Problem K
Flying Safely — Problem Statistics

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Submissions	5367
Accepted submissions	3333
Submission ratio	62.10%
Authors	2648
Accepted authors	2504
Author ratio	94.56%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.04	Ada	2024-06-27 23:14:56

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.11	Bash	2024-06-04 15:45:35

#	User	Runtime	Language	Date
1	Blake Lasky	0	C	2016-11-10 13:42:14
2	Cian Ruane	0	C	2017-08-28 18:58:55
3	Maria Jeffina Setiawan	0	C	2018-06-21 07:13:49
4	Qi Ji	0	C	2018-07-16 16:16:21
5	Bergur Snorrason	0	C	2019-02-25 08:22:00
6	Eyleifur Bjarkason	0	C	2019-02-26 14:39:36
7	Þórður Agust	0	C	2019-03-05 15:03:52
8	Hidden user	0.01	C	2017-11-13 04:10:41
9	John Khoo	0.01	C	2019-03-20 02:13:42
10	PhilCampbell	0.01	C	2021-01-14 17:44:05

#	User	Runtime	Language	Date
1	Robert Low	0.04	C#	2016-07-28 10:11:59
2	Martijn den Hoedt	0.04	C#	2017-08-31 18:46:29
3	Gert Jan Sterrenburg	0.04	C#	2017-08-31 18:51:34
4	Yuri van Berkum	0.04	C#	2017-08-31 18:56:21
5	Erik van Holland	0.04	C#	2017-08-31 19:20:56
6	Tjibbe van der Veen	0.04	C#	2017-08-31 20:18:45
7	Kunwei Zhang	0.04	C#	2018-06-07 15:46:41
8	Kasper Kristoffersen	0.04	C#	2018-06-16 15:07:34
9	Eric Bäckhage	0.04	C#	2019-02-18 21:16:13
10	Liam Percy	0.04	C#	2019-03-02 05:40:55

#	User	Runtime	Language	Date
1	Mads Jespersen	0.07	F#	2020-02-29 18:43:49

#	User	Runtime	Language	Date
1	Alejandro Germain	0.02	Go	2018-10-10 13:30:20
2	Sindhu vannemreddy	0.02	Go	2021-01-01 19:29:07
3	Krzysztof Gibuła	0.08	Go	2021-04-15 21:20:46
4	Norbert Voelker	0.09	Go	2021-04-20 00:40:57
5	Sander Hellesø	0.12	Go	2019-03-13 02:26:06
6	Magnus C.F. Krøyer	0.33	Go	2019-10-01 11:42:11

#	User	Runtime	Language	Date
1	Wilfried van Asten	0.02	Haskell	2015-12-05 01:02:19
2	Jonathan Goodman	0.02	Haskell	2018-04-26 03:59:49
3	Hidden user	0.02	Haskell	2023-01-17 03:06:52
4	Steinar Simonnes	0.02	Haskell	2024-01-31 09:24:10
5	Johan Meier	0.03	Haskell	2016-12-28 00:21:39
6	Matthew Johnson	0.03	Haskell	2018-02-28 06:46:18
7	Håkon Flatval	0.03	Haskell	2018-08-20 15:26:40
8	Stefan Kennedy	0.04	Haskell	2018-07-31 20:03:37
9	Hannah Dougherty	0.04	Haskell	2019-05-05 21:48:42
10	Hidden user	0.04	Haskell	2019-08-22 17:54:33

#	User	Runtime	Language	Date
1	William Fiset	0.07	Java	2016-08-02 01:28:04
2	Jiang Qin Hua	0.07	Java	2018-07-24 04:58:40
3	Niu Xinyuan	0.07	Java	2018-07-24 05:01:55
4	Sven Rönnbäck	0.07	Java	2022-12-21 19:48:16
5	Lee Heng Sheng	0.07	Java	2024-05-12 15:45:54
6	Jan Štola	0.08	Java	2015-06-08 22:07:43
7	Mehdi Ichou	0.08	Java	2017-04-13 01:01:49
8	Wu Zhen Rong	0.08	Java	2018-07-06 07:17:22
9	Mouad Naciri	0.08	Java	2018-12-06 21:29:36
10	Matthew Garrison	0.1	Java	2017-06-08 04:52:53

#	User	Runtime	Language	Date
1	Hidden user	0.14	JavaScript (Node.js)	2019-03-06 16:35:08
2	John	0.16	JavaScript (Node.js)	2022-08-17 05:45:03
3	Philippe Haavik	0.16	JavaScript (Node.js)	2022-11-10 10:51:48
4	Chris Wong	0.47	JavaScript (Node.js)	2021-02-08 21:02:54
5	Andoko Chandra	0.82	JavaScript (Node.js)	2020-10-10 10:07:44

