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前言二分查找也称折半查找（Binary Search），是一种效率较高的查找方法（对数时间复杂度），也是面试中经常考到的问题。虽然它的思想很简单，但据《编程珠玑》所述，二分查找算法的实现是极易犯错的，典型的 “一听就懂，一写就错”。在算法面试中࿰...

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给定一个排序的整数数组（升序）和一个要查找的整数target，用O(logn)的时间查找到target第一次出现的下标（从0开始），如果target不存在于数组中，返回-1。在线评测地址： LintCode 领扣样例 1: 输入:[1,4,4,5,7,7,8,9,9,10]，1输出:...

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更新时间 2024-02-22 10:36:09

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