<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[witch2026的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/witch2026</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; witch2026]]></copyright><item><title><![CDATA[力扣刷题Day24]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/130447335</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/130447335</guid><author>witch2026</author><pubDate>Mon, 01 May 2023 16:40:22 +0800</pubDate><description><![CDATA[回溯算法中的子集变种和排列问题：递增子序列、全排列、全排列II]]></description><category></category></item><item><title><![CDATA[力扣刷题Day23]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/130373805</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/130373805</guid><author>witch2026</author><pubDate>Sat, 29 Apr 2023 16:09:57 +0800</pubDate><description><![CDATA[回溯算法在切割子集问题上的应用：复原IP地址、子集、子集II]]></description><category></category></item><item><title><![CDATA[力扣刷题Day22]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/130290018</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/130290018</guid><author>witch2026</author><pubDate>Fri, 21 Apr 2023 22:21:41 +0800</pubDate><description><![CDATA[回溯算法：组合总和（没有层数限制）、组合总和III(采用used标记对树层去重)、分割回文串]]></description><category></category></item><item><title><![CDATA[力扣刷题Day21]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/129791006</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/129791006</guid><author>witch2026</author><pubDate>Mon, 27 Mar 2023 13:56:10 +0800</pubDate><description><![CDATA[回溯算法：理论基础、例题：组合、组合III、电话的字母组合]]></description><category></category></item><item><title><![CDATA[力扣刷题Day20]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/129684227</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/129684227</guid><author>witch2026</author><pubDate>Tue, 21 Mar 2023 13:17:25 +0800</pubDate><description><![CDATA[重构二叉搜索树的方法：修剪二叉树、将有序数组转换成二叉搜索树、将二叉搜索树转换成累加树]]></description><category></category></item><item><title><![CDATA[力扣刷题Day19]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/129667945</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/129667945</guid><author>witch2026</author><pubDate>Mon, 20 Mar 2023 16:49:24 +0800</pubDate><description><![CDATA[二叉搜索树的特性：二叉搜索树的公共祖先，添加和删除节点操作]]></description><category></category></item><item><title><![CDATA[力扣刷题Day18]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/128071900</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/128071900</guid><author>witch2026</author><pubDate>Sun, 04 Dec 2022 11:56:57 +0800</pubDate><description><![CDATA[二叉树的有序性（中序遍历）应用以及二叉树的后序遍历应用：二叉搜索树的最小值、二叉搜索树的众树、二叉树的最近公共祖先]]></description><category></category></item><item><title><![CDATA[力扣刷题Day17]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127989554</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127989554</guid><author>witch2026</author><pubDate>Sun, 27 Nov 2022 23:17:32 +0800</pubDate><description><![CDATA[二叉树的不同递归遍历方式的灵活运用：最大二叉树、合并二叉树、二叉树的搜索、验证二叉树]]></description><category></category></item><item><title><![CDATA[力扣刷题Day16]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127974532</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127974532</guid><author>witch2026</author><pubDate>Tue, 22 Nov 2022 20:30:32 +0800</pubDate><description><![CDATA[二叉树递归+回溯的解法，二叉树递归+二分法的实现：找树左下角的值、 路径总和、  113.路径总和ii、从中序与后序遍历序列构造二叉树、从前序与中序遍历序列构造二叉树]]></description><category></category></item><item><title><![CDATA[力扣刷题Day15]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127961216</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127961216</guid><author>witch2026</author><pubDate>Mon, 21 Nov 2022 22:42:10 +0800</pubDate><description><![CDATA[后序遍历中的递归求和思路实现，递归+回溯的使用：平衡二叉树、二叉树的所有路径、左叶子之和]]></description><category></category></item><item><title><![CDATA[力扣刷题Day13&Day14]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127661113</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127661113</guid><author>witch2026</author><pubDate>Fri, 04 Nov 2022 21:46:46 +0800</pubDate><description><![CDATA[采用二叉树的后序遍历进行更简洁的解题，二叉树的各种遍历方式在解题中的应用：翻转二叉树、对称二叉树、二叉树的最大深度、n叉树的最大深度、二叉树的最小深度、完全二叉树的节点个数]]></description><category></category></item><item><title><![CDATA[力扣刷题Day12]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127563273</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127563273</guid><author>witch2026</author><pubDate>Mon, 31 Oct 2022 22:52:14 +0800</pubDate><description><![CDATA[二叉树的理论基础，二叉树的递归遍历方式 - 前中后序遍历；二叉树的迭代遍历方式 - 前中后序遍历；二叉树的层序遍历，以及层序遍历相关的力扣题。]]></description><category></category></item><item><title><![CDATA[力扣刷题Day11]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127542245</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127542245</guid><author>witch2026</author><pubDate>Thu, 27 Oct 2022 20:12:51 +0800</pubDate><description><![CDATA[队列的相关应用题，优先队列的使用：滑动窗口最大值、前k个高频元素；栈的使用：简化linux系统中的文件路径]]></description><category></category></item><item><title><![CDATA[力扣刷题Day9&10]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127481491</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127481491</guid><author>witch2026</author><pubDate>Sun, 23 Oct 2022 23:59:17 +0800</pubDate><description><![CDATA[队列与栈的基础理论，以及常见力扣题：用栈实现队列、用队列实现栈、有效的括号、删除相邻重复字符、逆波兰表达式]]></description><category></category></item><item><title><![CDATA[力扣刷题Day7&Day8]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127437398</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127437398</guid><author>witch2026</author><pubDate>Sun, 23 Oct 2022 10:09:23 +0800</pubDate><description><![CDATA[复习了字符串中的常见力扣题：反转字符串、k个字符中循环反转字符串、替换空格、翻转字符串里的单词、左旋转字符串、字符串匹配、重复子串]]></description><category></category></item><item><title><![CDATA[力扣刷题Day6]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127398700</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127398700</guid><author>witch2026</author><pubDate>Wed, 19 Oct 2022 00:21:19 +0800</pubDate><description><![CDATA[hashset以及hashmap的一些经典力扣题应用]]></description><category></category></item><item><title><![CDATA[力扣刷题Day5]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127379685</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127379685</guid><author>witch2026</author><pubDate>Tue, 18 Oct 2022 22:27:21 +0800</pubDate><description><![CDATA[hash表理论知识、力扣常见题]]></description><category></category></item><item><title><![CDATA[力扣刷题Day4]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127341798</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127341798</guid><author>witch2026</author><pubDate>Sun, 16 Oct 2022 13:24:24 +0800</pubDate><description><![CDATA[快慢指针在环形链表的解题思路，链表交换节点的方法]]></description><category></category></item><item><title><![CDATA[力扣刷题Day3]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127328536</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127328536</guid><author>witch2026</author><pubDate>Sat, 15 Oct 2022 21:19:15 +0800</pubDate><description><![CDATA[链表相关知识、设计链表、翻转链表]]></description><category></category></item><item><title><![CDATA[力扣刷题Day2]]></title><link>https://blog.youkuaiyun.com/witch2026/article/details/127305258</link><guid>https://blog.youkuaiyun.com/witch2026/article/details/127305258</guid><author>witch2026</author><pubDate>Thu, 13 Oct 2022 23:46:51 +0800</pubDate><description><![CDATA[常见数组力扣题]]></description><category></category></item></channel></rss>