Problem A
Kitten on a Tree — Problem Statistics

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Submissions	6363
Accepted submissions	3577
Submission ratio	56.22%
Authors	2940
Accepted authors	2745
Author ratio	93.37%

#	User	Runtime	Language	Date
1	Ludwig Hedeby	0.02 s	C#	2016-10-09 09:56:36
2	Ugnius Skučas	0.02 s	C#	2016-10-16 14:17:19
3	Hidden user	0.02 s	C#	2017-01-21 20:00:58
4	Marek	0.02 s	C#	2017-07-25 17:14:01
5	Andrzej Krajniak	0.02 s	C#	2017-07-25 17:17:57
6	Michael Snyder	0.02 s	C#	2017-09-15 00:51:19
7	Peter Bohunský	0.02 s	C#	2017-11-15 20:37:10
8	Faisal Rahman	0.02 s	C#	2018-02-12 18:03:44
9	Doug Goodman	0.02 s	C#	2018-03-09 23:52:18
10	Johan Pettersson	0.02 s	C#	2018-04-26 21:27:44

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-09-10 16:07:42

#	User	Runtime	Language	Date
1	Ade Hendra	0.00 s	Go	2023-11-26 02:30:22
2	Mukhlas Rosyadi	0.00 s	Go	2023-11-26 16:29:29
3	Dunk Dude	0.00 s	Go	2023-11-28 13:05:54
4	Husain Satan	0.00 s	Go	2023-11-30 03:53:20
5	Jimmy Nejtron	0.00 s	Go	2025-01-10 13:15:05
6	Tom tong	0.02 s	Go	2023-04-01 21:54:14
7	Dick Appel	0.08 s	Go	2020-05-26 17:21:56
8	Krzysztof Gibuła	0.08 s	Go	2021-04-18 00:06:13
9	Norbert Voelker	0.08 s	Go	2021-04-21 17:03:58

#	User	Runtime	Language	Date
1	Gustaf Pihl	0.00 s	Haskell	2016-09-16 03:40:51
2	Hidden user	0.00 s	Haskell	2016-09-16 05:11:17
3	Niklas Rosén	0.00 s	Haskell	2017-01-31 21:49:31
4	Brent Yorgey	0.00 s	Haskell	2017-10-13 18:16:28
5	Olle Eriksson	0.00 s	Haskell	2018-02-06 00:24:06
6	Matthew Johnson	0.00 s	Haskell	2018-03-03 06:17:09
7	Jesper Sandström	0.00 s	Haskell	2018-05-16 14:09:45
8	Hidden user	0.00 s	Haskell	2023-01-12 15:56:56
9	Sebastian Banert	0.00 s	Haskell	2023-10-25 14:43:10
10	Steinar Simonnes	0.00 s	Haskell	2024-02-14 16:39:47

#	User	Runtime	Language	Date
1	emy	0.04 s	Java	2024-09-20 07:05:28
2	Julius Griebel	0.04 s	Java	2024-11-01 14:31:04
3	Micah Stairs	0.05 s	Java	2016-07-09 06:04:25
4	Hidden user	0.05 s	Java	2016-08-01 05:05:55
5	Omar Brome	0.05 s	Java	2016-08-04 21:52:59
6	Nick Wu	0.05 s	Java	2016-08-15 03:29:28
7	Hidden user	0.05 s	Java	2016-08-31 23:19:44
8	Hidden user	0.05 s	Java	2016-09-13 20:03:03
9	Elias Andersson	0.05 s	Java	2016-09-14 16:15:54
10	Edvin Lundberg	0.05 s	Java	2016-09-14 19:38:12

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-21 23:06:24
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-28 01:08:22
3	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-04-27 18:21:05
4	Hidden user	0.08 s	JavaScript (Node.js)	2022-07-09 16:15:38
5	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-20 15:59:26
6	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-03 19:40:00
7	Nicklas Østerberg	0.42 s	JavaScript (Node.js)	2022-03-03 11:55:03
8	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-12 10:31:03

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-07-10 20:58:21
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-26 17:48:36
3	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-11 08:58:27
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-09 22:49:30
5	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-02-01 00:57:58
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-15 16:27:23

