Problem AD
Free Weights — Problem Statistics

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Submissions	1272
Accepted submissions	328
Submission ratio	25.79%
Authors	276
Full solves [?]	241
Full solve Ratio	87.32%

#	User	Runtime	Language	Date
1	Abhinav Dusi	0.50 s	C	2021-09-12 06:41:58

#	User	Runtime	Language	Date
1	Ethan Dickey	0.05 s	C++	2022-02-18 08:12:18
2	Peter Jin	0.05 s	C++	2023-03-04 18:42:29
3	Jim Zheng	0.18 s	C++	2020-01-22 17:35:59
4	Andrew Chen	0.18 s	C++	2023-03-09 18:25:03
5	Peter Jiang	0.19 s	C++	2021-09-13 22:46:25
6	Yufeng Qian	0.19 s	C++	2022-02-25 03:47:21
7	Konstantin Liehr	0.19 s	C++	2023-03-10 05:49:05
8	Pedro Sugiyama	0.19 s	C++	2025-04-12 19:41:54
9	Jimmy Dinh	0.29 s	C++	2024-09-17 22:18:00
10	Adrien Qi	0.31 s	C++	2023-03-10 05:51:25

#	User	Runtime	Language	Date
1	Thomas Ashcraft	2.30 s	C++ with Memory Check	2025-10-22 16:59:57

#	User	Runtime	Language	Date
1	Dominic Danborn	0.33 s	Java	2022-02-24 20:23:10
2	Joshua Chang	0.38 s	Java	2022-02-24 21:47:48
3	Sean Zhang	0.40 s	Java	2022-02-24 23:43:34
4	Payas	0.44 s	Java	2022-02-21 23:44:16
5	Jimmy Dinh	0.44 s	Java	2024-09-18 03:28:47
6	Aryan Jumani	0.54 s	Java	2025-04-12 23:06:07
7	Luke Irons	0.72 s	Java	2021-09-12 20:15:57
8	Yog Trivedi	0.73 s	Java	2026-03-13 03:35:10
9	Olivia Liu	0.76 s	Java	2024-11-30 21:39:37
10	Bill Fei	0.77 s	Java	2020-06-18 20:34:01

#	User	Runtime	Language	Date
1	Aniket Rai	0.56 s	Python 2	2023-03-10 00:44:07
2	Benjamin Yan	1.09 s	Python 2	2021-02-07 03:18:02

#	User	Runtime	Language	Date
1	John Stanwick	0.46 s	Python 3	2022-02-23 21:35:15
2	Sanjay Vijay	0.46 s	Python 3	2025-10-19 02:08:45
3	Michael Gu	0.50 s	Python 3	2023-03-10 03:56:47
4	Vanamali Vemparala	0.54 s	Python 3	2023-03-09 09:58:04
5	Ethan Porath	0.68 s	Python 3	2025-10-24 03:12:01
6	OJ Chaturvedi	0.69 s	Python 3	2025-10-18 09:56:31
7	Peter Jin	0.72 s	Python 3	2024-09-23 22:18:31
8	Adithya Palaniappan Ramesh	0.74 s	Python 3	2025-10-24 03:46:05
9	Hidden user	0.79 s	Python 3	2025-10-22 22:15:48
10	Leo Deng	0.80 s	Python 3	2024-09-25 19:17:53

#	User	Runtime	Language	Date
1	Hidden user	1.79 s	Python 3 with NumPy	2025-10-24 05:11:31

#	User	Runtime	Language	Date
1	Caleb Smith	0.82 s	Ruby	2022-02-15 21:07:51

#	User	Length	Language	Date
1	Abhinav Dusi	1127	C	2021-09-12 06:41:58

#	User	Length	Language	Date
1	Andrew Chen	626	C++	2023-03-09 18:25:03
2	Evan Yang	751	C++	2021-09-10 00:50:10
3	Pedro Sugiyama	856	C++	2025-04-12 19:41:54
4	Anthony C	858	C++	2022-06-23 11:57:49
5	Jimmy Dinh	884	C++	2024-09-17 22:18:00
6	Ashvin Iyer	886	C++	2022-02-23 16:51:41
7	Shangyin Tan	887	C++	2020-01-22 04:02:18
8	Trung Dang	919	C++	2020-09-07 23:16:46
9	Owen Eckart	942	C++	2021-09-09 21:30:17
10	Nghia Hoang	945	C++	2021-02-08 05:42:47

#	User	Length	Language	Date
1	Thomas Ashcraft	1751	C++ with Memory Check	2025-10-22 16:59:57

#	User	Length	Language	Date
1	Sanshray	1316	Java	2025-10-24 02:50:15
2	Bill Fei	1448	Java	2020-06-18 20:34:01
3	Alan Bare	1518	Java	2020-09-16 12:03:51
4	Rohan Gaddam	1588	Java	2025-04-12 22:10:27
5	Ryan Chang	1595	Java	2021-09-16 08:50:42
6	Pedro Sugiyama	1604	Java	2025-04-12 22:08:45
7	Shreyas Sreenath	1736	Java	2026-03-12 20:09:22
8	Caasi Boakye	1743	Java	2024-09-27 02:56:17
9	Isaac Fleetwood	1771	Java	2023-03-04 01:32:01
10	Yog Trivedi	1882	Java	2026-03-13 03:35:10

#	User	Length	Language	Date
1	Benjamin Yan	600	Python 2	2021-02-07 03:18:02
2	Aniket Rai	616	Python 2	2023-03-10 00:44:07

#	User	Length	Language	Date
1	Anthony Stahura	427	Python 3	2020-09-13 20:43:49
2	Vanamali Vemparala	537	Python 3	2023-03-09 09:58:04
3	Peter Jin	573	Python 3	2024-09-23 22:18:31
4	Hidden user	639	Python 3	2023-03-10 04:18:34
5	Hidden user	694	Python 3	2024-09-27 03:40:24
6	Abhiram Dasari	700	Python 3	2025-10-24 05:28:11
7	Daniel Tulha Hochstetler	709	Python 3	2021-09-16 18:37:22
8	Shreyas Shriram	773	Python 3	2024-09-27 05:57:00
9	Minrui Lu	791	Python 3	2023-11-26 03:15:01
10	Jan Richtr	804	Python 3	2024-09-20 05:37:56

#	User	Length	Language	Date
1	Hidden user	830	Python 3 with NumPy	2025-10-24 05:11:31

#	User	Length	Language	Date
1	Caleb Smith	714	Ruby	2022-02-15 21:07:51

Solution running time distribution