Problem A
Numbers On a Tree — Problem Statistics

Back to problem description

Submissions	2144
Accepted submissions	545
Submission ratio	25.42%
Authors	562
Full solves [?]	503
Full solve Ratio	89.50%

#	User	Runtime	Language	Date
1	Rose Liu	0.00 s	C	2021-10-29 21:02:24
2	Darcy Mazloum	0.00 s	C	2022-02-23 02:59:36
3	Richard Xia	0.00 s	C	2022-02-23 18:18:42
4	Vlad Zorila	0.00 s	C	2022-02-23 19:45:14
5	Weichen Zong	0.00 s	C	2022-10-28 21:46:01
6	Nazim Djeradi	0.00 s	C	2022-10-29 17:51:49
7	selyann berrada	0.00 s	C	2024-09-12 00:25:23
8	Anubhav Shelat	0.00 s	C	2024-09-17 19:48:19
9	Sophia Vetrici	0.00 s	C	2024-09-17 23:06:36

#	User	Runtime	Language	Date
1	Dan Greco	0.00 s	Haskell	2025-09-08 21:20:07

#	User	Runtime	Language	Date
1	Daniel Aarao Reis Arturi	0.04 s	Java	2024-09-12 03:07:50
2	Bogdan Timercan	0.04 s	Java	2025-09-10 08:38:54
3	Daniel Zhang	0.06 s	Java	2022-02-22 20:29:36
4	Xin Yi Du	0.06 s	Java	2022-02-23 16:52:48
5	Zixi Luo	0.06 s	Java	2022-10-25 21:24:23
6	Yuran Zhang	0.06 s	Java	2022-10-29 14:24:14
7	Justin Bondurant-David	0.07 s	Java	2021-10-27 00:20:31
8	Xiejun Shen	0.08 s	Java	2025-09-16 03:56:12
9	Hidden user	0.08 s	Java	2025-09-18 21:10:04
10	Nehir Özsunar	0.08 s	Java	2025-09-18 23:33:27

#	User	Runtime	Language	Date
1	Brandon Sovran	0.03 s	Python 2	2022-02-23 01:35:12

#	User	Runtime	Language	Date
1	Théophile Bégin	0.04 s	Python 3	2022-10-21 22:19:28
2	Yi Jia Tan	0.04 s	Python 3	2022-10-22 00:14:12
3	Kaelan Felcarek-Hope	0.04 s	Python 3	2022-10-22 00:49:02
4	Chuntao Hu	0.04 s	Python 3	2022-10-22 01:31:47
5	Christopher Parkinson	0.04 s	Python 3	2022-10-22 15:41:31
6	Claire Feng	0.04 s	Python 3	2022-10-22 17:40:02
7	Minna Feng	0.04 s	Python 3	2022-10-23 05:53:41
8	Victor Chen	0.04 s	Python 3	2022-10-23 19:17:36
9	Yujie Chen	0.04 s	Python 3	2022-10-23 21:52:03
10	Dailun Li	0.04 s	Python 3	2022-10-23 22:28:16

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Python 3 with NumPy	2024-09-16 21:01:48
2	Shusheng Liu	0.04 s	Python 3 with NumPy	2024-09-17 02:46:09
3	Junghoon Cho	0.04 s	Python 3 with NumPy	2025-09-10 16:57:54
4	Yutong Liu	0.04 s	Python 3 with NumPy	2025-09-15 22:25:48
5	Ethan Church	0.04 s	Python 3 with NumPy	2025-09-17 21:32:27
6	hannah dacks	0.04 s	Python 3 with NumPy	2025-09-17 22:04:21
7	Mikhael Pechonkin	0.04 s	Python 3 with NumPy	2025-09-18 18:11:09
8	Hidden user	0.04 s	Python 3 with NumPy	2025-09-18 22:11:52
9	Dominic Phung	0.05 s	Python 3 with NumPy	2023-09-11 03:20:53
10	Isabella Drouin	0.05 s	Python 3 with NumPy	2023-09-13 20:23:22

