[Data structure] Chapter 1 search! (Binary Search Tree bst avl Tree B-(+) tree dictionary tree HASH table ),
Difficult to take notes... I was planning to use the result of one day befo

The definition and nature of the binary tree, including the various operations of the source code in this blog here: two fork Tree
The definition of binary search tree and the source code implementation in this blog here: two for

First, data structure background + code variable introduction Binary search tree, also known as binary sorting tree, also known as two-fork treeIt satisfies the following definitions:1, the subtree of any node is a binary

the fast pointer to find the midpoint of the list, the left half of the list ends point to null, and recursively constructs a left subtree. The right half of the part is built recursively into the right sub-tree. If you do not want to destroy the original linked list, then you can use the first to save to the array and then build the method.1 PublicTreeNode Sortedlisttobst (ListNode head) {2 if(head==NULL)3 return NULL;4

1. Retrieve the first node in the first order.(The node in the first order is the root node.)2.The first node can be used to divide the middle order into left and right Subtrees, and then the second node in the first order can be used to divide the Left and Right Subtrees again,3. It ends when all the vertices are divided into single points.For example, assume that the first sequence of a binary tree is eba

the tree, as described in the background knowledge of Linux file management. In UNIX file systems, each file (the folder is also a file) can be viewed as a node. Non-folder files are stored on leaf nodes. The folder has pointers to the parent and child nodes (in Unix, the folder also contains a pointer to itself, which differs from the tree we see above). In Git, there is a similar

1. Title Description:A binary search tree is transformed into a doubly linked list;2. Two fork search tree, directly look at the picture:is a binary search

ordered (that is, they cannot be exchanged) from left to right, they are called ordered trees; otherwise, they are called unordered trees.
Binary Tree
A Binary Tree has at most two Subtrees (nodes with a degree greater than 2 in a Binary

Convert sorted list to Binary Search Tree
OJ: https://oj.leetcode.com/problems/convert-sorted-list-to-binary-search-tree/
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST

Title DescriptionEnter a binary search tree and convert the two-fork search tree into a sorted doubly linked list. Requires that no new nodes can be created, only the point pointer of the node in the tree can be adjusted.Title Add

Judge whether the integer sequence is the result of Binary Search Tree's post-sequential TraversalQuestion: enter an integer array to determine whether the array is the result of a binary search tree's sequential traversal.If true is returned, otherwise false is returned.For example, input 5, 7, 6, 9, 11, 10, and 8, be

Title DescriptionEnter an array of integers to determine if the array is the result of a sequential traversal of a binary search tree. If yes, output yes, otherwise output No. Assume that any two digits of the input array are different.Title Addresshttps://www.nowcoder.com/practice/a861533d45854474ac791d90e447bafd?tpId=13tqId=11176rp=2ru=/ta/ Coding-interviewsqru

Binary Search Tree (4) and Binary Search TreeAssume that the node of the tree is defined as follows, and find the precursor and successor node of a specified value. If the specified value is not found in the fruit

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