Problem A
Mini Battleship — Problem Statistics

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Submissions	2400
Accepted submissions	712
Submission ratio	29.67%
Authors	643
Full solves [?]	507
Full solve Ratio	78.85%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.13 s	C	2020-03-18 08:52:35
2	Alexander Kalo	0.37 s	C	2022-03-21 15:32:10
3	Isak Ellmer	0.69 s	C	2024-10-01 12:12:45
4	Zoltán Fiala	0.73 s	C	2022-06-26 14:35:23
5	George Benett	0.79 s	C	2022-04-05 18:42:24
6	Tiago Magalhaes	0.84 s	C	2022-04-05 18:34:01
7	Gustav Veide	0.89 s	C	2023-01-19 22:38:22
8	Sambit Palit	1.00 s	C	2020-11-14 01:47:28
9	Gregorio Marquez	1.04 s	C	2024-03-13 19:51:38

#	User	Runtime	Language	Date
1	Jose Luiz	2.70 s	C#	2021-12-10 15:44:26
2	Devashish Gulati	3.46 s	C#	2021-08-20 12:57:01
3	Benjamin Nilsson	3.48 s	C#	2023-05-30 00:28:43
4	Magnus Andersson	3.61 s	C#	2023-11-05 14:15:19
5	Hasan Md	4.52 s	C#	2024-02-24 16:33:20
6	Oskar Smedenmark	4.72 s	C#	2022-08-27 11:09:15
7	Muhammad Omar Mansour	4.83 s	C#	2022-05-22 10:26:44
8	Ragnhild Kosmo Holm	4.92 s	C#	2021-12-28 19:56:03
9	Neil Naicker	5.15 s	C#	2022-02-23 13:59:34
10	Nathan Andrews	5.32 s	C#	2024-09-26 22:32:46

#	User	Runtime	Language	Date
1	Greg Zborovsky	0.01 s	C++	2023-03-25 20:42:23
2	Hidden user	0.02 s	C++	2024-02-04 18:48:31
3	Fredrik Altenstedt	0.04 s	C++	2024-03-02 21:10:42
4	Tejas Kalpathi	0.04 s	C++	2025-02-23 05:22:19
5	Tan Kwang Thiag	0.05 s	C++	2024-02-04 21:58:43
6	Jirayu Burapacheep	0.06 s	C++	2020-03-08 18:52:10
7	Moses Mayer	0.06 s	C++	2022-04-11 23:14:27
8	Felix Halim	0.09 s	C++	2020-05-17 09:17:26
9	Jeffrey H.	0.14 s	C++	2025-02-05 02:29:44
10	Jeremy Lim	0.14 s	C++	2025-04-07 05:34:51

#	User	Runtime	Language	Date
1	Hidden user	1.36 s	Go	2024-05-05 22:39:51
2	Wei Wang	4.41 s	Go	2021-07-12 15:45:34
3	Jeremiah Hermosillo	5.52 s	Go	2025-10-01 21:48:50
4	Nathan Lee	5.75 s	Go	2025-09-25 17:41:25

#	User	Runtime	Language	Date
1	Vatsal Mistry	0.21 s	Java	2023-02-21 00:15:25
2	Doug Goodman	0.56 s	Java	2020-08-06 19:38:00
3	Matthew Mullen	0.58 s	Java	2021-02-06 23:20:00
4	Abdelrahman Mokbel	0.64 s	Java	2022-05-23 21:42:40
5	Oscar Tegmyr	0.70 s	Java	2021-12-28 15:05:47
6	Sharon Barak	0.71 s	Java	2020-02-22 16:59:51
7	Andrew Polizzotto	0.73 s	Java	2020-08-05 08:34:49
8	Xiaolin Zhao	0.76 s	Java	2024-10-04 20:31:58
9	Bjørn Dons	0.77 s	Java	2020-03-24 21:30:18
10	Crystal Sharpe	0.78 s	Java	2020-05-30 22:52:32

#	User	Runtime	Language	Date
1	Hidden user	5.43 s	JavaScript (Node.js)	2023-05-18 13:00:05

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.41 s	JavaScript (SpiderMonkey)	2020-10-20 23:13:37
2	Christian Pilegaard Cederquist	2.12 s	JavaScript (SpiderMonkey)	2024-01-20 21:39:32
3	Majed Dalain	2.89 s	JavaScript (SpiderMonkey)	2021-09-11 11:41:59

#	User	Runtime	Language	Date
1	Timothy Gaede	2.42 s	Julia	2024-09-03 10:51:17

#	User	Runtime	Language	Date
1	Jacob Huebner	1.20 s	Kotlin	2022-03-29 08:03:57
2	Nicholas Johnson	1.27 s	Kotlin	2020-02-25 22:23:55
3	Ivan Petrov	1.55 s	Kotlin	2020-02-25 09:19:18

#	User	Runtime	Language	Date
1	Andreas Björklund	0.20 s	Python 2	2020-08-28 06:07:47
2	Hidden user	2.76 s	Python 2	2020-02-22 17:11:52

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	Python 3	2025-12-11 07:32:09
2	Hidden user	0.32 s	Python 3	2025-02-23 05:04:29
3	Sami Melhem	0.33 s	Python 3	2025-02-23 23:45:25
4	Dun Ma	0.42 s	Python 3	2022-04-24 00:22:51
5	Dennis Sweeney	0.52 s	Python 3	2021-04-11 00:50:11
6	Hidden user	0.58 s	Python 3	2021-09-10 13:09:35
7	Jack Vacek	0.58 s	Python 3	2025-03-03 01:26:35
8	Ahmed Sikh	0.97 s	Python 3	2023-05-21 19:40:33
9	Ghaith Abou Dan	0.97 s	Python 3	2023-06-04 23:47:35
10	Lego Haryanto	0.99 s	Python 3	2025-01-03 07:43:56

