Problem L
Cleaning Robot — Problem Statistics

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Submissions	840
Accepted submissions	184
Submission ratio	21.90%
Authors	198
Accepted authors	147
Author ratio	74.24%

#	User	Runtime	Language	Date
1	Theodore Pan	0.53 s	C++	2023-05-08 00:02:28
2	Jason Yuen	0.59 s	C++	2021-08-14 17:59:07
3	Kelly Dance	0.60 s	C++	2023-05-09 02:06:04
4	Carlos Miguel Soto	0.63 s	C++	2023-01-27 20:18:29
5	Mingyang Deng	0.71 s	C++	2021-08-14 17:54:37
6	Eric Hu	0.71 s	C++	2021-08-14 19:34:55
7	Seyoon Ragavan	0.75 s	C++	2021-08-14 20:07:12
8	Federico Quijada	0.75 s	C++	2023-01-28 21:51:12
9	Ian DeHaan	0.87 s	C++	2021-08-14 20:06:07
10	Santiago Re	0.88 s	C++	2023-01-28 03:57:13

#	User	Runtime	Language	Date
1	Bjørn Dons	1.69 s	Java	2023-01-08 21:22:29
2	Joshua Fair	2.74 s	Java	2021-08-14 17:55:59
3	Arnav Sastry	3.30 s	Java	2022-03-08 04:17:03
4	Liang Lyu	3.92 s	Java	2021-08-14 19:50:50
5	Arup Ratan Guha	6.84 s	Java	2022-05-20 20:05:59
6	Ray Bai	7.15 s	Java	2021-08-14 18:48:41

#	User	Runtime	Language	Date
1	Jacob Huebner	1.89 s	Kotlin	2022-04-26 00:15:45

#	User	Runtime	Language	Date
1	Pratyanch Jain	7.57 s	Python 2	2024-04-12 07:04:33

#	User	Runtime	Language	Date
1	Nikil Roashan Selvam	4.24 s	Python 3	2025-05-04 04:29:49
2	Lucas Patten	4.74 s	Python 3	2024-07-25 06:00:06
3	Caleb Dastrup	4.95 s	Python 3	2024-07-25 05:46:29
4	Andy Liang	7.17 s	Python 3	2025-05-04 04:26:31
5	Ryan Farrell	7.80 s	Python 3	2024-07-25 04:03:50

#	User	Length	Language	Date
1	Jingbang Chen	1790	C++	2021-08-14 18:02:04
2	Quanquan Liu	1851	C++	2021-08-15 15:49:25
3	Felipe Chen Wu	2039	C++	2023-01-27 22:05:54
4	Andrew He	2066	C++	2021-08-14 17:44:03
5	Phan Đình Khôi	2075	C++	2023-12-15 02:59:35
6	Antonio Hachisuca	2095	C++	2024-06-14 23:06:33
7	Илья Малиновский	2104	C++	2025-01-20 20:04:28
8	Simon	2128	C++	2022-04-26 20:32:33
9	Bernardo Archegas	2149	C++	2023-01-27 18:52:16
10	Jerry Z. Li	2167	C++	2023-05-10 02:02:09

#	User	Length	Language	Date
1	Arnav Sastry	3008	Java	2022-03-08 04:17:03
2	Arup Ratan Guha	4433	Java	2022-05-20 20:05:59
3	Joshua Fair	5395	Java	2021-08-14 17:55:59
4	Ray Bai	9101	Java	2021-08-14 18:48:41
5	Bjørn Dons	9159	Java	2023-01-08 21:22:29
6	Liang Lyu	9760	Java	2021-08-14 19:50:50

#	User	Length	Language	Date
1	Jacob Huebner	4220	Kotlin	2022-04-26 00:15:45

#	User	Length	Language	Date
1	Pratyanch Jain	3159	Python 2	2024-04-12 07:04:33

#	User	Length	Language	Date
1	Nikil Roashan Selvam	998	Python 3	2025-05-04 04:38:03
2	Lucas Patten	1113	Python 3	2024-07-25 06:00:06
3	Caleb Dastrup	1282	Python 3	2024-07-25 05:49:00
4	Ryan Farrell	1541	Python 3	2024-07-25 04:03:50
5	Andy Liang	2479	Python 3	2025-05-04 04:26:31

Solution running time distribution