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    The tests cases are fine; the problem is that your code is incorrect. it has to work for any number, not just the ones you see in the sample tests

  • Default User Avatar

    please specify the language you're using when you ask for help. i'm guessing this is JavaScript.
    the logs mean that your code is correct for 13 ('d' in hexadecimal), but not for 2 (10 in binary)