Problem B
Elevator Trouble — Problem Statistics

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Submissions	5210
Accepted submissions	1797
Submission ratio	34.49%
Authors	1513
Accepted authors	1337
Author ratio	88.37%

#	User	Runtime	Language	Date
1	Yngve Hellås	0.00 s	C	2017-10-18 14:23:26
2	Hazem Abdel Aziz	0.00 s	C	2017-11-25 01:03:36
3	Ben Waver	0.00 s	C	2019-09-18 23:53:01
4	Adrianna Anderson	0.00 s	C	2020-01-11 23:08:13
5	Ivan Petrov	0.01 s	C	2019-07-17 14:54:24
6	Bergur Snorrason	0.01 s	C	2019-07-21 14:47:34
7	Jiajun Li	0.01 s	C	2020-04-18 08:49:02
8	Gnimadi Prosper	0.01 s	C	2021-11-30 19:34:18
9	Xiaochi Wang	0.01 s	C	2022-07-17 11:36:47
10	Hidden user	0.01 s	C	2022-12-12 21:35:34

#	User	Runtime	Language	Date
1	Göran Vällfors	0.02 s	C#	2018-12-01 18:37:36
2	Henrik Skaarup Andersen	0.02 s	C#	2019-06-03 14:46:22
3	Adam Imbert	0.02 s	C#	2021-08-24 00:30:57
4	Apurav Khare	0.08 s	C#	2021-08-25 00:23:19
5	Apurav Khare	0.08 s	C#	2021-08-25 04:18:33
6	Pontus Lidholm	0.08 s	C#	2023-08-08 12:44:56
7	Thierry KIEL	0.12 s	C#	2023-04-10 20:45:52
8	Emilia Frankén	0.12 s	C#	2023-04-12 13:47:17
9	Lucía María Alvarez Sánchez	0.14 s	C#	2023-04-17 04:31:59
10	Ricardo Diniz	0.14 s	C#	2024-10-15 14:38:13

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2025-06-24 22:27:19

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.24 s	F#	2023-02-14 19:05:14

#	User	Runtime	Language	Date
1	Ben Waver	0.08 s	Go	2019-09-18 18:49:01
2	Christopher MacDonald	0.09 s	Go	2019-09-18 17:39:05
3	Norbert Voelker	0.11 s	Go	2021-08-24 20:37:20
4	James Robb	0.50 s	Go	2020-05-11 15:01:40
5	James Robb	0.50 s	Go	2020-05-12 11:57:31

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.19 s	Haskell	2024-02-03 15:25:57

#	User	Runtime	Language	Date
1	Ozturk Ekrem	0.06 s	Java	2018-11-24 16:16:13
2	Cary Lefteroff	0.06 s	Java	2023-03-01 23:20:17
3	Hidden user	0.06 s	Java	2023-03-09 01:45:25
4	Siddharth Adusumelli	0.06 s	Java	2023-03-13 19:11:57
5	Sven Rönnbäck	0.06 s	Java	2023-06-28 17:44:28
6	Arushee Agrawal	0.07 s	Java	2017-10-27 07:21:21
7	Hidden user	0.07 s	Java	2017-12-12 21:00:19
8	Archie Gertsman	0.07 s	Java	2017-12-21 17:12:07
9	Crystal Sharpe	0.07 s	Java	2020-07-15 04:06:13
10	Akshay Gupta	0.08 s	Java	2017-10-27 07:42:30

#	User	Runtime	Language	Date
1	Giovani de SOUZA	0.05 s	JavaScript (Node.js)	2024-06-28 19:03:27
2	Waninsou Enagnintan Pinite Théophas AFOMASSE	0.07 s	JavaScript (Node.js)	2024-06-29 22:00:58
3	Austhène NANI	0.08 s	JavaScript (Node.js)	2024-06-28 18:51:10
4	Raïssa DJOSSOU	0.08 s	JavaScript (Node.js)	2024-06-28 22:12:25
5	Tony	0.08 s	JavaScript (Node.js)	2024-06-29 16:54:32
6	Nicolas AWEHA	0.09 s	JavaScript (Node.js)	2024-06-28 18:41:19
7	Lucresse Reine ADANDE	0.09 s	JavaScript (Node.js)	2024-06-28 19:02:40
8	Aurédia ADEBINKPE	0.09 s	JavaScript (Node.js)	2024-06-28 20:39:27
9	Hidden user	0.16 s	JavaScript (Node.js)	2024-10-09 23:14:55
10	gigi	0.43 s	JavaScript (Node.js)	2022-03-30 01:46:35

