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Data structure and algorithm (C/C + + implementation) Chapter 1 C + + review 1.1 C + + preliminary 1. C + + namespace For example, Xiao Li and Xiao Han both participated in the development of a file management system. They both defined a global variable fp to indicate the previously opened files. When compiling their code together, it is ob ...

One of the data structures commonly used in HashMap work. The underlying data structure is composed of array + linked list + red black tree, as shown in the figure below After knowing the data structure of HashMap, you will have some doubts. Why are there some linked lists, some red and black trees, and some have only one node? How do the link ...

introduction Recently, I am learning the data structure of javaScript. Linked list and array in javaScript can play a complementary relationship. Some complex data structures are suitable for array implementation (such as stack), while others are more suitable for linked list implementation (such as queue). Today, I will study the implemen ...

The previously learned sequence table query is very fast, and the time complexity is O(1), but the efficiency of addition, deletion and modification is very low, because each addition, deletion and modification will move the elements. You can use another storage method - chain storage structure. Linked list is a non continuous and non sequenti ...

Sequence table Understand several key points C language is process oriented programming, so the object in C refers to the physical memory that stores (multiple) values. An object may not store the actual value, but it has the corresponding size when stored C + + object-oriented programming, so object in C + + refers to class object, whic ...

9. Analysis overview of linked list related topics Link to mind map Algorithm and data structure mind map Refer to the course notes of Zuo Cheng cloud system algorithm Refer to Moke network algorithm system course notes Summary of common questions: 1. Find the middle node of the linked list Meaning: It is designed to find the sp ...

1. Title Give you an integer array nums, in which the elements have been arranged in ascending order. Please convert it into a highly balanced binary search tree. A height balanced binary tree is a tree that satisfies the requirement that the absolute value of the height difference between the left and right subtrees of each node does ...

NC51 merges k sorted linked lists Solution 1: use auxiliary array Traverse each linked list and push the val value of the node into the array arr Sort arr Convert the sorted array into a linked list Return header node head Time complexity: traverse all nodes O(n), sort O(nlogn) Space complexity: use an array with the same length as the ...

L2-002 linked list weight removal (25 points) Given a linked list L with integer key values, you need to delete the key value nodes with duplicate absolute values. That is, for each key value K, only the node with the first absolute value equal to K is retained. At the same time, all deleted nodes must be saved in another linked list. For exam ...

Title Source: LeetCode LeetCode Month Emblem Title of the Day 1414. and the minimum number of Fibonacci numbers for K Give you the number k, and return the smallest number of Fibonacci numbers for k, where each Fibonacci number can be used multiple times. The Fibonacci number is defined as: F1 = 1 F2 = 1 Fn = Fn-1 + Fn-2, where n > 2. T ...