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

    scpchicken 🇵🇼

    100,575
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    float Q_rsqrt(float number);

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    123 / 123 Holes

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    62 / 62 Langs

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    93 / 98 Cheevos

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    3 Referrals

    Card Number Validation in Python in Chars Play Hole

    143rd in Python and 700th overall.

    Last tested .

    Runtime of .

    Bytes Chars Submitted
    139 139
    142 142
    143 143
    144 144
    148 148
    154 154
    200 200
    243 243