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Ad
4 kyu
Dependency Injection
4,208kesheshyan
Regular Expressions
Design Patterns
Object-oriented Programming
Angular
5 kyu
Decorator Pattern
398surtich
Design Patterns
Decorator
Object-oriented Programming
Fundamentals
5 kyu
Lazy evaluation
1,784surtich
Functional Programming
4 kyu
Strip Comments
51,798jhoffner
Strings
Algorithms
6 kyu
"this" is an other problem
2,943ZozoFouchtra
Object-oriented Programming
Debugging
Language Features
7 kyu
Genetic Algorithm Series - #2 Mutation
1,634brunolm
Algorithms
Genetic Algorithms
Strings
Retired
IQ Test (retired)
83,595AlexIsHappy
Fundamentals
Logic
6 kyu
Create Phone Number
327,574xDranik
Arrays
Strings
Regular Expressions
Algorithms
6 kyu
Matrix Addition
13,408xDranik
Matrix
Arrays
Algorithms
6 kyu
Function Composition
13,480user578387
Functional Programming
Fundamentals
6 kyu
Kebabize
12,731user4316848
Fundamentals
Strings
Regular Expressions
7 kyu
Genetic Algorithm Series - #1 Generate
3,177gabrielsiedler
Strings
Fundamentals
Genetic Algorithms
Algorithms
5 kyu
Calculating with Functions
80,845BattleRattle
Functional Programming
5 kyu
PaginationHelper
39,389jhoffner
Object-oriented Programming
Arrays
Algorithms
5 kyu
7-segment converter
650wthit56
Binary
Bits
Fundamentals
5 kyu
Convert A Hex String To RGB
14,700Krxtopher
Parsing
Strings
Algorithms
6 kyu
Generate An Array of Unique Strings
10110XL
Strings
Arrays
Fundamentals
Beta
Create a REST API!
74DevTony101
Status:Testing & feedback needed
Estimated Rank:
4 kyu
Algorithms
Regular Expressions
Beta
Using the Codewars API - Kata Rank
56NaMe613
Status:Waiting for issues to be resolved
Estimated Rank:
6 kyu
Arrays
Lists
Fundamentals
5 kyu
Identifying Top Users and their Corresponding Purchases On a Website
480raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
T.T.T.#6: nth user
184myjinxin2015
Puzzles
Games
5 kyu
Translate to 1337
24710XL
Arrays
Data Structures
Regular Expressions
Algorithms
Fundamentals
5 kyu
Regex Password Validation
28,111EricFreeman
Regular Expressions
Fundamentals
6 kyu
extract portion of file name
8,071Javatlacati
Regular Expressions
Fundamentals
6 kyu
Array Deep Count
12,906hannahcmtucker
Arrays
Recursion
Fundamentals
6 kyu
Array.diff
279,986marcinbunsch
Arrays
Fundamentals
Algorithms
5 kyu
RGB To Hex Conversion
130,365jhoffner
Algorithms
6 kyu
Duplicate Encoder
217,809obnounce
Strings
Arrays
Fundamentals
6 kyu
Is a number prime?
110,675arithmetric
Mathematics
Algorithms
4 kyu
Undo/Redo
3,597surtich
Algorithms
Fundamentals
Object-oriented Programming
6 kyu
Reusable memoisation
2,640JohanWiltink
Functional Programming
Recursion
Algorithms
6 kyu
Random Sequence Generator
144surtich
Algorithms
Fundamentals
Arrays
Games
5 kyu
Haskell List Dot Notation
471surtich
Functional Programming
Arrays
Algorithms
6 kyu
Binaries
2,111g964
Fundamentals
5 kyu
Sum of Pairs
25,747AlejandorLazaro
Memoization
Fundamentals
Performance
6 kyu
Design a Simple Automaton (Finite State Machine)
5,920Ban-Ath
State Machines
Artificial Intelligence
Algorithms
Object-oriented Programming
5 kyu
Sum and Rest the Number with its Reversed and See What Happens
1,108raulbc777
Fundamentals
Mathematics
Algorithms
Memoization
Dynamic Programming
5 kyu
Snakes and Ladders
6,888adrian.eyre
Design Patterns
Games
Fundamentals
5 kyu
Integer Triangles Having One Angle The Double of Another One
50raulbc777
Fundamentals
Algorithms
Mathematics
Geometry
Memoization
Data Structures
5 kyu
Memoized Fibonacci
22,932edalorzo
Memoization
Refactoring
5 kyu
Primitive Pythagorean Triples
136raulbc777
Fundamentals
Mathematics
Algorithms
Data Structures
Algebra
Geometry
Memoization
6 kyu
Square Cubic Triples
84raulbc777
Fundamentals
Algorithms
Data Structures
Mathematics
Memoization
7 kyu
Simple elevator
3,110mikrobi
State Machines
Fundamentals
4 kyu
Permutational Primes
389raulbc777
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
6 kyu
The Mysterious Wall
244NULLHE4D
Fundamentals
Algorithms
Strings
ASCII Art
6 kyu
I Promise Not To Optimize
1,690dcsmith
Promises
Asynchronous
Fundamentals
6 kyu
Non Decomposable Primes as Sums of Perfect Squares
140raulbc777
Fundamentals
Mathematics
Algorithms
Memoization
6 kyu
Jokes you've been 'awaiting' for ... promise
2,546richkotze
Promises
Asynchronous
Fundamentals
4 kyu
Memoized Log Cutting
1,375AlejandorLazaro
Dynamic Programming
Memoization
Refactoring
6 kyu
Sortable Shapes
2,610FrankK
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
6 kyu
Detect my Konami code!
