List of Python Kata to Update - codewars/content-issues GitHub Wiki

NOTE: Simply remove the kata from the list after updating.

Python 3.11

This section lists kata that failed to update to Python 3.11 from 3.10 automatically.

  1. Calculate Fibonacci return count of digit occurrences
  2. [Code Golf] blue ball counter
  3. Area of House from Path of Mouse
  4. Around Fibonacci: chunks and counts
  5. Big Big Big Padovan Number
  6. Big Factorial
  7. Big Generalized Fibonacci numbers
  8. Byte me!
  9. Calculate k-th digit of π (Pi)
  10. Convergents of e
  11. Data mining #2
  12. Fabergé Easter Eggs crush test
  13. Fib Factorials
  14. Fibonacci Reloaded
  15. fibonacci with a broken interpreter
  16. How many double digits?
  17. I said the word WOULD instead of WOULDN'T
  18. Last digits of N^2 == N
  19. Matrix Exponentiation
  20. Micro Optimization: Digit Sum
  21. Number Decoding
  22. Numbers with this digit inside
  23. Pack Some Chocolates
  24. Pandas Series 103: Filter Rows From DataFrames That Don't Satisfy Condition
  25. Perimeter of squares in a rectangle
  26. pipi Numbers!
  27. Planning a city quarantine
  28. Prime Sextuplets
  29. Primes with Even Digits
  30. Reverse a singly-linked list
  31. Shuffle It Up
  32. Shuffle It Up II
  33. Something similar to RokuLiuYeoseot- Nacci
  34. Squares sequence
  35. Sum of all numbers with the same digits (performance edition)
  36. Sum of certain products II
  37. The Primes as a Result of the Longest Consecutive Sum I
  38. Time Is Money (number of operations)
  39. Turn any word into a beef taco
  40. Validate FEN notation
  41. Web Polygons
  42. Wordle! Cheat bot

Python 3.10

This section lists kata that failed to update to Python 3.10 or 3.11 automatically.

  1. Create a one-liner FTP client with the ftplib
  2. Find Ends of Each Paths
  3. Integer Triangles Having One Angle The Double of Another One
  4. Matunga coins
  5. Primitive Pythagorean Triples
  6. The Messenger's Oracle
  7. Zombie Apocalypse: the Last Number Standing

Test Framework

This section lists Python kata without @test.it in submission tests. This doesn't prevent Python 3.8 upgrade, but we'll be able to make the test framework behave less awkwardly if we can update all kata to the new syntax.

  1. "I said: Count them", not "Produce them"- The Instructor has spoken.
  2. (L33T + Grεεκ) Case
  3. (m, k)-Perfect Number
  4. [Code War] The Weapon Factory: Assembly Line
  5. [Geometry A-1.1] Modify point location detector to handle zero-length vectors and precision errors DRY(https://www.codewars.com/kata/5550f37131caf073b8000025/python)
  6. [Geometry A-1] Locate point - to the right, to the left or on the vector?
  7. [Geometry A-3] Does point belong to the vector? DRY(https://www.codewars.com/kata/554e5ef27daf4082f6000071/python)
  8. [Geometry B -1] Point in a triangle?
  9. [Minecraft Series #2] Minimum amount of fuel needed to get some iron ingots
  10. # 2 Sequences: Pure Odd Digit Perfect Cubic (P.O.D.P.C)
  11. # Counting 1: I Want Some Subsets, Not All!
  12. #02 - Music Theory - Validate rhythm
  13. #1 Sequences: Pure Even Digit Perfect Squares (P.E.D.P.S)
  14. #1 Strings: Find The Longest Substring and Required Data.
  15. #10 Matrices: Creating Hankel Matrices
  16. #3 Matrices: Rearrange the matrix
  17. #4 Matrices: Process for a Square Matrix
  18. #5 Matrices: Sort The Matrix
  19. #6 Matrices: How Many Matrices Do These Elements Produce?
  20. #7 Matrices: Focused on the Contour
  21. #8 Matrices: Up and Down Sorting For Each Column
  22. 2 Arrays 1 Sort
  23. 21 Sticks
  24. 2D / 1D array coordinates mapping
  25. 2D Cellular Neighbourhood
  26. 2D Cellular Neighbourhood - Part 2
  27. 2D list by the sequential integers
  28. 2D Vector Mapping
  29. 3-2-1 Fire!
  30. 3D Cellular Neighbourhood
  31. 3D Sudoku Builder (a.k.a. multisize skyscraper puzzle)
  32. 4 By 4 Skyscrapers
  33. 5x5 Nonogram Solver
  34. 8 towers
  35. 80's Kids #1: How Many Licks Does it Take?
  36. 80's Kids #2: Help ALF Find His Spaceship
  37. 80's Kids #4: Legends of the Hidden Temple
  38. 80's Kids #5: You Can't Do That on Television
  39. 80's Kids #6: Rock 'Em, Sock 'Em Robots
  40. 80's Kids #7: She's a Small Wonder
  41. 8kyu interpreters: HQ9+
  42. A Crazy Robot? Who's is behind the scenes to make that?
  43. A for Apple
  44. A Knight's Tour
  45. A Python iterator for people scared of Exceptions.
  46. A Simple Music Encoder
  47. A Simplistic TCP Finite State Machine (FSM)
  48. A1 Thick and Hearty
  49. Abundant Array
  50. Abundant Numbers
  51. Acronym Buster
  52. Acrostic reader
  53. AD2070: Help Lorimar troubleshoot his robots- ultrasonic distance analysis
  54. AD2070: Help Lorimar troubleshoot his robots-Search and Disable
  55. Add new item (collections are passed by reference)
  56. Adding Binary Numbers
  57. Adding Fractions
  58. Adding words - Part I
  59. Adding words - Part II
  60. Address Book by State
  61. ADFGX Simplified
  62. ADFGX UN-Simplified
  63. AdFly Encoder and Decoder
  64. Advanced Grade Marks Sorting
  65. Aerial Firefighting
  66. After(?) Midnight
  67. Age in days
  68. Age Range Compatibility Equation
  69. Airport Arrivals/Departures - #1
  70. Alex & snooker: points earned.
  71. Alex & snooker: scores.
  72. Algebraic Lists
  73. Algebraic string
  74. Algorithm Fun: Find The Unknown Number - Part I
  75. Algorithmic predicament- Bug Fixing #9
  76. Alien Beer Morse Code
  77. All divisors of large numbers
  78. All Inclusive?
  79. All Star Code Challenge #19
  80. All Star Code Challenge #23
  81. All Star Code Challenge #31
  82. All that is open must be closed...
  83. Allergy to Palindromes.
  84. Almost Even
  85. Alpha to Numeric and Numeric to Alpha
  86. Alphabet symmetry
  87. Alphabet war - Wo lo loooooo priests join the war
  88. Alphabet war - airstrike - letters massacre
  89. Alphabet wars - nuclear strike
  90. Alphabet wars - reinforces massacre
  91. Alphabetize a list by the nth character
  92. Alphabetized
  93. Alternate capitalization
  94. Alternating between three values
  95. Alternating Loops
  96. Alternating sort
  97. Always perfect
  98. Amidakuji
  99. An Introduction to DocTesting...
  100. Anagram difference
  101. Angle between two planes
  102. Another one down—the Survival of the Fittest!
  103. Answer the students' questions!
  104. Ant Bridge
  105. Apparently-Modifying Strings
  106. Apply offset to subtitles
  107. Approaching enemies
  108. Approximate Fractions
  109. Approximate solution of differential equation with Runge-Kutta 4
  110. Are they really equals ?
  111. Are the numbers in order?
  112. Are there any arrows left?
  113. Are there doubles?
  114. Are we alternate?
  115. Are you available?
  116. Are you Geometric or Arithmetic? No, I´m both of them.
  117. Area and perimeter of the ellipse
  118. Area of a Shape
  119. Area of House from Path of Mouse
  120. Arithmetic Expression Placeholders
  121. Arithmetic List!
  122. Arithmetic progression
  123. Arithmetic Progression of Primes
  124. Arithmetic sequence - sum of n elements
  125. Arithmetic Sequence - find hidden
  126. Arithmetic Sequence!
  127. Array combinations
  128. Array - squareUp b!
  129. Array element parity
  130. Array Hyperrectangularity
  131. Array Info
  132. Array Manipulation
  133. Array Mash
  134. Array Product (Sans n)
  135. Array reduction
  136. Array to HTML table
  137. Array2Binary addition
  138. Arrays and hex color codes
  139. Arrays of cats and dogs
  140. Arrays of Lists of Sets
  141. ASCII Cipher
  142. ASCII Fun #3: Puzzle Tiles
  143. ASCII hex converter
  144. ASCII letters from Number
  145. ASCII Logo Basic
  146. ASCII Total
  147. ASCII85 Encoding & Decoding
  148. Assembling a Circular Genome (Shortest Common Superstring)
  149. Assorted Rectangular Pieces Puzzle
  150. Asyncio - The Beginning
  151. ATM
  152. ATM money counter
  153. Author Disambiguation: a name is a Name!
  154. Author Disambiguation: Signatures worth it
  155. Author Disambiguation: to the point
  156. Autocomplete! Yay!
  157. Average Array
  158. Average Scores
  159. Averaging in an Infinite Array
  160. Avoid trillion years of calculations !!
  161. Baby Magpies
  162. Back to Basics
  163. Bad Apples
  164. Bad Exception Handling
  165. Balance the arrays
  166. Balance the parentheses
  167. Balanced parentheses string
  168. Base -2
  169. Base Conversion
  170. Base Reduction
  171. BasE91 encoding & decoding
  172. Bases Everywhere
  173. Basic Bitmapping
  174. Basic DeNico
  175. Basic Encryption
  176. Basic Nico variation
  177. Basic Optimization - Collatz Sum Sequence
  178. Basic physics problem - Space -Kinematics
  179. Basic socket server
  180. Basic subclasses - Adam and Eve
  181. Batman Quotes
  182. Battle ships: Sunk damaged or not touched?
  183. Battleship field validator
  184. Become The Ultimate Phychic
  185. Beeramid
  186. Beggar Thy Neighbour
  187. Begin your day with a challenge, but an easy one.
  188. Beginner Series #5 Triangular Numbers
  189. Bernoulli numbers
  190. Berserk rater: CG Vs. Clang
  191. Best Parking Spot
  192. Best travel
  193. Bezier Curves
  194. Big Generalized Fibonacci numbers
  195. Biggest Sum
  196. Bin to Decimal
  197. Binary Calculator
  198. Binary multiple of 3
  199. Binary multiplication.
  200. Binary operations #1
  201. Binary Range Extraction
  202. Binary scORe
  203. Binary search tree validation
  204. Binary Search Trees
  205. Binary Simulation
  206. Binary sXORe
  207. Binary to string
  208. Binary to Text (ASCII) Conversion
  209. Binary Tree Compare
  210. Binding of Algebraic Data Types
  211. Bingo Card
  212. Bingo!
  213. Bishop Movement checker
  214. Blaine is a pain
  215. Blobservation
  216. Blocks in an Irregular Pyramid
  217. Blood Moon
  218. Bloxorz Solver
  219. Bob's Short Forms
  220. Boolean array generator
  221. Boolean logic from scratch
  222. Bouncing Ball
  223. Bouncy Numbers
  224. Bowling Pins
  225. Bowling score calculator
  226. Bracket Buster
  227. Bracket Duplicates
  228. Brainfuck Translator
  229. Braking well
  230. Breadcrumb Generator
  231. Break camelCase
  232. Break the Caesar!
  233. Bribe the Guards of the Crown Jewels
  234. Bridge Puzzle
  235. Bridge: SAYC Openings
  236. Bubble Sort
  237. Bug Fix - Quick Sort
  238. Bug Squish!
  239. Build a pile of Cubes
  240. Build a Trie
  241. Build Tower Advanced
  242. Building a Sequence Cocatenating Digits with a Given Order.
  243. Building blocks
  244. Building Chains Using the Arithmetic Derivative of a Number
  245. Building Spheres
  246. Bulk up!
  247. Button sequences
  248. Buying a car
  249. C.Wars
  250. Cable Matching Problem
  251. Caesar Cipher Helper
  252. Caeser Encryption
  253. Calculate daily accurate interest for a bank account
  254. Calculate Julie's Age
  255. Calculate Meal Total
  256. Calculate mean and concatenate string
  257. Calculate Price Excluding VAT
  258. Calculate String Rotation
  259. Calculate the expression
  260. Calculate the function f(x) for a simple linear sequence (Medium)
  261. Calculate the Harmonic Conjugated Point of a Triplet of Aligned Points
  262. Calculate the resultant force
  263. Calculating Expected Utility
  264. Calculating with Functions
  265. Calculation of the Angles of a Triangle
  266. Calendar Week
  267. Call Center Call Backs
  268. Cambridge Word Scramble
  269. CamelCase Method
  270. CamelCase to underscore
  271. Can I play right now?
  272. Can these three numbers form a date?
  273. Can you get the loop ?
  274. can you guess what it is ?
  275. Can you sum?
  276. Candy problem
  277. Candy thieves
  278. Cantor's Diagonals
  279. Car Rental Business Needs Statistics and Programming
  280. Card-Chameleon, a Cipher with Playing Cards
  281. Carpet shop
  282. Cartesian coordinates from degree angle
  283. Cartesian neighbors
  284. Cartesian neighbors distance
  285. Cartesian product
  286. Case Reversal of Consecutive Duplicates
  287. Case-sensitive!
  288. Castle of Cubes
  289. Cat and Mouse - 2D Version
  290. Cat Kata, Part 1
  291. Cat Years, Dog Years (2)
  292. Catalog
  293. Centroid I
  294. Ch4113ng3
  295. Chains With Sums and Products
  296. Challenge Fun #17: Merge Arrays
  297. Challenge Fun #19: Black Hole
  298. Challenge Fun #20: Edge Detection
  299. Challenge: True without return
  300. Chameleon unity
  301. change words into numbers
  302. Changing letters
  303. char_to_ascii
  304. Character Concatenation
  305. Character Counter and Bars Graph
  306. Character limits: How long is your piece of string?
  307. Character with longest consecutive repetition
  308. Cheat at rock paper scissors!
  309. Cheating a bit...
  310. Check a Curious Divisibility. (Brute force version)
  311. Check and Mate?
  312. Check by Queen
  313. Check digit
  314. Check if a triangle is an equable triangle!
  315. Check the status of the generator expression
  316. Check three and two
  317. Checkerboard King Combo Move
  318. Checkout Line Pricing
  319. Chess Fun #10: Chess Encryption
  320. Chess Fun #9: Bishops And Rooks
  321. Chess position parser (FEN)
  322. Children and candies
  323. Chinese Zodiac
  324. chmod calculator in octal.
  325. Chocolate problem
  326. Choose featured projects for Gratipay's homepage!
  327. Christmas baubles on the tree
  328. Christmas Present Calculator
  329. Chuck Norris III - Cage Match
  330. Ciphers #1 - The 01 Cipher
  331. Ciphers #2 - The reversed Cipher
  332. Circle area inside square
  333. Circle Intersects Rectangle
  334. Circles: Count the Circles Having a Given Internal Point.
  335. Circular Limited Sums
  336. Circular Primes
  337. Circularly Sorted Array
  338. Class conundrum - Bug Fixing #7
  339. Classic Hello World
  340. Classy Classes
  341. Classy Extentions
  342. Clay Pigeon Shooting
  343. Clock Hands
  344. Clock Lock - Save the World, Time Traveler! :)
  345. Clock Patience
  346. Clocky Mc Clock-Face
  347. Clone Graph
  348. Closest and Smallest
  349. Closest Neighbouring Points I
  350. Closest Neighbouring Points II
  351. Closest Sum
  352. Closest to Zero
  353. Cockroach Bug Scatter
  354. Codenames - matrix conversions
  355. Codewars API
  356. Codewars Leaderboard Climber
  357. Coding Meetup #17 - Higher-Order Functions Series - Sort by programming language
  358. Coding Meetup #4 - Higher-Order Functions Series - Find the first Python developer
  359. Coding with Squared Strings
  360. Codwars or Codewars?
  361. Cody Block's Pro Skater
  362. Cogs
  363. Cogs 2
  364. Collatz Conjecture (3n+1)
  365. Collatz Conjecture Length
  366. Color Choice
  367. Color Ghost
  368. Colored Hexes!
  369. Colour Association
  370. Coloured Lattice Points Forming Coloured Triangles
  371. Coloured Triangles
  372. Columnar Transposition Cipher Collisions
  373. Combination Lock
  374. Combinations in a Set Using Boxes
  375. Combinations in a Set Using Boxes II
  376. Combinations xor sum
  377. Combine objects
  378. Comic Book Hero - The Flash - Saving Lives
  379. Command line parameters
  380. Common array elements
  381. Common Substrings
  382. Compare powers
  383. Compare section numbers
  384. Compare Strings by Sum of Chars
  385. Compare within margin
  386. Competitive eating scoreboard
  387. Complete Binary Tree
  388. Composed Integers Having Prime Factors Only Once
  389. Composing squared strings
  390. Compound Nouns, Common Nouns, and Adjectives Test
  391. CompoundArray
  392. Compress sentences
  393. Compress/Encode a Message with RLE (Run Length Encoding)
  394. Computational Geometry #1: Mixing Paints
  395. Compute a convex hull
  396. compute cube as sums
  397. Compute Nullable Non-Terminals
  398. Compute the Largest Sum of all Contiguous Subsequences
  399. Computing the complex logarithm function
  400. Concatenated Sum
  401. Condi cipher
  402. Conference Traveller
  403. Confidence Intervals
  404. Conic Classification
  405. Connect Four - placing tokens
  406. Consecutive Digit Constraints
  407. Consecutive k-Primes
  408. Consecutive letters
  409. Consecutive strings
  410. Consonant value
  411. Construct Graph Class (simple)
  412. Contamination #1 -String-
  413. Context manager decorator
  414. Continuation in arguments, part 1
  415. Convergents of e
  416. Conversion between Kilobyte and KibiByte
  417. Convert a linked list to a string
  418. Convert all the cases!
  419. Convert between radians and degrees
  420. Convert Color image to greyscale
  421. Convert Hash To An Array
  422. Convert Improper Fraction to Mixed Number
  423. Convert Improper Fraction to Mixed Numeral
  424. Convert Integer to Binary
  425. Convert integer to Whitespace format
  426. Convert Numbers to a 32-bitmap Hex ASCII Representation
  427. Convert recurring decimal to fraction
  428. Converting 12-hour time to 24-hour time
  429. Converting 24-hour time to 12-hour time
  430. Converting integer to currency format
  431. Converting Measures
  432. Convex hull area
  433. Conway's Game of Life - Unlimited Edition
  434. Conways game of life on a toroidal array
  435. Coordinates Validator
  436. Coping with NP-Hardness #1: 2-SAT
  437. Coping with NP-Hardness #2: Max Weight Independent Set of a Tree
  438. Coping with NP-Hardness #3: Finding the Minimum Hamiltonian Cycle
  439. Coping with NP-Hardness #4: 3-Recoloring
  440. Coprimes up to N
  441. Correct the date-string
  442. Correct the time-string
  443. Count characters in your string
  444. Count Connectivity Components
  445. Count Repeats
  446. Count the days!
  447. Count the Digit
  448. Count the divisible numbers
  449. Count the Domain Names
  450. Count The Hits Adding Contiguous Powers!
  451. Count the number of cubes with paint on
  452. Count the Ones
  453. Count the smiley faces!
  454. Countdown
  455. Countdown - Longest Word
  456. Countdown to Christmas
  457. Counting Cuts
  458. Counting hexagons
  459. Counting in the Amazon
  460. Counting inner calls in an unknown function.
  461. Counting Rectangle Triangles
  462. Counting String Subsequences
  463. Courier 🚚
  464. Cracking the Vigenère cipher, step 1: determining key length
  465. Cramer, thanks for your contribution!
  466. Crane Operation
  467. Crash Override
  468. Crashing Boxes
  469. Crazed Templating
  470. Create a frame!
  471. Create a one-liner FTP client with the ftplib
  472. Create Four Letter Birding Codes from Bird Names
  473. Create palindrome
  474. Creating a Bitset, Part 1
  475. Creating a string for an array of objects from a set of words
  476. Credit Card Checker
  477. Credit card issuer checking
  478. Cricket Scores
  479. Crouching Distribution, Hidden Constant
  480. Cryptography #1 - Viva Cesare
  481. Cumulative Triangle
  482. Curing Arachnophobia
  483. Currency Conversion
  484. Currency Matrix Generator
  485. Currying functions: multiply all elements in an array
  486. Currying vs. Partial Application
  487. Custom Array Filters
  488. Custom Christmas Tree
  489. Custom Christmas Tree III: the center of leaves
  490. Cut array into smaller parts
  491. Cut me in Pieces but in The Way I Like
  492. Cut the cake
  493. Cycle detection: Brent's The Tortoise and The Hare
  494. Cycle Detection: Floyd's The Tortoise and the The Hare
  495. Cycle Detection: greedy algorithm
  496. Cyclops numbers
  497. D&D Character generator #1: attribute modifiers and spells
  498. D&D Character generator #2: psion power points
  499. D&D Character generator #3: carrying capacity
  500. Dad is Commatose
  501. Dashatize it
  502. Data compression using run-length encoding
  503. Data mining #1
  504. Data Type Scramble
  505. Date Format Validation
  506. Days in the year
  507. Dbftbs Djqifs
  508. Dead Ants
  509. Deadlock Detection
  510. Death by Coffee
  511. Debug Basic Calculator
  512. Debug the functions EASY
  513. Debugger
  514. Decimal to any Rational or Irrational Base Converter
  515. Decipher the sentence
  516. Decipher this!
  517. Decode the Morse code, advanced
  518. Decode the Morse code, for real
  519. Decoded String by the Numbers
  520. Decoding a message
  521. Decompose a number
  522. Decompose single strand DNA into 3 reading frames
  523. Decreasing Inputs
  524. Decreasing Numbers with N Digits
  525. Deficiently Abundant Perfect Amicable Numbers
  526. Define a card suit
  527. Delete occurrences of an element if it occurs more than n times
  528. Delta Bits
  529. Democracy Representation
  530. denumerate string
  531. Deodorant Evaporator
  532. Department scheduler [simple]
  533. Derpcode Interpreter
  534. Describe a list
  535. Describe the shape
  536. Design a Simple Automaton (Finite State Machine)
  537. Detecting Factions in Friend-Foe Networks
  538. Determine if the poker hand is flush
  539. Determine Results of Pole Vault Competition
  540. Determine the logarithm base
  541. Devil's Sequence
  542. DevOps legacy roasting -> disco inferno -> burn baby burn
  543. Diagonals sum
  544. Diamonds and Toads
  545. Dice Rolling
  546. Dice rolls threshold
  547. Dictionary Merge
  548. Dictionary of Factors
  549. Did she say hallo?
  550. Did we win the Super Bowl?
  551. Did you mean ...?
  552. Diff That Poly!
  553. Digital cypher
  554. Digital cypher vol 2
  555. Digital cypher vol 3 - missing key
  556. DigitAll
  557. Digits Average
  558. Digits explosion
  559. Dinner Plans
  560. Diophantine Equation
  561. Diophantine Equation Solver
  562. Directions Reduction
  563. Disagreeable ascii
  564. Discover The Original Price
  565. Disease Spread
  566. Disorganised page lists
  567. Distance between two points
  568. Distance from the average
  569. Distinct contiguous elements in every window of size k
  570. Distribute server workload
  571. Divide polynomial by polynomial
  572. Divisible by primes
  573. Divisible Ints
  574. Divisor harmony
  575. DNA GC-content
  576. DNA Sequence Tester
  577. Do you speak retsec?
  578. Dobble
  579. Dobble: Identify the missing cards
  580. Does my number look big in this?
  581. Dog recommendation system
  582. Dollar Value to Speech Conversion
  583. Dollar words
  584. Dollars and Cents
  585. Domain name validator
  586. Dominant array elements
  587. Dominant primes
  588. Domino Reaction
  589. Domino Tiling - 2 x N Board
  590. Domino Tiling - 3 x N Board
  591. Don't Eat the Last Cake!
  592. Don't rely on luck.
  593. Doors in the school
  594. Dota 2 Bots - Pudge's Meat Hook
  595. Double Char
  596. Double Even Magic Square
  597. Double Trouble
  598. Doubly Linked List
  599. Down Arrow With Numbers
  600. Dragon's Curve
  601. Draw a Circle.
  602. draw me a chessboard
  603. Draw stairs
  604. Drinking Game
  605. Driving School Series #1
  606. Dropcaps
  607. Dropzone
  608. Drunk friend
  609. Drying Potatoes
  610. Duck Duck Goose
  611. Dumbphone Keypads
  612. Duplicate sandwich
  613. Dynamic Class Creation
  614. Dynamic Connectivity
  615. Earth-mover's distance
  616. Ease the StockBroker
  617. easy logs
  618. Easy Balance Checking
  619. Easy Cyclist's Training
  620. Easy Line
  621. Easy mathematical callback
  622. Easy Time Convert
  623. Echo
  624. Egg Drops
  625. Eight ways to iterate over table
  626. Elapsed Seconds
  627. Elections: Weighted Average
  628. Elementary Arithmetic - Carries Count
  629. Elevator Distance
  630. Elo rating - one game, one pair
  631. Email Address Obfuscator
  632. Email Validation
  633. Emirps
  634. Emotional Sort ( ︶︿︶)
  635. Encrypt this!
  636. Encrypting words
  637. Endianness Conversion
  638. Endless String
  639. English beggars
  640. Enigeliisohe too Eniigeeliiisoohee Toroanisoliatooro
  641. Enumerable Magic - Does My List Include This?
  642. Enumerable Magic #30 - Split that Array!
  643. Equal Sides Of An Array
  644. Equivalent Dice
  645. Error Correction Codes
  646. Errors : histogram
  647. Escape the Aliens
  648. Escape the maze
  649. Esolang Interpreters #1 - Introduction to Esolangs and My First Interpreter (MiniStringFuck)
  650. Esolang Interpreters #2 - Custom Smallfuck Interpreter
  651. Esolang Interpreters #3 - Custom Paintf**k Interpreter
  652. Esolang Interpreters #4 - Boolfuck Interpreter
  653. Esolang: InfiniTick
  654. Esolang: MiniBitMove
  655. Esolang: Stick
  656. Esolang: Tick
  657. Esolang: Ticker
  658. Esoteric Language: 'Poohbear' Interpreter
  659. esrever esreveR!
