Problem D
Knigs of the Forest — Problem Statistics

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Submissions	11902
Accepted submissions	2768
Submission ratio	23.26%
Authors	2183
Full solves [?]	1778
Full solve Ratio	81.45%

#	User	Runtime	Language	Date
1	Johan Larsson	0.02 s	C	2022-06-13 03:45:03
2	Ivan Petrov	0.03 s	C	2019-07-17 13:06:49
3	Goutham Dabbara	0.04 s	C	2020-12-15 03:56:33
4	pengin	0.04 s	C	2021-05-18 10:35:58
5	Melker Forsberg	0.05 s	C	2023-06-14 03:28:46
6	Hidden user	0.06 s	C	2018-06-08 08:46:50
7	Mirel Cosulschi	0.07 s	C	2022-11-14 15:51:02
8	Solomon Tikabo	0.08 s	C	2025-02-10 12:19:35

#	User	Runtime	Language	Date
1	Jim Zheng	0.01 s	C++	2020-08-26 19:51:44
2	Michael Wu	0.01 s	C++	2024-05-08 02:03:11
3	Roger Chen	0.02 s	C++	2021-08-10 02:26:37
4	Harrison Shen	0.02 s	C++	2021-09-24 23:48:56
5	Agis Daniels	0.02 s	C++	2022-01-16 18:38:37
6	Arvid Jonasson	0.02 s	C++	2025-06-14 02:10:57
7	Hidden user	0.03 s	C++	2018-07-11 20:08:03
8	Mok Bing Wei Maurice	0.03 s	C++	2019-10-25 09:24:31
9	Hidden user	0.03 s	C++	2020-08-07 16:26:04
10	Frank Endriss	0.03 s	C++	2021-03-12 11:49:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.13 s	Go	2023-11-15 14:27:58
2	Ola Dahl	0.24 s	Go	2023-02-18 18:53:26

#	User	Runtime	Language	Date
1	Tan Yi Long	0.06 s	Java	2025-08-16 17:45:58
2	James Tang	0.10 s	Java	2020-10-02 01:15:58
3	Bjørn Dons	0.18 s	Java	2018-10-23 05:09:51
4	Caleb Ahn	0.18 s	Java	2021-09-29 21:03:18
5	Abdullah Aldalaan	0.19 s	Java	2020-07-06 18:17:19
6	Mahdi Bu Ali	0.19 s	Java	2021-02-24 00:56:09
7	Lakouam Issam	0.20 s	Java	2018-09-26 16:52:55
8	Aniket Kumar Gupta	0.20 s	Java	2020-10-04 18:35:27
9	Jeegn Dani	0.20 s	Java	2020-10-04 18:39:51
10	Bhavey Jain	0.20 s	Java	2021-09-28 20:47:42

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.16 s	JavaScript (SpiderMonkey)	2022-06-09 22:38:16
2	Håkan Lindahl	0.26 s	JavaScript (SpiderMonkey)	2022-06-14 23:38:07
3	Christian Pilegaard Cederquist	0.41 s	JavaScript (SpiderMonkey)	2023-07-01 05:12:01

#	User	Runtime	Language	Date
1	Hidden user	0.62 s	Julia	2025-03-09 19:09:41

#	User	Runtime	Language	Date
1	Jacob Huebner	0.50 s	Kotlin	2020-03-11 11:50:19
2	Eric Sjöström	0.60 s	Kotlin	2023-06-11 17:39:08
3	Johnny Baloney	0.62 s	Kotlin	2022-01-12 20:53:15
4	Adam Rankin	0.63 s	Kotlin	2023-09-14 05:44:59
5	Benjamin Ye	0.72 s	Kotlin	2023-02-12 18:43:23
6	Hidden user	0.74 s	Kotlin	2020-02-15 13:56:04
7	Robert M	0.84 s	Kotlin	2023-03-04 12:43:48
8	Phường Lên	0.92 s	Kotlin	2020-03-21 22:56:59
9	Adam Koprowski	0.94 s	Kotlin	2020-09-07 17:57:22

