Problem A
Area of Effect — Problem Statistics

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Submissions	279
Accepted submissions	26
Submission ratio	9.32%
Authors	38
Accepted authors	14
Author ratio	36.84%

#	User	Runtime	Language	Date
1	Ivan Petrov	3.10 s	C	2019-10-01 14:05:02

#	User	Runtime	Language	Date
1	Yuhao Yao	1.71 s	C++	2022-09-23 11:19:26
2	Yen-Hsiang Chang	1.97 s	C++	2019-06-26 05:03:48
3	Jiahao Fu	1.99 s	C++	2023-03-23 06:25:17
4	Zhicheng Huang	2.00 s	C++	2023-11-29 03:18:38
5	Jeremy Lim	2.23 s	C++	2025-03-21 14:55:45
6	Benjamin Qi	2.95 s	C++	2020-01-19 21:48:04
7	Yi Wu	3.16 s	C++	2015-03-29 07:40:14
8	Yosuke Mizutani	3.24 s	C++	2020-08-14 06:20:44
9	Szu-Po Wang	3.78 s	C++	2015-03-28 22:55:36
10	Wesley Leung	6.85 s	C++	2021-09-28 05:06:47

#	User	Runtime	Language	Date
1	Lewin Gan	3.57 s	Java	2015-03-28 23:02:28
2	David Van Brackle	4.29 s	Java	2015-03-28 14:37:34
3	Matt Fontaine	4.30 s	Java	2015-06-04 20:23:54

#	User	Length	Language	Date
1	Ivan Petrov	4630	C	2019-10-01 14:05:02

#	User	Length	Language	Date
1	Yen-Hsiang Chang	2517	C++	2019-06-26 05:03:48
2	Zhicheng Huang	2689	C++	2023-11-29 03:42:48
3	Jiahao Fu	2763	C++	2023-03-21 23:38:36
4	Yosuke Mizutani	5142	C++	2020-08-14 06:20:44
5	Szu-Po Wang	5198	C++	2015-03-28 22:55:36
6	Yi Wu	5718	C++	2015-03-29 07:40:14
7	Yuhao Yao	8786	C++	2022-09-23 11:19:26
8	Wesley Leung	8856	C++	2021-09-28 05:06:47
9	Jeremy Lim	9886	C++	2025-03-21 14:55:45
10	Benjamin Qi	10227	C++	2020-01-19 21:48:04

#	User	Length	Language	Date
1	Lewin Gan	4395	Java	2015-03-28 23:02:28
2	Matt Fontaine	9615	Java	2015-06-04 20:23:54
3	David Van Brackle	10206	Java	2015-03-28 14:37:34

Solution running time distribution