Java Improvement (27)-----TreeMapTreeMap implementation is the implementation of red-black tree algorithm, so to understand the treemap must have a certain understanding of red and black trees, in fact, the name of this blog is called: According to the red-black tree algorithm to analyze the implementation of TREEMAP, But it's better to be consistent with the Jav
Red and black tree insert
The red-black tree node is inserted by default as the node is red . I understand that, in fact, the insertion of red or black can be, but it is necessary to see the adjustment behind the trouble.
Inserting black dots will increase the number of black
http://cmsblogs.com/?p=1013 original source.TreeMap implementation is the implementation of red-black tree algorithm, so to understand the treemap must have a certain understanding of red and black trees, in fact, the name of this blog is called: According to the red-black tree algorithm to analyze the implementation of TREEMAP, But it's better to be consistent w
I think many people will be like me, often encounter some computer problems and helpless. For example, what about the computer black screen? Well, now I share with you some of the reasons for the computer black screen production and solutions.
650) this.width=650; "alt=" computer black screen How to teach you seven solutions "src=" http://www.win10zyb.c
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First, paste the property of the red and black trees:
Property 1. nodes are red or black
Nature 2. The root is black
Nature 3. All leaves are black (leaves are nil nodes)
Nature 4. If a node is red, its two sons are black
5. All simple paths from any node to its leaves cont
A red/black tree is a special binary search tree. It has the following five properties:
1. The root node is black.
2. Each node is either black or red.
3. the two sons of each Red node must be black.
4. All leaf nodes are black. (Note: The leaf node here is not a true leaf n
If the balanced binary tree is a class, then the red-black tree is an example of the class.
Algorithm of the book I lost a long time, I can not find, I was based on memory said. The red-black tree algorithm is troublesome, but its thought is very good, if understands its thought also understands its algorithm, I also only remembers the thought, the concrete algorithm remembers. I'm just going to talk about
A red-black tree is a two-prong search tree with color attributes for each node, with a color of red or black. In addition to the general requirements of the binary search tree, we have added the following additional requirements for any valid red-black tree:Nature 1. The nodes are red or black.Nature 2. The root is black.Nature 3. All leaves are
be found after the linked list, as for why the list is to save space, the list in memory is not continuous storage, So we can use memory more fully.Java's HashMapWhat does that have to do with the hashmap of our topic today? All right, do not square friends, into the subject. We know that the values in HashMap are all key,value, right, in fact, the storage here is very much like the above, the key will be mapped to the address of the data, and the value is in the list with this address as the h
Author: July January 9, 2011
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Reference:I. The Art of Computer Programming Volume III. Introduction to Algorithms, Second EditionIII. The Annotated STL SourcesIV. WikipediaV, Algorithms In C Third Edition
VI. My first three articles on the red and black trees:
Article 1: teach you a thorough understanding of the red and black trees:
Http://www.bkjia.com/kf/201104/87322.html
Arti
OverviewAbout the basic knowledge of red and black trees in the previous article has been introduced, want to learn more about red and black tree can refer to the article "Data structure-red black tree", here is only simple to nginx in the red and black tree source of the analysis, Nginx red and
Http://www.cnblogs.com/yangecnu/p/3627386.htmlThe previous article introduced the 2-3 lookup tree, you can see that the 2-3 find tree can ensure that after inserting elements can maintain the balance of the tree, the worst case is all the child nodes are 2-node, the height of the tree is LGN, thus guaranteeing the worst case of time complexity. However, 2-3 trees are more complex to implement, this paper introduces a simple implementation of 2-3 tree data structure, that is, red-
The previous article introduced the 2-3 lookup tree, you can see that the 2-3 find tree can ensure that after inserting elements can maintain the balance of the tree, the worst case is all the child nodes are 2-node, the height of the tree is LGN, thus guaranteeing the worst case of time complexity. However, 2-3 trees are more complex to implement, this paper introduces a simple implementation of 2-3 tree data structure, that is, red-black trees (red-
One, red and black tree introductionWhat is a red-black tree? Why do you need a red-black tree?finding, inserting, deleting, finding the maximum node, finding the minimum node, finding the precursor/successor node is a common requirement, how to find a data structure to efficiently implement the preceding basic operations? According to this blog post to the basic
1. Red-Black Tree description : It is either an empty tree or a two-fork search tree with the following attributes:1) node is not red or black;2) The root node is black;3) All NULL nodes are called the leaf node, and the color is considered black;4) All the nodes of the red node are
subtree of the parent node of P.(3) If the left and right subtrees of the deleted node p are not empty, there are two ways:
Set PL to the left or right child node of P's parent node Q (depending on p is the left and right child node of its parent node Q), set PR to the right child node of the middle order forward node s of the P node (s is the most right node of PL, which is the largest node in the PL subtree).
In order to replace the point of P node with the pre-order or successor
Use the java. util. TreeMap source code to understand the red and black trees,Preface
This article combines the TreeMap source code of JDK1.6 to explore the mysteries of the Red-black tree. The red/black tree solves the imbalance problem of the Binary Search Tree.
When a new node is inserted (or deleted), certain rules must be followed to keep the tree in balance
Some seoer only white hat seo interest, black hat SEO is to sneer at. These people think that Black hat seo use of the means are the next three abuses, is immoral. In fact, I think the Black Hat seo and white hat seo is just different SEO strategy, really no need to black hat seo look so shameful.
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