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Python 2	2017-09-23 11:11:47
2	Christofer Ohlsson	0.22 s	Python 2	2017-09-23 19:51:44
3	Frederik Højholt	0.22 s	Python 2	2017-10-06 13:44:50
4	Maj Stenmark	0.27 s	Python 2	2018-08-17 15:35:38
5	Måns Magnusson	0.42 s	Python 2	2018-10-22 18:51:34
6	Andreas Björklund	0.43 s	Python 2	2019-05-05 11:55:16
7	Oskar Haarklou Veileborg	0.66 s	Python 2	2017-10-06 12:36:45
8	Øyvind Haarberg	0.69 s	Python 2	2018-09-26 10:56:42
9	Hermon Mulat	0.74 s	Python 2	2019-12-27 03:24:06
10	Goutham Dabbara	0.74 s	Python 2	2020-12-15 04:01:40

#	User	Runtime	Language	Date
1	Petr	0.07 s	Python 3	2025-07-08 23:46:45
2	Avery	0.09 s	Python 3	2025-07-29 00:47:08
3	Robin Fumei	0.13 s	Python 3	2022-06-15 12:15:10
4	Nicolai Eliassen	0.13 s	Python 3	2023-08-26 20:25:14
5	Michael Yang	0.13 s	Python 3	2024-04-19 04:00:29
6	Zahid Hasan	0.16 s	Python 3	2025-09-20 04:44:53
7	Erik Buis	0.18 s	Python 3	2022-03-20 13:49:22
8	Hidden user	0.18 s	Python 3	2023-06-14 11:09:25
9	Zhang Haochen	0.18 s	Python 3	2024-04-03 05:57:33
10	Floris Cnossen	0.19 s	Python 3	2022-04-14 21:48:50

#	User	Runtime	Language	Date
1	Thomas Feld	0.32 s	Ruby	2025-11-04 14:34:45

#	User	Runtime	Language	Date
1	Logan Detrick	0.01 s	Rust	2024-04-26 06:33:18
2	Vincent Lagerros	0.01 s	Rust	2025-02-15 02:15:27
3	Melker Forsberg	0.03 s	Rust	2023-06-12 16:13:16
4	Peter Johan Flått-Bjørnstad	0.03 s	Rust	2023-08-26 15:49:35
5	Hidden user	0.03 s	Rust	2025-03-06 18:48:01
6	Joe Blower	0.03 s	Rust	2025-12-24 17:31:23
7	Klas af Geijerstam	0.04 s	Rust	2020-03-01 10:45:20
8	Raphaël Gauthier	0.04 s	Rust	2021-02-24 18:38:10
9	Jørn Lode	0.04 s	Rust	2022-10-05 14:47:12
10	Egor Kulikov	0.04 s	Rust	2025-02-05 10:27:34

#	User	Length	Language	Date
1	Ivan Petrov	490	C	2019-07-17 13:06:49
2	Goutham Dabbara	515	C	2020-12-15 03:56:33
3	pengin	674	C	2021-05-18 10:35:58
4	Hidden user	1218	C	2018-06-08 08:46:50
5	Johan Larsson	1913	C	2022-06-13 03:45:03
6	Mirel Cosulschi	1952	C	2022-11-14 15:51:02
7	Solomon Tikabo	2710	C	2025-02-10 12:56:59
8	Melker Forsberg	2786	C	2023-06-14 15:03:21

#	User	Length	Language	Date
1	Modak Shantanu Bharat	529	C++	2019-10-23 02:23:26
2	Ben Wu	536	C++	2021-08-06 09:50:18
3	Reyno Tilikaynen	553	C++	2017-10-10 00:22:58
4	Hidden user	554	C++	2020-05-19 08:22:31
5	Mugeon Kim	555	C++	2024-03-10 05:34:28
6	Prakhar Gandhi	556	C++	2023-06-10 03:51:08
7	Lav Radosavljevic	557	C++	2017-09-23 12:10:35
8	Daniel Brännvall	557	C++	2023-06-11 16:51:07
9	Leonid Cuklev	577	C++	2024-05-02 17:31:55
10	Andreas Alberg	591	C++	2022-02-17 15:53:36

