Problem I
Battleship — Problem Statistics

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Submissions	4825
Accepted submissions	930
Submission ratio	19.27%
Authors	777
Full solves [?]	586
Full solve Ratio	75.42%

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.03 s	C#	2019-01-16 19:32:33
2	Bingfeng Zhu	0.03 s	C#	2019-11-26 14:24:39
3	Jimmy E	0.03 s	C#	2019-11-30 14:07:22
4	Taner Yavuz	0.03 s	C#	2019-12-22 15:16:37
5	Hidden user	0.03 s	C#	2022-02-06 16:28:03
6	Filip D.	0.03 s	C#	2022-06-05 16:14:25
7	Fredrik Lundström	0.04 s	C#	2022-08-24 15:59:00
8	Shilpa	0.04 s	C#	2022-09-09 21:27:14
9	Jacob Kjörk	0.05 s	C#	2020-07-05 14:46:53
10	Juan C	0.05 s	C#	2023-08-11 07:07:24

#	User	Runtime	Language	Date
1	99 engineers	0.00 s	Go	2024-03-25 14:48:52
2	Tao Sun	0.09 s	Go	2023-08-12 18:03:43

#	User	Runtime	Language	Date
1	Matthew Gvasalia	0.02 s	Haskell	2023-08-02 14:57:09
2	Li Jun	0.06 s	Haskell	2023-06-24 21:31:11

#	User	Runtime	Language	Date
1	Nick Wu	0.07 s	Java	2016-03-03 07:53:11
2	Crystal Sharpe	0.07 s	Java	2020-05-31 01:05:55
3	Erik Odenman	0.10 s	Java	2013-04-10 18:17:54
4	Michael Sullivan	0.10 s	Java	2016-02-16 09:59:24
5	Wu Zhen Rong	0.11 s	Java	2018-07-07 09:31:07
6	Bill Fei	0.11 s	Java	2020-06-18 21:10:55
7	Hidden user	0.11 s	Java	2020-12-25 21:18:24
8	Ivan Kosov	0.11 s	Java	2024-07-04 02:55:44
9	Filip Reinholdsson	0.12 s	Java	2022-11-22 22:20:39
10	Apoorv Dharmadhikari	0.13 s	Java	2019-09-16 07:56:32

#	User	Runtime	Language	Date
1	Akalanka Silva	0.11 s	JavaScript (Node.js)	2023-05-20 22:53:33
2	Christofer Perez	0.14 s	JavaScript (Node.js)	2023-09-12 15:33:37
3	Daniel Cabral	0.44 s	JavaScript (Node.js)	2020-03-24 18:53:00
4	Nguyen Dinh Vu	0.44 s	JavaScript (Node.js)	2021-03-08 15:08:38
5	Sigve Hortemo Sæther	0.44 s	JavaScript (Node.js)	2021-07-01 21:22:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2021-03-22 16:00:24
2	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-08-16 17:00:14
3	Peter Kedemo	0.06 s	JavaScript (SpiderMonkey)	2016-09-22 22:13:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.75 s	Julia	2024-06-18 08:59:19

#	User	Runtime	Language	Date
1	Johnny Baloney	0.21 s	Kotlin	2021-11-21 23:12:01
2	Ravisai Tiruvuri	0.22 s	Kotlin	2024-03-20 10:35:35
3	Max Holmberg	0.30 s	Kotlin	2023-12-30 23:03:29
4	Adam Rankin	0.31 s	Kotlin	2023-09-22 18:47:23

#	User	Runtime	Language	Date
1	Denis BAURAIN	0.02 s	Perl	2026-01-22 00:28:04

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.07 s	Python 2	2015-11-10 10:12:21
2	David Wetterau	0.07 s	Python 2	2016-03-01 01:47:52
3	Qing Lin	0.07 s	Python 2	2019-06-29 23:15:51
4	Eric Williamson	0.08 s	Python 2	2018-01-13 20:42:56
5	Jimmy E	0.08 s	Python 2	2019-11-30 11:19:47
6	Sidra Kazmi	0.08 s	Python 2	2021-12-22 18:34:45
7	Oskar Haarklou Veileborg	0.09 s	Python 2	2019-10-04 13:21:55
8	Hidden user	0.10 s	Python 2	2019-07-11 01:16:22

