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782 Kata Found
6 kyu
Row of the odd triangle
14
14
0
91%
of
108
438
shikyo
Algorithms
Performance
3 kyu
Upside-Down Numbers - Challenge Edition
122
122
16
91%
of
22
95
docgunthrop
Algorithms
Performance
3 kyu
Alphametics Solver
121
121
28
94%
of
25
97
docgunthrop
Algorithms
Puzzles
Games
Performance
Optimization
Cryptography
Security
6 kyu
Sums of Parts
165
165
30
90%
of
582
3,451
g964
Algorithms
Fundamentals
Performance
7 kyu
The wheat/rice and chessboard problem
49
49
10
91%
of
264
1,204
GiacomoSorbi
Puzzles
Mathematics
Algorithms
Numbers
Bitwise Operators
Bits
Operators
Advanced Language Features
Binary
Fundamentals
Recursion
Computability Theory
Theoretical Computer Science
8 kyu
Regexp Basics - is it a digit?
106
106
41
85%
of
773
5,507
taw
5 Issues Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
5 kyu
Ziggurat Ride of Fortune
35
35
8
98%
of
27
74
docgunthrop
Algorithms
Arrays
Performance
5 kyu
Iterative Rotation Cipher
78
78
32
95%
of
63
208
docgunthrop
Algorithms
Strings
Ciphers
Cryptography
Security
Encryption
7 kyu
Remove anchor from URL
95
95
30
85%
of
979
10,014
jhoffner
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
6 kyu
Create Phone Number
615
615
186
82%
of
6,190
55,903
xDranik
Algorithms
Arrays
Strings
Loops
Control Flow
Basic Language Features
Fundamentals
Formatting
Regular Expressions
Declarative Programming
Advanced Language Features
5 kyu
Master your primes: sieve with memoization
26
26
12
82%
of
25
68
GiacomoSorbi
Algorithms
Memoization
Design Patterns
Design Principles
Optimization
5 kyu
Interlaced Spiral Cipher
37
37
9
96%
of
26
73
docgunthrop
Algorithms
Ciphers
Cryptography
Security
Strings
5 kyu
Tongues
52
52
10
94%
of
152
1,187
Frzy
Algorithms
Strings
Encryption
Cryptography
Security
Decryption
Ciphers
6 kyu
Split Strings
293
293
108
86%
of
2,369
20,729
jhoffner
5 Issues Reported
Algorithms
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
6 kyu
Numericals of a String
111
111
22
94%
of
349
1,979
Jomo Pipi
Algorithms
Games
Puzzles
Performance
8 kyu
Simple validation of a username with regex
99
99
39
93%
of
628
4,294
daymos
4 Issues Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
6 kyu
JSON Class Decorator
13
13
3
98%
of
30
65
SquishyStrawberry
Fundamentals
Classes
Basic Language Features
Object-oriented Programming
6 kyu
Look and say sequence generator
29
29
6
95%
of
106
326
GiacomoSorbi
Fundamentals
Sequences
Arrays
Constructors
Basic Language Features
Strings
Regular Expressions
Declarative Programming
Advanced Language Features
Numbers
7 kyu
Find the longest gap!
53
53
6
93%
of
185
1,339
joh_pot
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
6 kyu
Generic numeric template formatter
35
35
19
96%
of
153
596
GiacomoSorbi
Algorithms
Numbers
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
Formats
6 kyu
Fibonacci on roids
18
18
10
84%
of
54
179
GiacomoSorbi
Algorithms
Recursion
Computability Theory
Theoretical Computer Science
Optimization
Iterators
Control Flow
Object-oriented Programming
Basic Language Features
Fundamentals
Map/Reduce
Lists
Data Structures
Arrays
5 kyu
First Variation on Caesar Cipher
491
491
72
82%
of
447
2,490
g964
Fundamentals
Ciphers
Algorithms
Cryptography
Security
Strings
Utilities
5 kyu
Card-Chameleon, a Cipher with Playing Cards
24
24
9
90%
of
15
36
Zwyx
Algorithms
Cryptography
Security
Games
5 kyu
Simple Finite State Machine Compiler
57
57
9
97%
of
47
207
Catfider
Fundamentals
State Machines
Computational Science
Theoretical Computer Science
Design Patterns
Interpreters
Algorithms
Classes
Basic Language Features
Object-oriented Programming
Compiler Theory
5 kyu
Vector Class
17
17
4
90%
of
40
125
Detry322
Fundamentals
Dynamic Arrays
Arrays
Functional Programming
Declarative Programming
Vectors
Classes
Basic Language Features
Object-oriented Programming
5 kyu
Snakes and Ladders
331
331
100
95%
of
441
1,823
adrian.eyre
Fundamentals
Classes
Basic Language Features
Object-oriented Programming
Functions
Control Flow
Design Patterns
Design Principles
Games
1 kyu
Haskellish Syntax
11
11
3
100%
of
7
11
TheBookmarkKnight
Puzzles
Metaprogramming
Advanced Language Features
Fundamentals
8 kyu
A Strange Trip to the Market
65
65
27
84%
of
800
5,008
sergarrick
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
5 kyu
The Doppelganger Enigma
3
3
0
100%
of
7
13
Voile
Bugs
Advanced Language Features
Fundamentals
6 kyu
String subpattern recognition III
15
15
4
94%
of
47
116
GiacomoSorbi
3 Issues Reported
Fundamentals
Strings
Regular Expressions
Declarative Programming
Advanced Language Features
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