Problem A
Spiderman's Workout — Problem Statistics

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Submissions	18941
Accepted submissions	4670
Submission ratio	24.66%
Authors	3205
Accepted authors	2539
Author ratio	79.22%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-17 19:14:58

#	User	Runtime	Language	Date
1	Shiji Peng	0.00 s	C	2019-04-13 06:51:06
2	Yunhe Yang	0.00 s	C	2019-04-13 06:58:37
3	James Rettie	0.00 s	C	2022-10-25 00:39:47
4	Hidden user	0.00 s	C	2022-11-20 21:09:33
5	Max McGinty	0.00 s	C	2025-04-24 19:36:15
6	Aisha Rigert	0.01 s	C	2016-10-13 00:30:54
7	Olav Røthe Bakken	0.01 s	C	2017-02-01 12:36:05
8	Adam Evans	0.01 s	C	2017-03-07 23:05:20
9	Brandon Mouser	0.01 s	C	2018-04-11 20:55:03
10	Jack Zhao	0.01 s	C	2019-04-13 02:28:22

#	User	Runtime	Language	Date
1	Dylan Johnson	0.02 s	C#	2017-11-30 18:27:50
2	David W Reeves	0.02 s	C#	2018-04-12 00:02:20
3	Adam Bennion	0.03 s	C#	2017-04-15 22:51:19
4	Stacey Kirby	0.03 s	C#	2017-04-16 20:50:42
5	Longsheng Du	0.03 s	C#	2017-04-18 07:01:43
6	Justin Brinton	0.03 s	C#	2017-11-29 04:47:01
7	Jacob Valentine	0.03 s	C#	2017-12-02 00:13:44
8	Christopher Kim	0.03 s	C#	2017-12-18 01:15:39
9	Marina Johnson	0.03 s	C#	2018-04-12 20:08:10
10	Rachel Brough	0.03 s	C#	2018-04-13 02:00:08

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2022-10-25 00:02:14
2	Krzysztof Gibuła	0.08 s	Go	2021-07-06 23:36:01
3	Jacob Barzee	0.10 s	Go	2018-12-01 16:46:35
4	Vilhelm Melkstam	0.10 s	Go	2022-01-25 22:48:36
5	Nick Hallstrom	0.11 s	Go	2017-04-18 22:16:10
6	Grant Keller	0.12 s	Go	2019-11-29 21:50:28
7	Andrew Yang	0.13 s	Go	2017-04-12 01:48:05
8	Brennon Loveless	0.14 s	Go	2017-04-20 03:09:11
9	Hidden user	0.14 s	Go	2018-04-19 16:30:23
10	Tarun Sunkaraneni	0.21 s	Go	2018-12-02 04:02:22

#	User	Runtime	Language	Date
1	Zach Tschetter	0.06 s	Haskell	2021-03-21 14:11:34
2	Jonas Stendahl	0.09 s	Haskell	2016-05-03 19:13:00
3	Vegard Itland	0.44 s	Haskell	2017-10-31 15:04:15

#	User	Runtime	Language	Date
1	Edvin Lundberg	0.08 s	Java	2016-09-03 15:59:17
2	Hidden user	0.08 s	Java	2018-01-25 15:43:45
3	Igor Durovic	0.08 s	Java	2018-04-20 21:15:05
4	Mouad Naciri	0.08 s	Java	2018-12-07 10:51:30
5	Bjørn Dons	0.08 s	Java	2018-12-11 20:41:02
6	Mattis Kancans Envall	0.09 s	Java	2014-09-05 17:13:52
7	Hidden user	0.09 s	Java	2014-09-06 15:55:39
8	Lujia (Luke) Zhang	0.09 s	Java	2015-10-26 21:09:44
9	Madelon de Kemp	0.09 s	Java	2016-02-22 20:14:17
10	Micah Stairs	0.09 s	Java	2016-05-25 04:48:27

