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Train Now

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.

Description

This collection contains all the katas I solved. I created for reviwing process.

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Retired
N-th Power (retired)
35,399Milford
Fundamentals
Arrays
7 kyu
Without the letter 'E'
2,364k.steflovic
Regular Expressions
Strings
Fundamentals
7 kyu
Filter the number
18,585matt c
Strings
Fundamentals
7 kyu
Number Of Occurrences
12,886madmed88
Arrays
Fundamentals
7 kyu
Credit Card Mask
190,378samranjbari
Strings
Algorithms
7 kyu
Ordering the words!
3,081Parra_Inc
Strings
Sorting
Fundamentals
7 kyu
Covfefe
5,953AzariasB
Strings
8 kyu
Pythagorean Triple
17,075elexie
Algebra
Mathematics
Fundamentals
8 kyu
Array plus array
87,179Dmitry Kudla
Fundamentals
Arrays
Debugging
7 kyu
Find Count of Most Frequent Item in an Array
12,460Fosna
Data Structures
Fundamentals
7 kyu
Odd or Even?
141,381ethaning
Fundamentals
Arrays
7 kyu
Monotone travel
6,684bkaes
Lists
Fundamentals
7 kyu
Largest Elements
12,784xcthulhu
Arrays
Fundamentals
7 kyu
Most digits
15,718Gbaja
Strings
Fundamentals
7 kyu
Fizz Buzz
25,687stephenyu
Algorithms
Fundamentals
Arrays
7 kyu
Arithmetic List!
5,088zenAndroid
Arrays
Fundamentals
7 kyu
Partial Word Searching
7,534obnounce
Arrays
Strings
Fundamentals
7 kyu
Coding Meetup #17 - Higher-Order Functions Series - Sort by programming language
2,033PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Sorting
7 kyu
Hit Count
3,333glenoakes
Arrays
Fundamentals
7 kyu
Alternate Square Sum
3,611hakunaMatata
Fundamentals
Arrays
Lists
7 kyu
The highest profit wins!
98,191bkaes
Lists
Arrays
Fundamentals
7 kyu
Number Pairs
6,203bmw318mt
Arrays
Fundamentals
7 kyu
Filter Coffee
4,535Bitcorn
Arrays
Fundamentals
8 kyu
CSV representation of array
19,175Dmitry Kudla
Fundamentals
Arrays
Strings
7 kyu
Flatten
12,644xcthulhu
Functional Programming
Arrays
Fundamentals
7 kyu
Sort by Last Char
9,435PG1
Fundamentals
Strings
Arrays
Sorting
8 kyu
Enumerable Magic #20 - Cascading Subsets
8,330bellmyer
Fundamentals
Lists
Data Structures
Arrays
Algorithms
8 kyu
Gravity Flip
35,435LogicalX
Puzzles
Arrays
7 kyu
Running functions
308user7657844
Lists
Fundamentals
6 kyu
Exercise in Summing
2,080jmusto
Arrays
Fundamentals
7 kyu
Parts of a list
16,963g964
Arrays
Lists
Data Structures
Algorithms
7 kyu
Maximum Length Difference
29,048g964
Fundamentals
7 kyu
Coding Meetup #4 - Higher-Order Functions Series - Find the first Python developer
9,644PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
Regular Expressions
7 kyu
The Hidden Word
1,381veredrec
Strings
Regular Expressions
Fundamentals
8 kyu
Define a card suit
18,891Dmitry Kudla
Fundamentals
Strings
8 kyu
L1: Bartender, drinks!
22,652Swolebrain
Strings
Fundamentals
8 kyu
Multiply
5,535,952
Debugging
Fundamentals
8 kyu
Even or Odd
533,150suuuzi
Mathematics
Fundamentals
8 kyu
Sum of positive
314,051JbPasquier
Arrays
Fundamentals
7 kyu
Return String of First Characters
7,360bmw318mt
Strings
Regular Expressions
Fundamentals
8 kyu
Remove exclamation marks
116,298wichu
Fundamentals
Strings
8 kyu
Welcome!
51,685lucymonie
Fundamentals
8 kyu
To square(root) or not to square(root)
33,458user5036852
Mathematics
Arrays
Algorithms
8 kyu
Calculate average
164,151wichu
Fundamentals
Arrays
8 kyu
Is this my tail?
27,738PG1
Debugging
8 kyu
Remove duplicates from list
36,919wichu
Fundamentals
Arrays
Lists
8 kyu
My head is at the wrong end!
48,337PG1
Arrays
Lists
Algorithms
7 kyu
Two Oldest Ages
33,901jhoffner
Arrays
Algorithms
7 kyu
Predict your age!
23,831Torkel
Fundamentals
7 kyu
Divide and Conquer
15,733PG1
Fundamentals
Strings
Arrays
8 kyu
5 without numbers !!
36,123KH!
Restricted
Fundamentals
Puzzles
8 kyu
L1: Set Alarm
102,137Swolebrain
Fundamentals
Logic
8 kyu
Will you make it?
148,131user2514386
Mathematics
Fundamentals
7 kyu
Coding Meetup #1 - Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe
15,799PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #2 - Higher-Order Functions Series - Greet developers
12,184PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #3 - Higher-Order Functions Series - Is Ruby coming?
10,527PiotrBerebecki
Data Structures
Fundamentals
Algorithms
Strings
Regular Expressions
Arrays
Functional Programming
7 kyu
Coding Meetup #5 - Higher-Order Functions Series - Prepare the count of languages
7,980PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
7 kyu
Coding Meetup #6 - Higher-Order Functions Series - Can they code in the same language?
8,253PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #7 - Higher-Order Functions Series - Find the most senior developer
5,763PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Coding Meetup #8 - Higher-Order Functions Series - Will all continents be represented?
5,294PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings