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
Agda (Beta)
BF (Beta)
C
Clojure
CoffeeScript
Coq (Beta)
C++
Crystal
C#
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy (Beta)
Haskell
Idris (Beta)
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)
Racket (Beta)
Reason (Beta)
Ruby
Rust
Scala (Beta)
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
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 (4002)
Algorithms (2956)
Data Types (2424)
Logic (2147)
Numbers (1273)
Strings (1167)
Puzzles (1157)
Arrays (1011)
Games (977)
Mathematics (969)
Basic Language Features (838)
Programming Paradigms (791)
Data Structures (567)
Control Flow (551)
Declarative Programming (488)
Advanced Language Features (345)
Regular Expressions (263)
Object-oriented Programming (242)
Functions (210)
Lists (208)
Functional Programming (173)
Arithmetic (170)
Loops (167)
Objects (141)
Bugs (131)
Data (126)
Algebra (125)
Theoretical Computer Science (114)
Security (111)
Performance (110)
Sorting (105)
Parsing (103)
Computability Theory (100)
Recursion (100)
Binary (95)
Classes (95)
Integers (93)
Optimization (91)
Utilities (86)
Cryptography (85)
Geometry (85)
Databases (83)
Information Systems (83)
SQL (81)
Graphs (79)
Dates/Time (73)
Sequences (64)
Design Principles (61)
Design Patterns (59)
Formatting (51)
3252 Kata Found
7 kyu
Breaking chocolate problem
238
238
32
81%
of
2,501
23,045
krikus
Algorithms
Numbers
8 kyu
Beginner - Lost Without a Map
206
206
77
90%
of
2,899
23,578
A.Partridge
1 Issue Reported
Fundamentals
Arrays
Numbers
6 kyu
Pairs of Bears
32
32
4
92%
of
145
653
A.Partridge
Fundamentals
Strings
Numbers
Arrays
8 kyu
Remove String Spaces
296
296
118
89%
of
5,501
44,461
A.Partridge
Fundamentals
Strings
Arrays
8 kyu
Well of Ideas - Easy Version
95
95
29
91%
of
988
6,863
A.Partridge
Refactoring
Fundamentals
Arrays
Strings
7 kyu
Numbers to Letters
24
24
7
88%
of
187
759
A.Partridge
2 Issues Reported
Fundamentals
Strings
Numbers
Arrays
7 kyu
Ski Jump
12
12
4
83%
of
127
584
A.Partridge
1 Issue Reported
Fundamentals
Strings
Arrays
Mathematics
Algorithms
Numbers
7 kyu
Divide and Conquer
12
12
1
92%
of
180
932
A.Partridge
1 Issue Reported
Fundamentals
Strings
Numbers
Arrays
8 kyu
Alan Partridge II - Apple Turnover
21
21
15
82%
of
591
3,595
A.Partridge
Fundamentals
Numbers
Strings
Mathematics
Algorithms
4 kyu
Five Fundamental Monads
65
65
21
94%
of
114
371
mpickering
Fundamentals
Monads
Data Structures
Functional Programming
7 kyu
Ironman Triathlon
15
15
2
83%
of
106
556
A.Partridge
1 Issue Reported
Fundamentals
Numbers
Arrays
Objects
7 kyu
Sort by Last Char
48
48
11
90%
of
362
1,886
A.Partridge
Fundamentals
Strings
Arrays
Functions
Control Flow
Basic Language Features
8 kyu
Sum Mixed Array
98
98
43
91%
of
1,547
11,620
A.Partridge
Fundamentals
Strings
Numbers
Arrays
6 kyu
Counting Duplicates
1200
1200
227
89%
of
7,404
52,075
kgashok
3 Issues Reported
Fundamentals
Strings
7 kyu
Holiday II - Plane Seating
14
14
3
90%
of
95
399
A.Partridge
Fundamentals
Strings
Numbers
Arrays
8 kyu
Count the Monkeys!
196
196
69
89%
of
2,409
21,335
A.Partridge
1 Issue Reported
Algorithms
Arrays
Fundamentals
Ranges
Basic Language Features
Lists
Data Structures
8 kyu
The 'if' function
119
119
30
70%
of
876
9,017
user578387
3 Issues Reported
Fundamentals
Functional Programming
Declarative Programming
Higher-order Functions
Functions
Control Flow
Basic Language Features
7 kyu
Borrower Speak
14
14
4
91%
of
254
1,231
A.Partridge
Fundamentals
Strings
7 kyu
Pillow on the Fridge
2
2
2
80%
of
78
235
A.Partridge
Fundamentals
Strings
Arrays
7 kyu
Double Sort
13
13
9
90%
of
281
1,247
A.Partridge
Fundamentals
Strings
Numbers
Arrays
6 kyu
Lattice Point Interpolation
5
5
3
90%
of
5
12
abiessu
Algorithms
Numbers
Integers
Arrays
8 kyu
The Wide-Mouthed frog!
22
22
7
87%
of
628
3,793
nbeck
Fundamentals
Strings
5 kyu
Recipe DSL
5
5
0
89%
of
9
26
phaul
Fundamentals
Domain Specific Languages
Declarative Programming
6 kyu
Amidakuji
40
40
9
93%
of
81
299
docgunthrop
Fundamentals
Arrays
6 kyu
Vowels Back
32
32
6
84%
of
110
431
A.Partridge
1 Issue Reported
Algorithms
Fundamentals
Strings
Arrays
Loops
Control Flow
Basic Language Features
5 kyu
Decimal to Factorial and Back
191
191
40
91%
of
282
1,644
g964
Algorithms
Numbers
Utilities
6 kyu
Ease the StockBroker
135
135
25
75%
of
234
1,108
g964
Fundamentals
Strings
7 kyu
Sum of odd numbers
967
967
169
84%
of
5,319
38,227
hhelwich
Fundamentals
Arrays
Lists
Data Structures
Numbers
Arithmetic
Mathematics
Algorithms
6 kyu
Sort Arrays (Ignoring Case)
30
30
3
82%
of
257
3,984
ineiti
1 Issue Reported
Fundamentals
Arrays
Sorting
Algorithms
6 kyu
Taylor Series
6
6
3
88%
of
12
26
Paul Robertson
Fundamentals
Mathematics
Algorithms
Numbers
Lists
Data Structures
Loading...
Confirm