Kata
Sign Up
Kata
Kumite
Forum
Wiki
Leaders
Log In
Sign Up
Library
Collections
Sort by:
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Recently Published
Hardest
Easiest
Name
Language:
All
My Languages
BF (Beta)
C
Clojure
CoffeeScript
C++
Crystal
C#
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Fortran (Beta)
F#
Go
Groovy (Beta)
Haskell
Java
JavaScript
Julia (Beta)
Kotlin (Beta)
Lua (Beta)
NASM (Beta)
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
PHP
PowerShell (Beta)
PureScript (Beta)
Python
R (Beta)
Ruby
Rust
Scala (Beta)
Shell
Solidity (Beta)
SQL
Swift
TypeScript
Status:
Approved & Beta
Approved
Beta
Progress:
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
Difficulty:
8 kyu
8 kyu
7 kyu
7 kyu
6 kyu
6 kyu
5 kyu
5 kyu
4 kyu
4 kyu
3 kyu
3 kyu
2 kyu
2 kyu
1 kyu
1 kyu
Tags:
Fundamentals (4941)
Algorithms (3855)
Data Types (2936)
Logic (2751)
Numbers (1584)
Puzzles (1407)
Strings (1384)
Mathematics (1235)
Arrays (1230)
Games (1150)
Basic Language Features (1021)
Programming Paradigms (946)
Control Flow (702)
Data Structures (695)
Declarative Programming (563)
Advanced Language Features (396)
Object-oriented Programming (306)
Regular Expressions (295)
Functions (273)
Lists (242)
Arithmetic (210)
Loops (199)
Functional Programming (198)
Objects (181)
Algebra (171)
Bugs (152)
Theoretical Computer Science (152)
Data (142)
Security (141)
Computability Theory (136)
Recursion (136)
Performance (134)
Parsing (131)
Sorting (121)
Integers (120)
Binary (118)
Classes (115)
Optimization (115)
Dates/Time (111)
Geometry (110)
Cryptography (109)
Graphs (106)
Utilities (102)
Databases (87)
Information Systems (87)
SQL (85)
Design Principles (83)
Design Patterns (78)
Sequences (71)
Refactoring (66)
688 Kata Found
Beta
Count The Hits Adding Contiguous Powers!
0
0
0
100%
of
2
4
raulbc777
Fundamentals
Control Flow
Basic Language Features
Mathematics
Algorithms
Numbers
Functions
Permutations
Sorting
Declarative Programming
Strings
6 kyu
Word Segmentation: MaxMatch
10
10
2
94%
of
35
126
ewingsa
Algorithms
Parsing
Strings
Recursion
Computability Theory
Theoretical Computer Science
Basic Language Features
Fundamentals
Loops
Control Flow
Arrays
6 kyu
Help Mrs Jefferson
28
28
8
94%
of
118
432
raulbc777
Fundamentals
Data Structures
Arrays
Mathematics
Algorithms
Numbers
Control Flow
Basic Language Features
Declarative Programming
Beta
Separate The Wheat From The Chaff
1
1
1
65%
of
10
16
MrZizoScream
Fundamentals
Numbers
Basic Language Features
Arrays
Dynamic Arrays
Functional Programming
Declarative Programming
Vectors
Performance
Beta
Almost Isosceles Integer Triangles With Their Angles With Asymptotic Tendency
1
1
0
100%
of
2
4
raulbc777
Fundamentals
Algorithms
Performance
Numbers
Arithmetic
Mathematics
Recursion
Computability Theory
Theoretical Computer Science
Geometry
Algebra
6 kyu
Shuffle It Up II
5
5
1
100%
of
5
12
raulbc777
Fundamentals
Algorithms
Performance
Numbers
Arithmetic
Mathematics
Recursion
Computability Theory
Theoretical Computer Science
5 kyu
Car Rental Business Needs Statistics and Programming
5
5
0
72%
of
9
20
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Control Flow
Basic Language Features
Mathematics
Numbers
Declarative Programming
Strings
Statistics
Data
6 kyu
Add commas to a number
16
16
4
84%
of
67
168
tdowek1
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Beta
Superb resource access control configuration
1
1
0
0%
of
1
2
surtich
Algorithms
Recursion
Computability Theory
Theoretical Computer Science
7 kyu
The Poet And The Pendulum
6
6
2
77%
of
32
97
MrZizoScream
Fundamentals
Numbers
Basic Language Features
Arrays
Dynamic Arrays
Functional Programming
