Problem A
Cat in a tree — Problem Statistics

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Submissions	659
Accepted submissions	174
Submission ratio	26.40%
Authors	161
Full solves [?]	109
Full solve Ratio	67.70%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.04 s	C	2019-07-22 15:36:38
2	Mirel Cosulschi	0.06 s	C	2025-04-24 22:48:43

#	User	Runtime	Language	Date
1	Huy Le	0.04 s	C++	2019-05-29 15:46:34
2	Vu Hoang Kien	0.04 s	C++	2019-06-21 16:15:35
3	Henry Xia	0.04 s	C++	2020-08-23 02:24:41
4	Jeremy Lim	0.04 s	C++	2024-05-29 05:50:36
5	Bence Deák	0.04 s	C++	2024-10-27 10:52:30
6	Adrian Dobbe Flemmen	0.04 s	C++	2025-03-21 22:08:27
7	Trade Exchange	0.04 s	C++	2025-08-30 22:34:28
8	Ivar Lee Fevang	0.04 s	C++	2026-01-20 23:24:24
9	Alex Gu	0.05 s	C++	2017-06-21 17:54:16
10	Oncescu Costin-Andrei	0.05 s	C++	2018-07-03 21:29:18

#	User	Runtime	Language	Date
1	José Vander Meulen	0.22 s	Java	2018-05-06 11:11:12
2	Gabriel Soule	0.91 s	Java	2020-04-24 23:00:51

#	User	Runtime	Language	Date
1	Ursula Hebert-Johnson	0.98 s	JavaScript (Node.js)	2020-04-19 00:58:06

#	User	Runtime	Language	Date
1	Alexandrs Zayakins	0.40 s	Pascal	2017-06-22 09:57:56

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.24 s	Python 3	2025-03-22 15:51:29
2	Mayank Jha	0.29 s	Python 3	2022-02-06 23:10:20
3	Richa Jha	0.29 s	Python 3	2022-02-07 03:49:32
4	Torstein Strømme	0.50 s	Python 3	2017-09-27 18:22:54
5	Nathan Wachholz	0.79 s	Python 3	2020-04-24 03:25:53
6	Dylan Kupsh	0.88 s	Python 3	2020-04-28 04:13:59

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.07 s	Rust	2023-12-27 11:38:12

#	User	Length	Language	Date
1	Mirel Cosulschi	2002	C	2025-04-24 22:46:12
2	Ivan Petrov	2285	C	2019-07-22 15:36:38

#	User	Length	Language	Date
1	Lukas Michel	639	C++	2020-07-02 19:09:00
2	Nguyen Xuan Tung	711	C++	2020-07-16 06:48:08
3	Hải Minh	726	C++	2018-05-08 19:37:05
4	Antti Laaksonen	806	C++	2018-03-15 08:42:22
5	Etienne Rossignol	806	C++	2018-08-24 12:10:50
6	Huy Le	812	C++	2019-05-29 15:46:34
7	Jeremy Lim	814	C++	2024-05-29 05:50:59
8	Trade Exchange	833	C++	2025-08-30 22:34:28
9	Birk Tjelmeland	886	C++	2017-11-22 14:29:23
10	Pasapol Saowakon	895	C++	2017-06-25 06:06:22

#	User	Length	Language	Date
1	José Vander Meulen	5199	Java	2018-05-06 11:11:12
2	Gabriel Soule	7672	Java	2020-04-24 23:00:51

#	User	Length	Language	Date
1	Ursula Hebert-Johnson	4001	JavaScript (Node.js)	2020-04-19 00:58:06

#	User	Length	Language	Date
1	Alexandrs Zayakins	8194	Pascal	2017-06-22 09:57:56

#	User	Length	Language	Date
1	Ole Vik Lysne	780	Python 3	2025-03-22 17:45:19
2	Richa Jha	1442	Python 3	2022-02-07 03:49:32
3	Dylan Kupsh	2204	Python 3	2020-04-28 04:13:59
4	Mayank Jha	2236	Python 3	2022-02-06 23:10:20
5	Torstein Strømme	2244	Python 3	2017-09-27 18:22:54
6	Nathan Wachholz	2484	Python 3	2020-04-24 03:25:53

#	User	Length	Language	Date
1	Daniel Anker Hermansen	26789	Rust	2023-12-27 11:38:12

Solution running time distribution