ruby.md

Ruby

8 KYU | 7 KYU | 6 KYU | 5 KYU | 4 KYU | 3 KYU | 2 KYU | 1 KYU | BETA | Translations | Authored

8 KYU

• Multiply - CodeWars
• Broken Greetings - CodeWars
• String Repeat - CodeWars
• Sum of Positive - CodeWars
• Ones and Zeros - CodeWars
• Did she say hallo? - CodeWars
• Grasshopper - Personalized Message - CodeWars
• A Needle in the Haystack - CodeWars
• Convert a string to an array - CodeWars
• Remove exclamation marks - CodeWars
• Beginner - Reduce but Grow - CodeWars
• Beginner - Lost Without a Map - CodeWars
• UEFA EURO 2016 - CodeWars
• Jenny's secret message - CodeWars
• The Wide-Mouthed frog! - CodeWars
• Remove String Spaces - CodeWars
• Well of Ideas - Easy Version - CodeWars
• Squash the bugs - CodeWars
• Sort and Star - CodeWars
• Count the Monkeys! - CodeWars
• Basic variable assignment - CodeWars
• Short Long Short - CodeWars
• Pirates!! Are the Cannons ready!?? - CodeWars
• Do I get a bonus? - CodeWars
• Grasshopper - Combine strings - CodeWars
• Grasshopper - Make change - CodeWars
• Convert a Boolean to a String - CodeWars
• Convert a Boolean to a String - CodeWars
• Yield to the Block - CodeWars
• Convert number to reversed array of digits - CodeWars
• How many lightsabers do you own? - CodeWars
• Fake Binary - CodeWars
• Last - CodeWars
• Count of positives / sum of negatives - CodeWars
• Grasshopper - Basic Function Fixer - CodeWars
• For UFC Fans(Total Beginners): Conor McGregor vs George Saint Pierre - CodeWars
• Even or Odd - CodeWara
• Remove First and Last Character - CodeWars
• Double Char - CodeWara
• Sum without highest and lowest number - CodeWars
• BASIC: Making Six Toast. - CodeWars
• Keep Hydrated! - CodeWars
• Duck Duck Goose - CodeWars
• So Easy: Charge time calculation - CodeWars
• Exclamation marks series #11: Replace all vowel to - CodeWars
• Is this my tail? - CodeWars
• Is there a vowel in there? - CodeWars
• 2 + 2 * 2 problem - CodeWars
• Fix the Bugs (Syntax) - My First Kata - CodeWars
• Exclusive "or" (xor) Logical Operator - CodeWars
• Find Maximum and Minimum Values of a List - CodeWars
• Switch it Up! - CodeWars
• Classic Hello World - CodeWars
• Convert a Number to a String! - CodeWars
• Counting sheep... - CodeWars
• DNA to RNA Conversion - CodeWars
• Find n'th Digit of a Number - CodeWars
• Get number from string - CodeWars
• Convert a String to a Number! - CodeWars
• Opposites Attract - CodeWars
• Are You Playing Banjo? - CodeWars
• Square(n) Sum - CodeWars
• Pre-FizzBuzz Workout #1 - CodeWars
• Removing Elements - CodeWars
• Volume of a Cuboid - CodeWars
• Grasshopper - Debug sayHello - CodeWars
• Plural - CodeWars
• Formatting decimal places #0 - CodeWars
• String Templates - Bug Fixing #5 - CodeWars
• Invalid Login - Bug Fixing #11 - CodeWars
• Powers of 2 - CodeWars
• Exclamation marks series #1: Remove a exclamation mark from the end of string - CodeWars
• Regular Ball Super Ball - CodeWars
• Training JS #7: if..else and ternary operator - CodeWars
• Opposite number - CodeWars
• Array#second - CodeWars
• Enumerable Magic #30 - Split that Array! - CodeWars
• Incorrect division method - CodeWars
• Crash Override - CodeWars
• Grasshopper - Terminal Game #1 - CodeWars
• Rock Paper Scissors! - CodeWars
• I love you, a little , a lot, passionately ... not at all - CodeWars
• altERnaTIng cAsE <=> ALTerNAtiNG CaSe - CodeWars
• The 'if' function - CodeWars
• Sum Mixed Array - CodeWars
• Vowel remover - CodeWars
• Grasshopper - Summation - CodeWars
• Is the string uppercase? - CodeWars
• Welcome to the City - CodeWars
• Count by X - CodeWars
• Function 1 - hello world - CodeWars
• Incorrect array_remove method - CodeWars
• Enumerable Magic #1 - True for All? - CodeWars
• Transportation on vacation - CodeWars
• Sum Arrays - CodeWars
• Holiday VIII - Duty Free - CodeWars
• My head is at the wrong end! - CodeWars
• Return Two Highest Values in List - CodeWars
• Get Planet Name By ID - CodeWars
• Palindrome Strings - CodeWars
• Return to Sanity - CodeWars
• Function 3 - multiplying two numbers - CodeWars
• Reversing Words in a String - CodeWars
• Get the mean of an array - CodeWars
• Stringy Strings - CodeWars
• Sentence Smash - CodeWars

