Problem A
Area of Effect — Problem Statistics

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Submissions	365
Accepted submissions	31
Submission ratio	8.49%
Authors	53
Full solves [?]	17
Full solve Ratio	32.08%

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

#	User	Runtime	Language	Date
1	Jeremy Lim	1.00 s	C++	2025-08-19 15:17:42
2	Yuhao Yao	1.71 s	C++	2022-09-23 11:19:26
3	Yen-Hsiang Chang	1.97 s	C++	2019-06-26 05:03:48
4	Jiahao Fu	1.99 s	C++	2023-03-23 06:25:17
5	Zhicheng Huang	2.00 s	C++	2023-11-29 03:18:38
6	Hidden user	2.02 s	C++	2026-02-22 08:34:32
7	Alexander Skidanov	2.06 s	C++	2026-02-22 09:19:46
8	Benjamin Qi	2.95 s	C++	2020-01-19 21:48:04
9	Yi Wu	3.16 s	C++	2015-03-29 07:40:14
10	Yosuke Mizutani	3.24 s	C++	2020-08-14 06:20:44

#	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	Murasame Arichi	1546	C++	2025-08-08 15:55:41
2	Yen-Hsiang Chang	2517	C++	2019-06-26 05:03:48
3	Zhicheng Huang	2689	C++	2023-11-29 03:42:48
4	Jiahao Fu	2763	C++	2023-03-21 23:38:36
5	Yosuke Mizutani	5142	C++	2020-08-14 06:20:44
6	Szu-Po Wang	5198	C++	2015-03-28 22:55:36
7	Yi Wu	5718	C++	2015-03-29 07:40:14
8	Alexander Skidanov	6172	C++	2026-02-22 09:19:46
9	Hidden user	6190	C++	2026-02-22 08:34:32
10	Jeremy Lim	8312	C++	2025-08-19 15:17:42

#	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