#	User	Runtime	Language	Date
1	Timothy Gaede	0.86 s	Julia	2024-03-27 07:28:08

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-05-04 21:53:17
2	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 21:17:50
3	Benjamin Ye	0.18 s	Kotlin	2023-01-11 21:59:02
4	Bradley Richards	0.18 s	Kotlin	2023-03-07 16:05:59
5	Lam Gia Thuan	0.19 s	Kotlin	2017-10-31 23:36:23
6	Hidden user	0.19 s	Kotlin	2017-11-14 12:18:32
7	Magnus Wass	0.19 s	Kotlin	2020-12-27 02:17:52
8	Sergey Jakobsen	0.19 s	Kotlin	2021-08-18 12:49:41
9	Sam Keyser	0.19 s	Kotlin	2023-05-03 17:48:16
10	Adam Rankin	0.19 s	Kotlin	2023-05-06 00:04:20

#	User	Runtime	Language	Date
1	Luke Vandevoorde	0.00 s	OCaml	2023-01-18 23:08:21
2	Evan Magill	0.00 s	OCaml	2023-11-03 16:40:17

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-07 13:50:24

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-01-02 16:06:20
2	Renate	0.01 s	PHP	2021-07-04 00:46:20
3	Andre Wahyudi	0.01 s	PHP	2023-03-16 03:51:36
4	Dian	0.01 s	PHP	2023-11-28 02:34:52

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-12-30 17:05:40

#	User	Runtime	Language	Date
1	Wayne	0.02 s	Python 3	2016-07-11 11:59:08
2	Patrik Lilja	0.02 s	Python 3	2016-08-07 16:51:29
3	Hidden user	0.02 s	Python 3	2016-08-20 18:32:36
4	Noah Weninger	0.02 s	Python 3	2016-09-09 23:59:16
5	Sartaglo	0.02 s	Python 3	2016-09-10 00:07:36
6	Frederic Sauve-Hoover	0.02 s	Python 3	2016-09-10 00:07:52
7	Fredrik Wixenius	0.02 s	Python 3	2016-09-13 18:41:12
8	Hidden user	0.02 s	Python 3	2016-09-14 22:44:06
9	Christian Lindeström	0.02 s	Python 3	2016-09-18 20:46:18
10	Christopher Clouse	0.02 s	Python 3	2016-10-01 04:05:27

#	User	Runtime	Language	Date
1	André Danielsson	0.03 s	Ruby	2016-09-13 20:01:07
2	John Bowers	0.03 s	Ruby	2018-02-13 22:37:01
3	Ivy Wang	0.06 s	Ruby	2023-01-10 23:06:18
4	Thomas Feld	0.06 s	Ruby	2023-02-28 10:57:39

#	User	Length	Language	Date
1	PhilCampbell	467	C	2021-01-10 16:30:21
2	Hidden user	557	C	2024-10-17 23:25:36
3	Milosz Wielondek	579	C	2016-09-16 18:58:00
4	Michael Richardson	581	C	2023-02-28 00:37:02
5	Matthew Weston	724	C	2022-01-23 14:55:12
6	紅茶	772	C	2023-08-29 09:47:34
7	Fred Arnold	797	C	2020-03-16 01:26:27
8	Sivert Fjeldstad Madsen	803	C	2022-09-14 11:46:18
9	Hidden user	837	C	2025-01-01 15:32:29
10	Ian Howell	847	C	2018-06-07 23:18:06

#	User	Length	Language	Date
1	Greg Sinclair	359	C#	2023-11-02 19:50:22
2	Armin Krauss	761	C#	2018-11-11 11:49:22
3	Doug Goodman	786	C#	2018-03-09 23:52:18
4	Thomas Norris	872	C#	2019-10-01 19:00:36
5	Ugnius Skučas	918	C#	2016-10-16 14:17:19
6	Göran Andersson	931	C#	2022-05-15 02:10:53
7	Peter Bohunský	934	C#	2017-11-15 20:37:10
8	Renata Magaña Ramírez de Arellano	999	C#	2023-02-28 05:37:34
9	María Fernanda Ledesma Aguilar	999	C#	2023-03-01 15:08:46
10	María José López Sánchez	999	C#	2023-04-26 09:04:26

