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    duckyluuk (he/him) 🇳🇱

    104,639
    106,717
    💎33
    🥇141
    🥈29
    🥉63

    🪨⭐

    120 / 120 Holes

    🔣

    37 / 61 Langs

    🏆

    65 / 84 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    333rd 111th 32nd 1,105th
    24 Game
    186th 169th 106th
    99 Bottles of Beer
    142nd 213th 1,120th
    Abundant Numbers
    1,049th 1,236th 265th
    Abundant Numbers (Long)
    441st 308th 452nd
    Arabic to Roman
    656th 523rd 883rd 511th 640th
    Arithmetic Numbers
    209th 93rd
    Arrows
    289th 235th
    Ascending Primes
    424th 384th
    ASCII Table
    239th 222nd 545th
    Billiards
    214th 146th
    brainfuck
    1,236th 216th 122nd
    Card Number Validation
    251st 16th 106th 258th
    Catalan Numbers
    178th 39th
    Catalan’s Constant
    338th 3rd 321st
    Christmas Trees
    309th 419th 380th 249th
    Collatz
    1,992nd 552nd 1,468th 357th 1,476th
    CSS Colors
    1,107th 1st 135th 341st
    Cubes
    279th 256th
    Day of Week
    248th 121st 1st58th 1,107th
    DFA Simulator
    66th 234th 138th 22nd 134th
    Diamonds
    333rd 266th 110th
    Divisors
    614th 2,153rd 925th 28th 2,425th
    Emirp Numbers
    519th 577th 337th 427th
    Emirp Numbers (Long)
    447th 383rd
    Emojify
    201st 163rd 242nd
    Evil Numbers
    705th 1,072nd 1,943rd 41st 1,721st 2,652nd
    Evil Numbers (Long)
    450th 964th 927th 102nd 1,237th
    Factorial Factorisation
    253rd 970th 298th 235th 312th
    Farey Sequence
    248th 318th 385th 81st 267th
    Fibonacci
    2,655th3,337th2,252nd6,719th940th3,870th2,604th 3,302nd4,759th4,105th 6,501st794th 8,887th 880th195th 2,447th485th 4,064th3,202nd4,798th43rd 3,412th2,881st1,080th 8,716th
    Fizz Buzz
    1,498th 1,205th126th 4,503rd 57th 5,038th
    Foo Fizz Buzz Bar
    321st 846th 18th 1,549th
    Forsyth–Edwards Notation
    315th 432nd 176th 204th
    Fractions
    166th 130th 85th 478th10th
    Game of Life
    187th 654th 251st 252nd 118th 104th
    Gijswijt’s Sequence
    153rd 136th 61st 214th
    Happy Numbers
    708th 716th 29th 816th
    Happy Numbers (Long)
    513th 360th 506th
    Hexdump
    465th 382nd
    Hilbert Curve
    138th
    Intersection
    490th 279th 222nd
    Inventory Sequence
    428th 171st 251st 303rd
    ISBN
    421st 123rd 219th 848th
    Jacobi Symbol
    391st 301st
    Kaprekar Numbers
    456th 338th 426th 137th
    Kolakoski Constant
    252nd 322nd 278th
    Kolakoski Sequence
    403rd 646th 571st 257th 693rd
    Leap Years
    1,648th 952nd 1,035th 2,019th
    Levenshtein Distance
    320th 177th
    Leyland Numbers
    189th 20th 1,006th
    ln 2
    128th 26th 891st
    Look and Say
    512th 80th 297th479th 506th 291st
    Lucky Numbers
    217th 70th 545th
    Lucky Tickets
    416th 323rd
    Mahjong
    171st 167th
    Mandelbrot
    121st 65th 100th
    Maze
    224th 203rd
    Medal Tally
    108th 318th 260th 6th 213th
    Morse Decoder
    141st 112th
    Morse Encoder
    179th 143rd
    Musical Chords
    219th 207th
    N Queens
    133rd 219th 135th 98th
    Niven Numbers
    958th 106th 267th 1,900th
    Niven Numbers (Long)
    549th 214th 574th 1,413th
    Number Spiral
    220th 160th 440th
    Odious Numbers
    570th 915th 1,655th 39th 1,865th
    Odious Numbers (Long)
    366th 833rd 623rd 37th 1,274th
    Ordinal Numbers
    789th 243rd 354th
    PalindromemordnilaP
    201st 267th 259th 72nd 278th
    Pangram Grep
    516th 376th 265th 781st
    Partition Numbers
    355th 313th 340th 112th
    Pascal’s Triangle
    959th 822nd 1,374th 324th
    Pernicious Numbers
    334th 34th 1,196th
    Pernicious Numbers (Long)
    185th 32nd 489th
    Poker
    97th 79th
    Polyominoes
    149th 147th 43rd
    Prime Numbers
    1,259th 1,353rd 1,483rd 1,247th 268th 1,037th
    Prime Numbers (Long)
    538th 851st 950th 848th 97th 1,178th
    Proximity Grid
    246th 251st 128th
    QR Decoder
    223rd 213th
    Quine
    1st 254th 2,389th 2,906th614th 2,612th 2,803rd1,277th 719th 2,435th
    Recamán
    394th 328th 69th
    Repeating Decimals
    357th 336th
    Reverse Polish Notation
    662nd 339th 252nd 439th
    Reversi
    204th 194th
    Rijndael S-box
    294th 310th 317th
    Rock-paper-scissors-Spock-lizard
    339th 294th 143rd
    Roman to Arabic
    265th 454th 37th 374th
    ROT13
    322nd 6th 463rd
    Rule 110
    539th 490th 248th
    Scrambled Sort
    161st 27th 243rd
    Set
    169th 26th 271st
    Seven Segment
    399th 264th 164th
    SI Units
    181st 206th
    Sierpiński Triangle
    356th 416th 373rd 204th
    Smith Numbers
    269th 293rd
    Spelling Numbers
    895th172nd 596th 273rd
    Star Wars GPT
    84th 46th 138th
    Star Wars Opening Crawl
    184th 148th
    Sudoku
    150th 157th
    Sudoku (Fill-in)
    206th 192nd
    Ten-pin Bowling
    283rd 274th
    Tic-tac-toe
    232nd 318th 196th 144th
    Time Distance
    129th 127th 142nd
    Tongue-twisters
    277th 214th 73rd
    Topological Sort
    128th 123rd 99th
    Transpose Sentence
    174th 274th 72nd 444th
    United States
    328th 63rd 271st 213th
    Vampire Numbers
    152nd 82nd
    Van Eck Sequence
    271st 366th 13th 530th
    Zeckendorf Representation
    89th 179th 8th 313th
    Zodiac Signs
    222nd 138th
    γ
    397th 1st762nd 380th 552nd
    λ
    375th 1,730th 70th 377th 677th 1,477th
    π
    252nd 538th296th22nd834th 103rd 1,530th
    τ
    165th 519th181st502nd673rd 95th 1,190th
    φ
    317th 581st 175th 212th 1,413th
    √2
    205th 599th 679th 36th 1,610th
    𝑒
    209th 16th699th 60th2,137th 1,626th