leetcode Binary Tree Zigzag Level Order Traversal
来源：互联网 发布：seo软件工具 编辑：程序博客网 时间：2024/06/11 15:35
其实递归就是DSF 层iterative就是BSF
这次用递归，用头插法保证逆序，
关键在结果的list<list>中外层用arraylist实现，内层用linkedlist实现，非常巧妙原因是
定位哪层属于查找，用数组能保证o（1）的复杂度，然后在那层插入元素采用链表也是为了保证o（1）的复杂度。
0 0
- LeetCode: Binary Tree Zigzag Level Order Traversal
- [LeetCode]Binary Tree Zigzag Level Order Traversal
- LeetCode Binary Tree Zigzag Level Order Traversal
- [Leetcode] Binary Tree Zigzag Level Order Traversal
- Leetcode: Binary Tree Zigzag Level Order Traversal
- LeetCode Binary Tree Zigzag Level Order Traversal
- [LeetCode] Binary Tree Zigzag Level Order Traversal
- [Leetcode] Binary Tree Zigzag Level Order Traversal
- 【leetcode】Binary Tree Zigzag Level Order Traversal
- [LeetCode]Binary Tree Zigzag Level Order Traversal
- [Leetcode]Binary Tree Zigzag Level Order Traversal
- [leetcode]Binary Tree Zigzag Level Order Traversal
- Leetcode: Binary Tree Zigzag Level Order Traversal
- LeetCode-Binary Tree Zigzag Level Order Traversal
- [leetcode] Binary Tree Zigzag Level Order Traversal
- LeetCode - Binary Tree Zigzag Level Order Traversal
- LeetCode:Binary Tree Zigzag Level Order Traversal
- [LeetCode] Binary Tree Zigzag Level Order Traversal
- Java加密算法笔记
- c++map的用法
- poj1696 凸包
- java反射机制浅析
- C#中循环获取枚举中的名称和值
- leetcode Binary Tree Zigzag Level Order Traversal
- UiAutomator实现打电话功能
- OnTouchListener和OnCliskListener
- uploadify与jquery1.10 在ie浏览器冲突报错处理（e.getAttribute("classid")缺少对象
- Nginx配置
- Java虚拟机类加载顺序
- Hadoop家族系列文章
- JS function 传递时间参数无法读取的问题
- eclipse ide for java ee developers 开发环境搭建详解图文
