Problem A
Don't Fall Down Stairs — Problem Statistics

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Submissions	599
Accepted submissions	344
Submission ratio	57.43%
Authors	268
Accepted authors	240
Author ratio	89.55%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.51 s	Bash	2024-02-28 17:59:57

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.02 s	C	2023-09-25 22:32:37
2	Bergur Snorrason	0.02 s	C	2024-01-16 13:34:41
3	Armando Perales Cruz	0.09 s	C	2023-05-21 23:19:52
4	Jack Gurdin	0.10 s	C	2023-09-15 17:45:36
5	Hidden user	0.10 s	C	2024-10-22 04:04:08
6	Birger Lundin	0.11 s	C	2024-12-23 12:16:44

#	User	Runtime	Language	Date
1	Freek van Keulen	0.25 s	C#	2024-02-06 14:40:18

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.01 s	C++	2023-09-15 08:44:08
2	Alexander Kravberg	0.01 s	C++	2023-09-23 01:00:58
3	Mohsen Mahroos	0.02 s	C++	2024-03-13 11:35:52
4	Robert Pham	0.07 s	C++	2024-09-13 01:44:50
5	Frans Meulenbroeks	0.07 s	C++	2024-10-11 23:15:16
6	Jeff Cheng	0.08 s	C++	2023-05-21 20:37:29
7	Jerry Xiao	0.08 s	C++	2023-05-21 20:46:20
8	Mark Li	0.08 s	C++	2023-05-21 21:00:15
9	Arjun Agarwal	0.08 s	C++	2023-05-21 21:03:31
10	Paul Ingram	0.08 s	C++	2023-05-22 06:57:07

#	User	Runtime	Language	Date
1	Norbert Voelker	0.06 s	Go	2023-09-19 01:32:41
2	Berkan Eren	0.11 s	Go	2024-01-23 18:04:13

#	User	Runtime	Language	Date
1	Ng Tek In	0.09 s	Haskell	2023-09-26 18:31:54
2	Steinar Simonnes	0.09 s	Haskell	2024-06-06 11:56:46
3	Brent Yorgey	0.15 s	Haskell	2023-09-14 03:36:54
4	Hidden user	0.29 s	Haskell	2023-09-05 19:21:48

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.07 s	Java	2025-02-10 10:29:51
2	Sven Rönnbäck	0.08 s	Java	2024-06-21 09:19:34
3	Bjørn Dons	0.12 s	Java	2023-09-05 20:19:21
4	Cindy D	0.33 s	Java	2025-05-13 03:52:14
5	Joshua Hayes	0.34 s	Java	2023-09-16 03:25:24
6	Leslie Yip	0.34 s	Java	2023-09-25 09:50:12
7	Paul Reyes	0.34 s	Java	2024-09-19 14:32:46
8	spryzen_v3	0.34 s	Java	2025-05-31 12:48:03
9	Mack Wong Yoong Yee	0.35 s	Java	2023-12-24 18:30:55
10	Nina	0.35 s	Java	2024-10-05 02:01:16

#	User	Runtime	Language	Date
1	Christian Cederquist	0.20 s	JavaScript (SpiderMonkey)	2023-09-10 01:42:50
2	Bjørn Chr. Soltvedt	0.22 s	JavaScript (SpiderMonkey)	2023-09-05 20:35:18
3	Jimmy Gustafsson	0.26 s	JavaScript (SpiderMonkey)	2024-08-03 22:18:12

#	User	Runtime	Language	Date
1	Timothy Gaede	0.69 s	Julia	2024-04-16 14:40:33

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.51 s	Kotlin	2024-06-03 14:49:03
2	Adam Rankin	0.64 s	Kotlin	2023-09-13 06:33:41

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.19 s	Python 2	2024-03-12 09:51:22

#	User	Runtime	Language	Date
1	BENJAMIN LIU	0.18 s	Python 3	2023-05-21 20:58:15
2	Petr	0.18 s	Python 3	2024-11-11 19:05:43
3	Fabián González Castañeda	0.19 s	Python 3	2023-05-21 23:26:35
4	Edward Späth	0.20 s	Python 3	2024-01-23 16:17:01
5	Ibrahim Enes Hayber	0.20 s	Python 3	2024-01-25 10:14:09
6	Bastian Stade	0.20 s	Python 3	2024-01-25 11:22:04
7	Tobias Bessler	0.20 s	Python 3	2024-03-03 21:52:26
8	Rebecca Jackson	0.20 s	Python 3	2025-02-12 23:26:46
9	Lego Haryanto	0.20 s	Python 3	2025-05-16 10:53:12
10	Devon Kennedy	0.21 s	Python 3	2025-04-01 01:10:18

#	User	Runtime	Language	Date
1	Jonathan de Koning	0.36 s	Ruby	2024-02-26 23:43:58
2	Thomas Feld	0.51 s	Ruby	2023-09-05 10:37:09

