Problem A
Holey N-Queens (Batman) — Problem Statistics

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Submissions	3142
Accepted submissions	1588
Submission ratio	50.54%
Authors	990
Full solves [?]	896
Full solve Ratio	90.51%

#	User	Runtime	Language	Date
1	Florian ten Napel	0.50 s	C	2025-03-04 22:34:22
2	Benjamin Ye	0.56 s	C	2023-03-04 02:54:46
3	Steven Jiang	0.58 s	C	2018-02-18 20:38:00
4	Zetao Ye	0.59 s	C	2018-02-24 17:21:01
5	Hidden user	0.78 s	C	2017-12-07 02:13:32
6	Vũ Đăng Huyên	0.83 s	C	2017-09-21 16:32:12
7	Bernd Schmidt	0.88 s	C	2017-04-30 13:56:28
8	Danial Motamedi Mehr	0.93 s	C	2020-02-16 19:51:30
9	Mirel Cosulschi	0.96 s	C	2023-12-01 10:04:28
10	Ata Kırcadağ	1.09 s	C	2025-05-01 17:30:30

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

#	User	Runtime	Language	Date
1	Daniel Schemmel	0.01 s	C++	2016-09-29 23:00:07
2	Harrison Shen	0.01 s	C++	2021-01-01 22:00:39
3	Alexander Kravberg	0.02 s	C++	2023-07-22 15:42:21
4	Arvid Jonasson	0.10 s	C++	2025-08-06 14:32:42
5	Jay Lim	0.11 s	C++	2019-01-26 08:27:38
6	Johan Sannemo	0.11 s	C++	2020-09-06 12:56:06
7	Li Yao'an	0.12 s	C++	2017-01-02 04:02:37
8	人外沙耶	0.12 s	C++	2020-11-17 10:50:17
9	Zijian Zhou	0.12 s	C++	2021-01-20 09:48:22
10	Jerome Leow	0.12 s	C++	2022-01-08 08:32:49

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

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

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.21 s	Java	2022-02-16 12:08:31
2	Taras Romanyuk	0.28 s	Java	2024-11-25 21:00:17
3	Jarrett Spiker	0.32 s	Java	2017-03-06 20:46:59
4	David Brink	0.37 s	Java	2017-02-25 20:20:08
5	Paul Boddington	0.40 s	Java	2017-02-04 20:13:55
6	Øyvind Haarberg	0.55 s	Java	2017-04-01 19:22:36
7	Adolfo Alvarez Jr	0.58 s	Java	2025-10-14 20:12:11
8	Nathan Leake	0.62 s	Java	2017-02-16 03:41:38
9	Tracy Xia	0.63 s	Java	2020-02-16 20:39:47
10	Jamie Kihira	0.78 s	Java	2018-02-26 08:30:30

#	User	Runtime	Language	Date
1	Hidden user	2.88 s	JavaScript (Node.js)	2019-02-17 02:51:28

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

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

#	User	Runtime	Language	Date
1	Benjamin Ye	1.67 s	Kotlin	2023-03-03 00:42:33
2	Adam Rankin	2.69 s	Kotlin	2023-09-15 17:40:50
3	Caden G	3.40 s	Kotlin	2019-12-13 01:44:47
4	Paul McBurney	6.00 s	Kotlin	2024-10-02 00:15:55
5	Paul McBurney	6.34 s	Kotlin	2025-08-29 02:08:14

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

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

#	User	Runtime	Language	Date
1	Erlend H Dahl	0.24 s	Python 3	2022-04-07 21:59:05
2	Ole Vik Lysne	0.42 s	Python 3	2025-03-04 17:39:10
3	Martin Berglund	0.44 s	Python 3	2024-03-02 20:29:37
4	Collin Simpson	0.46 s	Python 3	2024-07-21 09:45:01
5	ACMCSU	0.46 s	Python 3	2024-07-21 18:15:04
6	Philip Lindstøl Svenningsen	0.46 s	Python 3	2025-03-17 19:56:48
7	Roger Bongers	0.50 s	Python 3	2020-07-10 23:43:14
8	crapcode	0.53 s	Python 3	2022-05-27 00:33:08
9	Maj Stenmark	0.59 s	Python 3	2019-11-21 21:33:25
10	Yong Mao	0.79 s	Python 3	2023-08-03 02:36:56