  660. Euclidean distance in n dimensions
  661. Euler method for numerical integration
  662. Euler Totient Function
  663. Even Fibonacci Sum
  664. Even numbers in an array
  665. Even odd disparity
  666. Even Odd Pattern #1
  667. Evening up a workload
  668. Every archer has its arrows
  669. Every beginning has an end (Dates)
  670. Every nth array element. (Basic)
  671. Every possible sum of two digits
  672. Evil Autocorrect Prank
  673. Evil or Odious
  674. Exact p
  675. Excel sheet column numbers
  676. Excel's COUNTIF, SUMIF and AVERAGEIF functions
  677. Exception Handling (with restrictions)
  678. Excessively Abundant Numbers
  679. Exclamation marks series #1: Remove an exclamation mark from the end of string
  680. Exclamation marks series #11: Replace all vowel to exclamation mark in the sentence
  681. Exclamation marks series #12: Remove odd number continuous exclamation marks and question marks
  682. Exclamation marks series #13: Count the number of exclamation marks and question marks, return the product
  683. Exclamation marks series #17: Put the exclamation marks and question marks on the balance - are they balanced?
  684. Exclamation marks series #2: Remove all exclamation marks from the end of sentence
  685. Exclamation marks series #3: Remove all exclamation marks from sentence except at the end
  686. Exclamation marks series #4: Remove all exclamation marks from sentence but ensure a exclamation mark at the end of string
