huffman tree generator

"Problem description" Write a program to compress a body file using Huffman encoding. The specific compression method is as follows: 1. The number of characters in the body file (except for the newline character ' \ ', not statistics) is counted according to the occurrence frequency 2. Generate the corresponding Huffman tree according to the character frequency (

Huffman tree, also known as the optimal binary tree, is a tree with the shortest length of the weighted path, which can be used to construct the optimal coding for information transmission and data compression, and is a widely used two-fork tree.several basic concepts related to: 1. path : The branching sequence from o

First to understand the Huffman tree.Weighted path Length (WPL): Set two fork tree has n leaf nodes, each leaf node with the right value wk, from the root node to each leaf node length is lk, then each leaf node of the belt weight path length of the sum is:Optimal binary tree or Huffman

Qiqifanqi Original: http://blog.csdn.net/qiqifanqi/article/details/6038822#include #defineMAX 100#defineMAXVALUE 500typedefstruct{ intweight; intParent,lchild,rchild;} Node /*Huffman tree Node type*/ /*-----------------------------The following sections define Huffman encoded storage structure-------------------------*/typedefstruct{ intStart//Store start

coincidence, are deliberately for it, there is practical significance. This design allows literal and length to share the same Huffman tree, once encoded at the same time to get literal and length code word. The range of literal is the closed interval [0, the 255],length range is the closed interval [3, 258]. Compression combines the two intervals into the same table to bring them together. The closed int

Huffman tree, also known as the optimal tree, is a kind of tree with the shortest length of the weighted path, with the length of the path from the node to the root of the route length and the accumulation of weights on the node.So how do you build a huffman

In the general data structure of the book, the tree behind the chapter, the author will generally introduce Huffman (HUFFMAN) Tree and Huffman coded. Huffman coding is a Huffman

more than 15, the source code in the function Gen_bitlen () to more than 15 of the situation has been specifically handled, I call the process of Huffman tree "grafting." The so-called grafting means to find the length of the code word more than 15 of the branch, the more than the part of "break" down to the depth of less than 15 of the branch up to ensure that the new branch depth of not more than 15 (a b

Tree-heap structure exercises--Combining fruit Huffman tree time limit:1000ms Memory limit:65536kb 64bit IO format:%lld %llu Submit Status Description in an orchard, many have already beaten all the fruit, and according to the different kinds of fruit into a different heap. Many decided to synthesize all the fruits into a heap. Each time a merger, a lot can combi

recently in the stir fry some knowledge about the tree, found a more interesting two-fork tree, Huffman Tree, corresponding to a discrete mathematics called the optimal Binary tree path structure, and the main role of Huffman, fin

Huffman tree (Homan tree, and optimal binary tree) Huffman tree (Homan tree, and optimal binary tree) Flyfish 2015-8-1 The

nodes) in a way. Minimize the weight of the tree. The optimal binary tree is a two-fork tree with the shortest length of the weighted path. According to the number of nodes and the difference of weights, the shape of the optimal binary tree is different. What they have in common is that the node with the weighted valu