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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?

    RobGLambert

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    3 / 126 Holes

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    3 / 64 Langs

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    4 / 109 Cheevos

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    Card Number Validation in Python in Chars Play Hole

    158th in Python and 760th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    142 142
    143 143
    146 146
    149 149
    151 151
    154 154
    156 156
    607 607