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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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Beta
Last Digit of an Array
231user8795332
Status:Waiting for issues to be resolved
Estimated Rank:
8 kyu
Fundamentals
7 kyu
Not above the one!
1,490Nspringham
Arrays
Fundamentals
7 kyu
Scrabblemania
669view4
Fundamentals
Retired
match 1-65535 (retired)
62crazyYuyang
Status:Retired
Estimated Rank:
7 kyu
Regular Expressions
Fundamentals
Retired
Normal number (retired)
79aweleshetu
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
Draft
Degree or not Degree (Radian brooo)
40l4nk332
Status:Draft
Estimated Rank:
7 kyu
Mathematics
Fundamentals
Beta
How much doas a tankful in USA
25cored0wn
Status:Testing & feedback needed
Mathematics
Algorithms
Retired
Inverted school grades (retired)
77mpicone
Status:Retired
Fundamentals
Draft
Joe_fe's Kata #2
90Joe_fe
Status:Draft
Estimated Rank:
7 kyu
Arrays
Retired
Implement Array.prototype.forEach (retired)
160tbrisbout
Status:Retired
Estimated Rank:
7 kyu
Arrays
Functional Programming
Fundamentals
Beta
Card Counting
85user2704216
Status:Waiting for issues to be resolved
Fundamentals
Draft
Pig Latin Converter
233deeheber
Status:Draft
Estimated Rank:
7 kyu
Arrays
Data Structures
Strings
Retired
Trinary (retired)
59Lusina
Status:Retired
Estimated Rank:
7 kyu
Algorithms
Fundamentals
Mathematics
Retired
Largest product in a series (retired)
107Raulvv
Status:Retired
Mathematics
Algorithms
7 kyu
Array Mash
1,604benjicwood
Arrays
Strings
Fundamentals
Retired
Isosceles Triangle (retired)
66something24
Status:Retired
Estimated Rank:
8 kyu
Geometry
Fundamentals
Draft
Which path is the shortest?
46rinoma
Status:Draft
Estimated Rank:
6 kyu
Geometry
Algebra
Mathematics
Algorithms
Draft
Mrs Miggins the crazy cat lady
102jen-harris
Status:Draft
Estimated Rank:
8 kyu
Fundamentals
Strings
Retired
The Great Pyramid of Giza (retired)
65bowssy88
Status:Retired
Estimated Rank:
8 kyu
Fundamentals
Beta
Hacking Elections
16daspreuße
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Fundamentals
Draft
Pocket money
111njsnjs
Status:Draft
Estimated Rank:
8 kyu
Draft
EGG SHARING
34hxvz
Status:Draft
Estimated Rank:
7 kyu
Algorithms
Mathematics
Logic
7 kyu
London CityHacker
1,921HThanki
Fundamentals
Retired
Meme Maker (retired)
47K-Calderon-ASC
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
Retired
Can the Premier League leaders be caught? (retired)
20alanbuchanan
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
7 kyu
I'm already Tracer
355user9240328
Games
Fundamentals
Arrays
Beta
Find the Shifted Words
43jessnology
Status:Waiting for issues to be resolved
Estimated Rank:
7 kyu
Arrays
Fundamentals
Beta
Next Largest Value (by rearranging the last digit and the last by one if neccessary)
45Dragomirc
Status:Testing & feedback needed
Estimated Rank:
5 kyu
Fundamentals
Algorithms
Arrays
Draft
Bored Board Designer
23ccmiller2018
Status:Draft
Estimated Rank:
7 kyu
Strings
Retired
Cells states (retired)
42vanpeta
Status:Retired
Estimated Rank:
5 kyu
Algorithms
Retired
Find twice of a number's value (retired)
112setkyar
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
Mathematics
Algorithms
7 kyu
A Promise is a Promise
1,982Austin Haws
Fundamentals
Beta
Calculate the required interest rate
66AartiK1
Status:Testing & feedback needed
Estimated Rank:
7 kyu
Fundamentals
Retired
Calculate Monthly Mortgage Payment (retired)
191Dana
Status:Retired
Estimated Rank:
6 kyu
Algorithms
Draft
Hexadecimal conversion
403Lusina
Status:Draft
Estimated Rank:
7 kyu
Algorithms
Fundamentals
Draft
Array Compression #1
45funnbot
Status:Draft
Estimated Rank:
6 kyu
Arrays
Algorithms
6 kyu
Sherlock on pockets
290hagi
Algorithms
Arrays
Beta
Calculate Compound Annual Growth Rate of an investment
37karacun
Status:Waiting for issues to be resolved
Estimated Rank:
7 kyu
Fundamentals
Draft
Swapping values (Revamped!)
1,433kingcobra
Status:Draft
Estimated Rank:
8 kyu
Debugging
Fundamentals
5 kyu
Lie Detector
80lpabst
Mathematics
Algorithms
Retired
How do I dilute this correctly? (retired)
8DrWilliamsSteven
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
Retired
Square-Squeek numbers (retired)
34zurda
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
4 kyu
Counting String Subsequences
648hermanschaaf
Algorithms
Dynamic Programming
Strings
Beta
Robbing Rövarspråket
64trrapp12
Status:Testing & feedback needed
Strings
Arrays
Fundamentals
Retired
Bill Gates' Percentage Calculator (retired)
59swellep
Status:Retired
Fundamentals
Beta
Nth term - Linear Sequences
120user9079873
Status:Testing & feedback needed
Estimated Rank:
7 kyu
Algebra
Fundamentals
7 kyu
Boardgame Fight Resolve
880Brysen
Logic
Algorithms
Games
Retired
Flow division (retired)
56binggg
Status:Retired
Algorithms
Draft
Javascript Codegolf: Fibonacci sequence
60ericwenn
Status:Draft
Estimated Rank:
6 kyu
Restricted
Retired
Find the Number? (retired)
87shaikhameen29
Status:Retired
Estimated Rank:
7 kyu
Algorithms
Fundamentals
Retired
Find the Number? (retired)
87shaikhameen29
Status:Retired
Estimated Rank:
7 kyu
Algorithms
Fundamentals
Retired
Capital Words! (retired)
54xindekai
Status:Retired
Estimated Rank:
6 kyu
Fundamentals
Draft
Students' names list
446afonsomatos
Status:Draft
Fundamentals
Arrays
7 kyu
The sortReloaded() method
590luisvillalba
Arrays
Fundamentals
Sorting
Language Features
Draft
Percentage of Number Array
183ma3east
Status:Draft
Estimated Rank:
7 kyu
Algorithms
Arrays
Mathematics
Beta
Blackjack, should I hit?
105davidhu2000
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Algorithms
Retired
Extract the city (retired)
26Thor_Ironhack
Status:Retired
Estimated Rank:
7 kyu
Fundamentals
Draft
Average Everything (Deep Recursive Search)
17lpabst
Status:Draft
Estimated Rank:
5 kyu
Mathematics
Draft
Check for "!"
30Thor_Ironhack
Status:Draft
Estimated Rank:
6 kyu
Retired
Not 3 in a row (retired)
16macnick
Status:Retired
Estimated Rank:
6 kyu
Algorithms
Strings
Draft
Mr. Dickens Algebra Machine
20gnomecircle
Status:Draft
Mathematics
Algebra
7 kyu
Find the maximal product
274Tova7
Arrays
Algorithms
6 kyu
Poetic rhythm
119AurelieBayre
Strings
Arrays
Regular Expressions
Algorithms
Beta
Sharpen up
87tu6619
Status:Waiting for issues to be resolved
Estimated Rank:
7 kyu
Fundamentals
Arrays