一.题目 Construct Binary Tree from Preorder and Inorder Traversal Total Accepted: 36475 Total Submissions: 138308My Submissions Given preorder and inorde ...
分类:
其他好文 时间:
2017-07-05 21:17:44
阅读次数:
198
题目描述 Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. Given p ...
分类:
其他好文 时间:
2017-06-23 23:53:48
阅读次数:
386
Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. ...
分类:
其他好文 时间:
2017-06-18 23:39:22
阅读次数:
172
题目: One way to serialize a binary tree is to use pre-order traversal. When we encounter a non-null node, we record the node's value. If it is a null n ...
分类:
编程语言 时间:
2017-06-17 11:09:39
阅读次数:
228
You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way. The null node needs to be rep ...
分类:
其他好文 时间:
2017-06-09 13:17:26
阅读次数:
123
题意:给出一棵无根树,每个节点有一个权值,现在要让dfs序的前k个结点的最小值最大,求出这个值。 考虑二分答案,把>=答案的点标记为1,<答案的点标记为0,现在的任务时使得dfs序的前k个节点都为1. 考虑树形DP。 用dp[u]表示从节点u开始在子树中进行dfs最多可以经过多少个为1的结点,显然, ...
分类:
其他好文 时间:
2017-06-09 11:51:19
阅读次数:
243
题目: Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. 链接: http: ...
分类:
其他好文 时间:
2017-06-07 20:58:54
阅读次数:
239
You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way. The null node needs to be rep ...
分类:
其他好文 时间:
2017-06-04 12:48:58
阅读次数:
214
https://leetcode.com/problems/binary-tree-preorder-traversal/#/description ...
分类:
其他好文 时间:
2017-05-13 12:25:54
阅读次数:
145
http://www.lintcode.com/en/problem/binary-tree-preorder-traversal/ 注意点:非递归;将结果作为参数传递的遍历;分治 1 //分治 2 public ArrayList<Integer> preorderTraversal(TreeNo ...
分类:
其他好文 时间:
2017-05-05 12:57:08
阅读次数:
136