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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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6 kyu
Street Fighter 2 - Character Selection
11,396mmalkavian
Arrays
Lists
Fundamentals
Graph Theory
7 kyu
Averages of numbers
10,138user5036852
Fundamentals
Logic
Algorithms
7 kyu
Java Functional Programming (Part 3: Closured for Business)
1,049Azuaron
Functional Programming
Fundamentals
7 kyu
Java Functional Programming (Part 2: Multiline Functions)
1,366Azuaron
Functional Programming
Fundamentals
7 kyu
Java Functional Programming (Part 1: The Beginning)
2,396Azuaron
Functional Programming
Fundamentals
6 kyu
Tribonacci Sequence
145,676GiacomoSorbi
Number Theory
Arrays
Lists
Fundamentals
7 kyu
Get the Middle Character
254,447Shivo
Fundamentals
Strings
6 kyu
Create Phone Number
311,620xDranik
Arrays
Strings
Regular Expressions
Algorithms
7 kyu
Ones and Zeros
135,534user4386369
Fundamentals
Arrays
Retired
Dubstep (retired)
92,737AlexIsHappy
Fundamentals
Strings
Data Types
6 kyu
Simple Encryption #1 - Alternating Split
27,280user5036852
Cryptography
Algorithms
Strings
Arrays
Fundamentals
7 kyu
Maximum Length Difference
27,640g964
Fundamentals
7 kyu
Two fighters, one winner.
26,151Scopula
Games
Algorithms
Logic
Fundamentals
6 kyu
Evil Autocorrect Prank
5,011yaphi1
Strings
Regular Expressions
Algorithms
6 kyu
Rotate Array
2,114cjmcgraw
Arrays
Algorithms
6 kyu
Give me a Diamond
34,291jayeshcp
Strings
ASCII Art
Fundamentals
7 kyu
Is this a triangle?
163,888silentZaika
Mathematics
Fundamentals
7 kyu
Moves in squared strings (I)
12,872g964
Fundamentals
Algorithms
Strings
7 kyu
Parts of a list
15,780g964
Arrays
Lists
Data Structures
Algorithms
6 kyu
Bouncing Balls
84,541g964
Puzzles
Algorithms
Mathematics
Retired
Checking Groups (retired)
7,129JS01
Algorithms
Data Structures
Strings
Data Types
6 kyu
Matrices I: A form of data storage
146MazTheMazy
Fundamentals
Mathematics
Data Structures
Algebra
Linear Algebra
Arrays
Lists
Matrix
6 kyu
Bit Counting
228,046xcthulhu
Bits
Algorithms
7 kyu
Delta Bits
3,180ykagan
Bits
Binary
Algorithms
4 kyu
Pyramid Slide Down
17,052rodentrabies
Algorithms
Dynamic Programming
6 kyu
up AND down
2,957g964
Fundamentals
Strings
6 kyu
String Pyramid
687user5036852
Mathematics
Strings
Algorithms
ASCII Art