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    duckyluuk (he/him) 🇳🇱

    114,402
    115,117
    💎70
    🥇191
    🥈45
    🥉64

    🪨⭐

    130 / 131 Holes

    🔣

    43 / 65 Langs

    🏆

    78 / 114 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    4th 8th 7th 💎
    24 Game
    16th 38th 2nd
    99 Bottles of Beer
    6th 30th 6th
    Abundant Numbers
    19th 112th 1st
    Abundant Numbers (Long)
    26th 92nd 1st
    Alphabetic Numbers
    2nd 6th 9th 💎
    Arabic to Roman
    21st 24th 8th 99th 4th
    Arithmetic Numbers
    15th 24th 💎
    Arrows
    17th 44th 3rd
    Ascending Primes
    10th 26th 2nd
    ASCII Table
    2nd 13th 22nd 💎
    Billiards
    16th 37th
    brainfuck
    9th 14th 29th 4th
    Calendar
    4th 1st
    Card Number Validation
    10th 1st 26th 3rd
    Catalan Numbers
    1st 1st 💎
    Catalan’s Constant
    18th 1st 67th 💎
    Christmas Trees
    12th 7th 23rd 50th 6th
    Collatz
    14th 78th 10th 10th 7th
    Continued Fractions
    7th 1st 3rd
    CSS Colors
    5th 1st 30th 3rd
    Cubes
    16th 44th
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    7th 17th 3rd 8th 💎
    Diamonds
    6th 15th 34th 💎
    Divisors
    1st 172nd 1st 1st 1st
    Emirp Numbers
    22nd 8th 50th 3rd
    Emirp Numbers (Long)
    19th 59th 3rd
    Emojify
    11th 28th 2nd
    Evil Numbers
    5th 65th 16th 1st 4th 16th
    Evil Numbers (Long)
    21st 46th 13th 43rd 4th
    Factorial Factorisation
    8th 19th 22nd 25th 5th
    Farey Sequence
    18th 19th 5th 31st 2nd
    Fibonacci
    13th9th20th9th44th20th5th 24th52nd51st 33rd 1st 25th 31st1st 7th1st 32nd13th57th1st 35th7th9th 36th46th
    Fizz Buzz
    2nd 1st 31st1st 10th 1st 1st 4th1st
    Foo Fizz Buzz Bar
    1st 34th 1st 6th
    Forsyth–Edwards Notation
    11th 5th 25th 3rd
    Fractions
    1st 1st 1st 2nd1st
    Game of Life
    7th 18th 11th 5th 15th 2nd
    Gijswijt’s Sequence
    2nd 10th 5th 18th 2nd
    Gray Code Decoder
    11th 40th 4th
    Gray Code Encoder
    17th 1st 💎
    Happy Numbers
    9th 9th 1st 7th
    Happy Numbers (Long)
    17th 53rd 3rd
    Hexdump
    27th 86th 3rd
    Hilbert Curve
    💎 2nd 💎
    Intersection
    18th 23rd 36th
    Inventory Sequence
    19th 11th 54th 3rd
    ISBN
    9th 30th 23rd 3rd
    Jacobi Symbol
    21st 72nd
    Kaprekar Numbers
    20th 38th 67th 💎
    Kolakoski Constant
    16th 5th 51st 💎
    Kolakoski Sequence
    10th 8th 41st 6th 21st 2nd
    Leap Years
    30th 193rd 126th 5th
    Levenshtein Distance
    24th 44th 3rd
    Leyland Numbers
    25th 8th 4th
    ln 2
    1st 1st 2nd
    Look and Say
    3rd 13th 15th 3rd12th 26th 2nd
    Lucky Numbers
    22nd 36th 3rd
    Lucky Tickets
    18th 1st 1st 3rd
    Mahjong
    20th 40th
    Mandelbrot
    6th 7th 💎
    Maze
    20th 54th
    Medal Tally
    6th 12th 5th 1st 3rd
    Minesweeper
    8th 16th 💎
    Morse Decoder
    9th 14th 3rd
    Morse Encoder
    8th 22nd 1st
    Multitap Input
    13th 13th 25th 💎
    Musical Chords
    17th 46th
    N Queens
    5th 16th 19th 2nd
    Niven Numbers
    32nd 1st 53rd 4th
    Niven Numbers (Long)
    20th 17th 52nd 4th
    Number Spiral
    9th 9th 3rd
    Odious Numbers
    4th 56th 16th 1st 4th
    Odious Numbers (Long)
    5th 41st 12th 1st 4th
    Ordinal Numbers
    18th 7th 💎
    PalindromemordnilaP
    11th 23rd 5th 30th 4th
    Pangram Grep
    7th 22nd 13th41st19th 8th 43rd19th 65th 4th 16th12th
    Partition Numbers
    18th 18th 44th 💎
    Pascal’s Triangle
    33rd 42nd 49th 136th 7th
    Pernicious Numbers
    1st 1st 4th
    Pernicious Numbers (Long)
    13th 1st 4th
    Poker
    10th 20th
    Polyominoes
    12th 27th 💎
    Prime Numbers
    34th 88th 93rd 22nd 62nd 1st
    Prime Numbers (Long)
    22nd 72nd 47th 22nd 1st 1st
    Proximity Grid
    15th 35th 💎
    QR Decoder
    13th 35th
    Quine
    1st 1st 25th 35th1st 185th 30th1st 1st 1st
    Recamán
    13th 35th 30th 4th
    Repeating Decimals
    24th 61st 2nd
    Reverse Polish Notation
    24th 58th 74th 3rd
    Reversi
    15th 32nd 💎
    Rijndael S-box
    16th 42nd 3rd
    Rock-paper-scissors-Spock-lizard
    17th 59th 💎
    Roman to Arabic
    9th 25th 1st 1st
    ROT13
    2nd 8th 1st 4th
    Rule 110
    25th 87th 3rd
    Scrambled Sort
    13th 11th 💎
    Set
    10th 13th 3rd
    Seven Segment
    21st 56th 2nd
    SI Units
    16th 45th
    Sierpiński Triangle
    4th 13th 18th 56th 💎
    Smith Numbers
    16th 42nd 3rd
    Spelling Numbers
    16th89th 59th 💎
    Star Wars GPT
    13th 37th 2nd
    Star Wars Opening Crawl
    15th 34th
    Sudoku
    12th 34th
    Sudoku (Fill-in)
    14th 36th
    Taxicab Numbers
    12th 30th 1st
    Ten-pin Bowling
    18th 49th
    Tic-tac-toe
    11th 27th 32nd 💎
    Time Distance
    11th 19th 💎
    Tongue-twisters
    12th 19th 1st
    Topological Sort
    11th 11th 18th
    Tower of Hanoi
    7th 36th 14th 3rd
    Transpose Sentence
    3rd 14th 8th 22nd 💎
    Trinomial Triangle
    22nd 57th 3rd
    United States
    13th 5th 42nd 💎
    Vampire Numbers
    12th 20th 💎
    Van Eck Sequence
    9th 26th 1st 2nd
    Zeckendorf Representation
    3rd 21st 1st 6th
    Zodiac Signs
    13th 25th 💎
    γ
    19th 1st3rd 46th 💎
    λ
    32nd 16th 3rd 75th 1st 9th
    π
    15th 5th 8th16th 1st5th 19th 💎
    τ
    4th 7th16th 66th4th 11th 2nd
    φ
    23rd 12th 46th 9th 61st 2nd
    √2
    1st 26th 16th6th 1st 💎
    𝑒
    1st 1st6th 1st43rd 💎