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-10-20 00:00:35
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-05-24 10:46:53
3	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2022-08-11 12:10:51
4	Zach Tschetter	0.38 s	JavaScript (SpiderMonkey)	2023-06-22 03:21:19

#	User	Runtime	Language	Date
1	5Head	0.21 s	Kotlin	2019-09-19 00:41:25
2	Hidden user	0.23 s	Kotlin	2019-12-13 00:11:39
3	Benjamin Ye	0.24 s	Kotlin	2023-02-12 21:29:33
4	Jacob Huebner	0.25 s	Kotlin	2020-03-11 12:34:08
5	Adam Rankin	0.25 s	Kotlin	2023-05-09 21:15:41
6	Слава Гуляев	0.30 s	Kotlin	2017-11-09 12:08:20
7	Luca Mueller	0.32 s	Kotlin	2024-11-06 21:57:47
8	Chelsea Hoernemann	0.36 s	Kotlin	2022-12-01 17:41:33
9	Eric Huynh	0.39 s	Kotlin	2019-02-03 03:37:32
10	Phường Lên	0.51 s	Kotlin	2019-12-12 06:14:33

#	User	Runtime	Language	Date
1	Henry Kiame	0.03 s	PHP	2019-07-08 10:08:09

#	User	Runtime	Language	Date
1	Thomas James Mendoza	0.03 s	Python 2	2018-04-19 15:50:12
2	Ben Waver	0.03 s	Python 2	2019-09-18 15:53:03
3	Frederik Højholt	0.04 s	Python 2	2017-10-06 14:37:13
4	Michael Huang	0.04 s	Python 2	2018-03-23 14:19:30
5	Josenildo Silva	0.04 s	Python 2	2018-06-22 15:45:49
6	Måns Magnusson	0.05 s	Python 2	2018-08-14 19:57:22
7	Erik Tjøswold	0.05 s	Python 2	2018-10-11 14:08:16
8	Andreas Björklund	0.05 s	Python 2	2019-05-05 14:29:45
9	Oskar Haarklou Veileborg	0.06 s	Python 2	2017-10-06 12:37:39
10	Jesper Öqvist	0.06 s	Python 2	2019-02-18 21:31:57

#	User	Runtime	Language	Date
1	Lin Jingru	0.02 s	Python 3	2019-07-11 11:20:09
2	Ben Waver	0.02 s	Python 3	2019-09-18 02:02:32
3	Zhuoran Zhao	0.02 s	Python 3	2019-11-08 17:58:13
4	William Beukelman	0.02 s	Python 3	2019-12-01 19:58:12
5	Allan Stewart	0.04 s	Python 3	2019-09-21 02:58:17
6	Yin Moe Aye	0.04 s	Python 3	2022-08-28 08:10:47
7	Ahmed Mhedhbi	0.04 s	Python 3	2022-10-19 22:49:05
8	Jaydan Aladro	0.04 s	Python 3	2022-10-23 22:05:56
9	Devin Scott Zielke	0.04 s	Python 3	2022-12-17 10:42:18
10	Logan Pipes	0.04 s	Python 3	2024-09-24 23:38:11

#	User	Runtime	Language	Date
1	Thomas Feld	0.49 s	Ruby	2023-06-07 14:29:51

#	User	Runtime	Language	Date
1	Ben Waver	0.00 s	Rust	2019-09-18 18:09:13
2	Louis Bouchard	0.01 s	Rust	2024-10-25 02:54:02
3	Cole Rottenberg	0.01 s	Rust	2024-11-06 20:08:30
4	Bas Dirks	0.09 s	Rust	2023-12-26 11:03:29
5	Sindbad Walter	0.11 s	Rust	2023-10-27 16:18:36
6	Hugo Lom	0.11 s	Rust	2024-02-13 19:22:14
7	Simon Hallefält	0.12 s	Rust	2023-09-06 19:31:38
8	Isak Jägberg	0.15 s	Rust	2024-11-11 16:17:33
9	Florian Nagel	0.51 s	Rust	2020-01-09 17:04:45