  687. Exclamation marks series #5: Remove all exclamation marks from the end of words
  688. Exclamation marks series #6: Remove n exclamation marks in the sentence from left to right
  689. Exclamation marks series #7: Remove words from the sentence if it contains one exclamation mark
  690. Exclamation marks series #8: Move all exclamation marks to the end of the sentence
  691. Exclusive presentations
  692. Exercise in Summing
  693. Exes and Ohs
  694. Experimenting with a sequence of complex numbers
  695. Express number as sum of four squares
  696. Extended weekends
  697. Extra Perfect Numbers (Special Numbers Series #7)
  698. extract file name
  699. Fabergé Easter Eggs crush test
  700. Factorial length
  701. Factorial tail
  702. Failed Filter - Bug Fixing #3
  703. Family Relations
  704. Family Tree - Ancestors
  705. Faro Shuffle Count
  706. Fastest Code : Equal to 24
  707. Fat Fingers
  708. Features of a Given Array
  709. Feed Kahumolings!
  710. Fib Factorials
  711. Fibo akin
  712. Fibonacci on roids
  713. Fibonacci Reloaded
  714. fibonacci with a broken interpreter
  715. Fibonacci, Tribonacci and friends
  716. Fibonacci's FizzBuzz
  717. File Path Operations
  718. Fill in the gaps in my timesheet.
  719. Filter Long Words
  720. Filter the number
  721. Filter valid romans
  722. filterEvenLengthWords
  723. Filtering Values For an Election
  724. Financing a purchase
  725. Financing Plan on Planet XY140Z-n
  726. Find Cracker.
  727. Find a Bunch of Common Elements of Two Lists in a Certain Range
  728. Find Added
  729. Find all occurrences of an element in an array
  730. Find all possible number combos that sum to a number
  731. Find All the Possible Numbers Multiple of 3 with the Digits of a Positive Integer.
  732. Find All The Unique Substrings
  733. Find amplitude of a binary tree
  734. Find an area
  735. Find an employees role in the company
  736. Find array
  737. Find Duplicates
  738. Find Ends of Each Paths
  739. Find Factors Down to Limit
  740. Find factors of a number
  741. Find Fibonacci last digit
  742. Find how many times did a team from a given country win the Champions League?
  743. Find last Fibonacci digit [hardcore version]
  744. Find missing numbers
  745. Find Numbers with Same Amount of Divisors
  746. Find out whether the shape is a cube
  747. Find Product Partitions With Maximum or Minimum Score
  748. Find the anonymous function
  749. Find the Biggest Triangle
  750. Find the centre of a sphere
  751. Find the Counterfeit
  752. Find the discounted prices
  753. Find The Duplicated Number in a Consecutive Unsorted List
  754. Find The Duplicated Number in a Consecutive Unsorted List - Tougher Version
  755. Find the files then read them
  756. Find the First Number in Having a Certain Number of Divisors I
  757. Find the force of gravity between two objects
  758. Find the gatecrashers on CocoBongo parties
  759. Find the in-between point
  760. Find the integer Partition of k-Length With Maximum or Minimum Value For Its Product Value
  761. Find the Integral
  762. Find the lines!
  763. Find the Longest Increasing or Decreasing Combination in an Array
  764. Find the longest repeating substring
  765. Find the lucky numbers
  766. Find the Middle of the Product
  767. Find the Mine!
  768. Find the missed number
  769. Find the missing element between two arrays
  770. Find the missing letter
  771. Find the missing term in an Arithmetic Progression
  772. Find the most adjacent integers of the same value in a grid
  773. Find the Most Probable Sum Value or Values, in Rolling N-dice of n Sides
  774. Find the motif in DNA sequence.
  775. Find the name of the lucky variable
  776. Find the Next Powers Higher than a Given Value With Given Constraints
  777. Find the Nexus of the Codewars Universe
  778. Find The Parity Outlier
  779. Find the Partition with Maximum Product Value
  780. Find the random seed
  781. Find the Slope
  782. Find the smallest
  783. Find the smallest power higher than a given a value
  784. Find the sum of the roots of a quadratic equation
  785. Find the unique string
  786. Find the volume of a Cone.
  787. Find twins
  788. Find X
  789. Find X Ⅱ
  790. Finding a Circulation
  791. Finding an appointment
  792. Finding length of the sequence
  793. Finding North
  794. Finding the Closest Maximum Values of a Function to an Upper Limit
  795. Finish Guess the Number Game
  796. Finish NxN Array Tic-Tac-Toe Game
  797. FIRE and FURY
  798. First n Prime Numbers
  799. First non-repeating character
  800. First order Chebyshev polynomials
  801. First Variation on Caesar Cipher
  802. First-Class Function Factory
  803. Fix arithmetic progression
  804. Fix array sequence
  805. Fix string case
  806. Fix the base conversion function!
  807. Fix the Bugs (Syntax) - My First Kata
  808. Fix the loop!
  809. Fix the pipes
  810. Fix the robot and save the secret Mars base
  811. Fix your code before the garden dies!
  812. Fixed length palindromes
  813. Fixed-length integer partitions
  814. Fizz Buzz
  815. Fizz Buzz (with restrictions)
  816. Fizz Buzz Cuckoo Clock
  817. Fizz Buzz Reloaded
  818. FizzBuzz Backwards
  819. FizzBuzz++
  820. Flatten A Nested Dictionary That Contains Lists
  821. Flatten Me
  822. Float or Integer verifier
  823. Float Precision
  824. Floating-point Approximation (I)
  825. Floating-point Approximation (II)
  826. Floating-point Approximation (III)
  827. Fold an array
  828. Folding Tiles Solver
  829. Following the Paths of Numbers Through Prime Factorization
  830. Food combinations
  831. Football Season
  832. For UFC Fans (Total Beginners): Conor McGregor vs George Saint Pierre
  833. Format to the 2nd
  834. Formatting decimal places #1
  835. Four Letter Words ~ Mutations
  836. Fractions class
  837. Fractions of a currency' smallest value
  838. Frank's Sticky Calculator
  839. Free pizza
  840. Frequency Analysis With Buckets
  841. Friday the 13th Part 1
  842. Frogificator
  843. From-To-Step Sequence Generator
  844. From..To..Series #7: from sentence to camelCase. Can you convert it?
  845. Fruit Machine
  846. Fruit string calculator
  847. Fuel Calculator: Total Cost
  848. Fuel economy converter (mpg <-> L/100 km)
  849. Fuel usage reporting
  850. Fun with binary numbers
  851. Function Composition
  852. Function iteration
  853. Functional Addition
  854. Fundamentals: Return
  855. Funnel Out A String
  856. GA-DE-RY-PO-LU-KI cypher
  857. GA-DE-RY-PO-LU-KI cypher vol 2
  858. GA-DE-RY-PO-LU-KI cypher vol 3 - Missing key
  859. Gambling Game: Choosing Order
  860. Game of Go
  861. Game of Thrones : Wildlings are coming!
  862. Gap in Primes
  863. GCD Matrix
  864. Generate Numbers From Digits #2
  865. Generate user links
  866. Generating Numbers From Digits #1
  867. Generating Numbers From Prime Factors I
  868. Generic number class
  869. Generic numeric template formatter
  870. Genetic Algorithm Series - #1 Generate
  871. Genetic Algorithm Series - #3 Crossover
  872. Genetic Algorithm Series - #4 Get population and fitnesses
  873. Geohashing
  874. Geometric Mean I
  875. Geometric Mean II
  876. Geometric Progression Sequence
  877. Geometry Basics: Distance between points in 3D
  878. Get a User's Honor
  879. Get All Possible Anagrams from a Hash
  880. get character from ASCII Value
  881. Get Euchre Score
  882. Get number from string
  883. Get Password from grid
  884. Get recursion limit
  885. Get Smallest Common Factor
  886. Get the Excel column title!
  887. Get the Sum of Multiples of Triangular Numbers
  888. GET TO THE CHOPPA!
  889. Get your steppin' on son
  890. Get Zodiac Sign
  891. Getting along with Bernoulli's numbers
  892. Getting MAD
  893. getting started #let's piay
  894. Getting the neighbors
  895. Ghostbusters (whitespace removal)
  896. Give me a Diamond
  897. Give me data
  898. Global estimates
  899. Gnomes and Hats: A Horror Story
  900. Goldbach's conjecture (Prime numbers)
  901. Goldbach’s Conjecture
  902. Golden Section Search
  903. GPS coordinate conversions - DD to DMS
  904. Grab CSV Columns
  905. Graceful Tipping
  906. Grader
  907. Gradually Adding Parameters
  908. Grasshopper - Terminal Game Turn Function
  909. Gray Code
  910. Great Total Additions of All Possible Arrays from a List.
  911. Greatest Common Divisor Bitcount
  912. Greatest Difference
  913. Greatest Position Distance Between Matching Array Values
  914. Greed is Good
  915. Greek Sort
  916. Green Glass Door
  917. Grid blast!
  918. Grid index
  919. Grill it!
  920. Group prime numbers
  921. Group Repeating Fractions
  922. Grouped by commas
  923. Gryffindor vs Slytherin Quidditch Game
  924. Guess and convert
  925. Guess My Number
  926. Guess the (prime) number, digit by digit
  927. Guess the float #1
  928. Guess the integer #1
  929. Guess the list pattern #2
  930. Guess the list pattern #3
  931. Guess the list pattern #4
  932. Guess the Word: Count Matching Letters
  933. Guess Who?
  934. guessing game server
  935. Hack the NSA
  936. Hackermann
  937. Haiku Wizard
  938. Half Life
  939. Hamming Numbers
  940. Hamster me
  941. Handshake problem
  942. Hanoi Tower Array
  943. Happy Numbers
  944. Happy numbers to the n power
  945. Happy Numbers. Another performance edition.
  946. Happy traveller [#1]
  947. Hardcore anagram difference
  948. Has the Largest Product Horizontal or Vertical Direction? Find it!!
  949. Heads and Legs
  950. Heartbeat Status Montor
  951. Hello World without strings, numbers and booleans
  952. Help Mrs Jefferson
  953. Help Green Lantern with his web site
  954. Help Kiyo きよ solve her problems LCM Fun!
  955. Help Mr. E
  956. Help Suzuki pack his coal basket!
  957. Help Suzuki purchase his Tofu!
  958. Help the farmer to count rabbits, chickens and cows
  959. Help your fellow warrior!
  960. Help your granny!
  961. Helpers For a 3DGame I: Biggest Triangle in a Sphere
  962. Heroes of Might & Magic II: Chain Lightning
  963. Heron's formula
  964. Hidden pixels
  965. Hide a message in a deck of playing cards
  966. High score table
  967. Highest number with two prime factors
  968. Highest Perfect Square with Same Digits
  969. Highest Rank Number in an Array
  970. Highest Sum of Increasing Sequence with Same Jump
  971. Hill Cipher: Encryption
  972. Histogram - H1
  973. Histogram - V1
  974. Histograms For All The World
  975. Hit Count
  976. Hofstadter Q
  977. Holiday VIII - Duty Free
  978. Hollow Triangle
  979. Homogenous arrays
  980. Hop Across
  981. House of cards
  982. How far away is it ?
  983. How far will I go?
  984. How good are you really?
  985. How Green Is My Valley?
  986. How long each order will take
  987. How long should you cook this for?
  988. How long will it take the train to reach its final destination?
  989. How low do you go?
  990. How many arguments
  991. How many consecutive numbers are needed?
  992. How many cows do you have?
  993. How Many Differences of Squares?
  994. How many dots are covered
  995. How many e-mails we sent today?
  996. How many eggs?
  997. How many elephants can the spider web hold?
  998. How many feelings?
  999. How many numbers III?
  1000. How Many Numbers?
  1001. How Many Numbers? II
  1002. How many points did the teams from Los Angeles score?
  1003. How many stairs will Suzuki climb in 20 years?
  1004. How many times should I go?
  1005. How many twos?
  1006. How Many Unique Consonants?
  1007. How many urinals are free?
  1008. How much coffee do you need?
  1009. How much hex is the fish
  1010. How much will you spend?
  1011. How Much?
  1012. How old will I be in 2099?
  1013. How readable?
  1014. HTML Complementary Color
  1015. HTML Element Generator
  1016. Huffman Encoding
  1017. Human readable duration format
  1018. Human Readable Time
  1019. Hungarian Cardinal Numerals
  1020. Hungarian Vowel Harmony (harder)
  1021. Hypercube Lists
  1022. I Liked the SQL Better...
  1023. I love big nums and I cannot lie
  1024. I'm already Tracer
  1025. I'm longer than you!
  1026. Ideal electron distribution
  1027. Identify the array's ordering
  1028. Identifying Top Users and their Corresponding Purchases On a Website
  1029. Image host filename generator
  1030. Image Processing: Gaussian Blurring
  1031. Imaginary Base Conversion
  1032. Imperfect Fibonacci Rabbits
  1033. Imperial fractions
  1034. Implement Classes by using Functions
  1035. Implementing SHA-1
  1036. Increasing Numbers with N Digits
  1037. Indexed capitalization
  1038. Inertial Array
  1039. Infected Zeroes
  1040. Infinite continued fractions
  1041. Initialize my name
  1042. Inner Calls In Recursion I
  1043. Insane Circular Limited Sums
  1044. Insane Coloured Triangles
  1045. Insane Increasing or Decreasing Numbers
  1046. Insane Tri-Bicolor Tiling
  1047. Insert dashes
  1048. Insert Dashes 2
  1049. Inspiring Strings
  1050. Integer depth
  1051. Integer Difference
  1052. Integer factorization: CFRAC basics
  1053. Integer reduction
  1054. Integer to string deciphering
  1055. Integer triangles
  1056. Integer Triangles Having One Angle The Double of Another One
  1057. Integer Triangles I: Maximum Number of Integer Triangles with the Smallest Perimeter
  1058. Integer with the longest Collatz sequence
  1059. Interactive Dictionary
  1060. Interlace an arbitrary Number of Strings
  1061. Interlaced Spiral Cipher
  1062. Interweaving strings and removing digits
  1063. Intro to Statistics - Part 1: A Five figure summary
  1064. Intro to Statistics - Part 2: Boxplots
  1065. Intro to Statistics - Part 3: Correlation Coefficients
  1066. IntroToArt
  1067. intTunes
  1068. Invalid Input - Error Handling #1
  1069. Invalid Login - Bug Fixing #11
  1070. Invert The Triangle
  1071. IPv4 Parser
  1072. IPv4 to int32
  1073. IPv4 Validator
  1074. IRR Calculation - evaluation of profitability
  1075. Is Divisible By 6 Mk II
  1076. Is every value in the array an array?
  1077. Is Integer Array?
  1078. Is it a group? (Group theory, Abstract algebra)
  1079. Is it a number?
  1080. Is it a vowel on this position?
  1081. Is it an isogram?
  1082. Is n divisible by (...)?
  1083. Is Sator Square?
  1084. Is that a real phone number? (British version)
  1085. Is the string uppercase?
  1086. Is there a sequence re-occuring in the list
  1087. Is There an Odd Bit?
  1088. Is this a good batch of stout? (Student's t test)
  1089. Is this event within this time?
  1090. Is valid identifier?
  1091. Is your period late?
  1092. isEven? - Bitwise Series
  1093. Isogram Cipher
  1094. Iterative Rotation Cipher
  1095. Jack's House
  1096. Jacob's Weight Loss Program
  1097. Javascript filter - 1
  1098. Jenny the youngest detective
  1099. Jimmy's Journey
  1100. Job Matching #1
  1101. Job Matching #2
  1102. Jobs
  1103. Johnny the Poker Player - What is my equity?
  1104. Josephus Permutation
  1105. Josephus Survivor
  1106. Joyful Transpiler
  1107. Jumble words
  1108. Jump!
  1109. Jumping Kangaroos
  1110. Jungerstein's Math Training Room: 1. How many zeros are at the end of n!! ?
  1111. Jungerstein's Math Training Room: 2. How many bugs?
  1112. Jungerstein's Math Training Room: 4. O Pascal tree, how green are your leaves?
  1113. Jungerstein's Math Training Room: 5. Cat back
  1114. Ka Ka Ka cypher - words only vol 1
  1115. Kata 2019: Bonus Game I
  1116. Kata 2019: Bonus Game II
  1117. Kata 2019: Combine Fruits
  1118. Kata 2019: Fibonacci Bus
  1119. Kata Impossible I - The Impossible Lottery
  1120. Katastrophe!
  1121. Kebabize
  1122. Keep it short (with restrictions)
  1123. Keep the Order
  1124. Keith Numbers
  1125. Keypad horror
  1126. Keyword Cipher
  1127. Keyword Cipher Helper
  1128. Kids and candies
  1129. kinematics 1
  1130. KISS - Keep It Simple Stupid
  1131. Knapsack problem - the max value with the lists of elements
  1132. Knight or Knave (From the Motion Picture: The Labyrinth)
  1133. Kooka-Counter
  1134. Krazy King Blackjack
  1135. Lambdas as a mechanism for Open/Closed
  1136. Langton's ant
  1137. Langton's Ant - Advanced Version
  1138. Largest Elements
  1139. Largest Number Arrangement
  1140. Largest Numeric Palindrome
  1141. Largest Power that Divides a Large Factorial
  1142. Largest prime number containing n digit
  1143. Largest product in a series
  1144. Largest rectangle in background
  1145. Largest Value of a Power Less Than a Number
  1146. Lario and Muigi Pipe Problem
  1147. Last
  1148. Last digit of a huge number
  1149. Last digit of a large number
  1150. Last digit of the squared sum of Fibonacci numbers
  1151. Last digit symmetry
  1152. Last Digit to Appear in Sequence of Powers
  1153. last digits of a number
  1154. Last digits of N^2 == N
  1155. Last man standing
  1156. Lattice Paths, But...?
  1157. Laxative Shot Roulette
  1158. Lazily executing a function
  1159. Lazy Init
  1160. LCM Cardinality
  1161. Leaderboard climbers
  1162. Leap year (with restrictions)
  1163. Leap Years
  1164. Learning Remote Control
  1165. Left$ and Right$
  1166. Length Factorial Encryption
  1167. Length of missing array
  1168. Leonardo Dicaprio and Oscars
  1169. Leonardo numbers
  1170. Let's flat them out
  1171. Let's Play Darts: Beat The Power!
  1172. letters only, please!
