LinkedList source code analysis

1. Properties package java.util; import java.util.function.Consumer; /** * LinkedList It is implemented through a two-way linked list, which allows the insertion of all elements, including null. At the same time, it is thread asynchronous */ public class LinkedList extends AbstractSequentialUTF-8...

Posted by shane18 on Thu, 23 Sep 2021 11:40:18 +0530

Collection of various sets

Arrays are thousands and millions, and collections are truth there are two common data saving forms in our code - > array and set; The biggest difference between arrays and sets is query and expansion. Generally, when the data is determined, it will be easier for us to query in the form of arrUTF-8...

Posted by bschultz on Thu, 23 Sep 2021 14:15:42 +0530

[sword finger Offer] prime search and backtracking algorithm

Sword finger Offer 34. A path with a certain value in a binary tree Enter a binary tree and an integer, and print out all paths where the sum of node values in the binary tree is the input integer. A path is formed from the root node of the tree down to the leaf node. Example: Given the followiUTF-8...

Posted by cahamilton on Thu, 23 Sep 2021 19:06:49 +0530

Educational Codeforces Round 114 (Rated for Div. 2)

A.Regular Bracket Sequences Problem Analysis Given integer n n n. Structure n n n with length of 2 n 2n 2n and output, n āˆˆ [ 1 , 50 ] n \in [1, 50] nāˆˆ[1,50]. Idea: construct directly according to the following rules n n Group n. i = 1 , ( ) ( ) ( ) ( ) . . . i = 2 , ( ( ) ) ( ) ( ) . . . i = 3 UTF-8...

Posted by ezbie on Thu, 23 Sep 2021 20:26:06 +0530

Detailed explanation of hash MurmurHash algorithm

MurmurHash: (multiply and rotate) and (multiply and rotate) Hash, a hash algorithm for multiplication and rotation. 1, Hash function definition Hash function, also known as hash algorithm and hash function, is a method to create a small digital "fingerprint" from any kind of data. The hash funUTF-8...

Posted by abigail on Fri, 24 Sep 2021 05:21:21 +0530

LeeCode_146. LRU caching mechanism (map + bidirectional linked list, map + stack + double ended queue)

1, Introduction 1. Title Description Title Link: https://leetcode-cn.com/problems/lru-cache/ Use the data structure you master to design and implement a LRU (least recently used) caching mechanism . Implement LRUCache class: LRUCache(int capacity) initializes the LRU cache with a positive integUTF-8...

Posted by madsosterby on Fri, 24 Sep 2021 12:46:40 +0530

Joint query set of data structure

Main purpose Merge two setsDetects whether two elements are in the same collection Basic principles Each set is represented by a tree. The number of the tree root is the number of the whole set. Each node stores its parent node, and p[x] represents the parent node of X Related questions: How toUTF-8...

Posted by Bullit on Fri, 24 Sep 2021 20:27:12 +0530

Learning Notes: Sequential representation and implementation of linear tables (secondary pointer implementation)

Learning Notes: Sequential representation and implementation of linear tables (secondary pointer implementation) ** "Idealistic flowers will eventually blossom in the soil of romantic attention, and my passion will never fade out in the ordinary shown" ** Sequential representation and implementUTF-8...

Posted by hellonoko on Sat, 25 Sep 2021 00:22:13 +0530

Modern C++ Compile-Time Structural Field Reflection

Based on C++ 14 native syntax, less than 100 lines of code: let the compiler help you write JSON serialization/deserialization code, say goodbye to manual work. This article does not discuss the complete C++ reflection technology, but only the field reflection of structs and its application in UTF-8...

Posted by stubarny on Sat, 25 Sep 2021 03:32:49 +0530

Introduction to Java for beginners 200 examples 65 of Java sort() array sorting

Introduction to the author Author name: Ming Shiyin in programming world Introduction: CSDN blog expert has been engaged in software development for many years and is proficient in Java and JavaScript. Bloggers also learn and grow step by step from scratch, know the importance of learning and aUTF-8...

Posted by liquorvicar on Sat, 25 Sep 2021 06:40:00 +0530