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    duckyluuk (he/him) 🇳🇱

    106,357
    108,423
    💎36
    🥇144
    🥈30
    🥉54

    🪨⭐

    122 / 122 Holes

    🔣

    43 / 61 Langs

    🏆

    67 / 91 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    5th 7th 3rd 5th
    24 Game
    13th 20th 2nd
    99 Bottles of Beer
    5th 25th 6th
    Abundant Numbers
    19th 96th 1st
    Abundant Numbers (Long)
    22nd 74th 1st
    Arabic to Roman
    19th 24th 7th 86th 3rd
    Arithmetic Numbers
    15th 23rd
    Arrows
    14th 30th
    Ascending Primes
    16th 35th
    ASCII Table
    12th 20th 3rd
    Billiards
    12th 24th
    brainfuck
    7th 11th 37th
    Card Number Validation
    8th 1st 19th 2nd
    Catalan Numbers
    1st 1st
    Catalan’s Constant
    15th 1st 56th
    Christmas Trees
    7th 22nd 37th 4th
    Collatz
    30th 69th 7th 115th 5th
    CSS Colors
    16th 1st 23rd 3rd
    Cubes
    14th 36th
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    6th 15th 3rd 7th 💎
    Diamonds
    14th 29th 💎
    Divisors
    1st 166th 1st 1st 4th
    Emirp Numbers
    20th 7th 38th 2nd
    Emirp Numbers (Long)
    18th 46th
    Emojify
    11th 25th 2nd
    Evil Numbers
    5th 62nd 12th 1st 4th 14th
    Evil Numbers (Long)
    18th 42nd 11th 35th 3rd
    Factorial Factorisation
    8th 14th 20th 20th 5th
    Farey Sequence
    17th 19th 5th 26th 1st
    Fibonacci
    13th9th15th8th42nd18th4th 23rd45th47th 28th 1st 25th 17th1st 6th1st 32nd13th48th1st 30th7th7th 33rd41st
    Fizz Buzz
    1st 21st1st 8th 1st 3rd
    Foo Fizz Buzz Bar
    1st 33rd 1st 4th
    Forsyth–Edwards Notation
    10th 5th 22nd 2nd
    Fractions
    1st 1st 1st 2nd1st
    Game of Life
    6th 14th 10th 5th 10th 1st
    Gijswijt’s Sequence
    8th 4th 11th 2nd
    Happy Numbers
    8th 8th 1st 5th
    Happy Numbers (Long)
    17th 42nd 4th
    Hexdump
    26th 72nd
    Hilbert Curve
    23rd
    Intersection
    18th 22nd 32nd
    Inventory Sequence
    19th 10th 43rd 3rd
    ISBN
    9th 29th 18th 3rd
    Jacobi Symbol
    18th 56th
    Kaprekar Numbers
    15th 28th 46th 💎
    Kolakoski Constant
    14th 5th 43rd
    Kolakoski Sequence
    7th 40th 6th 19th 4th
    Leap Years
    30th 180th 112th 4th
    Levenshtein Distance
    22nd 41st
    Leyland Numbers
    22nd 7th 4th
    ln 2
    1st 1st 5th
    Look and Say
    11th 15th 2nd11th 67th 2nd
    Lucky Numbers
    19th 20th 3rd
    Lucky Tickets
    17th 47th
    Mahjong
    15th 27th
    Mandelbrot
    4th 9th 💎
    Maze
    15th 40th
    Medal Tally
    5th 26th 5th 1st 3rd
    Minesweeper
    4th 8th 💎
    Morse Decoder
    9th 14th
    Morse Encoder
    8th 17th
    Musical Chords
    12th 31st
    N Queens
    5th 13th 15th 💎
    Niven Numbers
    27th 1st 36th 7th
    Niven Numbers (Long)
    17th 16th 37th 4th
    Number Spiral
    8th 8th 3rd
    Odious Numbers
    4th 52nd 12th 1st 4th
    Odious Numbers (Long)
    5th 37th 11th 1st 3rd
    Ordinal Numbers
    23rd 4th 💎
    PalindromemordnilaP
    6th 19th 5th 18th 3rd
    Pangram Grep
    7th 21st 12th36th18th 8th 40th17th 53rd 3rd 13th13th
    Partition Numbers
    14th 14th 32nd 💎
    Pascal’s Triangle
    29th 40th 41st 120th 6th
    Pernicious Numbers
    1st 1st 3rd
    Pernicious Numbers (Long)
    12th 1st 3rd
    Poker
    6th 11th
    Polyominoes
    12th 21st 💎
    Prime Numbers
    31st 81st 86th 16th 50th 1st
    Prime Numbers (Long)
    20th 66th 42nd 15th 1st 5th
    Proximity Grid
    14th 29th 💎
    QR Decoder
    13th 26th
    Quine
    1st 1st 25th 29th1st 184th 27th1st 1st 1st
    Recamán
    13th 35th 23rd
    Repeating Decimals
    21st 53rd
    Reverse Polish Notation
    23rd 52nd 65th 2nd
    Reversi
    13th 27th
    Rijndael S-box
    17th 38th 3rd
    Rock-paper-scissors-Spock-lizard
    15th 50th 💎
    Roman to Arabic
    8th 24th 1st 1st
    ROT13
    6th 1st 3rd
    Rule 110
    24th 72nd 3rd
    Scrambled Sort
    11th 6th 💎
    Set
    9th 9th 2nd
    Seven Segment
    20th 47th 2nd
    SI Units
    15th 36th
    Sierpiński Triangle
    13th 18th 47th 💎
    Smith Numbers
    12th 37th
    Spelling Numbers
    21st78th 52nd 💎
    Star Wars GPT
    9th 24th 2nd
    Star Wars Opening Crawl
    14th 30th
    Sudoku
    11th 25th
    Sudoku (Fill-in)
    13th 31st
    Ten-pin Bowling
    15th 37th
    Tic-tac-toe
    9th 23rd 26th 💎
    Time Distance
    14th 15th 2nd
    Tongue-twisters
    9th 17th 💎
    Topological Sort
    9th 7th 14th
    Transpose Sentence
    14th 3rd 18th 4th
    Trinomial Triangle
    41st 💎
    United States
    13th 3rd 37th 💎
    Vampire Numbers
    11th 18th
    Van Eck Sequence
    8th 24th 1st 2nd
    Zeckendorf Representation
    3rd 18th 1st 5th
    Zodiac Signs
    17th 30th
    γ
    13th 1st3rd 32nd 4th
    λ
    16th 15th 2nd 60th 4th 8th
    π
    5th 7th14th 1st5th 13th 3rd
    τ
    4th 6th13th 61st4th 9th 4th
    φ
    23rd 9th 43rd 55th 5th
    √2
    1st 17th 15th 1st 5th
    𝑒
    1st 1st6th 1st33rd 5th