Problem A
Knight Search — Problem Statistics

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Submissions	2402
Accepted submissions	1007
Submission ratio	41.92%
Authors	889
Accepted authors	764
Author ratio	85.94%

#	User	Runtime	Language	Date
1	Sanjiv Dinakar	0.00 s	C	2019-03-26 22:04:22
2	Ivan Petrov	0.01 s	C	2020-02-07 09:32:21
3	Daisy Liu	0.01 s	C	2023-02-06 12:49:34
4	梁竣雅	0.01 s	C	2024-02-19 13:39:45
5	Bergur Snorrason	0.02 s	C	2018-10-27 19:02:52
6	Hidden user	0.02 s	C	2019-09-09 10:42:50
7	Anton Siderud	0.02 s	C	2020-01-18 12:36:53
8	顏訓哲	0.02 s	C	2020-02-08 15:10:42
9	Mary Madeline Nicole	0.02 s	C	2021-02-25 15:29:21
10	Komatsuna	0.02 s	C	2022-07-08 03:25:18

#	User	Runtime	Language	Date
1	Gustav Kalander	0.02 s	C#	2018-09-16 00:22:20

#	User	Runtime	Language	Date
1	David Cawthon	0.63 s	Common Lisp	2019-05-30 13:42:24

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-12-02 21:08:06

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2025-01-29 17:04:11
2	Jason Hooper	0.03 s	Haskell	2019-11-25 02:45:04
3	Joshua Coward	0.13 s	Haskell	2022-02-17 02:22:21
4	Jon-Magnus Rosenblad	0.33 s	Haskell	2020-10-12 14:06:33

#	User	Runtime	Language	Date
1	Nam Phan Thành	0.06 s	Java	2018-09-19 04:54:43
2	Luis Ligunas	0.07 s	Java	2018-09-15 04:29:54
3	Vudhidej Dejmul	0.09 s	Java	2018-09-15 04:38:06
4	Taras Romanyuk	0.09 s	Java	2024-10-26 23:32:43
5	Nguyễn Hùng Cường	0.10 s	Java	2018-09-15 06:23:10
6	Bjørn Dons	0.10 s	Java	2018-10-29 21:49:13
7	Steven Cheng	0.10 s	Java	2019-01-28 19:18:00
8	Steven Halim	0.11 s	Java	2018-09-11 07:39:05
9	Jingyi Yang	0.11 s	Java	2018-09-15 04:23:04
10	Ali Pervaiz	0.11 s	Java	2019-07-03 20:00:55

#	User	Runtime	Language	Date
1	Peter Kedemo	0.56 s	JavaScript (Node.js)	2020-01-05 11:24:12

#	User	Runtime	Language	Date
1	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-07-25 00:12:05
2	Hà Minh Ngọc	0.12 s	JavaScript (SpiderMonkey)	2018-09-15 06:35:47
3	Bjørn Chr. Soltvedt	0.16 s	JavaScript (SpiderMonkey)	2019-01-21 04:02:55

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.06 s	Python 2	2018-09-23 11:38:26
2	Mathias Rav	0.06 s	Python 2	2018-09-23 12:01:55
3	Jesper Öqvist	0.06 s	Python 2	2018-11-07 19:54:19
4	Hermon Mulat	0.06 s	Python 2	2018-12-30 05:25:08
5	Måns Magnusson	0.06 s	Python 2	2019-05-31 13:56:06
6	Greg Hamerly	0.07 s	Python 2	2018-09-15 06:00:03
7	Mads Svejstrup	0.07 s	Python 2	2018-09-23 22:11:24
8	Matias Frank Jensen	0.08 s	Python 2	2018-09-23 12:43:25
9	Lars Åström	0.09 s	Python 2	2019-09-25 15:37:22
10	Søren Hjort	0.14 s	Python 2	2018-09-23 12:24:15

#	User	Runtime	Language	Date
1	Sebastián Villegas Mejía	0.02 s	Python 3	2019-05-25 22:48:16
2	Adam Vandolder	0.05 s	Python 3	2019-03-16 00:59:45
3	Isaac Lee	0.05 s	Python 3	2019-10-22 01:00:43
4	Iman Khodadi	0.05 s	Python 3	2023-06-13 06:36:45
5	Sindri Ingolfsson	0.06 s	Python 3	2019-02-09 00:39:11
6	Abishanan Sriranjan	0.06 s	Python 3	2021-10-07 19:48:32
7	Hidden user	0.06 s	Python 3	2025-02-20 03:36:21
8	Isaac Erdman	0.06 s	Python 3	2025-02-22 00:49:19
9	Tien Vu	0.06 s	Python 3	2025-04-02 07:26:28
10	Tran Tuong Minh Nguyen	0.07 s	Python 3	2018-09-15 05:46:46

#	User	Runtime	Language	Date
1	藤原潮人	0.00 s	Rust	2023-06-08 11:27:49
2	Vincent Lagerros	0.00 s	Rust	2024-05-20 18:25:28
3	Bas Dirks	0.02 s	Rust	2024-01-31 16:33:51
4	Ryosuke Takahashi	0.04 s	Rust	2023-06-11 16:23:01
5	Iker Lissarrague	0.04 s	Rust	2023-08-11 03:26:59
6	Iwancof	0.05 s	Rust	2023-06-06 11:03:58
7	Isak Jägberg	0.07 s	Rust	2021-01-10 20:34:05

