- Find the odd int
- Replace With Alphabet Position
- Multiples of 3 or 5
- Persistent Bugger.
- Counting Duplicates
- Stop gninnipS My sdroW!
- Take a Ten Minute Walk
- Dubstep
- Who likes it
- Your order, please
- IQTest
- Valid Braces
- Count the smiley faces!
- CamelCase Method
- VasyaClerk
- Bouncing Ball
- Hidden "Cubic" numbers
- Moduli number system
- Array.diff
- Highest Scoring Word
- Are they the "same"?
- Sum of Digits / Digital Root
- Decode the Morse code
- Bit Counting
- Build Tower
- Playing with digits
- Duplicate Encoder
- Create Phone Number
- Tribonacci Sequence
- Unique In Order
- Convert string to camel case
- Sort the odd
- Find the missing letter
- Consecutive strings
- Roman Numerals Encoder
- Does my number look big in this?
- Build a pile of Cubes
- Sums of Parts
- Write Number in Expanded Form
- Find the unique number
- Detect Pangram
- The Supermarket Queue
- Mexican Wave
- Which are in?
- Is a number prime?
- Split Strings
- Count characters in your string
- Rectangle into Squares
- Break camelCase
- Good vs Evil
- Make the Deadfish swim
- Delete occurrences of an element if it occurs more than n times
- Take a Number And Sum Its Digits Raised To The Consecutive Powers And ....¢®Eureka!!
- Roman Numerals Decoder
- IP Validation
- Help the bookseller !
- Find the missing term in an Arithmetic Progression
- Encrypt this!
- WeIrD StRiNg CaSe
- Tortoise racing
- Simple Encryption #1 - Alternating Split
- Give me a Diamond
- A Rule of Divisibility by 13
- Backspaces in string
- Data Reverse
- Fold an array
- Meeting
- Consonant value
- Reverse polish notation calculator
- Validate Credit Card Number
- Word a10n
- Maze Runner
- Pyramid Array
- Decipher this!
- Sum consecutives
- The Deaf Rats of Hamelin
- Equal Sides Of An Array
- Difference of 2
- Matrix Addition
- Two Sum
- Fibonacci, Tribonacci and friends
- +1 Array
- Rainfall
- Street Fighter 2 - Character Selection
- New Cashier Does Not Know About Space or Shift
- Pascal's Triangle
- Character with longest consecutive repetition
- String average
- Grouped by commas
- Arrh, grabscrab!
- extract file name
- English beggars
- Two Joggers
- Highest Rank Number in an Array
- String array duplicates
- N-th Fibonacci
- Playing with passphrases
- Backwards Read Primes
- Array Deep Count
- Title Case
- Multiplication table
- Triple trouble
- Statistics for an Athletic Association
- Steps in Primes
- Linked Lists - Length & Count
- Length of missing array
- Pair of gloves
- Number Zoo Patrol
- Twisted Sum
- Simple Fun #79: Delete a Digit
- Calculate String Rotation
- Numericals of a String
- Transform To Prime
- Row of the odd triangle
- Hamming Code
- Fruit Machine
- Find the Mine!
- What century is it?
- Alphabet war - airstrike - letters massacre
- Collatz
- Srot the inner ctonnet in dsnnieedcg oredr
- Christmas tree
- Sum The Tree
- Sequences and Series
- Sorting on planet Twisted-3-7
- Clock in Mirror
- Clocky Mc Clock-Face
- Triangle number check
- Message Validator
- Casino chips
- Most Frequent Weekdays
- Catalog
- Bingo Card
- Crack the PIN
- Shortest steps to a number
- Sort My Animals
- Remember
- Split and then add both sides of an array together
- Sorting by bits
- String Breakers
- Throwing Darts
- Are we alternate?
- Single character palindromes
- Easy Diagonal
- Simple Fun #135: Missing Alphabets
- N smallest elements in original order
- FIXME: Hello
- Number Format
- Return 1, 2, 3 randomly
- Reach Me and Sum my Digits
- Buying a car
- Round by 0.5 steps
- Hamming Distance
- Schrödinger's Boolean
- Assemble string
- Parabolic Arc Length
- The Book of Mormon
- Simple Fun #52: Pair Of Shoes
- Irreducible Sum of Rationals
- Handshake Problem
- Banker's Plan
- Reverse or rotate?
- Remove the parentheses
- Don't rely on luck.
- Basic Encryption
- Mutual Recursion
- Integer depth
- Reducing by steps
- Count the divisible numbers
- Sum of prime-indexed elements
- Calculate number of inversions in array
- Even Fibonacci Sum
- Mysterious function
- Dead Ants
- String tops
- String subpattern recognition I
- Basics 03: Strings, Numbers and Calculation
- The takeWhile Function
- Bowling Pins
- Color Choice
- Simple Fun #165: Withdraw
- Valid Phone Number
- Smallest Permutation
- Vowel Shifting
- Padovan numbers
- World Bits War
- Rank Vector
- Rotate Array
- Twin Prime
- Wave Sorting
- Pentabonacci
- Generic numeric template formatter
- Words to Hex
- Simple time difference
- Count the days
- Divisible Ints
- Loneliest character
- I love big nums and I cannot lie
- The Freeway Game
- Min Factor Distance
- Nth Order Summation
- Page replacement algorithms: LRU
- Death by Coffee
- Special Multiples
- Simple Fun #115: Factor Sum
- Strongest even number in an interval
- Simple Fun #54: Strings Crossover
- Compare powers
- Simple Fun #121: Mr.Odd
- CamelCase to underscore
- Range Collapse Representation
- Lucas numbers
- Dominant primes
- Missing Alphabet
- Quick (n choose k) calculator
- Cuckoo Clock
- Grill it!
- Modulus 11 - Check Digit
- Reducing by rules to get the result
- Save the Spice Harvester
- Odder than the rest
- Spelling Bee
- Delta Generators
- Sum of a Sequence
- Simple division
- Pell Numbers
- Raise Me to The Third Power, Search My Divisors
- Simple Fun #180: Repeat Adjacent
- Simple Fun #151: Rocks
- The latest clock
- Clever split
- Get Euchre Score
- Calculate the function f(x) for a simple linear sequence (Medium)
- Christmas Present Calculator
- pipi Numbers!
- Array Helpers
- Find The Duplicated Number in a Consecutive Unsorted List
- Custom Christmas Tree
- Clock Patience
- Directions Reduction
- Simple Pig Latin
- Primes in numbers
- Valid Parenthese
- Moving Zeros To The End
- Weight for weight
- Where my anagrams at?
- Human Readable Time
- Product of consecutive Fib numbers
- Rot13
- RGB To Hex Conversion
- Pick peaks
- Scramblies
- Greed is Good
- Double Cola
- Gap in Primes
- Did I Finish my Sudoku?
- Josephus Permutation
- Count IP Addresses
- Integers: Recreation One
- Is my friend cheating?
- First non-repeating character
- Simple assembler interpreter
- Factorial decomposition
- Simple fraction to mixed number converter
- The Clockwise Spiral
- Buddy Pairs