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二维寻址要用乘法和加法，一维只用加法。In Reply To:请教一下，滚动数组为什么能节约时间？ Posted by:comerpass at 2005-08-21 19:52:42 > > 这里指的滚动数组是指用两个指针实现的那种吗，在算完一个阶段的时候，两个指针交换一下， > > 如果是那样的话感觉应该是时间上是一样的啊，只能节省一点空间？ Followed by:
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