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Chapter VIII sorting What is sorting? Sorting: arrange a group of disorderly data in order according to a certain law. Learning content Sort by principle Insert sort: direct insert sort, half insert sort, Hill sortSwap sort: bubble sort, quick sortSelect sort: simple select sort and heap sortMerge sort: 2-way merge sortCardinality sort Wo ...

P233 data structure Stack: data entering the stack model is called pressing stack, and data leaving the stack model is elastic stack. Stack is a last in first out model.Queue: the process of data entering the queue model from the back end is called entering the queue, and the process of leaving the queue is called leaving the queue. Queues are ...

1.1 basic introduction 1. Advantages and disadvantages of one-way linked list For one-way linked lists, the search direction can only be one direction, while two-way linked lists can search forward or backward.A one-way linked list cannot be deleted by itself. It needs to rely on auxiliary nodes, while a two-way linked list can be deleted by ...

1.1 STL(Standard Template Library) 1.1.1 STL overview STL is a powerful template based container library. The efficiency and reliability of algorithm design can be greatly improved by directly using these ready-made standardized components. It has been modified and perfected by many generations of Daniel programmers. In fact, simply put, it i ...

 290. Word rules Given a pattern and a string str, judge whether str follows the same rule. The ， here refers to complete matching. For example, there is a corresponding law of two-way connection between each letter in pattern ， and each non empty word in string ， str ，. Example 1: Input: pattern = "Abba", STR = "dog cat ...

Weight segment tree, also known as chairman tree. Weight segment tree, each leaf node represents a weight. Each node has a weight, which represents the number of numbers in the current interval. with This question For example, the data is 1 5 2 6 3 7 4, indicating the array to be queried a []. Discretization Discretization is to change the d ...

catalogue I. insert sort: 1. Direct insert sort; 2. Hill sort 2. Sorting: Select sort Heap sort Exchange sort person name: bubble sort} the simplest sort, but stable Implementation of three recursive methods for quick sorting: Implementation of non recursive method for quick sorting: Merge sort: Count sort I. insert sort: 1. Direct i ...

HashMap is a collection container that senior java engineers must be proficient in. Its importance is almost equal to the importance of Volatile in concurrent programming (visibility and order). Through the detailed explanation of graphic source code, this article deeply analyzes the important kernel knowledge of HashMap, which is easy to read ...

Data structure course design North Version 3:12.13 modified Recently, Mr. Zhang (in fact, I'm not sure who did it, but I feel that Mr. Zhang has this level) gave me an interesting question. Many younger brothers and sisters came to ask me. In order to facilitate everyone in the province to ask me several times, I'll share my personal ideas wi ...

Harry Potter is going to have an exam. He needs your help. This course is about the ability to change one animal into another with a magic spell. For example, the spell to turn a cat into a mouse is haha, the spell to turn a mouse into a fish is hehe, and so on. A spell that changes in the opposite direction is simply to recite the original spe ...