Problem I
Tic Tac Toe — Problem Statistics

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Submissions	4671
Accepted submissions	906
Submission ratio	19.40%
Authors	948
Accepted authors	708
Author ratio	74.68%

#	User	Runtime	Language	Date
1	Adrian Bay Dorph	0.02 s	C#	2021-11-26 19:04:29
2	Lotten Johansson	0.04 s	C#	2024-11-23 11:07:41

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Common Lisp	2019-06-08 03:37:36

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.02 s	Go	2021-05-15 03:22:42
2	Muhammad Auliya	0.02 s	Go	2022-08-27 08:55:12

#	User	Runtime	Language	Date
1	Li Jun	0.00 s	Haskell	2023-06-25 18:27:22
2	Brent Yorgey	0.01 s	Haskell	2019-12-30 15:57:29
3	Matthew Gvasalia	0.01 s	Haskell	2023-08-14 21:06:14

#	User	Runtime	Language	Date
1	Jiwoo Kim	0.04 s	Java	2025-04-02 05:27:20
2	José Vander Meulen	0.06 s	Java	2018-03-16 22:05:03
3	Hidden user	0.06 s	Java	2018-11-05 13:46:35
4	Crystal Sharpe	0.06 s	Java	2020-05-02 16:40:13
5	Magnus Eide-Fredriksen	0.06 s	Java	2024-06-08 11:22:22
6	Ivan Kosov	0.06 s	Java	2024-07-06 20:55:58
7	Sunny Guan	0.07 s	Java	2020-08-29 20:14:15
8	Nick Burnett	0.07 s	Java	2020-08-29 21:03:33
9	Haifan Wu	0.07 s	Java	2020-10-24 23:19:20
10	Ruslan	0.07 s	Java	2022-12-25 06:03:36

#	User	Runtime	Language	Date
1	Serena Lynas	0.31 s	JavaScript (Node.js)	2025-03-28 07:00:29

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-09-07 22:49:43
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-02-04 02:34:55
3	Christian Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-08-12 12:56:27

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Kotlin	2018-11-04 22:42:36
2	Johnny Baloney	0.15 s	Kotlin	2021-11-27 22:42:49
3	Thanh Le	0.20 s	Kotlin	2020-09-23 00:23:52
4	Max Holmberg	0.21 s	Kotlin	2023-12-30 22:30:42
5	Ravisai Tiruvuri	0.21 s	Kotlin	2024-03-20 18:06:31
6	Adam Rankin	0.23 s	Kotlin	2023-09-09 21:49:30
7	Min-Zheng Shieh	0.24 s	Kotlin	2021-01-19 17:07:44
8	Adam Koprowski	0.27 s	Kotlin	2021-11-27 23:01:03

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-11-20 11:57:49

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Python 2	2019-08-04 13:50:14
2	Lars Åström	0.13 s	Python 2	2019-06-25 19:53:00

#	User	Runtime	Language	Date
1	Marcus Dicander	0.02 s	Python 3	2017-12-05 20:39:01
2	Ciara Godwin	0.02 s	Python 3	2017-12-05 22:00:47
3	James Hamm	0.02 s	Python 3	2017-12-13 17:54:20
4	Công Chính	0.02 s	Python 3	2018-02-27 01:58:15
5	Kasra Ghodsi	0.02 s	Python 3	2018-04-26 17:14:35
6	Got Yaoi	0.02 s	Python 3	2018-05-09 02:18:31
7	Vincent Tandya	0.02 s	Python 3	2019-01-14 20:00:56
8	Ainun Najib	0.02 s	Python 3	2019-08-01 16:51:32
9	Immanuel Josiah Ang Balete	0.02 s	Python 3	2019-08-03 06:22:55
10	Austin Fernandez	0.02 s	Python 3	2019-08-11 18:26:16

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-17 11:20:02
2	Isak Jägberg	0.00 s	Rust	2022-01-02 20:51:55
3	Vincent Lagerros	0.00 s	Rust	2024-02-23 20:00:06
4	Artur Khuziakhmetov	0.00 s	Rust	2025-01-22 11:55:48
5	Hidden user	0.00 s	Rust	2025-02-04 23:14:24
6	Nicolas Bliss-Carrascosa	0.00 s	Rust	2025-03-25 00:27:38
7	Alice Ryhl	0.01 s	Rust	2021-11-26 16:58:14
8	Hidden user	0.02 s	Rust	2019-12-14 00:42:31

#	User	Length	Language	Date
1	Ivan Petrov	898	C	2020-01-09 10:44:20
2	陳重諺	1409	C	2021-01-24 09:13:02
3	Geoff Aaron Topacio	1568	C	2020-10-26 15:30:56
4	Isabella Bosia	1607	C	2020-03-23 20:06:32
5	Jack Gurdin	1679	C	2022-11-17 16:13:37
6	Jan Ambro Canicon	1719	C	2020-10-27 06:28:44
7	Andrew Roberts	1945	C	2019-05-25 01:56:11
8	Hidden user	1999	C	2018-04-18 22:10:04
9	Tomasz Kramkowski	2050	C	2020-03-23 19:52:58
10	Alexander Bilde Pedersen	2867	C	2025-03-07 17:10:21

