原文:Flatten Binary Tree to Linked List leetcode java

题目: Given a binary tree, flatten it to a linked list in place. For example, Given The flattened tree should look like: TreeNodelastvisited null public voidflatten TreeNoderoot if root null return Tre ...

2014-07-24 00:08 0 4530 推荐指数:

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二叉树转为单链表——Flatten Binary Tree to Linked List

给定一刻二叉树,将二叉树按照前序遍历的顺序转为单链表,右指针指向next,左指针指向None 1、分治法:将左、右子树变为单链表,分别返回左右链表的最后一个节点,让左链表的最后一个节点指向右节点的第 ...

Tue Mar 12 01:28:00 CST 2019 0 572
[LeetCode] Convert Sorted List to Binary Search Tree

Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 这题的关键是能找出当前链表的中间节点,然后再递归左右的子链表,开始的时候程序 ...

Mon Oct 29 23:20:00 CST 2012 2 3850
 
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