原题地址:http://oj.leetcode.com/problems/flatten-binary-tree-to-linked-list/ 题意: Given a binary tree, flatten it to a linked list in-place. ...
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:
原题地址:http://oj.leetcode.com/problems/flatten-binary-tree-to-linked-list/ 题意: Given a binary tree, flatten it to a linked list in-place. ...
Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: If you notice carefully ...
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. ...
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 ...
看起来很难,但是仔细想一下,实质就是二叉树的中序遍历的问题,中序遍历有递归和非递归(至少两种写法)。 递归: 非递归 Divide a ...
原题链接在这里:https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list/description/ 题目: You are given a doubly linked list which in addition ...
题目: Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 题解: 之前做过一道是从sorted array转换 ...
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 ...