Declarative Programming
Vectors
Algorithms
Performance
6 kyu
Create Four Letter Birding Codes from Bird Names
9
9
2
90%
of
105
356
rt-hawk
Fundamentals
Arrays
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
7 kyu
Greatest common divisor
66
66
14
89%
of
177
1,768
RVdeKoning
Algorithms
Optimization
Fundamentals
Recursion
Computability Theory
Theoretical Computer Science
5 kyu
Equivalent Dice
11
11
2
97%
of
15
36
raulbc777
1 Issue Reported
Fundamentals
Algorithms
Performance
Numbers
Arithmetic
Mathematics
Recursion
Computability Theory
Theoretical Computer Science
6 kyu
Process Waterfowl Survey Data Results
8
8
5
84%
of
37
99
rt-hawk
Fundamentals
Arrays
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
7 kyu
Valid number to 2 decimal places
5
5
1
96%
of
50
140
JMurphyWeb
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
6 kyu
L3375p34k
22
22
1
92%
of
76
347
Hybris95
1 Issue Reported
Fundamentals
Object-oriented Programming
Strings
Arrays
Regular Expressions
Declarative Programming
Advanced Language Features
6 kyu
Tracking Sums in a Process
11
11
3
89%
of
27
94
raulbc777
Fundamentals
Data Structures
Algorithms
Control Flow
Basic Language Features
Mathematics
Numbers
Optimization
Declarative Programming
Sorting
Puzzles
Games
6 kyu
Count the smiley faces!
319
319
93
89%
of
2,109
14,004
St3f4n
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Beta
Lowest Squarefree Multiple of an Integer
1
1
0
100%
of
2
7
raulbc777
1 Issue Reported
Fundamentals
Algorithms
Performance
Numbers
Arithmetic
Mathematics
Recursion
Computability Theory
Theoretical Computer Science
7 kyu
The old switcheroo
65
65
10
92%
of
236
2,423
joh_pot
Fundamentals
Strings
Regular Expressions
Declarative Programming
Advanced Language Features
6 kyu
Filtering Values For an Election
9
9
1
90%
of
15
31
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Algorithms
Numbers
Statistics
Data
Declarative Programming
Recursion
Computability Theory
Theoretical Computer Science
6 kyu
Iterate function
6
6
5
94%
of
17
40
phaul
Fundamentals
Functional Programming
Declarative Programming
Advanced Language Features
5 kyu
Generate Numbers From Digits #2
1
1
0
90%
of
10
19
raulbc777
Algorithms
Fundamentals
Control Flow
Basic Language Features
Strings
Data Structures
Declarative Programming
Mathematics
Numbers
Arithmetic
Optimization
Permutations
6 kyu
Geometric Mean II
2
2
2
86%
of
11
24
raulbc777
Fundamentals
Data Structures
Algorithms
Control Flow
Basic Language Features
Mathematics
Numbers
Optimization
Declarative Programming
Strings
Beta
Train your skills in writing/reading from files while using classes
1
1
0
100%
of
2
5
marh
Fundamentals
Classes
Basic Language Features
Object-oriented Programming
Functions
Control Flow
Dynamic Arrays
Arrays
Functional Programming
Declarative Programming
Vectors
2 kyu
Count them all!
5
5
3
95%
of
10
19
pier-bezuhoff
Fundamentals
Functional Programming
Declarative Programming
Mathematics
Algorithms
Numbers
6 kyu
Conic Classification
1
1
0
69%
of
13
27
raulbc777
Fundamentals
Control Flow
Basic Language Features
Data Structures
Mathematics
Algorithms
Numbers
Geometry
Algebra
Declarative Programming
Linear Algebra
3 kyu
Papers, Please
117
117
24
91%
of
34
66
docgunthrop
Fundamentals
Object-oriented Programming
Games
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
5 kyu
String incrementer
400
400
77
91%
of
978
5,644
parceval
2 Issues Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Parsing
Algorithms
6 kyu
Convert string to camel case
400
400
98
87%
of
2,552
21,333
jhoffner
12 Issues Reported
Algorithms
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
Loading...
Confirm