Problem A
Purple Rain — Problem Statistics

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Submissions	2521
Accepted submissions	843
Submission ratio	33.44%
Authors	795
Accepted authors	654
Author ratio	82.26%

#	User	Runtime	Language	Date
1	Yilun Wu	0.00 s	C	2018-10-27 19:17:52
2	Nihat Altiparmak	0.00 s	C	2018-10-28 02:23:54
3	Ivan Petrov	0.00 s	C	2020-02-24 16:40:36
4	Eyleifur Bjarkason	0.00 s	C	2023-01-24 00:13:17
5	Hidden user	0.01 s	C	2017-11-24 14:56:55

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.07 s	C#	2025-02-18 06:41:21

#	User	Runtime	Language	Date
1	Aaron Allen	0.01 s	Haskell	2021-08-16 04:02:30
2	Brent Yorgey	0.02 s	Haskell	2021-08-09 00:07:10
3	Tim Put	0.02 s	Haskell	2021-09-01 01:36:47
4	Anurudh Reddy	0.04 s	Haskell	2021-09-05 06:27:10
5	Steinar Simonnes	0.04 s	Haskell	2025-02-10 14:02:33

#	User	Runtime	Language	Date
1	Daniel Moyer	0.07 s	Java	2017-11-16 00:16:20
2	Ge Xia	0.07 s	Java	2018-03-14 01:11:44
3	David Harmeyer	0.07 s	Java	2018-03-23 23:00:30
4	Charley Sheaffer	0.07 s	Java	2018-09-13 01:37:16
5	Nick Wu	0.08 s	Java	2017-11-15 22:14:59
6	Jon Pavelich	0.08 s	Java	2018-05-31 04:25:29
7	Julio Segismundo	0.08 s	Java	2023-03-28 04:08:10
8	Mattias Gustafsson	0.09 s	Java	2025-03-12 09:23:53
9	Fredrik Persson	0.09 s	Java	2025-03-26 23:42:40
10	Crystal Sharpe	0.10 s	Java	2020-10-03 18:38:59

#	User	Runtime	Language	Date
1	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-08-05 08:34:08

#	User	Runtime	Language	Date
1	Jacob Huebner	0.27 s	Kotlin	2020-06-02 07:32:14
2	Phường Lên	0.27 s	Kotlin	2020-06-23 08:40:17
3	Adam Rankin	0.28 s	Kotlin	2023-10-26 02:22:45

#	User	Runtime	Language	Date
1	Jeff Robertson	0.03 s	Python 2	2017-11-15 23:57:33
2	Ciara Godwin	0.03 s	Python 2	2018-04-29 13:10:45
3	Aarav Singh	0.03 s	Python 2	2018-10-24 17:05:46
4	Can Liu	0.03 s	Python 2	2018-10-27 19:28:55
5	Nariman Ayoubi	0.03 s	Python 2	2023-06-29 20:59:14
6	Danial Haseeb	0.03 s	Python 2	2023-10-03 18:15:07
7	Hermon Mulat	0.04 s	Python 2	2017-11-14 05:17:42
8	Chen Huo	0.04 s	Python 2	2017-11-14 05:41:17
9	Godmar Back	0.04 s	Python 2	2017-11-15 18:43:10
10	Cian Ruane	0.04 s	Python 2	2018-04-18 15:20:05

#	User	Runtime	Language	Date
1	Hassan Almas	0.04 s	Python 3	2017-11-13 05:11:03
2	Ciara Godwin	0.04 s	Python 3	2018-04-29 13:10:23
3	Andreas Björklund	0.04 s	Python 3	2025-03-06 17:22:16
4	David Allemang	0.05 s	Python 3	2018-02-17 00:24:48
5	James Hamm	0.05 s	Python 3	2018-05-09 19:58:58
6	Ben Stutzman	0.05 s	Python 3	2018-08-31 12:50:31
7	Oscar Skean	0.05 s	Python 3	2018-10-27 23:57:43
8	Kevin Chen	0.05 s	Python 3	2018-11-04 23:43:00
9	Simon Chu	0.05 s	Python 3	2018-11-12 15:26:01
10	Nathan Higley	0.05 s	Python 3	2019-11-17 05:29:29

#	User	Runtime	Language	Date
1	Dustin Rickert	0.06 s	Ruby	2018-02-17 00:29:09
2	Thomas Feld	0.09 s	Ruby	2023-08-07 14:35:35

#	User	Runtime	Language	Date
1	Aaron Lengyel	0.00 s	Rust	2021-11-08 22:22:02
2	Vincent Lagerros	0.00 s	Rust	2025-01-20 16:48:36
3	Hidden user	0.00 s	Rust	2025-02-08 18:27:10

