Problem D
Doorman — Problem Statistics

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Submissions	4804
Accepted submissions	2357
Submission ratio	49.06%
Authors	2255
Accepted authors	2021
Author ratio	89.62%

#	User	Runtime	Language	Date
1	Onur Bıyık	0.02 s	C#	2013-09-30 17:30:54
2	Tomasz Masternak	0.02 s	C#	2013-09-30 21:46:38
3	Thomas Heder	0.02 s	C#	2013-10-02 08:52:59
4	Stefan Pedersen	0.02 s	C#	2013-10-02 13:28:45
5	Emil Drozdowski	0.02 s	C#	2013-10-04 11:29:38
6	Ernesto Soberanes	0.02 s	C#	2013-10-04 22:27:32
7	Jakubowski Wojtek	0.02 s	C#	2013-10-04 23:40:35
8	Bryan Shiffman	0.02 s	C#	2013-10-05 03:05:33
9	Jonathan Lotridge	0.02 s	C#	2013-10-05 05:12:22
10	Ivan Joukov	0.02 s	C#	2013-10-05 05:32:07

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-10-15 10:11:58

#	User	Runtime	Language	Date
1	James Robb	0.01 s	Go	2020-05-15 16:01:21
2	Jinwoo Lee	0.02 s	Go	2018-12-25 20:39:16
3	Felicia Chen-She	0.02 s	Go	2022-09-26 00:50:41
4	Luis Henrique Pauleti Mendes	0.02 s	Go	2022-11-25 15:25:52
5	Krzysztof Gibuła	0.07 s	Go	2019-01-20 13:00:26
6	Milosz Wielondek	0.08 s	Go	2013-10-04 22:33:03
7	Jonas Hedin	0.08 s	Go	2015-02-26 19:24:03
8	James Robb	0.08 s	Go	2020-05-15 16:06:13
9	Norbert Voelker	0.08 s	Go	2021-05-15 14:04:06

#	User	Runtime	Language	Date
1	Daniel Aarao Reis Arturi	0.04 s	Java	2024-09-12 03:58:14
2	Martin Vonheim Larsen	0.05 s	Java	2013-09-19 13:13:14
3	Johan Bjärneryd	0.05 s	Java	2013-10-02 11:04:45
4	Hans Gylling	0.05 s	Java	2013-10-03 22:57:19
5	Paul Grigoras	0.05 s	Java	2013-10-04 11:37:14
6	Jean Niklas L'orange	0.05 s	Java	2013-10-04 15:58:11
7	Hidden user	0.05 s	Java	2014-02-17 00:42:55
8	Lasse Berglund	0.05 s	Java	2014-03-01 15:16:36
9	The Phuong Phung	0.05 s	Java	2014-03-31 11:44:46
10	Viktor Lindberg	0.05 s	Java	2014-08-30 02:09:39

#	User	Runtime	Language	Date
1	Stephanie Keck	0.42 s	JavaScript (Node.js)	2020-01-30 08:25:40
2	Shinno K	0.42 s	JavaScript (Node.js)	2020-02-25 03:38:10
3	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-30 17:22:56

#	User	Runtime	Language	Date
1	Markus Nilssen	0.01 s	JavaScript (SpiderMonkey)	2015-09-20 14:50:54
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-09 17:43:07
3	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-02-28 16:16:05
4	Adam Murphy	0.01 s	JavaScript (SpiderMonkey)	2016-03-24 03:54:17
5	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-08-08 19:30:29
6	Paul Leung	0.01 s	JavaScript (SpiderMonkey)	2017-03-09 19:25:07
7	Nah Yi Feng	0.01 s	JavaScript (SpiderMonkey)	2017-10-30 09:28:59
8	Andrea Bianchessi	0.01 s	JavaScript (SpiderMonkey)	2017-11-15 22:47:49
9	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2017-12-27 08:12:42
10	Zachary DeStefano	0.01 s	JavaScript (SpiderMonkey)	2018-02-21 16:58:09

