Problem D
Ptice — Problem Statistics

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Submissions	7125
Accepted submissions	4086
Submission ratio	57.35%
Authors	3917
Accepted authors	3723
Author ratio	95.05%

#	User	Runtime	Language	Date
1	Yuwono Bangun Nagoro	0.02 s	C#	2016-03-23 14:00:16
2	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-28 22:08:20
3	Marius Urbelis	0.02 s	C#	2016-05-02 09:30:54
4	Ali Rashidi	0.02 s	C#	2016-05-03 17:01:10
5	Quinn Pommerening	0.02 s	C#	2016-05-06 21:09:08
6	Duelene Olson	0.02 s	C#	2016-05-18 21:38:34
7	Pontus Magnusson	0.02 s	C#	2016-05-26 14:23:11
8	Faisal Rahman	0.02 s	C#	2016-06-06 11:41:57
9	Patrick Sjöö	0.02 s	C#	2016-06-10 21:23:42
10	Robert Low	0.02 s	C#	2016-07-12 14:33:56

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-09-13 07:15:10

#	User	Runtime	Language	Date
1	Adrian Bay Dorph	0.02 s	F#	2022-02-02 23:32:28
2	Jacob Harris Cryer Kragh	0.05 s	F#	2022-07-05 19:25:35
3	Patrick Bahr	0.06 s	F#	2021-02-17 20:44:26

#	User	Runtime	Language	Date
1	Oliver Ruste Jahren	0.00 s	Go	2023-05-24 19:03:12
2	Sergey Jakobsen	0.00 s	Go	2023-05-24 19:59:19
3	Jimmy Nejtron	0.00 s	Go	2023-09-20 15:38:49
4	Husain Satan	0.00 s	Go	2023-12-27 05:45:04
5	Ross O'Sullivan	0.07 s	Go	2018-08-18 18:24:40
6	Joshua Gerber	0.07 s	Go	2018-09-14 21:37:05
7	Hidden user	0.07 s	Go	2018-10-09 21:00:32
8	Krzysztof Gibuła	0.07 s	Go	2019-02-26 00:31:28
9	Norbert Voelker	0.07 s	Go	2021-04-10 00:30:32
10	Paul Boddington	0.08 s	Go	2016-05-17 19:44:39

#	User	Runtime	Language	Date
1	Cambrien Malenko	0.04 s	Java	2024-10-08 21:38:41
2	Taras Romanyuk	0.04 s	Java	2024-12-08 22:10:23
3	CUX "INDIO" PRADA	0.04 s	Java	2024-12-22 20:38:51
4	Erik Odenman	0.05 s	Java	2011-04-28 17:34:03
5	Terrence Park	0.05 s	Java	2016-03-22 19:05:04
6	Nick Wu	0.05 s	Java	2016-03-22 23:47:30
7	Marek Matejka	0.05 s	Java	2016-03-26 12:31:34
8	Yordan Yordanov	0.05 s	Java	2016-03-26 13:23:51
9	Stasiek Abyszkin	0.05 s	Java	2016-03-26 13:34:31
10	Hidden user	0.05 s	Java	2016-03-26 16:44:59

#	User	Runtime	Language	Date
1	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-11-12 13:46:27
2	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-29 02:37:18
3	Hidden user	0.40 s	JavaScript (Node.js)	2019-07-09 14:00:35
4	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-02 22:54:29
5	Nicolae Bumbu	0.42 s	JavaScript (Node.js)	2020-01-16 16:52:59
6	John	0.42 s	JavaScript (Node.js)	2020-08-07 07:36:56
7	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-07 15:21:43
8	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2020-10-17 06:08:59
9	Cleyton Muto	0.42 s	JavaScript (Node.js)	2020-11-27 02:39:41
10	Jesus Kvistus	0.42 s	JavaScript (Node.js)	2020-12-10 12:28:07

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-03-23 02:46:07
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-02 00:46:50
3	J M	0.01 s	JavaScript (SpiderMonkey)	2016-10-16 03:48:26
4	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-10-31 14:42:07
5	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-06-17 02:31:43
6	Michael Hjortholt	0.01 s	JavaScript (SpiderMonkey)	2017-07-11 13:30:19
7	Peter Menyes	0.01 s	JavaScript (SpiderMonkey)	2017-08-04 23:02:41
8	Davíð Helgason	0.01 s	JavaScript (SpiderMonkey)	2017-08-07 21:16:35
9	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-12-24 16:10:23
10	Robin Livesey	0.01 s	JavaScript (SpiderMonkey)	2018-04-15 18:59:55

