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)
5715 Kata Found
7 kyu
Breaking chocolate problem
228
228
29
81%
of
2,400
22,230
krikus
Algorithms
Numbers
8 kyu
Beginner - Lost Without a Map
192
192
72
89%
of
2,699
22,081
A.Partridge
1 Issue Reported
Fundamentals
Arrays
Numbers
6 kyu
Pairs of Bears
22
22
5
91%
of
115
496
A.Partridge
Fundamentals
Strings
Numbers
Arrays
8 kyu
Remove String Spaces
287
287
116
88%
of
5,405
43,470
A.Partridge
Fundamentals
Strings
Arrays
8 kyu
Well of Ideas - Easy Version
85
85
29
91%
of
925
6,283
A.Partridge
Refactoring
Fundamentals
Arrays
Strings
7 kyu
Ski Jump
7
7
1
82%
of
91
415
A.Partridge
1 Issue Reported
Fundamentals
Strings
Arrays
Mathematics
Algorithms
Numbers
7 kyu
Divide and Conquer
6
6
1
91%
of
142
686
A.Partridge
1 Issue Reported
Fundamentals
Strings
Numbers
Arrays
8 kyu
Alan Partridge II - Apple Turnover
17
17
15
82%
of
565
3,321
A.Partridge
Fundamentals
Numbers
Strings
Mathematics
Algorithms
6 kyu
Row of the odd triangle
9
9
1
90%
of
88
330
shikyo
Algorithms
Performance
4 kyu
Five Fundamental Monads
66
66
21
94%
of
111
367
mpickering
Fundamentals
Monads
Data Structures
Functional Programming
6 kyu
The difference between 11 and 21 in Ping-Pong
1
1
1
92%
of
12
16
HDdo
Fundamentals
6 kyu
Strongest even number in an interval
9
9
1
88%
of
24
49
alexmate
Algorithms
Mathematics
Numbers
7 kyu
Hexadecimal Keys
5
5
0
89%
of
38
114
Dakota
Algorithms
3 kyu
The Millionth Fibonacci Kata
652
652
85
90%
of
562
3,630
xcthulhu
4 Issues Reported
Algorithms
Mathematics
Numbers
7 kyu
Ironman Triathlon
14
14
2
83%
of
99
498
A.Partridge
1 Issue Reported
Fundamentals
Numbers
Arrays
Objects
7 kyu
Sort by Last Char
46
46
11
90%
of
352
1,777
A.Partridge
Fundamentals
Strings
Arrays
Functions
Control Flow
Basic Language Features
8 kyu
Sum Mixed Array
92
92
43
91%
of
1,511
11,240
A.Partridge
Fundamentals
Strings
Numbers
Arrays
6 kyu
Counting Duplicates
1181
1181
227
89%
of
7,356
51,692
kgashok
3 Issues Reported
Fundamentals
Strings
7 kyu
Holiday II - Plane Seating
13
13
3
89%
of
84
351
A.Partridge
Fundamentals
Strings
Numbers
Arrays
8 kyu
Count the Monkeys!
192
192
68
89%
of
2,370
20,902
A.Partridge
1 Issue Reported
Algorithms
Arrays
Fundamentals
Ranges
Basic Language Features
Lists
Data Structures
8 kyu
The 'if' function
117
117
29
70%
of
858
8,856
user578387
3 Issues Reported
Fundamentals
Functional Programming
Declarative Programming
Higher-order Functions
Functions
Control Flow
Basic Language Features
7 kyu
Borrower Speak
11
11
3
90%
of
214
967
A.Partridge
Fundamentals
Strings
7 kyu
Double Sort
12
12
9
90%
of
272
1,179
A.Partridge
Fundamentals
Strings
Numbers
Arrays
8 kyu
Sum The Strings
35
35
15
90%
of
527
2,777
K-Calderon-ASC
Fundamentals
6 kyu
Lattice Point Interpolation
5
5
3
90%
of
5
11
abiessu
Algorithms
Numbers
Integers
Arrays
8 kyu
The Wide-Mouthed frog!
19
19
7
86%
of
607
3,610
nbeck
Fundamentals
Strings
5 kyu
Recipe DSL
5
5
0
89%
of
9
23
phaul
Fundamentals
Domain Specific Languages
Declarative Programming
6 kyu
Amidakuji
39
39
9
93%
of
78
285
docgunthrop
Fundamentals
Arrays
6 kyu
Vowels Back
32
32
5
84%
of
109
414
A.Partridge
1 Issue Reported
Algorithms
Fundamentals
Strings
Arrays
Loops
Control Flow
Basic Language Features
5 kyu
Decimal to Factorial and Back
186
186
38
91%
of
275
1,606
g964
Algorithms
Numbers
Utilities
Loading...
Confirm