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    duckyluuk (he/him) 🇳🇱

    109,823
    111,424
    💎46
    🥇158
    🥈44
    🥉60

    🪨⭐

    125 / 125 Holes

    🔣

    43 / 62 Langs

    🏆

    74 / 108 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    19th 143rd 4th 323rd
    24 Game
    116th 109th 95th
    99 Bottles of Beer
    161st 99th 591st
    Abundant Numbers
    892nd 561st 295th
    Abundant Numbers (Long)
    622nd 166th 398th
    Arabic to Roman
    465th 578th 721st 350th 621st
    Arithmetic Numbers
    151st 43rd 385th
    Arrows
    248th 95th 357th
    Ascending Primes
    297th 247th 179th
    ASCII Table
    804th 296th 157th 154th
    Billiards
    75th 33rd
    brainfuck
    1,187th 113th 51st 394th
    Calendar
    120th
    Card Number Validation
    160th 13th 62nd 308th
    Catalan Numbers
    423rd 30th 671st
    Catalan’s Constant
    289th 3rd 265th
    Christmas Trees
    1,114th 427th 374th 252nd 271st
    Collatz
    1,088th 378th 1,056th 294th 1,124th
    CSS Colors
    850th 1st 222nd 297th
    Cubes
    122nd 161st
    Day of Week
    316th 105th 1st62nd 1,135th
    DFA Simulator
    23rd 262nd 124th 11th 132nd
    Diamonds
    808th 266th 204th 103rd
    Divisors
    1,307th 2,171st 798th 36th 2,451st
    Emirp Numbers
    485th 1,128th 290th 597th
    Emirp Numbers (Long)
    311th 216th
    Emojify
    224th 131st 324th
    Evil Numbers
    1,223rd 1,022nd 1,912th 46th 1,222nd 2,611th
    Evil Numbers (Long)
    792nd 1,016th 954th 118th 1,069th
    Factorial Factorisation
    209th 1,082nd 313th 160th 383rd
    Farey Sequence
    229th 301st 403rd 63rd 262nd
    Fibonacci
    2,674th3,403rd2,709th6,953rd877th4,252nd3,506th 3,360th4,814th4,172nd 6,666th 997th 9,425th 840th225th 2,434th519th 4,133rd3,257th4,909th55th 2,865th2,844th1,126th 8,578th9,220th
    Fizz Buzz
    2,115th 1,682nd 689th23rd 3,733rd 502nd 610th 4,741st2,680th
    Foo Fizz Buzz Bar
    269th 508th 24th 990th
    Forsyth–Edwards Notation
    219th 417th 103rd 260th
    Fractions
    191st 126th 96th 574th10th
    Game of Life
    158th 740th 210th 288th 89th 207th
    Gijswijt’s Sequence
    612th 157th 225th 114th 214th
    Happy Numbers
    672nd 818th 441st 805th
    Happy Numbers (Long)
    380th 144th 451st
    Hexdump
    305th 217th 336th
    Hilbert Curve
    152nd
    Intersection
    336th 450th 112th
    Inventory Sequence
    366th 162nd 174th 289th
    ISBN
    379th 124th 75th 744th
    Jacobi Symbol
    269th 194th
    Kaprekar Numbers
    571st 538th 149th
    Kolakoski Constant
    190th 329th 197th 713th
    Kolakoski Sequence
    1,158th 277th 665th 567th 147th 719th
    Leap Years
    2,168th 919th 1,001st 1,971st
    Levenshtein Distance
    218th 112th
    Leyland Numbers
    108th 4th 1,025th
    ln 2
    193rd 28th 1,012th
    Look and Say
    1,052nd 514th 82nd 274th469th 432nd 286th
    Lucky Numbers
    163rd 36th 577th
    Lucky Tickets
    82nd 58th 31st 277th
    Mahjong
    155th 121st
    Mandelbrot
    319th 31st 94th
