Problem: Using the digits 1, 2, 3, and 4, how many distinct three-digit numbers can be formed without repeating any digits? What are they? NEXT Solution: #include<stdio.h> int main() { int i,j,k; printf(“\n”); for(i=1;i<5;i++) { // The following is a triple loop for(j=1;j<5;j++) { for (k=1;k<5;k++) { // Ensure i, j, and k are distinct … Read more
According to the understanding of beginners, the task of return is to return the corresponding parameter, which is further processed in the outer function. In fact, the usage of return is not limited to this. Returning parameter values from the called function This type of application is the most common, usually in a function with … Read more
Introduction In the field of image processing, performance and simplicity are always the goals pursued by developers. Today, we introduce an open-source project—PlutoFilter—which is a lightweight, high-performance, and feature-rich image filter library. It is written in pure C language, consists of a single header file, and does not use dynamic memory allocation at all, making … Read more
Scan to follow Chip Dynamics , say goodbye to “chip” congestion! Search WeChatChip Dynamics Hello everyone! Today we will talk about a small technique in C language that is both efficient and easy to “misfire”—the Inline Function! Have you ever encountered a situation where you wrote a super simple function, but the overhead of calling … Read more
Recommended Reading C Language Learning Guide: Have You Mastered These Core Knowledge Points? C Language Functions: From Beginner to Proficiency, Understand It All in One Article C Language Pointers: From Beginner to Proficiency, Understand It All in One Article C Language Arrays: From Beginner to Proficiency, Understand It All in One Article C Language Structures: … Read more
In modern computer networks, a socket is the fundamental interface for network communication. Through sockets, programs can transfer data between different hosts. This article will introduce how to implement simple network programming using C, including creating a server and a client. 1. Introduction to Sockets A socket is a mechanism for inter-process communication that provides … Read more
Some textbooks describe pre-increment/decrement and post-increment/decrement as follows: Note: Within an expression, the increment/decrement operators may behave differently as part of the operation. If the increment/decrement operator is placed before the variable, the increment or decrement operation is completed before the variable participates in the expression; if the operator is placed after the variable, the … Read more
C Language String Handling Techniques: How to Efficiently Operate on Character Arrays In C language, strings are stored as character arrays. Although C does not have a built-in string type, we can efficiently handle strings using character arrays and some standard library functions. This article will introduce some commonly used string handling techniques and provide … Read more
Follow+Star Public Account Number, don’t miss the wonderful content Editor | StrongerHuang WeChat Public Account | Embedded ColumnThe C language has been around for over 50 years, and it is a classic and commonly used programming language. Most universities require students to learn C language as part of their curriculum, and in the embedded field, … Read more
Today, I would like to share a question from a follower: As a first-year communication student in a private university, I only have a basic understanding of C language and am interested in pursuing embedded development. Should I start with STM32, 51, or Linux? Next, I will share the specific question from the follower and … Read more