AoC/days/04/part2.py

35 lines
703 B
Python

#!/usr/bin/env python3
import queue
with open("data/input.txt", "r") as f:
data = f.read()
q = queue.Queue()
def winning_copies(card):
lists = card.split(":")[1].split("|")
winning = lists[0].split()
numbers = lists[1].split()
matching = 0
for number in numbers:
if number in winning:
matching += 1
return matching
cards = data.split("\n")
cards.remove("")
for i, card in enumerate(cards):
q.put((i, card))
counter = 0
while not q.empty():
i, card = q.get()
copies = winning_copies(card)
if copies > 0:
for j in range(1, copies+1):
copy = cards[i+j]
q.put((i+j, copy))
counter += 1
print(counter)