden user	0.96 s	2023-12-01 10:04:28
9	Diego Pinheiro	1.16 s	2023-06-23 20:07:16
10	Sambit Palit	1.19 s	2020-10-02 20:07:59

#	User	Runtime	Date
1	Dỗn Lùng	1.76 s	2019-11-29 02:25:09
2	Arnar Bjarni Arnarson	2.33 s	2016-04-01 06:40:33
3	Casey Hofland	4.55 s	2017-09-11 14:50:04

#	User	Runtime	Date
1	Daniel Schemmel	0.01 s	2016-09-29 23:00:07
2	Harrison Shen	0.01 s	2021-01-01 22:00:39
3	Alexander Kravberg	0.02 s	2023-07-22 15:42:21
4	Jay Lim	0.11 s	2019-01-26 08:27:38
5	Johan Sannemo	0.11 s	2020-09-06 12:56:06
6	Li Yao'an	0.12 s	2017-01-02 04:02:37
7	人外沙耶	0.12 s	2020-11-17 10:50:17
8	Zijian Zhou	0.12 s	2021-01-20 09:48:22
9	Jerome Leow	0.12 s	2022-01-08 08:32:49
10	Ismail Alrifai	0.12 s	2022-09-01 11:24:28

#	User	Runtime	Date
1	Norbert Voelker	1.98 s	2021-07-13 00:44:36

#	User	Runtime	Date
1	Brent Yorgey	0.64 s	2018-04-11 22:19:01
2	Hidden user	6.27 s	2019-10-27 14:37:03

#	User	Runtime	Date
1	Asmus Tørsleff	0.21 s	2022-02-16 12:08:31
2	Jarrett Spiker	0.32 s	2017-03-06 20:46:59
3	David Brink	0.37 s	2017-02-25 20:20:08
4	Paul Boddington	0.40 s	2017-02-04 20:13:55
5	Øyvind Haarberg	0.55 s	2017-04-01 19:22:36
6	Nathan Leake	0.62 s	2017-02-16 03:41:38
7	Tracy Xia	0.63 s	2020-02-16 20:39:47
8	Jamie Kihira	0.78 s	2018-02-26 08:30:30
9	Thijs Mangelsdorf	0.78 s	2023-11-17 17:35:30
10	Pedro Contipelli	0.93 s	2016-12-29 00:20:34

#	User	Runtime	Date
1	Hidden user	2.88 s	2019-02-17 02:51:28

#	User	Runtime	Date
1	Michael Laszlo	0.37 s	2016-10-02 22:05:45
2	Bjørn Chr. Soltvedt	1.19 s	2018-05-28 19:08:11
3	Jimmy Gustafsson	1.58 s	2022-08-23 13:13:46
4	Christian Cederquist	3.92 s	2023-03-25 15:07:36

#	User	Runtime	Date
1	Timothy Gaede	2.44 s	2024-05-14 12:31:42

#	User	Runtime	Date
1	Benjamin Ye	1.67 s	2023-03-03 00:42:33
2	Adam Rankin	2.69 s	2023-09-15 17:40:50
3	Caden G	3.40 s	2019-12-13 01:44:47

#	User	Runtime	Date
1	Đặng Xuân Vương	0.88 s	2017-09-14 06:36:55

#	User	Runtime	Date
1	Maj Stenmark	0.24 s	2019-11-21 21:26:51
2	Thore Husfeldt	0.75 s	2019-05-13 21:35:38
3	julien schmidt	2.59 s	2020-02-07 00:19:23
4	Andreas Björklund	3.04 s	2021-11-20 13:31:08
5	Hidden user	3.15 s	2017-02-17 02:34:05
6	Jessica Fang	3.15 s	2017-02-17 03:47:19
7	Jesper Öqvist	4.29 s	2018-10-27 13:55:27
8	Haggai Liu	4.73 s	2017-01-26 07:31:56
9	Cian Ruane	4.80 s	2018-07-18 03:05:58
10	Christofer Ohlsson	4.92 s	2017-02-04 13:40:43

#	User	Runtime	Date
1	Erlend Halsne Dahl	0.24 s	2022-04-07 21:59:05
2	Martin Berglund	0.44 s	2024-03-02 20:29:37
3	Roger Bongers	0.50 s	2020-07-10 23:43:14
4	crapcode	0.53 s	2022-05-27 00:33:08
5	Maj Stenmark	0.59 s	2019-11-21 21:33:25
6	Yong Mao	0.79 s	2023-08-03 02:36:56
7	Yang Li	0.81 s	2018-05-04 11:26:36
8	Dongwei Qi	1.08 s	2021-03-18 22:07:23
9	Lex Janssens	1.18 s	2021-08-06 11:48:17
10	Alexei Fedotov	1.30 s	2019-03-25 00:11:35

#	User	Runtime	Date
1	Yoeri Otten	0.06 s	2022-04-07 15:44:26
2	Rickard Mårtensson	1.03 s	2023-08-21 15:50:45
3	Jianghua Wang	1.13 s	2023-03-05 06:06:23
4	Nicholas	2.40 s	2023-08-21 15:26:40
5	Rowan Tran	2.74 s	2023-03-11 00:34:30
6	Rik Bauwens	2.78 s	2019-01-26 14:28:38
7	Lucas Heede Vulpius	3.13 s	2021-02-20 15:14:42
8	Justin Chang	3.56 s	2023-03-05 06:09:59
9	Adam Guangwei Yu	4.67 s	2023-03-04 03:07:56
10	Daniel Anker Hermansen	5.16 s	2022-03-25 23:44:14

