Category Programming Language

Level 1. Introduction to C 1.7. Data Structures All variables in one place Being able to represent integers, floating-point numbers, characters, and pointers (i.e., memory addresses) is cool. But what if you wanted to represent more complex and/or abstract objects?…

Level 1. Introduction to C 1.6. Arrays Hold my integers Imagine a case where you need to work with tabular-like data of the ages of 50 people. How would you store these numbers in the computer’s memory? Would you type…

Level 1. Introduction to C 1.5. Pointers How to think about a computer’s memory You may have already had a suspicious look at your personal computer at home and wondered how that thing’s memory system works. Well, here is how…

Level 1. Introduction to C 1.4. Control Flow Branching is a strategy to make perfect plans in the imperfect or incomplete world. The control flow of a program execution is the path of sequential instructions the computer executes while running…

Level 1. Introduction to C 1.3. Functions I receive Inputs, You receive Output What is a function? Roughly speaking, in the mathematical sense, it is a mapping from some input space to some output space such that no two different…

Level 1. Introduction to C 1.2. Basics Your computer can memorize things One of the things that you can make your computer remember is integer numbers. As one would do in math, you can assign numbers to variables (usually to…

Level 1. Introduction to C 1.1. Hello, World! What if I told you that you could talk to your computer via text files? Yeah, that’s right. Opening up a text file is like opening your messaging app to talk to…