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-03-24 02:16:03
2	Danny Robinson	0.76 s	Julia	2023-09-02 08:47:23

#	User	Runtime	Language	Date
1	Emil Eriksmoen Stensland	0.15 s	Kotlin	2021-02-06 14:50:45
2	Kelly Dance	0.15 s	Kotlin	2022-09-17 22:26:27
3	Alexandre Conte	0.16 s	Kotlin	2020-09-15 00:52:22
4	Hidden user	0.17 s	Kotlin	2021-04-28 17:38:53
5	Jahid Hasan Imon	0.18 s	Kotlin	2020-05-10 13:52:13
6	Magnus Wass	0.18 s	Kotlin	2020-12-16 01:25:58
7	Adam Rankin	0.18 s	Kotlin	2023-05-08 05:08:02
8	Dmitry Shostak	0.20 s	Kotlin	2018-08-21 12:46:17
9	Neil Harmon	0.20 s	Kotlin	2019-04-04 12:22:52
10	Albert Pala	0.20 s	Kotlin	2021-07-05 12:07:29

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-08-18 13:51:32
2	Ingemar Ragnemalm	0.00 s	Pascal	2018-02-16 18:43:36

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-23 09:59:17

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	PHP	2016-06-01 01:05:42
2	Silvena Lam	0.01 s	PHP	2017-07-04 19:42:31
3	Salvis	0.01 s	PHP	2019-01-29 15:45:23
4	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-09-15 13:27:03
5	Peter Kvick	0.01 s	PHP	2020-02-05 02:52:25
6	Petr Trofimov	0.01 s	PHP	2021-04-28 11:53:27
7	Vahe Gevorgyan	0.01 s	PHP	2021-04-28 12:36:10
8	Renate	0.01 s	PHP	2021-04-29 10:03:42
9	陳建宏	0.01 s	PHP	2021-06-16 18:53:51
10	Andre Wahyudi	0.01 s	PHP	2022-10-25 07:12:53

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-05-06 06:33:37
2	Andriy Zyevakov	0.01 s	Prolog	2019-05-27 20:30:31
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-01 10:25:20

#	User	Runtime	Language	Date
1	Asger Hautop Drewsen	0.02 s	Python 2	2016-04-06 00:46:30
2	Martin Sundin	0.02 s	Python 2	2016-04-13 11:37:30
3	Scott Handelman	0.02 s	Python 2	2016-04-15 04:27:46
4	Matas Kairaitis	0.02 s	Python 2	2016-04-29 22:50:14
5	Urban Pettersson	0.02 s	Python 2	2016-05-21 18:36:09
6	Erik Sillén	0.02 s	Python 2	2016-05-23 09:04:59
7	Hidden user	0.02 s	Python 2	2016-07-27 14:34:42
8	Joey Chan	0.02 s	Python 2	2016-08-05 05:12:23
9	Johan Wind	0.02 s	Python 2	2016-08-10 18:32:44
10	Marcus Johansson	0.02 s	Python 2	2016-08-12 21:29:48

#	User	Runtime	Language	Date
1	Robert Welin-Berger	0.02 s	Python 3	2016-03-22 18:56:38
2	Arnar Bjarni Arnarson	0.02 s	Python 3	2016-03-23 18:21:21
3	Wayne	0.02 s	Python 3	2016-03-29 11:00:32
4	Bernhard Kartefla	0.02 s	Python 3	2016-04-03 22:32:19
5	Óðinn Eyjólfsson	0.02 s	Python 3	2016-04-05 19:32:32
6	Ivar Flakstad	0.02 s	Python 3	2016-04-06 11:04:58
7	Clint Nieuwendijk	0.02 s	Python 3	2016-04-07 10:00:31
8	Bjarki Stefánsson	0.02 s	Python 3	2016-04-08 16:23:45
9	Nicoletta Krstic	0.02 s	Python 3	2016-04-15 22:22:55
10	Jure Srabotnik	0.02 s	Python 3	2016-04-19 23:27:46

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.22 s	Racket	2025-01-30 06:53:10

