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[LeetCode] Binary Tree Preorder Traversal (非递归的先序遍历)
Binary Tree Preorder Traversal   Given a binary tree, return the preorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 2 / 3 re...
分类:其他好文   时间:2015-05-28 18:02:10    阅读次数:118
binary tree/tree相关问题 review
本文主要对binary tree和tree相关问题做一个review,然后一道一道解决leetcode中的相关问题。因为是review了,所以基本概念定义什么的就不赘述。review主要包括:inorder, postorder,preorder traversal的iterative versio...
分类:其他好文   时间:2015-05-28 07:04:49    阅读次数:120
Binary Tree Preorder Traversal —— LeetCode
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:2015-05-24 21:32:52    阅读次数:110
Java for LeetCode 105 Construct Binary Tree from Preorder and Inorder Traversal
Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.解题思路一:preorder[...
分类:编程语言   时间:2015-05-23 11:11:46    阅读次数:129
【Leetcode】【Medium】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].解题思...
分类:其他好文   时间:2015-05-22 09:20:44    阅读次数:94
LeetCode 105 106:Construct Binary Tree from Preorder/Postorder and Inorder Traversal
LeetCode 105: Given preorder and inorder traversal of a tree, construct the binary tree. 给定一个二叉树的前序和中序遍历,重建这棵二叉树。 LeetCode 106: Given inorder and postorder traversal of a tree, constru...
分类:其他好文   时间:2015-05-21 09:12:32    阅读次数:207
144 Binary Tree Preorder Travesal
递归public class Solution { public ArrayList preorderTraversal(TreeNode root) { ArrayList res = new ArrayList(); traversal(root, res); ...
分类:其他好文   时间:2015-05-21 07:51:52    阅读次数:113
Leetcode#144Binary Tree Preorder Traversal
BinaryTreePreorderTraversalTotalAccepted:67121TotalSubmissions:185051MySubmissionsQuestionSolutionGivenabinarytree,returnthepreordertraversalofitsnodes‘values.Forexample:Givenbinarytree{1,#,2,3},1 2 / 3return[1,2,3].分析:先序遍历树中的节点,采用递归的方..
分类:其他好文   时间:2015-05-21 06:49:26    阅读次数:180
【Leetcode】【Medium】Construct Binary Tree from Preorder and Inorder Traversal
Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.解题思路:给出一个二叉树的先序...
分类:其他好文   时间:2015-05-21 06:37:42    阅读次数:96
105 Construct Binary Tree From Preorder and Inorder Traversal
public class Solution { public TreeNode buildTree(int[] preorder, int[] inorder) { if (preorder == null || inorder == null || preorder.lengt...
分类:其他好文   时间:2015-05-19 10:09:22    阅读次数:136
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