#	User	Length	Language	Date
1	Ola Dahl	3056	Go	2023-02-18 18:53:26
2	Norbert Voelker	4429	Go	2023-11-15 14:32:36

#	User	Length	Language	Date
1	Yeung Man Tsung	641	Java	2022-07-18 13:31:59
2	Ernest Ng Zi Xuan	1074	Java	2024-09-15 00:41:01
3	Suhas T. Nagar	1123	Java	2022-05-24 21:03:50
4	Doug Goodman	1189	Java	2018-01-28 15:26:29
5	Brett Fazio	1193	Java	2019-01-03 21:05:30
6	Steven Halim	1202	Java	2024-08-07 04:15:19
7	Abdelrahman Mokbel	1224	Java	2022-10-03 05:46:59
8	Ng Jian An	1236	Java	2024-09-16 05:42:50
9	Duncan Page	1253	Java	2019-09-09 22:13:44
10	Burek Čevap	1265	Java	2019-02-10 15:18:52

#	User	Length	Language	Date
1	Jimmy Gustafsson	583	JavaScript (SpiderMonkey)	2022-06-09 22:38:16
2	Håkan Lindahl	2200	JavaScript (SpiderMonkey)	2022-06-14 23:38:07
3	Christian Pilegaard Cederquist	3906	JavaScript (SpiderMonkey)	2023-07-01 05:12:01

#	User	Length	Language	Date
1	Hidden user	238	Julia	2025-03-09 19:19:54

#	User	Length	Language	Date
1	Benjamin Ye	744	Kotlin	2023-02-12 18:43:23
2	Robert M	889	Kotlin	2023-03-04 12:43:48
3	Adam Koprowski	977	Kotlin	2020-09-07 17:57:22
4	Johnny Baloney	1026	Kotlin	2022-01-12 20:41:56
5	Jacob Huebner	1079	Kotlin	2020-03-11 11:50:19
6	Adam Rankin	1116	Kotlin	2023-09-14 05:44:59
7	Eric Sjöström	1123	Kotlin	2023-06-11 17:39:08
8	Hidden user	1480	Kotlin	2020-02-15 13:56:04
9	Phường Lên	3391	Kotlin	2020-03-21 22:56:59

#	User	Length	Language	Date
1	Andreas Björklund	515	Python 2	2019-05-05 11:55:16
2	Måns Magnusson	527	Python 2	2018-10-22 18:51:34
3	Hidden user	584	Python 2	2017-09-23 10:57:07
4	Oskar Haarklou Veileborg	588	Python 2	2017-10-06 12:32:45
5	Maj Stenmark	598	Python 2	2018-08-17 15:35:38
6	Casper Rysgaard	631	Python 2	2021-04-21 10:23:22
7	Hidden user	683	Python 2	2019-07-19 10:38:03
8	Christofer Ohlsson	685	Python 2	2017-09-23 19:51:44
9	Frederik Højholt	693	Python 2	2017-10-06 13:44:50
10	Hermon Mulat	734	Python 2	2019-12-27 03:24:06

#	User	Length	Language	Date
1	Avery	166	Python 3	2025-07-25 19:53:33
2	Michael Wu	169	Python 3	2024-04-23 02:01:34
3	Simon Hellsten	209	Python 3	2023-07-11 10:44:48
4	Yong Mao	224	Python 3	2023-06-10 01:17:51
5	Michael Goldwasser	247	Python 3	2025-09-18 21:46:08
6	Zac Friggstad	299	Python 3	2025-09-23 14:05:32
7	Thibault Raffaillac	344	Python 3	2020-02-24 20:33:01
8	Joshua Ben Halim	351	Python 3	2020-10-31 08:35:24
9	Paul Swingle	376	Python 3	2023-06-24 17:40:43
10	Ng Hua Yu	385	Python 3	2024-04-02 17:44:05

#	User	Length	Language	Date
1	Thomas Feld	160	Ruby	2025-11-04 14:55:50

#	User	Length	Language	Date
1	Logan Detrick	801	Rust	2024-05-07 02:18:41
2	Raphaël Gauthier	1148	Rust	2021-02-24 18:56:25
3	Hidden user	1329	Rust	2025-03-06 18:48:01
4	Thomas Hügel	1335	Rust	2020-12-29 12:51:39
5	Oskar Lindén	1455	Rust	2022-06-11 11:14:26
6	Kalle Vigren	1584	Rust	2024-05-19 20:32:35
7	Melker Forsberg	1727	Rust	2023-06-12 16:13:16
8	Eric Källman	1876	Rust	2025-06-19 06:10:34
9	Marcus Persson	1949	Rust	2025-06-19 03:43:49
10	Reis Faar	2079	Rust	2023-08-23 04:43:04

Solution running time distribution