#	User	Length	Language	Date
1	Jeffrey	847	C	2024-02-17 14:38:08
2	蔡杰恩	932	C	2023-02-15 15:21:14
3	Daisy Liu	1055	C	2023-02-06 12:49:34
4	Anton Siderud	1137	C	2020-01-23 13:49:12
5	Xinsheng Ooi	1184	C	2025-02-21 07:11:02
6	顏訓哲	1204	C	2020-02-08 15:10:42
7	Hidden user	1237	C	2019-09-09 10:42:50
8	黃郁嘉	1328	C	2020-02-27 11:52:53
9	tony lan	1328	C	2022-02-05 15:39:32
10	王偉俊	1350	C	2024-02-12 08:51:53

#	User	Length	Language	Date
1	Gustav Kalander	1704	C#	2018-09-16 00:22:20

#	User	Length	Language	Date
1	Jonas Sunandar	730	C++	2018-09-15 04:25:59
2	Lim Hong Hui Eugene	731	C++	2020-04-17 11:25:01
3	Nagata Parama Aptana	732	C++	2021-02-25 09:37:10
4	Johan Wind	739	C++	2018-10-29 02:54:49
5	Duy Triệu	741	C++	2018-09-15 04:30:11
6	Grae Yeandle	762	C++	2021-05-16 17:02:11
7	soutinho	764	C++	2022-06-14 15:47:47
8	Dat Vu	776	C++	2018-09-15 04:11:17
9	Jason Cannon	781	C++	2020-02-03 19:43:16
10	Bessie Cow	786	C++	2018-09-15 04:28:19

#	User	Length	Language	Date
1	David Cawthon	3942	Common Lisp	2019-05-30 13:42:24

#	User	Length	Language	Date
1	Norbert Voelker	4561	Go	2021-12-02 21:08:06

#	User	Length	Language	Date
1	Joshua Coward	883	Haskell	2022-02-17 17:07:11
2	Jon-Magnus Rosenblad	1058	Haskell	2020-10-12 14:06:33
3	Steinar Simonnes	1629	Haskell	2025-01-29 17:04:11
4	Jason Hooper	4556	Haskell	2019-11-25 03:54:53

#	User	Length	Language	Date
1	Eric Leow Yu Quan	1208	Java	2021-04-28 08:26:19
2	Nguyễn Mạnh Phúc	1218	Java	2018-10-19 04:29:06
3	Doug Goodman	1274	Java	2019-06-05 19:14:24
4	Phan Huỳnh Anh Thư	1332	Java	2023-10-17 06:52:04
5	Hidden user	1375	Java	2023-10-17 06:50:09
6	Ma Hongqiang	1405	Java	2018-09-16 05:42:57
7	Crystal Sharpe	1412	Java	2020-05-07 22:38:55
8	Joshua Coward	1421	Java	2020-03-16 20:07:05
9	Duncan Page	1426	Java	2018-11-19 23:49:20
10	Steven Halim	1452	Java	2018-09-11 07:39:05

#	User	Length	Language	Date
1	Peter Kedemo	1156	JavaScript (Node.js)	2020-01-05 11:24:12

#	User	Length	Language	Date
1	Christian Cederquist	1092	JavaScript (SpiderMonkey)	2023-07-25 00:12:05
2	Hà Minh Ngọc	1294	JavaScript (SpiderMonkey)	2018-09-15 06:35:47
3	Bjørn Chr. Soltvedt	2113	JavaScript (SpiderMonkey)	2019-01-21 04:02:55

#	User	Length	Language	Date
1	Thomas Feld	473	Python 2	2020-08-18 10:22:13
2	Måns Magnusson	586	Python 2	2019-05-31 13:56:06
3	Jesper Öqvist	610	Python 2	2018-11-07 19:54:19
4	Andreas Björklund	641	Python 2	2019-04-15 18:12:07
5	Lars Åström	706	Python 2	2019-09-25 15:37:22
6	Andre Pratama	786	Python 2	2018-09-15 04:28:38
7	Oskar Haarklou Veileborg	839	Python 2	2018-09-23 11:38:26
8	Greg Hamerly	859	Python 2	2018-09-15 06:00:03
9	Mathias Rav	914	Python 2	2018-09-23 12:01:55
10	Alex Lewin	942	Python 2	2019-02-06 00:46:29

#	User	Length	Language	Date
1	Peter Stauder	284	Python 3	2023-06-17 22:41:37
2	Benjamin Z White	318	Python 3	2023-05-31 00:40:59
3	Ahmed Chamseddine	396	Python 3	2025-05-17 00:00:26
4	Kelly Dance	440	Python 3	2023-07-29 23:27:47
5	George Zhang	472	Python 3	2025-05-26 01:12:19
6	Nicholas Russell Saerang	474	Python 3	2024-02-17 13:24:06
7	Alexandre Charland	492	Python 3	2025-06-22 03:10:01
8	Isaac Erdman	498	Python 3	2025-02-22 00:49:19
9	Zac Friggstad	525	Python 3	2021-08-01 23:28:09
10	Jason Clarke	542	Python 3	2024-05-15 09:38:17

#	User	Length	Language	Date
1	Bas Dirks	1677	Rust	2024-01-31 16:33:51
2	Iker Lissarrague	2001	Rust	2023-08-11 03:26:59
3	藤原潮人	3402	Rust	2023-06-08 11:27:49
4	Isak Jägberg	3615	Rust	2021-01-10 20:34:05
5	Vincent Lagerros	4979	Rust	2024-05-20 18:25:28
6	Ryosuke Takahashi	5619	Rust	2023-06-11 16:23:01
7	Iwancof	20482	Rust	2023-06-06 11:03:58

Solution running time distribution