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LeetCode 144 Binary Tree Preorder Traversal (先序遍历二叉树)
LeetCode 144 Binary Tree Preorder Traversal (先序遍历二叉树)...
分类:其他好文   时间:2016-08-19 15:10:16    阅读次数:118
leetcode 144. Binary Tree Preorder Traversal
Given a binary tree, return the preorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, return [1,2,3]. 二叉树的前序遍历,非递归的写法考的比较多 ...
分类:其他好文   时间:2016-08-12 19:51:15    阅读次数:103
255. Verify Preorder Sequence in Binary Search Tree
昨天写的,几乎要超时。600ms+ = =换了种方法直接LTE了 ...
分类:其他好文   时间:2016-08-12 06:39:43    阅读次数:143
Binary Tree Preorder Traversal
Given a binary tree, return the preorder traversal of its nodes' values. Given: return [1,2,4,5,3]. Thinking: For this problem, you need to think abou ...
分类:其他好文   时间:2016-08-08 00:33:07    阅读次数:133
LeetCode-Verify Preorder Serialization of a Binary Tree
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 node, ...
分类:其他好文   时间:2016-08-07 13:43:27    阅读次数:130
Verify Preorder/Inorder/Postorder Sequence in Binary Search Tree
Verify Preorder Sequence in Binary Search Tree \Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary se ...
分类:其他好文   时间:2016-08-05 06:34:51    阅读次数:166
Verify Preorder Serialization of a Binary Tree
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 node, ...
分类:其他好文   时间:2016-08-04 01:15:21    阅读次数:180
二叉树的前序遍历(不用递归)
题目描述 Given a binary tree, return the preorder traversal of its nodes' values. For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3 return[1,2,3]. Note: R ...
分类:其他好文   时间:2016-07-16 22:44:28    阅读次数:224
331. Verify Preorder Serialization of a Binary Tree
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分类:其他好文   时间:2016-07-10 07:37:31    阅读次数:170
【LeetCode】105 & 106 Construct Binary Tree from (Preorder and Inorder) || (Inorder and Postorder)Traversal
Description: Given arrays recording 'Preorder and Inorder' Traversal (Problem 105) or 'Inorder and Postorder' (Problem 106), u need build the binary t ...
分类:其他好文   时间:2016-07-09 13:23:12    阅读次数:122
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