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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
201	2016-05-16 09:44:26	TtZzNn	100	1.99	16M	CPP
202	2016-05-17 05:16:18	zhan8855	100	1.52	16M	CPP
203	2016-05-18 13:43:44	Lam Nguyen	100	2.29	17M	CPP
204	2016-05-27 17:10:17	ujzwt4it	100	1.18	13M	CPP
205	2016-06-08 17:33:47	tester	100	2.27	30M	CPP
206	2016-06-17 02:34:58	zrq	100	1.86	19M	CPP
207	2016-06-17 11:57:45	y	100	1.82	14M	CPP
208	2016-06-26 11:32:03	shubh1317	100	2.11	24M	CPP
209	2016-08-08 11:54:59	Lucida	100	1.23	19M	CPP
210	2016-08-19 13:53:31	lplpxxx	100	1.09	14M	CPP
211	2016-08-27 10:16:33	bryant03	100	1.20	24M	CPP
212	2016-08-29 10:30:19	谢炸河最腻害	100	1.42	113M	CPP
213	2016-09-08 17:21:39	xubtoi	100	1.45	6.1M	CPP
214	2016-09-25 11:44:29	poman	100	5.36	11M	CPP
215	2016-09-26 17:44:15	sarkysaurabh	100	0.73	15M	CPP
216	2016-10-06 02:20:15	Heathcliff	100	0.89	17M	CPP
217	2016-10-13 01:48:13	Vladik	100	1.64	123M	CPP
218	2016-10-18 02:09:51	Spitfire	100	1.57	76M	CPP
219	2016-10-25 17:56:59	Tran Hieu	100	1.98	20M	CPP
220	2016-11-04 22:47:03	Shubham Sinha	100	1.60	23M	CPP