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    duckyluuk (he/him) 🇳🇱

    117,962
    118,230
    💎96
    🥇228
    🥈51
    🥉61

    🪨⭐

    133 / 133 Holes

    🔣

    45 / 65 Langs

    🏆

    80 / 116 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    4th 8th 7th 💎
    24 Game
    17th 40th 2nd
    99 Bottles of Beer
    6th 32nd 💎
    Abundant Numbers
    19th 114th 1st
    Abundant Numbers (Long)
    26th 92nd 1st
    Alphabetic Numbers
    2nd 6th 9th 💎
    Arabic to Roman
    22nd 25th 8th 104th 3rd
    Arithmetic Numbers
    15th 27th 💎
    Arrows
    17th 28th 2nd
    Ascending Primes
    10th 29th 2nd
    ASCII Table
    2nd 13th 23rd 💎
    Billiards
    12th 33rd 4th
    brainfuck
    9th 14th 29th 4th
    Calendar
    4th 1st 💎
    Card Number Validation
    10th 1st 30th 3rd
    Catalan Numbers
    1st 1st 💎
    Catalan’s Constant
    20th 1st 71st 💎
    Christmas Trees
    12th 7th 23rd 51st 7th
    Collatz
    15th 84th 10th 11th 7th
    Connect Four
    2nd 4th 💎
    Continued Fractions
    7th 1st 💎
    CSS Colors
    5th 1st 34th 3rd
    Cubes
    17th 47th 3rd
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    7th 23rd 3rd 10th 💎
    Diamonds
    6th 16th 37th 💎
    Divisors
    1st 173rd 1st 1st 1st
    Emirp Numbers
    21st 8th 52nd 3rd
    Emirp Numbers (Long)
    19th 62nd 3rd
    Emojify
    11th 29th 2nd
    Evil Numbers
    5th 66th 16th 1st 4th 16th
    Evil Numbers (Long)
    22nd 48th 13th 44th 4th
    Factorial Factorisation
    8th 19th 21st 28th 5th
    Farey Sequence
    18th 19th 5th 32nd 2nd
    Fibonacci
    37th13th9th21st9th47th20th5th 24th52nd54th 33rd 1st 27th 34th1st 7th1st 33rd14th58th1st 36th7th10th168th 38th46th
    Fizz Buzz
    2nd 1st 33rd1st 11th 1st 1st 1st1st
    Foo Fizz Buzz Bar
    1st 38th 1st 1st
    Forsyth–Edwards Notation
    11th 5th 25th 3rd
    Fractions
    1st 1st 1st 2nd1st
    Game of Life
    8th 19th 11th 5th 16th 2nd
    Gijswijt’s Sequence
    2nd 10th 8th 5th 20th 2nd
    Gray Code Decoder
    11th 42nd 4th
    Gray Code Encoder
    18th 1st 💎
    Happy Numbers
    9th 9th 1st 1st
    Happy Numbers (Long)
    17th 55th 3rd
    Hexdump
    24th 68th 3rd
    Hilbert Curve
    💎 3rd 💎
    Intersection
    18th 24th 36th 4th
    Inventory Sequence
    20th 11th 57th 3rd
    ISBN
    9th 31st 24th 3rd
    Jacobi Symbol
    21st 67th 💎
    Kaprekar Numbers
    20th 40th 66th 💎
    Kolakoski Constant
    16th 5th 54th 💎
    Kolakoski Sequence
    10th 8th 42nd 6th 23rd 2nd
    Leap Years
    26th 206th 101st 5th
    Levenshtein Distance
    24th 50th 💎
    Leyland Numbers
    26th 10th 1st
    ln 2
    1st 1st 2nd
    Look and Say
    3rd 13th 15th 3rd12th 29th 2nd
    Lucky Numbers
    22nd 39th 3rd
    Lucky Tickets
    19th 1st 1st 3rd
