Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

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

    smilesformiles3

    19,622
    •
    16,623
    🥇1
    •
    🥈0
    •
    🥉0

    ⛳

    29 / 126 Holes

    🔣

    1 / 64 Langs

    🏆

    17 / 109 Cheevos

    📅

    Card Number Validation in Python in Chars Play Hole

    152nd in Python and 751st overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    140 140
    160 160
    161 161
    162 162
    170 170