-🎄- 2021 Day 16 Solutions -🎄-

SOLUTION MEGATHREAD-🎄- 2021 Day 16 Solutions -🎄-(self.adventofcode)

submitted 4 years, 1 month ago* (edited 27 minutes after) by daggerdragon to /r/adventofcode (134.8k)

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[–][deleted]3 points4 years, 1 month ago* (edited 16 minutes after)

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[–]Derp_Derps1 point4 years, 1 month ago

Shorter version:

def hex_to_bin(hexstr):
    return ''.join("{:04b}".format(int(c,16)) for c in hexstr)

[–]TheDavibob1 point4 years, 1 month ago

I got caught out by this conversion - I did very similar, but then my input began with a 0 so I had to peg that on too.