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LeetCode - 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.思路:递归,preord...
分类:其他好文   时间:2016-01-10 11:44:45    阅读次数:156
144_Binary Tree Preorder Traversal
前序遍历,递归,先遍历根节点,再遍历左节点/** * Definition for a binary tree node. * public class TreeNode { * public int val; * public TreeNode left; * public...
分类:其他好文   时间:2015-12-31 12:17:39    阅读次数:162
[Tree]Binary Tree Preorder Traversal
Total Accepted:97599Total Submissions:257736Difficulty:MediumGiven a binary tree, return thepreordertraversal of its nodes' values.For example:Given b...
分类:其他好文   时间:2015-12-12 01:39:55    阅读次数:146
[LeetCode]Construct Binary Tree from Preorder and Inorder Traversal
public class Solution { public TreeNode buildTree(int[] preorder, int[] inorder) { int length = preorder.length; if (length == 0) { ...
分类:其他好文   时间:2015-12-06 07:28:54    阅读次数:176
255. Verify Preorder Sequence in Binary Search Tree
题目:Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary search tree.You may assume each number in the s...
分类:其他好文   时间:2015-12-03 07:13:59    阅读次数:138
LintCode: Binary Tree Preorder Traversal
C++,递归 1 /** 2 * Definition of TreeNode: 3 * class TreeNode { 4 * public: 5 * int val; 6 * TreeNode *left, *right; 7 * TreeNode(int ...
分类:其他好文   时间:2015-11-27 00:39:53    阅读次数:271
LeetCode(144):Binary Tree Preorder Traversal
Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3].Not...
分类:其他好文   时间:2015-11-26 22:43:47    阅读次数:181
Binary Tree Preorder Traversal
题目:Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3]....
分类:其他好文   时间:2015-11-06 10:59:32    阅读次数:185
根据二叉树的中序遍历和前序遍历,还原二叉树
现在有一个问题,已知二叉树的前序遍历和中序遍历:PreOrder: GDAFEMHZInOrder: ADEFGHMZ我们如何还原这颗二叉树,并求出他的后序遍历?我们基于一个事实:中序遍历一定是 { 左子树中的节点集合 },root,{ 右子树中的节点集合 },前序遍历的作用就是找到每颗子树的roo...
分类:其他好文   时间:2015-10-23 21:20:45    阅读次数:403
Leetcode Binary Tree Preorder Traversal
/** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(...
分类:其他好文   时间:2015-10-23 16:03:48    阅读次数:158
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