  1173. Letterss of Natac
  1174. Letterss of natac: build or buy
  1175. Level Up!
  1176. Lexographic sort with a twist
  1177. Life without primes
  1178. Line Safari - Is that a line?
  1179. Linear Regression of Y on X
  1180. Linked Lists - Front Back Split
  1181. Linked Lists - Remove Duplicates
  1182. Linked Lists - Shuffle Merge
  1183. Linked Lists - Sorted Merge
  1184. LinkedList -> Array
  1185. Linux history and ! command. Series#1 The !! command
  1186. Linux history and ! command. Series#2 The !n command
  1187. Linux history and ! command. Series#3 The !-n command
  1188. Linux history and ! command. Series#4 The !string command
  1189. Linux history and ! command. Series#5 The !?string command
  1190. List of all Rationals
  1191. List of pairs instead of dictionary
  1192. Little PL/SQL parser - get text literals
  1193. Locate P using 3 Points and their distances to P
  1194. Logic Detective
  1195. Logical calculator
  1196. Logical Disjunctions
  1197. Logistic Map
  1198. Loneliest character
  1199. Longest alphabetical substring
  1200. Longest Consecutive Sequence of Squares
  1201. Longest palindrome
  1202. Longest Palindromic Substring (Linear)
  1203. Longest Strict Bouncy Subarray
  1204. Longest vowel chain
  1205. longest_palindrome
  1206. Look and say numbers
  1207. Look and say sequence generator
  1208. Looper
  1209. Loose Change (Part 2)
  1210. Lorraine Wants to Win the TV Contest
  1211. Lottery machine
  1212. LOTTO 6 aus 49 - 6 of 49
  1213. Lowest product of 4 consecutive numbers
  1214. Lucas numbers
  1215. Lucas-Lehmer Test for Mersenne Primes
  1216. Luck check
  1217. Lucky Bus Ticket
  1218. lucky number
  1219. Lucky Sevens
  1220. Ludic numbers
  1221. Madhav array
  1222. Magic Dice: Who wins?
  1223. Magic Square Validator
  1224. Magic Sum of 3s
  1225. Magic Zeckendorf
  1226. Magritte - Golconda
  1227. Mahjong - #1 Pure Hand
  1228. Make a LIFO stack to reverse a string
  1229. Make a spiral
  1230. Make Equal
  1231. Make them bark!
  1232. Make Your Own Hashmap
  1233. makeBackronym
  1234. Making Copies
  1235. Manage the Robot Factory: Day 1
  1236. Managing Homework Time
  1237. Manhattan Distance
  1238. Map and Filter to Get a Special Sequence of Integers
  1239. Map function issue
  1240. Markings to White Triangles and How to Find Them
  1241. Masquerade Waiting Line
  1242. Master of Files
  1243. Master your primes: sieve with memoization
  1244. master_pizza_slicer
  1245. Mastermind
  1246. Match My Husband
  1247. Matrix creation
  1248. matrix expanding
  1249. Matrix Exponentiation
  1250. Matrix Multiplier
  1251. Matrix Rotation
  1252. Matunga coins
  1253. Max Collatz Sequence Length
  1254. Max number of people and year in a specific place
  1255. Max-min arrays
  1256. Maximum Product of Parts
  1257. Maximum 2d subarray sum
  1258. Maximum and Minimum Numbers as a Result of all Possible Concatenations and Fulfilling Certain Constraints
  1259. Maximum Area in Histogram
  1260. Maximum Overkill
  1261. Maximum Subarray Sum II
  1262. Maze Exit
  1263. Mean Means
  1264. Mean Square Error
  1265. Mean vs. Median
  1266. Mean without outliers
  1267. Meeting
  1268. Membership (with restrictions)
  1269. Memesorting
  1270. Memoized Log Cutting
  1271. Merge sorted arrays without built-in functions
  1272. Mersenne Primes
  1273. Message from Alien (Easy Version)
  1274. Message from Aliens
  1275. Method For Counting Total Occurence Of Specific Digits
  1276. Metric Units - 1
  1277. Mid-Endian numbers
  1278. Midpoint Sum
  1279. Miles per gallon to kilometers per liter
  1280. Milk and Cookies for Santa
  1281. Miller-Rabin Primality Test
  1282. Minesweeper
  1283. Minimal Cost Binary Search Trees
  1284. Minimal Squarewave PCM Synthesizer
  1285. Minimum exact p
  1286. Minimum number of taxis
  1287. Minimum number of terms needed to find sum in Geometric Series
  1288. Minimum path in squares
  1289. Minimum Steps (Array Series #6)
  1290. Minimum Ticket Cost
  1291. Minimum to multiple
  1292. Minimum Transactions
  1293. Minimum unfairness of a list/array
  1294. Minutes to Midnight
  1295. Mirroring cipher
  1296. Missing Alphabet
  1297. Missing Angle
  1298. Missing number in Unordered Arithmetic Progression
  1299. Mistaking a forest for a tree
  1300. Mix Fruit Juice
  1301. Mixbonacci
  1302. Mobile Display Keystrokes
  1303. Mobile operator detector
  1304. MOD 256 without the MOD operator
  1305. Mod Sort
  1306. Modular Multiplicative Inverse
  1307. Modulus 11 - Check Digit
  1308. Molecule to atoms
  1309. Mongodb ObjectID
  1310. Monkey's MATH 01: How many "ZERO"s?
  1311. Monotone travel
  1312. MONTE CARLO 3D
  1313. Monty Hall Problem
  1314. More than Zero?
  1315. Morse Encoding
  1316. Most common first
  1317. Most Consecutive Zeros of a Binary Number
  1318. Most Frequent Weekdays
  1319. Most improved - Puzzles #4
  1320. Moves in squared strings (I)
  1321. Moves in squared strings (II)
  1322. Moves in squared strings (III)
  1323. Moves in squared strings (IV)
  1324. Moving Zeros To The End
  1325. MTV Cribs
  1326. Multi Line Task: Hello World (Easy one)
  1327. Multi Poly Coordinates
  1328. Multi-Cipher Encryption
  1329. Multicast IP Address to MAC address mapping
  1330. Multiple implications
  1331. Multiple remainder of the division
  1332. Multiples by permutations
  1333. Multiples of 3 and 5 redux
  1334. Multiples of Ten in a Sequence Which Values Climb Up
  1335. Multiples!
  1336. Multiplication - Generators #2
  1337. Multiplication table
  1338. Multiplicative Persistence... What's special about 277777788888899?
  1339. Multiply list by integer (with restrictions)
  1340. Multiply the number
  1341. Multiply Two Numbers Without Integers
  1342. Multiply without asterisk
  1343. Multiplying Binomials
  1344. Multirange iterator
  1345. Multisize Nonogram Solver
  1346. Mumbling
  1347. Music theory: Major chord matching
  1348. Musical Scales and Modes
  1349. Mutate My Strings
  1350. Mutual Recursion
  1351. My smallest code interpreter (aka Brainf**k)
  1352. My Very Own Python's Split Function
  1353. Mysterious function
  1354. Mysterious Letters
  1355. Mystery Function
  1356. Mythical Heads and Tails
  1357. N Linear
  1358. N seconds ago
  1359. N smallest elements in original order
  1360. n times 2 to the power of x without function or class method and return
  1361. n-back
  1362. n-Bonacci Ratio
  1363. N-centered Array
  1364. N-Dimensional Vector Magnitude
  1365. N-Parasitic Numbers Ending in N
  1366. N-Point Crossover
  1367. N00bify - English to n00b Translator
  1368. Name on billboard
  1369. Name That Number!
  1370. Name to Matrix
  1371. Naming Files
  1372. NATO Phonetic Alphabet
  1373. Naughty or Nice
  1374. Naughty or Nice?
  1375. Nearly Flatten a Messy Array
  1376. Negative Connotation
  1377. New season, new league
  1378. Next Featured Number Higher than a Given Value
  1379. Next Higher Value # 1
  1380. Next level string padding
  1381. Next Palindromic Number.
  1382. Next polydivisible number
  1383. Next Prime
  1384. NFL Passer Ratings
  1385. Nickname Generator
  1386. NIM the game
  1387. Ninja vs Samurai: Strike
  1388. No adjacent integers sequence generator
  1389. No arithmetic progressions
  1390. No ifs no buts
  1391. No musical :(
  1392. No unknown variables!
  1393. No yelling!
  1394. Node Mania
  1395. Non Decomposable Primes as Sums of Perfect Squares
  1396. Non-even substrings
  1397. Noob Debug 1: Fix the string sum!
  1398. noobCode 04: HOT SINGLES...compare two arrays, return the unpaired items !