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-25 04:30:50
2	Frank Endriss	0.02 s	Rust	2023-10-06 16:32:00
3	Bas Dirks	0.04 s	Rust	2023-12-26 07:10:56
4	Hidden user	0.04 s	Rust	2025-07-15 21:38:57

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-28 17:59:57

#	User	Length	Language	Date
1	Bergur Snorrason	268	C	2024-01-16 13:33:08
2	Hidden user	350	C	2024-10-22 04:04:08
3	Jack Gurdin	471	C	2023-09-15 17:45:36
4	Birger Lundin	483	C	2024-12-23 12:16:44
5	Armando Perales Cruz	756	C	2023-05-21 23:19:52
6	Eyleifur Bjarkason	7520	C	2023-09-25 22:35:04

#	User	Length	Language	Date
1	Freek van Keulen	384	C#	2024-02-06 14:40:18

#	User	Length	Language	Date
1	Frans Meulenbroeks	117	C++	2024-10-11 23:18:00
2	Grae Yeandle	203	C++	2023-09-13 14:54:19
3	Ahmed Chamseddine	211	C++	2023-10-05 09:22:08
4	Jesús Pacheco Alonso	245	C++	2023-09-15 13:37:51
5	Dominic Sagen	284	C++	2023-11-01 16:21:35
6	Alex Rudzenis	287	C++	2023-05-21 21:54:14
7	I Lucian	288	C++	2023-09-23 09:18:21
8	Natasha Oprean	289	C++	2023-10-07 13:48:25
9	Jansen Craft	303	C++	2024-10-07 20:15:53
10	Mohsen Mahroos	304	C++	2024-03-13 11:26:11

#	User	Length	Language	Date
1	Berkan Eren	651	Go	2024-01-23 18:04:13
2	Norbert Voelker	734	Go	2023-09-19 01:32:41

#	User	Length	Language	Date
1	Hidden user	369	Haskell	2023-09-05 19:21:48
2	Steinar Simonnes	541	Haskell	2024-06-06 11:56:46
3	Ng Tek In	926	Haskell	2023-09-26 18:31:54
4	Brent Yorgey	8670	Haskell	2023-09-14 03:36:54

#	User	Length	Language	Date
1	Cindy D	536	Java	2025-05-13 03:52:14
2	Leslie Yip	617	Java	2023-09-25 09:50:12
3	David Van Nguyen	767	Java	2024-07-05 04:15:57
4	spryzen_v3	780	Java	2025-05-31 12:48:03
5	Ben Cobb	803	Java	2023-09-10 04:08:42
6	Joshua Hayes	891	Java	2023-09-16 03:25:24
7	Mack Wong Yoong Yee	1013	Java	2023-12-24 18:30:55
8	Rohan Lakhanpal	1045	Java	2024-05-26 02:08:10
9	Paul Reyes	1284	Java	2024-09-19 14:32:46
10	Guangyi Zhou	1514	Java	2025-02-10 10:29:51

#	User	Length	Language	Date
1	Jimmy Gustafsson	97	JavaScript (SpiderMonkey)	2024-08-03 22:17:09
2	Bjørn Chr. Soltvedt	118	JavaScript (SpiderMonkey)	2023-09-05 20:37:57
3	Christian Cederquist	169	JavaScript (SpiderMonkey)	2023-09-10 01:42:50

#	User	Length	Language	Date
1	Timothy Gaede	744	Julia	2024-04-16 14:40:33

#	User	Length	Language	Date
1	Adam Rankin	217	Kotlin	2023-09-13 06:33:41
2	Martijn Muijsers	582	Kotlin	2024-06-03 14:49:03

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	207	Python 2	2024-03-12 09:51:22

#	User	Length	Language	Date
1	Lee Isaac	54	Python 3	2023-10-25 06:18:37
2	Jonathan de Koning	57	Python 3	2024-02-23 02:21:45
3	Isaac Lee	68	Python 3	2023-09-11 05:05:26
4	Atli Fannar Franklín	78	Python 3	2023-09-05 15:14:12
5	Tai Tze Kin	78	Python 3	2024-05-06 21:55:29
6	Christofer Ohlsson	83	Python 3	2023-09-07 22:33:13
7	Wensi Ai	87	Python 3	2023-05-21 21:14:48
8	Thibault Raffaillac	87	Python 3	2024-08-01 15:29:42
9	David Zhou	96	Python 3	2024-11-01 05:35:32
10	Justin Su	99	Python 3	2024-02-29 23:05:02

#	User	Length	Language	Date
1	Jonathan de Koning	43	Ruby	2024-02-27 00:39:18
2	Thomas Feld	54	Ruby	2023-09-05 10:37:47

#	User	Length	Language	Date
1	Bas Dirks	611	Rust	2023-12-26 07:10:56
2	Frank Endriss	1417	Rust	2023-10-06 16:32:00
3	Hidden user	6124	Rust	2025-07-15 21:38:57
4	Vincent Lagerros	14447	Rust	2024-08-25 04:30:50

Solution running time distribution