📌 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
[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
1. What are the methods of memory allocation in C language? ▍Technical Principles Explained In embedded systems, the memory allocation mechanism directly affects the stability and performance of programs. C language manages memory through the following three methods: Memory Allocation Methods Low-Level Mechanism Analysis: 1. Static Storage Area Lifecycle: Allocated at program startup, released at … 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
1. The Basic Relationship Between const and Pointers In C, the combination of the const keyword with pointers can create a powerful type safety protection mechanism. Depending on the position of const, four different pointer types can be generated: int a = 10; int b = 20; // 1. Pointer to a constant const int … Read more
Today, let’s talk about one-dimensional arrays in C language—this “data treasure trove” in the programming world. A one-dimensional array is like your personal library, helping you store and manage a large amount of data in an orderly manner. Mastering the principles and usage of one-dimensional arrays will make your programming more efficient and precise. The … 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
Follow and star our official account, to access exciting content Source: zhzht19861011 Introduction When a project team undertakes a relatively complex engineering task, it means that you are no longer working alone. Instead, you collaborate with team members, each responsible for a part of the project. For example, you might only be responsible for the … Read more
Detailed Configuration of Embedded Linux Buildroot Environment: Building an Efficient and Stable Development Platform Introduction Buildroot, as a lightweight embedded Linux system construction tool, is widely popular in industrial control and IoT device development due to its simplicity and efficiency. This article will detail how to use Buildroot to set up a complete embedded Linux … Read more