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
Algorithms
5
Arrays
9
Binary
1
Bits
1
Data Structures
1
Fundamentals
4
Lists
9
Sorting
9
Strings
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
9 Kata Found
5 kyu
Don't Drink the Water
2,860
NateBrady23
Algorithms
Arrays
Sorting
Lists
7 kyu
Sort by binary ones
1,177
guumaster
Arrays
Lists
Algorithms
Sorting
Binary
Bits
7 kyu
Alphabetize a list by the nth character
2,045
edm2410
5 Issues Reported
Lists
Strings
Sorting
Arrays
Fundamentals
Beta
Sorting Singularly Nested Lists by Depth
43
DrillToHeaven
Status:
Testing & feedback needed
Estimated Rank:
7 kyu
Lists
Arrays
Sorting
7 kyu
Sort the climbing grades
1,240
Chris_Rands
Fundamentals
Lists
Data Structures
Sorting
Arrays
Strings
7 kyu
Sorted Union
1,939
GiacomoSorbi
Arrays
Lists
Algorithms
Sorting
8 kyu
Sort My Textbooks
8,428
Heated
1 Issue Reported
Lists
Sorting
Fundamentals
Arrays
7 kyu
Sort the Unsortable
348
saudiGuy
Algorithms
Arrays
Sorting
Lists
Beta
sorting via exchange of 2 elements
7
Marty3000
2 Issues Reported
Status:
Testing & feedback needed
Estimated Rank:
4 kyu
Lists
Fundamentals
Algorithms
Sorting
Arrays
Confirm
Collect:
undefined
Loading collection data...