Recent Hot Articles 2025 Latest C Language Learning Path | Beginner, Intermediate, PracticalC Language Learning Guide: Have You Mastered These Core Knowledge Points?C Language Functions: From Beginner to Mastery – A Comprehensive GuideBeginner’s Guide to Avoiding Pitfalls in C Language: Avoid These 12 Devilish Details for Double Efficiency!C Language Examples | Creating, Inserting, and Traversing … Read more
Are the heights of the two rectangles the same? Please adjust your seating position and distance, and carefully look back and forth with the code.The light source is fixed at a certain position on the left, uniformly shining to the right, with equal spacing between each pair of adjacent white light beams. Two rectangles are … Read more
1. Branch Control Statements 1.2 switch..case Statement 1.2.1 Format switch(expression){ case constant_expression1: code_block1; break; case constant_expression2: code_block2; break; case constant_expressionn: code_blockn; break; default: other_branch; break;} 1.2.2 Notes 1. The expression is generally a variable, which can also be a variable expression, and the constant expressions after case represent all possible values of this variable; 2. … Read more
📌 Problem Description Write a function to swap the values of two integer variables. Example Input: a = 5, b = 10 Example Output: a = 10, b = 5 Difficulty: ⭐ (suitable for beginners, but how many methods can you think of?) 💡 Initial Thoughts You might think: “Isn’t this just using a temporary … Read more
This article is based on a thorough review of relevant authoritative literature and materials, forming professional and reliable content. All data in the article is verifiable and traceable. Special statement: The data and materials have been authorized. The content of this article does not involve any biased views and objectively describes the facts with a … Read more
In C language development, output management is a crucial part. The traditional <span>printf</span> function, while powerful, often fails to meet specific needs in terms of memory usage and flexibility, especially in embedded systems. To address these issues, <span>lwprintf</span> was born. This article introduces the background, core features, practical application scenarios of <span>lwprintf</span>, and summarizes the … Read more
Debugging Tools // Example code snippet for demonstration #include <stdio.h> int main() { printf("Hello, World!\n"); return 0; }</stdio.h> In this article, we will explore the usage of gdb in the C language and share some effective debugging techniques. Debugging is an essential part of the development process, allowing developers to identify and fix issues in … Read more
Build Tools: Writing and Using Makefile in C Language In software development, build tools are an indispensable part. For C language developers, Makefile is a widely used build tool that simplifies the process of compilation and linking. This article will provide a detailed introduction for basic users on how to write and use Makefile. What … Read more
Compiler Optimization Options: Analyzing GCC Optimization Parameters in C Language In C language development, the choice and use of the compiler are crucial. GCC (GNU Compiler Collection) is one of the most commonly used open-source compilers, providing a range of optimization options to improve the execution efficiency of generated code and reduce compilation time. This … Read more
int main(){ int i = 1, s = 0; do { s = s + i; i++; } while (i <= 100); printf(“%d”, s); return 0;} A program I wrote to calculate the sum of natural numbers. Well, it took about 1 hour. I can’t help it; I am a C enthusiast, but this is … Read more