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Factorial challenge statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
342	2168	683	516	169	214	521

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2015-01-15 05:43:00	kunio himei	accepted	0.01	2.1M	C
2	2013-06-13 17:29:47	numerix	accepted	0.02	264k	PAS-FPC
3	2015-01-14 23:46:05	kunio himei	accepted	0.02	3.2M	CPP
4	2011-07-17 13:30:01	Ashutosh Kumar	accepted	0.04	2.7M	C++ 4.3.2
5	2012-07-31 21:04:58	Krystian Plackowski	accepted	0.04	1.6M	C
6	2010-11-29 19:28:57	Michael Kharitonov	accepted	0.06	2.8M	C++ 4.3.2
7	2012-04-08 19:03:54	Krystian Plackowski	accepted	0.07	2.7M	C++ 4.3.2
8	2014-01-31 06:36:45	kunio himei	accepted	0.08	1340M	JAVA
9	2019-02-25 06:07:00	Nadstratosfer Gonczy	accepted	0.08	15M	CPP
10	2012-06-07 20:55:12	demacek	accepted	0.10	452k	PAS-FPC
11	2021-01-28 20:46:20	weathervane	accepted	0.10	4.6M	C
12	2017-10-22 22:05:55	oneshadab	accepted	0.12	16M	CPP14
13	2010-11-28 21:23:35	Ricardo Bittencourt	accepted	0.13	2.6M	C++ 4.3.2
14	2014-12-13 13:20:24	wisfaq	accepted	0.13	400k	PAS-FPC
15	2022-08-09 08:05:48	smso	accepted	0.13	5.3M	CPP14
16	2018-04-28 22:40:51	Sergej	accepted	0.14	16M	CPP
17	2018-12-25 21:33:50	supernanren	accepted	0.14	16M	CPP14
18	2020-08-05 03:17:09	idontreallyknow	accepted	0.14	4.4M	CPP14
19	2010-09-24 13:38:53	nick	accepted	0.15	3.1M	CPP
20	2010-09-26 00:17:51	Danny Sleator	accepted	0.15	4.2M	OCAML