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
8
Arrays
2
Data Structures
1
Filtering
1
Fundamentals
2
JSON
1
Mathematics
1
Matrix
1
Object-oriented Programming
1
Performance
1
Puzzles
1
Recursion
1
Searching
8
Sorting
2
Strings
2
Trees
1
Web Scraping
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
8 Kata Found
6 kyu
High score table
1,585
kingcobra
Algorithms
Sorting
Searching
Arrays
Object-oriented Programming
6 kyu
Wikidata Json Scraper
218
Captain Quack
1 Issue Reported
Algorithms
Web Scraping
Searching
JSON
Filtering
6 kyu
Find the Biggest Triangle
76
raulbc777
4 Issues Reported
Data Structures
Algorithms
Mathematics
Searching
Sorting
Fundamentals
6 kyu
#7 Matrices: Focused on the Contour
180
raulbc777
3 Issues Reported
Matrix
Algorithms
Searching
Fundamentals
Beta
Zip search
4
Madjosz
Status:
Testing & feedback needed
Estimated Rank:
6 kyu
Recursion
Algorithms
Trees
Searching
Strings
6 kyu
Identify Best Planet
271
Sommeba
Strings
Algorithms
Searching
6 kyu
What adds up
705
kaffepanna
6 Issues Reported
Arrays
Searching
Algorithms
5 kyu
Light Switch
163
wzy1935
Algorithms
Puzzles
Searching
Performance
Confirm
Collect:
undefined
Loading collection data...