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

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

    ethanlally

    24,588
    23,792
    🥇1
    🥈0
    🥉2

    meow

    33 / 123 Holes

    🔣

    1 / 62 Langs

    🏆

    20 / 99 Cheevos

    📅

    Card Number Validation in Java in Chars Play Hole

    17th in Java and 605th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    170 170
    185 185
    187 187
    191 191