#	User	Runtime	Language	Date
1	Michael Laszlo	0.04	JavaScript (SpiderMonkey)	2016-10-09 04:56:51
2	Paul Leung	0.04	JavaScript (SpiderMonkey)	2017-05-16 16:11:39
3	Peter Kedemo	0.04	JavaScript (SpiderMonkey)	2017-07-28 09:32:10
4	Robin Livesey	0.04	JavaScript (SpiderMonkey)	2018-04-26 08:20:35
5	Bjørn Chr. Soltvedt	0.04	JavaScript (SpiderMonkey)	2018-06-11 05:34:40
6	Jimmy Gustafsson	0.05	JavaScript (SpiderMonkey)	2024-07-08 21:52:01
7	Zach Tschetter	0.13	JavaScript (SpiderMonkey)	2023-04-14 22:49:00
8	Christian Cederquist	0.29	JavaScript (SpiderMonkey)	2023-01-01 13:36:23

#	User	Runtime	Language	Date
1	Jacob Huebner	0.24	Kotlin	2022-03-08 00:49:18
2	Adam Rankin	0.3	Kotlin	2023-05-05 23:19:39
3	Hidden user	0.41	Kotlin	2021-04-29 17:23:27
4	Sergey Jakobsen	0.41	Kotlin	2021-11-11 14:24:22
5	Dan Church	0.45	Kotlin	2023-03-13 19:52:57
6	Nick Ivanov	0.49	Kotlin	2018-03-07 05:20:27
7	Einar Kjellback	0.49	Kotlin	2019-12-03 14:36:00
8	Rasmus Ros	0.49	Kotlin	2019-12-27 22:43:56
9	Dayan Ruben Gonzalez	0.65	Kotlin	2020-10-02 04:17:44
10	Ahmed Waseem Saeed	0.94	Kotlin	2021-12-19 01:46:58

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01	Pascal	2018-03-02 10:47:56

#	User	Runtime	Language	Date
1	Renate	0.04	PHP	2021-11-17 00:55:19
2	Andre Wahyudi	0.65	PHP	2023-03-17 02:48:08

#	User	Runtime	Language	Date
1	Ben Stutzman	0.03	Python 3	2018-11-04 23:23:57
2	Jón Friðriksson	0.03	Python 3	2019-03-03 21:15:13
3	Bryan Wong Wei Heng	0.03	Python 3	2019-12-07 08:21:56
4	Brenten Canfield	0.04	Python 3	2018-12-21 22:33:25
5	Roger Bongers	0.04	Python 3	2019-02-02 18:20:13
6	Andrew Groeneveldt	0.04	Python 3	2019-03-26 01:49:59
7	Subramanian Ramasamy	0.04	Python 3	2019-07-07 17:50:31
8	Emil Riis Hansen	0.04	Python 3	2019-10-12 19:16:34
9	Charley Sheaffer	0.04	Python 3	2019-11-24 14:52:50
10	Mads Pedersen	0.04	Python 3	2019-11-26 13:55:37

#	User	Runtime	Language	Date
1	Love Engman	0.05	Ruby	2017-04-09 17:22:54
2	Mehdi Maick	0.06	Ruby	2016-08-13 15:10:44
3	Hidden user	0.08	Ruby	2019-03-01 15:36:16
4	Chenzhang Hu	0.09	Ruby	2024-06-04 15:45:48
5	Thomas Feld	0.1	Ruby	2022-11-14 14:49:42
6	Lim Ming Yean	0.15	Ruby	2018-11-23 14:47:28
7	Jan Schill	0.27	Ruby	2019-11-05 10:46:36

#	User	Runtime	Language	Date
1	Chaoyi Yin	0.01	Rust	2019-03-29 18:40:52
2	Magnus Jacobsen	0.01	Rust	2019-09-03 17:06:10
3	Pahlevi Fikri Auliya	0.01	Rust	2020-11-08 11:45:14
4	Marcel Rød	0.01	Rust	2021-02-09 21:17:29
5	Bas Dirks	0.01	Rust	2022-01-15 15:08:42
6	Isak Jägberg	0.01	Rust	2023-04-24 10:03:51
7	Jonathan Choi	0.01	Rust	2024-03-15 17:11:28
8	Martin Simensen	0.02	Rust	2019-05-13 17:07:24
9	David Rasch	0.02	Rust	2019-09-11 14:47:03
10	Lucas Falch Sørensen	0.02	Rust	2021-01-29 17:19:45