7 KYU

• Suzuki needs help lining up his students - CodeWars
• Help Suzuki rake his garden! - CodeWars
• Case swapping - CodeWars
• Friend or Foe? - CodeWars
• Descending Order - CodeWars
• Vowel Count - CodeWars
• Don't give me five! - CodeWars
• Keep the Order - CodeWars
• Mumbling - CodeWars
• Say hello! - CodeWars
• Printer Errors - CodeWars
• Median fun fun - CodeWars
• Gradually Adding Parameters - CodeWars
• New £5 notes collectors! - CodeWars
• Vowel one - CodeWars
• Bumps in the Road - CodeWars
• Switcheroo - CodeWars
• Two to One - CodeWars
• Jaden Casing Strings - CodeWars
• Is every value in the array an array? - CodeWars
• Return the closest number multiple of 10 - CodeWars
• Transpose two strings in an array - CodeWars
• Char Code Calculation - CodeWars
• Substituting Variables Into Strings: Padded Numbers - CodeWars
• Fizz Buzz - CodeWars
• Make a function that does arithmetic! - CodeWars
• Holiday V - SeaSick Snorkelling - CodeWars
• Sum up the random string - CodeWars
• String Reversing, Changing case, etc. - CodeWars
• Identical Elements - CodeWars
• Convert an array of strings to array of numbers - CodeWars
• Rotate for a Max - CodeWars
• Round to nearest 0 or 5 - CodeWars
• The highest profit wins! - CodeWars
• Invalid Input - Error Handling #1 - CodeWars
• Divide and Conquer - CodeWars
• Oh dear God! Is it bugged? - CodeWars
• Palindromes Here and There - CodeWars
• The dropWhile Function - CodeWars
• Parts of a list - CodeWars
• Exes and Ohs - CodeWars
• Sum of two lowest positive integers - CodeWars
• String to integer conversion - CodeWars
• Average Scores - CodeWars
• Fizz Buzz Cuckoo Clock - CodeWars
• Help Bob count letters and digits. - CodeWars
• Disemvowel Trolls - CodeWars
• You're a square! - CodeWars
• Square Every Digit - CodeWars
• Triangular Treasure - CodeWars
• Complementary DNA - CodeWars
• List Filtering - CodeWars
• No oddities here - CodeWars
• Highest and Lowest - CodeWars
• Get the Middle Character - CodeWars
• Credit Card Mask - CodeWars
• Reversed Strings - CodeWars
• Categorize New Member - CodeWars
• Summing a number's digits - CodeWars
• Isograms - CodeWars
• Beginner Series #3 Sum of Numbers - CodeWars
• Count the Characters - CodeWars
• Exclamation marks series #5: Remove all exclamation marks from the end of words - CodeWars
• The old switcheroo - CodeWars
• Exclamation marks series #13: Count the number of exclamation marks and question marks, return the product - CodeWars
• Head, Tail, Init and Last - CodeWars
• Calculate mean and concatenate string - CodeWars
• Thinkful - String Drills: Repeater level 2 - CodeWars
• Exclamation marks series #3: Remove all exclamation marks from sentence except at the end - CodeWars
• Compare Strings by Sum of Chars - CodeWars
• Reverse Letters in Sentence - CodeWars
• Find the vowels - CodeWars
• Trimming a string - CodeWars
• 80's Kids #1: How Many Licks Does it Take? - CodeWars
• 80's Kids #2: Help ALF Find His Spaceship - CodeWars
• 80's Kids #3: Punky Brewster's Socks - CodeWars
• 80's Kids #5: You Can't Do That on Television - CodeWars
• Cat and Mouse - Easy Version - CodeWars
• Retrieve array value by index with default - CodeWars
• Thinkful - String Drills: Quotable - CodeWars
• Frequency sequence - CodeWars
• Float Precision - CodeWars
• Naughty or Nice? - CodeWars
• All Star Code Challenge #1 - CodeWars
• Exclamation marks series #8: Move all exclamation marks to the end of the sentence - CodeWars
• Make a square box! - CodeWars
• Sum of a sequence - CodeWars
• All Star Code Challenge #28 - CodeWars
• Scrabble Score - CodeWars
• Flatten and sort an array - CodeWars
• Ordering the words! - CodeWars
• Fruit string calculator - CodeWars
• Incrementer - CodeWars
• Two Oldest Ages - CodeWars
• Scoring Tests - CodeWars
• The Office I - Outed - CodeWars
• The Office II - Boredom Score - CodeWars
• The Office III - Broken Photocopier - CodeWars
• Hit Count - CodeWars
• Find Count of Most Frequent Item in an Array - CodeWars
• Friday the 13th Part 1 - CodeWars
• sort array by last character - CodeWars
• Flatten - CodeWars
• No ifs no buts - CodeWars
• isEven? - Bitwise Series - CodeWars
• lucky number - CodeWars
• GA-DE-RY-PO-LU-KI cypher - CodeWars
• Covfefe - CodeWars
• Split In Parts - CodeWars