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.13 s	Kotlin	2021-02-25 02:12:23
2	Roger Bongers	0.14 s	Kotlin	2021-06-27 16:16:56
3	Dayan Ruben Gonzalez	0.18 s	Kotlin	2020-10-03 22:33:08
4	Aniket Kumar	0.18 s	Kotlin	2024-05-01 17:15:34
5	Neil Harmon	0.19 s	Kotlin	2019-09-03 09:37:19
6	Adam Rankin	0.19 s	Kotlin	2023-04-25 23:48:10
7	Phường Lên	0.20 s	Kotlin	2020-01-23 05:13:12
8	Hidden user	0.21 s	Kotlin	2020-02-25 12:44:14

#	User	Runtime	Language	Date
1	Joseph Chau	0.00 s	Lua	2024-01-26 23:10:52
2	Caleb Austin	0.00 s	Lua	2024-08-30 23:05:10

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-12 18:12:56

#	User	Runtime	Language	Date
1	Henry Kiame	0.01 s	PHP	2019-07-15 11:03:31

#	User	Runtime	Language	Date
1	Alvin Stockhaus	0.02 s	Python 3	2013-10-03 09:29:08
2	Jan Liu	0.02 s	Python 3	2013-10-04 12:20:01
3	Alex Loiko	0.02 s	Python 3	2013-10-04 13:22:33
4	Joshua Vowles	0.02 s	Python 3	2013-10-04 18:14:56
5	Brian Harrington	0.02 s	Python 3	2014-08-29 04:38:04
6	Xincheng Zhang	0.02 s	Python 3	2014-09-20 19:28:55
7	Changyu Bi	0.02 s	Python 3	2014-09-25 03:55:39
8	Shiqi Xiao	0.02 s	Python 3	2014-09-26 22:25:48
9	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	Python 3	2014-09-30 22:45:18
10	Hidden user	0.02 s	Python 3	2014-10-12 09:26:29

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-05-11 11:50:13
2	Henry Xia	0.03 s	Ruby	2018-02-22 20:47:23
3	Ajai Nelson	0.05 s	Ruby	2022-02-19 20:34:45
4	Thomas Feld	0.05 s	Ruby	2023-03-15 10:53:22

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-05-30 12:55:00
2	Bas Dirks	0.00 s	Rust	2022-03-13 14:57:04
3	Hugo Lindström	0.00 s	Rust	2022-04-01 13:13:13
4	Eric Pinter	0.00 s	Rust	2022-05-15 17:05:52
5	Hidden user	0.00 s	Rust	2023-10-13 21:43:02
6	chuanhao01	0.00 s	Rust	2024-04-07 17:44:03
7	Louis Bouchard	0.00 s	Rust	2024-09-16 02:12:06
8	Daniel Anker Hermansen	0.00 s	Rust	2024-10-03 20:19:08
9	Vincent Lagerros	0.00 s	Rust	2024-10-12 19:58:20

#	User	Length	Language	Date
1	Ivan Petrov	341	C	2019-03-29 15:59:28
2	Dan Kral	361	C	2013-10-02 00:19:08
3	Hidden user	474	C	2022-12-02 09:17:52
4	Ravi Shankar Reddy Kanakaveeti	522	C	2015-09-15 23:06:01
5	Julian Duniec	526	C	2023-09-22 13:11:33
6	Seth Carter	528	C	2017-12-02 00:54:37
7	Jeroen Bransen	562	C	2013-10-01 13:51:11
8	Mark Froilan Tandoc	569	C	2016-02-03 13:17:56
9	Viet Anh Ho	569	C	2016-04-28 14:00:52
10	Ruben Spaans	572	C	2013-09-28 21:36:51

