Your 30‑Day C Programming Series Click any day below to jump straight to that lesson (opens in a new tab): Day 0: Unlock C Programming in 30 Days Your ultimate self‑study guide introduction—your roadmap for the entire 30‑day journey. Read Day 0 Day 1: What is Programming & Setting Up Your C Lab Understand programming basics and install GCC + VS Code so you’re ready to code. Read Day 1 Day 2: Write Your First “Hello, World!” Learn the anatomy of a C program and compile & run your very first C code . Read Day 2 Day 3: Variables & Basic Data Types Discover how to store and print integers, floats, and characters in C . Read Day 3 Day 4: Interactive Input with scanf Make your programs listen—read numbers, floats, and chars from the user. Read Day 4