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Merge sort Merge sort principle What is merge sort? To merge and sort, we must first understand what is merging: merging two ordered sequences into one ordered sequence, which we call "merging". Idea: merge sort is to sort the sequence of numbers by using the idea of merge. According to the specific implementation, merge sortin ...

describe A connected graph uses adjacency table as storage structure. An algorithm is designed to judge whether there is a simple path with length k at any given two points in an undirected graph. input Multiple groups of data, each group of m+3 data rows. The first line has two numbers n, m and k, representing n vertices, m edges and length ...

Write in front The linked list, stack and queue mentioned earlier are linear storage structures, which are one-to-one relationships. Tree is a data structure with one to many relationship. For example, we often say that a class diagram in Wuhan, Hubei Province and Changsha, Hunan Province is similar to an inverted tree. What is a tree Tree is ...

1, Title Description Description The preorder traversal and inorder traversal of a binary tree are given, and the number of leaf nodes of the corresponding binary tree is counted. This question requires the use of a binary linked list, otherwise even if it passes, points will be deducted as appropriate. Input Input two lines of string compo ...

There are eight common sorting algorithms, so it is estimated that they will be divided into several periods. Interested friends may wish to click a collection column. ღ (´ᴗᴗღ) comparison Center OJ link Quick sort is an exchange sort method with binary tree structure proposed by Hoare in 1962. Its basic idea is: Any element in t ...

Hello, I'm a senior programmer~ Today, let's share a Tencent two-sided algorithm problem, basin friend circle problem~ If you like, remember to pay attention~ Circle of friends problem There are now 105 users numbered 1 - 105. It is known that there are m pairs of relationships. Each pair of relationships gives you two numbers x and y, represen ...

Single linked list 1. Definition of linked list Chain storage structure of linear table: the location of data elements (nodes) in linear table in memory is arbitrary, that is, logically adjacent data elements are not necessarily adjacent in physical location. Related terms: Nodes: storage images of data elements. It consists of data ...

  preface: It seems that we did talk about heap in C language teaching before, but it is the heap in the operating system. The heap we are going to talk about today is the heap in the data structure. There are also stacks and heaps in the data structure, which has nothing to do with the stack and heap in the memory division of the operati ...

1, Experimental purpose By simulating several basic page replacement algorithms for request page storage management, understand the characteristics of virtual storage technology, master the basic ideas and implementation process of several basic page replacement algorithms in virtual storage request page storage management, and compare their e ...

Objectives of this section Understand what a collection framework isUnderstand the meaning of learning set frameworkMaster the relevant interfaces and common implementation classes of the collection frameworkUnderstand what to learn in the next stage 1. Introduction Official course The Java Collection Framework, also known as the container c ...