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
Algebra
1
Algorithms
28
Arrays
6
Combinatorics
6
Cryptography
1
Data Science
1
Data Structures
8
Date Time
1
Dynamic Programming
1
Fundamentals
19
Games
4
Graphs
1
Interpreters
1
Lists
1
Logic
5
Mathematics
26
Matrix
1
Memoization
1
Number Theory
3
Parsing
1
Performance
4
Permutations
49
Probability
3
Puzzles
4
Recursion
2
Sorting
3
Statistics
4
Strings
11
Theorem Proving
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
49 Kata Found
5 kyu
Tracking Hits for Different Sum Values for Different Kinds of Dice
710
raulbc777
2 Issues Reported
Mathematics
Statistics
Probability
Permutations
Data Science
4 kyu
Permutational Primes
577
raulbc777
1 Issue Reported
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
5 kyu
Sorting Arrays by the Amount of Perfect Squares that Each Element May Generate
498
raulbc777
1 Issue Reported
Algorithms
Mathematics
Number Theory
Permutations
6 kyu
Score From Permutations Of Combinations of an Integer
328
raulbc777
Fundamentals
Mathematics
Permutations
5 kyu
Generate Numbers From Digits #2
112
raulbc777
Fundamentals
Logic
Strings
Data Structures
Algorithms
Mathematics
Number Theory
Permutations
5 kyu
Find All the Possible Numbers Multiple of 3 with the Digits of a Positive Integer.
303
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
Permutations
6 kyu
Allergy to Palindromes.
477
raulbc777
Fundamentals
Algorithms
Mathematics
Performance
Permutations
4 kyu
Permutation by number
130
Stein256
Algorithms
Mathematics
Strings
Permutations
6 kyu
Sum of all numbers with the same digits (performance edition)
390
tonylicoding
1 Issue Reported
Performance
Permutations
Fundamentals
4 kyu
Permutation Square Roots
31
kinotherapy
Mathematics
Permutations
Arrays
6 kyu
Largest Number Arrangement
565
belenox
3 Issues Reported
Permutations
Fundamentals
5 kyu
Josephus Permutation
16,870
GiacomoSorbi
1 Issue Reported
Mathematics
Permutations
Algorithms
Combinatorics
4 kyu
So Many Permutations!
50,259
BattleRattle
1 Issue Reported
Permutations
Strings
Algorithms
5 kyu
1's, 0's and wildcards
1,832
Tefferson
Combinatorics
Strings
Permutations
Puzzles
6 kyu
Is Divisible By 6 Mk II
321
GiacomoSorbi
Permutations
Strings
Combinatorics
Number Theory
Fundamentals
6 kyu
Possibilities of throwing a coin n times
1,129
gerardet46
2 Issues Reported
Mathematics
Statistics
Permutations
Performance
6 kyu
Cycles for permutations
28
IttayWeiss
Mathematics
Permutations
5 kyu
Count The Hits Adding Contiguous Powers!
46
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Permutations
Sorting
Logic
Strings
Beta
Signs and Numerals
7
ForemanPig
Status:
Testing & feedback needed
Estimated Rank:
4 kyu
Algorithms
Dynamic Programming
Interpreters
Mathematics
Parsing
Permutations
Recursion
Sorting
6 kyu
A1 Thick and Hearty
224
hamurai
1 Issue Reported
Lists
Permutations
Fundamentals
4 kyu
Hide a message in a deck of playing cards
292
Zwyx
Cryptography
Mathematics
Games
Permutations
Algorithms
7 kyu
Playing Cards Draw Order – Part 1
1,078
Zwyx
3 Issues Reported
Mathematics
Games
Permutations
6 kyu
#6 Matrices: How Many Matrices Do These Elements Produce?
210
raulbc777
Permutations
Matrix
Data Structures
Fundamentals
6 kyu
Highest Perfect Square with Same Digits
249
raulbc777
1 Issue Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Performance
Permutations
4 kyu
Great Total Additions of All Possible Arrays from a List.
784
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Permutations
6 kyu
Permutations Of An Array And Associated Values
386
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Data Structures
Permutations
Algorithms
Beta
Scrambled Maze
7
dfhwze
Status:
Ranking feedback needed
Estimated Rank:
4 kyu
Puzzles
Algorithms
Strings
Permutations
Beta
Round Robin Match Generator
14
MykolaVuy
Status:
Testing & feedback needed
Estimated Rank:
4 kyu
Algorithms
Mathematics
Logic
Permutations
Arrays
5 kyu
All Star Code Challenge #19
757
shaddyjr
Strings
Combinatorics
Permutations
Arrays
Fundamentals
6 kyu
Multiples by permutations
634
raulbc777
3 Issues Reported
Algorithms
Data Structures
Permutations
Mathematics
Fundamentals
Loading...
Confirm
Collect:
undefined
Loading collection data...