Problem A
Eight Queens

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Problem statistics

Submissions	17305
Accepted submissions	4771
Submission ratio	27.57%
Authors	4667
Accepted authors	3813
Author ratio	81.70%

#	User	Runtime	Date
1	Danny Robinson	0.01 s	2023-09-02 21:11:19
2	Chenzhang Hu	0.03 s	2024-02-03 07:09:29

#	User	Runtime	Date
1	Joe Amenta	0.01 s	2014-10-26 02:24:12
2	Daouda Camara	0.01 s	2015-09-06 20:54:55
3	Faisal Rahman	0.01 s	2016-01-15 06:56:11
4	Tin Pavelić	0.01 s	2016-03-07 12:21:21
5	Cody Barnes	0.01 s	2016-10-02 20:27:24
6	Ugnius Skučas	0.01 s	2016-10-09 18:50:31
7	Johnson Ho	0.01 s	2016-11-21 23:29:39
8	Matthew Rocha	0.01 s	2017-02-23 20:09:33
9	Filiph Eriksson-Falk	0.01 s	2017-06-19 21:36:08
10	Ansgar224	0.01 s	2017-11-09 11:21:58

#	User	Runtime	Date
1	David Cawthon	0.02 s	2019-06-11 18:15:35

#	User	Runtime	Date
1	Anders B. Clausen	0.04 s	2021-11-29 23:00:32
2	Jacob Harris Cryer Kragh	0.07 s	2023-06-25 15:38:52

#	User	Runtime	Date
1	Khin Nyunt	0.00 s	2023-09-09 18:29:42
2	Eddy Wu	0.07 s	2018-12-23 09:04:36
3	Krzysztof Gibuła	0.07 s	2019-03-09 13:19:13
4	Việt Hà Nguyễn	0.08 s	2016-06-18 19:56:40
5	Scott Dauer	0.08 s	2020-09-08 19:50:44
6	Norbert Voelker	0.08 s	2021-10-28 01:15:41
7	Péter Szakszon	0.08 s	2021-12-18 09:53:54
8	Iker Lissarrague	0.08 s	2022-03-12 09:12:44
9	Jitesh Doshi	0.08 s	2022-05-28 18:29:32
10	Michal Sekletár	0.09 s	2015-07-06 12:48:11

#	User	Runtime	Date
1	Lars Tveito	0.00 s	2015-06-10 00:22:47
2	Christian Leipe	0.00 s	2016-03-07 13:48:10
3	Bob Smith	0.00 s	2016-07-24 06:14:11
4	Michał Grygierzec	0.00 s	2016-10-14 01:18:53
5	Johan Meier	0.00 s	2016-12-06 07:05:04
6	Morten Lohne	0.00 s	2017-10-19 21:42:38
7	Ragnhild Aalvik	0.00 s	2017-10-19 22:32:01
8	Brent Yorgey	0.00 s	2017-11-24 02:30:11
9	Olle Eriksson	0.00 s	2017-12-03 03:20:21
10	Abel Martin	0.01 s	2018-10-22 16:17:29

#	User	Runtime	Date
1	Adisa Kruayatidee	0.05 s	2014-09-27 22:28:32
2	True Punishment	0.05 s	2014-09-27 22:47:37
3	Huong Nguyen	0.05 s	2014-10-03 03:11:27
4	Sanira Chathuranga	0.05 s	2015-05-19 11:23:57
5	Mostafa Hany Gomaa	0.05 s	2015-05-21 02:39:14
6	Miles Stevenson	0.05 s	2015-06-25 06:51:16
7	Patrik Hörnqvist	0.05 s	2015-07-12 19:03:16
8	Joshua Ramos	0.05 s	2015-07-18 02:24:50
9	Marco Vincenzo Karaan	0.05 s	2015-09-05 07:15:43
10	Luu Nhat Phi	0.05 s	2015-09-05 07:44:02

#	User	Runtime	Date
1	William Jackson	0.05 s	2019-03-11 20:37:41
2	Mohamed Hosny Ahmed	0.40 s	2019-11-04 20:56:16
3	Thomas Schauser	0.41 s	2021-10-14 17:06:38
4	Khin Nyunt	0.42 s	2021-08-15 08:29:40

