Problem AA
Magic Checkerboard — Problem Statistics

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Submissions	441
Accepted submissions	53
Submission ratio	12.02%
Authors	85
Accepted authors	36
Author ratio	42.35%

#	User	Runtime	Language	Date
1	Presley Graham	0.08 s	C++	2020-02-28 21:27:32
2	Alex Labbane	0.26 s	C++	2020-02-12 03:12:55
3	Joshua Lass	0.28 s	C++	2023-02-22 02:55:22
4	Hidden user	0.29 s	C++	2018-02-18 18:18:51
5	Jack Lewicki	0.31 s	C++	2025-02-22 04:38:46
6	Giovanna Kobus Conrado	0.35 s	C++	2019-04-30 21:33:36
7	Ethan Luo	0.35 s	C++	2022-02-21 02:05:26
8	Nguyen Xuan Minh	0.35 s	C++	2022-02-24 07:27:24
9	Pranav Krishnan	0.39 s	C++	2024-02-23 07:55:55
10	Hidden user	0.41 s	C++	2017-03-12 08:54:18

#	User	Runtime	Language	Date
1	Hidden user	0.75 s	Java	2020-02-16 02:31:14
2	Mark Sturtevant	0.76 s	Java	2022-02-27 06:10:38
3	Nathan Leake	2.18 s	Java	2017-03-24 06:40:11

#	User	Runtime	Language	Date
1	Laith Bohsali	0.81 s	Python 3	2025-02-21 00:44:49
2	Hidden user	1.90 s	Python 3	2025-02-19 22:50:46
3	Ryuki Kobayashi	2.55 s	Python 3	2021-03-02 02:02:01

#	User	Runtime	Language	Date
1	Mckinley Xie	0.49 s	Rust	2025-02-24 23:19:13

#	User	Length	Language	Date
1	Presley Graham	1517	C++	2021-03-07 21:53:40
2	Hidden user	1539	C++	2018-02-17 03:18:18
3	Hidden user	1846	C++	2025-03-01 06:07:04
4	Kevin Zhang	2057	C++	2025-02-25 01:36:05
5	Hidden user	2139	C++	2018-02-18 18:18:51
6	Giovanna Kobus Conrado	2297	C++	2019-04-30 21:33:36
7	Tanner Hoke	2619	C++	2020-02-18 02:55:07
8	Yuan Yao	2785	C++	2018-02-25 07:00:17
9	Nguyen Xuan Minh	2829	C++	2022-02-24 07:27:24
10	Pranav Krishnan	2926	C++	2024-02-23 07:56:34

#	User	Length	Language	Date
1	Hidden user	3855	Java	2020-02-16 02:31:14
2	Nathan Leake	4300	Java	2017-03-24 06:40:11
3	Mark Sturtevant	4783	Java	2023-02-21 21:44:58

#	User	Length	Language	Date
1	Laith Bohsali	1749	Python 3	2025-02-21 00:44:49
2	Hidden user	3119	Python 3	2025-02-19 22:50:46
3	Ryuki Kobayashi	4646	Python 3	2021-03-02 02:02:01

#	User	Length	Language	Date
1	Mckinley Xie	2515	Rust	2025-02-24 23:19:13

Solution running time distribution