Problem E
Kitten on a Tree — Problem Statistics

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Submissions	7646
Accepted submissions	4142
Submission ratio	54.17%
Authors	3420
Full solves [?]	3195
Full solve Ratio	93.42%

#	User	Runtime	Language	Date
1	Matzuka	0.02 s	APL	2025-05-02 12:09:24

#	User	Runtime	Language	Date
1	Ludwig Hedeby	0.02 s	C#	2016-10-09 07:56:36
2	Ugnius Skučas	0.02 s	C#	2016-10-16 12:17:19
3	Hidden user	0.02 s	C#	2017-01-21 19:00:58
4	Marek	0.02 s	C#	2017-07-25 15:14:01
5	Andrzej Krajniak	0.02 s	C#	2017-07-25 15:17:57
6	Michael Snyder	0.02 s	C#	2017-09-14 22:51:19
7	Peter Bohunský	0.02 s	C#	2017-11-15 19:37:10
8	Faisal Rahman	0.02 s	C#	2018-02-12 17:03:44
9	Doug Goodman	0.02 s	C#	2018-03-09 22:52:18
10	Johan Pettersson	0.02 s	C#	2018-04-26 19:27:44

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-09-10 14:07:42

#	User	Runtime	Language	Date
1	Ade Hendra	0.00 s	Go	2023-11-26 01:30:22
2	Mukhlas Rosyadi	0.00 s	Go	2023-11-26 15:29:29
3	Dunk Dude	0.00 s	Go	2023-11-28 12:05:54
4	Husain Satan	0.00 s	Go	2023-11-30 02:53:20
5	Jimmy Nejtron	0.00 s	Go	2025-01-10 12:15:05
6	Shiliang Tong	0.02 s	Go	2023-04-01 19:54:14
7	Dick Appel	0.08 s	Go	2020-05-26 15:21:56
8	Krzysztof Gibuła	0.08 s	Go	2021-04-17 22:06:13
9	Norbert Voelker	0.08 s	Go	2021-04-21 15:03:58

#	User	Runtime	Language	Date
1	emy	0.04 s	Java	2024-09-20 05:05:28
2	Harpa Jóhannsdóttir	0.04 s	Java	2024-10-15 22:52:12
3	Julius Griebel	0.04 s	Java	2024-11-01 13:31:04
4	Mladen	0.04 s	Java	2025-09-20 06:56:43
5	Micah Stairs	0.05 s	Java	2016-07-09 04:04:25
6	Hidden user	0.05 s	Java	2016-08-01 03:05:55
7	Omar Brome	0.05 s	Java	2016-08-04 19:52:59
8	Nick Wu	0.05 s	Java	2016-08-15 01:29:28
9	Hidden user	0.05 s	Java	2016-08-31 21:19:44
10	Hidden user	0.05 s	Java	2016-09-13 18:03:03

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-21 21:06:24
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-27 23:08:22
3	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-04-27 16:21:05
4	Hidden user	0.08 s	JavaScript (Node.js)	2022-07-09 14:15:38
5	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-20 14:59:26
6	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-03 18:40:00
7	Nicklas Østerberg	0.42 s	JavaScript (Node.js)	2022-03-03 10:55:03
8	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-12 08:31:03

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-07-10 18:58:21
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-26 15:48:36
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-11 07:58:27
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-09 20:49:30
5	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-01-31 23:57:58
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-15 14:27:23

#	User	Runtime	Language	Date
1	Timothy Gaede	0.86 s	Julia	2024-03-27 06:28:08

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-05-04 19:53:17
2	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 19:17:50
3	Benjamin Ye	0.18 s	Kotlin	2023-01-11 20:59:02
4	Bradley Richards	0.18 s	Kotlin	2023-03-07 15:05:59
5	Lam Gia Thuan	0.19 s	Kotlin	2017-10-31 22:36:23
6	Hidden user	0.19 s	Kotlin	2017-11-14 11:18:32
7	Magnus Wass	0.19 s	Kotlin	2020-12-27 01:17:52
8	Sergey Jakobsen	0.19 s	Kotlin	2021-08-18 10:49:41
9	Sam Keyser	0.19 s	Kotlin	2023-05-03 15:48:16
10	Adam Rankin	0.19 s	Kotlin	2023-05-05 22:04:20

#	User	Runtime	Language	Date
1	Sander de Haan	0.00 s	Lua	2025-05-08 13:10:05

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Nim	2025-11-07 08:55:20

#	User	Runtime	Language	Date
1	Luke Vandevoorde	0.00 s	OCaml	2023-01-18 22:08:21
2	Evan Magill	0.00 s	OCaml	2023-11-03 15:40:17

