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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
4,553petrosernivka
Fundamentals
Mathematics
4 kyu
Most frequently used words in a text
27,900markprzepiora
Strings
Filtering
Algorithms
Regular Expressions
3 kyu
Rail Fence Cipher: Encoding and Decoding
8,572darrentburgess
Algorithms
Ciphers
Cryptography
Strings
Security
4 kyu
Validate Sudoku with size `NxN`
9,312cbmono
Arrays
Puzzles
Algorithms
Object-oriented Programming
6 kyu
Simple Encryption #1 - Alternating Split
28,521user5036852
Cryptography
Algorithms
Strings
Arrays
Fundamentals
7 kyu
Find the stray number
66,879janitormeir
Fundamentals
Algorithms
5 kyu
Simple Pig Latin
163,004user2505876
Regular Expressions
Algorithms
5 kyu
int32 to IPv4
26,403sahglie
Networks
Bits
Algorithms
5 kyu
Simple Encryption #4 - Qwerty
698user5036852
Cryptography
Security
Strings
Algorithms
5 kyu
Not very secure
46,333mayrsascha
Regular Expressions
Strings
6 kyu
Title Case
37,311user527539
Strings
Fundamentals
Retired
Vowel remover (retired)
45,994naaz
Strings
Fundamentals
4 kyu
Sum Strings as Numbers
43,513nicknovitski
Strings
Big Integers
Algorithms
4 kyu
So Many Permutations!
47,383BattleRattle
Permutations
Strings
Algorithms
6 kyu
Consonant value
18,824KenKamau
Strings
Fundamentals
6 kyu
Find the unique number
145,215isqua
Fundamentals
Algorithms
Arrays
Performance
5 kyu
Can you get the loop ?
28,423Devouring
Algorithms
Linked Lists
Performance
6 kyu
Prüfer sequences and labeled trees
43benjaminzwhite
Algorithms
Mathematics
Graphs
Graph Theory
Trees
Combinatorics
6 kyu
Guess the array
332ice1000
Puzzles
Algorithms
Arrays
Beta
Prison Escape!!(via coins on chessboard)
16Raphael Darley
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Puzzles
8 kyu
Convert to Binary
34,498JapaX
Mathematics
Algorithms
Fundamentals
6 kyu
Reducing a pyramid
250FArekkusu
Algorithms
Performance
6 kyu
Arabian String
2,565dacoxall
Strings
Algorithms
6 kyu
Custom Christmas Tree
991myjinxin2015
Strings
ASCII Art
Puzzles
6 kyu
WeIrD StRiNg CaSe
48,145xDranik
Strings
Algorithms
6 kyu
Fibonacci on roids
510GiacomoSorbi
Recursion
Lists
Arrays
Algorithms
5 kyu
Efficient Power Modulo n
1,170osuushi
Mathematics
Algorithms
Performance
4 kyu
Squaredle solver
50bdupau
Puzzles
Games
Algorithms
Strings
5 kyu
Simple RSA Implementation
133psytech140
Cryptography
Algorithms
Number Theory
5 kyu
PaginationHelper
39,999jhoffner
Object-oriented Programming
Arrays
Algorithms
5 kyu
Complete Binary Tree
445ecolban
Binary Trees
Heaps
Data Structures
Fundamentals
4 kyu
Vigenère Cipher Helper
8,263jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
Levenshtein Distance
1,017petermaier1
Strings
Algorithms
6 kyu
The Book of Mormon
2,466majakudlicka
Fundamentals
Mathematics
Recursion
6 kyu
Text align right
401depperm
Algorithms
Strings
7 kyu
Infinitely Nested Radicals
473Jomopipi
Mathematics
Algorithms
Logic
6 kyu
Sort My Animals
2,531GrahamD
Lists
Sorting
Fundamentals
7 kyu
Bubblesort Once
6,754donaldsebleung
Algorithms
Tutorials
Sorting
6 kyu
Cycle a list of values
1,732raine
Algorithms
8 kyu
Power
11,621hokon86
Restricted
7 kyu
Laxative Shot Roulette
1,404tl123
Probability
Puzzles
Data Science
Statistics
8 kyu
ASCII Total
13,060user3220651
Fundamentals
8 kyu
Collatz Conjecture (3n+1)
14,259Goncalerta
Fundamentals
Algorithms
Mathematics
8 kyu
Name on billboard
18,806val_alex
Fundamentals
Restricted
Strings
8 kyu
Grasshopper - Array Mean
26,276danleavitt0
Arrays
Lists
Fundamentals
8 kyu
Remove the time
17,052radiocontrolled
Date Time
Parsing
Fundamentals
8 kyu
Points of Reflection
9,917webtechalex
Mathematics
Geometry
Algorithms
8 kyu
Crash Override
8,973Peter Rhodes
Strings
Fundamentals
8 kyu
Find the Remainder
26,998constablebrew
Mathematics
Fundamentals
8 kyu
Define a card suit
18,559Dmitry Kudla
Fundamentals
Strings
6 kyu
Dashatize it
14,849Dragoris
Strings
Arrays
Regular Expressions
Fundamentals
8 kyu
Template Strings
12,701matt c
Strings
Fundamentals
5 kyu
Pick peaks
28,366frenetic_be
Arrays
Algorithms
5 kyu
Find Out the Number of Gold Coins!
97davimoreno
Mathematics
Number Theory
5 kyu
Smallest Multiple of 1 to n
69Yushi.py
Mathematics
Performance
Number Theory
7 kyu
Fractran Interpreter
224lsnbr
Interpreters
Esoteric Languages
4 kyu
Elemental Words
893dcsmith
Strings
Algorithms
Recursion
Arrays
6 kyu
Array combinations
2,589KenKamau
Fundamentals
Combinatorics
6 kyu
Sum of many ints
2,911farzher
Mathematics
Algorithms
7 kyu
Trilingual democracy
2,107jcsahnwaldt
Fundamentals
Puzzles
Strings
6 kyu
Block Letter Printer
732Galvlbit
Strings
ASCII Art
Algorithms
7 kyu
Recaman Sequence
533dasoca
Algorithms
Performance
7 kyu
Factorial division
2,103Azofainfa
Mathematics
Algorithms
4 kyu
Hide a message in a deck of playing cards
253Zwyx
Cryptography
Mathematics
Games
Permutations
Algorithms
7 kyu
My Language Skills
17,957anter69
Sorting
Arrays
Algorithms
5 kyu
Digitwise addition
140MatttNguyen
Algorithms
Mathematics
6 kyu
Common array elements
1,477KenKamau
Arrays
Performance
Algorithms
6 kyu
Vector Affinity
1,639keithhamilton
Data Structures
Algorithms
5 kyu
Base Reversal Count
26tonylicoding
Algorithms
Mathematics
7 kyu
What dominates your array?
4,424joh_pot
Arrays
Fundamentals