Kata Library: C Practice
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
Algebra
4
Algorithms
146
Arrays
14
Big Integers
2
Binary
2
Combinatorics
4
Cryptography
1
Data Structures
7
Date Time
3
Discrete Mathematics
1
Fundamentals
45
Game Solvers
1
Games
3
Geometry
14
Graph Theory
2
Linear Algebra
1
Lists
2
Logic
13
Mathematics
146
Matrix
5
Number Theory
1
Object-oriented Programming
1
Parsing
1
Performance
5
Permutations
1
Puzzles
11
Recursion
3
Restricted
2
Sorting
3
Strings
6
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
146 Kata Found
6 kyu
Multiples of 3 and 5 redux
1,967
yumaikas
Algorithms
Mathematics
5 kyu
Mean Square Error
22,185
kylehill
Arrays
Mathematics
Algorithms
6 kyu
Mutual Recursion
8,655
dnolan
1 Issue Reported
Mathematics
Algorithms
Recursion
6 kyu
Sum of Digits / Digital Root
288,456
user578387
3 Issues Reported
Mathematics
Algorithms
4 kyu
Adding Big Numbers
33,958
Becojo
4 Issues Reported
Mathematics
Big Integers
Algorithms
7 kyu
Sort rectangles and circles by area II
2,855
JohanWiltink
Fundamentals
Algorithms
Sorting
Mathematics
Geometry
6 kyu
Coprimes up to N
985
rasmus_ri
1 Issue Reported
Mathematics
Algorithms
8 kyu
Points of Reflection
10,873
webtechalex
Mathematics
Geometry
Algorithms
7 kyu
Total Sums of Coefficients of a Binomial Raised to the Nth-Power
378
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
8 kyu
Keep Hydrated!
231,862
paulrichard
Algorithms
Mathematics
Fundamentals
6 kyu
Remove a Specific Element of an Array
943
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
Estimating Amounts of Subsets
2,264
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Triangles made of random points
235
Muchacos
Mathematics
Geometry
Algorithms
Arrays
Performance
Fundamentals
7 kyu
Help the farmer to count rabbits, chickens and cows
1,039
andriyrom
2 Issues Reported
Fundamentals
Algorithms
Mathematics
6 kyu
Ackermann Function
3,896
user3482173
4 Issues Reported
Mathematics
Algorithms
Recursion
5 kyu
k-Primes
3,105
g964
3 Issues Reported
Number Theory
Mathematics
Algorithms
4 kyu
Twice linear
24,225
g964
Mathematics
Algorithms
6 kyu
Tortoise racing
32,524
g964
Fundamentals
Mathematics
Algorithms
4 kyu
Sum by Factors
20,019
g964
3 Issues Reported
Arrays
Algorithms
Mathematics
5 kyu
Perimeter of squares in a rectangle
43,522
g964
3 Issues Reported
Mathematics
Algorithms
5 kyu
Numbers that are a power of their sum of digits
2,112
raulbc777
3 Issues Reported
Algorithms
Mathematics
Sorting
Data Structures
Fundamentals
7 kyu
Boiled Eggs
16,753
BattleRattle
Mathematics
Algorithms
6 kyu
Financing Plan on Planet XY140Z-n
4,882
g964
3 Issues Reported
Mathematics
Algorithms
6 kyu
Build a pile of Cubes
88,942
g964
2 Issues Reported
Mathematics
Algorithms
6 kyu
Bouncing Balls
93,552
g964
1 Issue Reported
Puzzles
Algorithms
Mathematics
6 kyu
Banker's Plan
5,075
g964
Mathematics
Algorithms
6 kyu
A disguised sequence (I)
4,906
g964
2 Issues Reported
Algorithms
Mathematics
6 kyu
A Rule of Divisibility by 13
16,048
g964
2 Issues Reported
Fundamentals
Algorithms
Mathematics
6 kyu
Number Zoo Patrol
6,225
shawkinsl
Algorithms
Performance
Mathematics
6 kyu
Sharkovsky's Theorem
245
mouloud
1 Issue Reported
Mathematics
Algorithms
Loading...
Confirm
Collect:
undefined
Loading collection data...