  1399. Noonerize Me
  1400. Northwest and Southeast corners
  1401. Not all but sometimes all
  1402. Not prime numbers
  1403. Nothing special
  1404. nova polynomial 1. add
  1405. nova polynomial 2. multiply
  1406. nova polynomial 3. subtract
  1407. nova polynomial 4. derivative
  1408. nova polynomial 5. from roots
  1409. Now that's a crib!
  1410. nth Floyd line
  1411. Number , number ... wait LETTER !
  1412. Number climber
  1413. Number Decoding
  1414. Number encrypting: cypher
  1415. Number Format
  1416. Number of Digit d in m-based Number Converted to Base n
  1417. Number of Divisions
  1418. Number of measurements to spot the counterfeit coin
  1419. Number of Proper Fractions with Denominator d
  1420. Number of trailing zeros of N!
  1421. Number of Triangles in an Finite N-sized Triangular Tiling
  1422. Number Pairs
  1423. Number Shortening Filter
  1424. Number to Bytes
  1425. Number-Star ladder
  1426. Numbers and its Reversal Having Same Prime Factors.
  1427. Numbers Having Digits Occurring Only Once
  1428. Numbers in strings
  1429. Numbers of Letters of Numbers
  1430. Numbers so vain, they probably think this Kata is about them.
  1431. Numbers Which Sum of Powers of Its Digits Is The Same Number
  1432. Numbers With a Certain Amount of Permutable Powers
  1433. Numbers with Collatz Starting Patterns
  1434. Numbers with The Highest Amount of Divisors
  1435. Numerical Palindrome #1.5
  1436. Numerical Palindrome #2
  1437. Numerical Palindrome #3
  1438. Numerical Palindrome #3.5
  1439. Numerical Palindrome #4
  1440. Nut Farm
  1441. Nut Farm 2
  1442. Objectify all the strings
  1443. OCR Numbers
  1444. Odd Not Prime
  1445. Odd-heavy Array
  1446. Odd-squares traversal
  1447. Odder than the rest
  1448. Odder than the rest - 2
  1449. Odds-Index
  1450. Offload your work!
  1451. Offspring Traits
  1452. Old Mobile Display
  1453. One down
  1454. One for His Nob: Scoring Cribbage Hands
  1455. One Line Task: Diamond Creator Pro
  1456. One line task: Is the King in check ?
  1457. One Line Task: Palindrome String
  1458. One Variable Second Degree Equation Solver
  1459. Ones' Complement
  1460. Only Duplicates
  1461. Only one
  1462. Only-Readable-Once list
  1463. Ookkk, Ok, O? Ook, Ok, Ooo!
  1464. OOP: Object Oriented Piracy
  1465. Open the Lockers
  1466. Operation Transformation
  1467. Operations with sequence
  1468. Operator Insertion
  1469. Optimal Taxi Fare
  1470. Optimized Pathfinding Algorithm
  1471. Optimum coding school location
  1472. Oracle: Coin Method
  1473. Ordered Count of Characters
  1474. Ordering the words!
  1475. Ordering Beers in Poland
  1476. Ordinal Numbers
  1477. Ore Numbers
  1478. Organise duplicate numbers in list
  1479. ORing arrays
  1480. Packet Delivery -- Enforcing Constraints
  1481. packing rectangles
  1482. Packing your backpack
  1483. PaginationHelper
  1484. Pair of gloves
  1485. Pairing brackets
  1486. Palindrome integer composition
  1487. Palindromic Expression
  1488. Palindromization
  1489. Pandigital Powers
  1490. Pandigital Sequence
  1491. Paperboy
  1492. Paperboy 2
  1493. Papers, Please
  1494. Parabolas: Standard to Vertex Form
  1495. Parallel resistors
  1496. Parametric to Rectangular Equation
  1497. Parentheses are loud !
  1498. Parity bit - Error detecting code
  1499. Parse bank account number
  1500. Parse HTML/CSS Colors
  1501. Parse IPv6 Address
  1502. Parse python terminal output
  1503. Parse the log
  1504. Partial Word Searching
  1505. Partition
  1506. Pascal's Triangle
  1507. Pascal's triangle on a graph
  1508. Password generator
  1509. Password maker
  1510. Password System
  1511. Password validator
  1512. Path Finder #3: the Alpinist
  1513. Path Finder #4: where are you?
  1514. Pattern 01: Merry Christmas (sometimes little bit out of time;-))
  1515. Pattern Generator
  1516. PatternCraft - Visitor
  1517. Pell Numbers
  1518. Penalty for speeding
  1519. Pentabonacci
  1520. Perfect squares, perfect fun
  1521. Perimeter Sum
  1522. Permutation position
  1523. Permutation Average
  1524. Permutation-free Strings
  1525. Permutations and Dot Products
  1526. Permutations Of An Array And Associated Values
  1527. Permute a Palindrome
  1528. Pernicious Numbers
  1529. Personalized brand list
  1530. Pete, the baker (part 2)
  1531. Phone Directory
  1532. Physics - Mechanics - Atwood Machines in Series
  1533. Pi approximation fractions
  1534. Piano Kata, Part 1
  1535. Piano Kata, Part 2
  1536. Picking the best casino game
  1537. Pig Atinlay
  1538. Pig Sursurunga
  1539. Pillars
  1540. Ping-Pong service problem
  1541. Pirates!! Are the Cannons ready!??
  1542. Pitches and Notes
  1543. Pizza Payments
  1544. Plants and Zombies
  1545. Please help Bob
  1546. Plotting points on a grid.
  1547. Plus - minus - plus - plus - ... - Count
  1548. Pointless Farmer
  1549. Points in the circle
  1550. Points of Reflection
  1551. Points On A Line
  1552. Pole Vault Starting Marks
  1553. Polybius square cipher - encode
  1554. Polydivisible Numbers
  1555. Polydivisible Numbers
  1556. Polynomial coefficients
  1557. Polynomial Evaluation - Binomial Form
  1558. Polynomials I: String Format
  1559. Populate hash with array keys and default value
  1560. Positions Average
  1561. Posix command
  1562. Possibilities Array
  1563. Possibilities of throwing a coin n times
  1564. Possible side lengths of a triangle excluding right triangles.
  1565. Possible Triangles Formed with Available Iron Rods
  1566. Power Laws
  1567. Power tower modulo m
  1568. Powers of 3
  1569. Precise fractions pt. 1 - basics
  1570. Prefill an Array
  1571. Pretty date
  1572. Price of Mangoes
  1573. Prime ant
  1574. Prime Ant - Crazy Version
  1575. Prime factorization
  1576. Prime Factors
  1577. Prime number decompositions
  1578. Prime reduction
  1579. Prime reversion
  1580. Prime Sextuplets
  1581. Prime Streaming (PG-13)
  1582. Primes in the Last Digits of Huge Numbers
  1583. Primes with Two, Even and Double Even Jumps
  1584. Primes with Even Digits
  1585. Primitive Pythagorean Triples
  1586. Primorial Of a Number
  1587. Principal Diagonal | VS | Secondary Diagonal
  1588. Print count and numbers
  1589. Printing Array elements with Comma delimiters
  1590. PRNG: Linear Congruential Generator
  1591. Probabilities for Sums in Rolling Cubic Dice
  1592. Probable Prime or Composite (Much bigger primes)
  1593. Process Waterfowl Survey Data Results
  1594. Processes
  1595. Product Array (Array Series #5)
  1596. Product of consecutive Fib numbers
  1597. Product of Largest Pair
  1598. Product of the main diagonal of a square matrix.
  1599. Product Partitions II
  1600. Professor Oak's Trouble - New Pokedex prototype
  1601. Program hangs!
  1602. Progress of a challenge
  1603. Progressive Spiral Number Branch
  1604. Progressive Spiral Number Distance
  1605. Progressive Spiral Number Position
  1606. Projectile Motion
  1607. Promenade Fractions (from BIO 2016)
  1608. Proof Read
  1609. Propositional SAT Problem
  1610. Propositional SAT Problem [Performance]
  1611. Pull your words together, man!
  1612. Pure odd digits primes
  1613. Put the cat on the table
  1614. Puzzle rotation
  1615. Pythagorean Triplets
  1616. Python Reflection: Disassembling the secret
  1617. Python's Dynamic Classes #1
  1618. Python's Dynamic Classes #2
  1619. Python's Dynamic Classes #3
  1620. Quadratic Enumerator
  1621. Quadratic Solver Part 2 (Factorising)
  1622. Querysets
  1623. Quest: Kill ten rats!
  1624. Queue Battle
  1625. Queue time counter
  1626. Quick (n choose k) calculator
  1627. Quicksum
  1628. Qwerty Coordinates -- Strings
  1629. Racing #1: Simplified Drag Race
  1630. Radical Simplifier
  1631. Radio DJ helper function
  1632. Radix Tree
  1633. Ragbaby cipher
  1634. RaNDoM CAsE
  1635. Random Integers
  1636. Random triplets test generator
  1637. Range Extractor
  1638. Range function
  1639. Range of Integers in an Unsorted String
  1640. Range Parser
  1641. Ranking NBA teams
  1642. Ranking Poker Hands
  1643. Ranking System
  1644. Ratio of Bouncy Numbers
  1645. Rational Zeros
  1646. RDS (Radio Data System) Splash Text Concatenation
  1647. Re-organize the weapons!
  1648. Reach Me and Sum my Digits
  1649. Read a UPC/Barcode
  1650. Read a UPC/Barcode Part 2
  1651. Read the time
  1652. Readability is King
  1653. Really Complex Sum
  1654. Rearrangement of Numbers to Have The Minimum Divisible by a Given Factor
  1655. Recaman Sequence
  1656. Recover a secret string from random triplets
  1657. Recovering from a Disk Crash - Reverse Engineering Some Lost Code!
  1658. Rectangle Cipher Puzzle
  1659. Rectangle into Rectangles
  1660. Rectangular Subsets of Tiles in Square Grids (Fixed)
  1661. Recursion 101
  1662. Recursion puzzle
  1663. Recursive Floor Sequence
  1664. Recursive Replication
  1665. Reducing Problems - Bug Fixing #8
  1666. Refactored Greeting
  1667. regex validation of 24 hours time.
  1668. Regex Failure - Bug Fixing #2
  1669. Regex for a decimal number divisible by 4
  1670. Regex for Gregorian date validation
  1671. Regex Password Validation
  1672. Regex Tic Tac Toe Win Checker
  1673. Regex to Match Significant Figures
  1674. Regexp Basics - is it IPv4 address?
  1675. Regexp basics - parsing mana cost
  1676. RegExp Fun #1 - When I miss few days of gym
  1677. Regular Expression - Check if divisible by 0b111 (7)
  1678. Regular expression for binary numbers divisible by 5
  1679. Regular Expressions (groups): Splitting phone numbers into their separate parts.
  1680. Relatively Prime Numbers
  1681. Remember
  1682. Remember members decorator
  1683. Remove a Specific Element of an Array
  1684. Remove All The Marked Elements of a List
  1685. Remove consecutive duplicate words
  1686. Remove HTML tags using regexp
  1687. Remove the minimum
  1688. Remove the parentheses
  1689. Remove the time
  1690. Remove Unnecessary Characters from Items in List
  1691. Removing Elements
  1692. Reorder Array 2
  1693. ReOrdering
  1694. Repeated Substring
  1695. Replace all items
  1696. Replace letters
  1697. Replace With Alphabet Position
  1698. Representing complex numbers
  1699. Required Data I
  1700. Required Data II (Easy One)
  1701. Resistor Color Codes
  1702. Resistor Color Codes, Part 2
  1703. Resultant Moment I
  1704. Retirement Planning as a Service
  1705. Retrieve array value by index with default
  1706. Return a sorted list of objects
  1707. Return pyramids
  1708. Return String of First Characters
  1709. Return substring instance count
  1710. Return substring instance count - 2
  1711. Return to Sanity
  1712. Reverse a Number
  1713. Reverse a singly-linked list
  1714. Reverse and Invert
  1715. Reverse complement (DNA )
  1716. Reverse every other word in the string
  1717. Reverse Factorials
  1718. Reverse FizzBuzz
  1719. Reverse Inside Parentheses (Inside Parentheses)
  1720. Reverse polish notation calculator
  1721. Reverse Polish Notation solver (Easy)
  1722. reverseIt
  1723. Reverser
  1724. Reversi row rudiments
  1725. Reversing Fun
  1726. riemann sums II (trapezoidal rule)
  1727. Right Truncatable Harshad numbers
  1728. RoboScript #2 - Implement the RS1 Specification
  1729. RoboScript #3 - Implement the RS2 Specification
  1730. RoboScript #4 - RS3 Patterns to the Rescue
  1731. Rock Off!
  1732. Roman Numerals Decoder
  1733. Roman numerals, Zeroes and Fractions
  1734. ROT13 variant cipher
  1735. Rotate a square matrix in place
  1736. Rotate Array (JS)
  1737. Rotate Corners
  1738. Rotate matrix counter - clockwise N - times!
  1739. Rotated string
  1740. Rotation Cipher Cracker
  1741. Rotational energy levels
  1742. Rotational state populations (the Boltzmann distribution)
  1743. Rotten Oranges
  1744. Round and Round
  1745. Round by 0.5 steps
  1746. Round to nearest 0 or 5
  1747. Round up to the next multiple of 5
  1748. Routes in a square grid
  1749. RPG dice roller
  1750. RPS Knockout Tournament Winner
  1751. Rubiks cube CFOP algo : Cross
  1752. Rudimentary Pivot Table
  1753. Rule 30
  1754. Run-length encoding
  1755. Running Average
  1756. RuplesJS #3: String EachChar
  1757. Russian nesting dolls
  1758. Russian Peasant Multiplication
  1759. Russian postal code checker
  1760. Sales report
  1761. Same Array?
  1762. Same Birthday Probability
  1763. Santa's Missing Gift List
  1764. Santa's Naughty List
  1765. Sat Nav directions
  1766. Save for retirement
  1767. Save the Spice Harvester (Dune Universe)
  1768. Scaling Squared Strings
  1769. Schedulability Test
  1770. SCHEDULE YOUR DA(RRA)Y
  1771. Scheduling (Round-Robin)
  1772. School Class Arrangement
  1773. Schrödinger's Boolean
  1774. Scrabble best word
  1775. Scraping: Get the Year a CodeWarrior Joined
  1776. Scrolling Text
  1777. Search The 0 Sums Combinations in an Array
  1778. Searching for Bulls
  1779. Seat Allocation Double Dutch
  1780. Secret Agent Time Travel Calculations
  1781. Secret knock
  1782. Secret Message
  1783. Sectional Array Sort
  1784. Selecting Quotients From an Array
  1785. Selective Array Reversing
  1786. Selective fear of numbers
  1787. Selective memory
  1788. self_converge
  1789. Self-closing Cookie Jar
  1790. Self-Descriptive Numbers
  1791. Semi-Thue Systems - The Word Problem [Part 1]
  1792. Send in the Clones
  1793. Sentence to words
  1794. Separate filename from extension
  1795. Sequence classifier
  1796. Sequence convergence
  1797. Sequence generator
  1798. Sequence of Power Digits Sum
  1799. Sequence to 1
  1800. Sequences and Series
  1801. Set Closure Generator
  1802. Seventh JSON of a seventh JSON
  1803. Sexy Primes <3
  1804. Shakespearean Tug of War
  1805. Shallowest path across the river
  1806. Share prices
  1807. Sharpen up
  1808. Sheffer stroke
  1809. Shelve your trophies
  1810. Shifted cycles
  1811. Shorten IPv6 Address
  1812. shorter concat [reverse longer]