#	User	Runtime	Language	Date
1	Alvin Yan	0.04 s	Python 3	2018-06-26 07:00:31
2	Christian Lindeström	0.05 s	Python 3	2016-11-25 01:24:54
3	Josenildo Silva	0.05 s	Python 3	2017-02-03 03:14:02
4	Bjørn Dons	0.05 s	Python 3	2018-10-16 07:41:34
5	James Elson	0.05 s	Python 3	2019-09-25 14:11:45
6	Vincent Tandya	0.05 s	Python 3	2019-11-11 19:40:58
7	Ivan Ivan	0.06 s	Python 3	2025-02-17 20:45:25
8	Gabriel Álvarez Mendoza	0.06 s	Python 3	2026-03-10 23:43:47
9	Ram Basnet	0.07 s	Python 3	2022-12-24 02:05:00
10	Cary Wu	0.07 s	Python 3	2024-02-24 17:44:36

#	User	Runtime	Language	Date
1	Ishtiaq Hussain Naqi	0.00 s	Rust	2023-08-29 10:37:55
2	Alexandr Last	0.00 s	Rust	2023-09-06 22:02:39
3	Adam Martinez	0.00 s	Rust	2026-03-25 14:26:42

#	User	Length	Language	Date
1	Leo Fayazi	1208	C	2022-07-18 00:45:12
2	Boris Vanhoof	1536	C	2025-09-29 21:43:24
3	陳重諺	1649	C	2021-01-26 16:39:17
4	Ivan Petrov	1691	C	2019-05-27 09:26:19
5	Hidden user	2154	C	2019-06-25 03:33:27
6	Hidden user	2278	C	2020-03-08 11:34:38
7	Jing Wang	2541	C	2021-12-19 09:30:18
8	Andrew Roberts	3091	C	2018-04-21 17:17:00
9	Bergur Snorrason	3226	C	2019-10-16 11:07:36

#	User	Length	Language	Date
1	Chris	2018	C#	2024-08-01 16:12:29
2	Christiaan Holm	2164	C#	2024-08-01 16:13:52
3	Taner Yavuz	2572	C#	2019-12-22 15:16:37
4	Lukas P.	3197	C#	2026-02-26 17:23:23
5	Juan C	3262	C#	2023-08-11 07:07:24
6	Jimmy E	3474	C#	2019-11-30 14:10:30
7	Marcus Malmberg	3698	C#	2023-06-01 16:50:25
8	Fredrik Lundström	4156	C#	2022-08-24 15:59:00
9	Bingfeng Zhu	4398	C#	2019-11-26 14:24:39
10	Filip D.	4492	C#	2022-06-05 16:14:25

#	User	Length	Language	Date
1	OwO	677	C++	2021-01-21 18:21:01
2	Mugeon Kim	896	C++	2024-01-24 08:44:18
3	Zane Yu	901	C++	2019-01-03 08:15:03
4	Leonardo Blanger	911	C++	2020-08-28 21:11:39
5	Filip D.	933	C++	2022-06-05 16:00:10
6	Donald Dong	933	C++	2023-01-05 20:16:56
7	Dummy Kapil	933	C++	2025-06-26 08:31:39
8	Dhairya Patel	942	C++	2020-07-14 08:38:03
9	Roger Chen	943	C++	2021-05-27 19:37:34
10	Jim Zheng	954	C++	2020-01-21 20:28:53

#	User	Length	Language	Date
1	Tao Sun	2214	Go	2023-08-12 18:03:43
2	99 engineers	2664	Go	2024-03-25 14:48:52

#	User	Length	Language	Date
1	Li Jun	2123	Haskell	2023-06-24 21:47:01
2	Matthew Gvasalia	2494	Haskell	2023-08-02 14:57:09