#	User	Length	Language	Date
1	Anvit Sinha	244	C++	2023-02-16 22:03:00
2	William Gan	287	C++	2017-08-15 07:15:25
3	Aidan Smith	308	C++	2018-02-06 02:48:53
4	Anshuman Dash	309	C++	2023-01-12 03:23:49
5	Emmanuel Anaya	317	C++	2020-10-26 21:40:43
6	陳善元	318	C++	2023-05-10 08:15:43
7	Antonio Molina Lovett	321	C++	2016-08-11 10:39:08
8	Mohammad Sadeghi	333	C++	2019-07-19 06:32:47
9	Clement Oh	346	C++	2023-06-13 10:22:25
10	Đậu Huy Minh	357	C++	2022-12-02 17:35:16

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	862	F#	2022-09-10 16:07:42

#	User	Length	Language	Date
1	Krzysztof Gibuła	505	Go	2021-04-18 00:06:13
2	Dunk Dude	827	Go	2023-11-28 13:05:54
3	Tom tong	904	Go	2023-04-01 21:54:14
4	Norbert Voelker	989	Go	2021-04-21 17:03:58
5	Dick Appel	1030	Go	2020-05-26 17:21:56
6	Husain Satan	1193	Go	2023-11-30 03:53:20
7	Jimmy Nejtron	1235	Go	2025-01-10 13:15:05
8	Mukhlas Rosyadi	1272	Go	2023-11-26 16:29:29
9	Ade Hendra	2400	Go	2023-11-26 02:30:22

#	User	Length	Language	Date
1	Håkon Flatval	410	Haskell	2018-09-01 01:29:54
2	Mark Lekkerkerker	462	Haskell	2020-05-26 16:32:09
3	Niklas Rosén	476	Haskell	2017-01-31 21:49:31
4	Sebastian Banert	479	Haskell	2023-10-25 14:43:10
5	Matthew Johnson	489	Haskell	2018-03-03 06:17:09
6	Hidden user	504	Haskell	2019-08-23 19:12:55
7	Gustaf Pihl	505	Haskell	2016-09-16 03:40:51
8	Llaurence Git	557	Haskell	2018-11-09 10:41:17
9	Jan Hrček	582	Haskell	2020-11-01 08:08:59
10	Hidden user	585	Haskell	2023-01-12 15:56:56

#	User	Length	Language	Date
1	John Hershey	519	Java	2023-11-02 17:56:49
2	Song Xiangming	533	Java	2018-01-13 08:25:52
3	Janne Selkälä	536	Java	2016-09-16 22:49:47
4	Kevin Flynn	537	Java	2018-11-27 15:38:37
5	Trevor Harness	545	Java	2018-01-08 20:13:14
6	Weiyi Zhang	553	Java	2018-01-13 09:36:08
7	Dev Singh	557	Java	2018-01-11 02:33:07
8	Mathew Lewis	566	Java	2018-01-10 08:10:39
9	Danial Motamedi Mehr	572	Java	2020-03-09 19:49:45
10	Castel Christopher	575	Java	2018-09-19 09:56:13

#	User	Length	Language	Date
1	Chris Wong	653	JavaScript (Node.js)	2021-02-20 15:59:26
2	Hovhannes Kantuni	662	JavaScript (Node.js)	2021-03-03 19:40:00
3	Hidden user	772	JavaScript (Node.js)	2024-08-21 23:06:24
4	Nicklas Østerberg	947	JavaScript (Node.js)	2022-03-03 11:55:03
5	Andoko Chandra	951	JavaScript (Node.js)	2020-10-12 10:31:03
6	Hidden user	1026	JavaScript (Node.js)	2022-07-09 16:15:38
7	Gurpartap Singh Bhatti	1260	JavaScript (Node.js)	2019-04-27 18:21:05
8	Carl Sundvall	1563	JavaScript (Node.js)	2018-10-28 01:08:22

