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python-aoc-2022/day11/part2.py
Sebastian Seedorf c717b6bbc6 Day 11
2022-12-11 19:34:44 +01:00

39 lines
1.0 KiB
Python

#!/usr/bin/env python3
from functools import reduce
lines = (x.strip() for x in open("input.txt"))
monkeys = []
def create_op(op_line):
if "old * old" in op_line:
return lambda x: x**2
val = int(op_line[6:])
if "*" in op_line:
return lambda x: x*val
return lambda x: x+val
for line in lines:
monkeys.append({
"items": [*map(int, next(lines)[16:].split(", "))],
"op": create_op(next(lines)[17:]),
"div": int(next(lines)[19:]),
"if_true": int(next(lines)[25:]),
"if_false": int(next(lines)[26:]),
"count": 0
})
next(lines, None)
divisor = reduce(lambda x, y: x*y, set(monkey['div'] for monkey in monkeys))
for _ in range(10000):
for monkey in monkeys:
while monkey['items']:
monkey['count'] += 1
worry = monkey['op'](monkey['items'].pop(0)) % divisor
monkeys[monkey['if_true' if worry % monkey['div'] == 0 else 'if_false']]['items'].append(worry)
insp = sorted(monkey['count'] for monkey in monkeys)
print(insp[-2]*insp[-1])