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8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
Algorithms
57
Arrays
7
Ciphers
6
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2
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4
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2
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1
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14
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1
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6
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1
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6
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1
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1
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2
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2
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1
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1
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3
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1
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7
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3
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1
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1
Strings
57
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
57 Kata Found
8 kyu
Reversed Words
89,675
jhoffner
2 Issues Reported
Strings
Algorithms
7 kyu
Multiply Word in String
5,012
ArmandLluka
1 Issue Reported
Strings
Algorithms
Fundamentals
Arrays
6 kyu
Playing with passphrases
12,105
g964
4 Issues Reported
Strings
Algorithms
6 kyu
Hidden "Cubic" numbers
3,294
g964
3 Issues Reported
Algorithms
Strings
4 kyu
Vigenère Cipher Helper
9,057
jacobb
6 Issues Reported
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
Split Strings
170,591
jhoffner
Regular Expressions
Strings
Algorithms
5 kyu
First non-repeating character
75,212
OverZealous
4 Issues Reported
Strings
Algorithms
6 kyu
Generating Numbers From Digits #1
374
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
Human readable duration format
87,736
davazp
5 Issues Reported
Strings
Date Time
Algorithms
6 kyu
Convert string to camel case
208,236
jhoffner
20 Issues Reported
Regular Expressions
Algorithms
Strings
6 kyu
Moves in squared strings (IV)
1,626
g964
1 Issue Reported
Algorithms
Strings
7 kyu
Coloured Triangles
11,311
Avanta
Logic
Strings
Algorithms
4 kyu
Next smaller number with the same digits
11,999
LesRamer
1 Issue Reported
Strings
Mathematics
Algorithms
6 kyu
Moves in squared strings (III)
3,187
g964
2 Issues Reported
Algorithms
Strings
6 kyu
String array duplicates
8,557
KenKamau
1 Issue Reported
Strings
Arrays
Algorithms
5 kyu
ROT13
29,380
hvaara
Strings
Ciphers
Regular Expressions
Algorithms
4 kyu
So Many Permutations!
50,373
BattleRattle
1 Issue Reported
Permutations
Strings
Algorithms
6 kyu
Moves in squared strings (II)
5,083
g964
Algorithms
Strings
7 kyu
Moves in squared strings (I)
14,258
g964
Fundamentals
Algorithms
Strings
5 kyu
Longest Common Subsequence
6,954
xDranik
11 Issues Reported
Strings
Algorithms
6 kyu
Typing series #1 --> the [backspace] function
428
goldenratio161
Algorithms
Strings
5 kyu
String -> N iterations -> String
812
Jomopipi
1 Issue Reported
Strings
Algorithms
Puzzles
6 kyu
Millipede of words
909
RealSup
Algorithms
Arrays
Strings
5 kyu
Histogram - V1
1,010
dinglemouse
1 Issue Reported
Strings
Algorithms
5 kyu
Bananas
1,101
dinglemouse
Strings
Algorithms
5 kyu
Is the King in check ?
1,480
trashy_incel
Games
Arrays
Strings
Algorithms
Beta
MAQE Challenge -- MAQE Bot -- Part 1
7
ahmadSaeedGoda
Status:
Testing & feedback needed
Estimated Rank:
5 kyu
Fundamentals
Algorithms
Logic
Logic Programming
Object-oriented Programming
Parsing
Simulation
Strings
2 kyu
Regular Expression - Check if divisible by 0b111 (7)
2,293
Hacker Sakana
Puzzles
Regular Expressions
Strings
Algorithms
6 kyu
Dead Ants
2,465
dinglemouse
Algorithms
Strings
Puzzles
6 kyu
Parse HTML/CSS Colors
2,793
junthecoder
2 Issues Reported
Fundamentals
Algorithms
Strings
Parsing
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