#	User	Length	Language	Date
1	Jimmy Gustafsson	158	JavaScript (SpiderMonkey)	2024-07-09 22:49:30
2	Peter Kedemo	311	JavaScript (SpiderMonkey)	2016-07-10 20:58:21
3	Bjørn Chr. Soltvedt	315	JavaScript (SpiderMonkey)	2016-07-26 17:48:36
4	Peter Menyes	400	JavaScript (SpiderMonkey)	2021-08-15 16:27:23
5	Christian Cederquist	457	JavaScript (SpiderMonkey)	2023-01-11 08:58:27
6	Zach Tschetter	469	JavaScript (SpiderMonkey)	2025-02-01 00:57:58

#	User	Length	Language	Date
1	Timothy Gaede	1623	Julia	2024-03-27 07:22:06

#	User	Length	Language	Date
1	Hidden user	418	Kotlin	2017-11-14 12:18:32
2	Magnus Wass	443	Kotlin	2020-12-27 02:17:52
3	Emil Wihlander	559	Kotlin	2023-07-25 23:14:30
4	Stephen Atwood	563	Kotlin	2024-08-30 19:37:23
5	Dayan Ruben Gonzalez	595	Kotlin	2020-09-28 21:17:50
6	Troy Warmboe	597	Kotlin	2023-04-11 16:45:38
7	Sergey Jakobsen	618	Kotlin	2021-08-18 12:49:41
8	Benjamin Ye	627	Kotlin	2023-01-11 21:59:02
9	Lam Gia Thuan	634	Kotlin	2017-10-31 23:36:23
10	Adam Rankin	646	Kotlin	2023-05-06 00:04:20

#	User	Length	Language	Date
1	Evan Magill	642	OCaml	2023-11-03 16:40:17
2	Luke Vandevoorde	693	OCaml	2023-01-18 23:08:21

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1410	Pascal	2018-03-07 13:50:24

#	User	Length	Language	Date
1	Dian	476	PHP	2023-11-28 02:34:52
2	Renate	501	PHP	2021-07-04 00:46:20
3	Connor Billings	643	PHP	2020-01-02 16:06:20
4	Andre Wahyudi	976	PHP	2023-03-16 03:51:36

#	User	Length	Language	Date
1	Andriy Zyevakov	797	Prolog	2016-12-30 17:05:40

#	User	Length	Language	Date
1	Per-Ivar Faust	117	Python 3	2023-11-02 20:36:29
2	Shashank Bhatt	125	Python 3	2024-07-23 05:39:04
3	Thomas Draper	138	Python 3	2023-08-02 01:10:34
4	Kévin Dubrulle	139	Python 3	2024-10-23 11:10:04
5	Anshuman Dash	142	Python 3	2023-01-12 03:12:47
6	Simon Baeckelant	147	Python 3	2024-12-02 09:22:35
7	Ahmed Chamseddine	153	Python 3	2024-07-15 11:48:41
8	Morten Clausen	155	Python 3	2022-10-22 02:00:20
9	Thibault Raffaillac	164	Python 3	2023-07-31 22:58:29
10	Julius Thunström	165	Python 3	2023-03-10 21:41:11

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2023-02-28 10:57:39
2	André Danielsson	209	Ruby	2016-09-13 20:01:07
3	Ivy Wang	267	Ruby	2023-01-10 23:06:18
4	John Bowers	288	Ruby	2018-02-13 22:37:01

#	User	Length	Language	Date
1	Vincent Lagerros	523	Rust	2025-02-03 11:38:14
2	Artur Khuziakhmetov	608	Rust	2025-01-25 08:42:50
3	David Zacek	721	Rust	2021-05-30 20:23:58
4	Kok Dith	896	Rust	2021-08-12 03:38:10
5	Bas Dirks	948	Rust	2022-01-04 16:24:54
6	Pankajkumar Patro	983	Rust	2024-12-04 00:04:10
7	Jianghua Wang	1018	Rust	2023-01-10 07:36:06
8	Morrow	1021	Rust	2020-04-22 07:16:02
9	Jauhar Arifin	1036	Rust	2023-11-27 03:11:43
10	rasmus tomtava "Store dreng" bjerg	1117	Rust	2022-10-07 00:32:38

Solution running time distribution