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刷题2. Add Two Numbers
一、题目要求 You are given two non empty linked lists representing two non negative integers. The digits are stored in reverse order and each of their nodes ...
分类:其他好文   时间:2020-01-23 12:26:54    阅读次数:77
PAT Advanced 1043 Is It a Binary Search Tree (25分)
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes ...
分类:其他好文   时间:2020-01-23 09:27:17    阅读次数:80
[LeetCode] 928. Minimize Malware Spread II 最大程度上减少恶意软件的传播之二
(This problem is the same as Minimize Malware Spread , with the differences bolded.) In a network of nodes, each node is directly connected to another ...
分类:其他好文   时间:2020-01-22 14:25:47    阅读次数:117
1325. Delete Leaves With a Given Value
Given a binary tree root and an integer target, delete all the leaf nodes with value target. Note that once you delete a leaf node with value target,  ...
分类:其他好文   时间:2020-01-22 11:06:54    阅读次数:64
Redis集群之常用操作
记录有关redis cluster 集群相关操作 一. 命令行 //集群(cluster) CLUSTER INFO 打印集群的信息 CLUSTER NODES 列出集群当前已知的所有节点(node),以及这些节点的相关信息。 //节点(node) CLUSTER MEET <ip> <port> ...
分类:其他好文   时间:2020-01-19 16:30:16    阅读次数:89
[LC] 314. Binary Tree Vertical Order Traversal
Given a binary tree, return the vertical order traversal of its nodes' values. (ie, from top to bottom, column by column). If two nodes are in the sam ...
分类:其他好文   时间:2020-01-19 00:06:21    阅读次数:82
Vue demo
<div id="app"> <table class="table table-bordered"> <tr v-for="item in workFlow"> <td> {{item.name}} </td> <td> {{getNodeStr(item.nodes)}} </td> <td> ...
分类:其他好文   时间:2020-01-16 19:16:58    阅读次数:74
[LC] 156. Binary Tree Upside Down
Given a binary tree where all the right nodes are either leaf nodes with a sibling (a left node that shares the same parent node) or empty, flip it up ...
分类:其他好文   时间:2020-01-15 13:37:21    阅读次数:80
vue的特殊特性——key
key 的特殊属性主要用在 Vue 的虚拟 DOM 算法,在新旧 nodes 对比时辨识 VNodes。如果不使用 key,Vue 会使用一种最大限度减少动态元素并且尽可能的尝试就地修改/复用相同类型元素的算法。而使用 key 时,它会基于 key 的变化重新排列元素顺序,并且会移除 key 不存在 ...
分类:其他好文   时间:2020-01-14 13:18:42    阅读次数:92
[LC] 250. Count Univalue Subtrees
Given a binary tree, count the number of uni-value subtrees. A Uni-value subtree means all nodes of the subtree have the same value. Example : Input: ...
分类:其他好文   时间:2020-01-14 12:56:57    阅读次数:59
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