js实现无限层级树形数据结构(创新算法) 转载:https://blog.csdn.net/Mr_JavaScript/article/details/82817177 由于做项目的需要,把一个线性数组转成树形数组,在网上查了很多文章,觉得他们写的太复杂了,于是自己写了一个,在折腾了一下午终于把它写出来啦(激动.gif),用两个filter过滤器就搞定了,代码简洁明了,数据结构小白都能看懂. js代码:把线性数据转成树形数据 function setTreeData(data){ let clo
Data Structure? Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description Data structure is one of the basic skills for Computer Science students, which is a particular way of storing and organizing data
The Query on the Tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 57 Accepted Submission(s): 20 Problem Description 度度熊近期沉迷在和树有关的游戏了.他一直觉得树是最奇妙的数据结构. 一天他遇到这样一个问题: 有一棵树,树的每一个点有点权,每次有三种操作:
Description There is an apple tree outside of kaka's house. Every autumn, a lot of apples will grow in the tree. Kaka likes apple very much, so he has been carefully nurturing the big apple tree. The tree has N forks which are connected by branches.
Data.Tree data Tree a = Node { rootLabel :: a, subForest :: Forest a } deriving (Eq, Read, Show) type Forest a = [Tree a] Data.Tree 是一种非空(存在根节点),可以有无限分支,每个节点均可有多路分支的Tree类型. Prelude Data.Tree> :t Node 1 Node 1 :: Num a => Forest a -> Tree a Prelud
Tree 数据转换 所有节点都包含以下属性: id:节点id,这个很重要到加载远程服务器数据 which is important to load remote data text: 显示的节点文本 state: 节点状态, 'open' 或者 'closed', 默认是 'open'. 当设置为 'closed', 节点所有的子节点将从远程服务器站点加载 checked: 指明检查节点是否选中. attributes: 可以添加到节点的自定义属性 children: 一个节点数组,定义一些子节