“From today on, study hard and make progress every day” Repetition is the best way to memorize; spend one minute every day to remember the basics of C language. “Mastering C Language:C Language Graphical Programming and Game Programming“ “Mastering C Language” 2025 Dev C++ Latest Installation and Usage Guide (Includes Latest Download Link), this is … Read more
This is the 20th article in the introduction to C language. We will first review the definition and syntax of function calls, and then focus on formal parameters and actual parameters in functions. 1 Functions A C program consists of functions, and a program can contain multiple functions, but there can only be one main … Read more
A. Using const when declaring variables const int nochange; /* This restricts the value of the variable nochange from being modified */ const int nochange = 10; /* This statement is correct */ const int nochange; nochange = 10; /* The compiler will report an error because it cannot be assigned a value after declaration … Read more
Great! Below are the exercises related to Chapter 13 “Functions and One-Dimensional Arrays” in C language. Each code segment includes detailed comments and function descriptions to help you understand better. Exercise 1: Calculate the Sum of a One-Dimensional Array Requirement: Write a function to calculate the sum of all elements in a one-dimensional array. #include … Read more
As an embedded engineer, how can one write efficient and clear C language programs? Utilize the C language mindset for program structure construction Have a solid foundation in C language algorithms to implement the program’s logical structure Flexibly use pointer operations in C language Although the above statements may seem abstract and confusing, they essentially … Read more
Today, we will discuss a concept that is very important yet often overlooked in the use of floating point numbers (float) in C language—overflow and underflow. Do you remember the integer overflow phenomenon we encountered when discussing integer types? When a value exceeds the range that its type can express, it may “wrap around” to … Read more
Functions are one of the fundamental constructs in the C language, allowing code to be broken down into smaller, more manageable parts. Functions come in different types, depending on whether they accept parameters and return values. Here are four common types of functions: 1. No-parameter, no-return-value function 2. Parameter, no-return-value function 3. No-parameter, return-value function … Read more
In our daily programming, numerical calculations are commonplace, especially when it comes to decimals. However, have you ever encountered such a“supernatural event”: a simple floating-point operation yields unexpected deviations, such as missing 0.1 or having an extra 0.000001? This is not magic, but rather the “pitfalls” of floating-point precision loss in C language! Today, Teacher … Read more
1. Introduction The core idea of the factory pattern is to:separate the creation and use of objects. Just like when you go to a store to buy something, you don’t need to worry about how the product is made; you just need to tell the clerk what you need. Since this is a factory pattern, … Read more
One-Dimensional Arrays are collections of elements of the same type. They can be used to store multiple data items, and all data elements can be accessed via a single index. The size of an array is fixed and cannot be changed once defined. 1. Definition and Initialization of One-Dimensional Arrays Definition: In C language, a … Read more