Problem A
Fenwick Tree — Problem Statistics

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Submissions	346
Accepted submissions	86
Submission ratio	24.86%
Authors	73
Full solves [?]	68
Full solve Ratio	93.15%

#	User	Runtime	Language	Date
1	Jim Zheng	0.95 s	C++	2020-01-24 21:26:17
2	Kol Greenbaum	1.10 s	C++	2024-02-23 02:55:23
3	Man To Tang	1.46 s	C++	2020-05-09 08:18:51
4	Nathan Hu	1.47 s	C++	2024-10-03 07:03:26
5	Kush Nayak	1.49 s	C++	2024-10-01 03:00:35
6	David Tang	1.49 s	C++	2024-10-03 23:28:10
7	Ninghui Li	1.50 s	C++	2020-01-24 04:57:19
8	Harry Jaeyoung Cha	1.51 s	C++	2020-01-26 01:43:30
9	Wilbert Chu	1.53 s	C++	2024-09-27 01:07:45
10	Walker Gollapudi	1.53 s	C++	2024-10-08 06:02:28

#	User	Runtime	Language	Date
1	Enzo Santos Limeira	1.42 s	Java	2022-04-06 07:52:23
2	Alvin Lee	1.51 s	Java	2025-10-01 15:55:46
3	Pranay Nandkeolyar	2.06 s	Java	2025-10-05 03:41:04
4	Vandana Prabhu	2.31 s	Java	2022-04-04 01:40:56
5	Srinjoy Dutta	2.51 s	Java	2025-02-27 03:50:26

#	User	Runtime	Language	Date
1	Huang Chao Ming	2.39 s	Python 3	2024-09-30 04:30:38
2	Andrew Burns	2.68 s	Python 3	2024-10-03 20:13:23
3	Mahad Faruqi	2.74 s	Python 3	2024-10-03 20:09:22
4	Hidden user	2.77 s	Python 3	2025-10-04 03:06:16
5	Kaung Myat Zaw	3.05 s	Python 3	2022-04-06 03:48:15
6	Ishaan Pathania	3.11 s	Python 3	2025-02-27 00:56:19
7	Pratyanch Jain	3.44 s	Python 3	2024-02-16 01:53:01
8	Christopher Gou	3.53 s	Python 3	2025-02-24 22:15:43
9	Peter Jin	3.76 s	Python 3	2024-10-03 15:32:10
10	Manas Srivastava	3.96 s	Python 3	2024-10-03 22:59:16

#	User	Length	Language	Date
1	Wilbert Chu	583	C++	2024-09-27 01:07:45
2	Khoa Nguyen	596	C++	2025-10-08 21:30:49
3	Shaurya Aggarwal	654	C++	2020-01-31 02:18:44
4	Zachary DeFazio	656	C++	2024-09-27 01:04:41
5	Kartavya Vashishtha	671	C++	2024-02-19 00:00:11
6	James Tan	697	C++	2024-09-27 01:22:06
7	Qiyuan Xu	708	C++	2025-02-25 06:06:26
8	Kush Nayak	713	C++	2024-10-01 03:00:35
9	Nikita Gorshkov	784	C++	2025-10-02 02:09:51
10	Burhanuddin Rajgara	821	C++	2024-02-21 01:54:25

#	User	Length	Language	Date
1	Srinjoy Dutta	1741	Java	2025-02-27 03:50:26
2	Vandana Prabhu	3092	Java	2022-04-04 01:40:56
3	Alvin Lee	6016	Java	2025-10-01 15:55:46
4	Pranay Nandkeolyar	6288	Java	2025-10-05 03:41:04
5	Enzo Santos Limeira	6378	Java	2022-04-06 07:52:23

#	User	Length	Language	Date
1	Peter Jin	578	Python 3	2024-10-03 15:32:57
2	Mahad Faruqi	625	Python 3	2024-10-03 20:09:22
3	Andrew Burns	663	Python 3	2024-10-03 20:13:23
4	Kaung Myat Zaw	791	Python 3	2022-04-03 03:26:48
5	Manas Srivastava	797	Python 3	2024-10-03 22:59:16
6	Hidden user	800	Python 3	2025-10-04 03:06:16
7	Ishaan Pathania	845	Python 3	2025-02-27 00:56:19
8	Huang Chao Ming	855	Python 3	2024-09-30 04:30:38
9	Christopher Gou	987	Python 3	2025-02-24 22:15:43
10	Pratyanch Jain	5107	Python 3	2024-02-16 01:53:01

Solution running time distribution