    Mahjong
    20th 43rd
    Mandelbrot
    6th 8th 💎
    Maze
    20th 53rd 💎
    Medal Tally
    6th 14th 5th 1st 3rd
    Minesweeper
    8th 16th 💎
    Morse Decoder
    9th 15th 3rd
    Morse Encoder
    8th 24th 1st
    Multitap Input
    14th 14th 30th 2nd
    Musical Chords
    12th 28th 2nd
    N Queens
    5th 17th 21st 💎
    Nim
    7th 7th 12th 💎
    Niven Numbers
    33rd 1st 54th 4th
    Niven Numbers (Long)
    20th 17th 53rd 4th
    Number Spiral
    9th 10th 3rd
    Odious Numbers
    4th 58th 16th 1st 4th
    Odious Numbers (Long)
    5th 43rd 12th 1st 4th
    Ordinal Numbers
    18th 7th 💎
    PalindromemordnilaP
    11th 23rd 5th 33rd 4th
    Pangram Grep
    7th 23rd 13th41st19th 8th 44th19th 66th 4th 16th12th
    Partition Numbers
    18th 19th 47th 💎
    Pascal’s Triangle
    33rd 42nd 49th 138th 6th
    Pernicious Numbers
    1st 1st 4th
    Pernicious Numbers (Long)
    13th 1st 4th
    Poker
    10th 22nd
    Polyominoes
    12th 29th 💎
    Prime Numbers
    35th 90th 94th 24th 69th 1st
    Prime Numbers (Long)
    23rd 73rd 48th 24th 1st 1st
    Proximity Grid
    15th 37th 💎
    QR Decoder
    12th 26th
    Quine
    1st 1st 26th 36th1st 187th 30th1st 1st 1st
    Recamán
    13th 35th 32nd 4th
    Repeating Decimals
    24th 63rd 2nd
    Reverse Polish Notation
    24th 59th 76th 3rd
    Reversi
    15th 36th 💎
    Rijndael S-box
    16th 38th 💎
    Rock-paper-scissors-Spock-lizard
    18th 62nd 💎
    Roman to Arabic
    10th 26th 1st 1st
    ROT13
    2nd 8th 1st 4th
    Rule 110
    25th 91st 3rd
    Scrambled Sort
    13th 14th 💎
    Set
    11th 15th 3rd
    Seven Segment
    22nd 61st 1st
    SI Units
    16th 49th
    Sierpiński Triangle
    4th 13th 19th 58th 💎
    Smith Numbers
    16th 44th 3rd
    Spelling Numbers
    17th93rd 60th 💎
    Star Wars GPT
    14th 39th 2nd
    Star Wars Opening Crawl
    15th 36th 2nd
    Sudoku
    12th 36th 💎
    Sudoku (Fill-in)
    14th 37th 💎
    Taxicab Numbers
    12th 35th 1st
    Ten-pin Bowling
    18th 52nd
    Tic-tac-toe
    11th 28th 35th 💎
    Time Distance
    11th 21st 💎
    Tongue-twisters
    14th 21st 1st
    Topological Sort
    7th 11th 10th 💎
    Tower of Hanoi
    7th 39th 16th 3rd
    Transpose Sentence
    3rd 14th 8th 23rd 💎
    Trinomial Triangle
    22nd 60th 2nd
    Ulam Sequence
    27th 2nd
    United States
    13th 5th 44th 💎
    Vampire Numbers
    12th 26th 💎
    Van Eck Sequence
    10th 27th 1st 1st
    Zeckendorf Representation
    3rd 21st 1st 💎
    Zodiac Signs
    14th 26th 💎
    γ
    19th 1st3rd 48th 1st
    λ
    33rd 17th 3rd 78th 2nd 9th
    π
    15th 5th 9th17th 1st5th 20th 💎
    τ
    4th 9th17th 68th4th 13th 💎
    φ
    25th 13th 48th 10th 64th 2nd
    √2
    1st 26th 17th8th 1st 💎
    𝑒
    1st 1st6th 1st43rd 💎