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LeetCode_Construct Binary Tree from Preorder and Inorder Traversal
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
[leetcode] construct-binary-tree-from-preorder-and-inorder-
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
construct-binary-tree-from-preorder-and-inorder-traversal——前序和中序求二叉树
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
[LeetCode] 331. Verify Preorder Serialization of a Binary Tree Java
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
Construct String From Binary Tree
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
Codeforces 627D Preorder Test(二分+树形DP)
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
105. Construct Binary Tree from Preorder and Inorder Traversal
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
[leetcode-606-Construct String from Binary Tree]
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
leetcode144
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
前序遍历
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
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