Problem A
Beat the Spread! — Problem Statistics

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Submissions	307
Accepted submissions	72
Submission ratio	23.45%
Authors	78
Full solves [?]	72
Full solve Ratio	92.31%

#	User	Runtime	Language	Date
1	KwanYeob Jung	0.00 s	C	2022-03-31 00:54:04
2	Tian Zhang	0.00 s	C	2022-03-31 00:58:18
3	Xuanpu Zhang	0.00 s	C	2025-10-07 01:11:28
4	Hidden user	0.00 s	C	2025-10-07 01:21:29

#	User	Runtime	Language	Date
1	Tianhao You	0.00 s	C++	2022-03-31 00:55:01
2	Xiaoyi Li	0.00 s	C++	2022-03-31 01:04:52
3	Max Brodeur	0.00 s	C++	2022-03-31 01:07:18
4	Joey Yu	0.00 s	C++	2025-10-07 00:46:59
5	Acacie Song	0.00 s	C++	2025-10-07 02:05:47

#	User	Runtime	Language	Date
1	Bogdan Timercan	0.04 s	Java	2025-10-07 01:28:34
2	Xiejun Shen	0.12 s	Java	2025-10-07 00:52:16
3	Ruoyu Wang	0.15 s	Java	2022-03-31 01:02:21
4	Wenlong Shao	0.15 s	Java	2022-03-31 01:02:37
5	James Ting	0.19 s	Java	2022-03-31 00:54:39

#	User	Runtime	Language	Date
1	Christopher Ghosn	0.04 s	Python 3	2025-10-07 00:43:42
2	Hussin Suleiman	0.04 s	Python 3	2025-10-07 00:45:45
3	Martin Dawson-Guedes	0.04 s	Python 3	2025-10-07 00:46:18
4	Erik Cupsa	0.04 s	Python 3	2025-10-07 00:47:18
5	Jamie Wise	0.04 s	Python 3	2025-10-07 00:51:09
6	Lauren Spee	0.04 s	Python 3	2025-10-07 00:51:19
7	David Bosnjak	0.04 s	Python 3	2025-10-07 00:51:56
8	Kihyeok Kim	0.04 s	Python 3	2025-10-07 00:52:00
9	Daniel Fagang	0.04 s	Python 3	2025-10-07 00:54:11
10	Arshia Rashedzadeh	0.04 s	Python 3	2025-10-07 00:55:05

#	User	Runtime	Language	Date
1	Jun Hao Huang	0.04 s	Python 3 with NumPy	2025-10-07 01:04:00
2	Hidden user	0.04 s	Python 3 with NumPy	2025-10-07 01:06:32
3	Ethan Church	0.11 s	Python 3 with NumPy	2025-10-07 00:48:19
4	Karl Wehbe	0.56 s	Python 3 with NumPy	2025-10-07 02:50:36

#	User	Length	Language	Date
1	Hidden user	277	C	2025-10-07 01:21:29
2	KwanYeob Jung	305	C	2022-03-31 00:54:04
3	Xuanpu Zhang	376	C	2025-10-07 01:11:28
4	Tian Zhang	425	C	2022-03-31 00:58:18

#	User	Length	Language	Date
1	Max Brodeur	337	C++	2022-03-31 01:07:18
2	Acacie Song	419	C++	2025-10-07 02:05:47
3	Tianhao You	546	C++	2022-03-31 00:55:01
4	Xiaoyi Li	555	C++	2022-03-31 01:04:52
5	Joey Yu	669	C++	2025-10-07 00:46:59

#	User	Length	Language	Date
1	Wenlong Shao	577	Java	2022-03-31 01:02:37
2	Ruoyu Wang	602	Java	2022-03-31 01:02:21
3	Xiejun Shen	689	Java	2025-10-07 00:52:16
4	James Ting	1215	Java	2022-03-31 00:54:39
5	Bogdan Timercan	1228	Java	2025-10-07 01:28:34

#	User	Length	Language	Date
1	Daniel Alzawahra	176	Python 3	2025-10-07 02:05:51
2	Michael Quinsey	213	Python 3	2022-03-31 00:37:15
3	Fraser Lee	221	Python 3	2022-03-31 00:35:32
4	Jamie Wise	232	Python 3	2025-10-07 00:51:09
5	David Bosnjak	233	Python 3	2025-10-07 00:51:56
6	Kateri Duranceau	244	Python 3	2025-10-07 00:58:45
7	Eric Zhu	249	Python 3	2025-10-07 01:41:31
8	Hidden user	257	Python 3	2025-10-07 03:36:08
9	Muhammad Hamza Chaudhry	261	Python 3	2025-10-07 01:11:30
10	Tony Le	262	Python 3	2025-10-07 03:37:35

#	User	Length	Language	Date
1	Ethan Church	388	Python 3 with NumPy	2025-10-07 00:48:19
2	Hidden user	424	Python 3 with NumPy	2025-10-07 01:06:32
3	Jun Hao Huang	438	Python 3 with NumPy	2025-10-07 01:04:00
4	Karl Wehbe	453	Python 3 with NumPy	2025-10-07 02:50:36

Solution running time distribution