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Basic Challenges
Number Reverse
Happy Numbers
Consonant Count
Codeland Username Validation
Equivalent Keypresses
Different Cases
FizzBuzz
String Changes
Group Totals
Moving Median
Star Rating
Command Line
Remove Brackets
Palindrome Swapper
String Periods
Serial Number
GCF
Element Merger
One Decremented
String Merge
Sum Multiplier
Find Intersection
Snake Case
Simple Evens
Camel Case
Questions Marks
Distinct Characters
Largest Four
Number Stream
Closest Enemy II
Vowel Square
Closest Enemy
Triangle Row
Time Difference
Alphabet Searching
Three Numbers
Scale Balancing
Correct Path
Three Sum
Palindrome Creator
Product Digits
Power Set Count
Bitwise Two
Two Sum
Nonrepeating Character
Largest Pair
Next Palindrome
Binary Reversal
Array Matching
Wave Sorting
Other Products
Bitwise One
Rectangle Area
Hamming Distance
Superincreasing
Overlapping Ranges
Changing Sequence
Off Line Minimum
Multiplicative Persistence
Additive Persistence
Powers of Two
Third Greatest
Number Addition
Swap Case
Dash Insert
Mean Mode
Counting Minutes I
Division Stringified
Second GreatLow
Letter Count I
Array Addition I
Arith Geo
Palindrome
Ex Oh
Word Count
Upper or Lower Case
Amplify the Multiples of Four
Index Multiplier
Four Passengers and a Driver
Lexicographically First and Last
Automorphic Numbers
Scrabble Hand
Nth Smallest Integer
Halve and Halve Again
Is One List a Subset of Another?
Check for Anagrams
True Ones, False Zeros
Bitwise Operations
Typing Game
Find the Mean of All Digits
Total Volume of All Boxes
Transform into a List with No Duplicates
Count Palindrome Numbers in a Range
Travelling Salesman Problem
Square Every Digit
Is the Number Symmetrical?
Purge and Organize
Is the Word an Isogram?
Secret Society
Simon Says
List Operation
Chat Room Status
Compound Interest
ATM PIN Code Validation
Card Counting (BlackJack)
Clone a List
Folding a Piece of Paper
Moving to the End
Repeating Letters
Recursion: Factorials
Characters in Shapes
Unpacking Lists
The Reverser!
Return the Index of All Capital Letters
Even Number Generator
Filter Strings from Array
Add the Index
Probabilities (Part 1)
Triangular Number Sequence
Find the Missing Number
Stand in Line
Filter out Strings from an Array
Hamming Distance
Find the Odd Integer
Xs and Os, Nobody Knows
Hiding the Card Number
Vowel Replacer
Correct Inequality Signs
Sum of Evenly Divisible Numbers from a Range
Find ASCII Charcode of Inverse Case Character
How Many Vowels?
Count Ones in Binary Representation of Integer
Pythagorean Triplet
War of Numbers
Is it Time for Milk and Cookies?
Default Mood
Return the Factorial
Calculating Damage
Basic Calculator
End Corona!
Sum of Resistance in Series Circuits
Curzon Numbers
Circle or Square
Radians to Degrees
Find the Discount
Stuttering Function
The Farm Problem
Less Than 100?
Return Something to Me!
Return the Remainder from Two Numbers
Maximum Edge of a Triangle
Convert Hours into Seconds
Convert Age to Days
Area of a Triangle
Sum of Cubes
Missing Third Angle
Leap Year Function ⌚
Find Out the Leap Year
Calculate Using String Operation
Area of a Rectangle
On/Off Switches
Miserable Parody of a Calculator
Multiple of 100
Football Points
Return the Sum of Two Numbers
Vowel Count
AB Check
Alphabet Soup
Check Nums
Simple Symbols
Letter Capitalize
Simple Adding
Letter Changes
Longest Word
First Reverse