Problem A
Rooted Subtrees — Problem Statistics

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Submissions	1392
Accepted submissions	442
Submission ratio	31.75%
Authors	361
Full solves [?]	327
Full solve Ratio	90.58%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.22 s	C	2020-03-18 12:40:30

#	User	Runtime	Language	Date
1	Apurav Khare	2.88 s	C#	2021-09-21 17:13:20

#	User	Runtime	Language	Date
1	Lawry Sorenson	0.12 s	C++	2024-02-16 19:45:31
2	Henry Xia	0.15 s	C++	2020-02-25 19:33:22
3	Andy Phan	0.15 s	C++	2020-12-22 04:12:41
4	Zhaotong Xie	0.16 s	C++	2020-03-18 00:16:31
5	Greg Zborovsky	0.16 s	C++	2023-03-25 19:09:45
6	Jacob Steinebronn	0.16 s	C++	2023-05-09 14:25:31
7	judge	0.16 s	C++	2024-01-25 11:15:12
8	Noszály Áron	0.16 s	C++	2024-03-14 18:38:35
9	Orson Baines	0.16 s	C++	2026-01-04 23:34:23
10	Kevin Sun	0.17 s	C++	2020-02-25 18:50:56

#	User	Runtime	Language	Date
1	Bjørn Dons	0.77 s	Java	2023-04-16 17:39:32
2	Andrew Polizzotto	0.88 s	Java	2020-08-06 04:15:40
3	William Quiroga	0.89 s	Java	2020-02-22 17:23:40
4	Lior Barak	0.89 s	Java	2020-02-22 19:28:54
5	Jimmy Dinh	0.90 s	Java	2023-10-13 08:19:44
6	Yusuf Kharoda	1.09 s	Java	2020-03-27 13:34:27
7	Benjamin Reidys	1.11 s	Java	2020-02-27 03:09:13
8	Daniel West	1.23 s	Java	2020-02-27 19:42:08
9	Brian Qi	1.40 s	Java	2023-10-14 21:18:14
10	Brent Yorgey	1.56 s	Java	2020-05-11 02:32:16

#	User	Runtime	Language	Date
1	Jacob Huebner	0.73 s	Kotlin	2022-05-19 18:27:45
2	Kiel Dowdle	1.14 s	Kotlin	2021-04-06 23:05:39
3	Ivan Petrov	1.30 s	Kotlin	2020-03-09 15:06:41

#	User	Runtime	Language	Date
1	Arnav Sastry	0.74 s	Python 3	2021-05-31 02:16:14
2	Nicholas Russell Saerang	0.98 s	Python 3	2024-01-17 13:32:40
3	Russell	1.05 s	Python 3	2025-09-21 14:14:35
4	Wilbert Chu	1.11 s	Python 3	2024-11-15 22:58:28
5	Andy Liang	1.32 s	Python 3	2025-04-19 23:13:27
6	台北六中	1.40 s	Python 3	2026-03-15 08:38:45
7	Henry Xia	1.57 s	Python 3	2020-02-25 07:04:22
8	Jiaming Liu	1.81 s	Python 3	2023-11-18 22:02:17
9	Zac Friggstad	2.02 s	Python 3	2021-03-30 19:39:42
10	Xiaole Zeng	2.04 s	Python 3	2021-03-30 20:59:22

#	User	Runtime	Language	Date
1	Eric Pinter	0.67 s	Rust	2020-11-11 18:44:25

#	User	Length	Language	Date
1	Ivan Petrov	1872	C	2020-03-18 12:40:30

#	User	Length	Language	Date
1	Apurav Khare	4453	C#	2021-09-21 17:13:20

#	User	Length	Language	Date
1	Chenghao Wang	924	C++	2023-05-14 18:06:14
2	Dmitry Lyubshin	950	C++	2023-04-12 14:33:37
3	Yen-Hsiang Chang	951	C++	2020-03-03 17:54:29
4	Xingyu Zhou	1014	C++	2020-02-22 16:11:11
5	Chris Trevisan	1020	C++	2022-04-09 19:04:27
6	Joshua Bernheisel	1022	C++	2025-11-30 17:41:49
7	chen zexing	1040	C++	2023-12-02 09:10:58
8	一笑落塵	1048	C++	2026-03-13 08:44:32
9	Tomasz Idziaszek	1076	C++	2020-02-24 12:31:04
10	Gio Chkhaidze	1079	C++	2021-02-10 08:20:20

#	User	Length	Language	Date
1	Sharon Barak	1918	Java	2020-02-22 18:22:02
2	Daniel West	2200	Java	2020-02-27 19:42:08
3	William Quiroga	2356	Java	2020-02-22 17:23:40
4	Andrew Eveld	2469	Java	2020-11-11 17:20:34
5	Fatima Umar	2503	Java	2021-09-14 18:45:59
6	Saathvik Selvan	2600	Java	2023-05-28 03:50:53
7	Steven Cheng	2702	Java	2020-05-05 23:18:49
8	Andrew Polizzotto	2901	Java	2020-08-06 04:15:40
9	Arup Ratan Guha	2955	Java	2020-12-23 15:25:45
10	Benjamin Reidys	3393	Java	2020-02-27 03:09:13

#	User	Length	Language	Date
1	Jacob Huebner	3058	Kotlin	2022-05-19 18:27:45
2	Ivan Petrov	3267	Kotlin	2020-03-09 15:06:41
3	Kiel Dowdle	3847	Kotlin	2021-04-06 23:13:44

#	User	Length	Language	Date
1	Wilbert Chu	850	Python 3	2024-11-15 22:58:28
2	Nicholas Russell Saerang	945	Python 3	2024-01-17 13:30:38
3	Russell	977	Python 3	2025-09-21 14:14:35
4	Henry Xia	1268	Python 3	2020-02-25 07:04:22
5	Arnav Sastry	1395	Python 3	2021-05-31 02:16:14
6	台北六中	1419	Python 3	2026-03-15 08:38:45
7	Anthony DiCarlo	1694	Python 3	2021-09-21 16:05:53
8	Teikn Smith	1829	Python 3	2022-05-20 02:55:50
9	Fatima Umar	1897	Python 3	2021-09-20 20:16:30
10	Zac Friggstad	1990	Python 3	2021-03-30 19:39:42

#	User	Length	Language	Date
1	Eric Pinter	4447	Rust	2020-11-11 18:44:25

Solution running time distribution