Problem A
Rooted Subtrees — Problem Statistics

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Submissions	1388
Accepted submissions	440
Submission ratio	31.70%
Authors	359
Full solves [?]	325
Full solve Ratio	90.53%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.22 s	C	2020-03-18 13:40:30

#	User	Runtime	Language	Date
1	Apurav Khare	2.88 s	C#	2021-09-21 19:13:20

#	User	Runtime	Language	Date
1	Lawry Sorenson	0.12 s	C++	2024-02-16 20:45:31
2	Henry Xia	0.15 s	C++	2020-02-25 20:33:22
3	Andy Phan	0.15 s	C++	2020-12-22 05:12:41
4	Zhaotong Xie	0.16 s	C++	2020-03-18 01:16:31
5	Greg Zborovsky	0.16 s	C++	2023-03-25 20:09:45
6	Jacob Steinebronn	0.16 s	C++	2023-05-09 16:25:31
7	judge	0.16 s	C++	2024-01-25 12:15:12
8	Noszály Áron	0.16 s	C++	2024-03-14 19:38:35
9	Orson Baines	0.16 s	C++	2026-01-05 00:34:23
10	Kevin Sun	0.17 s	C++	2020-02-25 19:50:56

#	User	Runtime	Language	Date
1	Bjørn Dons	0.77 s	Java	2023-04-16 19:39:32
2	Andrew Polizzotto	0.88 s	Java	2020-08-06 06:15:40
3	William Quiroga	0.89 s	Java	2020-02-22 18:23:40
4	Lior Barak	0.89 s	Java	2020-02-22 20:28:54
5	Jimmy Dinh	0.90 s	Java	2023-10-13 10:19:44
6	Yusuf Kharoda	1.09 s	Java	2020-03-27 14:34:27
7	Benjamin Reidys	1.11 s	Java	2020-02-27 04:09:13
8	Daniel West	1.23 s	Java	2020-02-27 20:42:08
9	Brian Qi	1.40 s	Java	2023-10-14 23:18:14
10	Brent Yorgey	1.56 s	Java	2020-05-11 04:32:16

#	User	Runtime	Language	Date
1	Jacob Huebner	0.73 s	Kotlin	2022-05-19 20:27:45
2	Kiel Dowdle	1.14 s	Kotlin	2021-04-07 01:05:39
3	Ivan Petrov	1.30 s	Kotlin	2020-03-09 16:06:41

#	User	Runtime	Language	Date
1	Arnav Sastry	0.74 s	Python 3	2021-05-31 04:16:14
2	Nicholas Russell Saerang	0.98 s	Python 3	2024-01-17 14:32:40
3	Russell	1.05 s	Python 3	2025-09-21 16:14:35
4	Wilbert Chu	1.11 s	Python 3	2024-11-15 23:58:28
5	Andy Liang	1.32 s	Python 3	2025-04-20 01:13:27
6	台北六中	1.40 s	Python 3	09:38:45
7	Henry Xia	1.57 s	Python 3	2020-02-25 08:04:22
8	Jiaming Liu	1.81 s	Python 3	2023-11-18 23:02:17
9	Zac Friggstad	2.02 s	Python 3	2021-03-30 21:39:42
10	Xiaole Zeng	2.04 s	Python 3	2021-03-30 22:59:22

#	User	Runtime	Language	Date
1	Eric Pinter	0.67 s	Rust	2020-11-11 19:44:25

#	User	Length	Language	Date
1	Ivan Petrov	1872	C	2020-03-18 13:40:30

#	User	Length	Language	Date
1	Apurav Khare	4453	C#	2021-09-21 19:13:20

#	User	Length	Language	Date
1	Chenghao Wang	924	C++	2023-05-14 20:06:14
2	Dmitry Lyubshin	950	C++	2023-04-12 16:33:37
3	Yen-Hsiang Chang	951	C++	2020-03-03 18:54:29
4	Xingyu Zhou	1014	C++	2020-02-22 17:11:11
5	Chris Trevisan	1020	C++	2022-04-09 21:04:27
6	Joshua Bernheisel	1022	C++	2025-11-30 18:41:49
7	chen zexing	1040	C++	2023-12-02 10:10:58
8	一笑落塵	1048	C++	2026-03-13 09:44:32
9	Tomasz Idziaszek	1076	C++	2020-02-24 13:31:04
10	Gio Chkhaidze	1079	C++	2021-02-10 09:20:20

#	User	Length	Language	Date
1	Sharon Barak	1918	Java	2020-02-22 19:22:02
2	Daniel West	2200	Java	2020-02-27 20:42:08
3	William Quiroga	2356	Java	2020-02-22 18:23:40
4	Andrew Eveld	2469	Java	2020-11-11 18:20:34
5	Fatima Umar	2503	Java	2021-09-14 20:45:59
6	Saathvik Selvan	2600	Java	2023-05-28 05:50:53
7	Steven Cheng	2702	Java	2020-05-06 01:18:49
8	Andrew Polizzotto	2901	Java	2020-08-06 06:15:40
9	Arup Ratan Guha	2955	Java	2020-12-23 16:25:45
10	Benjamin Reidys	3393	Java	2020-02-27 04:09:13

#	User	Length	Language	Date
1	Jacob Huebner	3058	Kotlin	2022-05-19 20:27:45
2	Ivan Petrov	3267	Kotlin	2020-03-09 16:06:41
3	Kiel Dowdle	3847	Kotlin	2021-04-07 01:13:44

#	User	Length	Language	Date
1	Wilbert Chu	850	Python 3	2024-11-15 23:58:28
2	Nicholas Russell Saerang	945	Python 3	2024-01-17 14:30:38
3	Russell	977	Python 3	2025-09-21 16:14:35
4	Henry Xia	1268	Python 3	2020-02-25 08:04:22
5	Arnav Sastry	1395	Python 3	2021-05-31 04:16:14
6	台北六中	1419	Python 3	09:38:45
7	Anthony DiCarlo	1694	Python 3	2021-09-21 18:05:53
8	Teikn Smith	1829	Python 3	2022-05-20 04:55:50
9	Fatima Umar	1897	Python 3	2021-09-20 22:16:30
10	Zac Friggstad	1990	Python 3	2021-03-30 21:39:42

#	User	Length	Language	Date
1	Eric Pinter	4447	Rust	2020-11-11 19:44:25

Solution running time distribution