#	User	Length	Language	Date
1	Stefan Pedersen	600	C#	2013-10-02 13:28:45
2	Владимир Хилько	711	C#	2020-02-07 13:45:08
3	Göran Andersson	838	C#	2022-05-26 18:11:42
4	Саттар Имамов	846	C#	2017-11-02 20:25:32
5	Rasmus Brants	876	C#	2017-03-27 09:20:03
6	Leslie Yip	941	C#	2022-09-17 05:19:29
7	Bo Bergelin	949	C#	2017-03-15 21:01:30
8	Tommy Ivarsson	963	C#	2015-04-17 11:02:41
9	Andriy Zyevakov	1023	C#	2015-10-26 21:03:10
10	Hidden user	1079	C#	2018-01-29 18:28:47

#	User	Length	Language	Date
1	Frederick Pek	293	C++	2021-06-28 13:05:53
2	Naufal Aziz	301	C++	2017-01-18 08:54:31
3	Ke Bi	313	C++	2017-09-30 11:33:09
4	Olli Pasanen	317	C++	2017-09-30 11:42:51
5	Ekjot Billing	344	C++	2017-09-20 06:59:07
6	Johan Wind	346	C++	2014-08-29 18:35:54
7	Tigran	363	C++	2021-12-07 19:46:43
8	James Jaya	370	C++	2015-09-12 14:23:19
9	Simone Moretti	370	C++	2021-10-27 15:22:55
10	SIBO PENG	375	C++	2024-06-02 23:11:07

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1658	F#	2022-10-15 10:11:58

#	User	Length	Language	Date
1	Jonas Hedin	477	Go	2015-02-26 19:24:03
2	Jinwoo Lee	683	Go	2018-12-25 20:39:16
3	Milosz Wielondek	865	Go	2013-10-04 22:33:03
4	Krzysztof Gibuła	907	Go	2019-01-20 13:00:26
5	Norbert Voelker	1125	Go	2021-05-15 14:04:06
6	James Robb	1660	Go	2020-05-15 16:06:13
7	James Robb	1719	Go	2020-05-15 16:01:21
8	Felicia Chen-She	2540	Go	2022-09-26 00:50:41
9	Luis Henrique Pauleti Mendes	2756	Go	2022-11-25 15:25:52

#	User	Length	Language	Date
1	Steinar Simonnes	488	Haskell	2024-02-05 08:09:08
2	Lars Tveito	551	Haskell	2015-07-02 03:46:47
3	Aivan Carson	565	Haskell	2018-07-25 19:18:30
4	Claes Gustafsson	587	Haskell	2017-05-19 22:44:23
5	Jan Hlavacek	603	Haskell	2017-02-15 04:06:11
6	Matthew Johnson	632	Haskell	2017-01-06 17:22:47
7	John Grzechowiak	669	Haskell	2017-03-06 00:00:33
8	Hidden user	673	Haskell	2023-08-17 12:52:03
9	Håkon Flatval	707	Haskell	2017-12-18 13:48:32
10	Rudy Matela	736	Haskell	2024-03-17 16:41:31

#	User	Length	Language	Date
1	Romayssae el	405	Java	2019-12-29 16:39:02
2	Wijdane el amri	405	Java	2019-12-29 16:45:29
3	Zayna id	405	Java	2019-12-31 09:46:34
4	Doug Goodman	430	Java	2017-10-09 19:48:39
5	Alexander Idelberger	496	Java	2013-10-03 14:52:08
6	Zimu Qin	522	Java	2015-08-17 18:00:57
7	Erik Baalhuis	536	Java	2015-09-15 21:16:58
8	Andrea	553	Java	2023-09-12 15:29:37
9	Morten William Lund	557	Java	2013-10-03 20:49:18
10	Tú Huỳnh	561	Java	2016-08-22 14:50:04

#	User	Length	Language	Date
1	Shinno K	1225	JavaScript (Node.js)	2020-02-25 03:38:10
2	Khin Nyunt	1912	JavaScript (Node.js)	2021-09-30 17:41:18
3	Stephanie Keck	10234	JavaScript (Node.js)	2020-01-30 08:25:40