#	User	Runtime	Language	Date
1	Ola Næss Kaldestad	0.03 s	JavaScript (SpiderMonkey)	2017-03-04 17:56:08
2	Christian Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-06-15 16:34:23
3	Jimmy Gustafsson	0.38 s	JavaScript (SpiderMonkey)	2022-08-09 21:10:03
4	Spencer Smith	0.42 s	JavaScript (SpiderMonkey)	2019-04-10 05:11:58

#	User	Runtime	Language	Date
1	Jacob Huebner	0.17 s	Kotlin	2022-03-30 21:02:24
2	Nico Metger	0.28 s	Kotlin	2021-12-06 14:34:25
3	Danny Mittal	0.30 s	Kotlin	2022-09-30 05:17:40
4	Ali Amid	0.30 s	Kotlin	2024-03-28 09:01:32
5	Thomas Alme Matre	0.30 s	Kotlin	2025-02-09 16:15:20
6	Ferass Alhazmi	0.33 s	Kotlin	2018-11-30 06:24:03
7	Kyungyoon Kim	0.39 s	Kotlin	2019-11-30 06:04:46
8	Luca Mueller	0.39 s	Kotlin	2024-10-03 21:36:16
9	Jake Bounds	0.50 s	Kotlin	2024-09-27 20:09:49
10	Sam Keyser	0.55 s	Kotlin	2024-02-09 00:37:23

#	User	Runtime	Language	Date
1	Hidden user	0.46 s	Prolog	2024-09-30 07:29:31

#	User	Runtime	Language	Date
1	Kai Widell Niigata	0.06 s	Python 2	2014-02-10 15:38:03
2	Hidden user	0.06 s	Python 2	2015-09-10 20:47:18
3	Hidden user	0.06 s	Python 2	2017-04-11 08:28:49
4	Josenildo Silva	0.06 s	Python 2	2017-05-02 17:44:35
5	Thomas Feld	0.06 s	Python 2	2020-06-24 08:38:16
6	Spenser DuBois	0.07 s	Python 2	2017-04-13 22:32:58
7	Rob Ludlow-Olsen	0.07 s	Python 2	2017-04-15 01:53:26
8	Zak Peters	0.07 s	Python 2	2017-04-17 03:13:00
9	Erik Martin	0.07 s	Python 2	2018-04-15 21:51:50
10	Meysam Hamel	0.07 s	Python 2	2018-11-24 06:20:34

#	User	Runtime	Language	Date
1	Muyou Li	0.06 s	Python 3	2018-11-07 05:01:54
2	Neo blash	0.06 s	Python 3	2025-02-26 06:35:49
3	Anthony Russo	0.07 s	Python 3	2024-10-07 02:50:51
4	Burhan Khan	0.07 s	Python 3	2024-10-07 05:16:22
5	Matthew Mar	0.07 s	Python 3	2024-10-25 23:18:02
6	Pedro Pedro Antonio	0.07 s	Python 3	2025-03-06 06:49:05
7	Nikhil Muthukumar	0.08 s	Python 3	2024-10-07 01:22:35
8	Connor Verra	0.08 s	Python 3	2024-10-07 03:36:26
9	Anton Nilsson	0.08 s	Python 3	2025-01-25 11:19:05
10	Emmanuel Trinidad	0.08 s	Python 3	2025-02-24 05:52:16

#	User	Runtime	Language	Date
1	Mathias Svensson	0.00 s	Rust	2019-11-02 10:38:44
2	Egor Kulikov	0.00 s	Rust	2024-10-17 11:34:44
3	Vincent Lagerros	0.00 s	Rust	2024-12-02 00:22:18
4	Rolf Martin Glomsrud	0.01 s	Rust	2022-02-16 19:28:43
5	Akemi Izuko	0.01 s	Rust	2022-06-09 00:55:40
6	Jason Hooper	0.01 s	Rust	2022-07-14 06:22:04
7	Jan Inge Sande	0.01 s	Rust	2025-02-05 19:32:05
8	Chris Seager	0.01 s	Rust	2025-04-24 19:22:18
9	Jackson Linford	0.02 s	Rust	2023-04-14 14:26:43
10	Chase Harkcom	0.02 s	Rust	2024-04-09 02:54:51

