Loading...
Choose Language...
Ruby
JavaScript
Haskell
CoffeeScript
PHP
TypeScript
C#
Java
C
Elixir
COBOL (Beta)
Objective-C (Beta)
Clojure
Python
PureScript (Beta)
C++
Swift
SQL
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

A description has not yet been added for this collection.

Ad
6 kyu
Minimum dollar bill's count
176jteodoro
Fundamentals
Arrays
Algorithms
6 kyu
Change Machine
391Lordnibbler
Algorithms
Performance
Retired
Christmas Day (retired)
1,140fizis
Date Time
Fundamentals
Retired
Authenticate a list of usernames (retired)
639PiotrBerebecki
Strings
Regular Expressions
Arrays
Data Structures
Algorithms
6 kyu
TGI Friday!!
1,010papuarza
Date Time
6 kyu
Custom sort function
1,254lunitik
Sorting
Arrays
Algorithms
Restricted
7 kyu
Sorting Arrays ... wait, what?!
502donaldsebleung
Algorithms
Logic
Object-oriented Programming
Sorting
5 kyu
Array.diff hero
723Iprit
Arrays
Fundamentals
7 kyu
Find the Combination
491hfliu
Fundamentals
Strings
Regular Expressions
7 kyu
Simple Moon Rating
676morteify
Fundamentals
5 kyu
Not Quine
343_nderscore
Algorithms
4 kyu
Default Arguments
1,328xcthulhu
Functional Programming
Metaprogramming
6 kyu
Javascript filter - 3
2,055ineiti
Regular Expressions
Arrays
Fundamentals
5 kyu
Sorted list
391osuushi
Algorithms
Arrays
Performance
Object-oriented Programming
Sorting
6 kyu
Count word occurrences
268Uraza
Strings
Algorithms
6 kyu
Once
6,028osuushi
Functional Programming
Fundamentals
6 kyu
Shortest code: Bug in Apple
474myjinxin2015
Puzzles
Games
Restricted
6 kyu
100 prisoners, 100 drawers, 100 paper slips
53donaldsebleung
Puzzles
Mathematics
Probability
Logic
6 kyu
Probability 101
95valerio_c
Probability
Mathematics
Fundamentals
6 kyu
Fun with lists: filter
1,160janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Fun with lists: map
1,687janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Fun with lists: reduce
1,091janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Numerology
2,214user4806669
Date Time
Fundamentals
6 kyu
Coding Meetup #10 - Higher-Order Functions Series - Create usernames
3,395PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #16 - Higher-Order Functions Series - Ask for missing details
2,494PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
The Non-Discriminate Factorial
1,008SamTay
Mathematics
Fundamentals
Retired
Validate my Password (retired)
3,787Capocaccia
Regular Expressions
Fundamentals
5 kyu
Maximum Contiguous Sum
883thibaultCha
Arrays
Algorithms
6 kyu
Trim a String
2,387BattleRattle
Strings
Regular Expressions
Fundamentals
6 kyu
Find the unique number
2,091kayahr
Arrays
Performance
Fundamentals
5 kyu
Partition On
6,609jcorbin@wunjo.org
Functional Programming
Arrays
Algorithms
6 kyu
Sum The Tree
4,877jz9000
Trees
Recursion
Binary Trees
Binary Search Trees
Data Structures
Fundamentals
5 kyu
7-segment converter
693wthit56
Binary
Bits
Fundamentals
5 kyu
Bit calculator
2,115riomus
Bits
Mathematics
Algorithms
6 kyu
Function composition
9,327matthewglover
Functional Programming
Fundamentals
6 kyu
Island Count
248finetype
Puzzles
5 kyu
Missing and Duplicate Number
235Uraza
Arrays
Algorithms
5 kyu
Advanced Pig Latin
1,026davidbrear
Regular Expressions
Fundamentals
6 kyu
Reverse linked list
1,143vgrichina
Algorithms
Lists
Data Structures
6 kyu
The Most Sacred of Days
544laoris
Date Time
Algorithms
5 kyu
#Hashtag
1,133barakyo
Strings
Regular Expressions
Algorithms
6 kyu
Dreidel dreidel
573steinbachr
Games
Algorithms
6 kyu
Santa's Master Plan
989xDranik
Arrays
Filtering
Algorithms
5 kyu
Vending Machines
522xcthulhu
Puzzles
Algorithms
6 kyu
Array Helpers
23,734BattleRattle
Arrays
Fundamentals
Object-oriented Programming
5 kyu
Word Finder
2,004BattleRattle
Strings
Regular Expressions
Filtering
Algorithms
5 kyu
Simple Linear Regression Cost Function (Machine Learning)
297Ban-Ath
Machine Learning
Algorithms
Mathematics
Data Science
6 kyu
None shall pass
1,353adriaanbaelus
Security
Puzzles
5 kyu
Fibonacci Generator
913x-way
Mathematics
Algorithms
5 kyu
Compose functions (T Combinator)
2,282kylehill
Functional Programming
Fundamentals
5 kyu
Object extend
1,526kylehill
Arrays
Fundamentals
6 kyu
Simple Fun #254: Factorized GCD
106myjinxin2015
Fundamentals
Mathematics
7 kyu
Greed
795rememberchicken
Regular Expressions
Debugging
6 kyu
Recursion: An introduction
468powderham
Recursion
Fundamentals
Tutorials
6 kyu
Next smaller pronic
853LesRamer
Mathematics
Algorithms
Fundamentals
6 kyu
Maximum and minimum
404osofem
Fundamentals