mirror of
https://github.com/thib8956/advent-of-code.git
synced 2024-12-26 13:56:29 +00:00
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
#! /usr/bin/env python3
|
|
import re
|
|
|
|
|
|
def main(inp):
|
|
inp = open(inp).read().split('\n\n')
|
|
valid_passeports = 0
|
|
for l in inp:
|
|
l = re.split('[\n\s]', l)
|
|
passeport = dict(p.split(':') for p in l)
|
|
if check_passeport(passeport):
|
|
valid_passeports += 1
|
|
print("Valid passeports ", valid_passeports)
|
|
|
|
|
|
def check_passeport(passeport):
|
|
fields = [
|
|
('byr', lambda v: 1920 <= int(v) <= 2002), # (Birth Year)
|
|
('iyr', lambda v: 2010 <= int(v) <= 2020), # (Issue Year)
|
|
('eyr', lambda v: 2020 <= int(v) <= 2030), # (Expiration Year)
|
|
('hgt', validate_height), # (Height)
|
|
('hcl', lambda v: re.search("#[0-9a-f]{6}", v)), # (Hair Color)
|
|
('ecl', lambda v: v in ('amb', 'blu', 'brn', 'gry', 'grn', 'hzl', 'oth')), # (Eye Color)
|
|
('pid', lambda v: len(v) == 9 and v.isdecimal()), # (Passport ID)
|
|
#'cid' # Country id, ignored
|
|
]
|
|
for field, validator in fields:
|
|
value = passeport.get(field)
|
|
if value is None:
|
|
return False
|
|
elif not validator(value):
|
|
return False
|
|
return True
|
|
|
|
|
|
def validate_height(v):
|
|
unit = v[-2:]
|
|
height = int(v[:-2])
|
|
if unit == 'cm':
|
|
return 150 <= height <= 193
|
|
if unit == 'in':
|
|
return 59 <= height <= 76
|
|
return False
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main('input.txt')
|