#	User	Runtime	Language	Date
1	Gerry Hall	0.03 s	Ruby	2016-03-25 08:04:35
2	Casper Christensen	0.03 s	Ruby	2016-03-28 22:23:10
3	Lasse Berglund	0.03 s	Ruby	2016-04-08 11:13:17
4	Wade Westfall	0.03 s	Ruby	2016-04-14 19:48:54
5	Yaman Shiekh Deia	0.03 s	Ruby	2016-05-15 00:29:07
6	Kellen Watt	0.03 s	Ruby	2016-06-04 03:39:10
7	Erik Rydbert	0.03 s	Ruby	2016-07-04 13:23:09
8	Clifford Owino	0.03 s	Ruby	2017-05-24 08:02:26
9	Paul Vinell	0.03 s	Ruby	2018-04-04 10:54:48
10	Jason Cheong-Kee-You	0.04 s	Ruby	2018-05-30 04:11:21

#	User	Length	Language	Date
1	Martin Blom	289	C	2023-10-17 13:07:09
2	Ehsan Shoja	502	C	2018-06-20 05:32:54
3	Ximun Castoreo	521	C	2020-07-03 12:13:36
4	Hidden user	537	C	2016-05-31 09:35:07
5	Sujan Roy	590	C	2020-04-29 08:21:37
6	Daniel Worsnup	624	C	2016-04-27 02:28:15
7	Donikon Fajar	664	C	2018-11-07 14:50:42
8	Matthew Weston	665	C	2022-01-03 22:07:00
9	Anton Haglund	693	C	2016-11-18 23:15:44
10	Seth Carter	697	C	2017-11-27 07:16:41

#	User	Length	Language	Date
1	Göran Andersson	704	C#	2022-05-10 11:29:19
2	Esty Crow	790	C#	2023-10-28 07:50:58
3	Jørgen Drejer Thomassen	907	C#	2023-01-03 15:06:27
4	María José López Sánchez	942	C#	2023-04-23 17:33:56
5	Lucía María Alvarez Sánchez	942	C#	2023-05-24 21:30:30
6	Cristian Quesada Cossio	943	C#	2025-01-12 00:36:33
7	Thomas Norris	959	C#	2019-06-20 06:52:11
8	John Ladera	973	C#	2018-04-04 06:01:13
9	Siddhi Kulkarni	973	C#	2021-02-15 21:34:39
10	Gergo Csonka	973	C#	2021-02-22 00:27:11

#	User	Length	Language	Date
1	Antonio Molina Lovett	402	C++	2016-08-05 11:13:20
2	Fajar Yuda Apriliano	434	C++	2018-10-11 14:48:41
3	黃子昕	434	C++	2021-12-08 17:14:43
4	Subramanian Ramasamy	436	C++	2022-09-01 17:08:37
5	Yeung Man Tsung	441	C++	2022-11-20 08:45:35
6	Hidden user	465	C++	2020-02-22 22:07:46
7	Javier del Río	468	C++	2023-08-16 18:51:46
8	丁凱惶	468	C++	2024-03-01 02:32:26
9	Nishan Tamng	473	C++	2018-02-11 10:41:07
10	shahidullah mahmudi	486	C++	2024-02-14 10:11:59

#	User	Length	Language	Date
1	David Cawthon	958	Common Lisp	2020-09-13 07:15:10

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	863	F#	2022-07-05 19:25:35
2	Adrian Bay Dorph	1303	F#	2022-02-02 23:32:28
3	Patrick Bahr	2324	F#	2021-02-17 20:44:26

#	User	Length	Language	Date
1	Sergey Jakobsen	573	Go	2023-05-24 20:01:10
2	Oliver Ruste Jahren	603	Go	2023-05-24 19:44:09
3	Paul Boddington	621	Go	2016-05-17 19:44:39
4	Badr Kamel	732	Go	2021-05-11 17:25:35
5	Hidden user	748	Go	2018-10-09 21:00:32
6	Hidden user	755	Go	2016-05-25 19:13:36
7	Stanislau Karaban	793	Go	2021-05-05 09:04:36
8	Mirja Johnsson	890	Go	2017-04-21 17:32:22
9	Joshua Gerber	901	Go	2018-09-14 21:37:05
10	Norbert Voelker	941	Go	2021-04-10 00:30:32

#	User	Length	Language	Date
1	Eoin Davey	372	Haskell	2017-09-08 03:02:17
2	Hidden user	376	Haskell	2019-08-11 22:13:27
3	Steinar Simonnes	390	Haskell	2024-01-16 13:58:43
4	Carl Agrell	397	Haskell	2016-09-28 17:37:12
5	Hidden user	429	Haskell	2016-07-24 22:04:47
6	Sebastian Banert	438	Haskell	2023-04-22 23:09:59
7	David Zacek	473	Haskell	2021-05-03 22:40:20
8	Lars Tveito	500	Haskell	2016-05-20 02:46:13
9	Kristoffer Andersen	507	Haskell	2016-06-29 16:36:09
10	Hidden user	513	Haskell	2025-04-05 16:33:57

