Getting Started

Write, compile and run your first C programs.

1.1C's "Hello, World!" Explained Line by Line (for R & Python Users)A line-by-line breakdown of the classic C Hello World program — what each part does, why C requires it, and how it compares to Python and R.Reading5 min1.2How to Test a Small C Snippet QuicklyThe fastest ways to try a few lines of C: online compilers, a one-line gcc build-and-run command, editor shortcuts, and feeding input from a file.Reading5 min