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    duckyluuk (he/him) 🇳🇱

    109,822
    111,424
    💎46
    🥇158
    🥈44
    🥉60

    🪨⭐

    125 / 125 Holes

    🔣

    43 / 62 Langs

    🏆

    74 / 108 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    3rd 7th 4th 5th
    24 Game
    15th 27th 2nd
    99 Bottles of Beer
    6th 27th 6th
    Abundant Numbers
    19th 102nd 1st
    Abundant Numbers (Long)
    22nd 83rd 1st
    Arabic to Roman
    20th 24th 8th 93rd 4th
    Arithmetic Numbers
    15th 24th 2nd
    Arrows
    14th 33rd 3rd
    Ascending Primes
    9th 20th 💎
    ASCII Table
    2nd 13th 22nd 💎
    Billiards
    13th 29th
    brainfuck
    8th 11th 26th 4th
    Calendar
    1st
    Card Number Validation
    8th 1st 20th 3rd
    Catalan Numbers
    1st 1st 💎
    Catalan’s Constant
    15th 1st 58th
    Christmas Trees
    11th 7th 22nd 41st 5th
    Collatz
    14th 72nd 8th 7th 5th
    CSS Colors
    17th 1st 24th 3rd
    Cubes
    14th 38th
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    7th 17th 3rd 8th 💎
    Diamonds
    5th 14th 30th 💎
    Divisors
    1st 169th 1st 1st 5th
    Emirp Numbers
    21st 8th 46th 2nd
    Emirp Numbers (Long)
    18th 52nd
    Emojify
    11th 26th 2nd
    Evil Numbers
    5th 63rd 13th 1st 3rd 15th
    Evil Numbers (Long)
    21st 42nd 12th 40th 3rd
    Factorial Factorisation
    8th 16th 21st 24th 5th
    Farey Sequence
    17th 19th 5th 29th 1st
    Fibonacci
    13th9th18th8th43rd19th4th 23rd48th48th 30th 1st 25th 25th1st 6th1st 32nd13th54th1st 35th7th8th 36th46th
    Fizz Buzz
    2nd 1st 29th1st 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
    6th 16th 10th 5th 12th 2nd
    Gijswijt’s Sequence
    2nd 8th 4th 11th 2nd
    Happy Numbers
    9th 9th 1st 5th
    Happy Numbers (Long)
    17th 49th 4th
    Hexdump
    27th 78th 3rd
    Hilbert Curve
    35th
    Intersection
    18th 22nd 35th
    Inventory Sequence
    19th 10th 49th 3rd
    ISBN
    9th 29th 20th 3rd
    Jacobi Symbol
    20th 62nd
    Kaprekar Numbers
    17th 57th 💎
    Kolakoski Constant
    16th 5th 48th 3rd
    Kolakoski Sequence
    9th 8th 40th 6th 19th 4th
    Leap Years
    30th 185th 118th 4th
    Levenshtein Distance
    19th 49th
    Leyland Numbers
    23rd 8th 4th
    ln 2
    1st 1st 5th
    Look and Say
    3rd 13th 15th 3rd11th 24th 2nd
    Lucky Numbers
    20th 25th 3rd
    Lucky Tickets
    16th 1st 1st 2nd
    Mahjong
    18th 28th
    Mandelbrot
    5th 9th 💎
    Maze
    15th 44th
    Medal Tally
    5th 11th 5th 1st 3rd
    Minesweeper
    8th 14th 💎
    Morse Decoder
    9th 14th
    Morse Encoder
    8th 19th
    Multitap Input
    11th 12th 21st 💎
    Musical Chords
    15th 38th
    N Queens
    5th 14th 16th 💎
    Niven Numbers
    29th 1st 41st 8th
    Niven Numbers (Long)
    18th 17th 42nd 4th
    Number Spiral
    8th 9th 3rd
    Odious Numbers
    4th 53rd 14th 1st 3rd
    Odious Numbers (Long)
    5th 37th 12th 1st 3rd
    Ordinal Numbers
    15th 4th 💎
    PalindromemordnilaP
    7th 21st 5th 27th 4th
    Pangram Grep
    7th 22nd 12th40th19th 8th 41st17th 61st 4th 14th17th
    Partition Numbers
    17th 14th 39th 💎
    Pascal’s Triangle
    31st 41st 43rd 127th 6th
    Pernicious Numbers
    1st 1st 3rd
    Pernicious Numbers (Long)
    13th 1st 3rd
    Poker
    7th 11th
    Polyominoes
    12th 23rd 💎
    Prime Numbers
    33rd 83rd 88th 21st 56th 1st
    Prime Numbers (Long)
    20th 68th 43rd 21st 1st 5th
    Proximity Grid
    14th 31st 💎
    QR Decoder
    13th 28th
    Quine
    1st 1st 24th 31st1st 185th 30th1st 1st 1st
    Recamán
    13th 35th 26th 4th
    Repeating Decimals
    23rd 55th 2nd
    Reverse Polish Notation
    24th 52nd 71st 2nd
    Reversi
    13th 27th
    Rijndael S-box
    17th 45th 3rd
    Rock-paper-scissors-Spock-lizard
    15th 52nd 💎
    Roman to Arabic
    9th 25th 1st 1st
    ROT13
    2nd 6th 1st 4th
    Rule 110
    24th 79th 3rd
    Scrambled Sort
    11th 7th 💎
    Set
    10th 11th 2nd
    Seven Segment
    21st 51st 2nd
    SI Units
    15th 38th
    Sierpiński Triangle
    4th 13th 18th 49th 💎
    Smith Numbers
    14th 35th 2nd
    Spelling Numbers
    13th81st 53rd 💎
    Star Wars GPT
    10th 30th 2nd
    Star Wars Opening Crawl
    14th 31st
    Sudoku
    11th 26th
    Sudoku (Fill-in)
    13th 31st
    Ten-pin Bowling
    15th 40th
    Tic-tac-toe
    9th 24th 29th 💎
    Time Distance
    14th 18th 2nd
    Tongue-twisters
    11th 18th 💎
    Topological Sort
    10th 10th 17th
    Tower of Hanoi
    32nd 11th 3rd
    Transpose Sentence
    3rd 14th 4th 19th 4th
    Trinomial Triangle
    48th 2nd
    United States
    13th 4th 39th 💎
    Vampire Numbers
    11th 19th 💎
    Van Eck Sequence
    9th 24th 1st 2nd
    Zeckendorf Representation
    3rd 19th 1st 5th
    Zodiac Signs
    13th 24th 💎
    γ
    16th 1st3rd 39th 4th
    λ
    19th 16th 3rd 65th 4th 9th
    π
    16th 5th 7th14th 1st5th 16th 4th
    τ
    4th 6th13th 62nd4th 11th 4th
    φ
    23rd 11th 44th 57th 5th
    √2
    1st 23rd 15th 1st 5th
    𝑒
    1st 1st6th 1st40th 5th