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树状数组虽然方便,但是不如线段树灵活,可以用树状数组的地方都能用线段树,反之不然

Posted by achilles at 2006-12-28 20:21:47 on Problem 2828
In Reply To:Re:你这样不是log(n)的. Posted by:richardxx at 2006-12-28 20:19:55 
> 我不知道如果沿用这个方法怎么达到log(n),或者是否只能使用线段树？
> 谢谢。
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