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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    RobGLambert

    2,107
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    1,518
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    ⛳

    3 / 123 Holes

    🔣

    3 / 62 Langs

    🏆

    4 / 99 Cheevos

    📅

    Card Number Validation in C++ in Bytes Play Hole

    16th in C++ and 800th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    232 232
    243 243
    250 250
    251 251
    256 256
    319 319