Kata Library
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
Algorithms
17
Data Structures
20
Fundamentals
15
Linked Lists
32
Lists
2
Performance
2
Puzzles
1
Queues
1
Recursion
3
Sorting
2
Stacks
1
Tutorials
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
32 Kata Found
6 kyu
Parse a linked list from a string
2,495
donaldsebleung
1 Issue Reported
Linked Lists
Recursion
Algorithms
7 kyu
Linked Lists - Push & BuildOneTwoThree
6,461
JDeBolt
2 Issues Reported
Linked Lists
Fundamentals
6 kyu
Linked Lists - Length & Count
10,455
JDeBolt
3 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
K-Reverse a single linked list
55
onCC
Linked Lists
Algorithms
6 kyu
Linked Lists - Insert Nth Node
2,841
JDeBolt
4 Issues Reported
Linked Lists
Data Structures
Fundamentals
7 kyu
Linked Lists - Get Nth Node
5,981
JDeBolt
5 Issues Reported
Linked Lists
Data Structures
Fundamentals
7 kyu
Convert a linked list to a string
8,874
donaldsebleung
Linked Lists
Recursion
Algorithms
5 kyu
Can you get the loop ?
29,644
Devouring
11 Issues Reported
Algorithms
Linked Lists
Performance
5 kyu
Swap Node Pairs In Linked List
972
natehart
Algorithms
Data Structures
Linked Lists
6 kyu
Node Mania
1,226
marcsantiago
Linked Lists
Algorithms
Data Structures
6 kyu
Linked Lists - Remove Duplicates
2,375
JDeBolt
Linked Lists
Data Structures
Fundamentals
4 kyu
Simple Memory Manager
714
SteveRuble
4 Issues Reported
Linked Lists
Data Structures
Algorithms
Beta
Linked Lists - Merge K Sorted Lists
11
Gauntlet9868
1 Issue Reported
Status:
Testing & feedback needed
Estimated Rank:
5 kyu
Algorithms
Linked Lists
7 kyu
Computer Science 101 - #2 Queues
254
donaldsebleung
Linked Lists
Queues
Performance
Fundamentals
Tutorials
7 kyu
Computer Science 101 - #1 Stacks
366
donaldsebleung
1 Issue Reported
Stacks
Linked Lists
Fundamentals
Tutorials
5 kyu
Report total allocated memory II
229
lilsweetcaligula
Linked Lists
5 kyu
How many Wagons Are in the Train?
116
sgerodes
Algorithms
Puzzles
Lists
Linked Lists
7 kyu
Linked Lists - Append
3,154
JDeBolt
4 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
Linked Lists - Sorted Insert
2,553
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
Singly Linked List - Swap Nodes
119
cyril-lemaire
Linked Lists
Fundamentals
Algorithms
7 kyu
Find the K-th last element of a singly linked list
432
SergiuB
Linked Lists
Lists
Data Structures
Fundamentals
5 kyu
Linked Lists - Alternating Split
1,661
JDeBolt
3 Issues Reported
Data Structures
Linked Lists
Fundamentals
6 kyu
Linked Lists - Recursive Reverse
1,036
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Linked Lists - Iterative Reverse
587
JDeBolt
5 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Linked Lists - Sorted Intersect
541
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Linked Lists - Merge Sort
482
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Algorithms
Sorting
Recursion
6 kyu
Linked Lists - Sorted Merge
750
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Linked Lists - Shuffle Merge
720
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Algorithms
5 kyu
Linked Lists - Front Back Split
882
JDeBolt
4 Issues Reported
Linked Lists
Data Structures
Fundamentals
7 kyu
Linked Lists - Move Node
1,908
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Fundamentals
Loading...
Confirm
Collect:
undefined
Loading collection data...