#	User	Length	Language	Date
1	Jeremy Rutter	596	Java	2021-08-28 20:48:14
2	Hidden user	639	Java	2020-12-28 14:13:22
3	Lim Ting Kai	653	Java	2023-06-09 09:23:19
4	Aman Babu	668	Java	2021-07-03 21:41:40
5	Romayssae el	681	Java	2019-12-29 17:15:09
6	ouafae messaoudi	696	Java	2020-01-01 12:41:43
7	Samuel Klingström	697	Java	2017-03-02 22:54:54
8	Ali Pervaiz	709	Java	2019-03-20 16:24:50
9	Rachel Zarin	711	Java	2020-02-24 14:47:35
10	Hidden user	719	Java	2018-01-05 07:37:20

#	User	Length	Language	Date
1	Chris Wong	988	JavaScript (Node.js)	2021-02-02 22:54:29
2	Hidden user	1154	JavaScript (Node.js)	2023-08-12 17:48:56
3	Andoko Chandra	1248	JavaScript (Node.js)	2020-10-07 15:21:43
4	John	1254	JavaScript (Node.js)	2020-08-07 07:36:56
5	Cleyton Muto	1601	JavaScript (Node.js)	2020-11-27 02:39:41
6	Carl Sundvall	1689	JavaScript (Node.js)	2018-11-12 13:46:27
7	Hovhannes Kantuni	1699	JavaScript (Node.js)	2020-10-17 06:08:59
8	Howard Tin Chi Chan	1703	JavaScript (Node.js)	2021-02-07 10:44:48
9	Hidden user	1901	JavaScript (Node.js)	2019-07-09 14:00:35
10	Jesus Kvistus	2213	JavaScript (Node.js)	2020-12-10 12:28:07

#	User	Length	Language	Date
1	Jimmy Gustafsson	232	JavaScript (SpiderMonkey)	2024-06-13 23:43:15
2	Evan Magill	298	JavaScript (SpiderMonkey)	2024-04-19 02:28:34
3	Johannes Jensen	487	JavaScript (SpiderMonkey)	2020-12-03 22:39:35
4	Bernard Perrin	540	JavaScript (SpiderMonkey)	2019-06-05 19:13:31
5	J M	558	JavaScript (SpiderMonkey)	2016-10-16 03:48:26
6	Peter Kedemo	571	JavaScript (SpiderMonkey)	2016-04-02 00:46:50
7	Ali Ber	575	JavaScript (SpiderMonkey)	2019-12-28 17:10:07
8	Christian Cederquist	635	JavaScript (SpiderMonkey)	2022-11-10 23:53:44
9	Zach Tschetter	655	JavaScript (SpiderMonkey)	2023-06-08 20:53:56
10	Davíð Helgason	658	JavaScript (SpiderMonkey)	2017-08-07 21:16:35

#	User	Length	Language	Date
1	Danny Robinson	185	Julia	2023-09-02 08:47:23
2	Timothy Gaede	1153	Julia	2024-03-24 02:16:03

#	User	Length	Language	Date
1	Albert Pala	500	Kotlin	2021-07-05 12:07:29
2	Magnus Wass	512	Kotlin	2020-12-16 01:25:58
3	Hidden user	533	Kotlin	2021-04-28 17:49:32
4	Kelly Dance	613	Kotlin	2022-09-17 22:26:27
5	Dayan Ruben Gonzalez	703	Kotlin	2020-10-11 03:04:32
6	Alexandre Conte	786	Kotlin	2020-09-15 00:52:22
7	Jahid Hasan Imon	804	Kotlin	2020-05-10 13:52:13
8	Troy Warmboe	829	Kotlin	2020-02-08 15:44:12
9	Timo Schikhof	841	Kotlin	2022-04-21 22:45:03
10	Emil Eriksmoen Stensland	886	Kotlin	2021-02-06 14:50:45

#	User	Length	Language	Date
1	Ingemar Ragnemalm	583	Pascal	2018-02-16 18:43:36
2	David Connolly	1016	Pascal	2017-08-18 13:51:32

