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Another Sequence Problem statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
192	2529	619	678	147	502	554

RANK	DATE	USER	RESULT	TIME	MEM	LANG
141	2013-06-06 08:52:37	linzequn	accepted	2.51	18M	C++ 4.3.2
142	2013-08-18 17:49:21	HX	accepted	2.51	30M	C++ 4.3.2
143	2013-10-23 13:27:00	liyi	accepted	2.51	48M	C++ 4.3.2
144	2013-11-08 03:39:26	Samsara	accepted	2.51	52M	C++ 4.3.2
145	2014-02-12 20:38:52	swag	accepted	2.51	39M	C++ 4.3.2
146	2014-08-17 06:36:39	Andy	accepted	2.51	48M	C++ 4.3.2
147	2014-08-18 04:33:31	halliday	accepted	2.51	48M	C++ 4.3.2
148	2014-08-24 01:42:38	Yojmeat	accepted	2.51	174M	C++ 4.3.2
149	2014-08-24 01:45:32	Kevin Liu	accepted	2.51	174M	C++ 4.3.2
150	2010-08-16 14:43:18	yuan	accepted	2.53	48M	C++ 4.3.2
151	2013-12-22 13:14:02	phtniit	accepted	2.53	188M	C++ 4.3.2
152	2011-02-05 18:05:31	本ID已作废	accepted	2.54	25M	PAS-FPC
153	2011-07-27 10:10:18	Zhao Tao	accepted	2.54	27M	C++ 4.3.2
154	2012-04-11 10:52:36	Eve	accepted	2.54	48M	C++ 4.3.2
155	2011-11-26 12:59:40	Fotile	accepted	2.55	38M	C++ 4.3.2
156	2012-08-24 11:48:50	SWOOSH!!!	accepted	2.55	27M	C++ 4.3.2
157	2013-05-23 11:36:07	wereFluke	accepted	2.55	76M	C++ 4.3.2
158	2014-08-21 03:18:08	Lawrence Li	accepted	2.55	154M	C++ 4.3.2
159	2015-06-04 18:17:24	ecnerwal	accepted	2.55	26M	CPP14
160	2011-01-30 03:03:37	lantian	accepted	2.56	48M	C++ 4.3.2