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Ad
6 kyu
If you can read this...
12,133henryhamon
Fundamentals
6 kyu
Give me a Diamond
36,656jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Array.diff
284,653marcinbunsch
Arrays
Fundamentals
Algorithms
6 kyu
Convert ISBN-10 to ISBN-13
1,097dienesviktor
Algorithms
Regular Expressions
Fundamentals
Strings
6 kyu
Matrix Transpose
7,679osuushi
Mathematics
Algebra
Matrix
Algorithms
6 kyu
Tribonacci Sequence
154,055GiacomoSorbi
Number Theory
Arrays
Lists
Fundamentals
6 kyu
Fibonacci, Tribonacci and friends
13,246GiacomoSorbi
Arrays
Lists
Number Theory
Fundamentals
6 kyu
IP Validation
41,814wink
Regular Expressions
Algorithms
6 kyu
IP Address to Number
1,990user5854572
Strings
Binary
Networks
Fundamentals
6 kyu
What century is it?
10,832user1511460
Strings
Algorithms
Date Time
6 kyu
Arabian String
2,565dacoxall
Strings
Algorithms
6 kyu
Calculate String Rotation
7,300obnounce
Strings
Arrays
Algorithms
5 kyu
ROT13
26,075hvaara
Strings
Ciphers
Regular Expressions
Algorithms
5 kyu
RGB To Hex Conversion
132,956jhoffner
Algorithms
6 kyu
Odd-heavy Array
2,321aweleshetu
Arrays
Fundamentals
5 kyu
Count IP Addresses
28,423xDranik
Algorithms
5 kyu
ISBN-10 Validation
10,487nklein
Regular Expressions
Algorithms
5 kyu
Ant Bridge
529dinglemouse
Algorithms
4 kyu
Strip Comments
52,564jhoffner
Strings
Algorithms
5 kyu
Beeramid
17,756kylehill
Mathematics
Algorithms
7 kyu
Sum of a sequence
48,591fyvfyv
Fundamentals
Algorithms
Mathematics
6 kyu
Calculate Pyramid Height
1,638ecocode
Logic
Mathematics
Puzzles
Fundamentals
7 kyu
Exes and Ohs
252,456joh_pot
Fundamentals
7 kyu
Hex Hash Sum
2,076Hoff Starr
Mathematics
Security
Fundamentals
6 kyu
More Zeros than Ones
3,502crimbus
Fundamentals
7 kyu
Shortest Word
240,907PG1
Fundamentals
7 kyu
Compress sentences
1,265mikeos
Lists
Algorithms
7 kyu
How Many Unique Consonants?
3,191l-suzuki
Strings
Fundamentals
Algorithms
6 kyu
Remove the parentheses
6,798topping
Strings
Algorithms
Regular Expressions
Fundamentals
6 kyu
Highest Scoring Word
100,006PG1
Fundamentals
Strings
Arrays
7 kyu
How Green Is My Valley?
5,200g964
Fundamentals
7 kyu
Count consonants
8,105bitfragment
Strings
Fundamentals
7 kyu
Binary Addition
178,269garrettguy457
Binary
Fundamentals
6 kyu
Tortoise racing
31,829g964
Fundamentals
Mathematics
Algorithms
7 kyu
Interlocking Binary Pairs
2,461rowcased
Binary
Bits
Algorithms
8 kyu
Reversed Words
86,063jhoffner
Strings
Algorithms
6 kyu
Lottery Ticket
13,233PG1
Fundamentals
Strings
Arrays
7 kyu
Square Every Digit
314,324MysteriousMagenta
Mathematics
Fundamentals
6 kyu
Unique In Order
184,534pinelopi
Algorithms
Fundamentals
7 kyu
Sum of Cubes
21,485MementoMori
Fundamentals
Retired
Truncate a string! (retired)
1,193iamchingel
Strings
Fundamentals
7 kyu
Set Reducer
2,110Endre-Kodehode
Recursion
Algorithms
Logic
Arrays
7 kyu
Snail crawls up
4,554petrosernivka
Fundamentals
Mathematics
6 kyu
Perfect Square.
