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
9
Algorithms
147
Arrays
28
Big Integers
2
Binary
3
Combinatorics
6
Cryptography
1
Data Science
2
Data Structures
9
Date Time
3
Discrete Mathematics
3
Functional Programming
1
Fundamentals
158
Game Solvers
1
Games
6
Geometry
27
Graph Theory
2
Graphs
1
Language Features
1
Linear Algebra
2
Lists
6
Logic
18
Mathematics
302
Matrix
8
Number Theory
7
Object-oriented Programming
1
Parsing
1
Performance
12
Permutations
2
Probability
1
Puzzles
38
Recursion
5
Restricted
4
Security
1
Sorting
3
Statistics
2
Strings
15
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
302 Kata Found
6 kyu
Integers: Recreation Two
1,025
g964
1 Issue Reported
Fundamentals
Mathematics
Puzzles
7 kyu
Return the first M multiples of N
10,252
diophore
6 Issues Reported
Mathematics
Fundamentals
4 kyu
Smallest possible sum
8,295
dkhaburdzania
7 Issues Reported
Algorithms
Mathematics
Arrays
6 kyu
Steps in k-primes
1,001
g964
1 Issue Reported
Mathematics
Number Theory
5 kyu
Is my friend cheating?
18,387
g964
7 Issues Reported
Fundamentals
Mathematics
Puzzles
7 kyu
Area of an arrow
7,564
@m1ll
Mathematics
7 kyu
Functions of Integers on Cartesian Plane
3,364
g964
1 Issue Reported
Fundamentals
Mathematics
6 kyu
Persistent Bugger.
209,636
joh_pot
Fundamentals
Mathematics
4 kyu
Explosive Sum
9,241
surtich
2 Issues Reported
Algorithms
Mathematics
Fundamentals
7 kyu
Finding Remainder Without Using '%' Operator
3,025
DivyanshBatham
2 Issues Reported
Mathematics
Restricted
Algorithms
7 kyu
Driving School Series #2
3,781
kkavita92
1 Issue Reported
Mathematics
Fundamentals
7 kyu
Cartesian neighbors
3,464
febonachi
2 Issues Reported
Fundamentals
Mathematics
8 kyu
Volume of a Cuboid
121,160
user5196477
Geometry
Fundamentals
Mathematics
8 kyu
Twice as old
82,475
petrosernivka
Fundamentals
Mathematics
8 kyu
Keep Hydrated!
236,693
paulrichard
1 Issue Reported
Algorithms
Mathematics
Fundamentals
7 kyu
Matrix Addition of Elements
1,294
S!D
Matrix
Fundamentals
Arrays
Mathematics
7 kyu
Square Every Digit
335,392
MysteriousMagenta
2 Issues Reported
Mathematics
Fundamentals
5 kyu
Diophantine Equation
5,044
g964
1 Issue Reported
Fundamentals
Mathematics
Algebra
7 kyu
Numbers Which Sum of Powers of Its Digits Is The Same Number
3,382
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Data Structures
3 kyu
Screen Locking Patterns
5,183
rsalgado
2 Issues Reported
Mathematics
Combinatorics
Geometry
Algorithms
Graph Theory
4 kyu
Number of Proper Fractions with Denominator d
5,607
GiacomoSorbi
4 Issues Reported
Fundamentals
Mathematics
6 kyu
Financing Plan on Planet XY140Z-n
4,952
g964
3 Issues Reported
Mathematics
Algorithms
8 kyu
Quarter of the year
127,562
Orses
Fundamentals
Mathematics
4 kyu
Adding Big Numbers
34,629
Becojo
4 Issues Reported
Mathematics
Big Integers
Algorithms
7 kyu
Average Scores
7,765
twinbird24
1 Issue Reported
Mathematics
Fundamentals
6 kyu
How many permutations where indices change by at most 1
215
benjaminzwhite
Fundamentals
Algorithms
Puzzles
Mathematics
Discrete Mathematics
8 kyu
Will you make it?
160,490
user2514386
Mathematics
Fundamentals
7 kyu
Triangular Treasure
29,437
JulianNicholls
2 Issues Reported
Algorithms
Mathematics
7 kyu
Powers of 3
4,036
kjytay
2 Issues Reported
Mathematics
Algorithms
6 kyu
Build a pile of Cubes
90,141
g964
2 Issues Reported
Mathematics
Algorithms
Loading...
Confirm
Collect:
undefined
Loading collection data...