Problem A
Basic Basis — Problem Statistics

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Submissions	288
Accepted submissions	56
Submission ratio	19.44%
Authors	71
Full solves [?]	48
Full solve Ratio	67.61%

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.00 s	C++	2023-06-12 15:58:29
2	Xiao Mao	0.01 s	C++	2021-03-06 20:55:28
3	Andrew Polizzotto	0.01 s	C++	2021-05-24 04:09:15
4	Matthew Shang	0.01 s	C++	2021-06-11 00:33:09
5	Hiep Trinh	0.01 s	C++	2021-09-09 21:07:33
6	Seba Villalobos	0.01 s	C++	2021-10-26 22:58:55
7	Nikil Roashan Selvam	0.01 s	C++	2022-02-19 02:15:13
8	Thomas Yang	0.01 s	C++	2022-02-20 21:30:54
9	Charlie Liu	0.01 s	C++	2022-05-25 08:51:47
10	Nicholas Winschel	0.01 s	C++	2023-01-19 07:08:48

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.11 s	Java	2022-07-07 03:10:40
2	Finn Lidbetter	0.67 s	Java	2021-05-23 21:27:32
3	Liang Lyu	0.75 s	Java	2021-03-07 00:16:15
4	Ray Bai	1.48 s	Java	2021-03-06 22:39:04

#	User	Runtime	Language	Date
1	Andreas Björklund	0.20 s	Python 2	2021-05-22 09:10:23

#	User	Runtime	Language	Date
1	Noble Mushtak	0.12 s	Python 3	2021-03-13 21:55:08
2	Nick Wu	0.15 s	Python 3	2021-07-08 20:58:35
3	Vernon Gutierrez	0.16 s	Python 3	2024-07-06 09:36:24
4	Duoduo Zhao	0.62 s	Python 3	2025-09-06 17:16:16

#	User	Length	Language	Date
1	Dmitry Lyubshin	881	C++	2023-06-12 15:58:29
2	Nicholas Winschel	1249	C++	2023-01-19 07:08:48
3	Alexander Skidanov	1328	C++	2025-01-19 17:01:41
4	Карим Мотыгуллин	1391	C++	2025-01-19 16:44:55
5	Ricardo Ruiz	1499	C++	2022-10-06 17:51:27
6	Oskar Haarklou Veileborg	1552	C++	2021-07-14 12:43:22
7	Richard Wang	1563	C++	2023-10-07 09:59:54
8	Henry Xia	1608	C++	2021-06-14 03:45:18
9	Quan Le	1765	C++	2023-09-29 15:49:27
10	Alex Waese-Perlman	1846	C++	2022-11-19 09:28:38

#	User	Length	Language	Date
1	Crystal Sharpe	1969	Java	2022-07-07 03:10:40
2	Finn Lidbetter	6220	Java	2021-05-23 21:27:32
3	Ray Bai	6595	Java	2023-01-20 06:32:16
4	Liang Lyu	8483	Java	2021-03-07 00:16:15

#	User	Length	Language	Date
1	Andreas Björklund	911	Python 2	2021-05-22 09:10:23

#	User	Length	Language	Date
1	Nick Wu	760	Python 3	2021-07-08 20:58:35
2	Noble Mushtak	1045	Python 3	2021-03-13 21:55:08
3	Vernon Gutierrez	1141	Python 3	2024-07-06 09:36:24
4	Duoduo Zhao	2136	Python 3	2025-09-06 17:16:16

Solution running time distribution