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-17 19:14:58

#	User	Length	Language	Date
1	James Rettie	696	C	2022-10-25 00:53:53
2	Achraf Mamdouh	934	C	2016-09-08 22:05:36
3	Ivan Petrov	1196	C	2019-09-10 16:07:17
4	Hirad S	1406	C	2017-04-14 02:03:51
5	Linxi Li	1408	C	2018-11-26 06:02:44
6	Hidden user	1619	C	2022-11-20 21:09:33
7	Dennis Sheynkerman	1677	C	2024-10-05 01:14:29
8	Jack Zhao	1702	C	2019-04-13 02:28:22
9	Aisha Rigert	1830	C	2016-10-13 00:30:54
10	Max McGinty	1891	C	2025-04-24 19:36:15

#	User	Length	Language	Date
1	Stacey Kirby	2025	C#	2017-04-16 20:59:22
2	Jeremy Creagan	2083	C#	2018-04-16 19:05:39
3	Hepic Hepic	2150	C#	2015-10-28 10:16:58
4	Jiwon Nam	2403	C#	2018-11-30 00:18:46
5	Rachel Albert	2415	C#	2024-04-15 07:57:20
6	Michael Loper	2441	C#	2017-04-19 00:14:16
7	Zhuowen Song	2540	C#	2023-04-13 11:18:16
8	Jace Duennebeil	2565	C#	2023-04-15 02:39:57
9	Benjamin Roach	2577	C#	2019-04-11 01:43:12
10	Steven Song	2602	C#	2017-04-15 03:59:27

#	User	Length	Language	Date
1	Adil Rasiyani	640	C++	2023-03-02 09:40:37
2	Li Yao'an	703	C++	2017-02-05 14:24:00
3	Kiên Nguyễn Tiến Trung	748	C++	2017-02-08 13:54:45
4	Elias Lolck	777	C++	2023-05-18 17:38:31
5	William Gan	786	C++	2017-02-02 04:33:48
6	Hidden user	811	C++	2024-08-28 14:56:28
7	Yeoh Han Yi	817	C++	2025-04-16 02:17:28
8	bekarhunmain	822	C++	2024-07-15 17:59:04
9	Way Tan	824	C++	2020-02-11 17:27:48
10	Hidden user	867	C++	2021-07-23 21:24:00

#	User	Length	Language	Date
1	Nick Hallstrom	1247	Go	2017-04-18 21:32:11
2	Tarun Sunkaraneni	1491	Go	2018-12-02 04:13:03
3	Krzysztof Gibuła	1743	Go	2021-07-06 23:36:01
4	Grant Keller	1781	Go	2019-11-29 21:50:28
5	Norbert Voelker	1782	Go	2022-10-25 00:22:00
6	Andrew Yang	1796	Go	2017-04-11 03:05:57
7	Hidden user	1881	Go	2018-04-19 16:30:23
8	Vilhelm Melkstam	3095	Go	2022-01-25 22:48:36
9	Brennon Loveless	3780	Go	2017-04-20 03:09:11
10	Jacob Barzee	3815	Go	2018-12-01 16:46:35

#	User	Length	Language	Date
1	Zach Tschetter	1084	Haskell	2021-03-21 14:16:52
2	Vegard Itland	1804	Haskell	2017-10-31 15:04:15
3	Jonas Stendahl	3347	Haskell	2016-05-03 19:13:00

#	User	Length	Language	Date
1	Doug Goodman	1169	Java	2016-06-23 20:26:23
2	Kurtis Van Gent	1219	Java	2016-06-23 21:44:50
3	Andrew Gil	1241	Java	2017-11-10 22:05:47
4	Duncan Page	1286	Java	2018-04-03 00:28:11
5	Stephen Royal	1330	Java	2015-08-24 16:07:37
6	Steve Tate	1371	Java	2017-09-30 23:01:39
7	Adam Abdalla	1428	Java	2017-11-06 22:03:23
8	Andrew Polizzotto	1464	Java	2020-03-02 22:07:33
9	Xuehui Chen	1470	Java	2018-05-09 03:59:21
10	Matthew Zhang	1484	Java	2017-11-25 15:19:59

