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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
World Traveler
14k__
Status:Waiting for issues to be resolved
Estimated Rank:
5 kyu
Puzzles
Algorithms
Fundamentals
Beta
Speaking Numbers
8TheodoreDOttavio
Status:Waiting for issues to be resolved
Estimated Rank:
6 kyu
Strings
Puzzles
Beta
The Overlap Time
11Phlegz
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Algorithms
Mathematics
Puzzles
Beta
Shortest string that contains all possible bigrams from set of characters
1071c
Status:Waiting for issues to be resolved
Estimated Rank:
6 kyu
Strings
Mathematics
Puzzles
Beta
myjinxin katas #004 : Soldier's queue training(easy version)
6myjinxin2015
Status:Testing & feedback needed
Estimated Rank:
4 kyu
Puzzles
Beta
myjinxin katas #005 : Age Of Wind
6myjinxin2015
Status:Testing & feedback needed
Estimated Rank:
5 kyu
Puzzles
Beta
Pi approximation fractions
11polluxCast0r
Status:Waiting for issues to be resolved
Estimated Rank:
6 kyu
Mathematics
Algorithms
Beta
Simple Fun #392: Count Robot
6myjinxin2015
Status:Testing & feedback needed
Estimated Rank:
5 kyu
Puzzles
Mathematics
Arrays
Algorithms
Beta
Layout ordered sections in columns
21mweiss
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Algorithms
Beta
Tank coding #1 : simple AIM systems
14Wittybit
Status:Waiting for issues to be resolved
Algorithms
Beta
How many workers are needed
11osofem
Status:Waiting for issues to be resolved
Estimated Rank:
3 kyu
Mathematics
Algorithms
Retired
Article archive and social likes (retired)
27franzmoro88
Status:Retired
Estimated Rank:
6 kyu
Arrays
Strings
Fundamentals
Beta
Polynomial regression
14zvytas
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Algorithms
Mathematics
Algebra
Beta
Warrior's adventure
9Wittybit
Status:Testing & feedback needed
Estimated Rank:
3 kyu
Artificial Intelligence
Puzzles
Algorithms
Beta
Natural Language Calculator
8zachdaniel
Status:Waiting for issues to be resolved
Estimated Rank:
5 kyu
Puzzles
Beta
Jigsaw Puzzle
20Austin Haws
Status:Awaiting approval
Estimated Rank:
6 kyu
Puzzles
7 kyu
Pisano Period
272akyunus
Mathematics
Algorithms
Arrays
6 kyu
#2 What are the Odds?
25SavageWilliam
Recursion
Algorithms
Fundamentals
Beta
Hacking Elections
15daspreuße
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Fundamentals
Beta
Most Popular Landmark
13ahitt6345
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Algorithms
Retired
All Combinations (retired)
33tangweikun
Status:Retired
Arrays
Algorithms
Beta
Write Your Own Non-Templating Engine
10wthit56
Status:Testing & feedback needed
Algorithms
Beta
Add and Subtract Combinations
15tomraithel
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Algorithms
Retired
Alternating Operations On A Nested Array (retired)
14menothe
Status:Retired
Estimated Rank:
6 kyu
Algorithms
Fundamentals
Mathematics
Beta
Amount to Coins - Universal
15juliankolbe
Status:Testing & feedback needed
Estimated Rank:
5 kyu
Algorithms
Fundamentals
Recursion
Beta
Arithmetic function plotter
11ivosdc
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Arrays
Strings
ASCII Art
Fundamentals
Beta
Blackjack, should I hit?
95davidhu2000
Status:Testing & feedback needed
Estimated Rank:
6 kyu
Algorithms
Beta
Cable Matching Problem
50Sarkanyolo
Status:Waiting for issues to be resolved
Estimated Rank:
5 kyu
Algorithms
Retired
Cells states (retired)
42vanpeta
Status:Retired
Estimated Rank:
5 kyu
Algorithms
Beta
Is It In?
20iamchingel
Status:Waiting for issues to be resolved
Estimated Rank:
4 kyu
Fundamentals
Draft
Count Primes
19gkucmierz
Status:Draft
Estimated Rank:
5 kyu
Algorithms
6 kyu
Simple Fun #295: Guess Number
59myjinxin2015
Mathematics
Number Theory
Draft
Burst balloon
0myjinxin2015
Status:Draft
Estimated Rank:
5 kyu
Algorithms
Puzzles
Draft
T.T.T.30: Killer and Password lock
0myjinxin2015
Status:Draft
Estimated Rank:
6 kyu
Puzzles
Games
Draft
T.T.T.42: Porn patch master（18禁补丁大师）
1myjinxin2015
Status:Draft
Estimated Rank:
6 kyu
Puzzles
Games