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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
141	2015-04-04 22:18:38	Priyanshu Singh	100	1.74	19M	CPP
142	2015-04-14 08:14:10	zxcasd	100	1.59	21M	CPP
143	2015-04-22 02:26:38	马晨昊	100	2.36	19M	CPP
144	2015-04-23 02:38:45	fan_hd	100	0.69	14M	CPP
145	2015-04-23 15:14:42	Luis Manuel Díaz Barón	100	1.30	19M	CPP
146	2015-05-17 08:28:53	wjz	100	1.99	5.8M	CPP
147	2015-05-17 08:53:40	Kevin Liu	100	1.58	13M	CPP
148	2015-05-17 14:33:22	Willy Soesanto	100	1.35	14M	CPP
149	2015-05-22 13:27:36	saodem74	100	2.29	11M	CPP
150	2015-06-05 14:39:24	bystander	100	2.00	23M	CPP
151	2015-06-10 10:56:32	Shen Chuyan	100	1.83	17M	CPP
152	2015-06-16 07:51:48	Hrishikesh Vaidya	100	2.37	17M	CPP
153	2015-06-17 06:44:12	Mateus Bezrutchka	100	1.44	19M	CPP
154	2015-06-21 19:12:31	Lê Quang Tuấn	100	1.23	17M	CPP
155	2015-07-07 13:23:46	RXDoi	100	1.01	11M	CPP
156	2015-07-08 18:58:51	parijat bhatt	100	1.33	17M	CPP
157	2015-07-14 05:27:27	Nguyen Long Nhat	100	1.37	15M	CPP
158	2015-07-20 04:10:03	Abhay Garg	100	1.92	18M	CPP
159	2015-07-27 05:25:15	Anonymous	100	1.38	15M	CPP
160	2015-07-31 17:00:40	MikuLover	100	1.07	13M	CPP