#	User	Length	Date
1	Benjamin Ye	228	2023-03-04 03:11:19
2	Hidden user	1029	2023-12-01 10:04:28
3	Matthew Intriago	1054	2018-03-01 04:43:53
4	Olav Røthe Bakken	1059	2017-04-02 17:46:10
5	Yuanchen Li	1064	2017-10-01 23:41:19
6	Jonathan Sangster	1136	2018-02-24 21:56:21
7	Diego Pinheiro	1189	2023-06-23 20:07:16
8	Danial Motamedi Mehr	1204	2020-02-16 19:33:53
9	Minh Ngô	1216	2020-03-20 04:50:53
10	Samuel Nzembele	1218	2019-05-04 15:15:21

#	User	Length	Date
1	Arnar Bjarni Arnarson	1954	2016-04-01 06:40:33
2	Dỗn Lùng	2188	2019-11-29 02:25:09
3	Casey Hofland	5606	2017-09-11 14:50:04

#	User	Length	Date
1	Benjamin Ye	560	2023-03-04 02:42:38
2	人外沙耶	625	2020-11-17 10:50:17
3	Li Yao'an	637	2017-01-02 04:02:37
4	Presley Graham	675	2021-03-18 22:15:07
5	Lim Hong Hui Eugene	684	2019-04-25 05:32:51
6	Claire Duong	712	2018-02-24 15:12:30
7	Austin Fernandez	714	2019-08-08 20:06:21
8	Đặng Xuân Vương	727	2017-09-18 06:18:45
9	Yuxin Sun	730	2017-10-01 20:56:12
10	Ranald Lam	735	2017-04-01 14:06:26

#	User	Length	Date
1	Norbert Voelker	1545	2021-07-13 00:07:35

#	User	Length	Date
1	Brent Yorgey	2379	2018-04-11 22:19:01
2	Hidden user	9585	2019-10-27 14:37:03

#	User	Length	Date
1	Doug Goodman	995	2017-12-20 22:10:44
2	Lena Ruiz	1068	2017-09-27 22:13:53
3	Hidden user	1089	2018-03-27 01:23:08
4	Trevor Harness	1122	2018-03-21 23:29:13
5	Zach Prinz	1125	2018-03-22 07:38:10
6	Kibae Kim	1171	2018-03-28 00:15:41
7	Dawson Thompson	1181	2018-04-05 04:35:45
8	Christian Knowles	1195	2018-04-02 00:26:14
9	Eric Yvorchuk	1222	2018-03-15 22:12:18
10	Jarrett Spiker	1231	2017-03-06 20:46:59

#	User	Length	Date
1	Hidden user	1587	2019-02-17 02:51:28

#	User	Length	Date
1	Jimmy Gustafsson	1024	2022-08-23 13:13:46
2	Michael Laszlo	1467	2016-10-02 21:58:09
3	Christian Cederquist	1588	2023-03-25 15:07:36
4	Bjørn Chr. Soltvedt	122241	2018-05-28 19:08:11

#	User	Length	Date
1	Timothy Gaede	2769	2024-05-14 12:31:42

#	User	Length	Date
1	Benjamin Ye	335	2023-03-03 02:46:07
2	Adam Rankin	1288	2023-09-15 17:40:50
3	Caden G	1471	2019-12-13 01:44:47

#	User	Length	Date
1	Đặng Xuân Vương	1315	2017-09-14 06:36:55

#	User	Length	Date
1	Thomas Feld	427	2020-07-23 10:33:02
2	Troels Bjerre Lund	544	2019-05-13 14:36:37
3	Andreas Björklund	667	2021-11-20 13:31:08
4	Lars Åström	681	2019-05-13 22:02:50
5	Jason Cannon	693	2019-11-29 19:55:52
6	Christofer Ohlsson	700	2017-02-04 13:40:43
7	Jesper Öqvist	719	2018-10-27 13:55:27
8	Måns Magnusson	755	2018-06-20 14:42:41
9	julien schmidt	940	2020-02-07 00:19:23
10	Cian Ruane	961	2018-03-22 01:32:43

#	User	Length	Date
1	Anshuman Dash	514	2023-03-01 07:23:47
2	Zac Friggstad	520	2023-09-18 01:07:31
3	Christian Blumenthal	538	2023-06-24 18:26:51
4	Teikn Smith	604	2022-06-30 22:31:55
5	Bjarke Brodin	639	2021-02-19 11:38:40
6	Christian Lebeda	688	2021-02-19 22:32:52
7	Yong Mao	738	2023-08-03 02:36:56
8	Hidden user	751	2023-02-07 17:24:19
9	Alan Ispani	762	2022-02-08 12:51:44
10	Shashank Bhatt	782	2022-11-21 16:31:59

#	User	Length	Date
1	Daniel Anker Hermansen	1818	2022-03-25 23:33:55
2	Justin Chang	1828	2023-03-05 06:09:59
3	Rickard Mårtensson	1919	2023-08-21 15:50:45
4	Adam Guangwei Yu	1920	2023-03-04 03:07:56
5	Jianghua Wang	1983	2023-03-05 06:06:23
6	Nicholas	2015	2023-08-21 15:26:40
7	Ryan Chau	2343	2023-03-02 05:09:19
8	Rik Bauwens	2401	2019-01-26 14:28:38
9	Lucas Heede Vulpius	2699	2021-02-20 15:14:42
10	Rowan Tran	2799	2023-03-11 00:34:30

Solution running time distribution