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-30 21:43:00

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-07 12:50:24

#	User	Runtime	Language	Date
1	Connor Billings	0.01 s	PHP	2020-01-02 15:06:20
2	Renate	0.01 s	PHP	2021-07-03 22:46:20
3	Andre Wahyudi	0.01 s	PHP	2023-03-16 02:51:36
4	Dian	0.01 s	PHP	2023-11-28 01:34:52

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-12-30 16:05:40

#	User	Runtime	Language	Date
1	Bernhard Kartefla	0.02 s	Python 2	2016-09-20 12:54:26
2	Caroline Borg	0.02 s	Python 2	2017-07-17 13:49:11
3	John Verwolf	0.02 s	Python 2	2017-09-19 02:34:35
4	Mees de Vries	0.02 s	Python 2	2017-09-28 18:49:19
5	Tomas Alvarez	0.02 s	Python 2	2017-10-30 23:56:23
6	Martin Wan	0.02 s	Python 2	2017-11-17 01:38:09
7	Eliza Shoemaker	0.02 s	Python 2	2018-02-13 21:46:58
8	Rafael Rivas	0.02 s	Python 2	2018-02-14 05:32:43
9	Hidden user	0.02 s	Python 2	2018-03-29 07:53:46
10	Aarnav Srinivasan	0.02 s	Python 2	2022-07-05 17:12:23

#	User	Runtime	Language	Date
1	Wayne	0.02 s	Python 3	2016-07-11 09:59:08
2	Patrik Lilja	0.02 s	Python 3	2016-08-07 14:51:29
3	Hidden user	0.02 s	Python 3	2016-08-20 16:32:36
4	Noah Weninger	0.02 s	Python 3	2016-09-09 21:59:16
5	Sartaglo	0.02 s	Python 3	2016-09-09 22:07:36
6	Frederic Sauve-Hoover	0.02 s	Python 3	2016-09-09 22:07:52
7	Fredrik Wixenius	0.02 s	Python 3	2016-09-13 16:41:12
8	Hidden user	0.02 s	Python 3	2016-09-14 20:44:06
9	Christian Lindeström	0.02 s	Python 3	2016-09-18 18:46:18
10	Christopher Clouse	0.02 s	Python 3	2016-10-01 02:05:27

#	User	Runtime	Language	Date
1	André Danielsson	0.03 s	Ruby	2016-09-13 18:01:07
2	John Bowers	0.03 s	Ruby	2018-02-13 21:37:01
3	Ivy Wang	0.06 s	Ruby	2023-01-10 22:06:18
4	Thomas Feld	0.06 s	Ruby	2023-02-28 09:57:39

#	User	Length	Language	Date
1	Matzuka	478	APL	2025-05-03 12:25:29

#	User	Length	Language	Date
1	PhilCampbell	467	C	2021-01-10 15:30:21
2	Mirel Cosulschi	557	C	2024-10-17 21:25:36
3	Milosz Wielondek	579	C	2016-09-16 16:58:00
4	Michael Richardson	581	C	2023-02-27 23:37:02
5	Allan Nouri	632	C	2025-05-07 20:27:39
6	Matthew Weston	724	C	2022-01-23 13:55:12
7	紅茶	772	C	2023-08-29 07:47:34
8	Fred Arnold	797	C	2020-03-16 00:26:27
9	Sivert Fjeldstad Madsen	803	C	2022-09-14 09:46:18
10	Jeviczki Jane	822	C	2025-11-28 16:43:07

#	User	Length	Language	Date
1	Gregory Sinclair	359	C#	2023-11-02 18:50:22
2	Esty Crow	593	C#	2025-05-09 11:34:54
3	clarence chen	616	C#	2025-05-09 17:51:11
4	Armin Krauss	761	C#	2018-11-11 10:49:22
5	Doug Goodman	786	C#	2018-03-09 22:52:18
6	Thomas Norris	872	C#	2019-10-01 17:00:36
7	Ugnius Skučas	918	C#	2016-10-16 12:17:19
8	Göran Andersson	931	C#	2022-05-15 00:10:53
9	Peter Bohunský	934	C#	2017-11-15 19:37:10
10	Renata Magaña Ramírez de Arellano	999	C#	2023-02-28 04:37:34

