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Huffman coding (data structure tree, c language version) 1, Experimental topic 1) Initialization. Read in the weight of each character and establish HuffTree; 2) Code. Coding with the built Huffman tree; 3) Output. Display the established Huffman tree and the corresponding coding table; 1. Data structure //----- storage representation of Hu ...

Topic Title Link: https://www.luogu.com.cn/problem/P7011 General idea of the topic give n n A tree with n points starts from one and goes to t t t. The initial weight value is ...

storage structure 1. Open addressing method (y general recommendation) The principle of open addressing method is similar to going to the toilet 2. Zipper method Similar to adjacency table String hash mode p-ary 1. Treat the string as a p-ary number 2. Convert the number in p-ary to the number in 10-ary 3. For the whole number modQ In this ...

  Zero, write in front           This is the 23rd day of clock in. Today's topic is a little difficult. The main knowledge points are 100 lectures on zero fundamentals of algorithms (Lecture 23) string algorithms (III) - string segmentationhttps://blog.csdn.net/WhereIsHeroFrom/article/details/1208 ...

Java linked list data structure brush notes summary This article has referred to the labuladong algorithm, and has compiled some notes and thoughts. You can pay attention to his official account. I'm a vegetable 555. I've just started to brush questions. I'll take notes here. Hey hey~ Characteristics of linked list Types of linked lists ...

Quick sort   in other words, it's called fast platoon, but it will become slow platoon under certain circumstances. OK, OK, enter the text Fast platoon also adopts a divide and conquer strategy. The basic idea of this method is: 1. Find a base number first. I usually use the first number2. Then, the left side of the square smaller ...

catalogue Priority queue concept Characteristics of priority queues Note when using priority queues:   Construction of priority queue Operation implementation of priority queue     Priority queue concept First, a queue is a first in, first out (FIFO) Data structure of , but in some cases, The data of the operation may ...

1. Circular linked list I 1.1 Title Description The link to this question comes from leetcode Example Advanced and tips: 1.1.1 interface function /** * Definition for singly-linked list. * struct ListNode { * int val; * struct ListNode *next; * }; */ bool hasCycle(struct ListNode *head) { } 1.2 general fra ...

Dutch National Flag Problem         a. Given a sequence arr and a number num, put > num on the right of the array and < = num on the left of the array         b. Given a sequence arr and a number num, put > num on the right of the array, < num on the left of the array, and equal in the midd ...

Bubble sorting Start from the first element of the sequence to be sorted, constantly compare the values of adjacent elements, exchange if it is found that the reverse order, and gradually move the elements with larger values from front to back. Every time the maximum value of the sequence to be sorted is found, the maximum value is fi ...