#	User	Runtime	Language	Date
1	Danial Haseeb	0.01 s	Swift	2023-10-03 18:18:35

#	User	Length	Language	Date
1	Yilun Wu	613	C	2018-10-27 19:17:52
2	Nihat Altiparmak	632	C	2018-10-28 02:23:54
3	Hidden user	759	C	2017-11-24 14:56:55
4	Ivan Petrov	779	C	2020-02-24 16:40:36
5	Eyleifur Bjarkason	9285	C	2023-01-24 00:13:17

#	User	Length	Language	Date
1	Andriy Zyevakov	11456	C#	2025-02-18 06:41:21

#	User	Length	Language	Date
1	Frederick Pek	411	C++	2021-04-07 16:40:33
2	Johan Wind	435	C++	2018-10-19 16:49:30
3	Jesús Pacheco Alonso	450	C++	2024-11-11 16:22:21
4	Reichi Ray	451	C++	2024-03-04 15:18:53
5	Kanin Suphap	453	C++	2022-10-12 03:53:04
6	Jerome Leow	455	C++	2021-02-02 03:56:35
7	myssix	455	C++	2021-07-31 07:40:08
8	Howard Cheng	487	C++	2018-10-20 19:40:54
9	Armen Andreasyan	492	C++	2019-04-04 07:58:13
10	Nigel Tan	509	C++	2021-02-03 13:40:03

#	User	Length	Language	Date
1	Tim Put	754	Haskell	2021-09-01 01:36:47
2	Anurudh Reddy	767	Haskell	2021-09-05 06:29:54
3	Steinar Simonnes	980	Haskell	2025-02-10 14:03:02
4	Aaron Allen	1291	Haskell	2021-08-16 13:28:13
5	Brent Yorgey	1401	Haskell	2021-08-31 18:01:26

#	User	Length	Language	Date
1	Justin DeWitt	672	Java	2021-10-30 20:44:36
2	Way Tan	691	Java	2018-08-10 12:16:49
3	Doug Goodman	725	Java	2018-04-10 20:14:47
4	Grant Jennings	829	Java	2018-10-27 23:07:59
5	Steve Tate	836	Java	2017-11-11 20:36:19
6	Hidden user	851	Java	2020-06-04 19:15:44
7	Brennan Cleland	862	Java	2023-05-05 23:18:27
8	Kevin Kauffman	875	Java	2021-10-22 16:55:48
9	Akash Krishna	875	Java	2019-11-13 21:49:23
10	Caleb Arcega	890	Java	2017-12-05 19:15:26

#	User	Length	Language	Date
1	Christian Cederquist	1054	JavaScript (SpiderMonkey)	2023-08-05 08:34:08

#	User	Length	Language	Date
1	Jacob Huebner	654	Kotlin	2020-06-02 07:32:14
2	Adam Rankin	1024	Kotlin	2023-10-26 02:22:45
3	Phường Lên	1638	Kotlin	2020-06-23 08:40:17

#	User	Length	Language	Date
1	Jeff Robertson	291	Python 2	2017-11-15 23:57:33
2	Aarav Singh	414	Python 2	2018-10-24 17:05:46
3	Ragur Krishnan	419	Python 2	2018-12-19 06:15:48
4	Ciara Godwin	556	Python 2	2018-04-29 13:10:45
5	Danial Haseeb	556	Python 2	2023-10-03 18:15:07
6	Can Liu	581	Python 2	2018-10-27 19:28:55
7	Cian Ruane	584	Python 2	2018-04-18 15:20:05
8	Nariman Ayoubi	585	Python 2	2023-06-29 20:59:14
9	Hermon Mulat	597	Python 2	2017-11-14 05:17:42
10	Måns Magnusson	604	Python 2	2018-09-30 13:23:01

#	User	Length	Language	Date
1	Kai Hoop	117	Python 3	2024-02-22 03:47:11
2	Hidden user	137	Python 3	2023-09-12 02:29:31
3	Benjamin Z White	167	Python 3	2023-06-01 15:05:24
4	Michael Goldwasser	172	Python 3	2024-11-06 23:07:22
5	Brady Zhou	203	Python 3	2017-12-30 03:13:11
6	Rabnoor Singh	208	Python 3	2024-02-24 18:57:21
7	Jonathan Dastrup	243	Python 3	2024-09-04 02:37:09
8	Andreas Björklund	246	Python 3	2025-03-06 17:22:16
9	Oskar Haarklou Veileborg	307	Python 3	2021-03-09 21:44:25
10	Max Graves	324	Python 3	2022-09-17 20:40:50

#	User	Length	Language	Date
1	Thomas Feld	79	Ruby	2023-08-07 14:37:58
2	Dustin Rickert	377	Ruby	2018-02-17 00:29:09

#	User	Length	Language	Date
1	Vincent Lagerros	1158	Rust	2025-01-20 16:48:36
2	Aaron Lengyel	4051	Rust	2021-11-08 22:22:02
3	Hidden user	5998	Rust	2025-02-08 18:27:10

#	User	Length	Language	Date
1	Danial Haseeb	623	Swift	2023-10-03 18:18:35

Solution running time distribution