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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    IanUtley

    100,479
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    99,504
    🦄2
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    💎103
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    🥇168
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    🥈32
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    🥉12

    ⛳

    118 / 126 Holes

    🔣

    7 / 64 Langs

    🏆

    48 / 109 Cheevos

    📅

    IanUtley solved Continued Fractions in Prolog
    IanUtley earned 🚀 Into Space!
    GrayJoKing solved Kaprekar Numbers in Raku
    GrayJoKing solved Kaprekar Numbers in Python
    GrayJoKing solved Kaprekar Numbers in ALGOL 68
    GrayJoKing solved Kaprekar Numbers in Ruby
    GrayJoKing solved Inventory Sequence in ALGOL 68
    GrayJoKing solved Sierpiński Triangle in ALGOL 68
    GrayJoKing solved Pascal’s Triangle in ALGOL 68
    GrayJoKing solved Tic-tac-toe in ALGOL 68
    GrayJoKing solved Zeckendorf Representation in ALGOL 68
    GrayJoKing solved Partition Numbers in ALGOL 68
    GrayJoKing solved Pernicious Numbers (Long) in OCaml
    GrayJoKing solved Pernicious Numbers (Long) in Lua
    GrayJoKing solved Pernicious Numbers (Long) in BASIC
    GrayJoKing solved Pernicious Numbers (Long) in Nim
    GrayJoKing solved Pernicious Numbers (Long) in ALGOL 68
    GrayJoKing solved Morse Encoder in Python
    GrayJoKing solved Fractions in Python
    GrayJoKing solved Number Spiral in Python
    GrayJoKing solved Emirp Numbers (Long) in Python
    GrayJoKing solved Arithmetic Numbers in ALGOL 68
    GrayJoKing solved Rule 110 in ALGOL 68
    GrayJoKing solved Leyland Numbers in ALGOL 68
    GrayJoKing solved Transpose Sentence in ALGOL 68
    GrayJoKing solved Lucky Tickets in ALGOL 68
    GrayJoKing solved Diamonds in ALGOL 68
    GrayJoKing solved Kolakoski Sequence in ALGOL 68
    GrayJoKing solved PalindromemordnilaP in ALGOL 68
    GrayJoKing solved Intersection in ALGOL 68
    GrayJoKing solved Medal Tally in ALGOL 68
    GrayJoKing solved Arabic to Roman in ALGOL 68
    GrayJoKing solved Odious Numbers (Long) in ALGOL 68
    GrayJoKing solved Evil Numbers (Long) in ALGOL 68
    GrayJoKing solved Seven Segment in ALGOL 68
    GrayJoKing solved 99 Bottles of Beer in ALGOL 68
    GrayJoKing solved Continued Fractions in ALGOL 68
    GrayJoKing solved Continued Fractions in Raku
    GrayJoKing solved Forsyth–Edwards Notation in ALGOL 68
    GrayJoKing solved Arrows in ALGOL 68
    GrayJoKing solved Catalan’s Constant in ALGOL 68
    GrayJoKing solved Foo Fizz Buzz Bar in ALGOL 68
    GrayJoKing solved ln 2 in ALGOL 68
    GrayJoKing solved 𝑒 in ALGOL 68
    GrayJoKing solved √2 in ALGOL 68
    GrayJoKing solved φ in ALGOL 68
    GrayJoKing solved τ in ALGOL 68
    GrayJoKing solved π in ALGOL 68
    GrayJoKing solved Hexdump in ALGOL 68
    GrayJoKing solved Ordinal Numbers in ALGOL 68
    GrayJoKing solved Fractions in ALGOL 68
    GrayJoKing solved Multitap Input in ALGOL 68
    GrayJoKing solved ASCII Table in ALGOL 68
    GrayJoKing solved ASCII Table in Nim
    IanUtley earned 🍃 Turn over a New Leaf
    GrayJoKing solved brainfuck in ALGOL 68
    GrayJoKing solved Card Number Validation in ALGOL 68
    GrayJoKing solved Tower of Hanoi in ALGOL 68
    GrayJoKing solved Number Spiral in ALGOL 68
    GrayJoKing solved Happy Numbers in ALGOL 68
    GrayJoKing solved Prime Numbers in ALGOL 68
    GrayJoKing solved Christmas Trees in ALGOL 68
    GrayJoKing solved Fibonacci in ALGOL 68
    GrayJoKing solved Kolakoski Constant in ALGOL 68
    GrayJoKing solved ROT13 in ALGOL 68
    GrayJoKing solved Niven Numbers (Long) in ALGOL 68
    GrayJoKing solved DFA Simulator in ALGOL 68
    GrayJoKing solved ISBN in ALGOL 68
    GrayJoKing solved Gijswijt’s Sequence in ALGOL 68
    GrayJoKing solved Emirp Numbers in ALGOL 68
    GrayJoKing solved Happy Numbers (Long) in ALGOL 68
    GrayJoKing solved Reverse Polish Notation in ALGOL 68
    GrayJoKing solved Pangram Grep in ALGOL 68
    GrayJoKing solved Lucky Numbers in ALGOL 68
    GrayJoKing solved Quine in ALGOL 68
    GrayJoKing solved DFA Simulator in Lua
    GrayJoKing solved Look and Say in ALGOL 68
    GrayJoKing solved Leap Years in ALGOL 68
    GrayJoKing solved Catalan Numbers in ALGOL 68
    GrayJoKing earned 📚 Archivist
    GrayJoKing solved Abundant Numbers (Long) in ALGOL 68
    GrayJoKing solved Abundant Numbers in ALGOL 68
    GrayJoKing solved Collatz in ALGOL 68
    GrayJoKing solved Fizz Buzz in ALGOL 68
    GrayJoKing solved Divisors in ALGOL 68
    GrayJoKing solved Factorial Factorisation in ALGOL 68
    GrayJoKing solved Prime Numbers (Long) in ALGOL 68
    GrayJoKing solved Farey Sequence in ALGOL 68
    GrayJoKing solved Tutorial in ALGOL 68
    GrayJoKing solved Pernicious Numbers in ALGOL 68
    GrayJoKing solved Van Eck Sequence in ALGOL 68
    GrayJoKing solved Recamán in ALGOL 68
    GrayJoKing solved Evil Numbers in ALGOL 68
    GrayJoKing solved Odious Numbers in ALGOL 68
    GrayJoKing solved Niven Numbers in ALGOL 68
    IanUtley solved Multitap Input in Prolog
    IanUtley solved Calendar in Prolog
    GrayJoKing earned 📜 Out of Spec
    GrayJoKing earned 🪱 Early Bird Catches the Worm
    GrayJoKing solved Multitap Input in Raku