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二分法查找介绍
更新时间： 2021-02-14 23:28:21  

1、算法：二分法查找适用于数据量较大时，但是数据需要先排好顺序。

2、主要思想是：（设查找的数组区间为array[low, high]）确定该区间的中间位置K。将查找的值T与array[k]比较。若相等，查找成功返回此位置；否则确定新的查找区域，继续二分查找。区域确定如下：a.array[k]>T 由数组的有序性可知array[k,k+1,……,high]>T;故新的区间为array[low,……，K-1]b.array[k]

关键词： 二分 查找 介绍

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