Problem A
Antimatter Rain — Problem Statistics

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Submissions	501
Accepted submissions	180
Submission ratio	35.93%
Authors	128
Accepted authors	79
Author ratio	61.72%

#	User	Runtime	Language	Date
1	Henry Xia	0.17 s	C++	2021-03-27 22:14:44
2	Chris Vilches	0.20 s	C++	2022-08-01 07:18:34
3	Dmitry Lyubshin	0.20 s	C++	2023-06-03 06:27:50
4	Jacob Zhang	0.21 s	C++	2021-04-16 05:30:29
5	Jiacheng Wu	0.21 s	C++	2022-04-08 00:52:36
6	Wen Li Looi	0.22 s	C++	2021-04-03 23:33:53
7	Stepan Klimenko	0.23 s	C++	2025-05-31 19:22:52
8	Zixiang Zhou	0.25 s	C++	2021-04-11 02:20:26
9	Julius Thunström	0.26 s	C++	2023-05-03 15:48:10
10	Joakim Blikstad	0.28 s	C++	2021-04-08 15:34:48

#	User	Runtime	Language	Date
1	Jimmy Dinh	1.28 s	Java	2023-09-21 19:05:35
2	Logan Pipes	1.54 s	Java	2023-02-22 01:33:59
3	Suhas T. Nagar	2.97 s	Java	2023-02-27 04:07:47

#	User	Runtime	Language	Date
1	Jacob Huebner	1.21 s	Kotlin	2021-10-09 08:28:33

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	1.14 s	Python 3	2021-03-31 21:29:51
2	Duoduo Zhao	1.52 s	Python 3	2025-08-27 13:20:12
3	Ryan Farrell	3.18 s	Python 3	2023-10-05 07:49:03
4	Jacky Dai	3.36 s	Python 3	2021-06-22 06:25:02
5	Mehran R	4.35 s	Python 3	2025-02-14 02:18:16
6	Caleb Dastrup	5.05 s	Python 3	2024-11-08 04:45:50

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.50 s	Rust	2024-02-19 15:49:02
2	Niklas Sandén	0.53 s	Rust	2023-02-11 13:09:42

#	User	Length	Language	Date
1	Teikn Smith	1738	C++	2024-11-08 23:09:26
2	Joseph Jang	1892	C++	2025-09-06 18:28:23
3	Dmitry Lyubshin	2021	C++	2023-06-03 06:27:50
4	Nicholas Winschel	2031	C++	2024-11-09 08:38:26
5	Leo Lee	2121	C++	2023-09-19 19:26:27
6	Chris Trevisan	2162	C++	2021-04-11 02:48:13
7	Lim An Jun	2230	C++	2023-03-22 07:53:04
8	Wen Li Looi	2238	C++	2021-04-03 23:33:53
9	Austin Zeng	2258	C++	2021-04-11 23:22:13
10	Joakim Blikstad	2359	C++	2021-04-08 15:34:48

#	User	Length	Language	Date
1	Suhas T. Nagar	4587	Java	2023-02-27 04:07:47
2	Logan Pipes	6820	Java	2023-02-22 01:33:59
3	Jimmy Dinh	8995	Java	2023-09-21 19:05:35

#	User	Length	Language	Date
1	Jacob Huebner	5593	Kotlin	2021-10-09 08:28:33

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1393	Python 3	2021-03-31 21:29:51
2	Jacky Dai	1930	Python 3	2021-06-22 06:25:02
3	Caleb Dastrup	2106	Python 3	2024-11-08 04:45:50
4	Duoduo Zhao	4671	Python 3	2025-08-27 13:20:12
5	Ryan Farrell	5739	Python 3	2023-10-05 07:49:03
6	Mehran R	6256	Python 3	2025-02-14 02:18:16

#	User	Length	Language	Date
1	Daniel Anker Hermansen	27653	Rust	2024-02-19 15:49:02
2	Niklas Sandén	44170	Rust	2023-02-11 13:09:42

Solution running time distribution