Problem R
Particle Collision — Problem Statistics

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Submissions	241
Accepted submissions	62
Submission ratio	25.73%
Authors	61
Full solves [?]	45
Full solve Ratio	73.77%

#	User	Runtime	Language	Date
1	JIAHAO QIU	0.04 s	Python 3	2025-09-19 06:30:07
2	Brayden Tober	0.04 s	Python 3	2025-09-24 05:06:51
3	Jakob Fedun	0.04 s	Python 3	2025-10-09 21:54:19
4	Digaant Chhokra	0.04 s	Python 3	2025-12-02 01:04:50
5	Jimi Lin	0.04 s	Python 3	2025-12-05 00:15:36
6	Syrus Muhammed	0.04 s	Python 3	2025-12-07 19:15:10
7	Hudeyfa Jimale	0.04 s	Python 3	2025-12-09 00:24:24
8	Kaylem Nice	0.04 s	Python 3	2025-12-09 01:22:33
9	Shahab Ibrahim	0.04 s	Python 3	2025-12-09 04:31:27
10	Joshua Billson	0.05 s	Python 3	2022-11-21 01:53:55

#	User	Runtime	Language	Date
1	Tianyi Zhang	0.04 s	Python 3 with NumPy	2025-11-25 02:52:37
2	Julia Doan	0.04 s	Python 3 with NumPy	2025-12-07 10:51:48

#	User	Length	Language	Date
1	Asma Omar	2370	C++	2021-03-30 06:25:22
2	Hidden user	2464	C++	2022-04-25 03:49:42
3	Adam Elamy	2492	C++	2022-04-24 11:05:56
4	Firas Al Chalabi	2639	C++	2022-11-08 21:26:29
5	Kaixuan Hu	2825	C++	2022-04-27 04:54:21
6	Ru-Bin Won	2954	C++	2022-04-23 16:49:05
7	Vedant Vyas	3122	C++	2023-12-09 06:48:07
8	Mark Thomas	3127	C++	2021-03-28 04:15:57
9	Kareem Elakkad	3279	C++	2022-12-13 00:14:39
10	Brian Kang	3574	C++	2021-03-30 05:35:07

#	User	Length	Language	Date
1	Kailash Seshadri	1852	Python 3	2023-12-08 22:22:46
2	Jimi Lin	1983	Python 3	2025-12-05 00:15:36
3	Shahab Ibrahim	1989	Python 3	2025-12-09 04:31:27
4	Kaylem Nice	2058	Python 3	2025-12-09 01:22:33
5	JIAHAO QIU	2170	Python 3	2025-09-19 06:30:07
6	Joshua Billson	2268	Python 3	2022-11-21 01:53:55
7	Digaant Chhokra	2335	Python 3	2025-12-02 01:04:50
8	Hudeyfa Jimale	2498	Python 3	2025-12-09 00:24:24
9	Cole Dewis	2521	Python 3	2023-11-06 17:48:46
10	Xinman Liu	2603	Python 3	2021-03-19 14:39:02

#	User	Length	Language	Date
1	Tianyi Zhang	2787	Python 3 with NumPy	2025-11-25 02:52:37
2	Julia Doan	3378	Python 3 with NumPy	2025-12-07 11:38:33

Solution running time distribution