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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
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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
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57
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
57 Kata Found
8 kyu
Reversed Words
88,718
jhoffner
2 Issues Reported
Strings
Algorithms
7 kyu
Multiply Word in String
4,913
ArmandLluka
1 Issue Reported
Strings
Algorithms
Fundamentals
Arrays
6 kyu
Playing with passphrases
12,039
g964
4 Issues Reported
Strings
Algorithms
6 kyu
Hidden "Cubic" numbers
3,256
g964
3 Issues Reported
Algorithms
Strings
4 kyu
Vigenère Cipher Helper
8,944
jacobb
4 Issues Reported
Algorithms
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
Split Strings
168,696
jhoffner
Regular Expressions
Strings
Algorithms
5 kyu
First non-repeating character
74,441
OverZealous
4 Issues Reported
Strings
Algorithms
6 kyu
Generating Numbers From Digits #1
369
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
4 kyu
Human readable duration format
87,045
davazp
5 Issues Reported
Strings
Date Time
Algorithms
6 kyu
Convert string to camel case
205,779
jhoffner
20 Issues Reported
Regular Expressions
Algorithms
Strings
6 kyu
Moves in squared strings (IV)
1,619
g964
1 Issue Reported
Algorithms
Strings
7 kyu
Coloured Triangles
11,248
Avanta
Logic
Strings
Algorithms
4 kyu
Next smaller number with the same digits
11,907
LesRamer
1 Issue Reported
Strings
Mathematics
Algorithms
6 kyu
Moves in squared strings (III)
3,167
g964
2 Issues Reported
Algorithms
Strings
6 kyu
String array duplicates
8,497
KenKamau
1 Issue Reported
Strings
Arrays
Algorithms
5 kyu
ROT13
28,954
hvaara
Strings
Ciphers
Regular Expressions
Algorithms
4 kyu
So Many Permutations!
49,969
BattleRattle
1 Issue Reported
Permutations
Strings
Algorithms
6 kyu
Moves in squared strings (II)
5,058
g964
Algorithms
Strings
7 kyu
Moves in squared strings (I)
14,177
g964
Fundamentals
Algorithms
Strings
5 kyu
Longest Common Subsequence
6,938
xDranik
11 Issues Reported
Strings
Algorithms
6 kyu
Typing series #1 --> the [backspace] function
425
goldenratio161
Algorithms
Strings
5 kyu
String -> N iterations -> String
808
Jomopipi
1 Issue Reported
Strings
Algorithms
Puzzles
6 kyu
Millipede of words
906
RealSup
Algorithms
Arrays
Strings
5 kyu
Histogram - V1
1,007
dinglemouse
1 Issue Reported
Strings
Algorithms
5 kyu
Bananas
1,098
dinglemouse
Strings
Algorithms
5 kyu
Is the King in check ?
1,470
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)
2,275
Hacker Sakana
Puzzles
Regular Expressions
Strings
Algorithms
6 kyu
Dead Ants
2,460
dinglemouse
Algorithms
Strings
Puzzles
6 kyu
Parse HTML/CSS Colors
2,782
junthecoder
2 Issues Reported
Fundamentals
Algorithms
Strings
Parsing
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