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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

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Ad
1 kyu
7×7 Skyscrapers
1,968JohanWiltink
Algorithms
Games
Performance
2 kyu
Evaluate mathematical expression
9,523ankr
Mathematics
Parsing
Algorithms
2 kyu
Odd + Even = Odd? Prove it!
717AJFarmar
Number Theory
Fundamentals
3 kyu
GET TO THE CHOPPA!
1,117sazlin
Games
Puzzles
Algorithms
Graph Theory
3 kyu
The builder of things
1,003jhoffner
Metaprogramming
Domain Specific Languages
Algorithms
Language Features
3 kyu
Alphabetic Anagrams
6,239Azuaron
Mathematics
Logic
Strings
Algorithms
2 kyu
Regular expression parser
1,032phaul
Parsing
Functional Programming
Algorithms
2 kyu
Regular Expression - Check if divisible by 0b111 (7)
2,182Hacker Sakana
Puzzles
Regular Expressions
Strings
Algorithms
Retired
Calculator (retired)
11,547obrok
Algorithms
Parsing
Logic
Strings
Expressions
Basic Language Features
Fundamentals
3 kyu
Prime Ant - Crazy Version
48anter69
Performance
Memoization
Algorithms
4 kyu
Connect Letters
67smiks
Algorithms
Dynamic Programming
Puzzles
3 kyu
Count Connectivity Components
501ecolban
Strings
Algorithms
Graph Theory
2 kyu
Whitespace Interpreter
1,105jacobb
Esoteric Languages
Interpreters
Algorithms
3 kyu
Esolang Interpreters #4 - Boolfuck Interpreter
2,006donaldsebleung
Esoteric Languages
Interpreters
Algorithms
Tutorials
3 kyu
Papers, Please
775docgunthrop
Object-oriented Programming
Games
Regular Expressions
Fundamentals
3 kyu
Find the cheapest path
574FArekkusu
Algorithms
Performance
3 kyu
Make a spiral
14,644Bugari
Algorithms
Arrays
Logic
2 kyu
Gerrymander Solver
308docgunthrop
Puzzles
Logic
Algorithms
2 kyu
Hard Sudoku Solver
851f.rodrigues
Games
Algorithms
Game Solvers
Puzzles
3 kyu
Sudoku Solver
14,138pineappleclock
Games
Game Solvers
Algorithms
3 kyu
Alphametics Solver
420docgunthrop
Puzzles
Performance
Cryptography
Algorithms
3 kyu
Hard Sudoku Solver
1,026Marx314
Algorithms
Games
Puzzles
Game Solvers
2 kyu
6 By 6 Skyscrapers
2,445FrankK
Mathematics
Puzzles
Games
Arrays
Matrix
Algorithms
3 kyu
N-Parasitic Numbers Ending in N
914LesRamer
Algorithms
Mathematics
Puzzles
7 kyu
Euclidean distance in n dimensions
1,778kingcobra
Mathematics
Algorithms
Fundamentals
1 kyu
To BrainFuck Transpiler
206ZED.CWT
Esoteric Languages
Parsing
Compilers
1 kyu
Four Pass Transport
234docgunthrop
Puzzles
Games
Logic
Algorithms
Beta
Check and Mate?
482Zirgion
Status:Waiting for issues to be resolved
Estimated Rank:
2 kyu
Logic
Arrays
Data Structures
Games
Algorithms
3 kyu
Rail Fence Cipher: Encoding and Decoding
8,596darrentburgess
Algorithms
Ciphers
Cryptography
Strings
Security
3 kyu
Screen Locking Patterns
4,725rsalgado
Mathematics
Combinatorics
Geometry
Algorithms
Graph Theory
3 kyu
Stargate SG-1: Cute and Fuzzy (Improved version)
571Blind4Basics
Algorithms
Data Structures
Graph Theory
2 kyu
Debugger
635Dundee
Metaprogramming
2 kyu
Full Metal Chemist #1: build me...
349Blind4Basics
Object-oriented Programming
Fundamentals
3 kyu
Blobservation
377docgunthrop
Logic
Games
Object-oriented Programming
Performance
Algorithms
1 kyu
Multisize Nonogram Solver
160Avanta
Algorithms
Logic
Games
Game Solvers
2 kyu
15x15 Nonogram Solver
296Bubbler
Puzzles
Games
Performance
Game Solvers
3 kyu
Bloxorz Solver
426docgunthrop
Games
Puzzles
Game Solvers
Algorithms
2 kyu
Transforming Maze Solver
386docgunthrop
Algorithms
Arrays
Performance
Puzzles
3 kyu
Centre of attention
832geoffp
Algorithms
Arrays
2 kyu
Game of Go
388edwin0258
Games
Performance
Algorithms
1 kyu
Square sums
581metalim
Algorithms
Mathematics
1 kyu
Mine Sweeper
1,247myjinxin2015
Puzzles
Game Solvers
1 kyu
BECOME IMMORTAL
3,061Voile
Puzzles
Dynamic Programming
Performance
Algorithms
1 kyu
Sliding Puzzle Solver
1,070docgunthrop
Puzzles
Genetic Algorithms
Game Solvers
Algorithms
2 kyu
Insane Coloured Triangles
3,813Bubbler
Puzzles
Performance
Mathematics
2 kyu
Ludicrous Coloured Triangles
471rooflack
Puzzles
Mathematics
Algorithms
3 kyu
Mahjong - #2 Seven-pairs
110Hacker Sakana
Games
Logic
Algorithms
3 kyu
Binomial Expansion
6,160TheDoctor
Mathematics
Algebra
Algorithms
2 kyu
Blaine is a pain
478dinglemouse
Fundamentals
3 kyu
Insane Tri-Bicolor Tiling
80Bubbler
Algorithms
Fundamentals
Mathematics
Performance
3 kyu
Insane Circular Limited Sums
72Bubbler
Algorithms
Mathematics
3 kyu
Fabergé Easter Eggs crush test
1,809Ivana
Mathematics
Dynamic Programming
Performance
Algorithms
3 kyu
RoboScript #4 - RS3 Patterns to the Rescue
549donaldsebleung
Esoteric Languages
Interpreters
Functional Programming
Algorithms
3 kyu
Plants and Zombies
690docgunthrop
Logic
Games
Game Solvers
Algorithms
Object-oriented Programming
3 kyu
The Lift
3,338dinglemouse
Algorithms
Queues
Data Structures
1 kyu
Faberge easter eggs crush test [linear]
1,559ice1000
Performance
Algorithms
Mathematics
3 kyu
Permutation-free Strings
100Bubbler
Algorithms
Dynamic Programming
Mathematics
4 kyu
Egg Drops
96ecolban
Recursion
Dynamic Programming
Puzzles