#	User	Length	Language	Date
1	Sebastian Banert	354	Ada	2024-06-27 23:14:56

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-06-04 15:45:35

#	User	Length	Language	Date
1	Duarte Nóbrega	193	C	2018-12-22 15:56:59
2	Josenildo Silva	204	C	2017-05-07 01:17:12
3	Qi Ji	231	C	2018-07-16 16:16:21
4	Yassin Mechbal	232	C	2018-12-07 13:17:34
5	Emil Wihlander	232	C	2020-11-30 16:00:10
6	Massimo Meneghello	234	C	2018-12-31 16:36:43
7	Sambit Palit	234	C	2020-10-14 18:22:36
8	oscar Melin	244	C	2019-07-27 15:58:28
9	Andrew Roberts	247	C	2017-09-19 02:08:28
10	Cian Ruane	255	C	2017-08-28 18:58:55

#	User	Length	Language	Date
1	Kunwei Zhang	355	C#	2018-06-07 15:46:41
2	Eric Bäckhage	495	C#	2019-02-18 21:16:13
3	Martijn den Hoedt	501	C#	2017-08-31 18:46:29
4	Thomas Norris	567	C#	2020-11-14 22:44:35
5	Yuri van Berkum	585	C#	2017-08-31 18:56:21
6	Eric Weiss	591	C#	2022-08-22 15:49:20
7	Benjamin Bilbeau	602	C#	2024-06-17 03:06:48
8	Davi Ajmaya	608	C#	2018-06-10 11:02:21
9	Kasper Kristoffersen	616	C#	2018-06-16 15:07:34
10	Robert Low	656	C#	2016-07-28 10:11:59

#	User	Length	Language	Date
1	MELLAL	182	C++	2018-12-07 18:13:41
2	Helgi Sigtryggsson	183	C++	2019-03-05 01:23:41
3	Duarte Nóbrega	187	C++	2018-12-22 15:54:42
4	Mohammad Sadeghi	188	C++	2019-07-13 12:24:39
5	Scott MacIntosh	189	C++	2020-05-19 05:30:46
6	黃太陽	190	C++	2022-07-27 11:58:14
7	Noah Gergel	195	C++	2019-04-06 06:53:35
8	Amrani Nejjar Omar	198	C++	2017-07-16 21:27:03
9	Chen Chao	199	C++	2019-03-19 06:31:47
10	Emmanuel Anaya	199	C++	2020-10-22 06:50:50

#	User	Length	Language	Date
1	Mads Jespersen	591	F#	2020-02-29 18:43:49

#	User	Length	Language	Date
1	Alejandro Germain	438	Go	2018-10-10 13:30:20
2	Sindhu vannemreddy	448	Go	2021-01-01 19:29:07
3	Krzysztof Gibuła	562	Go	2021-04-15 21:20:46
4	Magnus C.F. Krøyer	677	Go	2019-10-01 11:42:11
5	Sander Hellesø	1160	Go	2019-03-13 02:26:06
6	Norbert Voelker	4404	Go	2021-04-20 00:40:57

#	User	Length	Language	Date
1	Matthew Johnson	213	Haskell	2018-02-28 06:51:45
2	Steinar Simonnes	228	Haskell	2024-01-31 09:24:10
3	Hidden user	233	Haskell	2023-01-17 03:06:52
4	Johan Meier	257	Haskell	2016-12-28 00:21:39
5	Jonathan Goodman	292	Haskell	2018-04-26 03:59:49
6	Jan Hrček	303	Haskell	2020-11-03 22:13:41
7	Håkon Flatval	324	Haskell	2018-08-20 15:26:40
8	Hidden user	412	Haskell	2019-08-22 17:54:33
9	Hannah Dougherty	413	Haskell	2019-05-05 21:48:42
10	Stefan Kennedy	415	Haskell	2018-07-31 20:03:37

#	User	Length	Language	Date
1	Doug Goodman	325	Java	2017-11-28 17:06:30
2	Marco Calandro	328	Java	2018-12-06 23:18:34
3	Destiny S Mhishi	341	Java	2016-03-28 19:52:03
4	Albert Wang	355	Java	2020-01-23 21:30:46
5	Prakash Sanyasi	359	Java	2018-10-14 08:49:06
6	Eshan Ramesh	365	Java	2018-09-07 03:59:32
7	Ian Gonzalez	366	Java	2020-06-02 22:32:52
8	Kevin Kauffman	367	Java	2021-12-29 05:07:07
9	Xun Su	372	Java	2016-11-12 01:09:33
10	Ruichao Zhang	374	Java	2016-11-12 00:54:26