#	User	Runtime	Language	Date
1	Yoeri Otten	0.06 s	Rust	2022-04-07 15:44:26
2	Sebastian Refsnes	0.16 s	Rust	2025-03-23 17:47:18
3	Vincent Lagerros	0.85 s	Rust	2024-09-13 22:36:23
4	Jan Inge Sande	0.96 s	Rust	2025-03-22 22:45:17
5	Rickard Mårtensson	1.03 s	Rust	2023-08-21 15:50:45
6	Jianghua Wang	1.13 s	Rust	2023-03-05 06:06:23
7	Nicholas	2.40 s	Rust	2023-08-21 15:26:40
8	Rowan Tran	2.74 s	Rust	2023-03-11 00:34:30
9	Rik Bauwens	2.78 s	Rust	2019-01-26 14:28:38
10	Lucas Heede Vulpius	3.13 s	Rust	2021-02-20 15:14:42

#	User	Length	Language	Date
1	Benjamin Ye	228	C	2023-03-04 03:11:19
2	Mirel Cosulschi	1029	C	2023-12-01 10:04:28
3	Matthew Intriago	1054	C	2018-03-01 04:43:53
4	Olav Røthe Bakken	1059	C	2017-04-02 17:46:10
5	Yuanchen Li	1064	C	2017-10-01 23:41:19
6	Jonathan Sangster	1136	C	2018-02-24 21:56:21
7	Alejandro Casillas	1175	C	2025-08-29 16:07:49
8	Diego Pinheiro	1189	C	2023-06-23 20:07:16
9	Danial Motamedi Mehr	1204	C	2020-02-16 19:33:53
10	Minh Ngô	1216	C	2020-03-20 04:50:53

#	User	Length	Language	Date
1	Arnar Bjarni Arnarson	1954	C#	2016-04-01 06:40:33
2	Dỗn Lùng	2188	C#	2019-11-29 02:25:09
3	Casey Hofland	5624	C#	2017-09-11 14:50:04

#	User	Length	Language	Date
1	Benjamin Ye	560	C++	2023-03-04 02:42:38
2	人外沙耶	625	C++	2020-11-17 10:50:17
3	Li Yao'an	637	C++	2017-01-02 04:02:37
4	Mugeon Kim	637	C++	2025-01-29 05:41:17
5	Presley Graham	675	C++	2021-03-18 22:15:07
6	Lim Hong Hui Eugene	684	C++	2019-04-25 05:32:51
7	Claire Duong	712	C++	2018-02-24 15:12:30
8	Austin Fernandez	714	C++	2019-08-08 20:06:21
9	Đặng Xuân Vương	727	C++	2017-09-18 06:18:45
10	Yuxin Sun	730	C++	2017-10-01 20:56:12

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

#	User	Length	Language	Date
1	Brent Yorgey	2379	Haskell	2018-04-11 22:19:01
2	Hidden user	9618	Haskell	2019-10-27 14:37:03

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

#	User	Length	Language	Date
1	Hidden user	1587	JavaScript (Node.js)	2019-02-17 02:51:28

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

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

#	User	Length	Language	Date
1	Benjamin Ye	335	Kotlin	2023-03-03 02:46:07
2	Adam Rankin	1288	Kotlin	2023-09-15 17:40:50
3	Caden G	1471	Kotlin	2019-12-13 01:44:47
4	Paul McBurney	1900	Kotlin	2024-10-02 00:15:55
5	Paul McBurney	1902	Kotlin	2025-08-29 02:08:14

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

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

#	User	Length	Language	Date
1	Nikolaj Munk Binder Jensen	292	Python 3	2025-02-11 13:51:52
2	Noah Hessen Bjerke	399	Python 3	13:13:19
3	Ahmed Chamseddine	481	Python 3	2025-07-14 17:07:47
4	Anshuman Dash	514	Python 3	2023-03-01 07:23:47
5	Zac Friggstad	520	Python 3	2023-09-18 01:07:31
6	Hidden user	538	Python 3	2023-06-24 18:26:51
7	Teikn Smith	604	Python 3	2022-06-30 22:31:55
8	Bjarke Brodin	639	Python 3	2021-02-19 11:37:50
9	Simen Sørensen	672	Python 3	2025-08-12 01:53:04
10	Alexandre Charland	673	Python 3	2024-11-06 02:46:17

#	User	Length	Language	Date
1	Daniel Anker Hermansen	1818	Rust	2022-03-25 23:33:55
2	Justin Chang	1828	Rust	2023-03-05 06:09:59
3	Hidden user	1852	Rust	2025-03-19 15:43:45
4	Rickard Mårtensson	1919	Rust	2023-08-21 15:50:45
5	Adam Guangwei Yu	1920	Rust	2023-03-04 03:07:56
6	Jianghua Wang	1983	Rust	2023-03-05 06:06:23
7	Ole Magnus	2007	Rust	2025-03-23 15:40:09
8	Nicholas	2015	Rust	2023-08-21 15:26:40
9	Sebastian Refsnes	2107	Rust	2025-03-23 17:47:18
10	Jan Inge Sande	2228	Rust	2025-03-22 22:45:17

Solution running time distribution