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Ad
4 kyu
Dependency Injection
4,279kesheshyan
Regular Expressions
Design Patterns
Object-oriented Programming
Angular
5 kyu
Decorator Pattern
452surtich
Design Patterns
Decorator
Object-oriented Programming
Fundamentals
5 kyu
Lazy evaluation
1,790surtich
Functional Programming
4 kyu
Strip Comments
52,941jhoffner
Strings
Algorithms
6 kyu
"this" is an other problem
2,993ZozoFouchtra
Object-oriented Programming
Debugging
Language Features
7 kyu
Genetic Algorithm Series - #2 Mutation
1,651brunolm
Algorithms
Genetic Algorithms
Strings
Retired
IQ Test (retired)
83,595AlexIsHappy
Fundamentals
Logic
6 kyu
Create Phone Number
335,636xDranik
Arrays
Strings
Regular Expressions
Algorithms
6 kyu
Matrix Addition
13,665xDranik
Matrix
Arrays
Algorithms
6 kyu
Function Composition
13,528user578387
Functional Programming
Fundamentals
6 kyu
Kebabize
12,933user4316848
Fundamentals
Strings
Regular Expressions
7 kyu
Genetic Algorithm Series - #1 Generate
3,210gabrielsiedler
Strings
Fundamentals
Genetic Algorithms
Algorithms
5 kyu
Calculating with Functions
82,707BattleRattle
Functional Programming
5 kyu
PaginationHelper
40,391jhoffner
Object-oriented Programming
Arrays
Algorithms
5 kyu
7-segment converter
652wthit56
Binary
Bits
Fundamentals
5 kyu
Convert A Hex String To RGB
15,194Krxtopher
Parsing
Strings
Algorithms
6 kyu
Highest Rank Number in an Array
17,175KK20994
Arrays
Fundamentals
6 kyu
Generate An Array of Unique Strings
10410XL
Strings
Arrays
Fundamentals
Beta
Create a REST API!
75DevTony101
Status:Testing & feedback needed
Estimated Rank:
4 kyu
Algorithms
Regular Expressions
Beta
Using the Codewars API - Kata Rank
57NaMe613
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
583raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
T.T.T.#6: nth user
188myjinxin2015
Puzzles
Games
5 kyu
Translate to 1337
24910XL
Arrays
Data Structures
Regular Expressions
Algorithms
Fundamentals
5 kyu
Regex Password Validation
28,628EricFreeman
Regular Expressions
Fundamentals
6 kyu
extract portion of file name
8,198Javatlacati
Regular Expressions
Fundamentals
6 kyu
Array Deep Count
13,074hannahcmtucker
Arrays
Recursion
Fundamentals
6 kyu
Array.diff
287,163marcinbunsch
Arrays
Fundamentals
Algorithms
5 kyu
RGB To Hex Conversion
134,021jhoffner
Algorithms
6 kyu
Duplicate Encoder
223,017obnounce
Strings
Arrays
Fundamentals
6 kyu
Is a number prime?
