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class="post-bg" src="https://plus.unsplash.com/premium_photo-1680608979589-e9349ed066d5?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=764&q=80" onerror="this.onerror=null;this.src='/yh/img/404.jpg'" alt="二分查找"></a></div><div class="recent-post-info"><a class="article-title" href="/yh/2023/04/22/%E4%BA%8C%E5%88%86%E6%9F%A5%E6%89%BE/" title="二分查找">二分查找</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2023-04-22T08:22:00.000Z" title="发表于 2023-04-22 16:22:00">2023-04-22</time></span></div><div class="content">二分查找二分查找：以升序数列为例，比较一个元素与数列中的中间位置的元素的大小，如果比中间位置的元素大，则继续在后半部分的数列中进行二分查找；如果比中间位置的元素小，则在数列的前半部分进行比较；如果相等，则找到了元素的位置。每次比较的数列长度都会是之前数列的一半，直到找到相等元素的位置或者最终没有找到要找的元素。
二分查找基础版：123456789101112131415161718192021222324/** * 二分查找基础版 * @param a 传入一个升序的整型数组 * @param target 传入要查找的值 * @return 返回查到元素的下标，未查到返回-1 */public static int binarySearchBasic(int[] a, int target) { int i = 0, j = a.length - 1; // 设置指针和初值 while (i <= j) { // 范围内有东西 注意是小于等于(问题1：若是小于则出现漏掉情况) //向下取整，找到中间值 // ...</div></div></div><div class="recent-post-item"><div class="post_cover left"><a href="/yh/2023/04/20/%E7%AC%AC%E4%B8%80%E7%AF%87/" title="第一篇文章"><img class="post-bg" src="https://images.unsplash.com/photo-1681814308040-9fa0a315fe81?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1074&q=80" onerror="this.onerror=null;this.src='/yh/img/404.jpg'" alt="第一篇文章"></a></div><div class="recent-post-info"><a class="article-title" href="/yh/2023/04/20/%E7%AC%AC%E4%B8%80%E7%AF%87/" title="第一篇文章">第一篇文章</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2023-04-20T07:01:00.000Z" title="发表于 2023-04-20 15:01:00">2023-04-20</time></span></div><div class="content">date: 2023/4/20 15:01
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