Problem B
Grid Speed — Problem Statistics

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Submissions	137
Accepted submissions	15
Submission ratio	10.95%
Authors	20
Full solves [?]	10
Full solve Ratio	50.00%

#	User	Runtime	Language	Date
1	Simon Lindholm	0.04 s	C++	2019-09-28 15:40:00
2	Hidden user	0.06 s	C++	2022-07-09 00:25:17
3	Simon	0.07 s	C++	2022-04-20 21:16:38
4	Jiang Shenghu	0.60 s	C++	2019-09-29 10:37:46
5	Tobias Glimmerfors	0.60 s	C++	2020-08-06 15:47:08
6	Zac Friggstad	2.84 s	C++	2022-02-09 16:57:15
7	Ian DeHaan	3.88 s	C++	2023-04-11 01:54:50
8	Atli Fannar Franklín	4.74 s	C++	2024-03-19 14:59:39

#	User	Runtime	Language	Date
1	Andreas Björklund	2.88 s	Python 2	2019-09-30 18:18:49

#	User	Runtime	Language	Date
1	Duoduo Zhao	0.38 s	Python 3	2025-08-28 15:27:15

#	User	Length	Language	Date
1	Jiang Shenghu	2453	C++	2019-09-29 10:37:46
2	Simon Lindholm	2708	C++	2019-09-28 15:40:00
3	Zac Friggstad	2733	C++	2022-02-09 16:57:15
4	Ian DeHaan	2789	C++	2023-04-11 01:54:50
5	Tobias Glimmerfors	2970	C++	2020-08-06 15:47:08
6	Atli Fannar Franklín	2971	C++	2024-03-19 14:59:39
7	Simon	3204	C++	2022-04-30 18:48:37
8	Hidden user	4843	C++	2022-07-09 00:25:17

#	User	Length	Language	Date
1	Andreas Björklund	4625	Python 2	2019-09-30 18:18:49

#	User	Length	Language	Date
1	Duoduo Zhao	4494	Python 3	2025-08-28 15:27:15

Solution running time distribution