    Maze
    190th 146th
    Medal Tally
    37th 231st 232nd 3rd 197th
    Minesweeper
    201st 25th 62nd
    Morse Decoder
    71st 43rd
    Morse Encoder
    110th 60th
    Multitap Input
    217th 125th 59th 70th
    Musical Chords
    187th 168th
    N Queens
    117th 275th 82nd 97th
    Niven Numbers
    1,135th 66th 214th 1,867th
    Niven Numbers (Long)
    685th 190th 199th 1,496th
    Number Spiral
    161st 81st 455th
    Odious Numbers
    1,016th 873rd 1,640th 44th 1,348th
    Odious Numbers (Long)
    641st 883rd 612th 42nd 1,122nd
    Ordinal Numbers
    507th 158th 356th
    PalindromemordnilaP
    64th 244th 238th 48th 188th
    Pangram Grep
    1,165th 660th 1,725th2,049th1,727th 1,341st 267th1,938th 128th 602nd 1,863rd2,114th
    Partition Numbers
    362nd 374th 316th 120th
    Pascal’s Triangle
    776th 811th 1,362nd 239th 1,172nd
    Pernicious Numbers
    965th 39th 1,258th
    Pernicious Numbers (Long)
    370th 38th 537th
    Poker
    43rd 25th
    Polyominoes
    118th 121st 53rd
    Prime Numbers
    1,579th 1,214th 1,345th 1,910th 273rd 869th
    Prime Numbers (Long)
    754th 918th 1,035th 861st 108th 1,264th
    Proximity Grid
    165th 153rd 108th
    QR Decoder
    155th 126th
    Quine
    1st 268th 2,438th 3,056th643rd 2,678th 2,866th1,328th 168th 2,486th
    Recamán
    243rd 321st 69th 831st
    Repeating Decimals
    302nd 260th 188th
    Reverse Polish Notation
    445th 289th 136th 387th
    Reversi
    86th 106th
    Rijndael S-box
    219th 210th 305th
    Rock-paper-scissors-Spock-lizard
    138th 108th 106th
    Roman to Arabic
    261st 403rd 20th 342nd
    ROT13
    803rd 495th 10th 537th
    Rule 110
    435th 393rd 228th
    Scrambled Sort
    244th 26th 191st
    Set
    299th 18th 231st
    Seven Segment
    249th 181st 172nd
    SI Units
    175th 195th
    Sierpiński Triangle
    535th 356th 446th 239th 205th
    Smith Numbers
    271st 211th 542nd
    Spelling Numbers
    398th156th 374th 214th
    Star Wars GPT
    221st 224th 126th
    Star Wars Opening Crawl
    162nd 68th
    Sudoku
    172nd 153rd
    Sudoku (Fill-in)
    137th 110th
    Ten-pin Bowling
    244th 191st
    Tic-tac-toe
    361st 303rd 88th 153rd
    Time Distance
    173rd 41st 127th
    Tongue-twisters
    223rd 197th 126th
    Topological Sort
    208th 142nd 202nd
    Tower of Hanoi
    677th 236th 589th
    Transpose Sentence
    728th 231st 219th 46th 387th
    Trinomial Triangle
    106th 164th
    United States
    263rd 189th 139th 172nd
    Vampire Numbers
    28th 35th 121st
    Van Eck Sequence
    156th 382nd 13th 562nd
    Zeckendorf Representation
    39th 162nd 8th 273rd
    Zodiac Signs
    171st 60th 174th
    γ
    262nd 1st457th 258th 858th
    λ
    253rd 1,718th 296th 238th 1,241st 1,778th
    π
    2,722nd 230th 689th241st 7th836th 78th 1,800th
    τ
    176th 604th165th 500th695th 60th 1,202nd
    φ
    440th 645th 212th 145th 1,515th
    √2
    297th 962nd 732nd 4th 1,727th
    𝑒
    280th 19th766th 68th2,275th 1,729th