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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

Scala stuff that needs review/approval, mostly by me.

Both new translations and Scala 2 > 3 updates.

Ad
7 kyu
Snail crawls up
4,356petrosernivka
Fundamentals
Mathematics
4 kyu
Most frequently used words in a text
25,963markprzepiora
Strings
Filtering
Algorithms
Regular Expressions
3 kyu
Rail Fence Cipher: Encoding and Decoding
8,030darrentburgess
Algorithms
Ciphers
Cryptography
Strings
Security
4 kyu
Validate Sudoku with size `NxN`
8,899cbmono
Arrays
Puzzles
Algorithms
Object-oriented Programming
6 kyu
Simple Encryption #1 - Alternating Split
27,366user5036852
Cryptography
Algorithms
Strings
Arrays
Fundamentals
7 kyu
Find the stray number
62,100janitormeir
Fundamentals
Algorithms
5 kyu
Simple Pig Latin
154,074user2505876
Regular Expressions
Algorithms
5 kyu
int32 to IPv4
24,777sahglie
Networks
Bits
Algorithms
5 kyu
Simple Encryption #4 - Qwerty
654user5036852
Cryptography
Security
Strings
Algorithms
5 kyu
Not very secure
42,151mayrsascha
Regular Expressions
Strings
6 kyu
Title Case
35,843user527539
Strings
Fundamentals
8 kyu
Vowel remover
42,558naaz
Strings
Fundamentals
4 kyu
Sum Strings as Numbers
40,738nicknovitski
Strings
Big Integers
Algorithms
4 kyu
So Many Permutations!
44,800BattleRattle
Permutations
Strings
Algorithms
6 kyu
Consonant value
17,438KenKamau
Strings
Fundamentals
6 kyu
Find the unique number
135,544isqua
Fundamentals
Algorithms
Arrays
5 kyu
Can you get the loop ?
27,343Devouring
Algorithms
Linked Lists
Performance
6 kyu
Prüfer sequences and labeled trees
40benjaminzwhite
Algorithms
Mathematics
Graphs
Graph Theory
Trees
Combinatorics
6 kyu
Guess the array
315ice1000
Puzzles
Algorithms
Arrays
Beta
Prison Escape!!(via coins on chessboard)
11Raphael Darley
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Puzzles
8 kyu
Convert to Binary
31,171JapaX
Mathematics
Algorithms
Fundamentals
6 kyu
Reducing a pyramid
233FArekkusu
Algorithms
Performance
6 kyu
Arabian String
2,514dacoxall
Strings
Algorithms
6 kyu
Custom Christmas Tree
947myjinxin2015
Strings
ASCII Art
Puzzles
6 kyu
WeIrD StRiNg CaSe
44,939xDranik
Strings
Algorithms
6 kyu
Fibonacci on roids
500GiacomoSorbi
Recursion
Lists
Arrays
Algorithms
5 kyu
Efficient Power Modulo n
1,104osuushi
Mathematics
Algorithms
Performance
4 kyu
Squaredle solver
45bdupau
Puzzles
Games
Algorithms
Strings
5 kyu
Simple RSA Implementation
122psytech140
Cryptography
Algorithms
Number Theory
5 kyu
PaginationHelper
37,607jhoffner
Object-oriented Programming
Arrays
Algorithms
5 kyu
Complete Binary Tree
435ecolban
Binary Trees
Heaps
Data Structures
Fundamentals
4 kyu
Vigenère Cipher Helper
7,795jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
Levenshtein Distance
690petermaier1
Strings
Algorithms
6 kyu
The Book of Mormon
2,370majakudlicka
Fundamentals
Mathematics
Recursion
6 kyu
Text align right
393depperm
Algorithms
Strings
7 kyu
Infinitely Nested Radicals
455Jomopipi
Mathematics
Algorithms
Logic
6 kyu
Sort My Animals
2,398GrahamD
Lists
Sorting
Fundamentals
7 kyu
Bubblesort Once
6,244donaldsebleung
Algorithms
Tutorials
Sorting
6 kyu
Cycle a list of values
1,699raine
Algorithms
8 kyu
Power
10,955hokon86
Restricted
7 kyu
Laxative Shot Roulette
1,295tl123
Probability
Puzzles
Data Science
Statistics
8 kyu
ASCII Total
12,453user3220651
Fundamentals
8 kyu
Collatz Conjecture (3n+1)
13,132Goncalerta
Fundamentals
Algorithms
Mathematics
8 kyu
Name on billboard
17,849val_alex
Fundamentals
Restricted
Strings
8 kyu
Grasshopper - Array Mean
24,140danleavitt0
Arrays
Lists
Fundamentals
8 kyu
Remove the time
15,975radiocontrolled
Date Time
Parsing
Fundamentals
8 kyu
Points of Reflection
8,363webtechalex
Mathematics
Geometry
Algorithms
8 kyu
Crash Override
8,604Peter Rhodes
Strings
Fundamentals
8 kyu
Find the Remainder
25,603constablebrew
Mathematics
Fundamentals
8 kyu
Define a card suit
17,486Dmitry Kudla
Fundamentals
Strings
6 kyu
Dashatize it
13,488Dragoris
Strings
Arrays
Regular Expressions
Fundamentals
8 kyu
Template Strings
11,934matt c
Strings
Fundamentals
5 kyu
Pick peaks
27,019frenetic_be
Arrays
Algorithms
5 kyu
Find Out the Number of Gold Coins!
65davimoreno
Mathematics
Number Theory
5 kyu
Smallest Multiple of 1 to n
56Yushi.py
Mathematics
Performance
Number Theory
7 kyu
Fractran Interpreter
216lsnbr
Interpreters
Esoteric Languages
4 kyu
Elemental Words
807dcsmith
Strings
Algorithms
Recursion
Arrays
6 kyu
Array combinations
2,202KenKamau
Fundamentals
6 kyu
Sum of many ints
2,877farzher
Mathematics
Algorithms
7 kyu
Trilingual democracy
1,199jcsahnwaldt
Fundamentals
Puzzles
Strings
6 kyu
Block Letter Printer
659Galvlbit
Strings
ASCII Art
Algorithms
7 kyu
Recaman Sequence
287dasoca
Algorithms
Performance
7 kyu
Frog's Dinner
1,090TimothyRedPanda
Mathematics
Algorithms
Puzzles