  1813. Shorter Path
  1814. Shortest Knight Path
  1815. Shortest steps to a number
  1816. Shortest string
  1817. Shortest string that contains all possible bigrams from set of characters
  1818. Show multiples of 2 numbers within a range
  1819. Showing X to Y of Z Products.
  1820. Sierpinski triangle
  1821. SillyCASE
  1822. Simple array rotation
  1823. Simple Barcode Scanner
  1824. Simple division
  1825. Simple arithmetic progression
  1826. Simple beads count
  1827. Simple consecutive pairs
  1828. Simple CSS selector comparison
  1829. Simple decrypt algo
  1830. Simple directions reversal
  1831. Simple elevator
  1832. Simple Encryption #1 - Alternating Split
  1833. Simple Encryption #2 - Index-Difference
  1834. Simple Encryption #4 - Qwerty
  1835. Simple equation reversal
  1836. Simple Events
  1837. Simple eviternity numbers
  1838. Simple fibonacci strings
  1839. Simple Finite State Machine Compiler
  1840. Simple frequency sort
  1841. Simple Fun #105: Rectangles
  1842. Simple Fun #106: Is Thue Morse?
  1843. Simple Fun #110: Array Operations
  1844. Simple Fun #113: Number Increasing
  1845. Simple Fun #115: Factor Sum
  1846. Simple Fun #119: Sub Sets Parity
  1847. Simple Fun #12: Count Sum of Two Representions
  1848. Simple Fun #120: Range Collapse Representation
  1849. Simple Fun #121: Mr.Odd
  1850. Simple Fun #122: String Constructing
  1851. Simple Fun #123: DPC Sequence
  1852. Simple Fun #124: Lamps
  1853. Simple Fun #125: Array Equalization
  1854. Simple Fun #126: Decrypt Number
  1855. Simple Fun #129: Repeat Sequence Length
  1856. Simple Fun #13: Magical Well
  1857. Simple Fun #130: Robot Walk
  1858. Simple Fun #131: Learn Charitable Game
  1859. Simple Fun #132: Number Of Carries
  1860. Simple Fun #133: Six Column Encryption
  1861. Simple Fun #134: Fix Progression
  1862. Simple Fun #135: Missing Alphabets
  1863. Simple Fun #137: S2N
  1864. Simple Fun #138: Similarity
  1865. Simple Fun #139: Black And White
  1866. Simple Fun #14: Line Up
  1867. Simple Fun #140: Circle Slash
  1868. Simple Fun #141: Hamming Distance
  1869. Simple Fun #143: Is Survivor Number?
  1870. Simple Fun #144: Distinct Digit Year
  1871. Simple Fun #145: Table Game
  1872. Simple Fun #146: Chandos Number
  1873. Simple Fun #147: Find The Missing Tree
  1874. Simple Fun #148: Exchange Sort
  1875. Simple Fun #149: Next Day Of Week
  1876. Simple Fun #15: Addition without Carrying
  1877. Simple Fun #150: Robot Transfer
  1878. Simple Fun #151: Rocks
  1879. Simple Fun #153: Knight Rescue
  1880. Simple Fun #155: Pac-Man
  1881. Simple Fun #156: Rotate Paper By 180 Degrees
  1882. Simple Fun #157: Counting Triangles
  1883. Simple Fun #158: Not So Random
  1884. Simple Fun #16: Apple Boxes
  1885. Simple Fun #160: Cut The Ropes
  1886. Simple Fun #161: Replace Dashes As One
  1887. Simple Fun #162: Pair Wise
  1888. Simple Fun #165: Withdraw
  1889. Simple Fun #166: Best Match
  1890. Simple Fun #167: Spreadsheet
  1891. Simple Fun #169: Press Button
  1892. Simple Fun #17: Rounders
  1893. Simple Fun #170: Sum Groups
  1894. Simple Fun #171: Get Candy Position
  1895. Simple Fun #172: Count Number
  1896. Simple Fun #174: Unlucky Number
  1897. Simple Fun #175: Same Encryption
  1898. Simple Fun #176: Reverse Letter
  1899. Simple Fun #177: Rank Of Element
  1900. Simple Fun #178: Faulty Odometer
  1901. Simple Fun #179: Fraction
  1902. Simple Fun #18: Candles
  1903. Simple Fun #180: Repeat Adjacent
  1904. Simple Fun #181: Rounding
  1905. Simple Fun #182: Happy "g"
  1906. Simple Fun #183: Direction In Grid
  1907. Simple Fun #184: LCM from m to n
  1908. Simple Fun #185: Revamp
  1909. Simple Fun #186: Duplicate Phone Numbers
  1910. Simple Fun #187: Does Fred Need A Houseboat?
  1911. Simple Fun #188: Slogans
  1912. Simple Fun #189: Plant Doubling
  1913. Simple Fun #19: Count Black Cells
  1914. Simple Fun #190: Folding Paper
  1915. Simple Fun #191: Sum Of Regular Numbers
  1916. Simple Fun #192: Three Details
  1917. Simple Fun #193: Moment Of Time In Space
  1918. Simple Fun #194: Binary String
  1919. Simple Fun #198: Cake Slice
  1920. Simple Fun #199: Pass The Bill
  1921. Simple Fun #2: Circle of Numbers
  1922. Simple Fun #20: First Reverse Try
  1923. Simple Fun #200: Luxurious House
  1924. Simple Fun #201: Cards And Pero
  1925. Simple Fun #202: Min And Max
  1926. Simple Fun #203: Strange Coach
  1927. Simple Fun #204: Smallest Integer
  1928. Simple Fun #205: Split Exp
  1929. Simple Fun #21: Number Of Clans
  1930. Simple Fun #22: Is Smooth?
  1931. Simple Fun #223: Parameter Of Number
  1932. Simple Fun #229: Penalty Shots
  1933. Simple Fun #23: Square Digits Sequence
  1934. Simple Fun #24: Pages Numbering with Ink
  1935. Simple Fun #246: Array Center
  1936. Simple Fun #25: Comfortable Numbers
  1937. Simple Fun #258: Is Divisible By 6
  1938. Simple Fun #26: Weak Numbers
  1939. Simple Fun #261: Whose Move
  1940. Simple Fun #262: Case Unification
  1941. Simple Fun #268: Triangular Sum
  1942. Simple Fun #270: Evil Code Medal
  1943. Simple Fun #273: Powerset
  1944. Simple Fun #279: Finding K
  1945. Simple Fun #28: Html End Tag By Start Tag
  1946. Simple Fun #283: Censor The Forbidden Words
  1947. Simple Fun #288: Turns On Road
  1948. Simple Fun #29: Is MAC48 Address?
  1949. Simple Fun #290: Sum Of Threes
  1950. Simple Fun #299: Look And Say And Sum
  1951. Simple Fun #3: Late Ride
  1952. Simple Fun #30: Strings Construction
  1953. Simple Fun #301: Rope Skipping Game
  1954. Simple Fun #303: Prime Product
  1955. Simple Fun #312: Maximum Product
  1956. Simple Fun #318: Sort String
  1957. Simple Fun #320: Scratch lottery I
  1958. Simple Fun #323: Bears And Apples
  1959. Simple Fun #324: Is John Lying?
  1960. Simple Fun #326: The Shortest Time
  1961. Simple Fun #327: The Final Attack Value
  1962. Simple Fun #334: Two Beggars And Gold
  1963. Simple Fun #335: Two Programmers And Gold
  1964. Simple Fun #337: The Original Number
  1965. Simple Fun #34: Numbers Grouping
  1966. Simple Fun #342: Buy Newspaper
  1967. Simple Fun #35: Different Squares
  1968. Simple Fun #36: Most Frequent Digit Sum
  1969. Simple Fun #37: House Numbers Sum
  1970. Simple Fun #38: House Of Cats
  1971. Simple Fun #384: Is Turing's Equation?
  1972. Simple Fun #387: Lonely Frog IV
  1973. Simple Fun #39: Switch Lights
  1974. Simple Fun #399: Make Ascending Sequences
  1975. Simple Fun #4: Phone Call
  1976. Simple Fun #40: Timed Reading
  1977. Simple Fun #42: Are Similar?
  1978. Simple Fun #45: New Numeral System
  1979. Simple Fun #49: Decipher
  1980. Simple Fun #5: Knapsack Light
  1981. Simple Fun #50: Array Conversion
  1982. Simple Fun #51: Array Previous Less
  1983. Simple Fun #53: Combs
  1984. Simple Fun #54: Strings Crossover
  1985. Simple Fun #55: Cyclic String
  1986. Simple Fun #58: Volleyball Positions
  1987. Simple Fun #59: Reverse On Diagonals
  1988. Simple Fun #6: Is Infinite Process?
  1989. Simple Fun #61: Crossing Sum
  1990. Simple Fun #62: Draw Rectangle
  1991. Simple Fun #63: Shape Area
  1992. Simple Fun #64: Almost Increasing Sequence
  1993. Simple Fun #65: Matrix Elements Sum
  1994. Simple Fun #66: Obtain Max Number
  1995. Simple Fun #67: Array Change
  1996. Simple Fun #69: Are Equally Strong?
  1997. Simple Fun #7: Will You?
  1998. Simple Fun #70: Avoid Obstacles
  1999. Simple Fun #72: Absolute Values Sum Minimization
  2000. Simple Fun #74: Growing Plant
  2001. Simple Fun #75: Digit Degree
  2002. Simple Fun #78: Build Palindrome
  2003. Simple Fun #79: Delete a Digit
  2004. Simple Fun #8: Kill K-th Bit
  2005. Simple Fun #81: Digits Product
  2006. Simple Fun #83: MineSweeper
  2007. Simple Fun #86: is Information Consistent?
  2008. Simple Fun #87: Shuffled Array
  2009. Simple Fun #88: Sort By Height
  2010. Simple Fun #89: Boxes Packing
  2011. Simple Fun #9: Array Packing
  2012. Simple Fun #91: Unique Digit Products
  2013. Simple Interactive Interpreter
  2014. Simple letter removal
  2015. Simple Maths Test
  2016. Simple max digit sum
  2017. Simple maze
  2018. Simple missing sum
  2019. Simple nearest prime
  2020. Simple non-decreasing array
  2021. Simple number divisibility
  2022. Simple number sequence
  2023. Simple number triangle
  2024. Simple palindrome game
  2025. Simple parenthesis removal
  2026. Simple Physics Problem
  2027. Simple Pig Latin
  2028. Simple Prime Number Generator
  2029. Simple prime streaming
  2030. Simple remove duplicates
  2031. Simple repeated words
  2032. Simple reversal game
  2033. Simple reversed parenthesis
  2034. Simple ROT13.5 cypher
  2035. Simple rotated palindromes
  2036. Simple Sequence Validator
  2037. Simple Socket Client
  2038. Simple string characters
  2039. Simple string division
  2040. Simple string division II
  2041. Simple string expansion
  2042. Simple string indices
  2043. Simple string matching
  2044. Simple string reversal
  2045. Simple string reversal II
  2046. Simple Substitution Cipher Helper
  2047. Simple Sum (with restrictions)
  2048. Simple sum of pairs
  2049. Simple template
  2050. Simple time difference
  2051. Simple Web Framework #1: Create a basic router
  2052. Simpler Interactive Interpreter
  2053. Simplexer
  2054. Simplifying
  2055. Simplifying multilinear polynomials
  2056. Simpson's Rule - Approximate Integration
  2057. Simulating Collective Behaviour with Linear Threshold Model
  2058. Simultaneous Equations - Three Variables
  2059. Sine,cosine and others
  2060. Single character palindromes
  2061. Single character palindromes II
  2062. Single Word Pig Latin
  2063. Sinus Scroller
  2064. Sir , showMe yourID
  2065. SKRZAT!!!
  2066. Slamming Lockers
  2067. Sleigh Authentication
  2068. Slice the middle of a list backwards
  2069. Slices of a Series of Digits
  2070. Smallest value of an array
  2071. Smart Traffic Lights
  2072. Smoking Timmy
  2073. Smooth numbers
  2074. So Easy: Charge time calculation
  2075. So many kinds of numbers!
  2076. Social Golfer Problem Validator
  2077. Social Golfer Problem Validator V2
  2078. Socialist distribution
  2079. socket guessing game client
  2080. Solomon's Quest for the Temporal Crystal
  2081. Solve For X
  2082. Solve the Grid! Binary Toggling Puzzle
  2083. Some Circles
  2084. Some Egyptian fractions
  2085. Some stereometry
  2086. Some Tips For Quality Control I
  2087. Something similar to RokuLiuYeoseot- Nacci
  2088. Sophie Germain primes
  2089. Sort - one, three, two
  2090. Sort a massive list of strings (hard)
  2091. Sort an array by value and index
  2092. Sort Arrays (Ignoring Case)
  2093. Sort by Example
  2094. Sort by number
  2095. Sort deck of cards
  2096. Sort My Textbooks
  2097. Sort only integers in Nested List
  2098. Sort the climbing grades
  2099. Sort the columns of a csv-file
  2100. Sort the comments!
  2101. Sort the odd
  2102. Sortable Poker Hands
  2103. Sortable Shapes
  2104. Sorted Union
  2105. Sorting Arrays by the Amount of Perfect Squares that Each Element May Generate
  2106. Sorting Dictionaries
  2107. Sorting Integers into a nested list
  2108. Sorting on planet Twisted-3-7
  2109. Sorting Poker
  2110. Sorting Time
  2111. Soundex
  2112. Space Invaders Underdog
  2113. Spanish class help
  2114. Spanish Conjugator
  2115. Special Multiples
  2116. Special Scores For Words
  2117. Special Subsets of Primes
  2118. Speed Control
  2119. Spelling Bee
  2120. Spelling Bee II
  2121. SPF Russia
  2122. Spidey Swings Across Town
  2123. Spin the sentence
  2124. Spinning Rings
  2125. Spinning Rings - Fidget Spinner Edition
  2126. Split string by multiple delimiters
  2127. Split Strings
  2128. Split The Bill
  2129. Split Without Loss
  2130. Splitting the Workload (part I)
  2131. Splitting the Workload (part II)
  2132. Spoonerize Me
  2133. Sports league table - help your local team!
  2134. Spot the Differences
  2135. Spraying trees
  2136. Spreadsheet Cell Name Conversions
  2137. Spy Agent
  2138. Spy games - rebuild your decoder
  2139. Squad number generator
  2140. Square and Cube of a Number Become Prime When Reversed
  2141. Square and Cubic Factors
  2142. Square Cubic Triples
  2143. Square Pi's
  2144. Square Roots: Approximation
  2145. Square Roots: Simplify/Desimplify
  2146. Square string tops
  2147. Square sums (simple)
  2148. Squarefree Part of a Number
  2149. Squares in a Rectangle
  2150. Stack Arithmetic Machine
  2151. Stacked Balls - 3D (square base)
  2152. Statistics for an Athletic Association
  2153. Statistics in Kata 1: OR case - Unfair dice
  2154. Stem-and-leaf plot
  2155. Steps in k-primes
  2156. Stern-Brocot Sequence Part I
  2157. Stolen police records
  2158. Stone bridge primes
  2159. Stop the loop after n seconds
  2160. Strange roman numbers
  2161. Streaky Patterns in Coin Flips
  2162. String array duplicates
  2163. String average
  2164. String basics
  2165. String character frequency
  2166. String chunks
  2167. String counting
  2168. String destroyer (plus extra credit)
  2169. String doubles
  2170. String Evaluation
  2171. String matchup
  2172. String Merge!
