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Bzoj 5195 [Usaco2018 Feb]Directory Traversal
Descrtiption 奶牛Bessie令人惊讶地精通计算机。她在牛棚的电脑里用一组文件夹储存了她所有珍贵的文件,比如: ~~~ bessie/ folder1/ ? file1 ? folder2/ ? file2 folder3/ ? file3 file4 ~~~ 只有一个“顶层”的文件夹, ...
分类:其他好文   时间:2018-10-28 21:56:58    阅读次数:166
[leetcode]297. Serialize and Deserialize Binary Tree 序列化与反序列化二叉树
Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer, or ...
分类:其他好文   时间:2018-10-18 11:01:52    阅读次数:235
429. N-ary Tree Level Order Traversal
Given an n-ary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example, given a 3-ary tree: ...
分类:其他好文   时间:2018-10-14 21:59:27    阅读次数:137
[leetcode] Binary Tree Level Order Traversal
Binary Tree Level Order Traversal Ⅰ Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by leve ...
分类:其他好文   时间:2018-10-13 02:34:51    阅读次数:154
Linux lynx的安装和介绍
lynx有一个 -traversal 选项,能够以递归的方式访问网站并建立网站中所有超链接的列表;
分类:系统相关   时间:2018-10-07 14:41:47    阅读次数:273
[LeetCode&Python] Problem 589. N-ary Tree Preorder Traversal
Given an n-ary tree, return the preorder traversal of its nodes' values. For example, given a 3-ary tree: Return its preorder traversal as: [1,3,5,6,2 ...
分类:编程语言   时间:2018-10-05 14:08:35    阅读次数:192
114. Flatten Binary Tree to Linked List
一、题目 1、审题 2、分析 给出一棵二叉树,按照先序遍历顺序组成一棵斜右二叉树。 二、解答 1、思路: 方法一、 采用一个栈进行先序遍历,遍历时将节点重新组装。 方法二、 采用递归 递归实现 右-->左-->根 遍历,并拼接原二叉树的节点顺序。 方法三、 采用 Morris Traversal 方 ...
分类:其他好文   时间:2018-10-04 23:06:15    阅读次数:230
[LeetCode] 106. Construct Binary Tree from Inorder and Postorder Traversal 由中序和后序遍历建立二叉树
Given inorder and postorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For example, ...
分类:其他好文   时间:2018-10-03 23:38:19    阅读次数:154
[LeetCode] 105. Construct Binary Tree from Preorder and Inorder Traversal 由先序和中序遍历建立二叉树
Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For example, ...
分类:其他好文   时间:2018-10-03 21:54:52    阅读次数:120
[LeetCode] 255. Verify Preorder Sequence in Binary Search Tree 验证二叉搜索树的先序序列
Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary search tree. You may assume each number in the seq ...
分类:其他好文   时间:2018-10-02 14:20:32    阅读次数:165
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