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LeetCode OJ 114. Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: click to show hints. Subscribe to se ...
分类:其他好文   时间:2017-01-01 20:39:08    阅读次数:168
Leetcode 114, Flatten Binary Tree to Linked List
根据提示,本题等价于pre order traverse遍历,并且依次把所有的节点都存成right child,并把left child定义成空集。用递归的思想,那么如果分别把左右子树flatten成list,我们有: 1 / \ 2 5 \ \ 3 6 <- rightTail \ 4 <- le ...
分类:其他好文   时间:2016-12-19 09:04:39    阅读次数:133
[RxJS] Flatten a higher order observable with concatAll in RxJS
Besides switch and mergeAll, RxJS also provides concatAll as a flattening operator. In this lesson we will see how concatAll handles concurrent inner ...
分类:Web程序   时间:2016-12-16 22:50:19    阅读次数:212
[RxJS] Flatten a higher order observable with mergeAll in RxJS
Among RxJS flattening operators, switch is the most commonly used operator. However, it is important to get acquainted with mergeAll, another flatteni ...
分类:Web程序   时间:2016-12-16 22:36:37    阅读次数:166
geojson数据类型面转线Transforms Polygons and MultiPolygons to LineStrings.
function flatten(array) { return [].concat.apply([], array); } function polygonToLineString(coordinates, properties) { return coordinates.map(function... ...
分类:Web程序   时间:2016-12-14 11:42:48    阅读次数:1278
Leetcode: Flatten Nested List Iterator
非常精巧地使用stack。push all the nestedList into the stack from back to front,so when we pop the stack, it returns the very first element 执行hasNext()的时候,如果pe ...
分类:其他好文   时间:2016-11-24 09:19:40    阅读次数:202
LeetCode114 Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place. (Medium) For example,Given The flattened tree should look like: 分析: 将树的问题和链表插入问题结合。对于每个节点,寻 ...
分类:其他好文   时间:2016-11-17 00:32:47    阅读次数:230
lodash源码(2)
1.flatten 对深层嵌套数组的抹平 -11479287884122 1479287884172 501479287884174 1479287884199 25 20000001479287884199 1479287884224 25 2000000 ...
分类:其他好文   时间:2016-11-16 19:58:37    阅读次数:191
scala学习之: Flatten a nested list structure
题目要求: 参考:http://blog.thedigitalcatonline.com/blog/2015/04/07/99-scala-problems-07-flatten/#.WBsDFPl97IU 针对一个list, 将其内部嵌套的元素拿出来,形成一个新的list。 思路: 使用flatM ...
分类:其他好文   时间:2016-11-03 18:22:09    阅读次数:207
114. Flatten Binary Tree to Linked List
Given a binary tree, flatten it to a linked list in-place. For example,Given 1 / \ 2 5 / \ \ 3 4 6 The flattened tree should look like: 1 \ 2 \ 3 \ 4 ...
分类:其他好文   时间:2016-10-12 07:08:09    阅读次数:168
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