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

    KasperKivimaeki (he/him) 🇫🇮

    109,470
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    2600 lichess bullet - 2123 FIDE - TCC >> GCC

    ⛳

    123 / 123 Holes

    🔣

    24 / 62 Langs

    🏆

    62 / 99 Cheevos

    📅

    4 Referrals

    Card Number Validation in C++ in Chars Play Hole

    2nd in C++ and 169th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
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