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 (4980)
Algorithms (3904)
Data Types (2965)
Logic (2787)
Numbers (1602)
Puzzles (1422)
Strings (1403)
Mathematics (1251)
Arrays (1245)
Games (1162)
Basic Language Features (1020)
Programming Paradigms (964)
Control Flow (702)
Data Structures (700)
Declarative Programming (582)
Advanced Language Features (414)
Regular Expressions (314)
Object-oriented Programming (306)
Functions (272)
Lists (243)
Arithmetic (211)
Functional Programming (198)
Loops (197)
Objects (181)
Algebra (173)
Bugs (153)
Theoretical Computer Science (153)
Data (143)
Security (143)
Performance (139)
Computability Theory (137)
Recursion (137)
Parsing (132)
Binary (121)
Sorting (121)
Integers (120)
Classes (115)
Optimization (115)
Dates/Time (114)
Geometry (112)
Cryptography (110)
Graphs (106)
Utilities (102)
Databases (87)
Information Systems (87)
SQL (85)
Design Principles (83)
Design Patterns (78)
Sequences (74)
Refactoring (65)
8247 Kata Found
8 kyu
Student's Final Grade
22
22
9
86%
of
433
2,680
ledocod
1 Issue Reported
Fundamentals
Beta
LCM Cardinality
0
0
0
100%
of
1
2
DarkD1
Fundamentals
Numbers
6 kyu
Rectangle into Squares
450
450
101
89%
of
1,492
9,291
g964
Puzzles
Fundamentals
Geometry
Algebra
Mathematics
Algorithms
6 kyu
Strange roman numbers
5
5
1
83%
of
6
10
KenKamau
Fundamentals
5 kyu
Is my friend cheating?
638
638
97
89%
of
808
4,745
g964
Puzzles
Fundamentals
Numbers
Mathematics
Algorithms
6 kyu
Read the time
5
5
2
92%
of
12
29
KenKamau
Fundamentals
6 kyu
Body mass index calculation
6
6
1
68%
of
36
75
veitsi
3 Issues Reported
Fundamentals
Beta
How many arguments
1
1
0
75%
of
8
13
iozoo
Fundamentals
6 kyu
Buying a car
352
352
46
69%
of
896
4,416
g964
Fundamentals
Mathematics
Algorithms
Numbers
5 kyu
Perimeter of squares in a rectangle
327
327
49
84%
of
988
8,071
g964
1 Issue Reported
Algorithms
Mathematics
Numbers
5 kyu
Going to zero or to infinity?
283
283
29
84%
of
324
2,026
g964
Algorithms
Mathematics
Numbers
6 kyu
How Much?
143
143
16
77%
of
455
2,363
g964
Fundamentals
6 kyu
Simple Fun #23: Square Digits Sequence
19
19
10
97%
of
140
461
myjinxin2015
Puzzles
Games
7 kyu
Tails of the High Seas
3
3
0
100%
of
10
25
scottdemeo
Fundamentals
Objects
Properties
Basic Language Features
Object-oriented Programming
6 kyu
Number of anagrams in an array of words
7
7
3
88%
of
63
394
Raulvv
Algorithms
7 kyu
1st day of month that are Sunday in a year range
3
3
0
87%
of
23
187
Raulvv
Algorithms
Dates/Time
7 kyu
Find the calculation type
3
3
1
85%
of
84
287
ridokai
Fundamentals
7 kyu
Price VAT Calculator
10
10
1
93%
of
81
341
stefan1
Fundamentals
4 kyu
Connect Four
115
115
18
91%
of
117
434
aryan-firouzian
1 Issue Reported
Fundamentals
3 kyu
Battleship field validator II
23
23
6
97%
of
18
46
zoyanhui
Algorithms
Puzzles
Games
Validation
6 kyu
Grayscale ASCII-art
4
4
5
82%
of
17
26
larshb
Algorithms
ASCII
Character Encodings
Formats
Bitmaps
Maps
Data Structures
Beta
Sum and Count All Odds vs Evens
0
0
0
30%
of
5
8
Ndumiso
4 Issues Reported
Fundamentals
Arrays
Numbers
6 kyu
Color Choice
107
107
15
86%
of
160
883
g964
Fundamentals
5 kyu
Integers: Recreation One
642
642
92
88%
of
1,068
6,680
g964
Fundamentals
Algorithms
Optimization
8 kyu
Do you speak "English"?
9
9
4
92%
of
271
1,391
tyeung2017
Fundamentals
Loops
Control Flow
Basic Language Features
Beta
Arthur's Wallpaper
0
0
0
0%
of
1
3
blu.knite
1 Issue Reported
Puzzles
6 kyu
Create a frame!
9
9
2
91%
of
66
181
gabrielsiedler
Fundamentals
Strings
Arrays
Beta
The Goobles Challenge - Part 1
0
0
0
33%
of
3
6
remonvv
1 Issue Reported
Puzzles
Games
Algorithms
6 kyu
Tank Truck
211
211
27
84%
of
353
1,642
g964
Fundamentals
Mathematics
Algorithms
Numbers
6 kyu
CamelCase Method
111
111
40
86%
of
1,353
8,127
bestwebua
Algorithms
Fundamentals
Strings
Loading...
Confirm