Problem J
Particle Collision — Problem Statistics

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Submissions	657
Accepted submissions	187
Submission ratio	28.46%
Authors	181
Full solves [?]	141
Full solve Ratio	77.90%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-08-06 15:03:56

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2020-05-04 21:10:51

#	User	Runtime	Language	Date
1	Sam Reinehr	0.05 s	Java	2017-11-13 19:39:45
2	Dante Bencivenga	0.05 s	Java	2017-11-15 01:56:13
3	Benjamin Reidys	0.05 s	Java	2018-12-12 18:07:32
4	Anh Mai Le Xuan	0.06 s	Java	2018-10-20 22:05:59
5	Daniel Moyer	0.06 s	Java	2018-10-29 02:13:29
6	Steven Cheng	0.06 s	Java	2020-05-05 04:15:56
7	Kadin Tang	0.06 s	Java	2020-11-06 03:10:08
8	Bjørn Dons	0.06 s	Java	2023-06-15 16:18:18
9	Louis Wasserman	0.07 s	Java	2018-05-05 22:40:43
10	Andrew Polizzotto	0.07 s	Java	2020-11-20 12:26:35

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2021-06-17 03:41:30

#	User	Runtime	Language	Date
1	Måns Magnusson	0.03 s	Python 2	2018-09-22 14:57:39
2	Lars Åström	0.03 s	Python 2	2018-09-22 16:14:53
3	Maj Stenmark	0.03 s	Python 2	2018-09-27 16:37:31
4	Hermon Mulat	0.03 s	Python 2	2018-11-22 06:50:17
5	Andreas Björklund	0.03 s	Python 2	2020-10-22 06:44:22

#	User	Runtime	Language	Date
1	Colin MacGinnitie	0.02 s	Python 3	2018-05-05 23:38:47
2	Giorgian Borca-Tasciuc	0.02 s	Python 3	2018-10-20 23:32:52
3	Alex Jukimenko	0.02 s	Python 3	2018-10-24 14:33:56
4	Hermon Mulat	0.02 s	Python 3	2018-11-22 06:49:19
5	Noah Niederklein	0.04 s	Python 3	2024-10-16 20:06:53
6	Damian Ho	0.04 s	Python 3	2024-11-06 03:51:34
7	Srikar Gouru	0.04 s	Python 3	2024-11-13 02:27:20
8	Daniel Bogorad	0.04 s	Python 3	2025-07-17 02:51:24
9	Duoduo Zhao	0.04 s	Python 3	2025-09-16 00:41:43
10	Zac Friggstad	0.05 s	Python 3	2020-02-07 15:36:48

#	User	Length	Language	Date
1	Ivan Petrov	1403	C	2019-08-06 15:03:56

#	User	Length	Language	Date
1	Hidden user	1212	C++	2020-05-05 23:20:48
2	AIUSR_TMP	1214	C++	2020-05-03 09:18:47
3	Yu Xifan	1281	C++	2018-05-19 21:26:00
4	Hidden user	1285	C++	2018-10-20 21:02:24
5	Nishtha Pant	1323	C++	2022-04-27 07:14:16
6	Noah Weninger	1369	C++	2017-11-13 03:19:53
7	Alex Zhao	1403	C++	2018-10-20 22:17:54
8	David Wärn	1417	C++	2019-01-07 18:05:56
9	Ashwin Mahesh	1450	C++	2022-04-24 23:46:37
10	Chenzhang Hu	1452	C++	2018-04-09 04:40:49

#	User	Length	Language	Date
1	Brent Yorgey	10812	Haskell	2020-05-04 21:10:51

#	User	Length	Language	Date
1	Doug Goodman	1575	Java	2019-07-30 17:27:13
2	Louis Wasserman	2646	Java	2018-05-05 22:40:43
3	Hidden user	2891	Java	2022-03-26 17:16:44
4	Andrew Polizzotto	3252	Java	2020-11-20 12:27:26
5	Sam Reinehr	3398	Java	2017-11-13 19:39:45
6	Dante Bencivenga	3748	Java	2017-11-15 01:56:13
7	Mark Sturtevant	4291	Java	2022-01-11 21:57:18
8	Benjamin Reidys	5332	Java	2018-12-12 18:07:32
9	Steven Cheng	5970	Java	2020-05-05 04:15:56
10	Godmar Back	7097	Java	2018-10-20 20:17:15

#	User	Length	Language	Date
1	Jacob Huebner	2257	Kotlin	2021-06-17 03:41:30

#	User	Length	Language	Date
1	Andreas Björklund	1047	Python 2	2020-10-22 06:44:22
2	Lars Åström	1272	Python 2	2018-09-22 16:14:53
3	Måns Magnusson	1447	Python 2	2018-09-22 14:57:39
4	Maj Stenmark	1447	Python 2	2018-09-27 16:37:31
5	Hermon Mulat	1482	Python 2	2018-11-22 06:50:17

#	User	Length	Language	Date
1	Zac Friggstad	965	Python 3	2020-02-07 15:36:48
2	Daniel Bogorad	1080	Python 3	2025-07-17 02:51:24
3	Kelly Dance	1292	Python 3	2023-09-18 03:30:53
4	Ahmed Siadomar	1364	Python 3	2023-02-21 21:02:53
5	Hidden user	1488	Python 3	2023-08-16 12:19:45
6	Hermon Mulat	1492	Python 3	2018-11-22 06:49:19
7	RandyWaterhouse	1667	Python 3	2021-09-25 14:11:23
8	Kailash Seshadri	1852	Python 3	2023-12-08 22:22:46
9	Haruto Tanaka	1908	Python 3	2022-12-13 19:03:59
10	Teikn Smith	1938	Python 3	2021-10-14 19:00:59

Solution running time distribution