Problem D
High-quality Tree — Problem Statistics

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Submissions	320
Accepted submissions	140
Submission ratio	43.75%
Authors	123
Full solves [?]	104
Full solve Ratio	84.55%

#	User	Runtime	Language	Date
1	Magnus Hokland Hegdahl	0.03 s	C++	2022-11-29 20:46:19
2	Alexander Kravberg	0.03 s	C++	2025-04-13 12:07:45
3	Lew Choon Hean	0.09 s	C++	2024-11-07 15:07:48
4	Kaiqi Yan	0.10 s	C++	2022-12-05 14:36:21
5	Qianlang Chen	0.11 s	C++	2022-12-01 01:09:33
6	Markus Mathiasen	0.11 s	C++	2022-12-03 12:01:43
7	Andrew Polizzotto	0.11 s	C++	2022-12-28 20:23:31
8	Egor Gagushin	0.11 s	C++	2023-04-26 17:56:08
9	Vũ Khắc Minh	0.11 s	C++	2025-05-21 11:43:24
10	Feng Chen	0.11 s	C++	2025-10-05 09:34:09

#	User	Runtime	Language	Date
1	Norbert Voelker	0.27 s	Go	2022-12-26 20:39:15

#	User	Runtime	Language	Date
1	Brent Yorgey	1.49 s	Haskell	2023-06-28 01:15:45

#	User	Runtime	Language	Date
1	Doug Goodman	0.73 s	Java	2022-12-10 19:39:33
2	Bjørn Dons	1.28 s	Java	2023-11-23 21:30:26
3	Lars Fockenga	1.67 s	Java	2022-12-18 12:57:39

#	User	Runtime	Language	Date
1	Jacob Huebner	0.74 s	Kotlin	2023-04-24 01:14:47

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.38 s	Python 3	2022-11-29 15:36:20
2	Lennart Meyling	0.65 s	Python 3	2023-05-16 13:40:00
3	Hugo Bäckman	0.69 s	Python 3	2025-10-29 11:59:25
4	Hrant Hovhannisyan	0.80 s	Python 3	2025-10-13 11:14:30
5	Måns Magnusson	0.81 s	Python 3	2024-11-03 21:09:13
6	Andreas Björklund	0.90 s	Python 3	2022-12-07 13:25:59
7	Casper Rysgaard	0.97 s	Python 3	2022-11-29 15:46:18
8	Ari Saha	1.40 s	Python 3	2025-12-23 18:34:10

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.14 s	Rust	2023-09-29 14:31:20

#	User	Length	Language	Date
1	Kregor Ööbik	664	C++	2023-10-13 20:33:24
2	Elias Lolck	721	C++	2023-02-10 16:39:09
3	Quang Nhat Ngo	771	C++	2024-04-21 01:05:54
4	Mathias Gernez	911	C++	2025-08-27 12:58:13
5	Michael Zündorf	968	C++	2022-11-28 22:08:43
6	Andrey Stepanov	978	C++	2024-10-15 01:41:20
7	Yung Chi Li	1031	C++	2023-01-17 02:35:32
8	Bjarki Baldursson Harksen	1032	C++	2022-12-08 23:12:27
9	Vũ Khắc Minh	1033	C++	2025-05-21 11:43:24
10	Ahmed Chamseddine	1056	C++	2022-12-31 00:18:46

#	User	Length	Language	Date
1	Norbert Voelker	2185	Go	2022-12-26 20:41:26

#	User	Length	Language	Date
1	Brent Yorgey	9625	Haskell	2023-06-28 01:15:45

#	User	Length	Language	Date
1	Doug Goodman	2450	Java	2022-12-10 19:39:33
2	Lars Fockenga	5426	Java	2022-12-18 12:57:39
3	Bjørn Dons	6272	Java	2023-11-23 21:30:26

#	User	Length	Language	Date
1	Jacob Huebner	2386	Kotlin	2023-04-24 01:14:47

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	467	Python 3	2022-11-29 15:46:24
2	Hrant Hovhannisyan	527	Python 3	2025-10-13 11:14:30
3	Andreas Björklund	1031	Python 3	2022-12-07 13:25:59
4	Lennart Meyling	1060	Python 3	2023-05-16 13:40:00
5	Casper Rysgaard	1132	Python 3	2022-11-29 15:46:18
6	Hugo Bäckman	1150	Python 3	2025-10-29 11:59:25
7	Ari Saha	1519	Python 3	2025-12-23 17:27:30
8	Måns Magnusson	2611	Python 3	2024-11-03 21:09:13

#	User	Length	Language	Date
1	Daniel Anker Hermansen	27637	Rust	2023-09-29 14:31:20

Solution running time distribution