#	User	Runtime	Language	Date
1	Louis Bouchard	0.00 s	Rust	2024-09-15 05:49:29

#	User	Length	Language	Date
1	Weichen Zong	543	C	2022-10-28 21:46:01
2	Nazim Djeradi	566	C	2022-10-29 17:51:49
3	Rose Liu	591	C	2021-10-29 21:02:24
4	Anubhav Shelat	607	C	2024-09-17 19:48:19
5	Sophia Vetrici	607	C	2024-09-17 23:06:36
6	Vlad Zorila	636	C	2022-02-23 19:45:14
7	Richard Xia	650	C	2022-02-23 18:18:42
8	selyann berrada	708	C	2024-09-12 00:25:23
9	Darcy Mazloum	863	C	2022-02-23 02:59:36

#	User	Length	Language	Date
1	Mohamed Ben Mekki	251	C++	2022-10-21 22:57:17
2	Ricky Youm	257	C++	2023-10-13 00:10:42
3	Hidden user	257	C++	2025-09-19 03:12:03
4	Nicolas Fertout	264	C++	2022-02-23 07:10:47
5	Luna Dana	304	C++	2022-02-18 20:35:42
6	Lara Ozdamar	310	C++	2022-10-27 03:32:20
7	Calla Lu	320	C++	2022-10-28 05:21:01
8	Khalil Alobeid	335	C++	2024-09-19 02:31:34
9	Hidden user	337	C++	2021-10-22 21:14:59
10	Joey Yu	352	C++	2025-09-09 23:28:39

#	User	Length	Language	Date
1	Dan Greco	364	Haskell	2025-09-08 21:20:07

#	User	Length	Language	Date
1	Khalil Alobeid	445	Java	2024-09-19 05:35:02
2	Xiaoyi Li	455	Java	2022-02-23 17:07:15
3	Alberto Lopez Garcia	477	Java	2022-10-27 23:11:51
4	Katie Schunk	486	Java	2021-10-28 21:25:09
5	Jianing Xu	508	Java	2021-10-23 00:01:56
6	Sarah Al Taleb	538	Java	2022-10-27 20:19:50
7	Yimu Zhang	540	Java	2022-10-27 16:20:31
8	Jun Soo Kim	547	Java	2023-09-11 00:49:32
9	Yining Wang	558	Java	2022-02-19 01:43:35
10	Peter Montgomery	562	Java	2023-09-16 00:51:01

#	User	Length	Language	Date
1	Brandon Sovran	317	Python 2	2022-02-23 01:35:12

#	User	Length	Language	Date
1	Edmund Paquin	107	Python 3	2024-09-14 21:39:15
2	Milton Rosenbaum	120	Python 3	2024-09-15 20:44:10
3	Shazain Aziz	128	Python 3	2022-10-28 06:54:39
4	Victor Chen	132	Python 3	2022-10-23 19:19:22
5	Maitree Hirunteeyakul	157	Python 3	2022-10-26 19:42:48
6	Louis-Alexandre Jobin-Colgan	162	Python 3	2023-09-10 17:50:13
7	Alex To	168	Python 3	2022-02-22 23:32:19
8	Chamara Vithanage	169	Python 3	2022-10-28 12:55:32
9	Marie Li Chionis	169	Python 3	2024-09-12 17:41:52
10	Danlin Luo	173	Python 3	2023-09-11 01:33:20

#	User	Length	Language	Date
1	Hidden user	211	Python 3 with NumPy	2025-09-18 22:12:40
2	hannah dacks	290	Python 3 with NumPy	2025-09-17 22:04:21
3	Shusheng Liu	319	Python 3 with NumPy	2024-09-17 02:46:09
4	Ethan Church	342	Python 3 with NumPy	2025-09-17 21:32:27
5	Yutong Liu	356	Python 3 with NumPy	2025-09-15 22:25:48
6	Mikhael Pechonkin	370	Python 3 with NumPy	2025-09-18 18:11:09
7	Hidden user	382	Python 3 with NumPy	2024-09-16 21:01:48
8	Qi Zeng	428	Python 3 with NumPy	2025-09-18 20:53:53
9	Isabella Drouin	469	Python 3 with NumPy	2023-09-13 20:23:22
10	Junghoon Cho	537	Python 3 with NumPy	2025-09-10 16:57:54

#	User	Length	Language	Date
1	Louis Bouchard	708	Rust	2024-09-15 05:49:29

Solution running time distribution