My Advent of Code solutions in Python.
kevinyap.ca/2019/12/going-fast-in-advent-of-code/
advent-of-code
python
Add solution for 2016/05
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2016/day05.py
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2016/day05.py
···
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import fileinput
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from hashlib import md5
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door_id = fileinput.input()[0].strip()
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old_password = ''
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new_password = [None for _ in range(8)]
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i = 0
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while len(old_password) < 8 or None in new_password:
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digest = md5(door_id + str(i)).hexdigest()
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if digest.startswith('00000'):
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print "Hash found! %s (%i)" % (digest, i)
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if len(old_password) < 8:
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old_password += digest[5]
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pos = int(digest[5], 16)
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char = digest[6]
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if pos < 8 and new_password[pos] is None:
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new_password[pos] = char
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i += 1
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print "First password is: %s" % old_password
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print "Second password is: %s" % ''.join(new_password)
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2016/input05.txt
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2016/input05.txt
···
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