Kata Library
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
1
Algorithms
19
Arrays
14
Combinatorics
1
Data Structures
3
Date Time
1
Debugging
1
Fundamentals
22
Games
1
Lists
4
Logic
2
Mathematics
4
Performance
1
Permutations
1
Puzzles
2
Regular Expressions
1
Sorting
43
Streams
1
Strings
43
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
43 Kata Found
6 kyu
Generate All Chess960 Positions
61
brodiemark
Games
Strings
Sorting
Beta
Digit Racers
17
Cloud Walker
Status:
Awaiting approval
Estimated Rank:
6 kyu
Strings
Sorting
Fundamentals
8 kyu
Sort and Star
52,664
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
Sorting
6 kyu
A String of Sorts
1,977
Lordnibbler
Strings
Sorting
Algorithms
7 kyu
Multiples By Permutations II
1,552
raulbc777
Fundamentals
Data Structures
Strings
Mathematics
Algebra
Sorting
Combinatorics
7 kyu
Sort by Last Char
10,032
PG1
1 Issue Reported
Fundamentals
Strings
Arrays
Sorting
7 kyu
Sort the Gift Code
21,879
xDranik
1 Issue Reported
Sorting
Strings
Fundamentals
7 kyu
Alphabetize a list by the nth character
2,036
edm2410
5 Issues Reported
Lists
Strings
Sorting
Arrays
Fundamentals
7 kyu
Sort the climbing grades
1,233
Chris_Rands
Fundamentals
Lists
Data Structures
Sorting
Arrays
Strings
7 kyu
Suzuki needs help lining up his students!
3,429
user8476848
Strings
Sorting
Fundamentals
6 kyu
Simple Fun #318: Sort String
514
myjinxin2015
Algorithms
Strings
Sorting
7 kyu
Ordering the words!
3,479
Parra_Inc
Strings
Sorting
Fundamentals
6 kyu
Sorting Book Titles: Ignoring Articles
96
GrahamD
1 Issue Reported
Lists
Strings
Sorting
Algorithms
6 kyu
Sort the columns of a csv-file
1,069
user5036852
Strings
Arrays
Algorithms
Sorting
7 kyu
The 12 Days of Christmas
1,313
dinglemouse
Strings
Sorting
Fundamentals
5 kyu
Count The Hits Adding Contiguous Powers!
46
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Permutations
Sorting
Logic
Strings
5 kyu
Sort - one, three, two
2,275
dinglemouse
Sorting
Strings
Algorithms
6 kyu
Prize Draw
7,184
g964
Fundamentals
Strings
Sorting
7 kyu
Odd-Even String Sort
18,933
Joz
Strings
Fundamentals
Sorting
7 kyu
Sort Santa's Reindeer
5,374
xDranik
Sorting
Arrays
Strings
Algorithms
6 kyu
Memesorting
313
Vlad Kirilenok
Strings
Regular Expressions
Fundamentals
Sorting
6 kyu
Sort sentence pseudo-alphabetically
1,447
Daremyth
2 Issues Reported
Sorting
Strings
Algorithms
Beta
Megavalanche Qualifiers
3
dfhwze
Status:
Testing & feedback needed
Estimated Rank:
4 kyu
Algorithms
Strings
Sorting
6 kyu
Alphabetized
3,588
kop
1 Issue Reported
Strings
Sorting
5 kyu
Rearrangement of Numbers to Have The Minimum Divisible by a Given Factor
152
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Sorting
Logic
Strings
Algorithms
7 kyu
Sort and Transform
1,670
PG1
1 Issue Reported
Fundamentals
Strings
Arrays
Sorting
Algorithms
Beta
Sort by number
170
yiorgos1973
1 Issue Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
7 kyu
Algorithms
Sorting
Strings
5 kyu
What Would They Have in Common?
86
raulbc777
1 Issue Reported
Mathematics
Strings
Data Structures
Sorting
Performance
Algorithms
Fundamentals
5 kyu
Render the Code Golf Champions
50
dfhwze
Arrays
Strings
Sorting
6 kyu
Sort Strings by Most Contiguous Vowels
1,196
jlb071
Fundamentals
Strings
Sorting
Loading...
Confirm
Collect:
undefined
Loading collection data...