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
Algebra
3
Algorithms
45
Arrays
10
Binary
1
Binary Search Trees
1
Binary Trees
4
Bits
1
Combinatorics
1
Compilers
1
Data Structures
61
Dynamic Programming
2
Functional Programming
3
Fundamentals
36
Geometry
1
Graph Theory
2
Heaps
1
Lists
6
Logic
10
Mathematics
29
Memoization
4
Object-oriented Programming
1
Parsing
2
Performance
1
Permutations
2
Priority Queues
1
Puzzles
2
Queues
1
Recursion
4
Scheduling
1
Sorting
8
Stacks
1
Strings
9
Trees
4
Tutorials
1
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
61 Kata Found
6 kyu
Help Kiyo きよ solve her problems LCM Fun!
492
user8476848
Algorithms
Data Structures
Mathematics
Fundamentals
7 kyu
Find Count of Most Frequent Item in an Array
13,668
Fosna
Data Structures
Fundamentals
7 kyu
Numbers Which Sum of Powers of Its Digits Is The Same Number
3,205
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Data Structures
4 kyu
Permutational Primes
531
raulbc777
1 Issue Reported
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
6 kyu
Word Challenges at School
607
raulbc777
5 Issues Reported
Fundamentals
Logic
Strings
Data Structures
Algorithms
6 kyu
Triangle of Multiples (Easy One)
769
raulbc777
3 Issues Reported
Mathematics
Data Structures
Fundamentals
7 kyu
Total Sums of Coefficients of a Binomial Raised to the Nth-Power
378
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
5 kyu
Sequence of Power Digits Sum
523
raulbc777
1 Issue Reported
Algorithms
Recursion
Data Structures
Mathematics
5 kyu
Prime Sextuplets
460
raulbc777
4 Issues Reported
Algorithms
Mathematics
Sorting
Data Structures
Memoization
7 kyu
Multiples By Permutations II
1,546
raulbc777
Fundamentals
Data Structures
Strings
Mathematics
Algebra
Sorting
Combinatorics
6 kyu
Help Mrs Jefferson
1,197
raulbc777
Fundamentals
Data Structures
Arrays
Mathematics
6 kyu
Estimating Amounts of Subsets
2,264
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
5 kyu
Minimum number of taxis
422
Scopula
1 Issue Reported
Data Structures
Algorithms
Priority Queues
Scheduling
6 kyu
Detect Pangram
194,395
anindyabd
5 Issues Reported
Strings
Data Structures
Fundamentals
6 kyu
Reducing by steps
4,505
g964
3 Issues Reported
Mathematics
Arrays
Functional Programming
Lists
Data Structures
4 kyu
Determining if a graph has a solution
1,614
damned3
4 Issues Reported
Algorithms
Data Structures
Graph Theory
7 kyu
Parts of a list
17,855
g964
1 Issue Reported
Arrays
Lists
Data Structures
Algorithms
5 kyu
Numbers that are a power of their sum of digits
2,112
raulbc777
3 Issues Reported
Algorithms
Mathematics
Sorting
Data Structures
Fundamentals
5 kyu
Integer triangles
594
raulbc777
5 Issues Reported
Algorithms
Mathematics
Data Structures
Geometry
6 kyu
How Many Numbers?
1,081
raulbc777
4 Issues Reported
Fundamentals
Algorithms
Mathematics
Data Structures
5 kyu
How Many Numbers? II
1,375
raulbc777
3 Issues Reported
Algorithms
Data Structures
Mathematics
Fundamentals
6 kyu
Find the First Number in Having a Certain Number of Divisors I
936
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Data Structures
Dynamic Programming
Memoization
5 kyu
Emirps
2,040
raulbc777
5 Issues Reported
Fundamentals
Mathematics
Algorithms
Data Structures
5 kyu
The Primes as a Result of the Longest Consecutive Sum I
192
raulbc777
Performance
Algorithms
Mathematics
Data Structures
Arrays
Fundamentals
4 kyu
How many numbers III?
4,483
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
3 kyu
Constructing finite fields using binary polynoms
193
muesli4
2 Issues Reported
Mathematics
Data Structures
Algebra
Strings
Algorithms
6 kyu
Simple Fun #170: Sum Groups
1,085
myjinxin2015
2 Issues Reported
Arrays
Algorithms
Lists
Data Structures
7 kyu
Remove All The Marked Elements of a List
11,707
raulbc777
Fundamentals
Algorithms
Data Structures
7 kyu
Method For Counting Total Occurence Of Specific Digits
2,797
raulbc777
1 Issue Reported
Fundamentals
Algorithms
Data Structures
6 kyu
Multiples of Ten in a Sequence Which Values Climb Up
206
raulbc777
Fundamentals
Algorithms
Mathematics
Data Structures
Sorting
Memoization
Loading...
Confirm
Collect:
undefined
Loading collection data...