78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
from tools.aoc import AOCDay
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from typing import Any
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class BingoCard:
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def __init__(self, numbers: str):
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numbers = list(map(int, numbers.split()))
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self.fields = {}
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self.checked = {}
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for y in range(5):
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for x in range(5):
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self.fields[(x, y)] = numbers[y * 5 + x]
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self.checked[(x, y)] = False
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def getScore(self, number: int) -> int:
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unmarked_score = 0
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for x1 in range(5):
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for y1 in range(5):
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if not self.checked[(x1, y1)]:
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unmarked_score += self.fields[(x1, y1)]
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return unmarked_score * number
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def checkNumber(self, number: int) -> bool:
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if number not in self.fields.values():
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return False
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for x in range(5):
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for y in range(5):
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if self.fields[(x, y)] == number:
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self.checked[(x, y)] = True
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for x in range(5):
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found_x = 0
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found_y = 0
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for y in range(5):
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if self.checked[(x, y)]:
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found_y += 1
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if self.checked[(y, x)]:
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found_x += 1
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if found_x == 5 or found_y == 5:
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return True
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return False
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class Day(AOCDay):
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test_solutions_p1 = [4512]
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test_solutions_p2 = [1924]
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def part1(self) -> Any:
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numbers_and_boards = self.getMultiLineInputAsArray(join_char=" ")
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numbers_drawn = list(map(int, numbers_and_boards[0].split(",")))
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cards = [BingoCard(cl) for cl in numbers_and_boards[1:]]
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for number in numbers_drawn:
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for i, card in enumerate(cards):
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if card.checkNumber(number):
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return card.getScore(number)
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def part2(self) -> Any:
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numbers_and_boards = self.getMultiLineInputAsArray(join_char=" ")
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numbers_drawn = list(map(int, numbers_and_boards[0].split(",")))
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cards = [BingoCard(cl) for cl in numbers_and_boards[1:]]
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for number in numbers_drawn:
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remaining_cards = cards.copy()
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for i, card in enumerate(cards):
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if card.checkNumber(number):
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if len(remaining_cards) == 1:
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return remaining_cards[0].getScore(number)
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remaining_cards.remove(card)
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cards = remaining_cards.copy()
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