#	User	Length	Language	Date
1	Saito Ta	216	Perl	2024-04-23 09:59:17

#	User	Length	Language	Date
1	Vahe Gevorgyan	641	PHP	2021-04-28 12:36:10
2	Petr Trofimov	743	PHP	2021-04-28 11:53:27
3	Peter Kvick	846	PHP	2020-02-05 02:52:25
4	Silvena Lam	1042	PHP	2017-07-04 19:42:31
5	Hidden user	1072	PHP	2016-06-01 01:05:42
6	Renate	1138	PHP	2021-04-29 10:03:42
7	Jonas Lindenskov Nielsen	1297	PHP	2019-09-15 13:27:03
8	Salvis	1486	PHP	2019-01-29 15:45:23
9	陳建宏	1710	PHP	2021-06-16 18:53:51
10	Andre Wahyudi	1733	PHP	2022-10-25 07:12:53

#	User	Length	Language	Date
1	Hakan Kjellerstrand	759	Prolog	2023-02-01 10:25:20
2	Andriy Zyevakov	789	Prolog	2019-05-27 20:30:31
3	Hadi Qovaizi	6338	Prolog	2016-05-06 06:33:37

#	User	Length	Language	Date
1	Thomas Feld	219	Python 2	2019-08-19 15:24:21
2	Johan Wind	299	Python 2	2016-08-10 18:32:44
3	Jesper Öqvist	304	Python 2	2018-10-19 17:18:54
4	Asger Hautop Drewsen	308	Python 2	2016-04-06 00:46:30
5	Muzakhir Amanzholov	316	Python 2	2017-01-26 22:15:04
6	Haggai Liu	317	Python 2	2017-01-06 06:17:40
7	Conor McCauley	320	Python 2	2019-03-21 05:41:19
8	Andreas Björklund	326	Python 2	2019-08-24 15:29:33
9	Justin Su	332	Python 2	2017-09-19 08:42:57
10	Guan Yang Ze	344	Python 2	2019-08-20 05:26:25

#	User	Length	Language	Date
1	Kevin Gomez	153	Python 3	2024-06-10 20:52:18
2	Zhe Ning Chin	168	Python 3	2024-10-11 20:38:51
3	Benjamin Z White	172	Python 3	2023-04-18 22:08:12
4	Harry Zhang	176	Python 3	2022-11-21 23:12:51
5	Michael Yu	178	Python 3	2022-11-21 23:17:48
6	Mikael Häglund	182	Python 3	2022-11-21 22:27:40
7	Nguyên Khôi Đỗ	186	Python 3	2024-12-28 07:48:39
8	Thomas Feld	186	Python 3	2022-11-07 11:57:21
9	Kévin Dubrulle	195	Python 3	2024-11-22 19:10:16
10	Ahmed Chamseddine	197	Python 3	2024-03-22 00:19:14

#	User	Length	Language	Date
1	Jinwoo Lee	970	Racket	2025-01-30 06:53:10

#	User	Length	Language	Date
1	Thomas Feld	158	Ruby	2023-05-04 13:14:50
2	Hidden user	374	Ruby	2019-03-20 11:55:03
3	Casper Christensen	380	Ruby	2016-03-28 22:23:10
4	Gerry Hall	391	Ruby	2016-03-25 08:04:35
5	Kellen Watt	398	Ruby	2016-06-04 03:39:10
6	Jason Cheong-Kee-You	409	Ruby	2018-05-30 04:11:21
7	Hidden user	439	Ruby	2018-10-04 16:06:43
8	Macdara mac an tSionnaigh	487	Ruby	2019-10-05 02:56:04
9	Clifford Owino	541	Ruby	2017-05-24 08:02:26
10	Pratham Patel	549	Ruby	2025-02-19 17:35:46

#	User	Length	Language	Date
1	Vincent Lagerros	310	Rust	2024-12-09 03:39:12
2	Artur Khuziakhmetov	534	Rust	2023-08-10 11:06:02
3	Thomas	940	Rust	2020-12-11 22:00:23
4	Hidden user	950	Rust	2018-11-05 20:57:12
5	Hidden user	962	Rust	2023-04-29 23:25:39
6	Chaoyi Yin	979	Rust	2019-04-01 20:13:39
7	Pankajkumar Patro	981	Rust	2024-10-25 16:08:12
8	Benny Mackney	1049	Rust	2021-04-27 17:20:32
9	Albert Rise Nielsen	1143	Rust	2020-10-15 00:06:30
10	Oisín Mac Fhearaí	1145	Rust	2021-05-16 00:37:47

Solution running time distribution