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
Algorithms
23
Arrays
7
Binary
1
Binary Trees
1
Dynamic Programming
2
Fundamentals
13
Games
1
Geometry
1
Linked Lists
2
Lists
1
Logic
3
Mathematics
12
Matrix
1
Memoization
1
Performance
38
Permutations
1
Puzzles
2
Queues
1
Refactoring
1
Sorting
1
Statistics
1
Strings
2
Trees
1
Tutorials
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
38 Kata Found
6 kyu
Find the unique number
152,894
isqua
4 Issues Reported
Fundamentals
Algorithms
Arrays
Performance
7 kyu
The Poet And The Pendulum
4,801
MrZizoScream
4 Issues Reported
Fundamentals
Arrays
Algorithms
Performance
6 kyu
Triangles made of random points
235
Muchacos
Mathematics
Geometry
Algorithms
Arrays
Performance
Fundamentals
7 kyu
Over The Road
16,315
rge123
Fundamentals
Mathematics
Performance
6 kyu
Number Zoo Patrol
6,225
shawkinsl
Algorithms
Performance
Mathematics
8 kyu
Count Odd Numbers below n
55,937
kodejuice
1 Issue Reported
Performance
Mathematics
5 kyu
Maximum subarray sum
83,503
knotman90
3 Issues Reported
Algorithms
Lists
Dynamic Programming
Fundamentals
Performance
6 kyu
Possibilities of throwing a coin n times
1,117
gerardet46
2 Issues Reported
Mathematics
Statistics
Permutations
Performance
6 kyu
Summation Triangle #3
103
groskowski
Mathematics
Performance
6 kyu
Summation Triangle #2
238
groskowski
Mathematics
Performance
4 kyu
Spinning Rings - Fidget Spinner Edition
260
Voile
Performance
6 kyu
Checkerboard Resolution
439
Kacarott
Performance
Algorithms
Matrix
7 kyu
Summation Triangle #1
790
groskowski
Mathematics
Performance
6 kyu
Simple sum of pairs
1,014
KenKamau
3 Issues Reported
Fundamentals
Performance
7 kyu
Centered pentagonal number:
1,138
abdul07
1 Issue Reported
Performance
Logic
Fundamentals
1 kyu
7×7 Skyscrapers
2,079
JohanWiltink
1 Issue Reported
Algorithms
Games
Performance
4 kyu
Longest Common Subsequence (Performance version)
2,537
JohanWiltink
Performance
Strings
Dynamic Programming
Memoization
Algorithms
4 kyu
Count ones in a segment
3,280
d0n14
Binary
Performance
Algorithms
6 kyu
Numericals of a String
3,614
Jomopipi
Puzzles
Performance
Algorithms
6 kyu
Row of the odd triangle
3,913
shikyo
6 Issues Reported
Algorithms
Performance
4 kyu
Sort binary tree by levels
14,265
kars7e
1 Issue Reported
Trees
Binary Trees
Performance
Algorithms
Sorting
5 kyu
Can you get the loop ?
29,409
Devouring
11 Issues Reported
Algorithms
Linked Lists
Performance
6 kyu
Sums of Parts
25,393
g964
Fundamentals
Performance
Algorithms
4 kyu
Sum of Intervals
40,402
xDranik
Algorithms
Performance
5 kyu
Scramblies
57,605
joh_pot
6 Issues Reported
Strings
Performance
Algorithms
6 kyu
Next multiple of 5
338
Kees de Vreugd
Algorithms
Logic
Performance
5 kyu
Card Game
654
tonylicoding
Mathematics
Algorithms
Performance
5 kyu
Efficient Power Modulo n
1,191
osuushi
Mathematics
Algorithms
Performance
2 kyu
Insane Coloured Triangles
3,972
Bubbler
1 Issue Reported
Puzzles
Performance
Mathematics
6 kyu
Back and forth then Reverse!
1,852
RNOH
Algorithms
Performance
Arrays
Loading...
Confirm
Collect:
undefined
Loading collection data...