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    duckyluuk (he/him) 🇳🇱

    112,521
    113,743
    💎42
    🥇154
    🥈48
    🥉63

    🪨⭐

    128 / 128 Holes

    🔣

    43 / 64 Langs

    🏆

    76 / 110 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    3rd 7th 5th 5th
    24 Game
    16th 36th 2nd
    99 Bottles of Beer
    6th 28th 6th
    Abundant Numbers
    19th 110th 1st
    Abundant Numbers (Long)
    25th 90th 1st
    Arabic to Roman
    22nd 24th 7th 96th 4th
    Arithmetic Numbers
    15th 24th 2nd
    Arrows
    16th 41st 3rd
    Ascending Primes
    9th 21st 💎
    ASCII Table
    2nd 13th 22nd 💎
    Billiards
    16th 35th
    brainfuck
    9th 13th 28th 4th
    Calendar
    4th 1st
    Card Number Validation
    9th 1st 23rd 3rd
    Catalan Numbers
    1st 1st 💎
    Catalan’s Constant
    18th 1st 65th 3rd
    Christmas Trees
    11th 7th 23rd 44th 5th
    Collatz
    14th 75th 10th 8th 6th
    Continued Fractions
    15th 1st
    CSS Colors
    4th 1st 30th 3rd
    Cubes
    16th 44th
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    7th 17th 3rd 8th 💎
    Diamonds
    6th 15th 32nd 💎
    Divisors
    1st 170th 1st 1st 5th
    Emirp Numbers
    22nd 8th 48th 2nd
    Emirp Numbers (Long)
    19th 57th
    Emojify
    11th 26th 2nd
    Evil Numbers
    5th 64th 15th 1st 3rd 15th
    Evil Numbers (Long)
    21st 44th 13th 41st 3rd
    Factorial Factorisation
    8th 18th 21st 24th 5th
    Farey Sequence
    17th 19th 5th 29th 2nd
    Fibonacci
    13th9th18th9th43rd19th4th 24th50th49th 31st 1st 25th 28th1st 7th1st 32nd13th57th1st 35th7th8th 36th46th
    Fizz Buzz
    2nd 1st 31st1st 10th 1st 1st 3rd1st
    Foo Fizz Buzz Bar
    1st 33rd 1st 5th
    Forsyth–Edwards Notation
    11th 5th 25th 3rd
    Fractions
    1st 1st 1st 2nd1st
    Game of Life
    7th 17th 10th 5th 13th 2nd
    Gijswijt’s Sequence
    2nd 10th 5th 16th 2nd
    Gray Code Decoder
    9th 34th
    Gray Code Encoder
    16th 1st
    Happy Numbers
    9th 9th 1st 6th
    Happy Numbers (Long)
    17th 51st 3rd
    Hexdump
    29th 82nd 3rd
    Hilbert Curve
    42nd
    Intersection
    18th 23rd 36th
    Inventory Sequence
    19th 10th 51st 3rd
    ISBN
    9th 30th 22nd 3rd
    Jacobi Symbol
    23rd 70th
    Kaprekar Numbers
    21st 35th 65th 💎
    Kolakoski Constant
    16th 5th 50th 4th
    Kolakoski Sequence
    9th 8th 40th 6th 20th 4th
    Leap Years
    31st 186th 123rd 4th
    Levenshtein Distance
    22nd 34th 3rd
    Leyland Numbers
    23rd 8th 4th
    ln 2
    1st 1st 5th
    Look and Say
    3rd 13th 15th 3rd12th 25th 2nd
    Lucky Numbers
    23rd 34th 3rd
    Lucky Tickets
    17th 1st 1st 2nd
    Mahjong
    21st 37th
    Mandelbrot
    6th 9th 💎
    Maze
    18th 51st
    Medal Tally
    6th 11th 5th 1st 3rd
    Minesweeper
    8th 15th 💎
    Morse Decoder
    9th 14th
    Morse Encoder
    8th 20th
    Multitap Input
    13th 12th 22nd 2nd
    Musical Chords
    18th 45th
    N Queens
    5th 14th 17th 2nd
    Niven Numbers
    31st 1st 52nd 8th
    Niven Numbers (Long)
    20th 17th 49th 3rd
    Number Spiral
    9th 9th 3rd
    Odious Numbers
    4th 54th 15th 1st 3rd
    Odious Numbers (Long)
    5th 39th 12th 1st 3rd
    Ordinal Numbers
    16th 5th 💎
    PalindromemordnilaP
    9th 22nd 5th 27th 4th
    Pangram Grep
    7th 22nd 13th41st12th 8th 43rd18th 63rd 4th 15th7th
    Partition Numbers
    19th 17th 43rd 💎
    Pascal’s Triangle
    34th 42nd 49th 136th 6th
    Pernicious Numbers
    1st 1st 4th
    Pernicious Numbers (Long)
    13th 1st 3rd
    Poker
    9th 20th
    Polyominoes
    12th 26th 💎
    Prime Numbers
    35th 85th 91st 22nd 59th 1st
    Prime Numbers (Long)
    22nd 69th 45th 22nd 1st 5th
    Proximity Grid
    14th 31st 💎
    QR Decoder
    13th 34th
    Quine
    1st 1st 25th 36th1st 185th 30th1st 1st 1st
    Recamán
    13th 35th 28th 4th
    Repeating Decimals
    25th 59th 2nd
    Reverse Polish Notation
    24th 54th 72nd 2nd
    Reversi
    13th 27th
    Rijndael S-box
    18th 51st 3rd
    Rock-paper-scissors-Spock-lizard
    18th 58th 💎
    Roman to Arabic
    9th 25th 1st 1st
    ROT13
    2nd 8th 1st 4th
    Rule 110
    26th 85th 3rd
    Scrambled Sort
    12th 7th 💎
    Set
    10th 12th 2nd
    Seven Segment
    22nd 54th 2nd
    SI Units
    17th 45th
    Sierpiński Triangle
    4th 13th 18th 55th 💎
    Smith Numbers
    17th 42nd 3rd
    Spelling Numbers
    15th83rd 54th 💎
    Star Wars GPT
    11th 32nd 2nd
    Star Wars Opening Crawl
    14th 31st
    Sudoku
    12th 32nd
    Sudoku (Fill-in)
    14th 33rd
    Ten-pin Bowling
    18th 47th
    Tic-tac-toe
    11th 25th 29th 💎
    Time Distance
    14th 18th 2nd
    Tongue-twisters
    11th 18th 💎
    Topological Sort
    11th 11th 18th
    Tower of Hanoi
    7th 34th 13th 3rd
    Transpose Sentence
    3rd 14th 5th 20th 4th
    Trinomial Triangle
    22nd 54th 2nd
    United States
    13th 4th 40th 💎
    Vampire Numbers
    12th 19th 💎
    Van Eck Sequence
    9th 25th 1st 2nd
    Zeckendorf Representation
    3rd 21st 1st 6th
    Zodiac Signs
    13th 25th 💎
    γ
    19th 1st3rd 45th 4th
    λ
    22nd 16th 3rd 71st 4th 9th
    π
    16th 5th 7th14th 1st5th 16th 4th
    τ
    4th 6th13th 63rd4th 11th 4th
    φ
    23rd 11th 45th 58th 5th
    √2
    1st 24th 15th 1st 5th
    𝑒
    1st 1st6th 1st43rd 6th