Problem I
Treequivalence — Problem Statistics

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Submissions	198
Accepted submissions	39
Submission ratio	19.70%
Authors	45
Full solves [?]	24
Full solve Ratio	53.33%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-07-22 16:17:32

#	User	Runtime	Language	Date
1	Matthew Joseph Schallenkamp	0.01 s	C++	2018-01-26 10:31:48
2	Josenildo Silva	0.01 s	C++	2018-07-21 14:06:54
3	Michael Pfeifer	0.01 s	C++	2018-09-17 05:29:11
4	Luke Videckis	0.01 s	C++	2018-09-17 06:40:38
5	Juliet Persia	0.01 s	C++	2019-08-01 19:19:46
6	Hidden user	0.01 s	C++	2019-11-14 16:54:20
7	Robert Pham	0.01 s	C++	2023-02-18 22:10:27
8	Prodan Radu-Matei	0.01 s	C++	2023-09-22 17:51:19
9	ravisantul	0.01 s	C++	2024-03-07 15:41:53
10	Atli Fannar Franklín	0.01 s	C++	2024-03-26 15:39:41

#	User	Runtime	Language	Date
1	Collin Jakubik	0.18 s	Java	2021-09-09 21:22:24
2	Brent Yorgey	0.24 s	Java	2019-03-05 04:04:46

#	User	Runtime	Language	Date
1	Abraham Michan Laniado	0.11 s	Python 3	2025-10-27 20:27:19
2	Nicholas Russell Saerang	0.14 s	Python 3	2024-07-01 16:25:49

#	User	Length	Language	Date
1	Ivan Petrov	1742	C	2019-07-22 16:17:32

#	User	Length	Language	Date
1	Josenildo Silva	1399	C++	2018-07-21 14:06:54
2	Jeremy Lim	2374	C++	2025-03-21 15:18:12
3	Robert Pham	2471	C++	2023-02-18 22:10:27
4	Luke Videckis	2490	C++	2021-11-26 19:52:10
5	Atli Fannar Franklín	2642	C++	2024-03-26 15:39:41
6	Prodan Radu-Matei	2659	C++	2023-09-22 17:51:19
7	Matthew Joseph Schallenkamp	2672	C++	2018-01-26 10:31:48
8	Jeroen Op de Beek	2696	C++	2023-11-15 11:48:06
9	ravisantul	2752	C++	2024-03-07 15:41:53
10	Alexander Skidanov	2788	C++	2025-10-11 14:47:06

#	User	Length	Language	Date
1	Collin Jakubik	4645	Java	2022-10-24 04:54:18
2	Brent Yorgey	5058	Java	2019-03-05 04:04:46

#	User	Length	Language	Date
1	Nicholas Russell Saerang	961	Python 3	2024-07-01 16:25:49
2	Abraham Michan Laniado	984	Python 3	2025-10-27 20:27:19

Solution running time distribution