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    duckyluuk (he/him) 🇳🇱

    107,980
    109,756
    💎44
    🥇155
    🥈37
    🥉61

    🪨⭐

    123 / 123 Holes

    🔣

    43 / 62 Langs

    🏆

    67 / 96 Cheevos

    📅

    1 Hole Authored

    3 Referrals

    12 Days of Christmas
    5th 7th 3rd 5th
    24 Game
    15th 24th 2nd
    99 Bottles of Beer
    6th 26th 6th
    Abundant Numbers
    19th 98th 1st
    Abundant Numbers (Long)
    22nd 77th 1st
    Arabic to Roman
    20th 24th 7th 91st 4th
    Arithmetic Numbers
    15th 23rd 2nd
    Arrows
    14th 33rd 3rd
    Ascending Primes
    9th 20th 💎
    ASCII Table
    12th 20th 💎
    Billiards
    12th 26th
    brainfuck
    7th 11th 26th 4th
    Card Number Validation
    8th 1st 19th 3rd
    Catalan Numbers
    1st 1st 💎
    Catalan’s Constant
    15th 1st 57th
    Christmas Trees
    7th 22nd 40th 5th
    Collatz
    13th 72nd 8th 7th 5th
    CSS Colors
    17th 1st 23rd 3rd
    Cubes
    14th 38th
    Day of Week
    1st 1st 1st1st 3rd
    DFA Simulator
    6th 16th 3rd 7th 💎
    Diamonds
    14th 30th 💎
    Divisors
    1st 168th 1st 1st 5th
    Emirp Numbers
    21st 7th 44th 2nd
    Emirp Numbers (Long)
    18th 48th
    Emojify
    11th 26th 2nd
    Evil Numbers
    5th 63rd 12th 1st 3rd 14th
    Evil Numbers (Long)
    20th 42nd 11th 38th 3rd
    Factorial Factorisation
    8th 15th 21st 24th 5th
    Farey Sequence
    17th 19th 5th 28th 1st
    Fibonacci
    13th9th18th8th42nd18th4th 23rd47th48th 29th 1st 25th 23rd1st 6th1st 32nd13th50th1st 30th7th7th 34th43rd
    Fizz Buzz
    1st 27th1st 9th 1st 1st 3rd1st
    Foo Fizz Buzz Bar
    1st 33rd 1st 5th
    Forsyth–Edwards Notation
    10th 5th 23rd 3rd
    Fractions
    1st 1st 1st 2nd1st
    Game of Life
    6th 16th 10th 5th 12th 2nd
    Gijswijt’s Sequence
    8th 4th 11th 2nd
    Happy Numbers
    8th 8th 1st 5th
    Happy Numbers (Long)
    17th 47th 4th
    Hexdump
    27th 76th 3rd
    Hilbert Curve
    31st
    Intersection
    18th 22nd 35th
    Inventory Sequence
    19th 10th 45th 3rd
    ISBN
    9th 29th 20th 3rd
    Jacobi Symbol
    19th 58th
    Kaprekar Numbers
    18th 49th 💎
    Kolakoski Constant
    16th 5th 47th 3rd
    Kolakoski Sequence
    7th 40th 6th 19th 4th
    Leap Years
    30th 182nd 115th 4th
    Levenshtein Distance
    23rd 45th
    Leyland Numbers
    22nd 8th 4th
    ln 2
    1st 1st 5th
    Look and Say
    11th 15th 2nd11th 67th 2nd
    Lucky Numbers
    20th 22nd 3rd
    Lucky Tickets
    15th 1st 1st 2nd
    Mahjong
    17th 28th
    Mandelbrot
    5th 9th 💎
    Maze
    15th 42nd
    Medal Tally
    5th 26th 5th 1st 3rd
    Minesweeper
    7th 13th 💎
    Morse Decoder
    9th 14th
    Morse Encoder
    8th 17th
    Musical Chords
    14th 35th
    N Queens
    5th 14th 16th 💎
    Niven Numbers
    28th 1st 39th 7th
    Niven Numbers (Long)
    18th 16th 40th 4th
    Number Spiral
    8th 8th 3rd
    Odious Numbers
    4th 52nd 13th 1st 3rd
    Odious Numbers (Long)
    5th 37th 11th 1st 3rd
    Ordinal Numbers
    23rd 4th 💎
    PalindromemordnilaP
    7th 20th 5th 25th 4th
    Pangram Grep
    7th 22nd 12th38th19th 8th 40th17th 60th 4th 13th16th
    Partition Numbers
    15th 14th 33rd 💎
    Pascal’s Triangle
    29th 40th 41st 125th 6th
    Pernicious Numbers
    1st 1st 3rd
    Pernicious Numbers (Long)
    13th 1st 3rd
    Poker
    6th 11th
    Polyominoes
    12th 22nd 💎
    Prime Numbers
    33rd 82nd 87th 17th 53rd 1st
    Prime Numbers (Long)
    20th 67th 42nd 16th 1st 5th
    Proximity Grid
    14th 30th 💎
    QR Decoder
    13th 28th
    Quine
    1st 1st 25th 30th1st 185th 28th1st 1st 1st
    Recamán
    13th 35th 23rd 4th
    Repeating Decimals
    23rd 52nd 2nd
    Reverse Polish Notation
    24th 52nd 68th 2nd
    Reversi
    13th 27th
    Rijndael S-box
    17th 42nd 3rd
    Rock-paper-scissors-Spock-lizard
    15th 51st 💎
    Roman to Arabic
    9th 25th 1st 1st
    ROT13
    6th 1st 4th
    Rule 110
    24th 77th 3rd
    Scrambled Sort
    11th 7th 💎
    Set
    9th 10th 2nd
    Seven Segment
    21st 50th 2nd
    SI Units
    16th 37th
    Sierpiński Triangle
    13th 18th 48th 💎
    Smith Numbers
    13th 33rd 2nd
    Spelling Numbers
    22nd80th 52nd 💎
    Star Wars GPT
    11th 26th 2nd
    Star Wars Opening Crawl
    14th 31st
    Sudoku
    11th 26th
    Sudoku (Fill-in)
    13th 30th
    Ten-pin Bowling
    15th 38th
    Tic-tac-toe
    9th 23rd 26th 💎
    Time Distance
    14th 15th 2nd
    Tongue-twisters
    9th 19th 💎
    Topological Sort
    9th 8th 14th
    Tower of Hanoi
    29th 8th 3rd
    Transpose Sentence
    14th 3rd 19th 4th
    Trinomial Triangle
    43rd 2nd
    United States
    13th 3rd 37th 💎
    Vampire Numbers
    11th 18th 💎
    Van Eck Sequence
    8th 24th 1st 2nd
    Zeckendorf Representation
    3rd 18th 1st 5th
    Zodiac Signs
    13th 23rd 💎
    γ
    16th 1st3rd 38th 4th
    λ
    18th 15th 3rd 64th 4th 8th
    π
    5th 7th14th 1st5th 15th 4th
    τ
    4th 6th13th 62nd4th 10th 3rd
    φ
    23rd 11th 44th 57th 5th
    √2
    1st 22nd 15th 1st 5th
    𝑒
    1st 1st6th 1st36th 5th