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LeetCode-106-Construct Binary Tree from Inorder and Postorder Traversal
算法描述: Given inorder and postorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For ex ...
分类:其他好文   时间:2019-02-03 10:41:35    阅读次数:198
LeetCode 解题报告
题目要求 Given an n-ary tree, return the postorder traversal of its nodes' values. 题目分析及思路 题目给出一棵N叉树,要求返回结点值的后序遍历。可以使用递归的方法做。因为是后序遍历,所以最后加入根结点的值。 python代码 ...
分类:其他好文   时间:2019-02-01 16:24:16    阅读次数:168
leetcode 590.N-ary Tree Postorder Traversal N叉树的后序遍历
递归方法 C++代码: ...
分类:其他好文   时间:2019-01-30 00:21:12    阅读次数:171
PTA-1020——Tree Traversals
题目: Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed t ...
分类:其他好文   时间:2019-01-27 19:03:00    阅读次数:168
1020 Tree Traversals (25 分)
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:2019-01-06 14:22:02    阅读次数:165
106. Construct Binary Tree from Inorder and Postorder Traversal - Medium
Given inorder and postorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. For example, ...
分类:其他好文   时间:2019-01-01 11:14:07    阅读次数:143
889. Construct Binary Tree from Preorder and Postorder Traversal - Medium
Return any binary tree that matches the given preorder and postorder traversals. Values in the traversals pre and post are distinct positive integers. ...
分类:其他好文   时间:2019-01-01 11:04:36    阅读次数:136
Leetcode 106.从中序与后序遍历序列构造二叉树
从中序与后序遍历序列构造二叉树 根据一棵树的中序遍历与后序遍历构造二叉树。 注意:你可以假设树中没有重复的元素。 例如,给出 中序遍历 inorder = [9,3,15,20,7] 后序遍历 postorder = [9,15,7,20,3] 返回如下的二叉树: 3 / \ 9 20 / \ 15 ...
分类:其他好文   时间:2018-12-23 11:27:46    阅读次数:262
Leetcode590. N-ary Tree Postorder Traversal
590. N-ary Tree Postorder Traversal 590. N-ary Tree Postorder Traversal 自己没写出来 优秀代码: """ # Definition for a Node. class Node(object): def __init__(sel ...
分类:其他好文   时间:2018-12-16 14:36:34    阅读次数:113
590. N-ary Tree Postorder Traversal
1. Quesiton 590. N-ary Tree Postorder Traversal URL: https://leetcode.com/problems/n-ary-tree-postorder-traversal/description/ Given an n-ary tree, re ...
分类:其他好文   时间:2018-11-17 19:21:38    阅读次数:111
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