Problem A
Rot — Problem Statistics

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Submissions	557
Accepted submissions	218
Submission ratio	39.14%
Authors	210
Accepted authors	184
Author ratio	87.62%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-12-14 02:14:09
2	Drake Packard	0.00 s	C	2018-02-19 21:20:24
3	Ivan Petrov	0.00 s	C	2019-06-28 10:35:05
4	Mikael K Eriksson	0.00 s	C	2022-01-12 21:35:31

#	User	Runtime	Language	Date
1	Bartosz Starczewski	0.02 s	C#	2019-01-13 21:03:50

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-05-18 17:56:49

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-10-29 19:23:19

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-11-25 04:58:07
2	Hidden user	0.00 s	Haskell	2019-11-02 21:38:49
3	Steinar Simonnes	0.00 s	Haskell	2025-06-16 13:27:06

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2025-03-09 10:32:08
2	Micah Stairs	0.05 s	Java	2017-04-15 03:42:45
3	Martin Wiberg Petersen	0.05 s	Java	2017-04-28 07:59:32
4	Martijn Muijsers	0.05 s	Java	2017-04-30 01:56:33
5	William Brigham	0.05 s	Java	2017-05-20 03:52:38
6	Veronica Gunn	0.05 s	Java	2017-09-23 02:53:47
7	Kell Skogh	0.05 s	Java	2017-09-28 17:00:31
8	Steven Cheng	0.05 s	Java	2017-11-20 20:47:43
9	Ashu Yadav	0.05 s	Java	2018-07-01 11:04:04
10	Nick Wu	0.06 s	Java	2017-06-19 00:49:25

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-04-11 15:44:58
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-06-14 15:58:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.75 s	Julia	2024-06-07 06:36:01

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.17 s	Kotlin	2019-12-12 18:54:57

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-07-18 21:19:17

#	User	Runtime	Language	Date
1	Jacob Elliott	0.02 s	Python 2	2018-02-15 18:42:56
2	Tomas Hallenberg	0.03 s	Python 2	2017-07-05 19:21:38
3	Travis Cox	0.03 s	Python 2	2017-10-06 21:23:19
4	Jesper Öqvist	0.03 s	Python 2	2018-10-30 23:56:56
5	Maj Stenmark	0.03 s	Python 2	2019-09-08 22:10:30
6	Thomas Feld	0.03 s	Python 2	2019-09-12 13:59:17
7	Yanmarshus Bachtiar	0.03 s	Python 2	2020-09-14 05:05:45
8	Andreas Björklund	0.03 s	Python 2	2020-11-01 17:42:44

#	User	Runtime	Language	Date
1	Elias Riedel Gårding	0.02 s	Python 3	2017-04-06 18:29:36
2	Hidden user	0.02 s	Python 3	2017-04-30 18:57:23
3	Cian Ruane	0.02 s	Python 3	2017-08-25 17:35:54
4	Ciara Godwin	0.02 s	Python 3	2017-09-10 14:58:33
5	Eva Noelle Moniz	0.02 s	Python 3	2017-10-06 22:05:35
6	Steven Halim	0.02 s	Python 3	2017-11-27 07:09:18
7	James Hamm	0.02 s	Python 3	2017-12-23 00:44:57
8	Ram Basnet	0.02 s	Python 3	2018-01-10 08:57:56
9	Sergio Vieri	0.02 s	Python 3	2018-03-25 05:53:32
10	Hakan Celik	0.02 s	Python 3	2018-04-09 10:04:51

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-05-22 10:11:23

#	User	Length	Language	Date
1	Ivan Petrov	1164	C	2019-06-28 10:35:05
2	Mikael K Eriksson	2429	C	2022-01-12 21:36:57
3	Hidden user	2894	C	2017-12-14 02:14:09
4	Drake Packard	4062	C	2018-02-19 21:20:24