#	User	Length	Language	Date
1	Lotten Johansson	2057	C#	2024-11-23 11:07:41
2	Adrian Bay Dorph	3429	C#	2021-11-26 19:04:29

#	User	Length	Language	Date
1	Ernest Ng Zi Xuan	553	C++	2023-05-16 05:54:34
2	Josenildo Silva	723	C++	2018-07-19 04:34:44
3	Hidden user	762	C++	2024-01-25 14:10:22
4	Jun Yan	822	C++	2023-08-22 14:09:54
5	Luciano Arnaldo Romero Calla	849	C++	2024-09-24 19:48:00
6	Spynder	878	C++	2023-08-23 22:35:36
7	Donald Dong	917	C++	2019-04-12 06:23:46
8	Markus Mathiasen	926	C++	2021-06-11 14:42:44
9	Dummy Kapil	979	C++	2025-06-27 13:36:22
10	Armen Andreasyan	983	C++	2020-06-06 09:29:42

#	User	Length	Language	Date
1	Hidden user	1476	Common Lisp	2019-06-08 03:37:36

#	User	Length	Language	Date
1	Krzysztof Gibuła	1529	Go	2021-05-15 03:22:42
2	Muhammad Auliya	2332	Go	2022-08-27 08:55:12

#	User	Length	Language	Date
1	Li Jun	1243	Haskell	2023-06-25 18:29:07
2	Brent Yorgey	2338	Haskell	2019-12-30 15:57:29
3	Matthew Gvasalia	2823	Haskell	2023-08-14 21:06:14

#	User	Length	Language	Date
1	Gretel Mendoza	1336	Java	2020-10-21 00:07:37
2	Doug Goodman	1494	Java	2018-05-29 19:50:49
3	John Vincent Chua	1828	Java	2020-10-20 12:19:09
4	Amos Rafael J. Cacha	1845	Java	2020-10-20 14:19:48
5	Giorgi Mchedlishvili	1868	Java	2025-03-07 18:20:53
6	Sophia Danielle Vista	1894	Java	2020-10-20 13:15:23
7	Francheska Josefa Vicente	1899	Java	2020-11-02 06:38:39
8	Benedict Sun	1996	Java	2020-10-23 10:26:58
9	Arjun Thillairajah	1997	Java	2025-03-26 22:39:51
10	Lorene Uy	2035	Java	2020-10-20 17:26:25

#	User	Length	Language	Date
1	Serena Lynas	1719	JavaScript (Node.js)	2025-03-28 07:00:29

#	User	Length	Language	Date
1	Jimmy Gustafsson	1095	JavaScript (SpiderMonkey)	2022-09-07 22:49:43
2	Bjørn Chr. Soltvedt	1407	JavaScript (SpiderMonkey)	2019-02-04 02:25:37
3	Christian Cederquist	1596	JavaScript (SpiderMonkey)	2023-08-12 12:56:27

#	User	Length	Language	Date
1	Min-Zheng Shieh	1366	Kotlin	2021-01-19 17:07:44
2	Johnny Baloney	1729	Kotlin	2021-11-27 22:42:49
3	Hidden user	2182	Kotlin	2018-11-04 22:42:36
4	Thanh Le	2205	Kotlin	2020-09-23 00:23:52
5	Adam Koprowski	2206	Kotlin	2021-11-27 23:01:03
6	Max Holmberg	2903	Kotlin	2023-12-30 22:30:42
7	Adam Rankin	3029	Kotlin	2023-09-09 21:49:30
8	Ravisai Tiruvuri	6664	Kotlin	2024-03-20 18:06:31

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2616	Pascal	2019-11-20 11:57:49

#	User	Length	Language	Date
1	Hidden user	1054	Python 2	2019-08-04 13:50:14
2	Lars Åström	1123	Python 2	2019-06-25 19:53:00

#	User	Length	Language	Date
1	Russell Ng	349	Python 3	2025-06-02 13:27:24
2	Nguyên Khôi Đỗ	407	Python 3	2025-05-26 12:44:39
3	Charles Ancheta	468	Python 3	2023-03-30 10:40:15
4	Thibault Raffaillac	628	Python 3	2020-01-28 22:18:22
5	Hidden user	629	Python 3	2023-01-31 02:56:15
6	Ocram Esah	788	Python 3	2022-04-30 18:14:32
7	Aiting	810	Python 3	2025-03-07 18:19:07
8	April Chao	844	Python 3	2020-09-11 06:31:10
9	Daryll Ko	847	Python 3	2022-01-15 17:56:38
10	Kaleb Kim	851	Python 3	2025-04-03 01:22:47

#	User	Length	Language	Date
1	Artur Khuziakhmetov	848	Rust	2025-01-22 12:14:57
2	Nicolas Bliss-Carrascosa	2263	Rust	2025-03-25 00:27:38
3	Hidden user	2990	Rust	2019-12-14 00:43:38
4	Alice Ryhl	3430	Rust	2021-11-26 16:58:14
5	Hidden user	4196	Rust	2025-02-04 23:14:24
6	Isak Jägberg	4833	Rust	2022-01-02 20:51:55
7	Vincent Lagerros	5544	Rust	2024-02-23 20:00:06
8	Pahlevi Fikri Auliya	10104	Rust	2020-10-17 11:20:02

Solution running time distribution