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
48
Arrays
3
Combinatorics
1
Data Structures
36
Dynamic Programming
1
Fundamentals
48
Geometry
6
Logic
48
Mathematics
48
Matrix
1
Memoization
1
Number Theory
1
Object-oriented Programming
1
Performance
1
Permutations
3
Puzzles
2
Recursion
1
Restricted
1
Sorting
5
Strings
20
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
48 Kata Found
6 kyu
Selecting Quotients From an Array
276
raulbc777
1 Issue Reported
Fundamentals
Data Structures
Algorithms
Sorting
Mathematics
Logic
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
395
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
Recursion
Dynamic Programming
7 kyu
Total Sums of Coefficients of a Binomial Raised to the Nth-Power
378
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
Remove a Specific Element of an Array
949
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
5 kyu
Pandigital Powers
144
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Map and Filter to Get a Special Sequence of Integers
133
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Generate Numbers From Digits #2
111
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 the Partition with Maximum Product Value
424
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
5 kyu
Find All the Possible Numbers Multiple of 3 with the Digits of a Positive Integer.
297
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.
193
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
How many numbers III?
4,510
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
Lexicographic Permutations
172
mxwil
1 Issue Reported
Fundamentals
Algorithms
Combinatorics
Mathematics
Logic
3 kyu
Do not loose at tic-tac-toe!
211
user5036852
Fundamentals
Arrays
Logic
Mathematics
Algorithms
6 kyu
Search The 0 Sums Combinations in an Array
328
raulbc777
6 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
These aren't the numbers you're looking for! (Find a number by approximation)
527
user5036852
Fundamentals
Logic
Mathematics
Algorithms
6 kyu
Points in the circle
2,077
hubencu_st
1 Issue Reported
Geometry
Algorithms
Logic
Mathematics
Fundamentals
7 kyu
MOD 256 without the MOD operator
3,264
user5036852
3 Issues Reported
Algorithms
Fundamentals
Logic
Mathematics
Restricted
Puzzles
7 kyu
Next Palindromic Number.
4,034
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Fold an array
11,409
user5036852
Fundamentals
Logic
Mathematics
Algorithms
6 kyu
Find the integer Partition of k-Length With Maximum or Minimum Value For Its Product Value
455
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Geometric Mean II
163
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
Coloured Lattice Points Forming Coloured Triangles
578
raulbc777
1 Issue Reported
Fundamentals
Data Structures
Algorithms
Geometry
Mathematics
Logic
Strings
6 kyu
Counting Rectangle Triangles
452
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Geometry
Algorithms
Logic
7 kyu
Geometric Mean I
626
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
5 kyu
Maximum Subarray Sum II
545
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Sorting
5 kyu
Max & Min Numbers Concatenation with Constraints
43
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
Find Product Partitions With Maximum or Minimum Score
182
raulbc777
5 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Loading...
Confirm
Collect:
undefined
Loading collection data...