Problem A
Numbers On a Tree — Problem Statistics

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Submissions	11808
Accepted submissions	4865
Submission ratio	41.20%
Authors	4205
Accepted authors	3771
Author ratio	89.68%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-10-29 10:11:40

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2014-04-13 12:28:34
2	Ayk Stepanyan	0.02 s	C#	2014-10-10 01:19:32
3	masosz	0.02 s	C#	2015-01-19 17:30:29
4	Bas te Kolste	0.02 s	C#	2015-06-17 23:52:46
5	Mads Storm Hansen	0.02 s	C#	2015-07-13 01:05:14
6	Piotr Karpala	0.02 s	C#	2015-08-23 22:37:20
7	Vitou Phy	0.02 s	C#	2015-08-28 07:44:25
8	Robert Low	0.02 s	C#	2016-07-18 23:58:16
9	Ugnius Skučas	0.02 s	C#	2016-10-10 20:38:05
10	Hidden user	0.02 s	C#	2017-04-22 16:44:17

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-11-30 02:12:39

#	User	Runtime	Language	Date
1	Sebastian Sternberg	0.04 s	F#	2021-08-22 20:14:11
2	Jacob Harris Cryer Kragh	0.08 s	F#	2023-08-20 15:26:08

#	User	Runtime	Language	Date
1	Ardian Ferdianto	0.00 s	Go	2023-12-04 13:28:18
2	Hidden user	0.00 s	Go	2024-10-04 18:05:35
3	selyann berrada	0.00 s	Go	2024-12-31 00:44:08
4	Alejandro Germain	0.07 s	Go	2018-10-23 18:33:10
5	Niklas Wärvik	0.08 s	Go	2015-08-03 16:55:06
6	Hidden user	0.08 s	Go	2017-11-25 23:01:14
7	Ian Howell	0.08 s	Go	2019-09-29 17:01:50
8	Krzysztof Gibuła	0.08 s	Go	2021-03-20 15:24:43
9	Hidden user	0.08 s	Go	2021-04-03 05:16:06
10	Norbert Voelker	0.08 s	Go	2021-05-08 21:27:15

#	User	Runtime	Language	Date
1	Ivan Kosov	0.04 s	Java	2024-08-11 00:30:15
2	Bala Krishna	0.04 s	Java	2024-08-14 18:07:08
3	Daniel Aarao Reis Arturi	0.04 s	Java	2024-09-12 03:07:50
4	Santiago Rivas	0.04 s	Java	2024-09-15 11:30:49
5	SHREYAS GIRISH JAMADAGNI	0.04 s	Java	2024-09-15 14:04:45
6	Jaylon Ezekiel Tan Jiong Rui	0.04 s	Java	2024-09-24 08:26:10
7	Hidden user	0.04 s	Java	2024-10-01 14:14:41
8	Ong Wei En	0.04 s	Java	2024-10-10 04:27:52
9	Muhammad Khaizuran Bin Mohamad Rosle	0.04 s	Java	2024-10-16 14:57:17
10	Mohamed Faizal S/O Mohamed Jamaludeen	0.04 s	Java	2024-10-21 17:03:09

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.08 s	JavaScript (Node.js)	2022-08-25 16:45:39
2	Robert Williams	0.40 s	JavaScript (Node.js)	2019-09-28 19:52:29
3	Jira Angel	0.42 s	JavaScript (Node.js)	2021-04-13 13:20:05
4	oscar Melin	0.42 s	JavaScript (Node.js)	2021-04-13 20:42:09
5	Muhammad Iqbal Bin Imran	0.42 s	JavaScript (Node.js)	2021-05-12 21:09:06

#	User	Runtime	Language	Date
1	Anton Klarén	0.01 s	JavaScript (SpiderMonkey)	2014-09-04 21:28:25
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-18 21:56:38
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-12 02:35:50
4	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-07-26 13:42:10
5	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-07-27 09:05:24
6	Alan Delaney	0.01 s	JavaScript (SpiderMonkey)	2017-04-11 16:53:05
7	Nguyễn Hùng Cường	0.02 s	JavaScript (SpiderMonkey)	2018-08-01 05:51:26
8	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-09 18:31:42
9	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-09 21:21:27
10	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-22 21:28:11

