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Hard Problem statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
15	57	16	20	7	4	3

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2008-05-11 23:41:59	Andreas Abraham	accepted	0.00	2.2M	C
2	2008-06-02 22:43:59	Esteban Crespí de Valldaura	accepted	0.00	3.2M	CPP
3	2008-10-08 05:35:59	Eigenray	accepted	0.00	1.6M	C
4	2009-04-15 11:05:27	Ruslan Sennov	accepted	0.00	4.0M	PYTHON
5	2009-08-27 20:12:18	Erick Wong	accepted	0.00	2.5M	CPP
6	2012-11-01 09:08:34	Rajat Kumar	accepted	0.00	3.4M	CPP
7	2013-01-10 21:18:08	Francky	accepted	0.00	1.7M	C
8	2016-01-18 15:15:12	darryl	accepted	0.00	2.6M	C++ 4.3.2
9	2010-06-10 10:59:25	Lox	accepted	0.01	4.7M	CPP
10	2015-02-06 06:20:42	Oleg	accepted	0.01	9.8M	PYTHON
11	2009-01-20 21:47:07	Luke Pebody	accepted	0.02	4.0M	PYTHON
12	2012-11-01 05:39:08	Tao Qian	accepted	0.04	1398M	JAVA
13	2010-01-03 06:46:41	[Rampage] Blue.Mary	accepted	0.07	4.0M	PYTHON
14	2007-07-15 05:47:24	Stephen Merriman	accepted	0.09	1399M	JAVA
15	2008-09-07 20:01:53	Marcin Dublański	accepted	0.25	3.9M	CPP