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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.

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Ad
8 kyu
Remove exclamation marks
114,968wichu
Fundamentals
Strings
8 kyu
Remove exclamation marks
114,968wichu
Fundamentals
Strings
7 kyu
Changing letters
8,519MarkusLanz
Fundamentals
Strings
8 kyu
Convert to Binary
34,539JapaX
Mathematics
Algorithms
Fundamentals
7 kyu
Convert Integer to Binary
1,985DivyanshBatham
Binary
Fundamentals
8 kyu
Dollars and Cents
23,915kolohelios
Functional Programming
Strings
Algorithms
8 kyu
Beginner - Reduce but Grow
156,441PG1
Fundamentals
Arrays
8 kyu
Remove duplicates from list
36,645wichu
Fundamentals
Arrays
Lists
7 kyu
Remove anchor from URL
45,555jhoffner
Regular Expressions
Strings
Fundamentals
8 kyu
String cleaning
25,636mkelty
Regular Expressions
Fundamentals
Strings
8 kyu
Regex count lowercase letters
20,662tdowek1
Fundamentals
Regular Expressions
Algorithms
7 kyu
Average Scores
7,032twinbird24
Mathematics
Fundamentals
8 kyu
Double Char
97,032Alpri Else
Fundamentals
Strings
7 kyu
Simple Class Terminology
505Anarki
Fundamentals
Object-oriented Programming
Retired
repeatIt (retired)
10,625AkyunaAkish
Fundamentals
Strings
8 kyu
Playing with cubes II
7,773Jotha
Fundamentals
Object-oriented Programming
8 kyu
Is this my tail?
27,390PG1
Debugging
7 kyu
isEven? - Bitwise Series
1,765MichaelSel
Restricted
Fundamentals
8 kyu
Count by X
138,172shums16
Arrays
Fundamentals
8 kyu
Reversed Words
86,106jhoffner
Strings
Algorithms
7 kyu
Remove duplicate words
20,849e.mihaylin
Strings
Regular Expressions
Algorithms
8 kyu
Removing Elements
76,298MorgzC41
Lists
Arrays
Fundamentals
7 kyu
max diff - easy
12,501Tefferson
Mathematics
Lists
Arrays
Fundamentals
8 kyu
To square(root) or not to square(root)
33,261user5036852
Mathematics
Arrays
Algorithms
7 kyu
Disemvowel Trolls
356,702osuushi
Strings
Regular Expressions
Fundamentals
Retired
Get number from string (retired)
12,734wichu
Strings
Regular Expressions
Fundamentals
8 kyu
Sort and Star
48,599PG1
Fundamentals
Strings
Arrays
Sorting
7 kyu
Sorted? yes? no? how?
20,804janitormeir
Arrays
Sorting
Fundamentals
7 kyu
Shortest Word
241,039PG1
Fundamentals
7 kyu
We Have Liftoff
3,135SpencerCDixon
Fundamentals
Arrays
Sorting
Strings
7 kyu
Evens and Odds
6,814ocirion
Fundamentals
Binary
7 kyu
Sort Out The Men From Boys
10,414MrZizoScream
Fundamentals
Algorithms
Sorting
7 kyu
Row Weights
23,950MrZizoScream
Fundamentals
Arrays
8 kyu
Basic Mathematical Operations
218,303Quickz
Mathematics
Fundamentals
7 kyu
Fizz Buzz
25,519stephenyu
Algorithms
Fundamentals
Arrays
7 kyu
How many arguments
10,059iozoo
Fundamentals
7 kyu
Bob's Short Forms
1,398codeo
Strings
Regular Expressions
Algorithms
Fundamentals
7 kyu
Count consonants
8,105bitfragment
Strings
Fundamentals
7 kyu
String ends with?
230,291jhoffner
Strings
Fundamentals
7 kyu
Get the Middle Character
270,881Shivo
Fundamentals
Strings
7 kyu
Reverse words
144,373jnicol
Strings
Fundamentals
8 kyu
Color Ghost
18,938ogryzek
Object-oriented Programming
Fundamentals
7 kyu
Find Count of Most Frequent Item in an Array
12,271Fosna
Data Structures
Fundamentals
7 kyu
Is n divisible by (...)?
7,585IVBakker
Fundamentals
7 kyu
Don't give me five!
41,347user5036852
Mathematics
Arrays
Algorithms
Retired
Calculator (retired)
11,547obrok
Algorithms
Parsing
Logic
Strings
Expressions
Basic Language Features
Fundamentals
8 kyu
Remove First and Last Character Part Two
25,081Steadyx
Fundamentals
Arrays
Strings
7 kyu
Basic Math (Add or Subtract)
6,205nza
Strings
Fundamentals
7 kyu
Return substring instance count
7,735jhoffner
Strings
Fundamentals
7 kyu
Character Counter
6,469Shivo
Strings
Algorithms
7 kyu
Partial Word Searching
7,446obnounce
Arrays
Strings
Fundamentals