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二叉树遍历
后序递归: ...
分类:其他好文   时间:2019-01-21 22:55:26    阅读次数:178
栈和递归的关系 144:Binary Tree Preorder Traversal
前序遍历:根左右 中序遍历:左根右 ...
分类:其他好文   时间:2019-01-16 23:22:08    阅读次数:255
102. Binary Tree Level Order Traversal
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3 ...
分类:其他好文   时间:2019-01-13 16:12:42    阅读次数:196
783. Minimum Distance Between BST Nodes - Easy
Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Exa ...
分类:其他好文   时间:2019-01-10 17:45:12    阅读次数:115
【面试必备】手撕代码,你怕不怕?
有了我们的消费者和生产者代码,我们需要来验证一下它们的正确性,照常理来说我们直接创建一些消费者和生产者的线程让它们执行就可以了啊,但是为了“加分”考虑呢,我们还是使用线程池吧..也不是特别复杂:
分类:其他好文   时间:2019-01-10 12:05:03    阅读次数:174
314. Binary Tree Vertical Order Traversal - Medium
Given a binary tree, return the vertical order traversal of its nodes' values. (ie, from top to bottom, column by column). If two nodes are in the sam ...
分类:其他好文   时间:2019-01-10 10:50:58    阅读次数:114
LeetCode算法题-N-ary Tree Level Order Traversal(Java实现)
这是悦乐书的第 225 次更新,第 238 篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第92题(顺位题号是429)。给定n ary树,返回其节点值的级别顺序遍历。(即,从左到右,逐级)。例如,给定一个3 ary树: 我们应该返回它的级别顺序遍历: [[1],[3,2 ...
分类:编程语言   时间:2019-01-09 11:26:19    阅读次数:147
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
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