#	User	Length	Language	Date
1	Jimmy Gustafsson	1358	JavaScript (SpiderMonkey)	2022-08-09 21:10:03
2	Spencer Smith	1598	JavaScript (SpiderMonkey)	2019-04-10 05:11:58
3	Ola Næss Kaldestad	1776	JavaScript (SpiderMonkey)	2017-03-04 17:56:08
4	Christian Cederquist	1978	JavaScript (SpiderMonkey)	2023-06-15 16:31:18

#	User	Length	Language	Date
1	Stephen Atwood	923	Kotlin	2018-10-19 06:49:27
2	Sam Keyser	1381	Kotlin	2024-02-09 00:37:23
3	Ali Amid	1422	Kotlin	2024-03-27 13:23:35
4	Danny Mittal	1720	Kotlin	2022-09-30 05:17:40
5	Jake Bounds	1817	Kotlin	2024-09-27 20:09:49
6	Nico Metger	2058	Kotlin	2021-12-06 14:34:25
7	Thomas Alme Matre	2082	Kotlin	2025-02-09 16:15:20
8	Luca Mueller	2277	Kotlin	2024-10-03 21:36:16
9	Jacob Huebner	2312	Kotlin	2022-03-30 21:02:24
10	Kyungyoon Kim	2342	Kotlin	2019-11-29 05:03:53

#	User	Length	Language	Date
1	Hidden user	4654	Prolog	2024-09-30 07:29:31

#	User	Length	Language	Date
1	Andreas Eisele	510	Python 2	2018-09-20 22:10:59
2	Oskar Haarklou Veileborg	716	Python 2	2019-07-17 22:46:42
3	Victor Zheng	728	Python 2	2018-02-25 22:08:08
4	Lars Åström	773	Python 2	2018-10-11 17:35:14
5	Thomas Feld	819	Python 2	2020-06-24 08:38:16
6	Andreas Björklund	873	Python 2	2019-05-09 07:28:13
7	Oskar Larsson	965	Python 2	2019-04-14 18:24:20
8	Justin Mills	1066	Python 2	2017-04-16 06:06:59
9	Hermon Mulat	1089	Python 2	2019-01-24 22:15:03
10	Hidden user	1139	Python 2	2021-10-02 05:47:45

#	User	Length	Language	Date
1	Michael Goldwasser	313	Python 3	2024-01-24 08:57:36
2	Gustav Elmqvist	326	Python 3	2023-01-25 16:39:35
3	Nguyên Khôi Đỗ	366	Python 3	2025-03-09 20:59:05
4	Kelly Dance	463	Python 3	2022-10-22 01:12:48
5	Christian Goethert	488	Python 3	2025-04-08 20:03:57
6	Fred Bloggs	499	Python 3	2019-04-03 09:09:14
7	Emanuel Särnhammar	509	Python 3	2023-01-19 11:56:09
8	Nicholas Russell Saerang	535	Python 3	2024-05-25 09:09:10
9	Troels Bjerre Lund	545	Python 3	2019-04-01 12:56:54
10	Grayden Price	584	Python 3	2020-10-09 18:45:07

#	User	Length	Language	Date
1	Ole Magnus	1888	Rust	2025-02-22 15:25:51
2	Mckinley Xie	2104	Rust	2025-03-02 03:46:56
3	Mårten Nilsson	2120	Rust	2019-02-10 15:25:10
4	Kristian Elde Johansen	2217	Rust	2025-02-04 16:01:55
5	Mathias Svensson	2434	Rust	2019-11-02 10:36:51
6	Jackson Linford	2435	Rust	2023-04-14 14:05:09
7	Chris Seager	2834	Rust	2025-04-24 19:22:18
8	Hidden user	2864	Rust	2025-02-12 17:53:22
9	Tarjei Landøy	2987	Rust	2025-02-06 18:44:35
10	Jan Inge Sande	3283	Rust	2025-02-05 19:32:05

Solution running time distribution