#	User	Length	Language	Date
1	Kevin Kauffman	1507	Java	2021-12-29 05:28:07
2	SiBi	1646	Java	2019-04-10 06:42:26
3	Vibhu Srivastava	1694	Java	2019-03-23 21:31:30
4	Alamelu Valliapan	1715	Java	2021-12-02 12:55:55
5	Mohsen Dehbashi	1728	Java	2020-07-09 22:19:55
6	Bill Fei	1861	Java	2020-06-18 17:53:24
7	Doug Goodman	1886	Java	2020-03-09 17:18:01
8	Crystal Sharpe	1935	Java	2020-05-31 01:05:55
9	William Fiset	1960	Java	2015-11-09 13:56:28
10	Micah Stairs	1960	Java	2015-11-09 22:11:32

#	User	Length	Language	Date
1	Sigve Hortemo Sæther	1350	JavaScript (Node.js)	2021-07-01 21:22:31
2	Christofer Perez	1644	JavaScript (Node.js)	2023-09-12 15:33:37
3	Akalanka Silva	3138	JavaScript (Node.js)	2023-05-20 22:53:33
4	Nguyen Dinh Vu	4484	JavaScript (Node.js)	2021-03-08 15:08:38
5	Daniel Cabral	5146	JavaScript (Node.js)	2020-03-24 18:53:00

#	User	Length	Language	Date
1	Peter Kedemo	1421	JavaScript (SpiderMonkey)	2016-09-22 22:13:57
2	Bjørn Chr. Soltvedt	1525	JavaScript (SpiderMonkey)	2021-03-22 16:00:24
3	Christian Pilegaard Cederquist	1742	JavaScript (SpiderMonkey)	2023-08-16 17:00:14

#	User	Length	Language	Date
1	Timothy Gaede	2488	Julia	2024-06-18 08:59:19

#	User	Length	Language	Date
1	Adam Rankin	1762	Kotlin	2023-09-22 18:47:23
2	Johnny Baloney	2184	Kotlin	2021-11-21 23:12:01
3	Max Holmberg	2668	Kotlin	2023-12-30 23:03:29
4	Ravisai Tiruvuri	6106	Kotlin	2024-03-20 11:31:56

#	User	Length	Language	Date
1	Denis BAURAIN	1431	Perl	2026-01-22 00:28:56

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	766	Python 2	2019-10-04 13:21:55
2	Hidden user	1345	Python 2	2019-07-11 01:16:22
3	Eric Williamson	1444	Python 2	2018-01-13 20:42:56
4	Christofer Ohlsson	1457	Python 2	2015-11-10 10:12:21
5	David Wetterau	1988	Python 2	2016-03-01 01:47:52
6	Qing Lin	2043	Python 2	2019-06-29 23:15:51
7	Jimmy E	2043	Python 2	2019-11-30 11:19:47
8	Sidra Kazmi	2045	Python 2	2021-12-22 18:34:45

#	User	Length	Language	Date
1	Russell Ng	399	Python 3	2025-06-02 12:19:14
2	Nguyên Khôi Đỗ	414	Python 3	2025-05-26 01:43:52
3	Charles Ancheta	451	Python 3	2023-03-30 10:29:15
4	Thore Husfeldt	495	Python 3	2025-01-25 11:17:49
5	Jason Clarke	613	Python 3	2024-04-14 19:45:57
6	Shangyin Tan	784	Python 3	2020-01-22 02:21:07
7	Christian Lindeström	846	Python 3	2016-11-25 01:24:54
8	Bjørn Dons	914	Python 3	2019-12-22 23:10:26
9	Marketos Damigos	930	Python 3	2023-05-08 18:55:34
10	Mohammad Hashemi	934	Python 3	2020-06-01 15:22:06

#	User	Length	Language	Date
1	Adam Martinez	1811	Rust	2026-03-25 14:28:56
2	Ishtiaq Hussain Naqi	2010	Rust	2023-08-29 10:37:55
3	Alexandr Last	3017	Rust	2023-09-06 22:02:39

Solution running time distribution