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确实可以，算log确实花时间挺长的

Posted by limingfei at 2007-10-18 22:43:46 on Problem 3250 and last updated at 2007-10-18 22:44:12
In Reply To:不会超 Posted by:laisiwei at 2007-10-18 22:05:39 
把log2(x)用数组存起来的：
2801814	limingfei	3250	Accepted	16600K	575MS	G++	2174B	2007-10-18 22:36:18

直接用log2(x)算的
2801831	limingfei	3250	Accepted	16284K	903MS	G++	2189B	2007-10-18 22:39:17

用log(x) / log(2)算的
2801837	limingfei	3250	Time Limit Exceeded			G++	2196B	2007-10-18 22:41:50

以前都不知道有log2这个函数，看来以后写RMQ都要把log2(x)存起来……
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