6 KYU

• Proof Read - CodeWars
• Find the missing letter - CodeWars
• Master of Files - CodeWars
• Length of missing array - CodeWars
• Find the odd int - CodeWars
• Framed Reflection - CodeWars
• Pair of gloves - CodeWars
• Kebabize - CodeWars
• Next Version - CodeWars
• Stop gninnipS My sdroW! - CodeWars
• Twisted Sum - CodeWars
• Dead Ants - CodeWars
• Word Patterns - CodeWars
• Turkish National Identity Number - CodeWars
• Wordify an integer - CodeWars
• Playing with passphrases - CodeWars
• Write Number in Expanded Form - CodeWars
• Regex Tic Tac Toe Win Checker - CodeWars
• Balance the arrays - CodeWars
• Min value of each n elements(Simple version) - CodeWars
• Vowel Shifting - CodeWars
• up AND down - CodeWars
• Remove anchor from URL - CodeWars
• MTV Cribs - CodeWars
• Decode the Morse code - CodeWars
• Are they the "same"? - CodeWars
• Good vs Evil - CodeWars
• Split and Join - CodeWars
• Persistent Bugger. - CodeWars
• Duplicate Encoder - CodeWars
• Format a string of names like 'Bart, Lisa & Maggie'. - CodeWars
• Counting Duplicates - CodeWars
• Split Without Loss - CodeWars
• Array.diff - CodeWara
• Linux history and ! command. Series#1 The !! command - CodeWars
• Linux history and ! command. Series#2 The !n command - CodeWars
• Linux history and ! command. Series#3 The !-n command - CodeWars
• Linux history and ! command. Series#4 The !string command - CodeWars
• Linux history and ! command. Series#5 The !?string command - CodeWars
• Multiples of 3 and 5 - CodeWars
• Who likes it? - CodeWars
• Dubstep - CodeWars
• Bit Counting - CodeWars
• File Path Operations - CodeWars
• Regexp Basics - is it IPv4 address? - CodeWars
• Create Phone Number - CodeWars
• Find the divisors! - CodeWars
• Unique In Order - CodeWars
• Find The Parity Outlier - CodeWars
• IQ Test - CodeWars
• Title Case - CodeWars
• WeIrD StRiNg CaSe - CodeWars
• Don't rely on luck. - CodeWars
• Valid Phone Number - CodeWars
• Delete occurrences of an element if it occurs more than n times - CodeWars
• Split Strings - CodeWars
• Throwing Darts - CodeWars
• Sort Arrays (Ignoring Case) - CodeWars
• Grouped by commas - CodeWars
• Palindrome for your Dome - CodeWars
• Reversed Words - CodeWars
• Simple Sentences - CodeWars
• Does array x contain all values within array y? - CodeWars
• Tortoise racing - CodeWars
• Sum of Digits / Digital Root - CodeWars
• Bouncing Balls - CodeWars
• longest_palindrome - CodeWars
• IPv4 to int32 - CodeWars
• Help the bookseller ! - CodeWars
• Complete The Pattern #14 - CodeWars
• Are they square 2? - CodeWars
• Ease the StockBroker - CodeWars
• Which are in? - CodeWars
• Complete The Pattern #15 - CodeWars
• HELP ALEX JONES! // FUNDAMENTALS PRACTICE (retired) - [CodeWars] ()
• The Shell Game - CodeWars
• Crazy programmer 01: find SuperMan - CodeWars
• String Shortener (shrink) - CodeWars
• Word a10n (abbreviation) - CodeWars
• Search The 0 Sums Combinations in an Array - CodeWars
• Salesman's Travel - CodeWars
• 80's Kids #4: Legends of the Hidden Temple - CodeWars
• 80's Kids #7: She's a Small Wonder - CodeWars
• Calculate String Rotation - CodeWars
• Street Fighter 2 - Character Selection - CodeWars
• Collatz - CodeWars
• Change Machine - CodeWars
• Guess the number! - CodeWars
• Where is my parent!?(cry) - CodeWars
• Arrh, grabscrab! - CodeWars
• Simple Fun #258: Is Divisible By 6 - CodeWars
• Does my number look big in this? - CodeWars
• GA-DE-RY-PO-LU-KI cypher vol 2 - CodeWars
• GA-DE-RY-PO-LU-KI cypher vol 3 - Missing key - CodeWars
• Mr. Safety's treasures - CodeWars

5 KYU

• Reversi row rudiments - CodeWars
• First non-repeating letter - CodeWars
• Largest 5 digit number in a series - CodeWars
• Valid Parentheses - CodeWars
• Caesar Cipher Helper - CodeWars
• Regex Password Validation - CodeWars
• #Hashtag - CodeWars
• The Hashtag Generator - CodeWars
• Email Validation - CodeWars
• Common Denominators - CodeWars
• Trick the Christmas Calendar! - CodeWars
• Simple Pig Latin - CodeWars
• Calculating with Functions - CodeWars
• Convert string to camel case - CodeWars
• RGB To Hex Conversion - CodeWars
• Extract the domain name from a URL - CodeWars
• Scramblies - CodeWars
• Break camelCase - CodeWars
• Two Joggers - CodeWars
• Convert PascalCase string into snake_case - CodeWars
• Greed is Good - CodeWars
• ROT13 - CodeWars
• Least Common Multiple - CodeWars
• Count IP Addresses - CodeWars
• ASCII hex converter - CodeWars
• Luck check - CodeWars
• Josephus Permutation - CodeWars
• Delta Bits - CodeWars
• Sort arrays - 3 - CodeWars
• Josephus Survivor - CodeWars
• Tongues - CodeWars
• Sum of Pairs - CodeWars
• Directions Reduction - CodeWars
• Guess The Gifts! - CodeWars
• Split hash by key(s) - CodeWars
• 80's Kids #6: Rock 'Em, Sock 'Em Robots - CodeWars
• Best travel - CodeWars
• Bulk up! - CodeWars

4 KYU

• Valid Braces - CodeWars
• Most frequently used words in a text - CodeWars
• Text align justify - CodeWars
• Strip Comments - CodeWars
• Strings Mix - CodeWars
• Roman Numerals Encoder - CodeWars
• Life of Possibilities - CodeWars
• Fluent Calculator - CodeWars

3 KYU

• Hard Time Bomb - CodeWars
• Calculator - CodeWars
• Did you mean ...? - CodeWars

BETA

• Which string is worth more? - CodeWars
• Compress string to return letter followed by numbers of times it occurs in a string - CodeWars
• Count letters in string - CodeWars
• Convert Symbol to Array - CodeWars
• National Bath Safety Month - CodeWars
• Basic Math Add or Subtract - CodeWars
• Robot Walk - CodeWars
• 80's Kids #9: Down in Fraggle Rock - CodeWars
• Pluralization - CodeWars
• Array Exchange - CodeWars
• Is it Golden? - CodeWars
• Thinkful - String Drills: Hello, World - CodeWars
• Car salesmen talk too much - CodeWars
• Your Mentors Film Library (Part 1) - CodeWars
• Your Mentors Film Library (Part 2) - CodeWars
• If you can read this... - CodeWars
• Testing 1-2-3 - CodeWars
• Is n divisible by x and y? - CodeWars
• Beginner Series #1 School Paperwork - CodeWars
• SevenAte9 - CodeWars
• 80's Kids #8: The Secret World of Alex Mack - CodeWars
• Personalising Spammy Marketing Emails - CodeWars
• Grasshopper - Terminal game combat function - CodeWars
• Keep up the hoop - CodeWars
• All Star Code Challenge #16 - CodeWars
• CamelCase method - CodeWars
• Anagram or not - CodeWars
• Alex & snooker: scores. - CodeWars
• Spanish Pirates off the Treasure Coast - CodeWars
• Find something in an Array - CodeWars
• Is it an isogram? - CodeWars
• Friday the 13th Part 1 - CodeWars
• Adding words - Part II - CodeWars

Translations

• Street Fighter 2 - Character Selection - Part 2 - CodeWars
• Hangman game - CodeWars
• All Star Code Challenge #2 - CodeWars
• All Star Code Challenge #3 - CodeWars
• All Star Code Challenge #5 - CodeWars
• All Star Code Challenge #6 - CodeWars
• All Star Code Challenge #13 - CodeWars
• All Star Code Challenge #18 - CodeWars
• Ensure question - CodeWars
• Stop worrying! - CodeWars
• Word Count - CodeWars
• Switch - CodeWars
• Cost of Shopping - CodeWars
• No yelling! - CodeWars
• Alien Accent - CodeWars
• Series of integers from 0 to n - CodeWars
• Sum of numbers from 0 to N - CodeWars
• Count number of zeros from 1 to N - CodeWars
• Series of integers from m to n - CodeWars
• Lottery machine - CodeWars
• All Star Code Challenge #22 - CodeWars
• Ten-Pin Bowling - CodeWars
• Mount the Bowling Pins! - CodeWars
• Battle ships: Sunk damaged or not touched? - CodeWars
• Spelling Bee - CodeWars

Authored

• Maze Runner - CodeWars
• Scooby Doo Puzzle - CodeWars
• Driving License - CodeWars
• Connect 4 - CodeWars
• Vending Machine - CodeWars
• Snakes and Ladders - CodeWars
• Mastermind - CodeWars
• Guess Who? - CodeWars
• Am I safe to drive? - CodeWars
• Mexican Wave - CodeWars
• Pigs in a Pen - CodeWars
• Hungry Hippos - CodeWars
• Plenty of Fish in the Pond - CodeWars
• Fruit Machine - CodeWars
• Car Park Escape - CodeWars