#	User	Runtime	Language	Date
1	Timothy Gaede	0.59 s	Julia	2024-09-12 07:58:45

#	User	Runtime	Language	Date
1	Johnny Baloney	0.12 s	Kotlin	2022-01-11 18:55:33
2	Sam Keyser	0.12 s	Kotlin	2022-09-24 20:13:35
3	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-28 16:37:09
4	Robert M	0.17 s	Kotlin	2023-02-21 22:17:54
5	Neil Harmon	0.18 s	Kotlin	2019-07-09 10:06:29
6	Phường Lên	0.18 s	Kotlin	2019-10-23 23:03:32
7	Adam Koprowski	0.18 s	Kotlin	2020-09-07 19:20:41
8	Sarek Høverstad Skotåm	0.18 s	Kotlin	2020-10-07 23:58:06
9	Eloy Hernández	0.18 s	Kotlin	2021-09-06 21:19:07
10	Roy Liu	0.18 s	Kotlin	2023-06-10 15:11:23

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-18 07:11:22
2	Nhật Quang	0.00 s	Pascal	2018-01-04 07:56:10
3	Trường Nhật Dương	0.00 s	Pascal	2018-01-04 08:07:02

#	User	Runtime	Language	Date
1	Savvas Alexandrou	0.01 s	PHP	2019-12-23 22:27:11

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-12-26 22:25:58
2	Andriy Zyevakov	0.02 s	Prolog	2022-08-14 10:17:45

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-04-13 11:31:39
2	Rastislav Vaško	0.02 s	Python 3	2014-04-13 12:20:07
3	Changyu Bi	0.02 s	Python 3	2014-09-14 19:42:49
4	Erik Bjäreholt	0.02 s	Python 3	2014-09-27 13:19:37
5	Shiqi Xiao	0.02 s	Python 3	2014-10-10 22:26:00
6	Erik Månsson	0.02 s	Python 3	2014-12-12 16:33:55
7	Nicolaj Nielsen	0.02 s	Python 3	2014-12-24 00:36:58
8	Brian Harrington	0.02 s	Python 3	2015-02-22 05:00:54
9	Christopher Stewart	0.02 s	Python 3	2015-02-26 15:09:03
10	Nils Gustafsson	0.02 s	Python 3	2015-03-23 22:37:34

#	User	Runtime	Language	Date
1	Lasse Berglund	0.03 s	Ruby	2016-04-06 14:02:46
2	Hidden user	0.04 s	Ruby	2019-02-25 15:29:16
3	Kok Dith	0.05 s	Ruby	2021-09-01 03:49:28
4	apt	0.05 s	Ruby	2021-12-11 14:57:46
5	Frederik Petersen	0.05 s	Ruby	2023-03-23 13:51:48
6	Thomas Feld	0.06 s	Ruby	2023-01-11 15:54:10
7	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2023-03-21 20:53:43
8	Alexander Bilde Pedersen	0.06 s	Ruby	2023-03-21 22:25:08

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 11:47:04

#	User	Length	Language	Date
1	Fredrik Karlberg	148	C	2023-06-14 18:02:49
2	Ivan Petrov	214	C	2019-07-03 10:41:16
3	Siddhesh Malegaonkar	253	C	2016-10-18 18:06:41
4	Eric Dand	259	C	2017-03-30 05:38:10
5	Hidden user	264	C	2014-09-27 11:24:35
6	Ruben Spaans	274	C	2014-09-27 13:51:38
7	Dan Anderson	276	C	2017-03-18 17:29:42
8	Hidden user	309	C	2023-01-01 15:20:58
9	Abhinav Dusi	325	C	2021-10-08 21:12:22
10	Dan Rubery	341	C	2015-04-11 02:49:29

#	User	Length	Language	Date
1	Göran Andersson	484	C#	2022-05-18 22:34:45
2	Martin Engström	527	C#	2023-06-11 00:16:10
3	Bas te Kolste	540	C#	2015-06-17 23:52:46
4	Thomas Norris	562	C#	2019-06-26 00:12:27
5	Hidden user	571	C#	2020-03-26 11:06:05
6	Armin Krauss	576	C#	2018-11-23 17:18:22
7	Slimlix	792	C#	2022-05-13 15:58:22
8	Robert Low	948	C#	2016-07-18 23:58:16
9	Mats Lourenco	981	C#	2023-06-13 21:09:07
10	Eric Weiss	1011	C#	2022-09-06 23:13:28

