Fun
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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
Baby shark lyrics generator
2,590albertogcmr
Strings
Lists
Fundamentals
Restricted
6 kyu
Give me a Diamond
36,637jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Build Tower
100,9598fdafs2
Strings
ASCII Art
Fundamentals
6 kyu
Write Number in Expanded Form
80,307Belax8
Strings
Mathematics
Algorithms
Fundamentals
4 kyu
Validate Sudoku with size `NxN`
9,341cbmono
Arrays
Puzzles
Algorithms
Object-oriented Programming
4 kyu
Snail
76,124stevenbarragan
Arrays
Algorithms
5 kyu
Pick peaks
28,384frenetic_be
Arrays
Algorithms
5 kyu
Street Fighter 2 - Character Selection - Part 2
1,982mmalkavian
Arrays
Lists
Fundamentals
Graph Theory
7 kyu
Grid blast!
2,023By-The-Ocean
Fundamentals
Arrays
7 kyu
Ultimate Array Reverser
2,717jaybruce1998
Fundamentals
Algorithms
7 kyu
Clean up after your dog
4,988PG1
Fundamentals
Strings
Arrays
Mathematics
5 kyu
The Clockwise Spiral
3,859alex.budiakov
Arrays
Puzzles
7 kyu
TV Remote
2,751dinglemouse
Algorithms
6 kyu
The Deaf Rats of Hamelin
6,492dinglemouse
Fundamentals
Strings
Algorithms
Queues
Data Structures
5 kyu
Land perimeter
4,826St3f4n
Fundamentals
7 kyu
String Packet Based Communications
1,194Polar
Networks
Strings
Fundamentals
Logic
5 kyu
Find heavy ball - level: master
1,730tiriana
Puzzles
Logic
Riddles
6 kyu
Bowling Pins
2,962zruF
Arrays
Strings
Fundamentals
6 kyu
Seven Segment Display
210TehMac
Fundamentals
Strings
5 kyu
Grab CSV Columns
1,078xDranik
Strings
Algorithms
6 kyu
I Liked the SQL Better...
1,096xcthulhu
SQL
Databases
Fundamentals
6 kyu
You look like a classy instance! Show me what you've got! - Part 1
578Skratch
Data Structures
Strings
Lists
Fundamentals
Object-oriented Programming
6 kyu
Has the Largest Product Horizontal or Vertical Direction? Find it!!
129raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Algebra
Performance
6 kyu
Maze Runner
7,490adrian.eyre
Arrays
Fundamentals
6 kyu
Reverse polish notation calculator
11,278vgrichina
Algorithms
Mathematics
Interpreters
Parsing
Strings
6 kyu
Check by Queen
617dukies_2000
Fundamentals
6 kyu
Parse bank account number
1,202arhigod
Strings
Puzzles
6 kyu
FIXME: Hello
2,388dinglemouse
Debugging
4 kyu
Vigenère Cipher Helper
8,271jacobb
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
Compare Versions
3,779prksingh
Strings
Fundamentals
6 kyu
A for Apple
611sunboshan
ASCII Art
Fundamentals
6 kyu
2D Cellular Neighbourhood - Part 2
182sgerodes
Algorithms
Data Structures
Arrays
Matrix
3 kyu
Sudoku Solver
14,108pineappleclock
Games
Game Solvers
Algorithms
5 kyu
Diagonals
213surtich
Matrix
Algorithms
7 kyu
Aerial Firefighting
1,961coderors
Strings
Algorithms
Puzzles
6 kyu
Complete the matrix pattern
317myjinxin2015
Puzzles
Algorithms
Matrix
6 kyu
String tops
1,752dcieslak
Fundamentals
Strings
6 kyu
Text align right
402depperm
Algorithms
Strings
6 kyu
We are the Robots d[(0)(0)]b
303user8476848
Algorithms
Data Structures
Regular Expressions
Puzzles
Strings
6 kyu
Simple Fun #318: Sort String
410myjinxin2015
Algorithms
Strings
Sorting
6 kyu
Double Even Magic Square
114Abelard_Snazz
Fundamentals
Puzzles
Arrays
Mathematics
6 kyu
Regex Tic Tac Toe Win Checker
1,240tachyonlabs
Games
Regular Expressions
Fundamentals
6 kyu
Rotate Corners
193zebulan
Fundamentals
6 kyu
Get Password from grid
622kodejuice
Logic
Arrays
Algorithms
Data Structures
6 kyu
Duplicates. Duplicates Everywhere.
2,416bretcameron
Arrays
Sets
Sorting
Fundamentals
5 kyu
Molecule to atoms
5,892romanzes
Parsing
Algorithms
Strings