#	User	Runtime	Date
1	Jan Järfalk	0.01 s	2015-09-06 13:17:28
2	Bjørn Chr. Soltvedt	0.01 s	2016-01-04 01:31:48
3	Peter Kedemo	0.01 s	2016-01-16 14:34:19
4	Ryan Huang	0.01 s	2016-02-24 00:36:52
5	Tim Oram	0.01 s	2016-03-19 20:20:12
6	Ricardas Vaitkus	0.01 s	2016-04-09 23:18:07
7	Hà Minh Ngọc	0.01 s	2016-07-28 03:10:49
8	Tor Nordqvist	0.01 s	2016-11-16 12:01:21
9	Johannes Tomasson	0.01 s	2017-02-21 06:44:53
10	Mats Krüger Svensson	0.01 s	2017-03-22 16:58:23

#	User	Runtime	Date
1	Timothy Gaede	0.57 s	2024-04-03 13:16:14
2	Danny Robinson	0.64 s	2023-09-02 20:29:13

#	User	Runtime	Date
1	Nicholas Johnson	0.12 s	2021-02-12 02:21:51
2	Thanh Le	0.12 s	2021-07-13 20:56:14
3	Dmitry Shostak	0.17 s	2018-08-19 18:25:28
4	Marcin Wiśniowski	0.17 s	2018-09-28 14:45:35
5	Dayan Ruben Gonzalez	0.18 s	2020-10-05 17:28:53
6	Danny Mittal	0.18 s	2021-02-12 02:20:05
7	Jackson Kubin	0.19 s	2021-11-30 23:50:47
8	Adam Rankin	0.19 s	2023-05-04 00:12:29
9	Eric Huynh	0.20 s	2019-02-03 02:27:34
10	Gabriel Novack	0.20 s	2020-09-24 19:15:07

#	User	Runtime	Date
1	Philippe Hubert	0.01 s	2024-01-02 09:07:46

#	User	Runtime	Date
1	Andriy Zyevakov	0.01 s	2017-07-26 22:12:41

#	User	Runtime	Date
1	Hidden user	0.02 s	2014-09-28 02:00:00
2	Sergey Vovk	0.02 s	2015-03-23 22:29:17
3	Christofer Ohlsson	0.02 s	2015-04-29 16:40:41
4	Hans Rusten	0.02 s	2015-10-21 23:29:38
5	Patrik Lilja	0.02 s	2015-11-02 22:01:48
6	Urban Pettersson	0.02 s	2015-11-14 19:09:48
7	Rafael Lozano	0.02 s	2016-03-04 05:16:00
8	Olof Heurgren	0.02 s	2016-03-29 19:42:22
9	Yash Chandarana	0.02 s	2016-05-06 11:21:07
10	Yan Kalchevsky	0.02 s	2016-12-24 20:53:21

#	User	Runtime	Date
1	Andri Már Sigurðsson	0.02 s	2014-12-01 14:02:27
2	Davíð Guðni Halldórsson	0.02 s	2014-12-01 17:59:31
3	Einar Ágúst Árnason	0.02 s	2014-12-02 12:35:24
4	Adrien Coulier	0.02 s	2015-03-19 16:00:05
5	Vahid Sotudeh	0.02 s	2015-06-23 16:37:28
6	Supreme Aryal	0.02 s	2015-07-02 04:11:07
7	Fredrik Carlsen	0.02 s	2015-07-24 20:23:36
8	Casper Hagenaars	0.02 s	2015-08-17 19:03:37
9	Ben Land	0.02 s	2015-09-05 08:24:53
10	Riwu Wang	0.02 s	2015-09-05 08:51:16

#	User	Runtime	Date
1	Casper Christensen	0.03 s	2016-01-27 15:14:15
2	Erik Rydbert	0.03 s	2016-07-07 03:52:19
3	Macdara mac an tSionnaigh	0.04 s	2019-11-02 17:43:54
4	Rosa Gutierrez	0.05 s	2022-05-01 20:29:28

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-03 16:08:57
2	Danny Robinson	201	2023-09-02 21:11:19

#	User	Length	Date
1	Phước Lưu	439	2016-06-14 13:43:56
2	Porfirio Ángel Díaz Sánchez	490	2016-02-26 21:06:34
3	Kiên Nguyễn	520	2016-06-14 05:44:45
4	Erick Raúl Ibarra Pérez	528	2016-02-26 23:17:10
5	Hidden user	578	2018-12-23 20:27:13
6	Roberto Solis Robles	584	2016-02-26 20:59:35
7	Petr Ryšavý	586	2015-02-24 18:58:44
8	Esteban Garcia	607	2016-02-26 21:05:34
9	Alejandro Torres Escalera	615	2016-02-29 09:10:41
10	Carl Dizon	679	2015-09-05 07:17:23

#	User	Length	Date
1	Bowen Yu	789	2021-03-16 03:51:14
2	Hidden user	1073	2017-09-28 22:20:32
3	Daouda Camara	1212	2015-09-06 20:54:55
4	Ansgar224	1340	2017-11-09 11:21:58
5	Marcin Dudek	1379	2015-09-04 23:58:09
6	Joe Amenta	1410	2014-10-26 02:35:38
7	Jon Wong	1429	2015-10-03 02:48:17
8	Robert Low	1430	2016-08-12 17:48:25
9	Simon Grey	1446	2019-09-26 17:21:48
10	Johnson Ho	1470	2016-11-21 23:43:29

#	User	Length	Date
1	Ahmed Chamseddine	309	2022-11-18 17:03:10
2	Herman Karlsson	388	2015-07-14 14:24:56
3	Sharat Sachin	406	2018-06-07 15:29:41
4	Anton van Es	435	2018-09-24 11:17:55
5	Sadegh Mahdavi	440	2015-06-17 18:45:54
6	Ruben Van Dijck	442	2019-02-10 15:37:26
7	Matteo Zappia	446	2018-12-21 16:43:06
8	Lee Zheng Han	459	2022-12-02 18:13:42
9	Tyler Fernando	477	2023-06-19 11:10:16
10	人外沙耶	477	2024-01-08 09:57:43

#	User	Length	Date
1	David Cawthon	1065	2019-06-11 18:15:35

#	User	Length	Date
1	Jacob Harris Cryer Kragh	1074	2023-06-25 15:38:52
2	Anders B. Clausen	1371	2021-11-29 23:00:32

#	User	Length	Date
1	Norbert Voelker	680	2021-10-28 01:17:06
2	Krzysztof Gibuła	913	2019-03-09 13:19:13
3	Việt Hà Nguyễn	961	2016-06-18 19:56:40
4	Scott Dauer	1099	2020-09-08 19:50:44
5	Jitesh Doshi	1120	2022-05-28 18:29:32
6	Iker Lissarrague	1184	2022-03-12 09:12:44
7	Eddy Wu	2165	2018-12-23 09:04:36
8	Khin Nyunt	2522	2023-09-09 18:29:42
9	Péter Szakszon	2680	2021-12-18 09:53:54
10	Michal Sekletár	3399	2015-07-06 12:48:11

#	User	Length	Date
1	Alberto Cerezo Cid	521	2018-10-26 19:40:05
2	Zach Tschetter	638	2020-12-13 05:28:06
3	Brent Yorgey	647	2017-11-24 02:30:11
4	Bob Smith	730	2016-07-24 06:14:11
5	Christian Leipe	798	2016-03-07 13:48:10
6	Isaac Arvestad	847	2018-11-09 09:55:18
7	Sergio Martín Sempere	870	2020-11-09 21:10:23
8	Patrick Bahr	919	2018-11-24 17:31:50
9	Abel Martin	939	2018-10-22 16:17:29
10	Lars Tveito	948	2015-06-10 00:22:47

#	User	Length	Date
1	Kurtis Van Gent	610	2016-02-23 16:26:36
2	Noopur Jain	674	2015-09-05 08:45:03
3	Brian Gathright	709	2015-10-12 04:12:20
4	Doug Goodman	726	2016-06-04 18:48:52
5	Abhi Gupta	756	2018-01-04 14:01:51
6	Sam Bowers	766	2023-09-21 17:33:02
7	Minh Truong	767	2018-11-25 00:59:20
8	Minh Stature	774	2016-08-24 11:04:41
9	Michael Hirsch	776	2019-07-24 02:48:36
10	Carlos Fernández-Vegue García	786	2019-04-02 08:10:27

#	User	Length	Date
1	William Jackson	812	2019-03-11 20:37:41
2	Thomas Schauser	1009	2021-10-14 16:58:38
3	Mohamed Hosny Ahmed	1486	2019-11-04 20:56:16
4	Khin Nyunt	2441	2021-08-15 08:29:40

