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Dynamic array implementation 1. Class structure The construction of all classes needs to be considered from two aspects: properties and methods. attribute To construct a dynamic array, we first need an array with uncertain size, and then determine the size of the array when calling its constructor. Secondly, some parameters about the array: ...

[algorithm] sword finger Offer special assault version Day4 array part Title address: https://leetcode-cn.com/study-plan/lcof/?progress=wgzvtig Objective: summarize key points and share ideas Note: under reasonable conditions, only use the code that is the simplest to understand and practical to use I [medium] 010 Subarray with and k ...

Comprehensive analysis of C array Array name The value of the array name is a pointer constant, that is, the address of the first element of the array Its type depends on the type of array element There are only two situations where array names are not represented by pointer constants------- ① sizeof (array name), calculate the size of the ...

I Advanced application of array 1. Array inversion Meaning: exchange the elements in the array in order of index Prerequisites for reversal: 1. Confirm the index position of the element to be exchanged int start = 0; int end = arr.length - 1 2. The law of index position movement after each exchange start++ end– 3. How to exchange eleme ...

1. String ①. Definition of string String -- a finite sequence composed of zero or more characters. It is a special linear table. Its data element is one character, that is, a linear table with limited content. Substring: A subsequence of any consecutive characters in a string Main string: String containing substring Character pos ...

Overview of knowledge points:     1. Sum of two numbers: Given an integer array ， nums ， and an integer target value ， target, please find the ， and the ， integers with the target value ， target ， in the array and return their array subscripts. You can assume that each input will correspond to only one answer. However, the same e ...

1, Overview of arrays 1. Understanding of arrays: An array is a collection of several data of the same type arranged in a certain order, named with a name, and managed uniformly by numbering. 2. Array related concepts: Array name element subscript, subscript and index length of array: number of elements 3. Characteristics of array: Arrays ...

1, Overview ​​ 1. Inheritance structure of collection As can be seen from the above figure, there are two interfaces list and set under the Collection. List represents the linear table in the data structure, and the implementation method of linear table is divided into linked list and array. Set means set. Each element in a set is indep ...

preface Array is one of the common data types in JavaScript. I'll make a brief record and summary about its operation methods here. This paper mainly includes: Create arrayDetermine whether it is an arrayClass array and array conversionArray de duplication You can choose to eat according to your own needs. Create array Creating an array ...

preface Array is one of the common data types in JavaScript. I'll make a brief record and summary about its operation methods here. This paper mainly includes: Create array Determine whether it is an array Class array and array conversion Array de duplication You can choose to eat according to your own needs. Create array Creating an array i ...