113,079arithmetric
Mathematics
Algorithms
4 kyu
Undo/Redo
3,613surtich
Algorithms
Fundamentals
Object-oriented Programming
6 kyu
Reusable memoisation
2,652JohanWiltink
Functional Programming
Recursion
Algorithms
6 kyu
Random Sequence Generator
144surtich
Algorithms
Fundamentals
Arrays
Games
5 kyu
Haskell List Dot Notation
473surtich
Functional Programming
Arrays
Algorithms
6 kyu
Binaries
2,144g964
Fundamentals
5 kyu
Sum of Pairs
26,343AlejandorLazaro
Memoization
Fundamentals
Performance
6 kyu
Design a Simple Automaton (Finite State Machine)
6,060Ban-Ath
State Machines
Artificial Intelligence
Algorithms
Object-oriented Programming
5 kyu
Sum and Rest the Number with its Reversed and See What Happens
1,204raulbc777
Fundamentals
Mathematics
Algorithms
Memoization
Dynamic Programming
5 kyu
Snakes and Ladders
7,019adrian.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
23,235edalorzo
Memoization
Refactoring
5 kyu
Primitive Pythagorean Triples
141raulbc777
Fundamentals
Mathematics
Algorithms
Data Structures
Algebra
Geometry
Memoization
6 kyu
Square Cubic Triples
86raulbc777
Fundamentals
Algorithms
Data Structures
Mathematics
Memoization
7 kyu
Simple elevator
3,121mikrobi
State Machines
Fundamentals
4 kyu
Permutational Primes
420raulbc777
Algorithms
Sorting
Permutations
Mathematics
Memoization
Data Structures
6 kyu
The Mysterious Wall
249NULLHE4D
Fundamentals
Algorithms
Strings
ASCII Art
6 kyu
I Promise Not To Optimize
1,699dcsmith
Promises
Asynchronous
Fundamentals
6 kyu
Non Decomposable Primes as Sums of Perfect Squares
141raulbc777
Fundamentals
Mathematics
Algorithms
Memoization
6 kyu
Jokes you've been 'awaiting' for ... promise
2,577richkotze
Promises
Asynchronous
Fundamentals
4 kyu
Memoized Log Cutting
1,416AlejandorLazaro
Dynamic Programming
Memoization
Refactoring
6 kyu
Sortable Shapes
2,635FrankK
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
6 kyu
Detect my Konami code!
104Voile
Fundamentals
Strings
Design Patterns
6 kyu
Killer Garage Door
1,782chainsaw-maniac
State Machines
Fundamentals
6 kyu
Implement brute force protection
331int3_0xcc
Logic
Security
Fundamentals
Singleton
5 kyu
Prime Sextuplets
420raulbc777
Algorithms
Mathematics
Sorting
Data Structures
Memoization
6 kyu
Special Scores For Words
339raulbc777
Fundamentals
Data Structures
Algorithms
Memoization
6 kyu
PatternCraft - Decorator
4,033brunolm
Design Patterns
Fundamentals
6 kyu
Find the First Number in Having a Certain Number of Divisors I
872raulbc777
Fundamentals
Mathematics
Data Structures
Dynamic Programming
Memoization
6 kyu
PatternCraft - State
4,263brunolm
Design Patterns
Fundamentals
7 kyu
PatternCraft - Adapter
4,183brunolm
Design Patterns
Fundamentals
7 kyu
PatternCraft - Visitor
4,421brunolm
Design Patterns
Fundamentals
6 kyu
PatternCraft - Strategy
4,380brunolm
Design Patterns
Fundamentals
7 kyu
Singleton Pattern
7,845hculap
Singleton
Object-oriented Programming
Fundamentals
4 kyu
Advanced Events
1,601akoptsov
Design Patterns
Event Handling
Retired
Escape HTML Markup (retired)
583user5404198
Regular Expressions
Strings
Fundamentals
6 kyu
Find within array
3,531kylehill
Arrays
Functional Programming
Fundamentals
6 kyu
React with JSX
685dnolan
React
Fundamentals
6 kyu
Number Shortening Filter
945GiacomoSorbi
Angular
Algorithms
6 kyu
Angular date formatter
54AzariasB
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
21surtich
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
52surtich
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
2,655surtich
Functional Programming
4 kyu
Haskell List Comprehension (ii)
211surtich
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
67surtich
Algorithms
Fundamentals
Logic
Mathematics
1 kyu
Functional SQL
2,741surtich
Functional Programming
Algorithms
4 kyu
Born to be chained
1,184surtich
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
486vguzev
Singleton
Fundamentals
Tutorials
Object-oriented Programming
8 kyu
Playing with cubes II
7,990Jotha
Fundamentals
Object-oriented Programming
5 kyu
Binary Genetic Algorithms
1,651eugene-bulkin
Genetic Algorithms
Machine Learning
Fundamentals
Data Science
Tutorials