37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
import re
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from functools import reduce
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lines = (list(map(lambda a: a.split(':'), x.strip().split())) for x in open("input.txt"))
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passport = {}
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count = 0
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must_have = {'iyr', 'hcl', 'hgt', 'pid', 'ecl', 'eyr', 'byr'}
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def check_passport(pp):
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valid = len(set(pp).intersection(must_have)) == len(must_have)
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if not valid:
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return 0
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checks = [
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re.match("^[0-9]{4}$", pp['byr']) and 1920 <= int(pp['byr']) <= 2002,
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re.match("^[0-9]{4}$", pp['iyr']) and 2010 <= int(pp['iyr']) <= 2020,
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re.match("^[0-9]{4}$", pp['eyr']) and 2020 <= int(pp['eyr']) <= 2030,
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re.match("^(1([5-8][0-9]|9[0-3])cm|(59|6[0-9]|7[0-6])in)$", pp['hgt']),
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re.match("^#[0-9a-f]{6}$", pp['hcl']),
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re.match("^(amb|blu|brn|gry|grn|hzl|oth)$", pp['ecl']),
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re.match("^[0-9]{9}$", pp['pid'])
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]
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if not reduce(lambda a, b: a and b, checks, True):
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return 0
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return 1
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for line in lines:
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if len(line) == 0:
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count += check_passport(passport)
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passport = {}
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for key, val in line:
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passport[key] = val
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count += check_passport(passport)
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print(count)
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