#	User	Length	Language	Date
1	Bartosz Starczewski	8893	C#	2019-01-13 21:03:50

#	User	Length	Language	Date
1	Markus Mathiasen	861	C++	2023-10-12 16:45:03
2	Grae Yeandle	876	C++	2019-02-09 15:57:17
3	Sampson Lee	892	C++	2017-04-06 17:45:55
4	黃浚瑜	924	C++	2021-07-23 14:51:14
5	Max NC	978	C++	2023-10-25 17:49:30
6	Josenildo Silva	995	C++	2018-07-05 17:43:52
7	David Wärn	997	C++	2017-04-18 14:19:54
8	Azrael Brown	1070	C++	2017-08-03 05:05:20
9	Zac Friggstad	1174	C++	2020-05-14 15:38:27
10	Iqrar Agalosi Nureyza	1202	C++	2019-07-29 18:17:59

#	User	Length	Language	Date
1	David Cawthon	1851	Common Lisp	2019-05-18 17:56:49

#	User	Length	Language	Date
1	Norbert Voelker	1524	Go	2021-10-29 19:28:22

#	User	Length	Language	Date
1	Steinar Simonnes	1163	Haskell	2025-06-16 13:27:06
2	Brent Yorgey	2300	Haskell	2017-11-25 04:58:07
3	Hidden user	10494	Haskell	2019-11-02 21:38:49

#	User	Length	Language	Date
1	Doug Goodman	1380	Java	2017-06-07 17:49:05
2	Andrew Lyubovsky	1463	Java	2018-01-20 00:33:59
3	Veronica Gunn	1604	Java	2017-09-23 02:53:47
4	Esther Chong	1629	Java	2018-01-22 09:28:21
5	Micah Stairs	1728	Java	2017-04-15 03:42:45
6	Khiem Nguyen	1733	Java	2021-05-26 00:16:38
7	Martijn Muijsers	1760	Java	2017-04-30 01:56:33
8	Collin Skone	1927	Java	2018-09-26 04:20:42
9	Martin Wiberg Petersen	2072	Java	2017-04-28 07:59:32
10	Crystal Sharpe	2187	Java	2020-08-05 07:20:30

#	User	Length	Language	Date
1	Christian Cederquist	1621	JavaScript (SpiderMonkey)	2023-06-14 15:58:48
2	Bjørn Chr. Soltvedt	1743	JavaScript (SpiderMonkey)	2017-04-11 15:44:58

#	User	Length	Language	Date
1	Timothy Gaede	3648	Julia	2024-06-07 06:36:01

#	User	Length	Language	Date
1	Nicholas Johnson	1533	Kotlin	2019-12-12 18:54:57

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3462	Pascal	2018-07-18 21:19:17

#	User	Length	Language	Date
1	Thomas Feld	350	Python 2	2019-09-12 13:59:17
2	Andreas Björklund	710	Python 2	2020-11-01 17:42:44
3	Jesper Öqvist	717	Python 2	2018-10-30 23:56:56
4	Tomas Hallenberg	959	Python 2	2017-07-05 19:21:38
5	Jacob Elliott	1106	Python 2	2018-02-15 18:42:56
6	Travis Cox	1285	Python 2	2017-10-06 21:23:19
7	Yanmarshus Bachtiar	1742	Python 2	2020-09-14 05:05:45
8	Maj Stenmark	2614	Python 2	2019-09-08 22:10:30

#	User	Length	Language	Date
1	Kelly Dance	340	Python 3	2023-07-21 15:32:40
2	Nicholas Russell Saerang	489	Python 3	2023-08-13 09:23:21
3	Peter Stauder	517	Python 3	2022-11-10 22:27:35
4	Casper Rysgaard	552	Python 3	2020-07-04 00:03:47
5	Sergio Vieri	564	Python 3	2018-03-25 05:53:32
6	Brandon Foong	584	Python 3	2021-05-18 10:17:37
7	Johan Wind	592	Python 3	2018-05-13 21:04:44
8	Jason Cannon	636	Python 3	2019-11-22 19:27:33
9	Steven Halim	637	Python 3	2017-11-27 07:09:18
10	Bjørn Dons	684	Python 3	2018-12-18 22:35:24

#	User	Length	Language	Date
1	Bas Dirks	2401	Rust	2022-05-22 10:11:23

Solution running time distribution