Problem D
Particle Swapping — Problem Statistics

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Submissions	360
Accepted submissions	116
Submission ratio	32.22%
Authors	111
Full solves [?]	89
Full solve Ratio	80.18%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.26 s	C	2019-10-15 13:22:39
2	Andreas Björklund	0.84 s	C	2018-12-02 17:55:40

#	User	Runtime	Language	Date
1	Hidden user	0.80 s	C#	2017-10-20 17:45:41
2	Lukas Polacek	0.96 s	C#	2014-11-24 13:35:56

#	User	Runtime	Language	Date
1	Thiago Felipe Bastos da Silva	0.21 s	C++	2021-04-20 02:50:46
2	Pedro Assunção	0.25 s	C++	2023-11-07 01:58:28
3	Dmitry Lyubshin	0.26 s	C++	2018-10-22 19:24:52
4	Alexander Skidanov	0.26 s	C++	2026-01-05 17:34:53
5	Yosuke Mizutani	0.27 s	C++	2020-09-14 22:00:49
6	Peter Kwak	0.27 s	C++	2021-03-13 20:27:10
7	Md Sabbir Rahman	0.28 s	C++	2020-07-29 21:39:02
8	Noble Mushtak	0.28 s	C++	2021-07-31 21:00:02
9	Hoang Vu	0.28 s	C++	2021-08-01 17:57:43
10	Jacob Zhang	0.28 s	C++	2022-05-22 00:49:32

#	User	Runtime	Language	Date
1	Ho Lyun Jeong	1.99 s	Java	2021-04-20 05:53:14
2	Nick Wu	2.01 s	Java	2016-04-08 01:27:04
3	Joshua Fair	2.19 s	Java	2019-11-04 21:08:31

#	User	Runtime	Language	Date
1	Lennart Meyling	2.03 s	Python 3	2024-08-15 02:51:46

#	User	Runtime	Language	Date
1	Hidden user	2.28 s	Rust	2025-08-21 13:55:00

#	User	Length	Language	Date
1	Ivan Petrov	3799	C	2019-10-15 13:22:39
2	Andreas Björklund	4398	C	2018-12-02 17:55:40

#	User	Length	Language	Date
1	Lukas Polacek	4689	C#	2014-11-24 13:35:56
2	Hidden user	6899	C#	2017-10-20 17:45:41

#	User	Length	Language	Date
1	William Gan	1251	C++	2018-12-07 13:46:34
2	Elias Lolck	1542	C++	2023-01-04 23:31:11
3	Pedro Suyama Leston Rey	1745	C++	2022-08-28 20:53:06
4	Joseph Durie	1908	C++	2022-05-26 22:08:57
5	Zac Friggstad	2013	C++	2021-08-02 23:08:17
6	Hubert Teo	2039	C++	2017-03-12 19:59:32
7	Paul Wild	2094	C++	2018-09-02 02:39:41
8	Mohsen Dehbashi	2128	C++	2020-08-21 02:36:25
9	Thiago Felipe Bastos da Silva	2253	C++	2021-04-20 02:50:46
10	Josenildo Silva	2261	C++	2018-06-22 20:20:50

#	User	Length	Language	Date
1	Nick Wu	4976	Java	2016-04-08 01:27:04
2	Joshua Fair	7122	Java	2019-11-04 21:08:31
3	Ho Lyun Jeong	13126	Java	2021-04-20 05:53:14

#	User	Length	Language	Date
1	Lennart Meyling	1262	Python 3	2024-08-15 02:51:46

#	User	Length	Language	Date
1	Hidden user	17572	Rust	2025-08-21 13:55:00

Solution running time distribution