Kata Library: Racket 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
8
Arrays
42
Combinatorics
1
Data Structures
2
Functional Programming
1
Fundamentals
34
Lists
10
Mathematics
6
Number Theory
2
Refactoring
2
Strings
12
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
42 Kata Found
6 kyu
Mexican Wave
73,939
adrian.eyre
3 Issues Reported
Arrays
Strings
Fundamentals
8 kyu
Count of positives / sum of negatives
162,203
Dentzil
10 Issues Reported
Fundamentals
Arrays
Lists
8 kyu
Is there a vowel in there?
15,915
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
8 kyu
Sum Arrays
199,972
richardhsu
3 Issues Reported
Arrays
Fundamentals
8 kyu
Count the Monkeys!
73,008
PG1
1 Issue Reported
Arrays
Fundamentals
Lists
Algorithms
7 kyu
Looking for a benefactor
10,912
g964
Fundamentals
Arrays
7 kyu
Check the exam
33,202
Dmitry Kudla
Fundamentals
Arrays
8 kyu
You only need one - Beginner
155,839
PG1
3 Issues Reported
Fundamentals
Strings
Arrays
8 kyu
Beginner - Lost Without a Map
200,589
PG1
3 Issues Reported
Fundamentals
Arrays
4 kyu
Sum by Factors
20,061
g964
3 Issues Reported
Arrays
Algorithms
Mathematics
6 kyu
Reducing by steps
4,511
g964
3 Issues Reported
Mathematics
Arrays
Functional Programming
Lists
Data Structures
7 kyu
Parts of a list
17,892
g964
1 Issue Reported
Arrays
Lists
Data Structures
Algorithms
6 kyu
PI approximation
5,740
g964
2 Issues Reported
Arrays
Mathematics
Fundamentals
7 kyu
Well of Ideas - Harder Version
4,229
PG1
Fundamentals
Arrays
Strings
6 kyu
Primorial Of a Number
7,089
MrZizoScream
2 Issues Reported
Fundamentals
Arrays
Number Theory
5 kyu
Josephus Survivor
16,809
GiacomoSorbi
1 Issue Reported
Mathematics
Combinatorics
Algorithms
Lists
Arrays
6 kyu
Tribonacci Sequence
160,869
GiacomoSorbi
7 Issues Reported
Number Theory
Arrays
Lists
Fundamentals
8 kyu
Logical calculator
9,558
aniametz
1 Issue Reported
Arrays
Fundamentals
8 kyu
How many stairs will Suzuki climb in 20 years?
20,927
user8476848
Fundamentals
Arrays
8 kyu
A Needle in the Haystack
183,135
andrewMacmurray
1 Issue Reported
Arrays
Fundamentals
7 kyu
Extra Perfect Numbers (Special Numbers Series #7)
7,259
MrZizoScream
2 Issues Reported
Fundamentals
Arrays
8 kyu
Filter out the geese
44,215
stevehopkinson
3 Issues Reported
Arrays
Fundamentals
8 kyu
Well of Ideas - Easy Version
36,391
PG1
4 Issues Reported
Fundamentals
Arrays
Strings
Refactoring
8 kyu
Find numbers which are divisible by given number
43,764
XxxX88
1 Issue Reported
Arrays
Algorithms
8 kyu
Count by X
151,060
shums16
Arrays
Fundamentals
8 kyu
Fake Binary
155,533
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
8 kyu
Convert a string to an array
155,292
samjam48
3 Issues Reported
Arrays
Strings
Fundamentals
8 kyu
Sentence Smash
170,962
richardhsu
Strings
Arrays
Fundamentals
6 kyu
Which are in?
82,550
g964
7 Issues Reported
Arrays
Lists
Strings
Refactoring
7 kyu
Sum of odd numbers
172,491
hhelwich
Arrays
Lists
Mathematics
Fundamentals
Loading...
Confirm
Collect:
undefined
Loading collection data...