1,069smolen
Regular Expressions
Fundamentals
6 kyu
Two Sum
82,004wthit56
Arrays
Fundamentals
Algorithms
7 kyu
Sum of integers in string
10,726kingcobra
Fundamentals
6 kyu
Rectangle into Squares
32,502g964
Fundamentals
Geometry
Puzzles
7 kyu
Largest Elements
12,021xcthulhu
Arrays
Fundamentals
7 kyu
Pair Zeros
2,021Nianpeng
Algorithms
Arrays
Fundamentals
Functional Programming
7 kyu
Number Of Occurrences
12,785madmed88
Arrays
Fundamentals
7 kyu
Debug Sum of Digits of a Number
9,802Fosna
Debugging
Fundamentals
8 kyu
Even or Odd
527,696suuuzi
Mathematics
Fundamentals
8 kyu
Find Nearest square number
23,874riyakayal
Fundamentals
Mathematics
8 kyu
Add Length
34,086debri
Arrays
Lists
Fundamentals
5 kyu
US Postal Codes
308anter69
Algorithms
Restricted
6 kyu
Convert string to camel case
192,205jhoffner
Regular Expressions
Algorithms
Strings
6 kyu
Triangle of Multiples (Easy One)
663raulbc777
Mathematics
Data Structures
Fundamentals
8 kyu
Quarter of the year
117,021Orses
Fundamentals
Mathematics
8 kyu
Century From Year
204,608MrZizoScream
Fundamentals
Mathematics
8 kyu
Square(n) Sum
282,966jhoffner
Arrays
Lists
Fundamentals
7 kyu
Covfefe
5,823AzariasB
Strings
5 kyu
Rot13
91,887Rubikan
Ciphers
Fundamentals
8 kyu
All Star Code Challenge #18
73,758shaddyjr
Fundamentals
Strings
7 kyu
Frequency sequence
4,833bitfragment
Strings
Fundamentals
8 kyu
Remove exclamation marks
114,863wichu
Fundamentals
Strings
8 kyu
Return Negative
345,475Deantwo
Fundamentals
7 kyu
Printer Errors
155,716g964
Fundamentals
6 kyu
CamelCase Method
45,658bestwebua
Fundamentals
Algorithms
Strings
7 kyu
21 Sticks
2,106user2514386
Games
Algorithms
Mathematics
Game Solvers
7 kyu
Vowel one
10,982user6029333
Fundamentals
Strings
8 kyu
Counting sheep...
261,104tfKamran
Arrays
Fundamentals
7 kyu
Ch4113ng3
3,431phju
Strings
Fundamentals
7 kyu
Barbell weight
390bdupau
Strings
Mathematics
5 kyu
Moving Zeros To The End
179,771xcthulhu
Arrays
Sorting
Algorithms
7 kyu
Jenny the youngest detective
2,217veredrec
Strings
Arrays
Algorithms
Fundamentals
5 kyu
Simple Pig Latin
163,164user2505876
Regular Expressions
Algorithms
7 kyu
Ones and Zeros
146,353user4386369
Fundamentals
Arrays
6 kyu
Banker's Plan
4,758g964
Mathematics
Algorithms
6 kyu
Basic Encryption
3,237Tandyman
Mathematics
Strings
Ciphers
8 kyu
Power
11,632hokon86
Restricted
6 kyu
IPv4 to int32
10,694sahglie
Networks
Algorithms
Bits
Binary
Fundamentals
7 kyu
Powers of i
6,590emaclean
Mathematics
Fundamentals
5 kyu
Mean Square Error
20,020kylehill
Arrays
Mathematics
Algorithms
6 kyu
Optimal Taxi Fare
632Lauriy
Mathematics
Algebra
Puzzles
6 kyu
Encrypt this!
22,602suic
Fundamentals
Strings
Regular Expressions
Arrays
Ciphers
Algorithms
Cryptography
Security
7 kyu
Categorize New Member
166,498Brynx
Fundamentals
8 kyu
Grasshopper - Summation
265,234danleavitt0
Fundamentals
Mathematics
8 kyu
Pythagorean Triple
16,907elexie
Algebra
Mathematics
Fundamentals
7 kyu
Remove the minimum
82,379bkaes
Lists
Arrays
Fundamentals
7 kyu
Valid Parentheses
8,315Kacarott
Strings
Parsing
Algorithms
6 kyu
+1 Array
12,054khelmar
Fundamentals
Arrays
Algorithms
5 kyu
Scramblies
55,164joh_pot
Strings
Performance
Algorithms