Kata Library: Haskell Practice
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
49
Arrays
5
Big Integers
1
Binary
1
Binary Trees
1
Combinatorics
2
Data Structures
1
Dynamic Programming
6
Fundamentals
13
Graph Theory
1
Linked Lists
1
Lists
2
Logic
3
Machine Learning
2
Mathematics
19
Matrix
2
Memoization
2
Number Theory
3
Performance
49
Permutations
1
Puzzles
5
Recursion
5
Riddles
1
Sorting
1
Strings
3
Trees
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
49 Kata Found
6 kyu
Not prime numbers
1,503
riyakayal
Fundamentals
Performance
Algorithms
5 kyu
The Midnight Escape
106
dfhwze
Algorithms
Riddles
Performance
6 kyu
Find the unique number
153,568
isqua
4 Issues Reported
Fundamentals
Algorithms
Arrays
Performance
7 kyu
The Poet And The Pendulum
4,821
MrZizoScream
4 Issues Reported
Fundamentals
Arrays
Algorithms
Performance
6 kyu
Tiling a square with squares
66
Paul Robertson
Fundamentals
Algorithms
Recursion
Performance
6 kyu
Allergy to Palindromes.
472
raulbc777
Fundamentals
Algorithms
Mathematics
Performance
Permutations
5 kyu
Simple Fun #359: Cut The Number
143
myjinxin2015
Algorithms
Performance
6 kyu
Pentabonacci
2,190
raulbc777
4 Issues Reported
Fundamentals
Mathematics
Algorithms
Performance
Dynamic Programming
5 kyu
The Primes as a Result of the Longest Consecutive Sum I
193
raulbc777
Performance
Algorithms
Mathematics
Data Structures
Arrays
Fundamentals
6 kyu
Number Zoo Patrol
6,230
shawkinsl
Algorithms
Performance
Mathematics
4 kyu
Big Big Big Padovan Number
602
Valek
Performance
Algorithms
Big Integers
5 kyu
Reversed Self Power
181
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Algorithms
Performance
5 kyu
Maximum subarray sum
83,853
knotman90
3 Issues Reported
Algorithms
Lists
Dynamic Programming
Fundamentals
Performance
5 kyu
Hofstadter's Figure-Figure sequence
107
Paul Robertson
Lists
Algorithms
Recursion
Performance
6 kyu
pipi Numbers!
204
Jomopipi
1 Issue Reported
Mathematics
Algorithms
Performance
5 kyu
The Bee
274
EgorArh
Algorithms
Mathematics
Matrix
Puzzles
Performance
Dynamic Programming
6 kyu
Checkerboard Resolution
441
Kacarott
Performance
Algorithms
Matrix
1 kyu
Faberge easter eggs crush test [linear]
1,679
ice1000
Performance
Algorithms
Mathematics
3 kyu
Fabergé Easter Eggs crush test
1,947
Ivana
8 Issues Reported
Mathematics
Dynamic Programming
Performance
Algorithms
4 kyu
Longest Common Subsequence (Performance version)
2,553
JohanWiltink
Performance
Strings
Dynamic Programming
Memoization
Algorithms
1 kyu
BECOME IMMORTAL
3,238
Voile
Puzzles
Dynamic Programming
Performance
Algorithms
4 kyu
Count ones in a segment
3,303
d0n14
Binary
Performance
Algorithms
6 kyu
Row of the odd triangle
3,917
shikyo
6 Issues Reported
Algorithms
Performance
5 kyu
Simple Fun #335: Two Programmers And Gold
309
myjinxin2015
Performance
Algorithms
4 kyu
Sort binary tree by levels
14,340
kars7e
1 Issue Reported
Trees
Binary Trees
Performance
Algorithms
Sorting
5 kyu
Can you get the loop ?
29,514
Devouring
11 Issues Reported
Algorithms
Linked Lists
Performance
6 kyu
Sums of Parts
25,462
g964
Fundamentals
Performance
Algorithms
4 kyu
Sum of Intervals
40,607
xDranik
Algorithms
Performance
5 kyu
Scramblies
57,838
joh_pot
6 Issues Reported
Strings
Performance
Algorithms
6 kyu
Next multiple of 5
338
Kees de Vreugd
Algorithms
Logic
Performance
Loading...
Confirm
Collect:
undefined
Loading collection data...