#	User	Length	Language	Date
1	Ivan Petrov	587	C	2019-07-17 14:54:24
2	Mona Wang	623	C	2024-10-29 02:59:19
3	Gnimadi Prosper	699	C	2021-11-30 19:34:18
4	Yngve Hellås	719	C	2017-10-18 14:23:26
5	HARITHA S R	859	C	2025-04-10 17:58:25
6	Ben Waver	943	C	2019-09-18 23:53:01
7	Naveen Kumar S	946	C	2025-04-14 08:31:56
8	Shan Yi	978	C	2025-06-10 14:39:53
9	Hazem Abdel Aziz	992	C	2017-11-25 01:03:36
10	Dries Wedda	1020	C	2022-09-22 16:45:45

#	User	Length	Language	Date
1	Casper Christensen	1580	C#	2019-05-28 21:21:59
2	Göran Vällfors	1662	C#	2018-11-30 17:11:55
3	Pontus Lidholm	2130	C#	2023-08-08 12:44:56
4	Viktor Máni Mönster	2139	C#	2020-05-18 15:16:38
5	Viktor Máni	2141	C#	2020-05-12 13:44:59
6	Thierry KIEL	2186	C#	2023-04-12 08:08:10
7	Lucía María Alvarez Sánchez	2489	C#	2023-04-17 04:31:59
8	Ricardo Diniz	2489	C#	2024-10-15 14:38:13
9	Apurav Khare	2514	C#	2021-08-25 00:23:19
10	Apurav Khare	2536	C#	2021-08-25 04:18:33

#	User	Length	Language	Date
1	Tudor M	314	C++	2022-10-21 15:35:40
2	Osama Albahrani	468	C++	2023-08-31 00:26:48
3	Heitor Leite	471	C++	2023-01-23 18:51:40
4	Fares Ibraheem Basuni	494	C++	2019-03-24 14:20:45
5	William Gan	522	C++	2018-12-04 17:25:10
6	Kenzo Nobre	531	C++	2023-01-23 18:20:29
7	Ian DeHaan	533	C++	2019-08-14 19:32:32
8	Johan Wind	541	C++	2025-06-16 20:37:00
9	Sean Wei	544	C++	2020-04-24 15:32:03
10	Aurijus Šustikas	555	C++	2023-10-29 11:49:50

#	User	Length	Language	Date
1	Hidden user	2119	Common Lisp	2025-06-24 22:27:19

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1197	F#	2023-02-14 19:05:14

#	User	Length	Language	Date
1	Christopher MacDonald	402	Go	2019-09-18 17:39:05
2	Ben Waver	908	Go	2019-09-18 18:49:01
3	James Robb	1369	Go	2020-05-12 11:57:31
4	James Robb	1463	Go	2020-05-11 15:01:40
5	Norbert Voelker	3864	Go	2021-08-24 20:37:20

#	User	Length	Language	Date
1	Steinar Simonnes	820	Haskell	2024-02-03 15:27:44

#	User	Length	Language	Date
1	Hidden user	709	Java	2023-02-23 06:31:16
2	Timothy Buzzelli	825	Java	2019-01-03 19:36:32
3	Jeffrey Gan	829	Java	2023-10-26 17:01:04
4	Sam Huynh	845	Java	2021-10-13 07:09:04
5	Siddharth Adusumelli	861	Java	2023-02-23 07:45:02
6	Doug Goodman	872	Java	2017-10-19 19:52:44
7	Hidden user	873	Java	2017-12-12 21:00:19
8	Juan Torres	894	Java	2017-10-30 18:45:52
9	Hidden user	900	Java	2017-11-24 22:53:58
10	Emilie Hyslop	901	Java	2021-10-15 08:55:17

#	User	Length	Language	Date
1	Hidden user	976	JavaScript (Node.js)	2024-10-09 23:14:55
2	Waninsou Enagnintan Pinite Théophas AFOMASSE	1033	JavaScript (Node.js)	2024-06-29 21:57:38
3	Raïssa DJOSSOU	1089	JavaScript (Node.js)	2024-06-28 22:12:25
4	Aurédia ADEBINKPE	1105	JavaScript (Node.js)	2024-06-28 20:39:27
5	Austhène NANI	1232	JavaScript (Node.js)	2024-06-28 18:51:10
6	Tony	1274	JavaScript (Node.js)	2024-06-29 16:54:32
7	Nicolas AWEHA	1303	JavaScript (Node.js)	2024-06-28 18:41:19
8	Giovani de SOUZA	1428	JavaScript (Node.js)	2024-06-28 19:03:27
9	Lucresse Reine ADANDE	1497	JavaScript (Node.js)	2024-06-28 19:02:40
10	Ursula Hebert-Johnson	1582	JavaScript (Node.js)	2020-04-14 04:31:41