  2173. String prefix and suffix
  2174. String Pyramid
  2175. String reduction
  2176. String Repetition without Function
  2177. String reverse slicing 101
  2178. String Reversing, Changing case, etc.
  2179. String Scramble
  2180. String searching with wildcard
  2181. String Shortener (shrink)
  2182. String subpattern recognition I
  2183. String subpattern recognition II
  2184. String subpattern recognition III
  2185. String Suffixes
  2186. String Templates - Bug Fixing #5
  2187. String to integer conversion
  2188. String to list of integers.
  2189. String transformer
  2190. Strip Url Params
  2191. Strong password?
  2192. Strongest even number in an interval
  2193. Sub-array division
  2194. Sub-array elements sum
  2195. Subsequence Product Sum
  2196. Subset Sum Problem
  2197. Sudoku Solver
  2198. Suitcase packing
  2199. Sum - Square Even, Root Odd
  2200. Sum a list but ignore any duplicates
  2201. Sum and Multiply
  2202. Sum Array with different bases
  2203. Sum consecutives
  2204. Sum Even Fibonacci Numbers
  2205. Sum it continuously
  2206. Sum of a nested list
  2207. Sum of a Sequence [Hard-Core Version]
  2208. Sum of Array Averages
  2209. Sum of array singles
  2210. Sum of certain products
  2211. Sum of certain products II
  2212. Sum of dices
  2213. Sum of differences between products and LCMs
  2214. Sum of integer combinations
  2215. Sum of integers in string
  2216. Sum of many ints
  2217. Sum of Multiples
  2218. Sum of powers of 2
  2219. Sum of prime-indexed elements
  2220. Sum of Primes
  2221. Sum of sequence
  2222. Sum squares of numbers in list that may contain more lists
  2223. Sum the Repeats
  2224. Sum Times Tables
  2225. Sum to infinity of a Geometric Sequence
  2226. sum2total
  2227. Summarize ranges
  2228. Summation Of Primes
  2229. Summing Large Amounts of Numbers
  2230. Summing subsets in list
  2231. Sums of Perfect Squares
  2232. Sungka
  2233. Super Coordinate Sums!
  2234. Supernatural
  2235. Surrounding Primes for a value
  2236. Suzuki needs help lining up his students!
  2237. Swap items in a dictionary
  2238. Swap Row In Certain Columns of a Matrix
  2239. Swap the head and the tail
  2240. Sweet Dreams are Made of Cheese
  2241. Symbolic differentiation of prefix expressions
  2242. T.T.T.#2: Equal to 24
  2243. T.T.T.27: Four piles of apples
  2244. T.T.T.51: Four warriors and a lamp
  2245. T9 Predictor
  2246. Tabs to spaces
  2247. Tail Swap
  2248. Take a picture !
  2249. Talisman Board Game Combat System Checker
  2250. Tank Truck
  2251. Target Date
  2252. Task master
  2253. Tax Calculator
  2254. telephone words
  2255. Temperature analysis I
  2256. Temperature analysis II
  2257. Temperature converter
  2258. Ten-Pin Bowling
  2259. Ten-pin bowling - score the frame
  2260. Terminal Game #2
  2261. Terrible Exception Handling
  2262. Test's results
  2263. Tetris Series #2 — Primitive Gameplay
  2264. Texas Hold'em Hands
  2265. Text align justify
  2266. Text align right
  2267. The Takeuchi function
  2268. The 5 Love Languages
  2269. The animals went in two by two
  2270. The Binary Binary Expansion
  2271. The Book of Mormon
  2272. The boolean order
  2273. The Boring Problem
  2274. The builder of things
  2275. The Chakitra's language
  2276. The Coins of Ter | Round to the Next N
  2277. The Coupon Code
  2278. The cross-stitch Kata
  2279. The Deaf Rats of Hamelin
  2280. The dropWhile Function
  2281. The Enigma Machine - Part 1: The Plugboard
  2282. The Enigma Machine - Part 2: A Rotor
  2283. The Enigma Machine - Part 3: The Reflector
  2284. The Enigma Machine - Part 4: A Rotor Part II
  2285. The fibfusc function -- Part 1
  2286. The fibfusc function -- Part 2
  2287. The First Non Repeated Character In A String
  2288. The Freeway Game
  2289. The furthest distance of index
  2290. The fusc function -- Part 1
  2291. The Greatest Warrior
  2292. The Hunger Games - Foxes and Chickens
  2293. The Hunger Games - Foxes and Chickens (Poison)
  2294. The Hunger Games - Shut the gate
  2295. The Hunger Games - Zoo Disaster!
  2296. The Ice Cream Vendors Dilema
  2297. The Inside of a Triangle
  2298. The Ladies of ENIAC
  2299. The Lamp: Revisited
  2300. The latest clock
  2301. The Lazy Startup Office
  2302. The learning game - Machine Learning #1
  2303. The Lift
  2304. The longest bracket substring in the string
  2305. The maximum and minimum difference -- Simple version
  2306. The maximum sum value of ranges -- Simple version
  2307. The mean of two means
  2308. The Millionth Fibonacci Kata
  2309. The Modulo-3 Sequence
  2310. The Most Amicable of Numbers
  2311. The most asked question on CodeWars
  2312. The Mysterious Wall
  2313. The Office I - Outed
  2314. The Office II - Boredom Score
  2315. The Office V - Find a Chair
  2316. The old switcheroo
  2317. The old switcheroo 2
  2318. The Owls Are Not What They Seem
  2319. The position of a digital string in a infinite digital string
  2320. The Prime Probability Mystery
  2321. The Primes as a Result of the Longest Consecutive Sum I
  2322. The queen on the chessboard
  2323. The rarest pepe
  2324. The Rhinestone Cowboy ~ Count the dollars in his boots!
  2325. The Road-Kill Detective
  2326. The Rubik's Cube
  2327. The Sceptical Kid Generator
  2328. The Seven Bridges of Königsberg
  2329. The smallest n such that n^n mod m = 0
  2330. The smallest number with a given number of divisors
  2331. The Sum and The Rest of Certain Pairs of Numbers have to be Perfect Squares
  2332. The Sum and The Rest of Certain Pairs of Numbers have to be Perfect Squares (more Challenging)
  2333. The Sum of The First and The Last Prime Factor Make Chains of Numbers
  2334. The Sum Of The Prime Factors Of a Number... What For?
  2335. The Supermarket Queue
  2336. The Three Amigos
  2337. The U-n-KNOWN but known variables: Multiplication
  2338. The Union Jack
  2339. The unknown but known variables: Addition
  2340. The Walker
  2341. The wheat/rice and chessboard problem
  2342. The Wrong-Way Cow
  2343. These are not my grades! (Revamped !)
  2344. These aren't the numbers you're looking for! (Find a number by approximation)
  2345. They say that only the name is long enough to attract attention. They also said that only a simple Kata will have someone to solve it. This is a sadly story #1: Are they opposite?
  2346. Thinkful - List and Loop Drills: Inverse Slicer
  2347. Thinkful - List and Loop Drills: Lists of lists
  2348. Thinkful - Logic Drills: Graceful addition
  2349. Thinkful - Logic Drills: Hacking p-hackers
  2350. Thinkful - Logic Drills: Red and bumpy
  2351. Thinkful - Logic Drills: Umbrella decider
  2352. Thinkful - Number Drills: Congo warehouses
  2353. Thinkful - Number Drills: Quadratic formula
  2354. Thinkful - Number Drills: Rømer temperature
  2355. Thinkful - Object Drills: Puzzlebox
  2356. Thinkful - Object Drills: Quarks
  2357. Thinkful - Object Drills: Vectors
  2358. Thinkful - String Drills: Areacode extractor
  2359. Thinkful - String Drills: Jedi name
  2360. Thinkful - String Drills: Poem formatter
  2361. Thinkful - String Drills: Quotable
  2362. Thinking & Testing : How many "word"?
  2363. Thinking & Testing : Incomplete string
  2364. Thinking & Testing : Mobile phone simulator
  2365. Thinking & Testing : Operator hidden in a string
  2366. Thinking & Testing : Something capitalized
  2367. Thinking & Testing : Sport Star
  2368. Thinking & Testing : True or False
  2369. Thinking & Testing : Uniq or not Uniq
  2370. Thinking & Testing: A and B?
  2371. Three added Characters
  2372. Three Body Problem
  2373. Three sticks
  2374. Tic-Tac-Toe (3D)
  2375. Tic-Tac-Toe Checker
  2376. Tic-Tac-Toe-like table Generator
  2377. Ticker
  2378. Tidy Number (Special Numbers Series #9)
  2379. Time Converter: hours, minutes, seconds and milliseconds
  2380. Time Degrees
  2381. Time For Validation
  2382. Time Simulation
  2383. Time to Watch a Parade!
  2384. Time until distance between moving ships
  2385. Timer Decorator
  2386. Tiny Three-Pass Compiler
  2387. TIY-FizzBuzz
  2388. ToLeetSpeak
  2389. Tom's Allergies
  2390. Tombola - validation
  2391. Toothpick Sequence
  2392. Top Down Movement System
  2393. Topological Image Processing: 4-Connected Components
  2394. Total increasing or decreasing numbers up to a power of 10
  2395. Total pressure calculation
  2396. Total Primes
  2397. Total Sums of Coefficients of a Binomial Raised to the Nth-Power
  2398. Tournament Cross Table with Sonneborn-Berger Score
  2399. Tower Defense: Risk Analysis
  2400. Tracking Hits for Different Sum Values for Different Kinds of Dice
  2401. Tracking pawns
  2402. Traffic Count During Peak Hours
  2403. Traffic Jam
  2404. Traffic lights
  2405. Trailing zeros in factorials, in any given integer base
  2406. Train of dominoes
  2407. Training JS #18: Methods of String object--concat() split() and its good friend join()
  2408. Training Time
  2409. Tram Capacity
  2410. Transform To Prime
  2411. Transformation of a Number Through Prime Factorization
  2412. Transforming Maze Solver
  2413. Translate DNA in 6 frames
  2414. Transpose of a Matrix
  2415. Transpose two strings in an array
  2416. Transposing a song
  2417. Traverse array elements diagonally
  2418. Tri-Bicolor Tiling
  2419. Triangle number check
  2420. Triangle of Multiples (Easy One)
  2421. Triangle type
  2422. Triangular range
  2423. Triangulate a konvex polygon
  2424. Tribonacci Sequence
  2425. Triple Shiftian Numbers
  2426. Triple trouble
  2427. Trumpness detector
  2428. Try without letter "r"! - Pontius Pilate will tly it :)
  2429. Tube strike options calculator
  2430. Tug-o'-War
  2431. Turkish National Identity Number
  2432. Turkish Numbers, 0-99
  2433. Turn any word into a beef taco
  2434. Twice Their Age
  2435. Two Joggers
  2436. Two Sum
  2437. Two's complement
  2438. Two's Complement
  2439. Typoglycemia Generator
  2440. Ulam Sequences
  2441. UN-usual Sort
  2442. Understanding epidemic.
  2443. Undirected weighted graph
  2444. Unexpected parsing
  2445. Unflatten a list (Easy)
  2446. Unflatten a list (Harder than easy)
  2447. Unicode Math
  2448. Unique Strings
  2449. Unix command line ls -l extract the file type.
  2450. Unknown amount of duplicates. One missing number.
  2451. Unknown Amount of Missing Numbers in an Unordered Array. (Hardcore version)
  2452. Unpacking Arguments
  2453. Unscrambled eggs
  2454. Untangle list deletion/insertion
  2455. Unusual Cipher
  2456. Unusual Lex Order
  2457. Unwanted dollars
  2458. Upside-Down Numbers - Challenge Edition
  2459. Upstream/Downstream
  2460. User class for Banking System
  2461. UVB-76 Message Validator
  2462. Valid HK Phone Number
  2463. Valid Parentheses
  2464. Validate Sudoku with size NxN
  2465. Vampire Numbers
  2466. Vampire numbers less than 1 000 000
  2467. Vanilla Neural Network from scratch
  2468. Vanity Plates
  2469. Variance in a array of words
  2470. Vector Affinity
  2471. Vector class
  2472. Vector Operations and Functionals
  2473. Vending Machine Problems [#1]
  2474. Very Simple Inheritance for Beginners
  2475. Visible Dots On a Die
  2476. Volume of a cup
  2477. Vowel Alternations
  2478. Vowel one
  2479. Vowel remover
  2480. Vowel Shifting
  2481. Vowel-consonant lexicon
  2482. Waiting room
  2483. Walk-up Stairs
  2484. Warm Up for Speed.
  2485. Watchmaker problems - watch hands issue
  2486. We are the Robots d[(0)(0)]b
  2487. We've crashed on a distance planet in our galaxy! When do leap years occur here?
  2488. Web Scraping: Find Every Link to Another Wikipedia Article in a Wikipedia Article
  2489. Weird IPv6 hex string parsing
  2490. Welcome!
  2491. Well efficiency calculator
  2492. What adds up
  2493. What time is it?
  2494. What Would They Have in Common?
  2495. What's A Name In?
  2496. What's a Perfect Power anyway?
  2497. Wheel of Fortune
  2498. When greatest is less than smallest
  2499. When Sigma1 Function Has Equals Values For an Integer and Its Reversed One
  2500. When The Sum of The Divisors Is A Multiple Of The Prime Factors Sum
  2501. Where am I again?
  2502. Where's Wally
  2503. Which Gas Station should I pick?
  2504. Whitespace Interpreter
  2505. Who ate the cookie?
  2506. Who has the most money?
  2507. Who is going to pay for the wall?
  2508. Who is the killer?
  2509. Who likes it?
  2510. Who Took The Car Key?
  2511. Will it balance?
  2512. Word Challenges at School
  2513. Word Mesh
  2514. Word Spiral
  2515. WordSquare
  2516. Working with arithmetic progressions
  2517. Working With Coloured Numbers
  2518. Working With Coloured Numbers II
  2519. Working with Dictionaries
  2520. World Bits War
  2521. Would you believe... Talk like Siegfried
  2522. Write Number in Expanded Form
  2523. Write Number in Expanded Form - Part 2
  2524. X marks the spot!
  2525. Yes No Yes No
  2526. Yoga Class
  2527. You look like a classy instance! Show me what you've got! - Part 1
  2528. Yu-Gi-Oh! kata: kaiba's Ultimate dream
  2529. Yuddh - At War!!
  2530. Z-algorithm
  2531. Zero Terminated Sum
  2532. Ziggurat Ride of Fortune