#	User	Length	Language	Date
1	Philippe Haavik	483	JavaScript (Node.js)	2022-11-10 10:51:48
2	Hidden user	531	JavaScript (Node.js)	2019-03-06 16:35:08
3	John	791	JavaScript (Node.js)	2022-08-17 05:45:03
4	Andoko Chandra	815	JavaScript (Node.js)	2020-10-10 10:07:44
5	Chris Wong	1337	JavaScript (Node.js)	2021-02-08 21:02:54

#	User	Length	Language	Date
1	Jimmy Gustafsson	75	JavaScript (SpiderMonkey)	2024-07-08 21:52:01
2	Bjørn Chr. Soltvedt	177	JavaScript (SpiderMonkey)	2018-06-11 05:34:40
3	Paul Leung	229	JavaScript (SpiderMonkey)	2017-05-16 16:11:39
4	Peter Kedemo	261	JavaScript (SpiderMonkey)	2017-07-28 09:32:10
5	Robin Livesey	283	JavaScript (SpiderMonkey)	2018-04-26 08:20:35
6	Zach Tschetter	337	JavaScript (SpiderMonkey)	2023-04-14 22:49:00
7	Michael Laszlo	657	JavaScript (SpiderMonkey)	2016-10-09 04:56:51
8	Christian Cederquist	2921	JavaScript (SpiderMonkey)	2023-01-01 13:36:23

#	User	Length	Language	Date
1	Rasmus Ros	196	Kotlin	2019-12-27 22:43:56
2	Adam Rankin	205	Kotlin	2023-05-05 23:19:39
3	Hidden user	228	Kotlin	2021-04-29 17:23:27
4	Sergey Jakobsen	230	Kotlin	2021-11-11 14:24:22
5	Einar Kjellback	249	Kotlin	2019-12-03 14:36:00
6	Dan Church	257	Kotlin	2023-03-13 19:52:57
7	Nick Ivanov	434	Kotlin	2018-03-07 05:20:27
8	Dayan Ruben Gonzalez	880	Kotlin	2020-10-02 04:17:44
9	Jacob Huebner	1074	Kotlin	2022-03-08 00:49:18
10	Ahmed Waseem Saeed	1344	Kotlin	2021-12-19 01:46:58

#	User	Length	Language	Date
1	Ingemar Ragnemalm	302	Pascal	2018-03-02 10:46:37

#	User	Length	Language	Date
1	Renate	390	PHP	2021-11-17 00:55:19
2	Andre Wahyudi	1529	PHP	2023-03-17 02:48:08

#	User	Length	Language	Date
1	Benjamin Z White	75	Python 3	2023-05-17 16:47:04
2	Clement Oh	75	Python 3	2023-05-25 20:34:38
3	Harry Zhang	80	Python 3	2023-04-15 09:05:03
4	Charles Ancheta	80	Python 3	2023-04-09 08:14:15
5	Guk Yi Siong	83	Python 3	2023-06-13 15:47:56
6	Thomas Draper	85	Python 3	2023-06-15 17:54:12
7	Lawry Sorenson	89	Python 3	2023-08-12 18:14:57
8	Morten Clausen	91	Python 3	2022-10-21 15:49:55
9	Brimar Ólafsson	94	Python 3	2024-03-03 22:10:58
10	Pelle Danasten	95	Python 3	2023-04-16 17:17:37

#	User	Length	Language	Date
1	Chenzhang Hu	50	Ruby	2024-06-04 15:45:48
2	Thomas Feld	50	Ruby	2023-01-03 08:47:28
3	Hidden user	77	Ruby	2019-03-01 15:36:16
4	Lim Ming Yean	137	Ruby	2018-11-23 14:47:28
5	Mehdi Maick	139	Ruby	2016-08-13 15:10:44
6	Love Engman	172	Ruby	2017-04-09 17:22:54
7	Jan Schill	305	Ruby	2019-11-05 10:46:36

#	User	Length	Language	Date
1	Bas Dirks	453	Rust	2022-01-15 15:08:42
2	Marcel Rød	497	Rust	2021-02-09 21:18:28
3	David Zacek	517	Rust	2021-06-01 19:39:31
4	Sherman Chann Zhi Shen	532	Rust	2021-10-17 04:04:20
5	Chaoyi Yin	553	Rust	2019-03-29 18:40:52
6	Magnus Jacobsen	658	Rust	2019-09-03 17:06:10
7	Lucas Falch Sørensen	714	Rust	2021-01-29 17:19:45
8	Isak Jägberg	743	Rust	2023-04-24 10:03:51
9	Martin Simensen	819	Rust	2019-05-13 17:07:24
10	Eric Pinter	917	Rust	2021-07-14 04:58:50

Solution running time distribution