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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
2236	10680	9300	0	480	0	0

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2008-07-29 12:37:24	Thủy Tiên	100	0.05	9.0M	PAS-FPC
2	2008-08-18 20:01:33	Gothdn	100	0.05	15M	PAS-FPC
3	2008-10-14 13:35:19	Lox	100	0.05	7.3M	PAS-FPC
4	2008-11-05 13:16:41	bt14 [Trần Đăng Khoa]	100	0.05	9.0M	PAS-FPC
5	2009-02-21 11:40:05	XiaoLiuMingJing	100	0.05	14M	PAS-FPC
6	2009-02-22 12:19:35	cutedog	100	0.05	14M	PAS-FPC
7	2009-02-23 03:49:47	piyifan	100	0.05	14M	PAS-FPC
8	2009-03-21 19:34:13	Gennady Korotkevich	100	0.05	11M	PAS-FPC
9	2009-04-16 04:53:22	Lv Xiao	100	0.05	14M	PAS-FPC
10	2009-06-15 04:57:22	yuyan	100	0.05	23M	PAS-FPC
11	2009-06-21 08:34:31	WinterLegend	100	0.05	11M	PAS-FPC
12	2009-06-30 07:31:24	Lv Weicong	100	1.23	11M	PAS-FPC
13	2009-10-14 12:55:30	senga	100	0.05	10M	PAS-FPC
14	2010-01-13 19:02:15	Voyage	100	0.05	11M	PAS-FPC
15	2010-01-17 17:22:36	Phạm Thanh Tùng	100	0.05	10M	PAS-FPC
16	2010-03-03 13:24:31	Sachs	100	0.05	14M	PAS-FPC
17	2010-03-19 18:10:56	ctna	100	0.05	17M	PAS-FPC
18	2010-04-04 07:47:52	Colin Wu	100	0.05	6.4M	PAS-FPC
19	2010-04-08 16:55:06	He Wenge	100	1.54	6.0M	PAS-FPC
20	2010-04-16 20:08:18	Sergey Kulik	100	0.05	15M	PAS-FPC