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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
161	2013-02-16 05:47:19	Lu Litao	100	1.43	8.4M	C++ 4.3.2
162	2013-02-19 04:09:58	XIANG Lebin	100	0.91	69M	C++ 4.3.2
163	2013-02-20 12:43:11	liu	100	1.35	29M	C++ 4.3.2
164	2013-02-25 12:59:05	linzequn	100	1.09	15M	C++ 4.3.2
165	2013-03-02 09:01:34	wzc1995	100	1.37	15M	C++ 4.3.2
166	2013-03-04 13:46:56	963852741	100	1.37	119M	C++ 4.3.2
167	2013-03-10 13:21:26	Questa Notte	100	1.17	15M	C++ 4.3.2
168	2013-03-20 13:11:32	ZYF	100	1.29	19M	C++ 4.3.2
169	2013-03-21 05:10:20	hzc	100	1.29	15M	C++ 4.3.2
170	2013-03-23 12:28:47	LiuBofeng	100	1.29	14M	C++ 4.3.2
171	2013-03-27 16:10:05	a19891101	100	1.37	9.6M	C++ 4.3.2
172	2013-04-01 22:59:41	にまび	100	1.42	9.5M	C++ 4.3.2
173	2013-04-11 10:10:29	Frank	100	1.34	17M	C++ 4.3.2
174	2013-04-15 14:46:50	Neil Christian Sun	100	1.29	120M	C++ 4.3.2
175	2013-04-21 15:57:49	Jin Ce	100	1.29	9.5M	C++ 4.3.2
176	2013-04-26 14:21:34	nblt	100	1.29	13M	C++ 4.3.2
177	2013-04-26 15:38:06	chenfangying	100	1.29	32M	C++ 4.3.2
178	2013-04-27 04:19:49	Z. Shi	100	1.14	17M	C++ 4.3.2
179	2013-05-14 02:08:40	Nguyên	100	1.37	18M	C++ 4.3.2
180	2013-05-16 09:35:28	stupidboy	100	1.19	8.5M	C++ 4.3.2