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
13
Arrays
2
Fundamentals
5
Games
1
Interpreters
1
Linear Algebra
1
Logic
2
Mathematics
5
Matrix
2
Parsing
1
Performance
1
Puzzles
13
Refactoring
1
Restricted
13
Strings
4
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
13 Kata Found
6 kyu
One line task: Multiples of 3 and 5
170
Firefly2002
Mathematics
Games
Refactoring
Algorithms
Restricted
Puzzles
5 kyu
One-Semicolon Matrix Multiplication
93
phantamanta44
Linear Algebra
Matrix
Algorithms
Puzzles
Restricted
6 kyu
One-Semicolon Vector Dot Product
143
phantamanta44
Algorithms
Fundamentals
Restricted
Puzzles
7 kyu
MOD 256 without the MOD operator
3,261
user5036852
3 Issues Reported
Algorithms
Fundamentals
Logic
Mathematics
Restricted
Puzzles
5 kyu
[Code Golf] Array Normalisation Puzzle
11
dfhwze
Puzzles
Algorithms
Arrays
Restricted
Mathematics
5 kyu
Square root digits
31
RealKenshiro
Mathematics
Algorithms
Puzzles
Restricted
5 kyu
Build a pile of cubes [Code-golf]
68
___i
1 Issue Reported
Algorithms
Puzzles
Performance
Restricted
Beta
[BF] Memory Limited Logical Edition: The full package (Using only 2 cells)
5
Just4FunCoder
Status:
Ranking feedback needed
Estimated Rank:
5 kyu
Logic
Algorithms
Strings
Puzzles
Restricted
6 kyu
[Code Golf] Spinning Wheels
29
dfhwze
Puzzles
Algorithms
Arrays
Mathematics
Restricted
Beta
Brick by Boring Brick - Mathematical expression interpreter
4
morganbarrett
2 Issues Reported
Status:
Testing & feedback needed
Estimated Rank:
2 kyu
Algorithms
Interpreters
Fundamentals
Parsing
Strings
Restricted
Puzzles
6 kyu
[BF] Memory Limited : Print Last/First Chars (Using only 3 cells)
88
iNont
Fundamentals
Algorithms
Strings
Puzzles
Restricted
4 kyu
[BF] Memory Limited : Repeat Input (Using only 12 cells)
37
iNont
Fundamentals
Algorithms
Strings
Puzzles
Restricted
6 kyu
One Line Task: Pyramid Matrix
56
myjinxin2015
Puzzles
Restricted
Matrix
Algorithms
Confirm
Collect:
undefined
Loading collection data...