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

A description has not yet been added for this collection.

Ad
4 kyu
Snail
74,819stevenbarragan
Arrays
Algorithms
4 kyu
Twice linear
22,554g964
Mathematics
Algorithms
4 kyu
Sum by Factors
18,944g964
Arrays
Algorithms
Mathematics
4 kyu
Hamming Numbers
11,432xcthulhu
Number Theory
Algorithms
4 kyu
Magnet particules in boxes
7,576g964
Mathematics
Matrix
Algorithms
4 kyu
Matrix Determinant
22,433pjfranzini
Matrix
Linear Algebra
Mathematics
Recursion
Algorithms
4 kyu
Sort binary tree by levels
13,034kars7e
Trees
Binary Trees
Performance
Algorithms
Sorting
4 kyu
Strings Mix
22,904g964
Fundamentals
Strings
4 kyu
How many numbers III?
3,908raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
4 kyu
Regular expression for binary numbers divisible by 5
2,186aswitalski
Binary
Algorithms
Regular Expressions
4 kyu
Most frequently used words in a text
27,461markprzepiora
Strings
Filtering
Algorithms
Regular Expressions
4 kyu
parseInt() reloaded
17,289BattleRattle
Parsing
Strings
Algorithms
4 kyu
Breadcrumb Generator
4,517GiacomoSorbi
Parsing
Regular Expressions
Algorithms
4 kyu
Simplifying multilinear polynomials
4,722SleepingCode
Mathematics
Strings
Regular Expressions
Parsing
Fundamentals
4 kyu
Simplexer
677Mihail-K
Strings
Parsing
Algorithms
4 kyu
Bridge Puzzle
137ecolban
Recursion
Puzzles
4 kyu
Bribe the Guards of the Crown Jewels
202ecolban
Dynamic Programming
Algorithms
4 kyu
Mystery Function
2,073ecolban
Fundamentals
4 kyu
Esolang Interpreters #3 - Custom Paintf**k Interpreter
2,696donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
4 kyu
Vigenère Cipher Helper
8,146jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
4 kyu
Codewars style ranking system
16,719jhoffner
Algorithms
Object-oriented Programming
7 kyu
Binary sXORe
858NaMe613
Binary
Algorithms
4 kyu
Numbers with Collatz Starting Patterns
61Bubbler
Algorithms
Puzzles
Mathematics
4 kyu
Count Squares In the Chess Board
309myjinxin2015
Algorithms
Dynamic Programming
4 kyu
Boggle Word Checker
3,510evan-eleven
Arrays
Recursion
Puzzles
4 kyu
Simple maze
882eugene-katsevman
Queues
Recursion
Algorithms
4 kyu
The Greatest Warrior
3,419BurstNova
Algorithms
Object-oriented Programming
4 kyu
Explosive Sum
8,410surtich
Algorithms
Mathematics
Fundamentals
4 kyu
Sum of Intervals
37,899xDranik
Algorithms
Performance
4 kyu
Binary multiple of 3
7,112rsalgado
Regular Expressions
Algorithms
Puzzles
Number Theory
4 kyu
So Many Permutations!
46,726BattleRattle
Permutations
Strings
Algorithms
4 kyu
Count ones in a segment
3,030d0n14
Binary
Performance
Algorithms
4 kyu
Differentiate a polynomial
2,855samhstn
Algorithms
Strings
Fundamentals
4 kyu
NIM the game
841xcthulhu
Mathematics
Games
Puzzles
4 kyu
SKRZAT!!!
913Frzy
Binary
Algorithms
4 kyu
Shallowest path across the river
88ecolban
Algorithms
Graph Theory
4 kyu
Roman Numerals Helper
29,314jhoffner
Algorithms
Object-oriented Programming
5 kyu
Multiples of 3, you say?
115donaldsebleung
Theorem Proving
Puzzles
4 kyu
Permutational Primes
389raulbc777
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
4 kyu
Sortable Poker Hands
458FrankK
Games
Fundamentals
Sorting
Design Patterns
Algorithms
4 kyu
Ranking Poker Hands
3,241FrankK
Games
Algorithms
Object-oriented Programming
4 kyu
Dice rolls threshold
143kirilloid
Probability
Combinatorics
Algorithms
4 kyu
Validate Sudoku with size `NxN`
9,194cbmono
Arrays
Puzzles
Algorithms
Object-oriented Programming
4 kyu
Memoized Log Cutting
1,375AlejandorLazaro
Dynamic Programming
Memoization
Refactoring
4 kyu
We are Family
150user6793616
Algorithms
Graph Theory
4 kyu
Helpers For a 3DGame I: Biggest Triangle in a Sphere
277raulbc777
Data Structures
Algorithms
Mathematics
Logic
Strings
Geometry
Games
4 kyu
Counting String Subsequences
631hermanschaaf
Algorithms
Dynamic Programming
Strings
4 kyu
Can you really count divisors?
472kabaczek83
Algorithms
Mathematics
4 kyu
Human readable duration format
81,248davazp
Strings
Date Time
Algorithms
4 kyu
Burrows-Wheeler-Transformation
1,900muesli4
Lists
Puzzles
Algorithms
4 kyu
Coloured Lattice Points Forming Coloured Triangles
542raulbc777
Fundamentals
Data Structures
Algorithms
Geometry
Mathematics
Logic
Strings
4 kyu
Pyramid Slide Down
17,805rodentrabies
Algorithms
Dynamic Programming
4 kyu
Algebraic Lists
1,910edalorzo
Lists
Algebra
Algorithms
4 kyu
5x5 Nonogram Solver
505Avanta
Algorithms
Logic
Games
Game Solvers
4 kyu
Tracking pawns
490Nmistrata
Strings
Arrays
Algorithms
Puzzles
4 kyu
Smallest possible sum
7,354dkhaburdzania
Algorithms
Mathematics
Arrays
4 kyu
Product-Sum Numbers
83mertcanekiz
Mathematics
Algorithms
4 kyu
Matunga coins
70Hyyudu
Algorithms
Mathematics
Combinatorics
Performance
4 kyu
Domino Tiling - 2 x N Board
134Bubbler
Mathematics
Algorithms
Dynamic Programming
Puzzles
4 kyu
Brainfuck Translator
802Varveyn
Esoteric Languages
Strings
4 kyu
String -> X-Iterations -> String
302Jomopipi
Algorithms
Puzzles
Mathematics
Language Features
4 kyu
Find the unknown digit
8,042JJ-Bug
Mathematics
Algorithms
Puzzles
4 kyu
Ten-Pin Bowling
3,458dnolan
Algorithms
Puzzles
4 kyu
Mahjong - #1 Pure Hand
190Hacker Sakana
Games
Logic
Algorithms
4 kyu
Compute a convex hull
399dustryder
Algorithms
Geometry
4 kyu
Tower Defense: Risk Analysis
190docgunthrop
Logic
Games
Algorithms
Object-oriented Programming
4 kyu
Number of integer partitions
1,922tony_m
Mathematics
Algorithms
Discrete Mathematics
4 kyu
Bernoulli numbers
248JustyFY
Fundamentals
Mathematics
Number Theory
Algorithms
4 kyu
Bezier Curves
71ecolban
Fundamentals
4 kyu
Generic number class
347Dundee
Mathematics
Metaprogramming
Algorithms
4 kyu
Currying vs. Partial Application
2,638surtich
Functional Programming
4 kyu
RoboScript #3 - Implement the RS2 Specification
827donaldsebleung
Esoteric Languages
Interpreters
Regular Expressions
Algorithms