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 in the flattened tree, each node s right child points to the n ...
2016-03-23 23:52 1 1472 推荐指数：
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. ...
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: 1 TreeNode ...
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 ...
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 ...
You are given a doubly linked list which in addition to the next and previous pointers, it could have a child pointer, which may or may not point ...