#	User	Length	Date
1	Hà Minh Ngọc	594	2016-07-28 03:10:49
2	Peter Kedemo	696	2016-01-16 14:34:19
3	Ricardas Vaitkus	716	2016-04-09 23:18:07
4	Zachary DeStefano	867	2019-10-13 01:52:37
5	Christian Cederquist	893	2023-02-27 15:47:36
6	Tor Nordqvist	994	2016-11-16 12:01:21
7	Johannes Tomasson	1025	2017-02-21 06:44:53
8	Jan Järfalk	1116	2015-09-06 13:17:28
9	Omar Al-Khashab	1202	2018-04-25 05:46:13
10	Mats Krüger Svensson	1296	2017-03-22 16:58:23

#	User	Length	Date
1	Danny Robinson	176	2023-09-02 20:29:13
2	Timothy Gaede	652	2024-04-03 13:16:14

#	User	Length	Date
1	Dmitry Shostak	690	2018-08-19 18:25:28
2	Jackson Kubin	822	2021-11-30 23:50:47
3	Phường Lên	883	2019-11-29 19:32:02
4	Dayan Ruben Gonzalez	1065	2020-10-05 17:28:53
5	Gabriel Novack	1195	2020-09-24 19:27:26
6	Danny Mittal	1224	2021-02-12 02:20:05
7	Adam Rankin	1589	2023-05-04 00:12:29
8	Eric Huynh	1953	2019-02-03 02:27:34
9	Nicholas Johnson	2188	2021-02-12 02:21:51
10	Marcin Wiśniowski	2313	2018-09-28 14:45:35

#	User	Length	Date
1	Philippe Hubert	1793	2024-01-02 09:07:46

#	User	Length	Date
1	Andriy Zyevakov	2237	2017-07-26 22:12:41

#	User	Length	Date
1	Chris Glasz	330	2017-11-07 23:55:32
2	Måns Magnusson	361	2018-03-16 22:44:00
3	Andreas Eisele	368	2018-10-14 14:06:51
4	Yash Chandarana	379	2016-05-06 11:21:07
5	Devin Kreuzer	379	2019-11-24 01:45:28
6	Guan Yang Ze	381	2019-09-09 05:02:01
7	Busetty Rajaram	393	2018-10-17 09:29:48
8	Olof Heurgren	409	2016-03-29 19:42:22
9	Justin Su	409	2018-02-20 01:32:10
10	Andreas Björklund	415	2019-05-07 19:26:07

#	User	Length	Date
1	Benjamin Z White	195	2023-05-01 12:42:11
2	Charles Ancheta	234	2023-04-13 08:56:57
3	Yong Mao	235	2023-07-19 03:11:27
4	Josh Taylor	247	2023-03-06 17:30:52
5	Gerth Stølting Brodal	288	2020-02-03 00:32:33
6	Sarthak Agarwal	290	2019-06-30 23:34:24
7	Filippo Baronello	293	2020-10-24 20:01:29
8	Kyle Wells	294	2023-12-31 00:19:00
9	Manu Lam	305	2018-03-20 03:35:48
10	Ciara Godwin	312	2017-08-18 21:47:24

#	User	Length	Date
1	Erik Rydbert	459	2016-07-07 03:52:19
2	Casper Christensen	825	2016-01-27 15:14:15
3	Rosa Gutierrez	827	2022-05-01 20:29:28
4	Macdara mac an tSionnaigh	1072	2019-11-02 17:43:54

#	User	Length	Date
1	David Rasch	1033	2021-05-07 21:47:13
2	cairngorm fusk	1107	2022-03-10 06:57:28
3	Rik Bauwens	1123	2019-01-27 14:32:18
4	Fiat Driver	1204	2023-06-26 18:28:42
5	Paarth Madan	1233	2019-09-17 22:59:50
6	Eric Pinter	1640	2021-10-09 20:27:23
7	Sarek Høverstad Skotåm	2047	2021-06-13 18:21:02
8	Rolf Martin Glomsrud	2439	2022-08-24 17:23:06
9	Pahlevi Fikri Auliya	2459	2020-11-14 02:44:57
10	Isak Jägberg	2625	2021-01-08 23:42:27

Solution running time distribution