Problem S
Recursion + Rand = !Fun

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Problem statistics

Submissions	658
Accepted submissions	173
Submission ratio	26.29%
Authors	177
Accepted authors	128
Author ratio	72.32%

#	User	Runtime	Date
1	Ivan Petrov	0.00 s	2020-03-10 09:31:47
2	Michael Laszlo	0.21 s	2016-11-07 16:24:54
3	Bergur Snorrason	0.21 s	2019-10-26 12:45:24

#	User	Runtime	Date
1	Brent Yorgey	0.00 s	2022-11-26 21:49:28

#	User	Runtime	Date
1	Jd Dantes	0.06 s	2016-03-12 08:00:48
2	Liam Keliher	0.06 s	2016-03-24 04:00:26
3	Olav Røthe Bakken	0.06 s	2018-11-06 23:36:43
4	Lim Yong Shen, Kevin	0.08 s	2022-02-09 09:35:29
5	Huang Hongyi	0.08 s	2023-08-22 18:10:56
6	Marco Karaan	0.11 s	2016-03-12 07:42:06
7	Joey Chan	0.11 s	2016-03-26 19:56:14
8	Måns Magnusson	0.11 s	2016-03-27 01:27:02
9	Roger Ballard	0.11 s	2017-10-02 03:21:26
10	Sumer Sao	0.11 s	2017-11-06 23:03:42

#	User	Runtime	Date
1	Hugo Eberhard	0.03 s	2016-04-05 20:57:35
2	Bertrand Evertz	0.03 s	2020-01-04 22:05:22
3	Erik Tjøswold	0.04 s	2019-01-05 15:48:45
4	Hidden user	0.04 s	2019-07-09 18:17:54

#	User	Runtime	Date
1	Richard Liu	0.02 s	2017-11-06 22:25:57
2	Thomas Draper	0.05 s	2022-09-03 19:56:29
3	Barry Tng	0.05 s	2022-11-24 08:58:54
4	Lee Isaac	0.05 s	2023-08-02 04:23:02
5	Neo Wei Qing	0.05 s	2023-08-03 13:11:01
6	Marcus Xu	0.05 s	2023-08-28 10:15:10
7	Oskar Haarklou Veileborg	0.06 s	2020-02-05 08:19:15
8	Ryan Tan	0.06 s	2023-08-06 18:20:33
9	Casper Rysgaard	0.07 s	2024-03-21 18:16:36
10	Lars Tveito	0.08 s	2022-02-06 23:06:59

#	User	Length	Date
1	Michael Laszlo	792	2016-11-07 16:24:54
2	Ivan Petrov	1128	2020-03-10 09:31:47
3	Bergur Snorrason	2009	2019-10-26 12:45:24

#	User	Length	Date
1	Teikn Smith	195	2022-09-09 08:30:44
2	Jeremy Lim	337	2023-12-23 11:40:19
3	Darryl Teo	378	2024-05-02 11:01:28
4	Syx Pek	394	2016-02-06 17:44:05
5	Hidden user	507	2023-08-02 17:55:37
6	Pontakorn Prasertsuk	519	2023-08-06 20:53:31
7	Ryan Chew	529	2019-01-10 14:22:32
8	Charlie Murphy	531	2016-03-25 22:52:25
9	Rene Josiah M. Quinto	553	2017-02-07 06:21:42
10	Kwok Xiu Sheng Theodore	567	2023-08-02 18:45:32

#	User	Length	Date
1	Brent Yorgey	1796	2022-11-26 21:49:28

#	User	Length	Date
1	Sumer Sao	606	2017-11-06 23:03:42
2	Måns Magnusson	732	2016-03-27 01:27:02
3	Roger Ballard	830	2017-10-02 03:21:26
4	Marco Karaan	917	2016-03-12 07:42:06
5	Jd Dantes	943	2016-03-12 08:00:48
6	Joey Chan	1213	2016-03-26 19:56:14
7	Liam Keliher	1516	2016-03-24 04:00:26
8	Steven Halim	1642	2018-07-11 05:43:26
9	Nick Wu	2005	2015-11-25 09:41:15
10	Olav Røthe Bakken	2155	2018-11-06 23:36:43

#	User	Length	Date
1	Hidden user	469	2019-07-09 18:20:03
2	Bertrand Evertz	620	2020-01-04 22:05:22
3	Erik Tjøswold	721	2019-01-05 15:48:45
4	Hugo Eberhard	1215	2016-04-05 20:57:35

#	User	Length	Date
1	Neo Wei Qing	308	2023-08-03 13:13:07
2	Marcus Xu	343	2023-08-28 10:15:10
3	Lars Tveito	402	2022-02-06 23:06:59
4	Oskar Haarklou Veileborg	404	2020-02-05 08:19:15
5	Casper Rysgaard	434	2024-03-21 18:16:36
6	Hidden user	434	2023-08-04 04:36:44
7	Richard Liu	461	2017-11-06 22:25:57
8	Thomas Draper	539	2022-09-03 19:56:29
9	Barry Tng	561	2022-11-24 08:58:54
10	Yosuke Mizutani	651	2020-06-23 23:44:39

Solution running time distribution