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1138 Postorder Traversal (25)
Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out ...
分类:其他好文   时间:2018-06-06 01:02:16    阅读次数:161
二叉树的遍历(循环方式)
前序遍历(Preorder Traverse) 根结点-左子树-右子树 Java代码实现: 后序遍历(postorder traverse) 左子树-右子树-根结点 代码实现: 中序遍历(inorder traverse): 左子树-根结点-右子树 代码实现: ...
分类:其他好文   时间:2018-04-07 15:02:24    阅读次数:172
105 Construct Binary Tree from Preorder and Inorder Traversal 从前序与中序遍历序列构造二叉树
给定一棵树的前序遍历与中序遍历,依据此构造二叉树。注意:你可以假设树中没有重复的元素。例如,给出前序遍历 = [3,9,20,15,7]中序遍历 = [9,3,15,20,7]返回如下的二叉树: 3 / \ 9 20 / \ 15 7详见:https://leetcode.com/problems/ ...
分类:其他好文   时间:2018-04-04 23:42:14    阅读次数:399
106 Construct Binary Tree from Inorder and Postorder Traversal 从中序与后序遍历序列构造二叉树
给定一棵树的中序遍历与后序遍历,依据此构造二叉树。注意:你可以假设树中没有重复的元素。例如,给出中序遍历 = [9,3,15,20,7]后序遍历 = [9,15,7,20,3]返回如下的二叉树: 3 / \ 9 20 / \ 15 7详见:https://leetcode.com/problems/ ...
分类:其他好文   时间:2018-04-04 23:29:28    阅读次数:264
Tree Traversals Again
An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the ...
分类:其他好文   时间:2018-04-04 20:52:47    阅读次数:171
[LeetCode] 285. Inorder Successor in BST 二叉搜索树中的中序后继节点
Given a binary search tree and a node in it, find the in-order successor of that node in the BST. Note: If the given node has no in-order successor in ...
分类:其他好文   时间:2018-03-28 10:28:59    阅读次数:214
【PAT1138】Postorder Traversal(25)
Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out ...
分类:其他好文   时间:2018-03-17 00:42:20    阅读次数:248
C++ — 迭代法遍历二叉树(LeetCode.94 - Binary Tree Inorder Traversal)
Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree [1,null,2,3], return [1,3,2]. Note: Recursive so ...
分类:编程语言   时间:2018-03-15 21:07:04    阅读次数:238
浙大pat甲级题目---1020. Tree Traversals (25)
Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou ...
分类:其他好文   时间:2018-03-14 22:11:45    阅读次数:179
复原二叉树
1.由(preorder+inorder)复原 2.由(inorder+postorder)复原 ...
分类:其他好文   时间:2018-03-12 11:07:31    阅读次数:151
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