论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业

<p><span style="color: rgb(94, 94, 94); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 15px; background-color: rgb(255, 255, 255);">排序&gt;&gt;选择排序&gt;&gt;堆排序</span></p><p><span style="color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 15px; background-color: rgb(255, 255, 255);">List:</span></p><p><img src="/Public/forum/ueditor/image/20180427/1524792880966317.png" title="1524792880966317.png" alt="image.png"/></p><ol style="border: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; list-style-position: outside; list-style-image: initial; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>start</p></li></ol><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">基本概念：</p><p style="text-align: center"><img src="/Public/forum/ueditor/image/20180427/1524792969621451.gif" alt="1524792969621451.gif"/></p><p><img src="/Public/forum/ueditor/image/20180427/1524792976546637.png" title="1524792976546637.png" alt="image.png"/></p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">堆为一棵完全二叉树，每个节点值都&gt;=子节点值</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">堆排序根据这个特性，首先将所有元素建立堆，然后一个个取出，即有序的</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">堆中每个节点的位置：</p><p><img src="/Public/forum/ueditor/image/20180427/1524792986483297.png" title="1524792986483297.png" alt="image.png"/></p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">最大堆主要操作逻辑：</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">插入：将新元素加入完全二叉树最后一个节点，依次往上，调整直到满足父节点值都&gt;=子节点值</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">删除：移除根节点，将最后一个节点拿到根节点，依次往下，调整</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">原始:</p><p><img src="/Public/forum/ueditor/image/20180427/1524792997748143.png" title="1524792997748143.png" alt="image.png"/></p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">插入操作：12，先假定放在最后一个位置，然后从这个节点开始往上，同父节点比较，依次调整</p><p><img src="/Public/forum/ueditor/image/20180427/1524793007845851.png" title="1524793007845851.png" alt="image.png"/></p><p><span style="color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 15px; background-color: rgb(255, 255, 255);">删除：取走11，将最后一个元素8移到根节点，从上往下，重新调整</span></p><p><span style="color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 15px; background-color: rgb(255, 255, 255);"><img src="/Public/forum/ueditor/image/20180427/1524793023696499.png" title="1524793023696499.png" alt="image.png"/></span></p><p></p><ol style="border: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; list-style-position: outside; list-style-image: initial; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);" class=" list-paddingleft-2"><li><p>start</p></li></ol><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">根据公式，我们可以使用数组模拟实现完全二叉树(不使用首个位置)</p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">首先，我们先实现堆:</p><p><img src="/Public/forum/ueditor/image/20180427/1524793045183620.png" title="1524793045183620.png" alt="image.png"/></p><p><span style="background-color: rgb(255, 255, 255);"><img src="/Public/forum/ueditor/image/20180427/1524793056372867.png" title="1524793056372867.png" alt="image.png"/></span><br/></p><p></p><p style="border: 0px; margin-top: 0px; margin-bottom: 20px; padding: 0px; font-size: 15px; color: rgb(46, 46, 46); font-family: &quot;Microsoft YaHei&quot;, 宋体, &quot;Myriad Pro&quot;, Lato, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">然后，实现排序过程：</p><p><img src="/Public/forum/ueditor/image/20180427/1524793166757975.png" title="1524793166757975.png" alt="image.png"/><span style="background-color: rgb(255, 255, 255);"></span><br/></p><p><br/></p>

论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业