100Voile
Fundamentals
Strings
Design Patterns
6 kyu
Killer Garage Door
1,732chainsaw-maniac
State Machines
Fundamentals
6 kyu
Implement brute force protection
325int3_0xcc
Logic
Security
Fundamentals
Singleton
5 kyu
Prime Sextuplets
415raulbc777
Algorithms
Mathematics
Sorting
Data Structures
Memoization
6 kyu
Special Scores For Words
334raulbc777
Fundamentals
Data Structures
Algorithms
Memoization
6 kyu
PatternCraft - Decorator
4,003brunolm
Design Patterns
Fundamentals
6 kyu
Find the First Number in Having a Certain Number of Divisors I
842raulbc777
Fundamentals
Mathematics
Data Structures
Dynamic Programming
Memoization
6 kyu
PatternCraft - State
4,232brunolm
Design Patterns
Fundamentals
7 kyu
PatternCraft - Adapter
4,067brunolm
Design Patterns
Fundamentals
7 kyu
PatternCraft - Visitor
4,301brunolm
Design Patterns
Fundamentals
6 kyu
PatternCraft - Strategy
4,275brunolm
Design Patterns
Fundamentals
7 kyu
Singleton Pattern
7,752hculap
Singleton
Object-oriented Programming
Fundamentals
4 kyu
Advanced Events
1,540akoptsov
Design Patterns
Event Handling
Retired
Escape HTML Markup (retired)
583user5404198
Regular Expressions
Strings
Fundamentals
6 kyu
Find within array
3,509kylehill
Arrays
Functional Programming
Fundamentals
6 kyu
React with JSX
588dnolan
React
Fundamentals
6 kyu
Number Shortening Filter
939GiacomoSorbi
Angular
Algorithms
6 kyu
Angular date formatter
52AzariasB
Angular
Date Time
Algorithms
Draft
Angular2 Route Parameters
5MircoT
Status:Draft
Estimated Rank:
6 kyu
Promises
Beta
Reactive programming: #5 Observable juggling
8surtich
Status:Testing & feedback needed
Reactive Programming
RxJS
Fundamentals
Beta
Reactive programming: #2 Basic observables creation
20surtich
Status:Testing & feedback needed
Reactive Programming
RxJS
Fundamentals
Beta
Reactive programming: #4 Pipelining operators
9surtich
Status:Testing & feedback needed
Reactive Programming
RxJS
Fundamentals
Beta
Reactive programming: #6 The Observable Monad
6surtich
Status:Testing & feedback needed
Reactive Programming
RxJS
Fundamentals
Beta
Reactive programming: #3 Premier operators
10surtich
Status:Testing & feedback needed
Reactive Programming
RxJS
Fundamentals
Beta
Reactive programming: #1 Create function
50surtich
Status:Waiting for issues to be resolved
Reactive Programming
RxJS
Fundamentals
Beta
Superb resource access control configuration
3surtich
Status:Testing & feedback needed
Estimated Rank:
2 kyu
Recursion
Algorithms
4 kyu
Currying vs. Partial Application
2,637surtich
Functional Programming
4 kyu
Haskell List Comprehension (ii)
209surtich
Functional Programming
Arrays
5 kyu
Randomize Objects
321surtich
Algorithms
Fundamentals
Arrays
4 kyu
Binary Search Tree using Arrays
117surtich
Algorithms
Arrays
Mathematics
Sorting
6 kyu
Time Interval
65surtich
Algorithms
Fundamentals
Logic
Mathematics
1 kyu
Functional SQL
2,713surtich
Functional Programming
Algorithms
4 kyu
Born to be chained
1,175surtich
Functional Programming
6 kyu
Connected blocks
123surtich
Arrays
Algorithms
Draft
Crazy Arrays
1surtich
Status:Draft
Functional Programming
Fundamentals
6 kyu
Learning TypeScript. Classes & Interfaces. Singletons
469vguzev
Singleton
Fundamentals
Tutorials
Object-oriented Programming
8 kyu
Playing with cubes II
7,640Jotha
Fundamentals
Object-oriented Programming
5 kyu
Binary Genetic Algorithms
1,638eugene-bulkin
Genetic Algorithms
Machine Learning
Fundamentals
Data Science
Tutorials