#	User	Length	Language	Date
1	Dominic Sagen	116	C++	2023-03-15 17:56:16
2	Ernest Ng Zi Xuan	124	C++	2022-10-29 10:02:10
3	Daniel Brännvall	149	C++	2023-06-12 12:41:13
4	Antonio Molina Lovett	162	C++	2016-08-07 07:51:16
5	OwO	189	C++	2021-01-27 19:19:31
6	Jerrell Ezralemuel	194	C++	2019-09-16 23:26:35
7	Johan Wind	199	C++	2014-09-20 12:53:48
8	Noah Ruderman	213	C++	2024-11-07 22:57:14
9	Anna Roczek	219	C++	2023-07-22 19:38:33
10	Carl-William Lindkvist	220	C++	2023-06-13 09:15:25

#	User	Length	Language	Date
1	David Cawthon	374	Common Lisp	2020-11-30 02:12:39

#	User	Length	Language	Date
1	Sebastian Sternberg	392	F#	2021-08-22 20:14:11
2	Jacob Harris Cryer Kragh	877	F#	2023-08-20 15:26:08

#	User	Length	Language	Date
1	Hidden user	247	Go	2021-04-03 05:16:06
2	Ardian Ferdianto	336	Go	2023-12-04 13:28:18
3	Hidden user	366	Go	2017-11-25 23:01:14
4	Krzysztof Gibuła	427	Go	2021-03-20 15:24:43
5	Niklas Wärvik	473	Go	2015-08-03 16:55:06
6	Alejandro Germain	480	Go	2018-10-23 18:33:10
7	Ian Howell	562	Go	2019-09-29 17:01:50
8	selyann berrada	689	Go	2024-12-31 00:44:08
9	Norbert Voelker	751	Go	2021-05-08 21:27:15
10	Hidden user	3053	Go	2024-10-04 18:05:35

#	User	Length	Language	Date
1	Juan Miguel Vilar	92	Haskell	2023-09-08 11:43:03
2	David Wärn	205	Haskell	2015-04-21 11:37:23
3	Myint Myat Aung	306	Haskell	2020-08-03 09:24:31
4	Jan Hlavacek	318	Haskell	2017-01-06 05:40:53
5	Esther Chong	320	Haskell	2017-11-18 14:59:43
6	Vincent Chow Zhi Yang	353	Haskell	2016-01-26 09:52:31
7	Hidden user	408	Haskell	2014-04-13 17:43:58
8	Atli Fannar Franklín	415	Haskell	2017-11-14 14:44:23
9	Aurélien Pepin	437	Haskell	2019-09-12 16:18:12
10	Eskil Andréen	468	Haskell	2015-02-22 15:07:28

#	User	Length	Language	Date
1	Youssef Moussaoui	338	Java	2018-12-22 22:19:06
2	Udit Sanghi	342	Java	2021-07-26 07:11:40
3	Echouri Yassine	361	Java	2018-12-22 22:23:18
4	Yeung Man Tsung	389	Java	2022-07-18 15:35:26
5	Ismail Benrakia	391	Java	2018-12-22 21:42:39
6	Kiên Nguyễn Tiến Trung	393	Java	2017-01-23 04:37:07
7	Rizeng Zheng	404	Java	2014-06-04 22:07:30
8	Mitch Price	405	Java	2016-09-11 21:27:15
9	Brennan Cleland	406	Java	2023-05-12 21:01:50
10	Are Ehnberg	434	Java	2020-02-06 14:20:28

#	User	Length	Language	Date
1	Robert Williams	688	JavaScript (Node.js)	2019-09-28 19:52:29
2	Muhammad Iqbal Bin Imran	717	JavaScript (Node.js)	2021-05-12 21:09:06
3	oscar Melin	921	JavaScript (Node.js)	2021-04-13 20:48:20
4	Samuel Högfeldt	992	JavaScript (Node.js)	2022-08-25 16:45:39
5	Jira Angel	1753	JavaScript (Node.js)	2021-04-13 13:20:05

#	User	Length	Language	Date
1	Jimmy Gustafsson	207	JavaScript (SpiderMonkey)	2022-06-09 21:21:27
2	Hà Minh Ngọc	257	JavaScript (SpiderMonkey)	2016-07-26 13:42:10
3	Hidden user	257	JavaScript (SpiderMonkey)	2016-07-27 09:05:24
4	Nguyễn Hùng Cường	260	JavaScript (SpiderMonkey)	2018-08-01 05:51:26
5	Peter Kedemo	280	JavaScript (SpiderMonkey)	2016-01-18 21:56:38
6	Christian Cederquist	285	JavaScript (SpiderMonkey)	2023-01-22 21:28:11
7	Anton Klarén	322	JavaScript (SpiderMonkey)	2014-09-04 21:28:25
8	Wesley Jacobs	338	JavaScript (SpiderMonkey)	2020-03-06 20:44:49
9	Bjørn Chr. Soltvedt	436	JavaScript (SpiderMonkey)	2016-02-12 02:35:50
10	Håkan Lindahl	586	JavaScript (SpiderMonkey)	2022-06-09 18:34:01