#	User	Length	Language	Date
1	Anvit Sinha	244	C++	2023-02-16 21:03:00
2	William Gan	287	C++	2017-08-15 05:15:25
3	Aidan Smith	308	C++	2018-02-06 01:48:53
4	Anshuman Dash	309	C++	2023-01-12 02:23:49
5	Emmanuel Anaya	317	C++	2020-10-26 20:40:43
6	陳善元	318	C++	2023-05-10 06:15:43
7	Antonio Molina Lovett	321	C++	2016-08-11 08:39:08
8	Mohammad Sadeghi	333	C++	2019-07-19 04:32:47
9	huang ian	339	C++	2025-12-13 03:10:17
10	Clement Oh	346	C++	2023-06-13 08:22:25

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	862	F#	2022-09-10 14:07:42

#	User	Length	Language	Date
1	Krzysztof Gibuła	505	Go	2021-04-17 22:06:13
2	Dunk Dude	827	Go	2023-11-28 12:05:54
3	Shiliang Tong	904	Go	2023-04-01 19:54:14
4	Norbert Voelker	989	Go	2021-04-21 15:03:58
5	Dick Appel	1030	Go	2020-05-26 15:21:56
6	Husain Satan	1193	Go	2023-11-30 02:53:20
7	Jimmy Nejtron	1235	Go	2025-01-10 12:15:05
8	Mukhlas Rosyadi	1272	Go	2023-11-26 15:29:29
9	Ade Hendra	2400	Go	2023-11-26 01:30:22

#	User	Length	Language	Date
1	Håkon Flatval	410	Haskell	2018-08-31 23:29:54
2	Mark Lekkerkerker	462	Haskell	2020-05-26 14:32:09
3	Niklas Rosén	476	Haskell	2017-01-31 20:49:31
4	Sebastian Banert	479	Haskell	2023-10-25 12:43:10
5	Matthew Johnson	489	Haskell	2018-03-03 05:17:09
6	Hidden user	504	Haskell	2019-08-23 17:12:55
7	Gustaf Pihl	505	Haskell	2016-09-16 01:40:51
8	Llaurence Git	557	Haskell	2018-11-09 09:41:17
9	Hidden user	565	Haskell	2025-04-05 11:15:59
10	Jan Hrček	582	Haskell	2020-11-01 07:08:59

#	User	Length	Language	Date
1	John Hershey	519	Java	2023-11-02 16:56:49
2	Song Xiangming	533	Java	2018-01-13 07:25:52
3	Janne Selkälä	536	Java	2016-09-16 20:49:47
4	Kevin Flynn	537	Java	2018-11-27 14:38:37
5	Trevor Harness	545	Java	2018-01-08 19:13:14
6	Weiyi Zhang	553	Java	2018-01-13 08:36:08
7	Dev Singh	557	Java	2018-01-11 01:33:07
8	Thomas Anung Basuki	561	Java	2025-08-20 01:46:22
9	Mathew Lewis	566	Java	2018-01-10 07:10:39
10	Danial Motamedi Mehr	572	Java	2020-03-09 18:49:45

#	User	Length	Language	Date
1	Chris Wong	653	JavaScript (Node.js)	2021-02-20 14:59:26
2	Hovhannes Kantuni	662	JavaScript (Node.js)	2021-03-03 18:40:00
3	Hidden user	772	JavaScript (Node.js)	2024-08-21 21:06:24
4	Nicklas Østerberg	947	JavaScript (Node.js)	2022-03-03 10:55:03
5	Andoko Chandra	951	JavaScript (Node.js)	2020-10-12 08:31:03
6	Hidden user	1026	JavaScript (Node.js)	2022-07-09 14:15:38
7	Gurpartap Singh Bhatti	1260	JavaScript (Node.js)	2019-04-27 16:21:05
8	Carl Sundvall	1563	JavaScript (Node.js)	2018-10-27 23:08:22

#	User	Length	Language	Date
1	Jimmy Gustafsson	158	JavaScript (SpiderMonkey)	2024-07-09 20:49:30
2	Peter Kedemo	311	JavaScript (SpiderMonkey)	2016-07-10 18:58:21
3	Bjørn Chr. Soltvedt	315	JavaScript (SpiderMonkey)	2016-07-26 15:48:36
4	Peter Menyes	400	JavaScript (SpiderMonkey)	2021-08-15 14:27:23
5	Christian Pilegaard Cederquist	457	JavaScript (SpiderMonkey)	2023-01-11 07:58:27
6	Zach Tschetter	469	JavaScript (SpiderMonkey)	2025-01-31 23:57:58

