There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop roll ...
分类：
其他好文 时间：
2019-12-08 10:24:10
阅读次数：
84
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowes ...
分类：
其他好文 时间：
2019-12-08 01:34:55
阅读次数：
120
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia ...
分类：
其他好文 时间：
2019-12-08 00:58:19
阅读次数：
99
解决办法是在文件/etc/profile末尾添加一行 echo 'export LC_ALL="en_US.UTF-8"' >> /etc/profile source /etc/profile ...
分类：
系统相关 时间：
2019-12-08 00:51:13
阅读次数：
86
1.网卡的基本机构 网卡包含7个功能模块，分别是CU（Control Unit，控制单元）、OB（Output Buffer，输出缓存）、IB（Input Buffer，输入缓存）、LC（Line Coder，线路编码器）、LD（Line Decoder，线路解码器）、TX（Transmitter， ...
分类：
其他好文 时间：
2019-12-07 21:17:30
阅读次数：
224
Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. Example ...
分类：
其他好文 时间：
2019-12-07 12:18:43
阅读次数：
81
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note:You may assume k is always valid, 1 ≤ k ≤ BST's ...
分类：
其他好文 时间：
2019-12-07 10:18:19
阅读次数：
76
There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up, down, left or right, but it won't stop roll ...
分类：
其他好文 时间：
2019-12-06 13:57:19
阅读次数：
102
* @lc app=leetcode.cn id=236 lang=cpp * * [236] 二叉树的最近公共祖先 * * https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/description/ * ...
分类：
其他好文 时间：
2019-12-06 13:49:58
阅读次数：
88
Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen ...
分类：
其他好文 时间：
2019-12-05 12:59:30
阅读次数：
81
