Problem I
Lone Rook — Problem Statistics

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Submissions	727
Accepted submissions	128
Submission ratio	17.61%
Authors	107
Accepted authors	71
Author ratio	66.36%

#	User	Runtime	Language	Date
1	Andrew Polizzotto	0.03 s	C++	2022-02-28 00:58:42
2	Jonathan Keane	0.03 s	C++	2022-03-02 23:16:10
3	Dmitry Lyubshin	0.03 s	C++	2023-06-08 06:23:00
4	Ayush Ram	0.05 s	C++	2022-03-01 08:22:50
5	Phillo Tunru	0.06 s	C++	2023-02-16 09:26:45
6	Jeremy Lim	0.08 s	C++	2025-05-21 19:50:33
7	Seth Baunach	0.26 s	C++	2022-04-16 20:39:37
8	Kristinn Hrafn Daníelsson	0.26 s	C++	2025-05-26 17:54:55
9	Lucas Scharenbroch	0.32 s	C++	2023-05-10 19:16:38
10	Björn Magnusson	0.42 s	C++	2022-11-22 10:34:11

#	User	Runtime	Language	Date
1	Steinar Simonnes	4.06 s	Haskell	2025-02-13 15:03:48

#	User	Runtime	Language	Date
1	Peter Li	0.72 s	Java	2022-03-01 20:24:54
2	Zach Tschetter	1.89 s	Java	2022-03-04 19:16:05
3	Collin Jakubik	1.96 s	Java	2022-03-06 02:05:19
4	Ray Bai	2.80 s	Java	2022-03-09 03:00:35
5	Suhas T. Nagar	5.41 s	Java	2022-11-14 01:21:21
6	Doug Goodman	7.93 s	Java	2022-03-04 20:17:17
7	Michael O'Brien	10.13 s	Java	2022-03-04 22:23:57

#	User	Runtime	Language	Date
1	Christian Cederquist	3.01 s	JavaScript (SpiderMonkey)	2023-02-28 23:29:02

#	User	Runtime	Language	Date
1	Jacob Huebner	0.49 s	Kotlin	2022-02-28 02:00:49

#	User	Runtime	Language	Date
1	Isaac Lee	0.41 s	Python 3	2022-04-11 07:12:33
2	Josh Taylor	0.42 s	Python 3	2023-10-13 02:21:34
3	Ole Vik Lysne	2.11 s	Python 3	2024-09-25 17:40:04
4	Simen Sørensen	4.28 s	Python 3	2024-09-25 02:51:02
5	Braydon Hunt	4.99 s	Python 3	2022-03-23 06:55:53
6	Nicholas Russell Saerang	8.01 s	Python 3	2023-08-05 19:12:28
7	Vincent Scala	8.38 s	Python 3	2024-08-09 00:23:01

#	User	Length	Language	Date
1	Nguyen Xuan Tung	1308	C++	2023-12-25 04:49:38
2	Dmitry Lyubshin	1464	C++	2023-06-08 06:23:00
3	Cameron Custer	1953	C++	2022-09-25 03:30:36
4	Tyler Marks	2348	C++	2022-09-25 03:48:42
5	Chris Trevisan	2599	C++	2022-03-12 00:55:48
6	Jeremy Lim	2621	C++	2025-05-21 19:50:33
7	Zac Friggstad	2688	C++	2022-03-09 22:00:25
8	Thomas Yang	2762	C++	2022-02-27 23:31:35
9	Phillo Tunru	2800	C++	2023-02-16 09:26:45
10	Richard Wang	2830	C++	2023-01-20 17:42:22

#	User	Length	Language	Date
1	Steinar Simonnes	4434	Haskell	2025-02-13 15:08:21

#	User	Length	Language	Date
1	Doug Goodman	2489	Java	2022-03-04 20:17:17
2	Zach Tschetter	2905	Java	2022-03-04 19:23:48
3	Suhas T. Nagar	3701	Java	2022-11-14 01:21:21
4	Collin Jakubik	3752	Java	2022-03-06 02:02:13
5	Michael O'Brien	3790	Java	2022-03-04 22:23:57
6	Peter Li	7107	Java	2022-03-01 20:24:54
7	Ray Bai	12509	Java	2022-03-09 03:00:35

#	User	Length	Language	Date
1	Christian Cederquist	5343	JavaScript (SpiderMonkey)	2023-02-28 23:39:45

#	User	Length	Language	Date
1	Jacob Huebner	3994	Kotlin	2022-02-28 02:00:49

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1493	Python 3	2023-08-05 19:12:28
2	Josh Taylor	1660	Python 3	2023-10-13 02:21:34
3	Vincent Scala	2583	Python 3	2024-08-09 00:23:01
4	Ole Vik Lysne	2786	Python 3	2024-09-25 17:42:05
5	Isaac Lee	2807	Python 3	2022-04-11 07:12:33
6	Braydon Hunt	3193	Python 3	2022-03-23 06:55:53
7	Simen Sørensen	3847	Python 3	2024-10-08 10:36:33

Solution running time distribution