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
ASCII Art
2
Algorithms
47
Arrays
7
Ciphers
1
Data Structures
22
Dynamic Programming
1
Fundamentals
39
Games
3
Geometry
4
Lists
1
Logic
64
Logic Programming
1
Mathematics
25
Networks
1
Number Theory
1
Object-oriented Programming
2
Parsing
5
Performance
2
Permutations
4
Puzzles
10
Recursion
1
Regular Expressions
5
Restricted
1
Riddles
1
Simulation
1
Sorting
2
Strings
64
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
64 Kata Found
Beta
Who’s That Man in the Picture?
18
Bree-Mass
Status:
Testing & feedback needed
Estimated Rank:
6 kyu
Logic
Strings
Arrays
Parsing
Fundamentals
Riddles
6 kyu
Palindrome for your Dome
3,608
driedyam
2 Issues Reported
Logic
Strings
Algorithms
7 kyu
SevenAte9
6,431
debri
Logic
Strings
Fundamentals
6 kyu
Find a Bunch of Common Elements of Two Lists in a Certain Range
911
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Working With Coloured Numbers
394
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
Recursion
Dynamic Programming
6 kyu
Word Challenges at School
608
raulbc777
5 Issues Reported
Fundamentals
Logic
Strings
Data Structures
Algorithms
5 kyu
Pandigital Powers
143
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Map and Filter to Get a Special Sequence of Integers
132
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Generate Numbers From Digits #2
110
raulbc777
Fundamentals
Logic
Strings
Data Structures
Algorithms
Mathematics
Number Theory
Permutations
6 kyu
Generating Numbers From Digits #1
368
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Find All the Possible Numbers Multiple of 3 with the Digits of a Positive Integer.
296
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
Permutations
6 kyu
Estimating Amounts of Subsets
2,266
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Building a Sequence Cocatenating Digits with a Given Order.
192
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Polynomials II: Coefficients In a List
277
raulbc777
Fundamentals
Mathematics
Strings
Logic
8 kyu
The Wide-Mouthed frog!
38,549
nbeck
2 Issues Reported
Strings
Logic
Fundamentals
7 kyu
Say Me Please Operations
1,448
hubencu_st
1 Issue Reported
Algorithms
Logic
Strings
Lists
7 kyu
Sushi-go-round (Beginner's)
1,523
artuKam
1 Issue Reported
Fundamentals
Strings
Logic
7 kyu
Determine if the poker hand is flush
6,259
CodingWarrior
1 Issue Reported
Arrays
Algorithms
Logic
Strings
Games
7 kyu
Coloured Triangles
11,213
Avanta
Logic
Strings
Algorithms
6 kyu
String Suffixes
1,265
debri
Strings
Logic
Arrays
Algorithms
6 kyu
Remember
1,300
debri
2 Issues Reported
Logic
Strings
Arrays
Algorithms
7 kyu
Mobile operator detector
1,222
veitsi
2 Issues Reported
Logic
Strings
Regular Expressions
Fundamentals
Beta
Tic-Tac-Toe Winner
89
chris_w
3 Issues Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
5 kyu
Logic
Strings
Puzzles
Games
Fundamentals
6 kyu
#01 - Music theory - Minor/Major chords
301
aniametz
Strings
Data Structures
Logic
Fundamentals
5 kyu
Count The Hits Adding Contiguous Powers!
45
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Permutations
Sorting
Logic
Strings
Beta
MAQE Challenge -- MAQE Bot -- Part 1
6
ahmadSaeedGoda
Status:
Testing & feedback needed
Estimated Rank:
5 kyu
Fundamentals
Algorithms
Logic
Logic Programming
Object-oriented Programming
Parsing
Simulation
Strings
7 kyu
Crossed words
199
sgoi
Strings
Algorithms
Logic
Puzzles
7 kyu
Next Palindromic Number.
4,030
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Srot the inner ctonnet in dsnnieedcg oredr
4,360
user5036852
1 Issue Reported
Strings
Logic
Algorithms
3 kyu
Alphabetic Anagrams
6,670
Azuaron
3 Issues Reported
Mathematics
Logic
Strings
Algorithms
Loading...
Confirm
Collect:
undefined
Loading collection data...