Zero Foundation Python7 - Higher Order Grammar (Derivation, Iterator, Generator)

1. Derivation 1. Introduction of Derivation There is a unique syntax in python that is the derivation (also known as the parse). Derivative formulas are constructed from one data sequence to another. There are three types of derivations: list derivation, dictionary derivation, and set derivation. 2. List Derivation Basic syntax: [out_expr ...

Posted on Mon, 06 Dec 2021 12:52:50 -0500 by tomhath

Detailed explanation of sorting algorithm and optimization

1. Opening remarks If I want to buy an iPhone 13 promax mobile phone, I search Baidu I found a lot of related items. I want to buy them cheaper, but I'm afraid I'll meet a liar. What should I do? At this time, sorting is used. We can sort according to credit and price, list the goods that best meet our expectations, and finally find the m ...

Posted on Fri, 26 Nov 2021 14:40:03 -0500 by JWitness

Classic Sorting Algorithms [Java Detailed Analysis]

1. Introduction If I want to buy a mobile phone for IPhone13ProMax, I will search for Baidu. I've found a lot of related items. I want to buy them cheaper, but I'm afraid I'll run into a liar. What should I do? Sorting is used at this point, and we can sort by credit, by price, and put the best items that meet our expectations first, and ...

Posted on Thu, 25 Nov 2021 12:00:23 -0500 by scrubbicus

The use of [C/C++ -STL]list and the failure of vector and list iterators

1, List introduction What is a list template < class T, class Alloc = allocator<T> > class list; This is the definition given in the document So what is a List? List is a sequence container that allows fixed time insertion and erasure operations to be performed anywhere in the sequence, and iterates in two directions. They are s ...

Posted on Tue, 23 Nov 2021 05:06:22 -0500 by wendu

Advanced features of java -- List interface and implementation class

1, Concept of set 1.1 difference between set and array (1) Length difference: the length of the set is variable, and the length of the array is not variable (2) Content difference: a collection can store elements of different types, and an array can only store elements of a single type (3) Element difference: a collection can only store ref ...

Posted on Tue, 09 Nov 2021 13:10:02 -0500 by examancer

203. Remove linked list elements

/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr) {} * ListNode(int x) : val(x), next(nullptr) {} * ListNode(int x, ListNode *next) : val(x), next(next) {} * }; */ class Solution { public: ListNode* removeElements(ListNode* head, int va ...

Posted on Wed, 27 Oct 2021 04:31:30 -0400 by big-dog1965

An article makes you proficient: explanation of java collection (II, ArrayList)

List collection The main implementation classes are ArrayList and LinkedList, which are the implementation of sequential table and list in data structure respectively. It also includes the implementation classes of stack and Queue. Deque and Queue. (both basic data types and reference data types (objects) can be placed in the array. Only refer ...

Posted on Tue, 26 Oct 2021 08:03:43 -0400 by MilesStandish

DS linked list - student dormitory management (list implementation)

Title Description Suppose a school has 20 dormitories, dormitory numbers 101102,..., 120. Only one student lives in each room. The initial part of the dormitory has been used. Maintain dormitory management with two linked lists (used dormitory linked list and available dormitory linked list) to realize dormitory distribution and dormitory retu ...

Posted on Mon, 04 Oct 2021 17:45:13 -0400 by BoarderLine

Fluent Python reading notes - Chapter 2 - sequence types (list, tuple, etc.)

Chapter 2 array of sequences 2.1 sequence type overview The Python standard library implements rich sequence types in C: Container sequence list, tuple and collections.deque can store different types of data Flat sequence str, bytes, byte array, memoryview, array.array these sequences can only accommodate one type The container sequence ...

Posted on Sat, 25 Sep 2021 06:10:56 -0400 by banacan

4-Collection, List, Iterator, and generics

catalogue Tip: here are the basics of Collection, LIst, and generics Tip: the following is the main content of this article. The following cases can be used for reference 1, Collection collection 1. Overview of collections 1.1 overview: A collection is actually a container,Can be used to store data of multiple reference types 1. ...

Posted on Mon, 20 Sep 2021 06:08:11 -0400 by kliopa10