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Query on a tree again! statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
2241	10691	9311	0	480	0	0

RANK	DATE	USER	RESULT	TIME	MEM	LANG
101	2013-09-20 12:15:24	ksper	100	1.19	15M	CPP
102	2013-10-27 06:06:51	zeulb	100	1.37	19M	CPP
103	2013-11-08 12:30:34	Yevgen	100	1.29	14M	CPP
104	2013-11-08 19:25:54	Elene	100	1.30	16M	CPP
105	2013-12-02 18:16:08	Panagiotis Kostopanagiotis	100	1.35	15M	CPP
106	2013-12-02 21:34:52	Aristofanis Rontogiannis	100	1.41	16M	CPP
107	2013-12-11 20:07:52	Sadia Atique	100	0.68	14M	CPP
108	2014-03-31 14:08:10	zzh	100	1.29	17M	CPP
109	2014-04-09 17:27:05	gskhirtladze	100	1.64	21M	CPP
110	2014-04-15 11:27:39	Jinkun Lin	100	1.03	13M	CPP
111	2014-05-05 11:35:07	sherlocked	100	1.03	70M	CPP
112	2014-05-20 16:03:14	Leo Jacob	100	0.81	13M	CPP
113	2014-06-27 07:41:33	osb	100	1.29	17M	CPP
114	2014-06-28 04:27:33	ByambadorjP	100	1.29	14M	CPP
115	2014-07-28 21:30:47	Free	100	1.30	15M	CPP
116	2014-08-27 12:03:55	kuangbin	100	1.33	11M	CPP
117	2014-09-17 10:44:58	luoyongdai	100	1.64	7.0M	CPP
118	2014-09-18 17:18:27	Ben Hachimori	100	1.29	18M	CPP
119	2014-10-17 17:05:55	hash	100	1.72	12M	CPP
120	2014-12-15 00:36:42	Yash Sadhwani	100	0.87	16M	CPP