What impact does dividing a project into many small files have?

Splitting a project into many small files in C/C++ has several important advantages:

• Improved readability and maintainability of code. Each file is responsible for a separate module or functionality, which simplifies understanding and locating the needed code.
• Reduced compilation time. When one file is changed, only that file and its dependencies are recompiled, not the entire project.
• Increased reusability. Modules can be used in different parts of the project or even in other projects.
• Simplified teamwork. Multiple developers can work in parallel on different files without conflicts.

However, overly fine-grained splitting can lead to navigation difficulties and an increase in dependencies, so it is important to find a balance.