C

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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.
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Track mentors

16 Mentors

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

3,910 Students

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

57 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!

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Exercism is a great website

What I like about it is that I am able to solve the challenges in a TDD way working in a environment that I am familiar (my own PC not a browser IDE) and the cherry on the top of the cake is that I have access to code reviews.

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 Ajo John

Ajo John https://github.com/ajomadlabs

I love Javascript. Great fan of Vuejs. Loves Open Source.
Avatar of Karthik Deepak Natraj

Karthik Deepak Natraj https://github.com/karbfg10k

I love Rust and C and use them at my day job in automotive. I work with Embedded software but I'm also reasonably familiar with systems programming as well
Avatar of Utkarsh Gupta

Utkarsh Gupta https://github.com/utkarsh2102

I love C because despite the prevalence of high-level languages, C continues to empower the world. I mostly code in C and also use it for open source projects.
Avatar of Chirag Mittal

Chirag Mittal https://github.com/mittalchirag

I love to spread my knowledge. I'm using C and C++ from past 4 years. I love them because of their simplicity and friendliness.
Avatar of Larry Ruane

Larry Ruane https://github.com/LarryRuane

I've been a C programmer for many years. I used to work at Bell Labs.
Avatar of Mayur Deepak Wadhwani

Mayur Deepak Wadhwani LinkedIn

I am constantly looking out ways to improve myself. At this stage, I feel like I am capable enough to mentor people.
Fun. Challenging. Interesting

Community-sourced C exercises

These are a few of the 57 exercises on the C track. You can see all the exercises here.

Prime Factors
easy
algorithms
math
Bracket Push
medium
control flow if statements
recursion
stacks
Hello World
easy
strings
Allergies
medium
control flow if statements
control flow loops
memory management
structs
Wordy
medium
algorithms
control flow if statements
functions
strings
Scrabble Score
medium
pointers
searching
strings
structs

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

Join the C Track