#	User	Length	Language	Date
1	Timothy Gaede	473	Julia	2024-09-12 07:58:45

#	User	Length	Language	Date
1	Sam Keyser	272	Kotlin	2022-09-24 20:13:35
2	Dmitry Shostak	275	Kotlin	2019-08-30 07:28:09
3	Eloy Hernández	317	Kotlin	2021-09-06 21:19:07
4	Jacob Huebner	354	Kotlin	2020-02-25 04:48:44
5	Adam Koprowski	376	Kotlin	2020-09-07 19:20:41
6	Phường Lên	401	Kotlin	2019-10-23 23:03:32
7	Dayan Ruben Gonzalez	413	Kotlin	2020-09-28 16:37:09
8	Roy Liu	420	Kotlin	2023-06-10 15:11:23
9	Sarek Høverstad Skotåm	483	Kotlin	2020-10-07 23:58:06
10	Robert M	487	Kotlin	2023-02-21 22:17:54

#	User	Length	Language	Date
1	Ingemar Ragnemalm	409	Pascal	2017-09-18 07:11:22
2	Nhật Quang	637	Pascal	2018-01-04 07:56:10
3	Trường Nhật Dương	652	Pascal	2018-01-04 08:07:02

#	User	Length	Language	Date
1	Savvas Alexandrou	1075	PHP	2019-12-23 22:27:11

#	User	Length	Language	Date
1	Andriy Zyevakov	703	Prolog	2022-08-14 10:17:45
2	Hadi Qovaizi	6842	Prolog	2016-12-26 22:25:58

#	User	Length	Language	Date
1	Simon Hellsten	77	Python 3	2023-07-11 14:47:17
2	David Llorens	77	Python 3	2023-09-08 18:24:50
3	Per-Ivar Faust	78	Python 3	2023-09-16 08:04:34
4	Frederik Raisa	78	Python 3	2024-04-05 11:15:40
5	Timothy Wan Kai Yang	80	Python 3	2022-10-29 10:27:52
6	Kevin Gomez	82	Python 3	2023-09-17 04:40:54
7	Ryan Pitasky	83	Python 3	2023-09-17 04:31:09
8	Do Khoi Nguyen	88	Python 3	2025-02-03 03:25:00
9	Nicolas Testu	91	Python 3	2023-01-14 14:02:42
10	Guk Yi Siong	91	Python 3	2023-07-26 20:12:22

#	User	Length	Language	Date
1	Thomas Feld	42	Ruby	2023-01-11 15:54:10
2	Frederik Petersen	68	Ruby	2023-03-23 15:27:45
3	Alexander Bilde Pedersen	71	Ruby	2023-03-21 22:48:02
4	Andreas Severin Hauch Trøstrup	76	Ruby	2023-03-22 09:53:38
5	Hidden user	133	Ruby	2019-02-25 15:29:16
6	Kok Dith	206	Ruby	2021-09-01 03:49:28
7	apt	206	Ruby	2021-12-11 14:57:46
8	Lasse Berglund	264	Ruby	2016-04-06 14:02:46

#	User	Length	Language	Date
1	David Rasch	468	Rust	2020-08-10 18:48:52
2	Þorgeir Auðunn Karlsson	544	Rust	2021-05-09 01:26:34
3	Oskar Lindén	666	Rust	2022-06-10 18:53:29
4	Louis Bouchard	708	Rust	2024-09-15 05:49:29
5	Malthe Mathias Mølgaard Larsen	790	Rust	2023-03-23 13:37:25
6	Anshil Gandhi	871	Rust	2020-08-16 00:14:16
7	Reis Faar	887	Rust	2023-07-18 21:38:34
8	Owen Seary	933	Rust	2024-09-19 22:30:27
9	Bas Dirks	940	Rust	2022-01-15 10:43:49
10	Serguei Antonovich Kirillov	1007	Rust	2019-10-06 19:35:10

Solution running time distribution