Programmer Think

Operation of Linux kernel queue This system imitates the queue implementation in Linux. It is a two-way linked list. Personally, I think the implementation of two-way linked list in Linux is simply wonderful. 1, Implementation of conventional linked list When learning the data structure course, they all learned the data structure of two- ...

HashMap bottom hyperdetailed interpretation First, substitute a question: how does the underlying HashMap find the corresponding stored array node through the Key? Look at the figure first to know what the underlying storage structure of HashMap is like In the first case, the length of the linked list at the node position of the same array i ...

Compared with the previous sequential list and single linked list, the implementation of two-way linked list is more complex, but the actual operation link is simpler. For example, highways are more difficult to build than ordinary asphalt roads, but cars can run faster on highways. It should be noted that the condition that the two-way lead l ...

3, Linear table Linear table is the most basic, simplest and most commonly used data structure. A linear table is a finite sequence of n data elements with the same characteristics. Precursor element: If element A is in front of element B, it is called the precursor element of B Successor elements: If element B follows element a, it is cal ...

preface   this article is about 300 lines of daily code link Study notes.   give a 10% discount, with a daily code of 30 lines.   this article adjusts the learned code according to your own understanding.   the code in this article is just personal notes, and some notes are jumping.   imitating excellent code is in ...

leetcode daily question of deleting duplicate elements in the sorting linked list Title Link: https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii/submissions/ Title Description: There is a linked list arranged in ascending order. Give you the head node of the linked list. Please delete all nodes with duplicate numbers in t ...

catalogue I: 2, Implementation: Three, end I: The linked list is divided into eight categories. This article describes the implementation of the two-way circular linked list of the leading node; The physical structure of such linked list is shown in the figure below: There are two pointers in each node, pointing to the previous no ...

Title Requirements Link to the original title: 23. Merge K Ascending Chain Lists The Title requirements are as follows: Give you an array of lists, each in ascending order. Please merge all lists into one ascending list and return the merged list. Examples are as follows: Input: lists = [[1,4,5],[1,3,4],[2,6]] Output: [1,1,2,3,4,4,5,6] ...

Data Structure and Algorithms 1. Data structure 1. Data structure includes linear structure and non-linear structure. Linear structure: (1) Sequential storage (array, storage elements are continuous) and chain storage (chain list, storage elements are not necessarily continuous) (2) Arrays, Queues, Chain Lists and Stacks Nonlinear structu ...

What is a linked list The data structure of array is continuous storage space. Because the space is continuous, the efficiency of accessing is very high, but the efficiency of deleting and inserting data at the same time is very low. Therefore, the concept of linked list is proposed Unlike arrays, linked lists are not stored continuously ...