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
17
Arrays
17
Data Structures
16
Functional Programming
22
Fundamentals
19
Mathematics
1
Puzzles
1
Regular Expressions
4
Restricted
1
Strings
22
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
22 Kata Found
7 kyu
Coding Meetup #4 - Higher-Order Functions Series - Find the first Python developer
10,265
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
Regular Expressions
7 kyu
Coding Meetup #2 - Higher-Order Functions Series - Greet developers
12,732
PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #1 - Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe
16,456
PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #3 - Higher-Order Functions Series - Is Ruby coming?
11,053
PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
8 kyu
Dollars and Cents
25,805
kolohelios
1 Issue Reported
Functional Programming
Strings
Algorithms
7 kyu
Spanish Conjugator
1,206
Phares
Strings
Arrays
Functional Programming
Fundamentals
6 kyu
Temperature converter
1,005
kusm
5 Issues Reported
Functional Programming
Data Structures
Strings
Mathematics
Fundamentals
6 kyu
Alphabet slice puzzle!
138
KH!
Puzzles
Strings
Functional Programming
Restricted
6 kyu
Cookie Creator
101
lpabst
Strings
Functional Programming
Algorithms
6 kyu
Coding Meetup #13 - Higher-Order Functions Series - Is the meetup language-diverse?
3,122
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #10 - Higher-Order Functions Series - Create usernames
3,431
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #16 - Higher-Order Functions Series - Ask for missing details
2,515
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #15 - Higher-Order Functions Series - Find the odd names
3,876
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
7 kyu
Coding Meetup #14 - Higher-Order Functions Series - Order the food
5,372
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
7 kyu
Coding Meetup #12 - Higher-Order Functions Series - Find GitHub admins
6,000
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #7 - Higher-Order Functions Series - Find the most senior developer
5,928
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #9 - Higher-Order Functions Series - Is the meetup age-diverse?
3,711
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #8 - Higher-Order Functions Series - Will all continents be represented?
5,434
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
7 kyu
Coding Meetup #6 - Higher-Order Functions Series - Can they code in the same language?
8,471
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
7 kyu
Coding Meetup #11 - Higher-Order Functions Series - Find the average age
5,927
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
7 kyu
Podcast Speed Listening Calculator
348
LawEKS
Arrays
Strings
Functional Programming
Fundamentals
Beta
Lat/Long Parser
34
tmikeschu
1 Issue Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
5 kyu
Strings
Functional Programming
Fundamentals
Confirm
Collect:
undefined
Loading collection data...