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

#	User	Length	Language	Date
1	Hidden user	418	Kotlin	2017-11-14 11:18:32
2	Magnus Wass	443	Kotlin	2020-12-27 01:17:52
3	Emil Wihlander	559	Kotlin	2023-07-25 21:14:30
4	Stephen Atwood	563	Kotlin	2024-08-30 17:37:23
5	Dayan Ruben Gonzalez	595	Kotlin	2020-09-28 19:17:50
6	Troy Warmboe	597	Kotlin	2023-04-11 14:45:38
7	Chris Johnson	617	Kotlin	2025-04-05 15:08:15
8	Sergey Jakobsen	618	Kotlin	2021-08-18 10:49:41
9	Benjamin Ye	627	Kotlin	2023-01-11 20:59:02
10	Lam Gia Thuan	634	Kotlin	2017-10-31 22:36:23

#	User	Length	Language	Date
1	Sander de Haan	493	Lua	2025-05-08 13:10:05

#	User	Length	Language	Date
1	Hidden user	834	Nim	2025-11-07 08:55:20

#	User	Length	Language	Date
1	Evan Magill	642	OCaml	2023-11-03 15:40:17
2	Luke Vandevoorde	693	OCaml	2023-01-18 22:08:21

#	User	Length	Language	Date
1	Hidden user	669	Odin	2025-04-30 21:43:00

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1410	Pascal	2018-03-07 12:50:24

#	User	Length	Language	Date
1	Dian	476	PHP	2023-11-28 01:34:52
2	Renate	501	PHP	2021-07-03 22:46:20
3	Connor Billings	643	PHP	2020-01-02 15:06:20
4	Andre Wahyudi	976	PHP	2023-03-16 02:51:36

#	User	Length	Language	Date
1	Andriy Zyevakov	797	Prolog	2016-12-30 16:05:40

#	User	Length	Language	Date
1	Thomas Feld	181	Python 2	2019-08-26 09:08:53
2	Oskar Larsson	203	Python 2	2019-04-17 14:47:24
3	James Bang	231	Python 2	2020-11-08 23:14:24
4	Emma Nimstad	237	Python 2	2016-09-13 16:16:14
5	Nicholas Joaquin	256	Python 2	2018-01-09 17:02:38
6	Johan Wind	256	Python 2	2018-03-20 17:17:42
7	Andreas Björklund	256	Python 2	2019-05-15 19:00:18
8	Sigurður Jens Albertsson	259	Python 2	2020-06-07 17:10:40
9	Haggai Liu	260	Python 2	2017-01-27 07:12:27
10	Lars Åström	266	Python 2	2019-09-16 14:43:05

#	User	Length	Language	Date
1	Per-Ivar Faust	117	Python 3	2023-11-02 19:36:29
2	Shashank Bhatt	125	Python 3	2024-07-23 03:39:04
3	Thomas Draper	138	Python 3	2023-08-01 23:10:34
4	Kévin Dubrulle	139	Python 3	2024-10-23 09:10:04
5	Anshuman Dash	142	Python 3	2023-01-12 02:12:47
6	Simon Baeckelant	147	Python 3	2024-12-02 08:22:35
7	Harry Crane	150	Python 3	2025-10-15 13:58:21
8	Kelly Dance	152	Python 3	2025-05-27 06:37:43
9	Ahmed Chamseddine	153	Python 3	2024-07-15 09:48:41
10	Morten Clausen	155	Python 3	2022-10-22 00:00:20

#	User	Length	Language	Date
1	Thomas Feld	86	Ruby	2023-02-28 09:57:39
2	André Danielsson	209	Ruby	2016-09-13 18:01:07
3	Ivy Wang	267	Ruby	2023-01-10 22:06:18
4	John Bowers	288	Ruby	2018-02-13 21:37:01

#	User	Length	Language	Date
1	Vincent Lagerros	523	Rust	2025-02-03 10:38:14
2	Artur Khuziakhmetov	608	Rust	2025-01-25 07:42:50
3	David Zacek	721	Rust	2021-05-30 18:23:58
4	Emil Dichmann	788	Rust	2025-08-25 19:46:30
5	Kok Dith	896	Rust	2021-08-12 01:38:10
6	Nathaniel Risum	934	Rust	2025-10-14 11:58:06
7	Bas Dirks	948	Rust	2022-01-04 15:24:54
8	Pankajkumar Patro	983	Rust	2024-12-03 23:04:10
9	Jianghua Wang	1018	Rust	2023-01-10 06:36:06
10	Morrow	1021	Rust	2020-04-22 05:16:02

Solution running time distribution