Problem A
Domino — Problem Statistics

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Submissions	451
Accepted submissions	106
Submission ratio	23.50%
Authors	101
Full solves [?]	49
Full solve Ratio	48.51%

#	User	Runtime	Language	Date
1	Ivan Petrov	1.45 s	C	2019-11-29 11:19:49

#	User	Runtime	Language	Date
1	Brandon Zhang	0.21 s	C++	2023-12-16 11:52:54
2	Jeremy Lim	0.28 s	C++	2024-05-02 16:30:47
3	David Brink	0.34 s	C++	2023-08-26 08:23:14
4	Hidden user	0.36 s	C++	2024-12-29 19:01:45
5	David Avellan-Hultman	0.44 s	C++	2019-02-13 00:41:01
6	Mikhail Andriichuk	0.50 s	C++	2025-12-27 19:28:04
7	Richard Wang	0.60 s	C++	2023-11-05 21:24:13
8	Nguyên Hoàng	0.60 s	C++	2025-03-05 16:26:25
9	Michael Krause	0.67 s	C++	2018-11-03 13:14:34
10	Alexander Skidanov	0.72 s	C++	2025-12-29 21:55:18

#	User	Runtime	Language	Date
1	Olav Røthe Bakken	2.68 s	Java	2018-03-14 14:12:25

#	User	Runtime	Language	Date
1	Hidden user	0.72 s	Python 2	2018-03-07 08:18:53

#	User	Runtime	Language	Date
1	Isaac Lee	0.66 s	Python 3	2025-02-01 04:21:50
2	gulinazha	1.25 s	Python 3	2026-03-09 07:16:06

#	User	Runtime	Language	Date
1	Jonathan Jiang	0.35 s	Rust	2021-04-16 02:47:10
2	Ole Vik Lysne	1.86 s	Rust	2026-01-06 22:30:10

#	User	Length	Language	Date
1	Ivan Petrov	11870	C	2019-11-29 11:19:49

#	User	Length	Language	Date
1	Jeremy Lim	1094	C++	2024-12-11 21:45:05
2	Antoni Guz	1236	C++	2019-02-08 22:40:27
3	Zac Friggstad	1291	C++	2020-01-13 21:28:51
4	Willson Wijaya	1720	C++	2020-07-30 08:57:13
5	Paul Wild	1731	C++	2018-09-03 17:02:17
6	Nicholas Winschel	1990	C++	2023-10-25 21:16:30
7	Hidden user	2037	C++	2024-12-29 19:01:45
8	Timo Teufel	2047	C++	2020-09-04 15:08:58
9	Josenildo Silva	2054	C++	2017-02-20 03:38:25
10	Gabriel Dengler	2134	C++	2020-09-04 15:10:43

#	User	Length	Language	Date
1	Olav Røthe Bakken	3998	Java	2018-03-14 14:12:25

#	User	Length	Language	Date
1	Hidden user	1110	Python 2	2018-03-06 23:19:02

#	User	Length	Language	Date
1	Isaac Lee	4209	Python 3	2025-02-01 04:21:50
2	gulinazha	4263	Python 3	2026-03-09 07:16:06

#	User	Length	Language	Date
1	Ole Vik Lysne	5245	Rust	2026-01-06 22:26:39
2	Jonathan Jiang	8707	Rust	2021-04-16 02:47:10

Solution running time distribution