#	User	Length	Language	Date
1	Zach Tschetter	678	JavaScript (SpiderMonkey)	2023-06-22 03:21:19
2	Christian Cederquist	748	JavaScript (SpiderMonkey)	2023-05-24 10:28:36
3	Bjørn Chr. Soltvedt	750	JavaScript (SpiderMonkey)	2017-10-20 00:00:35
4	Jimmy Gustafsson	806	JavaScript (SpiderMonkey)	2022-08-11 12:10:51

#	User	Length	Language	Date
1	Benjamin Ye	666	Kotlin	2023-02-12 21:29:33
2	Luca Mueller	800	Kotlin	2024-11-06 21:57:47
3	Phường Lên	802	Kotlin	2019-12-12 06:14:33
4	Jacob Huebner	1015	Kotlin	2020-03-11 12:34:08
5	Hidden user	1096	Kotlin	2019-12-13 00:11:39
6	Adam Rankin	1141	Kotlin	2023-05-09 21:15:41
7	5Head	1182	Kotlin	2019-09-19 00:41:25
8	Eric Huynh	1309	Kotlin	2019-02-03 03:37:32
9	Слава Гуляев	1729	Kotlin	2017-11-09 12:08:20
10	Chelsea Hoernemann	2075	Kotlin	2022-12-01 17:41:33

#	User	Length	Language	Date
1	Henry Kiame	1291	PHP	2019-07-08 10:08:09

#	User	Length	Language	Date
1	Jesper Öqvist	427	Python 2	2019-02-18 21:31:57
2	Michael Huang	434	Python 2	2018-03-23 14:19:30
3	Oskar Haarklou Veileborg	462	Python 2	2017-10-06 12:37:39
4	Måns Magnusson	491	Python 2	2018-08-14 19:57:22
5	Andreas Björklund	492	Python 2	2019-05-05 14:29:45
6	Josenildo Silva	594	Python 2	2018-06-22 15:45:49
7	Hidden user	628	Python 2	2017-09-23 11:48:07
8	Nick Bakkegaard	673	Python 2	2017-10-10 09:21:32
9	Eythor Andri	698	Python 2	2018-05-05 15:04:36
10	Frederik Højholt	736	Python 2	2017-10-06 14:37:13

#	User	Length	Language	Date
1	Mattéo Delabre	177	Python 3	2022-10-14 06:07:21
2	Peter Stauder	211	Python 3	2022-09-25 09:25:01
3	Sandheep Ramamoorthy	217	Python 3	2020-10-14 07:30:23
4	Kanmani Kamalanathan	240	Python 3	2020-10-14 06:59:37
5	Charles Ancheta	249	Python 3	2023-04-13 01:58:26
6	Yin Moe Aye	253	Python 3	2022-08-28 08:10:47
7	Ahmed Mhedhbi	261	Python 3	2022-10-23 20:07:02
8	Hannes Kristján Hannesson	271	Python 3	2018-05-04 22:40:11
9	Ahmed Chamseddine	273	Python 3	2024-11-13 22:47:04
10	Hidden user	281	Python 3	2023-06-09 16:14:08

#	User	Length	Language	Date
1	Thomas Feld	158	Ruby	2023-06-07 14:29:51

#	User	Length	Language	Date
1	Bas Dirks	1402	Rust	2023-12-26 11:03:29
2	Simon Hallefält	1411	Rust	2023-09-06 19:31:38
3	Ben Waver	1427	Rust	2019-09-18 18:09:13
4	Isak Jägberg	1580	Rust	2024-11-11 16:17:33
5	Sindbad Walter	2171	Rust	2023-10-27 16:18:36
6	Cole Rottenberg	2555	Rust	2024-11-06 20:08:30
7	Florian Nagel	2699	Rust	2020-01-09 17:04:45
8	Hugo Lom	3162	Rust	2024-02-13 19:08:39
9	Louis Bouchard	3803	Rust	2024-10-25 02:54:02

Solution running time distribution