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Ad
6 kyu
If you can read this...
12,104henryhamon
Fundamentals
6 kyu
Give me a Diamond
36,414jayeshcp
Strings
ASCII Art
Fundamentals
6 kyu
Array.diff
283,171marcinbunsch
Arrays
Fundamentals
Algorithms
6 kyu
Convert ISBN-10 to ISBN-13
1,094dienesviktor
Algorithms
Regular Expressions
Fundamentals
Strings
6 kyu
Matrix Transpose
7,617osuushi
Mathematics
Algebra
Matrix
Algorithms
6 kyu
Tribonacci Sequence
153,364GiacomoSorbi
Number Theory
Arrays
Lists
Fundamentals
6 kyu
Fibonacci, Tribonacci and friends
13,206GiacomoSorbi
Arrays
Lists
Number Theory
Fundamentals
6 kyu
IP Validation
41,599wink
Regular Expressions
Algorithms
6 kyu
IP Address to Number
1,986user5854572
Strings
Binary
Networks
Fundamentals
6 kyu
What century is it?
10,797user1511460
Strings
Algorithms
Date Time
6 kyu
Arabian String
2,562dacoxall
Strings
Algorithms
6 kyu
Calculate String Rotation
7,289obnounce
Strings
Arrays
Algorithms
5 kyu
ROT13
25,837hvaara
Strings
Ciphers
Regular Expressions
Algorithms
5 kyu
RGB To Hex Conversion
132,153jhoffner
Algorithms
6 kyu
Odd-heavy Array
2,317aweleshetu
Arrays
Fundamentals
5 kyu
Count IP Addresses
28,208xDranik
Algorithms
5 kyu
ISBN-10 Validation
10,391nklein
Regular Expressions
Algorithms
5 kyu
Ant Bridge
528dinglemouse
Algorithms
4 kyu
Strip Comments
52,252jhoffner
Strings
Algorithms
5 kyu
Beeramid
17,615kylehill
Mathematics
Algorithms
7 kyu
Sum of a sequence
48,227fyvfyv
Fundamentals
Algorithms
Mathematics
6 kyu
Calculate Pyramid Height
1,634ecocode
Logic
Mathematics
Puzzles
Fundamentals
7 kyu
Exes and Ohs
251,182joh_pot
Fundamentals
7 kyu
Hex Hash Sum
2,058Hoff Starr
Mathematics
Security
Fundamentals
6 kyu
More Zeros than Ones
3,490crimbus
Fundamentals
7 kyu
Shortest Word
239,603PG1
Fundamentals
7 kyu
Compress sentences
1,262mikeos
Lists
Algorithms
7 kyu
How Many Unique Consonants?
3,182l-suzuki
Strings
Fundamentals
Algorithms
6 kyu
Remove the parentheses
6,771topping
Strings
Algorithms
Regular Expressions
Fundamentals
6 kyu
Highest Scoring Word
99,419PG1
Fundamentals
Strings
Arrays
7 kyu
How Green Is My Valley?
5,187g964
Fundamentals
7 kyu
Count consonants
8,084bitfragment
Strings
Fundamentals
7 kyu
Binary Addition
177,219garrettguy457
Binary
Fundamentals
6 kyu
Tortoise racing
31,766g964
Fundamentals
Mathematics
Algorithms
7 kyu
Interlocking Binary Pairs
2,446rowcased
Binary
Bits
Algorithms
8 kyu
Reversed Words
85,230jhoffner
Strings
Algorithms
6 kyu
Lottery Ticket
13,194PG1
Fundamentals
Strings
Arrays
7 kyu
Square Every Digit
312,722MysteriousMagenta
Mathematics
Fundamentals
6 kyu
Unique In Order
183,687pinelopi
Algorithms
Fundamentals
7 kyu
Sum of Cubes
21,397MementoMori
Fundamentals
Retired
Truncate a string! (retired)
1,193iamchingel
Strings
Fundamentals
7 kyu
Set Reducer
2,103Endre-Kodehode
Recursion
Algorithms
Logic
Arrays
7 kyu
Snail crawls up
4,539petrosernivka
Fundamentals
Mathematics
6 kyu
Perfect Square.
