Kata Library: Scala Practice
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
ASCII Art
9
Algebra
7
Algorithms
252
Arrays
104
Big Integers
1
Binary
9
Binary Search Trees
1
Binary Trees
4
Bits
7
Ciphers
9
Combinatorics
6
Cryptography
8
Data Science
2
Data Structures
14
Date Time
7
Debugging
9
Design Patterns
1
Discrete Mathematics
1
Dynamic Programming
8
Filtering
1
Functional Programming
6
Fundamentals
441
Games
12
Geometry
14
Graph Theory
2
Interpreters
3
Iterators
1
Language Features
3
Linear Algebra
1
Linked Lists
1
Lists
31
Logic
20
Mathematics
155
Matrix
8
Memoization
2
Metaprogramming
1
Monads
1
Number Theory
14
Object-oriented Programming
4
Parsing
5
Performance
16
Permutations
2
Probability
1
Puzzles
66
Queues
1
Recursion
9
Refactoring
7
Regular Expressions
24
Security
3
Sorting
12
Statistics
1
Streams
1
Strings
157
Trees
5
Tutorials
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
730 Kata Found
8 kyu
Neutralisation
11,297
saudiGuy
Algorithms
Strings
8 kyu
Pirates!! Are the Cannons ready!??
12,122
j_codez
1 Issue Reported
Algorithms
2 kyu
Symbolic differentiation of prefix expressions
1,213
user4850992
9 Issues Reported
Algorithms
6 kyu
Build a pile of Cubes
89,313
g964
2 Issues Reported
Mathematics
Algorithms
8 kyu
Regular Ball Super Ball
36,605
ogryzek
1 Issue Reported
Fundamentals
7 kyu
Check whether a number is valid in a given numeral system
966
SummerTheCoder
Algorithms
Logic
Regular Expressions
7 kyu
Number of Decimal Digits
31,154
user8654865
2 Issues Reported
Strings
Fundamentals
8 kyu
Welcome to the City
33,660
troglodite
2 Issues Reported
Strings
Fundamentals
7 kyu
All Nines
841
brodiemark
Mathematics
4 kyu
Matrix Determinant
24,398
pjfranzini
8 Issues Reported
Matrix
Linear Algebra
Mathematics
Recursion
Algorithms
6 kyu
Colorful Number
966
msg7086
1 Issue Reported
Algorithms
7 kyu
Mumbling
240,448
g964
Fundamentals
Strings
Puzzles
8 kyu
Count of positives / sum of negatives
162,563
Dentzil
10 Issues Reported
Fundamentals
Arrays
Lists
5 kyu
Mean Square Error
22,434
kylehill
Arrays
Mathematics
Algorithms
8 kyu
Printing Array elements with Comma delimiters
30,145
Javatlacati
4 Issues Reported
Arrays
Fundamentals
8 kyu
They say that only the name is long enough to attract attention. They also said that only a simple Kata will have someone to solve it. This is a sadly story #1: Are they opposite?
12,644
myjinxin2015
1 Issue Reported
Puzzles
Games
7 kyu
Simple Fun #176: Reverse Letter
38,398
myjinxin2015
3 Issues Reported
Fundamentals
8 kyu
Even or Odd
562,261
suuuzi
Mathematics
Fundamentals
8 kyu
Multiply
5,547,798
11 Issues Reported
Debugging
Fundamentals
6 kyu
Inverted Ranges
416
wolfendale
1 Issue Reported
Algorithms
6 kyu
Arrh, grabscrab!
7,423
matstc
2 Issues Reported
Strings
Algorithms
7 kyu
Stacked Balls - 2D
2,133
dinglemouse
1 Issue Reported
Fundamentals
6 kyu
Shuffle an Integer
79
rowcased
Puzzles
6 kyu
Grouped by commas
10,704
agram
2 Issues Reported
Algorithms
7 kyu
The 'spiraling' box
1,964
brodiemark
1 Issue Reported
Arrays
Fundamentals
6 kyu
Convert integer to Whitespace format
1,918
MMMAAANNN
Binary
Fundamentals
6 kyu
Split Strings
167,515
jhoffner
Regular Expressions
Strings
Algorithms
6 kyu
Sum of Digits / Digital Root
289,255
user578387
3 Issues Reported
Mathematics
Algorithms
7 kyu
Simple Fun #198: Cake Slice
1,047
myjinxin2015
Puzzles
8 kyu
Remove exclamation marks
125,330
wichu
2 Issues Reported
Fundamentals
Strings
Loading...
Confirm
Collect:
undefined
Loading collection data...