Quick Sort Algorithm: Implementation and Analysis in C Language Quick Sort is an efficient sorting algorithm that employs a divide-and-conquer strategy. Due to its excellent performance, Quick Sort is widely used in practical applications. This article will delve into the basic principles of Quick Sort, its implementation in C language, and its performance analysis. 1. … Read more
Author: Jeremy AndrewsTranslator: Tu LingEditor: Cai FangfangLinux was born in 1991, and it has been 30 years since then. Although it started as a personal project of Linus, rather than a grand dream to develop a new operating system, Linux is now ubiquitous. Thirty years ago, when Linus Torvalds first released the Linux kernel, he … Read more
1. Core Features of Enum Types 1.1 Basic Definition and Underlying Principles The enum type is defined using the <span>enum</span> keyword to create a set of named integer constants, essentially assigning semantic names to integer values. The standard syntax is: enum EnumName {Element1, Element2, …}; Each enum element automatically increments from 0 by default, for … Read more
📌 Problem Description Write a program to input an integer array, remove duplicate elements in place, and return the new array content. Requirements: Space complexity O(1), meaning no extra array memory allocation Maintain the order of elements Example: Input: 3 2 2 4 3 → Output: 3,2,4 Input: 5 5 5 → Output: 5 Difficulty:⭐️⭐️ … Read more
C Language Review Materials for Final Exam Practice Questions and Answers Mind MapCopy the link to open and save in the browser: https://pan.xunlei.com/s/VOF4bIaPe4XAqG0QOjWDdY1qA1?pwd=ajyh# 20. Data Input 1) scanf(“a=%d,b=%d”,&a,&b) is a super important exam point! It is essential to remember that data must be entered in the terminal in the format of the first part. The … Read more
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[C Language Level 2 Exam Preparation Strategy | 30-Day Efficient Sprint Guide] 1. Clarify Key Exam PointsThe Level 2 C Language exam includes multiple-choice questions (40 points) and practical questions (60 points). Key areas to master include: data types, loop structures, arrays, functions, pointers, structures, and file operations. 2. Phased Preparation Plan Foundation Stage (10 … Read more
Main content: while statement, do statement, for statement, exit loop, empty statement, etc. A loop is a statement that repeatedly executes other statements (the loop body). In C language, each loop has a controlling expression. Each time the loop body is executed (the loop repeats once), the controlling expression is evaluated. If the expression is … Read more
“From today on, study hard and make progress every day” Repetition is the best method for memory; spend one minute every day to remember the basics of C language. 💻 From Beginner to Abandonment: Why 80% of People Can’t Learn C Language? Now I Understand, No Wonder I Can’t Learn It Either~ “C language is … Read more
1. Essential Differences: Low-Level Control vs High-Level Abstraction 1.1 Assembly Language: Direct Mapping to Hardware Assembly language is a mnemonic representation of machine instructions, closely coupled with the MCU architecture. Taking the assembly of ARM Cortex-M as an example: ; Add registers R1 and R2, store the result in R0 ADD R0, R1, R2 ; … Read more
Three Essential Elements of a Function Functionality, Parameters, Return Value. 1. Function Exercises 1. Define four functions to implement the operations of two integers: +, -, *, / my_add my_sub my_mul my_div After writing, test the functionality yourself. #include <stdio.h> int my_add(int x, int y); int my_sub(int x, int y); int my_mul(int x, int y); … Read more