1,062smolen
Regular Expressions
Fundamentals
6 kyu
Two Sum
81,248wthit56
Arrays
Fundamentals
Algorithms
7 kyu
Sum of integers in string
10,672kingcobra
Fundamentals
6 kyu
Rectangle into Squares
32,433g964
Fundamentals
Geometry
Puzzles
7 kyu
Largest Elements
11,983xcthulhu
Arrays
Fundamentals
7 kyu
Pair Zeros
2,019Nianpeng
Algorithms
Arrays
Fundamentals
Functional Programming
7 kyu
Number Of Occurrences
12,761madmed88
Arrays
Fundamentals
7 kyu
Debug Sum of Digits of a Number
9,767Fosna
Debugging
Fundamentals
8 kyu
Even or Odd
524,693suuuzi
Mathematics
Fundamentals
8 kyu
Find Nearest square number
23,774riyakayal
Fundamentals
Mathematics
8 kyu
Add Length
33,920debri
Arrays
Lists
Fundamentals
5 kyu
US Postal Codes
308anter69
Algorithms
Restricted
6 kyu
Convert string to camel case
191,066jhoffner
Regular Expressions
Algorithms
Strings
6 kyu
Triangle of Multiples (Easy One)
660raulbc777
Mathematics
Data Structures
Fundamentals
8 kyu
Quarter of the year
116,291Orses
Fundamentals
Mathematics
8 kyu
Century From Year
203,291MrZizoScream
Fundamentals
Mathematics
8 kyu
Square(n) Sum
280,932jhoffner
Arrays
Lists
Fundamentals
7 kyu
Covfefe
5,813AzariasB
Strings
5 kyu
Rot13
91,358Rubikan
Ciphers
Fundamentals
8 kyu
All Star Code Challenge #18
73,238shaddyjr
Fundamentals
Strings
7 kyu
Frequency sequence
4,816bitfragment
Strings
Fundamentals
8 kyu
Remove exclamation marks
113,964wichu
Fundamentals
Strings
8 kyu
Return Negative
343,196Deantwo
Fundamentals
7 kyu
Printer Errors
154,981g964
Fundamentals
6 kyu
CamelCase Method
45,152bestwebua
Fundamentals
Algorithms
Strings
7 kyu
21 Sticks
2,102user2514386
Games
Algorithms
Mathematics
Game Solvers
7 kyu
Vowel one
10,968user6029333
Fundamentals
Strings
8 kyu
Counting sheep...
259,474tfKamran
Arrays
Fundamentals
7 kyu
Ch4113ng3
3,416phju
Strings
Fundamentals
7 kyu
Barbell weight
388bdupau
Strings
Mathematics
5 kyu
Moving Zeros To The End
178,570xcthulhu
Arrays
Sorting
Algorithms
7 kyu
Jenny the youngest detective
2,208veredrec
Strings
Arrays
Algorithms
Fundamentals
5 kyu
Simple Pig Latin
162,317user2505876
Regular Expressions
Algorithms
7 kyu
Ones and Zeros
145,466user4386369
Fundamentals
Arrays
6 kyu
Banker's Plan
4,751g964
Mathematics
Algorithms
6 kyu
Basic Encryption
3,231Tandyman
Mathematics
Strings
Ciphers
8 kyu
Power
11,572hokon86
Restricted
6 kyu
IPv4 to int32
10,675sahglie
Networks
Algorithms
Bits
Binary
Fundamentals
7 kyu
Powers of i
6,544emaclean
Mathematics
Fundamentals
5 kyu
Mean Square Error
19,724kylehill
Arrays
Mathematics
Algorithms
6 kyu
Optimal Taxi Fare
630Lauriy
Mathematics
Algebra
Puzzles
6 kyu
Encrypt this!
22,523suic
Fundamentals
Strings
Regular Expressions
Arrays
Ciphers
Algorithms
Cryptography
Security
7 kyu
Categorize New Member
165,502Brynx
Fundamentals
8 kyu
Grasshopper - Summation
263,581danleavitt0
Fundamentals
Mathematics
8 kyu
Pythagorean Triple
16,791elexie
Algebra
Mathematics
Fundamentals
7 kyu
Remove the minimum
81,851bkaes
Lists
Arrays
Fundamentals
7 kyu
Valid Parentheses
8,257Kacarott
Strings
Parsing
Algorithms
6 kyu
+1 Array
12,002khelmar
Fundamentals
Arrays
Algorithms
5 kyu
Scramblies
54,806joh_pot
Strings
Performance
Algorithms