#	User	Runtime	Language	Date
1	Lily Gloudemans	5.12 s	Rust	2022-12-20 05:35:44

#	User	Length	Language	Date
1	Ivan Petrov	1990	C	2020-03-18 08:52:35
2	Sambit Palit	2418	C	2020-11-14 01:47:28
3	Isak Ellmer	3104	C	2024-10-01 12:03:28
4	Gustav Veide	3289	C	2023-01-19 22:38:22
5	Tiago Magalhaes	3550	C	2022-04-05 15:25:04
6	Alexander Kalo	4585	C	2022-03-21 15:28:27
7	Zoltán Fiala	4687	C	2022-06-26 14:35:23
8	George Benett	4970	C	2022-04-05 18:42:24
9	Gregorio Marquez	7499	C	2024-03-13 19:51:38

#	User	Length	Language	Date
1	Hasan Md	2348	C#	2024-02-24 16:44:47
2	Nathan Andrews	4410	C#	2024-09-26 22:32:46
3	Arash Safari	4898	C#	2022-03-13 12:38:36
4	Jose Luiz	4942	C#	2021-12-10 15:44:26
5	Ragnhild Kosmo Holm	5162	C#	2021-12-28 19:56:03
6	Muhammad Omar Mansour	5526	C#	2022-05-22 10:28:43
7	Neil Naicker	6686	C#	2022-02-23 14:16:07
8	Magnus Andersson	6695	C#	2023-11-05 14:15:19
9	Oskar Smedenmark	6836	C#	2022-08-27 11:09:15
10	Harald V	7770	C#	2021-10-05 00:07:03

#	User	Length	Language	Date
1	Zac Friggstad	866	C++	2020-02-28 01:26:29
2	Tomasz Idziaszek	914	C++	2020-02-24 13:00:05
3	Shang-En Huang	1034	C++	2020-02-22 16:49:01
4	Dmitry Lyubshin	1036	C++	2023-04-03 13:53:58
5	Daniel Bogorad	1047	C++	2026-01-04 04:49:41
6	Özlem Aydoğmuş	1085	C++	2021-06-18 09:22:21
7	Joakim Blikstad	1146	C++	2020-03-05 20:40:27
8	Yen-Hsiang Chang	1189	C++	2020-03-02 16:13:21
9	Erik Amirell Eklöf	1198	C++	2020-08-19 19:24:02
10	Tianqi Feng	1218	C++	2021-08-20 12:29:26

#	User	Length	Language	Date
1	Jeremiah Hermosillo	2664	Go	2025-10-01 21:48:50
2	Nathan Lee	2815	Go	2025-09-25 17:41:25
3	Hidden user	2950	Go	2024-05-05 22:39:51
4	Wei Wang	5199	Go	2021-07-12 15:44:18

#	User	Length	Language	Date
1	Joshua Delgado	2073	Java	2020-02-22 17:02:03
2	Jacqueline van der Meulen	2089	Java	2020-02-26 18:14:34
3	Özlem Aydoğmuş	2123	Java	2021-06-25 16:19:34
4	Brendan King	2137	Java	2020-08-02 21:43:06
5	Andrew Polizzotto	2148	Java	2020-08-05 08:34:49
6	Ali Darwish	2315	Java	2021-06-13 10:59:18
7	Mounika Adinarayanareddygari	2323	Java	2022-04-24 20:01:17
8	Crystal Sharpe	2359	Java	2020-05-30 22:49:55
9	Muhammad Omar Mansour	2522	Java	2022-05-21 14:30:04
10	Håkan Thorleifsson	2550	Java	2022-04-05 23:08:14

#	User	Length	Language	Date
1	Hidden user	8203	JavaScript (Node.js)	2023-05-18 13:00:05

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1703	JavaScript (SpiderMonkey)	2024-01-20 21:37:33
2	Bjørn Chr. Soltvedt	2013	JavaScript (SpiderMonkey)	2020-10-20 23:13:37
3	Majed Dalain	2395	JavaScript (SpiderMonkey)	2021-09-11 11:41:59

#	User	Length	Language	Date
1	Timothy Gaede	4378	Julia	2024-09-03 10:51:17

#	User	Length	Language	Date
1	Ivan Petrov	2185	Kotlin	2020-02-25 09:19:18
2	Nicholas Johnson	2240	Kotlin	2020-02-23 04:18:07
3	Jacob Huebner	3221	Kotlin	2022-03-29 08:03:57

#	User	Length	Language	Date
1	Hidden user	1268	Python 2	2020-02-22 17:11:52
2	Andreas Björklund	1564	Python 2	2020-08-28 06:07:47

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	775	Python 3	2020-07-03 14:49:22
2	Caleb Dastrup	1172	Python 3	2025-02-08 20:13:18
3	Jacob Messinger	1236	Python 3	2023-02-09 18:48:05
4	Nicholas Russell Saerang	1259	Python 3	2024-06-02 16:26:32
5	Arvin -	1266	Python 3	2021-09-10 02:16:29
6	Ryoki Kunii	1450	Python 3	2020-10-23 02:15:49
7	Viktor Ytterborn	1556	Python 3	2025-03-07 13:00:05
8	Lego Haryanto	1642	Python 3	2025-01-03 07:43:56
9	Teikn Smith	1683	Python 3	2022-05-20 02:58:14
10	Ahmed Siadomar	1684	Python 3	2023-05-17 20:56:47

#	User	Length	Language	Date
1	Lily Gloudemans	2600	Rust	2022-12-20 05:35:44

Solution running time distribution