Loading...
Choose Language...
Ruby
Python
JavaScript
CoffeeScript
Java
C#
Haskell
Clojure
C++
PHP
Crystal
Elixir
F#
C
TypeScript
Rust
Swift
Go
R (Beta)
Shell
OCaml (Beta)
Kotlin
Fortran (Beta)
Julia (Beta)
Scala
PowerShell (Beta)
Nim (Beta)
Reason (Beta)
Racket
Forth (Beta)
Prolog (Beta)
Haxe (Beta)
Dart
Pascal (Beta)
Lua
Perl (Beta)
D (Beta)
Elm (Beta)
COBOL (Beta)
Erlang (Beta)
Objective-C (Beta)
VB (Beta)
NASM
PureScript (Beta)
Factor (Beta)
Raku (Beta)
λ Calculus (Beta)
Groovy
CommonLisp (Beta)
Train Now

Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

Description

Challenging katas to sharpen the mind.

Ad
6 kyu
Reverse or rotate?
23,297g964
Algorithms
Strings
6 kyu
Statistics for an Athletic Association
10,392g964
Fundamentals
Strings
Statistics
Mathematics
Data Science
5 kyu
Flood Fill
283chris_w
Algorithms
Fundamentals
Arrays
5 kyu
Integers: Recreation One
26,204g964
Fundamentals
Algorithms
6 kyu
Reverse polish notation calculator
11,281vgrichina
Algorithms
Mathematics
Interpreters
Parsing
Strings
4 kyu
Hamming Numbers
11,652xcthulhu
Number Theory
Algorithms
4 kyu
Sum Strings as Numbers
43,636nicknovitski
Strings
Big Integers
Algorithms
4 kyu
Sum by Factors
19,196g964
Arrays
Algorithms
Mathematics
6 kyu
Base Conversion
10,721BattleRattle
Strings
Mathematics
Algorithms
3 kyu
Alphabetic Anagrams
6,238Azuaron
Mathematics
Logic
Strings
Algorithms
4 kyu
Human readable duration format
82,755davazp
Strings
Date Time
Algorithms
3 kyu
Sudoku Solver
14,135pineappleclock
Games
Game Solvers
Algorithms
3 kyu
Create a simple Class at Runtime
243EatYourBeetS
Reflection
Metaprogramming
Fundamentals
4 kyu
Block sequence
405KenKamau
Mathematics
Fundamentals
6 kyu
Street Fighter 2 - Character Selection
11,774mmalkavian
Arrays
Lists
Fundamentals
Graph Theory