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

This collection contains all the katas I solved. I created for reviwing process.

Ad
Retired
N-th Power (retired)
35,399Milford
Fundamentals
Arrays
7 kyu
Without the letter 'E'
2,428k.steflovic
Regular Expressions
Strings
Fundamentals
7 kyu
Filter the number
19,526matt c
Strings
Fundamentals
8 kyu
Convert a Boolean to a String
249,419btaitelb
Strings
Fundamentals
7 kyu
Number Of Occurrences
13,105madmed88
Arrays
Fundamentals
7 kyu
Credit Card Mask
200,704samranjbari
Strings
Algorithms
7 kyu
Ordering the words!
3,518Parra_Inc
Strings
Sorting
Fundamentals
7 kyu
Covfefe
6,108AzariasB
Strings
7 kyu
The old switcheroo 2
3,415joh_pot
Strings
Fundamentals
8 kyu
Pythagorean Triple
18,256elexie
Algebra
Mathematics
Fundamentals
8 kyu
Array plus array
92,311Dmitry Kudla
Fundamentals
Arrays
Debugging
7 kyu
Find Count of Most Frequent Item in an Array
13,986Fosna
Data Structures
Fundamentals
7 kyu
Head, Tail, Init and Last
17,542user578387
Arrays
Lists
Fundamentals
7 kyu
Odd or Even?
150,870ethaning
Fundamentals
Arrays
7 kyu
Monotone travel
6,827bkaes
Lists
Fundamentals
7 kyu
Largest Elements
13,224xcthulhu
Arrays
Fundamentals
7 kyu
Most digits
16,246Gbaja
Strings
Fundamentals
7 kyu
Fizz Buzz
26,688stephenyu
Algorithms
Fundamentals
Arrays
7 kyu
Arithmetic List!
5,844zenAndroid
Arrays
Fundamentals
7 kyu
Partial Word Searching
8,550obnounce
Arrays
Strings
Fundamentals
7 kyu
Coding Meetup #17 - Higher-Order Functions Series - Sort by programming language
2,169PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Sorting
7 kyu
Hit Count
3,621glenoakes
Arrays
Fundamentals
7 kyu
Alternate Square Sum
3,991hakunaMatata
Fundamentals
Arrays
Lists
7 kyu
The highest profit wins!
104,805bkaes
Lists
Arrays
Fundamentals
7 kyu
Number Pairs
6,363bmw318mt
Arrays
Fundamentals
7 kyu
Filter Coffee
4,705Bitcorn
Arrays
Fundamentals
8 kyu
CSV representation of array
20,171Dmitry Kudla
Fundamentals
Arrays
Strings
7 kyu
Flatten
12,852xcthulhu
Functional Programming
Arrays
Fundamentals
7 kyu
Sort by Last Char
10,131PG1
Fundamentals
Strings
Arrays
Sorting
8 kyu
Enumerable Magic #20 - Cascading Subsets
9,101bellmyer
Fundamentals
Lists
Data Structures
Arrays
Algorithms
8 kyu
Gravity Flip
36,970LogicalX
Puzzles
Arrays
7 kyu
Running functions
320user7657844
Lists
Fundamentals
6 kyu
Exercise in Summing
2,110jmusto
Arrays
Fundamentals
7 kyu
Parts of a list
18,077g964
Arrays
Lists
Data Structures
Algorithms
7 kyu
Suzuki needs help lining up his students!
3,453user8476848
Strings
Sorting
Fundamentals
7 kyu
Coding Meetup #4 - Higher-Order Functions Series - Find the first Python developer
10,394PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
Regular Expressions
7 kyu
The Hidden Word
1,896veredrec
Strings
Regular Expressions
Fundamentals
8 kyu
Define a card suit
19,786Dmitry Kudla
Fundamentals
Strings
8 kyu
L1: Bartender, drinks!
24,891Swolebrain
Strings
Fundamentals
8 kyu
Multiply
5,551,567
Debugging
Fundamentals
8 kyu
Even or Odd
570,951suuuzi
Mathematics
Fundamentals
8 kyu
Sum of positive
335,748JbPasquier
Arrays
Fundamentals
Retired
Return String of First Characters (retired)
7,519bmw318mt
Strings
Regular Expressions
Fundamentals
8 kyu
Remove exclamation marks
129,636wichu
Fundamentals
Strings
8 kyu
Welcome!
54,125lucymonie
Fundamentals
8 kyu
Calculate average
180,028wichu
Fundamentals
Arrays
8 kyu
Is this my tail?
28,627PG1
Debugging
8 kyu
Remove duplicates from list
40,300wichu
Fundamentals
Arrays
Lists
8 kyu
My head is at the wrong end!
49,722PG1
Arrays
Lists
Algorithms
7 kyu
Two Oldest Ages
35,438jhoffner
Arrays
Algorithms
7 kyu
Predict your age!
24,874Torkel
Fundamentals
7 kyu
Divide and Conquer
16,397PG1
Fundamentals
Strings
Arrays
8 kyu
5 without numbers !!
38,427KH!
Restricted
Fundamentals
Puzzles
8 kyu
L1: Set Alarm
110,673Swolebrain
Fundamentals
Logic
8 kyu
Will you make it?
160,699user2514386
Mathematics
Fundamentals
7 kyu
Coding Meetup #1 - Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe
16,636PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #2 - Higher-Order Functions Series - Greet developers
12,860PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #3 - Higher-Order Functions Series - Is Ruby coming?
11,144PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #5 - Higher-Order Functions Series - Prepare the count of languages
8,319PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
7 kyu
Coding Meetup #6 - Higher-Order Functions Series - Can they code in the same language?
8,530PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #7 - Higher-Order Functions Series - Find the most senior developer
5,978PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #8 - Higher-Order Functions Series - Will all continents be represented?
5,484PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings