36. Codewars

Codewars es una comunidad educativa de programación de sistemas. En la plataforma, los desarrolladores de software participan en desafíos de programación conocidos como kata. Estos ejercicios entrenan un rango de habilidades y se completan dentro de un ambiente de desarrollo integrado en línea, en el que los usuarios tienen la posibilidad de ganar rangos y honor.

Codewars Katas 8kyu

Katas del nivel más sencillo (8).

  1. Multiply
  2. Even or Odd
  3. Convert a Number to a String!
  4. Opposite number
  5. Reversed Strings
  6. Return Negative
  7. Convert boolean values to strings 'Yes' or 'No'.
  8. Sum of positive
  9. String repeat
  10. Remove First and Last Character
  11. Square(n) Sum
  12. Find the smallest integer in the array
  13. Grasshopper - Summation
  14. Function 1 - hello world
  15. Convert a String to a Number!
  16. Remove String Spaces
  17. Counting sheep...
  18. You Can't Code Under Pressure #1
  19. Returning Strings
  20. Convert a Boolean to a String
  21. Keep Hydrated!
  22. Basic Mathematical Operations
  23. Century From Year
  24. Convert number to reversed array of digits
  25. Beginner - Lost Without a Map
  26. Beginner Series #2 Clock
  27. Opposites Attract
  28. Beginner Series #1 School Paperwork
  29. Abbreviate a Two Word Name
  30. Simple multiplication
  31. Sum Arrays
  32. MakeUpperCase
  33. A Needle in the Haystack
  34. Are You Playing Banjo?
  35. Invert values
  36. Calculate average
  37. Is he gonna survive?
  38. Count of positives / sum of negatives
  39. Beginner - Reduce but Grow
  40. How good are you really?
  41. Sentence Smash
  42. Calculate BMI
  43. Fake Binary
  44. Find Maximum and Minimum Values of a List
  45. You only need one - Beginner
  46. DNA to RNA Conversion
  47. Will you make it?
  48. Convert a string to an array
  49. Reversed sequence
  50. Is n divisible by x and y?
  51. Count by X
  52. If you can't sleep, just count sheep!!
  53. Rock Paper Scissors!
  54. Grasshopper - Personalized Message
  55. Jenny's secret message
  56. Quarter of the year
  57. Transportation on vacation
  58. Grasshopper - Grade book
  59. Volume of a Cuboid
  60. Remove exclamation marks
  61. Third Angle of a Triangle
  62. Total amount of points
  63. Area or Perimeter
  64. Thinkful - Logic Drills: Traffic light
  65. L1: Set Alarm
  66. Sum Mixed Array
  67. Grasshopper - Messi goals function
  68. Sum without highest and lowest number
  69. Double Char
  70. Get the mean of an array
  71. Reversed Words
  72. The Feast of Many Beasts
  73. Array plus array
  74. Parse nice int from char problem
  75. Grasshopper - Check for factor
  76. Beginner Series #4 Cockroach
  77. Switch it Up!
  78. Function 2 - squaring an argument
  79. Twice as old
  80. Keep up the hoop
  81. Get Planet Name By ID
  82. Removing Elements
  83. Will there be enough space?
  84. Count the Monkeys!
  85. Find the first non-consecutive number
  86. Grasshopper - Terminal game move function
  87. Grasshopper - Debug sayHello
  88. What is between?
  89. Is it even?
  90. Is the string uppercase?
  91. All Star Code Challenge #18
  92. Cat years, Dog years
  93. altERnaTIng cAsE <=> ALTerNAtiNG CaSe
  94. Do I get a bonus?
  95. Powers of 2
  96. Correct the mistakes of the character recognition software
  97. Is it a palindrome?
  98. Student's Final Grade
  99. Expressions Matter
  100. Sum The Strings
  101. Difference of Volumes of Cuboids
  102. Grasshopper - Messi Goals
  103. Welcome!
  104. Reverse List Order
  105. I love you, a little , a lot, passionately ... not at all
  106. Basic variable assignment
  107. Count Odd Numbers below n
  108. Sort and Star
  109. Unfinished Loop - Bug Fixing #1
  110. My head is at the wrong end!
  111. Find Multiples of a Number
  112. Drink about
  113. Short Long Short
  114. Vowel remover
  115. Filter out the geese
  116. What's the real floor?
  117. Capitalization and Mutability
  118. get character from ASCII Value
  119. Grasshopper - If/else syntax debug
  120. Find numbers which are divisible by given number
  121. Name Shuffler
  122. Stringy Strings
  123. How many lightsabers do you own?
  124. Exclusive &quot;or&quot; (xor) Logical Operator
  125. Training JS #7: if..else and ternary operator
  126. Plural
  127. Lario and Muigi Pipe Problem
  128. Grasshopper - Basic Function Fixer
  129. Multiplication table for number
  130. Regular Ball Super Ball
  131. Get Nth Even Number
  132. Merge two sorted arrays into one
  133. Super Duper Easy
  134. 5 without numbers !!
  135. A wolf in sheep's clothing
  136. Gravity Flip
  137. Remove duplicates from list
  138. To square(root) or not to square(root)
  139. Determine offspring sex based on genes XX and XY chromosomes
  140. The Wide-Mouthed frog!
  141. Convert to Binary
  142. Add Length
  143. Well of Ideas - Easy Version
  144. The 'if' function
  145. Bin to Decimal
  146. FIXME: Replace all dots
  147. Hello, Name or World!
  148. Holiday VIII - Duty Free
  149. Grasshopper - Terminal game combat function
  150. Hex to Decimal
  151. Grasshopper - Function syntax debugging
  152. No zeros for heros
  153. Exclamation marks series #1: Remove an exclamation mark from the end of string
  154. Welcome to the City
  155. Enumerable Magic #25 - Take the First N Elements
  156. Exclamation marks series #11: Replace all vowel to exclamation mark in the sentence
  157. Is this my tail?
  158. Find the Remainder
  159. Find the position!
  160. Surface Area and Volume of a Box
  161. Alan Partridge II - Apple Turnover
  162. Generate range of integers
  163. 101 Dalmatians - squash the bugs, not the dogs!
  164. Grasshopper - Debug
  165. Price of Mangoes
  166. Printing Array elements with Comma delimiters
  167. Grasshopper - Array Mean
  168. Reversing Words in a String
  169. Remove First and Last Character Part Two
  170. Sum of differences in array
  171. Dollars and Cents
  172. Pillars
  173. String cleaning
  174. Find out whether the shape is a cube
  175. Simple validation of a username with regex
  176. Enumerable Magic - Does My List Include This?
  177. Check same case
  178. Return to Sanity
  179. Simple Fun #1: Seats in Theater
  180. Sum of Multiples
  181. Swap Values
  182. Multiple of index
  183. Sleigh Authentication
  184. Take the Derivative
  185. Find Nearest square number
  186. Kata Example Twist
  187. L1: Bartender, drinks!
  188. How old will I be in 2099?
  189. Basic Training: Add item to an Array
  190. Return the day
  191. String Templates - Bug Fixing #5
  192. Triple Trouble
  193. Never visit a . . . !?
  194. USD => CNY
  195. Regex count lowercase letters
  196. Area of a Square
  197. Formatting decimal places #0
  198. How many stairs will Suzuki climb in 20 years?
  199. OOP: Object Oriented Piracy
  200. Color Ghost
  201. Name on billboard
  202. Define a card suit
  203. Miles per gallon to kilometers per liter
  204. Incorrect division method
  205. Holiday VI - Shark Pontoon
  206. Do you speak &quot;English&quot;?
  207. Grasshopper - Combine strings
  208. No Loops 2 - You only need one
  209. Basic subclasses - Adam and Eve
  210. Remove the time
  211. Exclamation marks series #2: Remove all exclamation marks from the end of sentence
  212. SpeedCode #2 - Array Madness
  213. Classic Hello World
  214. Regexp Basics - is it a digit?
  215. Find the Difference in Age between Oldest and Youngest Family Members
  216. The falling speed of petals
  217. Fundamentals: Return
  218. Is it a number?
  219. Fix your code before the garden dies!
  220. CSV representation of array
  221. Classy Classes
  222. Contamination #1 -String-
  223. Pythagorean Triple
  224. Smallest unused ID
  225. Leonardo Dicaprio and Oscars
  226. Exclamation marks series #6: Remove n exclamation marks in the sentence from left to right
  227. get ascii value of character
  228. Exclamation marks series #4: Remove all exclamation marks from sentence but ensure a exclamation mark at the end of string
  229. A Strange Trip to the Market
  230. Closest elevator
  231. Compare within margin
  232. Tip Calculator
  233. Quadrants
  234. Geometry Basics: Distance between points in 2D
  235. Who is going to pay for the wall?
  236. Chuck Norris VII - True or False? (Beginner)
  237. BASIC: Making Six Toast.
  238. Are arrow functions odd?
  239. simple calculator
  240. Collatz Conjecture (3n+1)
  241. Is there a vowel in there?
  242. Unexpected parsing
  243. Thinkful - Number Drills: Blue and red marbles
  244. Find the Integral
  245. ASCII Total
  246. Did she say hallo?
  247. For UFC Fans (Total Beginners): Conor McGregor vs George Saint Pierre
  248. Duck Duck Goose
  249. validate code with simple regex
  250. Who ate the cookie?
  251. Template Strings
  252. Quadratic Coefficients Solver
  253. Multiply the number
  254. Localize The Barycenter of a Triangle
  255. Switch/Case - Bug Fixing #6
  256. Wilson primes
  257. Parse float
  258. Get number from string
  259. Count the number of cubes with paint on
  260. Power
  261. Grader
  262. 8kyu interpreters: HQ9+
  263. Is your period late?
  264. Enumerable Magic #1 - True for All?
  265. Pirates!! Are the Cannons ready!??
  266. Classy Extentions
  267. Are they opposite?
  268. Barking mad
  269. UEFA EURO 2016
  270. Draw stairs
  271. Ensure question
  272. Training JS #18: Methods of String object--concat() split() and its good friend join()
  273. For Twins: 2. Math operations
  274. NBA full 48 minutes average
  275. Online RPG: player to qualifying stage?
  276. pick a set of first elements
  277. Find the Slope
  278. Fix the Bugs (Syntax) - My First Kata
  279. Fuel Calculator: Total Cost
  280. Freudian translator
  281. Grasshopper - Terminal Game #1
  282. Is the date today
  283. How do I compare numbers?
  284. Name Your Python!
  285. Return Two Highest Values in List
  286. Calculate Price Excluding VAT
  287. Safen User Input Part I - htmlspecialchars
  288. Crash Override
  289. Evil or Odious
  290. Merging sorted integer arrays (without duplicates)
  291. Finish Guess the Number Game
  292. Polish alphabet
  293. Semi-Optional
  294. Logical calculator
  295. Grasshopper - Bug Squashing
  296. Points of Reflection
  297. Job Matching #1
  298. Grasshopper - Create the rooms
  299. Simple Fun #261: Whose Move
  300. Age Range Compatibility Equation
  301. Be Concise I - The Ternary Operator
  302. Enumerable Magic #20 - Cascading Subsets
  303. Playing with cubes II
  304. Be Concise IV - Index of an element in an array
  305. easy logs
  306. How much water do I need?
  307. Heads and Legs
  308. Grasshopper - Terminal Game Turn Function
  309. For Twins: 1. Types
  310. Thinkful - Dictionary drills: Order filler
  311. Neutralisation
  312. Floating point comparison
  313. Days in the year
  314. Sort My Textbooks
  315. Are there any arrows left?
  316. What's up next?
  317. Add new item (collections are passed by reference)
  318. Filtering even numbers (Bug Fixes)
  319. Aspect Ratio Cropping - Part 1
  320. Total pressure calculation
  321. Flick Switch
  322. Geometry Basics: Circle Circumference in 2D
  323. Simple Fun #352: Reagent Formula
  324. Fix the loop!
  325. Training JS #32: methods of Math---round() ceil() and floor()
  326. Invalid Login - Bug Fixing #11
  327. Geometry Basics: Circle Area in 2D
  328. Generate user links
  329. Byte me!
  330. Greek Sort
  331. Pole Vault Starting Marks
  332. Up and down, the string grows
  333. Find the force of gravity between two objects
  334. Enumerable Magic #30 - Split that Array!
  335. Circles in Polygons
  336. Vexing Vanishing Values
  337. A Letter's Best Friend
  338. Collinearity

Codewars Katas 7kyu

Katas de nivel 7.

  1. Vowel Count
  2. Disemvowel Trolls
  3. Square Every Digit
  4. Highest and Lowest
  5. You're a square!
  6. List Filtering
  7. Descending Order
  8. Get the Middle Character
  9. Isograms
  10. Exes and Ohs
  11. Jaden Casing Strings
  12. Shortest Word
  13. Mumbling
  14. Complementary DNA
  15. Sum of two lowest positive integers
  16. String ends with?
  17. Beginner Series #3 Sum of Numbers
  18. Credit Card Mask
  19. Friend or Foe?
  20. Binary Addition
  21. Is this a triangle?
  22. Regex validate PIN code
  23. Two to One
  24. Sum of odd numbers
  25. Categorize New Member
  26. Find the next perfect square!
  27. Growth of a Population
  28. Printer Errors
  29. Ones and Zeros
  30. Number of People in the Bus
  31. Reverse words
  32. Odd or Even?
  33. The highest profit wins!
  34. Sum of the first nth term of Series
  35. Find the divisors!
  36. Remove the minimum
  37. Testing 1-2-3
  38. Count the divisors of a number
  39. Find the stray number
  40. Sort Numbers
  41. Breaking chocolate problem
  42. Make a function that does arithmetic!
  43. Count the Digit
  44. Anagram Detection
  45. Sum of a sequence
  46. Sort array by string length
  47. Money, Money, Money
  48. Remove anchor from URL
  49. Factorial
  50. Don't give me five!
  51. Find the capitals
  52. Small enough? - Beginner
  53. Leap Years
  54. Summing a number's digits
  55. Sum of angles
  56. Find the middle element
  57. Two Oldest Ages
  58. Simple Fun #176: Reverse Letter
  59. Round up to the next multiple of 5
  60. Maximum Multiple
  61. The Coupon Code
  62. No oddities here
  63. Alternate capitalization
  64. Largest 5 digit number in a series
  65. Fix string case
  66. Triangular Treasure
  67. Maximum Length Difference
  68. Are the numbers in order?
  69. Check the exam
  70. Number of Decimal Digits
  71. Flatten and sort an array
  72. Two fighters, one winner.
  73. Deodorant Evaporator
  74. JavaScript Array Filter
  75. Form The Minimum
  76. Fizz Buzz
  77. Factorial
  78. Sum of Minimums!
  79. Power of two
  80. Predict your age!
  81. Row Weights
  82. Greet Me
  83. Sum of numbers from 0 to N
  84. Remove duplicate words
  85. Sum of Cubes
  86. Sorted? yes? no? how?
  87. Find the vowels
  88. Greatest common divisor
  89. Sort the Gift Code
  90. Love vs friendship
  91. Bumps in the Road
  92. Digits explosion
  93. Functional Addition
  94. Head, Tail, Init and Last
  95. Alphabet war
  96. Largest pair sum in array
  97. Build a square
  98. Maximum Product
  99. Even numbers in an array
  100. Switcheroo
  101. Filter the number
  102. Sum of Triangular Numbers
  103. My Language Skills
  104. Simple beads count
  105. Boiled Eggs
  106. Sort arrays - 1
  107. Unlucky Days
  108. Minimize Sum Of Array (Array Series #1)
  109. Speed Control
  110. Odd-Even String Sort
  111. Parts of a list
  112. Maximum Triplet Sum (Array Series #7)
  113. Higher-Order Functions Series - Count the number of JavaScript developers coming from Europe
  114. Most digits
  115. Over The Road
  116. Currying functions: multiply all elements in an array
  117. Palindrome chain length
  118. Smallest value of an array
  119. Simple remove duplicates
  120. 16+18=214
  121. Divide and Conquer
  122. Ordered Count of Characters
  123. Moves in squared strings (I)
  124. Building Strings From a Hash
  125. Convert an array of strings to array of numbers
  126. Cats and shelves
  127. Number Of Occurrences
  128. Reverse a Number
  129. Largest Square Inside A Circle
  130. Perimeter sequence
  131. Alphabet symmetry
  132. Halving Sum
  133. Flatten
  134. Unpacking Arguments
  135. A Rule of Divisibility by 7
  136. Digitize
  137. Sum even numbers
  138. Basic Sequence Practice
  139. Simple Fun #74: Growing Plant
  140. Area of a Circle
  141. Going to the cinema
  142. max diff - easy
  143. Find the nth Digit of a Number
  144. Largest Elements
  145. All unique
  146. Sum of all arguments
  147. Coding Meetup #2 - Higher-Order Functions Series - Greet developers
  148. V A P O R C O D E
  149. Alphabetical Addition
  150. shorter concat [reverse longer]
  151. Refactored Greeting
  152. Char Code Calculation
  153. Substituting Variables Into Strings: Padded Numbers
  154. Nth Smallest Element (Array Series #4)
  155. Nickname Generator
  156. Incrementer
  157. Strong Number (Special Numbers Series #2)
  158. Building blocks
  159. Simple string characters
  160. Find Count of Most Frequent Item in an Array
  161. Alternate case
  162. Coloured Triangles
  163. Balanced Number (Special Numbers Series #1 )
  164. Vowel one
  165. Automorphic Number (Special Numbers Series #6)
  166. Drying Potatoes
  167. Return the Missing Element
  168. Averages of numbers
  169. Remove All The Marked Elements of a List
  170. Spacify
  171. Complete The Pattern #1
  172. Sum of array singles
  173. Simple consecutive pairs
  174. esreveR
  175. Tidy Number (Special Numbers Series #9)
  176. Sort Out The Men From Boys
  177. Coding Meetup #3 - Higher-Order Functions Series - Is Ruby coming?
  178. Sum of Odd Cubed Numbers
  179. Who is the killer?
  180. FIXME: Get Full Name
  181. Last Survivor
  182. All Inclusive?
  183. Basic Calculator
  184. How many arguments
  185. Product Of Maximums Of Array (Array Series #2)
  186. getNames()
  187. Debug Sum of Digits of a Number
  188. Rotate for a Max
  189. Folding your way to the moon
  190. Sum of integers in string
  191. Simple Fun #152: Invite More Women?
  192. Caffeine Script
  193. Disarium Number (Special Numbers Series #3)
  194. Coding Meetup #4 - Higher-Order Functions Series - Find the first Python developer
  195. Collatz Conjecture Length
  196. Lost number in number sequence
  197. Sort by Last Char
  198. Looking for a benefactor
  199. Find The Duplicated Number in a Consecutive Unsorted List
  200. Regexp Basics - is it a vowel?
  201. Longest vowel chain
  202. Colour Association
  203. Squares sequence
  204. Special Number (Special Numbers Series #5)
  205. Elapsed Seconds
  206. Return the first M multiples of N
  207. Indexed capitalization
  208. Array element parity
  209. Make them bark!
  210. Combine objects
  211. Cat and Mouse - Easy Version
  212. Product Array (Array Series #5)
  213. Heron's formula
  214. Insert dashes
  215. How many are smaller than me?
  216. Convert a linked list to a string
  217. Find the missing element between two arrays
  218. Javascript filter - 1
  219. Get decimal part of the given number
  220. The wheat/rice and chessboard problem
  221. Last
  222. The old switcheroo
  223. Jumping Number (Special Numbers Series #4)
  224. Running out of space
  225. Regexp Basics - is it a letter?
  226. Count consonants
  227. Coding Meetup #6 - Higher-Order Functions Series - Can they code in the same language?
  228. The Office I - Outed
  229. ToLeetSpeak
  230. Basic JS - Calculating averages
  231. Split The Bill
  232. Making Copies
  233. Array Leaders (Array Series #3)
  234. Find the Capitals
  235. Return substring instance count
  236. Is n divisible by (...)?
  237. Complete The Pattern #2
  238. Coding Meetup #5 - Higher-Order Functions Series - Prepare the count of languages
  239. Changing letters
  240. Word values
  241. Nth power rules them all!
  242. Easy mathematical callback
  243. Between Extremes
  244. Remove consecutive duplicate words
  245. Arithmetic Sequence!
  246. Split In Parts
  247. Birthday I - Cake
  248. Discover The Original Price
  249. Count all the sheep on farm in the heights of New Zealand
  250. Easy wallpaper
  251. Return the closest number multiple of 10
  252. Person Class Bug
  253. By 3, or not by 3? That is the question . . .
  254. Chain me
  255. Digital cypher
  256. Help the Fruit Guy
  257. Numbers in strings
  258. Maximum Gap (Array Series #4)
  259. String Reordering
  260. Vampire Numbers
  261. Spoonerize Me
  262. Elevator Distance
  263. Average Scores
  264. Length and two values.
  265. All Star Code Challenge #22
  266. Unique string characters
  267. Valid Parentheses
  268. Reverse list
  269. Numbers to Letters
  270. Valid Spacing
  271. Return a string's even characters.
  272. Selective fear of numbers
  273. Responsible Drinking
  274. Formatting decimal places #1
  275. Monotone travel
  276. Area of an arrow
  277. Fibonacci
  278. Evens and Odds
  279. Simple Fun #2: Circle of Numbers
  280. Absent vowel
  281. Drone Fly-By
  282. Compare Strings by Sum of Chars
  283. Sum a list but ignore any duplicates
  284. ATM
  285. Find Screen Size
  286. See You Next Happy Year
  287. Two numbers are positive
  288. Holiday III - Fire on the boat
  289. Extra Perfect Numbers (Special Numbers Series #7)
  290. Bingo ( Or Not )
  291. Bubblesort Once
  292. Return String of First Characters
  293. Computer problem series #1: Fill the Hard Disk Drive
  294. The Office IV - Find a Meeting Room
  295. Milk and Cookies for Santa
  296. Nice Array
  297. The fusc function -- Part 1
  298. makeBackronym
  299. Search for letters
  300. Evens times last
  301. Letterbox Paint-Squad
  302. Partial Word Searching
  303. Dot Calculator
  304. Previous multiple of three
  305. Float Precision
  306. Say hello!
  307. First-Class Function Factory
  308. Basic Math (Add or Subtract)
  309. Minimum Steps (Array Series #6)
  310. Filter Long Words
  311. Simple Fun #37: House Numbers Sum
  312. Find min and max
  313. Trimming a string
  314. Powers of i
  315. Covfefe
  316. Band name generator
  317. Reverse the bits in an integer
  318. Which color is the brightest?
  319. SevenAte9
  320. Even or Odd - Which is Greater?
  321. The Office II - Boredom Score
  322. Filter unused digits
  323. Especially Joyful Numbers
  324. Thinking &amp; Testing: A and B?
  325. String Merge!
  326. Credit card issuer checking
  327. Pluck
  328. Linked Lists - Push &amp; BuildOneTwoThree
  329. Help Suzuki rake his garden!
  330. Arithmetic progression
  331. How many consecutive numbers are needed?
  332. Find the Missing Number
  333. Number-Star ladder
  334. Check for prime numbers
  335. Thinkful - String Drills: Quotable
  336. Coding Meetup #11 - Higher-Order Functions Series - Find the average age
  337. Plus - minus - plus - plus - ... - Count
  338. Scaling Squared Strings
  339. Consecutive items
  340. Coding Meetup #12 - Higher-Order Functions Series - Find GitHub admins
  341. Interactive Dictionary
  342. Candy problem
  343. Character Counter
  344. Interview Question (easy)
  345. Linked Lists - Get Nth Node
  346. Counting in the Amazon
  347. Determine if the poker hand is flush
  348. Ninja vs Samurai: Strike
  349. Return a sorted list of objects
  350. Arithmetic List!
  351. Sorting Dictionaries
  352. LinkedList -> Array
  353. For the sake of argument
  354. last digits of a number
  355. Password maker
  356. Correct the time-string
  357. Stanton measure
  358. Dictionary from two lists
  359. Find the index of the second occurrence of a letter in a string
  360. Difference Of Squares
  361. Convert Hash To An Array
  362. Help Bob count letters and digits.
  363. How Green Is My Valley?
  364. Naughty or Nice?
  365. Simple string reversal
  366. Numbers with this digit inside
  367. Find sum of top-left to bottom-right diagonals
  368. Who's Online?
  369. Coding Meetup #14 - Higher-Order Functions Series - Order the food
  370. Find all occurrences of an element in an array
  371. Sort Santa's Reindeer
  372. Find Duplicates
  373. Pandemia 🌡️
  374. Waiting room
  375. Find Your Villain Name
  376. Consecutive letters
  377. Substring fun
  378. Eliminate the intruders! Bit manipulation
  379. Frequency sequence
  380. L2: Triple X
  381. Password Hashes
  382. Inspiring Strings
  383. Fix My Phone Numbers!
  384. What a &quot;Classy&quot; Song
  385. Double Sort
  386. Recursion 101
  387. Ghostbusters (whitespace removal)
  388. Invisible cubes
  389. All Star Code Challenge #3
  390. Multiples!
  391. Move 10
  392. Double Every Other
  393. Sum of a Beach
  394. Is It Negative Zero (-0)?
  395. Nth Root of a Number
  396. Exclamation marks series #13: Count the number of exclamation marks and question marks, return the product
  397. Password validator
  398. The Poet And The Pendulum
  399. Snail crawls up
  400. Retrieve array value by index with default
  401. Alphabetically ordered
  402. 254 shades of grey
  403. Power of 4
  404. Hells Kitchen
  405. Number of Rectangles in a Grid
  406. Max-min arrays
  407. String matchup
  408. Replace every nth
  409. What dominates your array?
  410. Scrolling Text
  411. Multiply Word in String
  412. Tail Swap
  413. Filter Coffee
  414. Find the Squares
  415. The reject() function
  416. Check three and two
  417. Number Pairs
  418. Broken sequence
  419. Four/Seven
  420. Are they square?
  421. Keep the Order
  422. Hello World - Without Strings
  423. Slope of a Line
  424. Initialize my name
  425. Keypad horror
  426. Enumerable Magic #5- True for Just One?
  427. Clean up after your dog
  428. Populate hash with array keys and default value
  429. C.Wars
  430. The Office III - Broken Photocopier
  431. Converting integer to currency format
  432. Battle of the characters (Easy)
  433. Reverser
  434. String to integer conversion
  435. Sum - Square Even, Root Odd
  436. Numbers to Objects
  437. What's my golf score?
  438. Is every value in the array an array?

Codewars Katas 6kyu

Katas de nivel 6.

  1. Multiples of 3 or 5
  2. Who likes it?
  3. Create Phone Number
  4. Find the odd int
  5. Array.diff
  6. Sum of Digits / Digital Root
  7. Stop gninnipS My sdroW!
  8. Bit Counting
  9. Counting Duplicates
  10. Duplicate Encoder
  11. Find The Parity Outlier
  12. Replace With Alphabet Position
  13. Persistent Bugger.
  14. Take a Ten Minutes Walk
  15. Convert string to camel case
  16. Unique In Order
  17. Detect Pangram
  18. Does my number look big in this?
  19. Your order, please
  20. Tribonacci Sequence
  21. Split Strings
  22. Find the unique number
  23. Playing with digits
  24. Equal Sides Of An Array
  25. Decode the Morse code
  26. Is a number prime?
  27. Break camelCase
  28. Sort the odd
  29. Are they the &quot;same&quot;?
  30. Build Tower
  31. Find the missing letter
  32. Highest Scoring Word
  33. Count the smiley faces!
  34. Delete occurrences of an element if it occurs more than n times
  35. Bouncing Balls
  36. Count characters in your string
  37. Build a pile of Cubes
  38. Which are in?
  39. Consecutive strings
  40. Write Number in Expanded Form
  41. Two Sum
  42. Valid Braces
  43. Mexican Wave
  44. Take a Number And Sum Its Digits Raised To The Consecutive Powers And ....¡Eureka!!
  45. Roman Numerals Encoder
  46. The Supermarket Queue
  47. Roman Numerals Decoder
  48. WeIrD StRiNg CaSe
  49. CamelCase Method
  50. IP Validation
  51. Title Case
  52. Multiplication table
  53. Give me a Diamond
  54. Make the Deadfish Swim
  55. Rectangle into Squares
  56. Tortoise racing
  57. Help the bookseller !
  58. Simple Encryption #1 - Alternating Split
  59. Good vs Evil
  60. Sums of Parts
  61. Reverse or rotate?
  62. Data Reverse
  63. Encrypt this!
  64. N-th Fibonacci
  65. Find the missing term in an Arithmetic Progression
  66. Meeting
  67. Valid Phone Number
  68. The Vowel Code
  69. Buying a car
  70. Backspaces in string
  71. Consonant value
  72. Pyramid Array
  73. Length of missing array
  74. Highest Rank Number in an Array
  75. Validate Credit Card Number
  76. A Rule of Divisibility by 13
  77. Pair of gloves
  78. Triple trouble
  79. Dashatize it
  80. Function Composition
  81. Handshake problem
  82. Multi-tap Keypad Text Entry on an Old Mobile Phone
  83. Fibonacci, Tribonacci and friends
  84. Matrix Addition
  85. Array Deep Count
  86. Prefill an Array
  87. Kebabize
  88. Don't rely on luck.
  89. Word a10n (abbreviation)
  90. Pascal's Triangle
  91. Street Fighter 2 - Character Selection
  92. Lottery Ticket
  93. Playing with passphrases
  94. Character with longest consecutive repetition
  95. Reverse polish notation calculator
  96. +1 Array
  97. Fold an array
  98. If you can read this...
  99. longest_palindrome
  100. Base Conversion
  101. IPv4 to int32
  102. Reverse every other word in the string
  103. Statistics for an Athletic Association
  104. Run-length encoding
  105. What century is it?
  106. Linked Lists - Length &amp; Count
  107. Grouped by commas
  108. Decipher this!
  109. Two Joggers
  110. Sorting by bits
  111. Triangle type
  112. Clocky Mc Clock-Face
  113. New Cashier Does Not Know About Space or Shift
  114. Ball Upwards
  115. Sum consecutives
  116. English beggars
  117. extract portion of file name
  118. Rainfall
  119. Mutual Recursion
  120. String array duplicates
  121. Let's Recycle!
  122. Backwards Read Primes
  123. Sort Arrays (Ignoring Case)
  124. Calculate String Rotation
  125. Maze Runner
  126. Unary function chainer
  127. Put the exclamation marks and question marks on the balance - are they balanced?
  128. Coordinates Validator
  129. Where is my parent!?(cry)
  130. How Much?
  131. Prize Draw
  132. Introduction to Esolangs and My First Interpreter (MiniStringFuck)
  133. Steps in Primes
  134. zipWith
  135. Primorial Of a Number
  136. Salesman's Travel
  137. Hamming Distance
  138. Is Integer Array?
  139. String transformer
  140. Remove the parentheses
  141. Difference of 2
  142. Bingo Card
  143. Arrh, grabscrab!
  144. Image host filename generator
  145. Matrix Transpose
  146. The Deaf Rats of Hamelin
  147. &quot;Stringing&quot;+&quot;Me&quot;+&quot;Along&quot;
  148. Format words into a sentence
  149. Sequences and Series
  150. Find the Mine!
  151. Pascal's Triangle #2
  152. Number Zoo Patrol
  153. Design a Simple Automaton (Finite State Machine)
  154. Transform To Prime
  155. Manhattan Distance
  156. Autocomplete! Yay!
  157. Twisted Sum
  158. PI approximation
  159. Higher-Order Functions Series - Find the most senior developer
  160. Triangle number check
  161. Loose Change
  162. Evil Autocorrect Prank
  163. Throwing Darts
  164. Higher-Order Functions Series - Will all continents be represented?
  165. Binary to Text (ASCII) Conversion
  166. Financing Plan on Planet XY140Z-n
  167. Tank Truck
  168. All Star Code Challenge #15
  169. A disguised sequence (I)
  170. Integer depth
  171. Moves in squared strings (II)
  172. Collatz
  173. Who has the most money?
  174. Simple Fun #79: Delete a Digit
  175. Playing on a chessboard
  176. Banker's Plan
  177. Strip Url Params
  178. Reducing by steps
  179. Srot the inner ctonnet in dsnnieedcg oredr
  180. Calculate the area of a regular n sides polygon inside a circle of radius r
  181. Simple frequency sort
  182. Irreducible Sum of Rationals
  183. Round by 0.5 steps
  184. Pokemon Damage Calculator
  185. How many pages in a book?
  186. Almost Even
  187. PatternCraft - Strategy
  188. PatternCraft - State
  189. String average
  190. PatternCraft - Decorator
  191. Duplicate Arguments
  192. Clock in Mirror
  193. Positions Average
  194. Custom FizzBuzz Array
  195. Arrays Similar
  196. Simple Substitution Cipher Helper
  197. Simple Sentences
  198. Find within array
  199. Coding Meetup #15 - Higher-Order Functions Series - Find the odd names
  200. Ackermann Function
  201. Angle Between Clock Hands
  202. Coding Meetup #9 - Higher-Order Functions Series - Is the meetup age-diverse?
  203. Error correction #1 - Hamming Code
  204. Who won the election?
  205. Most Frequent Weekdays
  206. Shortest steps to a number
  207. Row of the odd triangle
  208. Alphabet war - airstrike - letters massacre
  209. Prime Factors
  210. More Zeros than Ones
  211. The Shell Game
  212. Numericals of a String
  213. Schrödinger's Boolean
  214. Sum two arrays
  215. RoboScript #1 - Implement Syntax Highlighting
  216. Piano Kata, Part 1
  217. Compare Versions
  218. Permute a Palindrome
  219. What's A Name In?
  220. Message Validator
  221. Complete Fibonacci Series
  222. ASCII hex converter
  223. Alphabetized
  224. Basic Encryption
  225. Simple Simple Simple String Expansion
  226. Count the divisible numbers
  227. Are we alternate?
  228. Braking well
  229. Adding ordinal indicator suffixes to numbers
  230. up AND down
  231. Longest alphabetical substring
  232. Lambdas as a mechanism for Open/Closed
  233. Fruit Machine
  234. Number Format
  235. Parabolic Arc Length
  236. Sum of many ints
  237. Even Fibonacci Sum
  238. Hidden &quot;Cubic&quot; numbers
  239. Coding Meetup #13 - Higher-Order Functions Series - Is the meetup language-diverse?
  240. Hanoi record
  241. Feynman's square question
  242. Function iteration
  243. Crack the PIN
  244. Color Choice
  245. Frog jumping
  246. Split and then add both sides of an array together.
  247. Easy Balance Checking
  248. Simple card game
  249. Reach Me and Sum my Digits
  250. The Office V - Find a Chair
  251. Adjacent repeated words in a string
  252. Turn String Input into Hash
  253. Sorting on planet Twisted-3-7
  254. The maximum sum value of ranges -- Simple version
  255. Regexp Basics - is it IPv4 address?
  256. Moves in squared strings (III)
  257. Reversing a Process
  258. Catalog
  259. first character that repeats
  260. Change it up
  261. Arabian String
  262. 1RM Calculator
  263. Basics 08: Find next higher number with same Bits (1's)
  264. 1/n- Cycle
  265. Linked Lists - Insert Nth Node
  266. Casino chips
  267. Dbftbs Djqifs
  268. Valid string
  269. Harshad or Niven numbers
  270. Bowling Pins
  271. Sum of prime-indexed elements
  272. N smallest elements in original order
  273. Look and say numbers
  274. Parse HTML/CSS Colors
  275. Sort My Animals
  276. Sortable Shapes
  277. I need more speed!
  278. The Enigma Machine - Part 1: The Plugboard
  279. Errors : histogram
  280. Framed Reflection
  281. Emotional Sort ( ︶︿︶)
  282. HTML dynamic color string generation
  283. The takeWhile Function
  284. Zero-plentiful Array
  285. The Book of Mormon
  286. Duplicates. Duplicates Everywhere.
  287. Odd-heavy Array
  288. Number of anagrams in an array of words
  289. Simple string indices
  290. Dead Ants
  291. Upside down numbers
  292. Doors in the school
  293. Cat and Mouse - Harder Version
  294. Easy Diagonal
  295. uniq (UNIX style)
  296. Pizza pieces
  297. Custom Array Filters
  298. Quick (n choose k) calculator
  299. Fibonacci Reloaded
  300. Potion Class 101
  301. Breaking search bad
  302. Circularly Sorted Array
  303. Rotate Array
  304. Array combinations
  305. Last Survivors Ep.2
  306. Ease the StockBroker
  307. Calculate number of inversions in array
  308. Pairs of Bears
  309. Linked Lists - Sorted Insert
  310. Compare powers
  311. Selective Array Reversing
  312. Unwanted dollars
  313. Exercise in Summing
  314. Find Cracker.
  315. Single character palindromes
  316. Moduli number system
  317. Estimating Amounts of Subsets
  318. Pentabonacci
  319. Urban Dictionary
  320. Lowest product of 4 consecutive numbers
  321. Next Version
  322. Sudoku board validator
  323. Count the days!
  324. FIXME: Hello
  325. Simple Fun #52: Pair Of Shoes
  326. Binaries
  327. Anagram difference
  328. Repeated Substring
  329. IP Address to Number
  330. Linked Lists - Remove Duplicates
  331. Organise duplicate numbers in list
  332. Parse a linked list from a string
  333. Element equals its index
  334. Simpson's Rule - Approximate Integration
  335. 80's Kids #7: She's a Small Wonder
  336. Tic-Tac-Toe-like table Generator
  337. Ascend, Descend, Repeat?
  338. Single Word Pig Latin
  339. Data compression using run-length encoding
  340. Write Number in Expanded Form - Part 2
  341. Inside Out Strings
  342. Basics 03: Strings, Numbers and Calculation
  343. Build Tower Advanced
  344. Reverse Vowels In A String
  345. Swap Case Using N
  346. Rotate Array (JS)
  347. Uncollapse Digits
  348. Wave Sorting
  349. Disease Spread
  350. Sqrt approximation
  351. Simple Fun #23: Square Digits Sequence
  352. Rank Vector
  353. Begin your day with a challenge, but an easy one.
  354. The maximum and minimum difference -- Simple version
  355. Mysterious function
  356. Cycle a list of values
  357. Surrounding Primes for a value
  358. Killer Garage Door
  359. A String of Sorts
  360. Separate The Wheat From The Chaff
  361. Lucas numbers
  362. String tops
  363. Vowels Back
  364. How Many Reindeers?
  365. Convert integer to Whitespace format
  366. Padovan numbers
  367. Return 1, 2, 3 randomly
  368. Back and forth then Reverse!
  369. Only Duplicates
  370. Binary Tree Compare
  371. Numbers of Letters of Numbers
  372. Multiples of 3 and 5 redux
  373. Simple Fun #305: Typist
  374. Assemble string
  375. Happy numbers
  376. Sum of a Sequence [Hard-Core Version]
  377. Simple Fun #141: Hamming Distance
  378. Calculate Pyramid Height
  379. Car Number Plate Calculator
  380. File Path Operations
  381. Calculate the function f(x) for a simple linear sequence (Easy)
  382. String subpattern recognition I
  383. Cat Kata, Part 1
  384. The Lamp: Revisited
  385. Follow that Spy
  386. Three added Characters
  387. ASCII Fun #1: X- Shape
  388. Smallest Permutation
  389. Twin Prime
  390. Simple prime streaming
  391. Making Change
  392. SHA-256
  393. Points in the circle
  394. Simple Web Framework #1: Create a basic router
  395. Squares in a Rectangle
  396. Simple Fun #160: Cut The Ropes
  397. RNA to Protein Sequence Translation
  398. Determine the date by the day number
  399. Non-even substrings
  400. Find last Fibonacci digit [hardcore version]
  401. Moves in squared strings (IV)
  402. Numerical Palindrome #1.5
  403. Fun with lists: countIf
  404. Versions manager
  405. ASCII Fun #2: Funny Dots
  406. Jungerstein's Math Training Room: 1. How many zeros are at the end of n!! ?
  407. Find The Duplicated Number in a Consecutive Unsorted List - Tougher Version
  408. Common array elements
  409. Point in Polygon
  410. search in multidimensional array
  411. Sort odd and even numbers in different order
  412. Simple time difference
  413. Greatest Position Distance Between Matching Array Values
  414. Cumulative Triangle
  415. Thinkful - Logic Drills: Red and bumpy
  416. Check if two words are isomorphic to each other
  417. Bonuses
  418. Floating-point Approximation (I)
  419. Number , number ... wait LETTER !
  420. Complete The Pattern #8 - Number Pyramid
  421. Nested List Depth
  422. Make A Window
  423. Ordinal Numbers
  424. Consecutive Count
  425. Create a frame!
  426. Sort sentence pseudo-alphabetically
  427. Loneliest character
  428. Vowel Shifting
  429. Sequence classifier
  430. Checkered Board
  431. High score table
  432. Reducing by rules to get the result
  433. Alternating Loops
  434. Simple Fun #135: Missing Alphabets
  435. Yes No Yes No
  436. Pete, the baker (part 2)
  437. Odd/Even number of divisors
  438. Proof Read
  439. Master of Files
  440. Simple decrypt algo
  441. Simple square numbers
  442. Word Mesh
  443. Array Exchange
  444. SumFibs
  445. Midpoint Sum
  446. Generic numeric template formatter
  447. Prime factorization
  448. Simple Fun #15: Addition without Carrying
  449. Divisible Ints
  450. World Bits War
  451. Adding Binary Numbers
  452. Special Multiples
  453. Required Data I
  454. Ranking NBA teams
  455. Simple Fun #165: Withdraw
  456. Number of measurements to spot the counterfeit coin
  457. Find X
  458. Polybius square cipher - encode
  459. Plenty of Fish in the Pond
  460. Running Average
  461. Words to Hex
  462. Strongest even number in an interval
  463. PhoneWords
  464. Regex Tic Tac Toe Win Checker
  465. Pell Numbers
  466. Count the photos!
  467. String Suffixes
  468. Basics 06: Reversing and Combining Text
  469. Piano Kata, Part 2
  470. String searching with wildcard
  471. Inserting multiple strings into another string
  472. Reverse a singly-linked list
  473. Simple Fun #132: Number Of Carries
  474. Points On A Line
  475. Not prime numbers
  476. Address Book by State
  477. Ping-Pong service problem
  478. Fractions class
  479. Count Repeats
  480. Most profit from stock quotes
  481. Find the Nexus of the Codewars Universe
  482. Spelling Bee
  483. Sort Strings by Most Contiguous Vowels
  484. The Walker
  485. Linear Regression of Y on X
  486. Missing Alphabet
  487. Numerical Palindrome #4
  488. Binding within the List Monad
  489. Unknown amount of duplicates. One missing number.
  490. Keyword Cipher
  491. Linked Lists - Insert Sort
  492. Permutations and Dot Products
  493. Simple Fun #258: Is Divisible By 6
  494. What's Your Poison?
  495. I Liked the SQL Better...
  496. Simple nearest prime
  497. Convert ISBN-10 to ISBN-13
  498. Palindromic Numbers
  499. FIRE and FURY

Codewars Katas 5kyu

Katas de nivel 5.

  1. Moving Zeros To The End
  2. Simple Pig Latin
  3. Human Readable Time
  4. RGB To Hex Conversion
  5. The Hashtag Generator
  6. Rot13
  7. Directions Reduction
  8. Calculating with Functions
  9. Maximum subarray sum
  10. Extract the domain name from a URL
  11. Pete, the baker
  12. Product of consecutive Fib numbers
  13. First non-repeating character
  14. Scramblies
  15. Weight for weight
  16. Number of trailing zeros of N!
  17. Greed is Good
  18. String incrementer
  19. Not very secure
  20. Perimeter of squares in a rectangle
  21. PaginationHelper
  22. Primes in numbers
  23. A Chain adding function
  24. Can you get the loop ?
  25. Regex Password Validation
  26. Pick peaks
  27. Integers: Recreation One
  28. Sum of Pairs
  29. int32 to IPv4
  30. Count IP Addresses
  31. Last digit of a large number
  32. Memoized Fibonacci
  33. ROT13
  34. Tic-Tac-Toe Checker
  35. Gap in Primes
  36. Best travel
  37. What's a Perfect Power anyway?
  38. Mean Square Error
  39. Is my friend cheating?
  40. Beeramid
  41. Josephus Survivor
  42. Josephus Permutation
  43. Common Denominators
  44. Convert PascalCase string into snake_case
  45. Convert A Hex String To RGB
  46. ISBN-10 Validation
  47. Merged String Checker
  48. My smallest code interpreter (aka Brainf**k)
  49. Vector class
  50. Simple assembler interpreter
  51. Factorial decomposition
  52. Square Matrix Multiplication
  53. Lazy Repeater
  54. Snakes and Ladders
  55. Longest Common Subsequence
  56. Phone Directory
  57. Molecule to atoms
  58. (Ready for) Prime Time
  59. Simple Events
  60. Going to zero or to infinity?
  61. Find the unique string
  62. Base64 Encoding
  63. Find the smallest
  64. First Variation on Caesar Cipher
  65. Land perimeter
  66. Simple fraction to mixed number converter
  67. Diophantine Equation
  68. Did you mean ...?
  69. Buddy Pairs
  70. Luck check
  71. Least Common Multiple
  72. Decimal to Factorial and Back
  73. Help your granny!
  74. Caesar Cipher Helper
  75. John and Ann sign up for Codewars
  76. Esolang Interpreters #2 - Custom Smallfuck Interpreter
  77. flatten()
  78. The Clockwise Spiral
  79. Guess The Gifts!
  80. Play with two Strings
  81. Write out numbers
  82. Closest and Smallest
  83. Largest product in a series
  84. Largest Difference in Increasing Indexes
  85. k-Primes
  86. Return substring instance count - 2
  87. Blackjack Scorer
  88. Fun with trees: array to tree
  89. By the Power Set of Castle Grayskull
  90. The Hunger Games - Zoo Disaster!
  91. Some Egyptian fractions
  92. Airport Arrivals/Departures - #1
  93. Which x for that sum?
  94. Don't Drink the Water
  95. Probabilities for Sums in Rolling Cubic Dice
  96. Simple Fun #166: Best Match
  97. 80's Kids #6: Rock 'Em, Sock 'Em Robots
  98. Calculate Variance
  99. Secret knock
  100. Ninja vs Samurai: Attack + Block
  101. Matching And Substituting
  102. Rotate an array matrix
  103. Conway's Game of Life
  104. Finding an appointment
  105. Sort - one, three, two
  106. Consecutive k-Primes
  107. Battle ships: Sunk damaged or not touched?
  108. Metric Units - 1
  109. Sort arrays - 3
  110. Numbers that are a power of their sum of digits
  111. Coding with Squared Strings
  112. Street Fighter 2 - Character Selection - Part 2
  113. Resistor Color Codes, Part 2
  114. Mod4 Regex
  115. Simple string expansion
  116. Second Variation on Caesar Cipher
  117. Tongues
  118. Fibo akin
  119. validDate Regex
  120. Don't Eat the Last Cake!
  121. Interleaving Arrays
  122. Conway's Look and Say - Generalized
  123. Fibonacci Streaming
  124. Bird Mountain
  125. Find heavy ball - level: master
  126. Binary Tree Traversal
  127. Poker cards encoder/decoder
  128. Alphabet wars - nuclear strike
  129. 1's, 0's and wildcards
  130. Prime number decompositions
  131. Emirps
  132. Mongodb ObjectID
  133. Mystery function #1
  134. Connect 4
  135. Basic DeNico
  136. Car Park Escape
  137. Paginating a huge book
  138. Bowling score calculator
  139. Linked Lists - Alternating Split
  140. Is the King in check ?
  141. All that is open must be closed...
  142. Convert all the cases!
  143. The Fruit Juice
  144. ASCII85 Encoding &amp; Decoding
  145. How Many Numbers? II
  146. Fun with trees: is perfect
  147. Pascal's Diagonals
  148. Value of x
  149. A Man and his Umbrellas
  150. RoboScript #2 - Implement the RS1 Specification
  151. Sierpinski's Gasket
  152. Morse Encoding
  153. Simple CSS selector comparison
  154. Vigenère Autokey Cipher Helper
  155. First n Prime Numbers
  156. Base64 Numeric Translator
  157. Sum of (Two) Squares
  158. Evaluate a postfix expression
  159. Only-Readable-Once list
  160. Calculate Fibonacci return count of digit occurrences
  161. Sum and Rest the Number with its Reversed and See What Happens
  162. Basic Nico variation
  163. Zonk game
  164. Mixbonacci
  165. count '9's from 1 to n
  166. Grab CSV Columns
  167. Alphabet war - Wo lo loooooo priests join the war
  168. Square sums (simple)
  169. Efficient Power Modulo n
  170. Game - Electrons around the cores
  171. Knapsack Part 1 - The Greedy Solution
  172. Simple number sequence
  173. Missing number in Unordered Arithmetic Progression
  174. Ninety Nine Thousand Nine Hundred Ninety Nine
  175. Binary search tree validation
  176. Tree to list
  177. Let's Play Darts!
  178. Base -2
  179. Compute the Largest Sum of all Contiguous Subsequences
  180. Scraping: Codewars Top 500 Users
  181. Primes with Even Digits
  182. Histogram - V1
  183. Readability is King
  184. Linked Lists - Front Back Split
  185. Bananas
  186. uniq -c (UNIX style)
  187. Iterative Rotation Cipher
  188. Vector Class
  189. Euler's method for a first-order ODE
  190. URL shortener
  191. Simple Encryption #2 - Index-Difference
  192. Simultaneous Equations - Three Variables
  193. Typoglycemia Generator
  194. 1-800-CODE-WAR
  195. Scraping: Get the Year a CodeWarrior Joined
  196. Soundex
  197. Unique digits sequence
  198. Rule 30
  199. Longest sequence with zero sum
  200. Packing your backpack
  201. The maximum sum value of ranges -- Challenge version
  202. Sections
  203. String -> N iterations -> String
  204. All Star Code Challenge #19
  205. ■□ Pattern □■ : Zoom
  206. Bob's reversing obfuscator
  207. Weird prime generator
  208. Break the Caesar!
  209. N00bify - English to n00b Translator
  210. Church Booleans
  211. [Geometry A-1] Locate point - to the right, to the left or on the vector?
  212. Simple Finite State Machine Compiler
  213. Ookkk, Ok, O? Ook, Ok, Ooo!
  214. Bulk up!
  215. Simple Encryption #4 - Qwerty
  216. Swap Node Pairs In Linked List
  217. The Road-Kill Detective
  218. Hamster me
  219. Integer to English
  220. #9 Matrices: Adding diagonal products
  221. Mean without outliers
  222. Esoteric Language: 'Poohbear' Interpreter
  223. Find heavy ball - level: ubermaster
  224. Binary Search Trees
  225. A Simple Music Encoder
  226. Numbers and its Reversal Having Same Prime Factors.
  227. Rotate a square matrix like a vortex
  228. Binary Contiguous Array
  229. Elementary Arithmetic - Carries Count
  230. Escape with your booty!
  231. Shuffle It Up
  232. Ant Bridge
  233. Domain name validator
  234. Dots and Boxes Validator
  235. Numbers with The Highest Amount of Divisors
  236. Integer triangles
  237. Tracking Hits for Different Sum Values for Different Kinds of Dice
  238. Around Fibonacci: chunks and counts
  239. The Wrong-Way Cow
  240. Reverse Inside Parentheses (Inside Parentheses)
  241. Esolang: Ticker
  242. Formula 1 Race
  243. Find the Word Pair!
  244. Simple Fun #358: Vertical Histogram Of Letters
  245. Card Game
  246. Would you believe... Talk like Siegfried
  247. Transformation of a Number Through Prime Factorization
  248. Range of Integers in an Unsorted String
  249. Four Letter Words ~ Mutations
  250. Identifying Top Users and their Corresponding Purchases On a Website
  251. TV Remote (symbols)
  252. Simple Fun #81: Digits Product
  253. Penalty for speeding
  254. Simple Fun #206: Factorial Digits
  255. Phone numbers
  256. Complete Binary Tree
  257. Langton's ant
  258. Processes
  259. Sports League Table Ranking
  260. Maximum Subarray Sum II
  261. Esolang: Stick
  262. Sequence of Power Digits Sum
  263. The maximum and minimum difference -- Challenge version
  264. Sorting Arrays by the Amount of Perfect Squares that Each Element May Generate
  265. Prime Sextuplets
  266. A Bubbly Programming Language
  267. Operations on sequences
  268. Hungry Hippos
  269. When The Sum of The Divisors Is A Multiple Of The Prime Factors Sum
  270. Check that the situation is correct
  271. Simple Fun #337: The Original Number
  272. Simple parenthesis removal
  273. Esolang: InfiniTick
  274. Binary Tree Serpentine Traversal
  275. Simple Fun #178: Faulty Odometer
  276. Rotate a square matrix in place
  277. Interlaced Spiral Cipher
  278. Challenge Fun #14: Target Game
  279. Minimum path in squares
  280. field chained HTML formatting
  281. Python's Dynamic Classes #3
  282. Euler Totient Function
  283. Build a quadratic equation
  284. Find the safest places in town
  285. Tic-Tac-Toe (3D)
  286. Cockroach Bug Scatter
  287. WordSquare
  288. Biggest Sum
  289. Traffic Lights - multiple cars
  290. Data mining #1
  291. Nut Farm 2
  292. Max Collatz Sequence Length
  293. myjinxin katas #001 : Rotate, Remove, Return
  294. Conways game of life on a toroidal array
  295. Give The Biggest Prime Factor And The Biggest Divisor Of A Number
  296. Generating Numbers From Prime Factors I
  297. Sat Nav directions
  298. Mastermind
  299. Working With Coloured Numbers
  300. US Postal Codes
  301. My Very Own Python's Split Function
  302. Excel's COUNTIF, SUMIF and AVERAGEIF functions
  303. Pigs in a Pen
  304. Find the Partition with Maximum Product Value
  305. Calculate the derivative of a polynomial
  306. Python Reflection: Disassembling the secret
  307. Palindrome integer composition
  308. Squarefree Part of a Number
  309. The longest bracket substring in the string
  310. Simple Fun #335: Two Programmers And Gold
  311. Simple Fun #26: Weak Numbers
  312. Simple Fun #333: Incomplete Virus
  313. Barista Manager
  314. Regex for Gregorian date validation
  315. RPG dice roller
  316. Simple Fun #167: Spreadsheet
  317. City Swim - 2D (TowerFlood And PlainFlood)
  318. Simple Fun #53: Combs
  319. A Brave New Wordle
  320. Simple Fun #299: Look And Say And Sum
  321. Fizz Buzz (with restrictions)
  322. Find Nearest Fibonacci Number
  323. Hex Dump
  324. Now that's a crib!
  325. Haiku Checker
  326. Vowel Alternations
  327. Cycle Detection: Floyd's The Tortoise and the The Hare
  328. Multi Line Task: Hello World (Easy one)
  329. Adding words - Part II
  330. Become The Ultimate Phychic
  331. Ziggurat Ride of Fortune
  332. Distinct contiguous elements in every window of size k
  333. LZ78 compression
  334. Simple Fun #89: Boxes Packing
  335. Minimum number of taxis
  336. Find All the Possible Numbers Multiple of 3 with the Digits of a Positive Integer.
  337. Brainscrambler - Esoteric programming #3
  338. Rectangle into Rectangles
  339. Translate DNA in 6 frames
  340. Simple Fun #220: Simplified Array
  341. Simple Fun #211: Frog's Jumping
  342. Sorting Poker
  343. Features of a Given Array
  344. Minimum unfairness of a list/array
  345. Choose featured projects for Gratipay's homepage!
  346. Precise fractions pt. 1 - basics
  347. Count the Domain Names
  348. Ratio of Bouncy Numbers
  349. The Hunger Games - Foxes and Chickens (Poison)
  350. @validate_args
  351. Simple Fun #273: Powerset
  352. Connecting Values
  353. Simple Fun #188: Slogans
  354. Simple Fun #155: Pac-Man
  355. Keep it short (with restrictions)
  356. Pattern Generator
  357. Crossword Puzzle! (2x2)
  358. Reversi row rudiments
  359. Ordering Beers in Poland
  360. Traffic Jam
  361. Diagonals
  362. Splitting the Workload (part I)
  363. Elo rating - one game, one pair
  364. The &quot;CROTCH KICK OR BLOCK&quot; kata
  365. T.T.T.57: Reverse a number
  366. Chameleon unity
  367. Largest rectangle in background
  368. Calculate the expression
  369. Finding the Closest Maximum Values of a Function to an Upper Limit
  370. Divide and maximize
  371. self_converge
  372. Function Addition
  373. Complete the triangle pattern
  374. Valid Chess Moves
  375. Max sum path
  376. Easy Cyclist's Training
  377. Subsequence Product Sum
  378. Solve the Grid! Binary Toggling Puzzle
  379. Getting along with Bernoulli's numbers
  380. Simple Fun #125: Array Equalization
  381. Help Suzuki pack his coal basket!
  382. The Bee
  383. Krazy King Blackjack
  384. Dynamic Programming #1: Shortest Path in a Weighted DAG
  385. Simple Fun #44: Three Split
  386. Self-closing Cookie Jar
  387. Wood Cut
  388. Simple Fun #127: Prime Operations
  389. Endianness Conversion
  390. Flotsam
  391. The Primes as a Result of the Longest Consecutive Sum I
  392. Pandigital Sequence
  393. Car Rental Business Needs Statistics and Programming
  394. Simple Fun #339: Maximum Product 2
  395. The Sum and The Rest of Certain Pairs of Numbers have to be Perfect Squares (more Challenging)
  396. License Plate Recognition
  397. Simple Fun #389: The Order Of Ribbons
  398. Cheating a bit...
  399. Solve For X
  400. Regex matching all positive numbers below n
  401. Following the Paths of Numbers Through Prime Factorization
  402. Integer Right Triangles
  403. Funnel Out A String
  404. The Binary Binary Expansion
  405. Simple Fun #118: Sum Or Product
  406. Combining predicates
  407. Master your primes: sieve with memoization
  408. Fixed-length integer partitions
  409. Building a Sequence Cocatenating Digits with a Given Order.
  410. Chess Fun #9: Bishops And Rooks
  411. Roman numerals, Zeroes and Fractions
  412. Loose Change (Part 2)
  413. Removing Internal Vertices
  414. Geohashing
  415. Digits
  416. Additive Numbers
  417. Rearrangement of Numbers to Have The Minimum Divisible by a Given Factor
  418. Tri-Bicolor Tiling
  419. Subarrays with an odd number of odd numbers
  420. Topological Image Processing: 4-Connected Components
  421. Closest Neighbouring Points I
  422. Mirrored Exponential Chunks
  423. Intro to Statistics - Part 1: A Five figure summary
  424. Probable Prime or Composite (Much bigger primes)
  425. Kata 2019: Bonus Game I
  426. One Line Task: Diamond Creator Pro
  427. The Hunger Games - Shut the gate
  428. Check the status of the generator expression
  429. Snake Collision
  430. Simple Fun #357: Show The Digits
  431. Playing with Sandpiles
  432. Eight ways to iterate over table
  433. Letterss of Natac
  434. Primitive Pythagorean Triples
  435. Subsequence Sums
  436. Operator Insertion
  437. Word Search Grid
  438. Light Switch
  439. Simple Fun #272: Throwing Dice
  440. Optimized Pathfinding Algorithm
  441. A Challenging Sequence.
  442. Minus 1: is divisible?
  443. Trees to Parentheses, and Back
  444. Simple Fun #123: DPC Sequence
  445. Context manager decorator
  446. Find the Most Probable Sum Value or Values, in Rolling N-dice of n Sides
  447. Simple RSA Implementation
  448. Reversed Self Power
  449. What’s the degree?
  450. Secret Agent Time Travel Calculations
  451. Find the Longest Increasing or Decreasing Combination in an Array
  452. Pandigital Powers
  453. Word Wrap
  454. Department scheduler [simple]
  455. A Scandal in Bohemia
  456. Primes in the Last Digits of Huge Numbers
  457. Multisize Nonogram Encoder
  458. Binary Simulation
  459. Map and Filter to Get a Special Sequence of Integers
  460. MONTE CARLO 3D
  461. Positions of a substring in a string
  462. Is this a good batch of stout? (Student's t test)
  463. Program hangs!
  464. Minimum and Maximum Product of k Elements - Advanced
  465. RegEx Like a Boss #4 CodeGolf : Prime length
  466. Ulam Sequences (performance edition)
  467. Cryptic Cave: Episode 1
  468. Card-Chameleon, a Cipher with Playing Cards
  469. T.T.T.56: Make a monthly calendar board
  470. Combinations in a Set Using Boxes
  471. Codewars API
  472. Compression : impossible
  473. Sort a massive list of strings (hard)
  474. Recovering from a Disk Crash - Reverse Engineering Some Lost Code!
  475. Refactor a node-based calculator (DRY)
  476. Devil's Sequence
  477. Unusual Cipher
  478. Constrained GCD
  479. Hofstadter's Figure-Figure sequence
  480. Wimbledon Scoreboard - Game
  481. Circles: Count the Circles Having a Given Internal Point.
  482. Closest Neighbouring Points II
  483. NxN Connect X
  484. The Dots and Parentheses
  485. Fouriest transformation
  486. 100 prisoners and a light bulb
  487. Prime Ant - Performance Version
  488. Simple Fun #112: Array Erasing
  489. Simple Fun #139: Black And White
  490. Prime Grasshopper
  491. Number of integer partitions with distinct parts
  492. Function Algebra
  493. Happy Numbers (performance edition)
  494. Challenge Fun #13: First Operation Character
  495. Logic Detective
  496. Rudimentary Pivot Table
  497. Pyramide d'Azkee
  498. String generation by pattern
  499. Best place at concert
  500. Equivalent Dice
  501. T.T.T.38: The sum of each digits
  502. Multiples of some primes
  503. [St]arting [St]ring
  504. Lambda Calculus: Lists
  505. Fix the pipes
  506. Roguelike game 1 - stats and weapon
  507. Lunar Drilling Operation
  508. Directory tree
  509. Chess position parser (FEN)
  510. Blobservation 2: Merge Inert Blobs
  511. Graphics Series #3: Repair the LED display
  512. [Geometry B -1] Point in a triangle?
  513. Number of players for knockout/round-robin hybrid contest (easy mode)
  514. QR-Code Message Encoding
  515. Counting the Webdesigns based on Used Colours
  516. Z-algorithm
  517. A self-descriptive fractal sequence
  518. Graph-like Sequence
  519. Lambda Calculus: Lists as folds I
  520. Readable Specification Pattern
  521. Right Truncatable Harshad numbers
  522. Limited number of instances
  523. Dating with hypergamy
  524. Simple Fun #134: Fix Progression
  525. Function Overloading for Types
  526. Folding a cube
  527. Hack the NSA
  528. Recamán Sequence Sum
  529. Cricket Scores
  530. Bouncy Numbers with N Digits
  531. Wristband Patterns
  532. Stable Weight Arrangement
  533. Probability to Win an Infinite Tennis Game
  534. Recursive Floor Sequence
  535. Underload Interpreter
  536. Odd-Even Compositions
  537. Fix arithmetic progression
  538. What Would They Have in Common?
  539. The &quot;AA&quot; Number Notation
  540. AdFly Encoder and Decoder
  541. Combination Lock
  542. Constructing polynomials
  543. Simple Fun #314: Lucky Candies
  544. Find Out the Number of Gold Coins!
  545. Boxes in boxes
  546. Train of dominoes
  547. Find the most adjacent integers of the same value in a grid
  548. Crazy rabbit
  549. Binary relation optimization
  550. Spreadsheet Cell Name Conversions
  551. Pig Game
  552. Dobble: Identify the missing cards
  553. Convergents of e
  554. Family Tree - Ancestors
  555. 3-2-1 Fire!
  556. (Insane) N Warriors and a Lamp
  557. Word Spiral
  558. Primes with Two, Even and Double Even Jumps
  559. Chess Fun # 13 : RegEx Like a Boss #1 : Valid Pawn Moves
  560. Gnomes and Hats: A Horror Story
  561. Three-valued logic
  562. Knights
  563. Math expression [HARD][CODE-GOLF]
  564. Generate Numbers From Digits #2
  565. Sudoku board validator - Code Golf
  566. The Big Guy and The Bagman
  567. How many strings use all symbols of a given alphabet at least once
  568. Checkerboard King Combo Move
  569. Water pouring problem
  570. Working With Coloured Numbers II
  571. Total Primes - Advanced Version
  572. Langton's Ant - Advanced Version
  573. Transposing Guitar Tabs
  574. Determine Results of Pole Vault Competition
  575. Simple cluster analysis
  576. Electron configuration of chemical elements
  577. Happy traveller [#2]
  578. Arithmetic Expression Placeholders
  579. Lattice Paths, But...?
  580. Smallest Multiple of 1 to n
  581. Array with distance of N
  582. Randonneuring control calculator
  583. Crontab Parser
  584. Mistaking a forest for a tree
  585. Minimum number of moves
  586. Little PL/SQL parser - get text literals
  587. ASCII Mandelbrot Set
  588. Subsequence Sums II
  589. Next Higher Value # 1
  590. From Traversals to Tree
  591. Wordle! Cheat bot
  592. Find the nth Term of a Sequence
  593. Almost Isosceles Integer Triangles With Their Angles With Asymptotic Tendency
  594. Recursive ASCII Fractals
  595. Dependable Jobs Schedule
  596. Cliff Jumping
  597. Integer Triangles Having One Angle The Double of Another One
  598. Approximate Solution of Travelling Salesman Problem
  599. Checkout Line Pricing
  600. Teknonymy
  601. Smoke Signals
  602. Ways from one number to another
  603. Prime Path Finder
  604. Render the Code Golf Champions
  605. Longest Subarray with Maximum Average Value
  606. The Doppelganger Enigma
  607. Cargo-Bot Interpreter
  608. Real World Applications of Sqrton
  609. Following Sierpinski's Footprints
  610. The Rubik's Cube
  611. Extreme Hat Game
  612. Socialist distribution (performance edition)
  613. Configurations of White and Black Knights on a 3x3 chessboard
  614. Lisp-esque parsing [Code Golf]
  615. Let's Play Darts: Beat The Power!
  616. Cheyenne Wigwam
  617. Elevator malfunctioning
  618. Give me the Corresponding Proper Fraction!
  619. Combinations in a Set Using Boxes II
  620. Pair 'em Up
  621. Hat Game 2
  622. Count The Hits Adding Contiguous Powers!
  623. The Simple Game
  624. Find the Missing Number using NAND
  625. Infinite continued fractions
  626. Next Higher Value #2
  627. Football Season
  628. Spreading Spores Graph
  629. Chain Reaction - Minimum Bombs Needed
  630. Expand Absolute Values
  631. Centered Polygonal Number
  632. NegaFibonacci representation
  633. Multidimensional Neighbourhood
  634. Sokoban re-solver : level recovery from solution
  635. Propositional SAT Problem
  636. Synthesize Boolean Functions From Examples
  637. 🧬Cooking life on Proto Earth🌎
  638. Reflecting Light V2
  639. Castle of Cubes
  640. Kata 2019: Bonus Game II
  641. Perfect Binary Tree Traversal: BFS to DFS
  642. Roman Army Formations: Contubernium
  643. Take Down Codewars!
  644. Break Caesar cipher variation : PNG image
  645. Amoeba: Blind Maze
  646. Draw the borders I - Simple ascii border
  647. Coping with NP-Hardness #3: Finding the Minimum Hamiltonian Cycle
  648. Getting the Letter with Tail
  649. Random sampling in constant time
  650. &quot;Dual Numbers&quot; and &quot;Automatic&quot; (nth) Derivatives
  651. Jump to zero (Subtask 4)
  652. Polyomino symmetry
  653. Windmill Cycle
  654. Play Nerdle - It's Wordle for Calculations
  655. The Trapped Odd Knight
  656. Buying the Farm : Irrigation
  657. 2D Cellular Automata [Code Golf]
  658. Draw the borders II - Fast and furious

Codewars Katas 4kyu

Katas de nivel 4.

  1. Human readable duration format
  2. Snail
  3. Range Extraction
  4. Strip Comments
  5. So Many Permutations!
  6. Sum Strings as Numbers
  7. Sum of Intervals
  8. Next bigger number with the same digits
  9. The observed PIN
  10. Roman Numerals Helper
  11. Most frequently used words in a text
  12. Strings Mix
  13. Twice linear
  14. Nesting Structure Comparison
  15. Matrix Determinant
  16. Sum by Factors
  17. Pyramid Slide Down
  18. parseInt() reloaded
  19. Recover a secret string from random triplets
  20. Catching Car Mileage Numbers
  21. Codewars style ranking system
  22. Decode the Morse code, advanced
  23. Sort binary tree by levels
  24. Hamming Numbers
  25. Square into Squares. Protect trees!
  26. Next smaller number with the same digits
  27. Counting Change Combinations
  28. Validate Sudoku with size 'NxN'
  29. Path Finder #1: can you reach the exit?
  30. Explosive Sum
  31. Vigenère Cipher Helper
  32. Find the unknown digit
  33. Magnet particules in boxes
  34. Text align justify
  35. Binary multiple of 3
  36. Smallest possible sum
  37. A Simplistic TCP Finite State Machine (FSM)
  38. Conway's Game of Life - Unlimited Edition
  39. All Balanced Parentheses
  40. Connect Four
  41. Simple Fun #27: Rectangle Rotation
  42. Simplifying multilinear polynomials
  43. Number of Proper Fractions with Denominator d
  44. Breadcrumb Generator
  45. Path Finder #2: shortest path
  46. Shortest Knight Path
  47. Simple Fun #159: Middle Permutation
  48. How many numbers III?
  49. 4 By 4 Skyscrapers
  50. Ten-Pin Bowling
  51. Boggle Word Checker
  52. Befunge Interpreter
  53. The Greatest Warrior
  54. Getting along with Integer Partitions
  55. Ranking Poker Hands
  56. Count ones in a segment
  57. Factorial tail
  58. Differentiate a polynomial
  59. Esolang Interpreters #3 - Custom Paintf**k Interpreter
  60. Infix to Postfix Converter
  61. Currying vs. Partial Application
  62. Longest Common Subsequence (Performance version)
  63. One Line Task: Squirrel And Tree
  64. Instant Runoff Voting
  65. Regular expression for binary numbers divisible by 5
  66. Sums of Perfect Squares
  67. Algebraic Lists
  68. Burrows-Wheeler-Transformation
  69. Total increasing or decreasing numbers up to a power of 10
  70. Number of integer partitions
  71. Social Golfer Problem Validator
  72. Mystery Function
  73. Route Calculator
  74. Find all possible number combos that sum to a number
  75. Memoized Log Cutting
  76. The learning game - Machine Learning #1
  77. Find the nth Reverse Number (Extreme)
  78. Chinese Numeral Encoder
  79. The fusc function -- Part 2
  80. T.T.T.#2: Equal to 24
  81. SKRZAT!!!
  82. Decimal to any Rational or Irrational Base Converter
  83. NIM the game
  84. RoboScript #3 - Implement the RS2 Specification
  85. Brainfuck Translator
  86. Simple maze
  87. Escape the maze
  88. One Line Task: Palindrome String
  89. Elemental Words
  90. Simple Memory Manager
  91. Great Total Additions of All Possible Arrays from a List.
  92. Longest Palindromic Substring (Linear)
  93. Counting inner calls in an unknown function.
  94. Path Finder #4: where are you?
  95. Largest Numeric Palindrome
  96. Polydivisible Numbers
  97. Last digits of N^2 == N
  98. Simplexer
  99. Organize a Round-robin tournament
  100. Church numbers
  101. Square and Cube of a Number Become Prime When Reversed
  102. 5x5 Nonogram Solver
  103. Exponentials as fractions
  104. Tracking pawns
  105. Coloured Lattice Points Forming Coloured Triangles
  106. Can you really count divisors?
  107. Sortable Poker Hands
  108. Counting String Subsequences
  109. Don't give me five! Really!
  110. Big Big Big Padovan Number
  111. BasE91 encoding &amp; decoding
  112. Stack Arithmetic Machine
  113. N Linear
  114. Block sequence
  115. Simple Fun #148: Exchange Sort
  116. Permutational Primes
  117. Compute a convex hull
  118. Trailing zeros in factorials, in any given integer base
  119. Simple Fun #119: Sub Sets Parity
  120. Lazy Init
  121. Create a funnel
  122. One Line Task: Zero Or One
  123. Count Squares In the Chess Board
  124. String -> X-Iterations -> String
  125. N queens puzzle (with one mandatory queen position)
  126. Alphabet wars - trench assault
  127. Lowest base system
  128. Helpers For a 3DGame I: Biggest Triangle in a Sphere
  129. Regular Expressions (groups): Splitting phone numbers into their separate parts.
  130. Unflatten a list (Harder than easy)
  131. Generic number class
  132. Greedy thief
  133. Bernoulli numbers
  134. N queens problem (with no mandatory queen position)
  135. Bird Mountain - the river
  136. Spinning Rings - Fidget Spinner Edition
  137. Remember members decorator
  138. Solving a puzzle by matching four corners
  139. Repetitive Sequence - Easy Version
  140. Mahjong - #1 Pure Hand
  141. Top Down Movement System
  142. Hide a message in a deck of playing cards
  143. Dynamic Connectivity
  144. Tower Defense: Risk Analysis
  145. Space Invaders Underdog
  146. Grazing Donkey
  147. Undirected weighted graph
  148. Associative Operation on Range
  149. Spaghetti Code - #2 Hard
  150. A Knight's Tour
  151. Bribe the Guards of the Crown Jewels
  152. Convex hull area
  153. Multiply to 'n'
  154. We are Family
  155. Almost Everywhere Zero
  156. Find Product Partitions With Maximum or Minimum Score
  157. Linear Equation Solver
  158. Four Color Theorem (Easy Version)
  159. Area of House from Path of Mouse
  160. Dithering
  161. Tournament Cross Table with Sonneborn-Berger Score
  162. Dice rolls threshold
  163. SPF Russia
  164. Domino Tiling - 2 x N Board
  165. Complete the photo pattern
  166. Cracking the Vigenère cipher, step 1: determining key length
  167. Multiplying Polynomials
  168. Calculate k-th digit of π (Pi)
  169. Insane Increasing or Decreasing Numbers
  170. The smallest number with a given number of divisors
  171. Bad Exception Handling
  172. Splitting the Workload (part II)
  173. Superheroes Convention #1 Pandemic
  174. Create the QR-Code
  175. Bridge Puzzle
  176. Elementary conveyor
  177. Topology #0: Converging Coins
  178. Touchdown?
  179. Mountain map
  180. Queue Battle
  181. Big Generalized Fibonacci numbers
  182. Strongly connected components
  183. Balanced parentheses string
  184. Data mining #2
  185. Beggar Thy Neighbour
  186. Zombie Apocalypse: the Last Number Standing
  187. Egg Drops
  188. Counting diamonds
  189. Shallowest path across the river
  190. Python Recipes #1 : Function Overloading
  191. Product-Sum Numbers
  192. The Bubbly Interpreter
  193. RPG Simulator - Defeat the Demon Lord! [Part 1]
  194. Set Closure Generator
  195. n^k summation
  196. Bezier Curves
  197. The fibfusc function -- Part 2
  198. 'Magic' recursion call depth number
  199. Matunga coins
  200. Hypercube Lists
  201. Maximum clique
  202. Circular Limited Sums
  203. Domino Tiling - 3 x N Board
  204. Connect Letters
  205. I hate business trips
  206. Numbers with Collatz Starting Patterns
  207. Evil genius game - Find the moving chess piece while blindfolded
  208. Snake Cube Solver
  209. Snafooz solver
  210. Domino Tiling - 5 x 2N Board
  211. Bridge the Islands
  212. Palindrome Counter
  213. Challenge Fun #20: Edge Detection
  214. Shortest Knight Path(Infinite Chessboard)
  215. Advanced binary toggling puzzle
  216. Domino Tiling - 2 x N Board -- Challenge Edition!
  217. Right truncatable primes in a given base
  218. Squaredle solver
  219. Next polydivisible number in any base
  220. Implementing SHA-1
  221. Stepping Stones Puzzle
  222. N-th Integer Containing the Digit 1
  223. Golf [Code Golf]
  224. Spidey Swings Across Town
  225. Web Polygons
  226. Nelson the Number Theorist
  227. Gymbro's Unique Gym - Weight Calculator
  228. Pick Until Match
  229. Peg Solitaire
  230. Happy Numbers. Another performance edition.
  231. Mega Connect 4

Codewars Katas 3kyu

Katas de nivel 3.

  1. Battleship field validator
  2. Make a spiral
  3. Sudoku Solver
  4. The Millionth Fibonacci Kata
  5. Rail Fence Cipher: Encoding and Decoding
  6. Last digit of a huge number
  7. Alphabetic Anagrams
  8. Binomial Expansion
  9. Help the general decode secret enemy messages.
  10. Screen Locking Patterns
  11. Prime Streaming (PG-13)
  12. The Lift
  13. Path Finder #3: the Alpinist
  14. Esolang Interpreters #4 - Boolfuck Interpreter
  15. How many are smaller than me II?
  16. Fabergé Easter Eggs crush test
  17. Huffman Encoding
  18. Closest pair of points in linearithmic time
  19. Texas Hold'em Hands
  20. GET TO THE CHOPPA!
  21. Hard Sudoku Solver
  22. The builder of things
  23. The boolean order
  24. N-Parasitic Numbers Ending in N
  25. Centre of attention
  26. Total area covered by rectangles
  27. Papers, Please
  28. Line Safari - Is that a line?
  29. Plants and Zombies
  30. Stargate SG-1: Cute and Fuzzy (Improved version)
  31. RoboScript #4 - RS3 Patterns to the Rescue
  32. Simplifying
  33. Find the cheapest path
  34. Count Connectivity Components
  35. Battleship field validator II
  36. Bloxorz Solver
  37. Alphametics Solver
  38. Fix the pipes - #2 - is it leaking?
  39. Blobservation
  40. Breaking the Vigenère Cipher
  41. Upside-Down Numbers - Challenge Edition
  42. Metaclasses - Simple Django Models
  43. Type Transpiler
  44. Fluid Volume of a Heightmap
  45. Switch the Bulb--Play game Series #10
  46. One line task: Is the King in check ?
  47. Mahjong - #2 Seven-pairs
  48. Permutation-free Strings
  49. Unique digit sequence II - Optimization problem
  50. Wrap a cube with paper nets
  51. Knight's Attack!
  52. Insane Tri-Bicolor Tiling
  53. Minimal Cost Binary Search Trees
  54. Rummy: Find Lowest Scoring Hand
  55. Prime counting
  56. Escape!
  57. Insane Circular Limited Sums
  58. Reversi Win Checker
  59. The Little Typer: Values, Functions and Currying
  60. The smallest n such that n^n mod m = 0
  61. Topology #0.1: Converging Coins (Performance edition)
  62. Totally Good Permutations
  63. Prime Ant - Crazy Version
  64. Abstraction elimination
  65. No More 5's, Ever
  66. Broken 7-segment display - challenge edition
  67. My favorite number is III, so...
  68. A giant Carmichael number
  69. The treasure in the Toroid [Code Golf]