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#!/usr/bin/env python3
import aoc20
import sys
def pt1(_in):
valid = 0
want = {s for s in "byr iyr eyr hgt hcl ecl pid cid".split()}
for line in _in:
if line == "\n":
if len(want) == 0 or (len(want) == 1 and "cid" in want):
valid += 1
want = {s for s in "byr iyr eyr hgt hcl ecl pid cid".split()}
continue
for entry in line.split(" "):
want.remove(entry.split(":")[0])
if len(want) == 0 or (len(want) == 1 and "cid" in want):
valid += 1
return valid
def valid_entry(k, v) -> bool:
if k == "byr":
try:
v = int(v)
except:
return False
return 1920 <= v <= 2002
elif k == "iyr":
try:
v = int(v)
except:
return False
return 2010 <= v <= 2020
elif k == "eyr":
try:
v = int(v)
except:
return False
return 2020 <= v <= 2030
elif k == "hgt":
cm = False
try:
if v[-2:] == "cm":
cm = True
elif v[-2:] != "in":
return False
v = int(v[:-2])
except:
return False
if cm:
return 150 <= v <= 193
return 59 <= v <= 76
elif k == "hcl":
if v[0] != "#":
return False
if len(v) != 7:
return False
for c in v[1:]:
if c not in "0123456789abcdef":
return False
return True
elif k == "ecl":
return v in "amb blu brn gry grn hzl oth".split()
elif k == "pid":
try:
_ = int(v)
except:
return False
return len(v) == 9
elif k == "cid":
return True
def pt2(_in):
valid = 0
want = {s for s in "byr iyr eyr hgt hcl ecl pid cid".split()}
for line in _in:
if line == "\n":
if len(want) == 0 or (len(want) == 1 and "cid" in want):
valid += 1
want = {s for s in "byr iyr eyr hgt hcl ecl pid cid".split()}
continue
for entry in line.split(" "):
k, v = entry.strip().split(":")
if valid_entry(k, v):
want.remove(k)
if len(want) == 0 or (len(want) == 1 and "cid" in want):
valid += 1
return valid
if __name__ == "__main__":
input = aoc20.read_input(sys.argv[1:], 4)
print(pt1(input))
print(pt2(input))
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