#	User	Length	Language	Date
1	Peter Kedemo	372	JavaScript (SpiderMonkey)	2016-02-28 16:16:05
2	Michael Laszlo	380	JavaScript (SpiderMonkey)	2017-12-27 08:12:42
3	Bjørn Chr. Soltvedt	406	JavaScript (SpiderMonkey)	2016-02-09 17:43:07
4	Hà Minh Ngọc	437	JavaScript (SpiderMonkey)	2016-08-08 19:30:29
5	Zachary DeStefano	460	JavaScript (SpiderMonkey)	2018-02-21 16:58:09
6	Andrea Bianchessi	643	JavaScript (SpiderMonkey)	2017-11-15 22:47:49
7	Adam Murphy	803	JavaScript (SpiderMonkey)	2016-03-24 03:54:17
8	Christian Cederquist	818	JavaScript (SpiderMonkey)	2023-02-12 22:42:53
9	Paul Leung	928	JavaScript (SpiderMonkey)	2017-03-09 19:25:07
10	Nah Yi Feng	1006	JavaScript (SpiderMonkey)	2017-10-30 09:28:59

#	User	Length	Language	Date
1	Roger Bongers	634	Kotlin	2021-06-27 16:16:56
2	Phường Lên	654	Kotlin	2020-01-23 05:13:12
3	Dayan Ruben Gonzalez	920	Kotlin	2020-10-03 22:33:08
4	Aniket Kumar	1014	Kotlin	2024-05-01 17:15:34
5	Hidden user	1032	Kotlin	2020-02-25 12:44:14
6	Neil Harmon	1059	Kotlin	2019-09-03 09:37:19
7	Adam Rankin	1365	Kotlin	2023-04-25 23:48:10
8	Nicholas Johnson	2420	Kotlin	2021-02-25 02:12:23

#	User	Length	Language	Date
1	Caleb Austin	1195	Lua	2024-08-30 23:05:10
2	Joseph Chau	1581	Lua	2024-01-26 23:10:52

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1020	Pascal	2017-08-12 18:12:56

#	User	Length	Language	Date
1	Henry Kiame	961	PHP	2019-07-15 11:03:31

#	User	Length	Language	Date
1	Henri Lemoine	97	Python 3	2022-09-14 07:04:53
2	Thibault Raffaillac	129	Python 3	2024-08-06 22:58:47
3	Noah Hessen Bjerke	154	Python 3	2023-12-08 17:03:51
4	Farzam Abrishami	170	Python 3	2023-12-17 02:07:48
5	Charles Ancheta	176	Python 3	2023-03-19 06:59:49
6	Alexei Fedotov	181	Python 3	2019-07-15 18:41:57
7	Ahmed Chamseddine	198	Python 3	2024-08-19 13:48:32
8	Tai Tze Kin	201	Python 3	2024-05-08 08:52:19
9	Bjørn Dons	206	Python 3	2018-10-01 01:45:14
10	April Chao	218	Python 3	2020-09-01 01:50:01

#	User	Length	Language	Date
1	Thomas Feld	60	Ruby	2023-03-15 12:03:25
2	Henry Xia	314	Ruby	2018-02-22 20:47:23
3	Hidden user	555	Ruby	2017-05-11 11:50:13
4	Ajai Nelson	857	Ruby	2022-02-19 20:34:45

#	User	Length	Language	Date
1	Vincent Lagerros	262	Rust	2024-10-12 19:59:37
2	chuanhao01	931	Rust	2024-04-07 17:44:03
3	Bas Dirks	1326	Rust	2022-03-13 14:57:04
4	Hugo Lindström	1398	Rust	2022-04-01 13:13:13
5	Louis Bouchard	1537	Rust	2024-09-16 02:12:06
6	Eric Pinter	1690	Rust	2022-05-15 17:05:52
7	Hidden user	1822	Rust	2023-10-13 21:43:02
8	Muhammad Rais Fathin Mudzakir	4149	Rust	2021-05-30 12:55:00
9	Daniel Anker Hermansen	27839	Rust	2024-10-03 20:19:08

Solution running time distribution