Problem D
Magic Checkerboard — Problem Statistics

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Submissions	333
Accepted submissions	43
Submission ratio	12.91%
Authors	65
Accepted authors	26
Author ratio	40.00%

#	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	Giovanna Kobus Conrado	0.35 s	C++	2019-04-30 21:33:36
6	Ethan Luo	0.35 s	C++	2022-02-21 02:05:26
7	Nguyen Xuan Minh	0.35 s	C++	2022-02-24 07:27:24
8	Pranav Krishnan	0.39 s	C++	2024-02-23 07:55:55
9	Hidden user	0.41 s	C++	2017-03-12 08:54:18
10	Hidden user	0.42 s	C++	2018-02-17 03:18:18

#	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	Ryuki Kobayashi	2.55 s	Python 3	2021-03-02 02:02:01

#	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	2139	C++	2018-02-18 18:18:51
4	Giovanna Kobus Conrado	2297	C++	2019-04-30 21:33:36
5	Tanner Hoke	2619	C++	2020-02-18 02:55:07
6	Yuan Yao	2785	C++	2018-02-25 07:00:17
7	Nguyen Xuan Minh	2829	C++	2022-02-24 07:27:24
8	Pranav Krishnan	2926	C++	2024-02-23 07:56:34
9	Nghiep Chinh Luu	2987	C++	2020-02-17 23:44:31
10	Dien Chau	3121	C++	2023-02-27 19:20:55

#	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	Ryuki Kobayashi	4646	Python 3	2021-03-02 02:02:01

Solution running time distribution