C

Join the C Track
C is a small, general-purpose, imperative programming language with a static type system, scopes, and structures. It's typically used as an alternative to assembly programming, such as in operating systems.
Join the C Track
Track mentors

23 Mentors

Our mentors are friendly, experienced C developers who will help teach you new techniques and tricks.
Track students

14,525 Students

Join thousands of students who have enjoyed learning and improving their skills by taking this track.
Track exercises

69 Exercises

Hundreds of hours have gone into making these exercises fun, useful, and challenging to help you enjoy learning.

About C

#include <stdio.h>

int main(int argc, char* argv[]) {
	printf("Hello, World!\n");
}

C is a general purpose language, used for a wide range of applications, from embedded computers to high-performance computing clusters.

C is commonly found in low level applications as it's a good alternative to harder-to-read assembly languages. It can be compiled to assembly to keep the same level of performance, while increasing readability, and providing a small level of safety with static types!

C was created by Dennis Ritchie at Bell Labs, and used to re-implement the Unix operating system. Now, it's one of the most used programming languages, with many compilers supporting providing support for most available hardware and platforms - there's plenty of resources and support available to help you get started!

Join the C track

Exercism is a great website

Exercism is a great website where I was able to have some very interesting challenges.

Relaxed. Encouraging. Supportive.

Meet the C Track mentors

Once you join the C language track, you will receive support and feedback from our team of mentors. Here are the bios of a few of the mentors of this track.

Avatar of Karthik Nayak

Karthik Nayak https://github.com/KarthikNayak

The language which got me interested in programming. Most of my open source contributions have been in C.
Avatar of Alexis Lu

Alexis Lu

I am using C and C++ for some years. C is more friendly when compile to assembly.
Avatar of Daniel Heater

Daniel Heater http://www.heatertech.com

I've been writing code for 35+ years and I continue to learn things when I read another person's code
Avatar of Nate Avers

Nate Avers https://github.com/nateavers

I'm a professional C developer, have substantial experience with Python, and have worked on and off with several other languages. Rust is my favorite new language. I know a little bit about a lot, so send me questions!
Avatar of Lorraine Lee

Lorraine Lee There is no enemy anywhere.

Just an enthusiast programmer
Avatar of Sherwood Nelson

Sherwood Nelson https://github.com/setn4me

I am very interested in the theory of OS. Most OS kernels were written in C, for example, the Linux kernel. I would like to teach beginners programming in C, because C uses a large number of low-level concepts that every programmer should know.
Fun. Challenging. Interesting

Community-sourced C exercises

These are a few of the 69 exercises on the C track. You can see all the exercises here.

Word Count
easy
filtering
memory management
strings
structs
Luhn
easy
algorithms
strings
Darts
easy
control flow if else statements
math
logic
Robot Simulator
easy
control flow if statements
pointers
strings
structs
variable argument lists
Binary Search Tree
medium
arrays
control flow loops
recursion
structs
Pangram
easy
control flow if else statements
control flow loops
strings
Passionate. Knowledgeable. Creative.

Meet the C Track maintainers

The C Maintainers are the brains behind the C Track. They spend their spare time creating interesting and challenging exercises that we can all learn from. We are incredibly grateful for their hard work. Here are the bios of a few of the maintainers of this track.

Avatar of Ryan Hartlage

Ryan Hartlage

This maintainer has not added their bio yet.
Avatar of wolf99

wolf99 My GitHub Profile

This maintainer has not added their bio yet.
Avatar of Barrett

Barrett

This maintainer has not added their bio yet.

Get started with the C track. As with everything on Exercism, it's 100% free!

Join the C Track