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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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7 kyu
Split In Parts
8,033bmw318mt
Strings
Fundamentals
7 kyu
Playing with cubes III
472Jotha
Mathematics
Refactoring
7 kyu
Factorial
43,214zvytas
Algorithms
Fundamentals
7 kyu
Color of the moment
343keune
Strings
Fundamentals
7 kyu
Spoonerize Me
6,983webtechalex
Strings
Algorithms
7 kyu
Name Array Capping
9,560ogryzek
Strings
Arrays
Fundamentals
7 kyu
Chain me
7,835nrgarg
Fundamentals
7 kyu
Sum of Triangular Numbers
17,731ThomasL
Mathematics
Fundamentals
7 kyu
The Coupon Code
31,464yaphi1
Date Time
Strings
Fundamentals
7 kyu
Zip it!
999joh_pot
Arrays
Fundamentals
Retired
Vasya and Plates (retired)
283AlexIsHappy
Puzzles
Algorithms
Logic
Mathematics
Numbers
Fundamentals
7 kyu
Rigged Dice
985Scopula
Probability
Refactoring
7 kyu
What dominates your array?
4,665joh_pot
Arrays
Fundamentals
7 kyu
Ones and Zeros
154,896user4386369
Fundamentals
Arrays
6 kyu
Convert string to camel case
206,210jhoffner
Regular Expressions
Algorithms
Strings
7 kyu
Not all but sometimes all
1,513joh_pot
Strings
Fundamentals
7 kyu
Correct the date-string
486user5036852
Parsing
Strings
Fundamentals
7 kyu
Binary sXORe
947NaMe613
Binary
Algorithms
7 kyu
Noye's Fludde
225Jwhiles
Arrays
Fundamentals
Retired
IQ Test (retired)
83,595AlexIsHappy
Fundamentals
Logic
6 kyu
Data Reverse
25,287sataman
Arrays
Fundamentals
6 kyu
Reducing by rules to get the result
1,475user5036852
Arrays
Logic
Algorithms
6 kyu
Character with longest consecutive repetition
11,864suic
Strings
Fundamentals
Algorithms
6 kyu
Give me a Diamond
38,203jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Basics 03: Strings, Numbers and Calculation
1,992smile67
Strings
Fundamentals
Mathematics
Arrays
6 kyu
Pascal's Triangle
11,703boatmeme
Arrays
Mathematics
Algorithms
6 kyu
Most Frequent Weekdays
3,656suic
Fundamentals
6 kyu
Triple trouble
15,477joh_pot
Algorithms
6 kyu
Sorting on planet Twisted-3-7
2,901user5036852
Mathematics
Sorting
Arrays
Algorithms
6 kyu
Easy, but Crazy Calculator
130smile67
Mathematics
Fundamentals
Algebra
Algorithms
Retired
Word Patterns (retired)
785joh_pot
Algorithms
6 kyu
Highest Rank Number in an Array
17,853KK20994
Arrays
Fundamentals
6 kyu
Sort the odd
114,727fyvfyv
Fundamentals
Arrays
Sorting
6 kyu
Statistics for an Athletic Association
11,167g964
Fundamentals
Strings
Statistics
Mathematics
Data Science
6 kyu
Calculate String Rotation
7,497obnounce
Strings
Arrays
Algorithms
6 kyu
Sortable Shapes
2,875FrankK
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
6 kyu
Help the bookseller !
31,140g964
Fundamentals
Algorithms
6 kyu
Vowel Shifting
1,565user5036852
Strings
Regular Expressions
Algorithms
6 kyu
Group in 10s
1,110matthewglover
Arrays
Lists
Fundamentals
6 kyu
Required Data I
1,330raulbc777
Algorithms
Data Structures
Sorting
Fundamentals
6 kyu
Create Phone Number
352,611xDranik
Arrays
Strings
Regular Expressions
Algorithms