88 lines
2.3 KiB
Python
88 lines
2.3 KiB
Python
from enum import Enum
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from tools.aoc import AOCDay
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from tools.coordinate import Coordinate
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from tools.grid import Grid
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from tools.tools import compare
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from typing import Any
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SAND_SOURCE = Coordinate(500, 0)
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class TType(Enum):
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AIR = ' '
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ROCK = '#'
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SAND = 'o'
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class Day(AOCDay):
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inputs = [
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[
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(24, "input14_test"),
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(873, "input14"),
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],
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[
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(93, "input14_test"),
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(24813, "input14"),
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]
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]
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def get_cave(self) -> Grid:
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cave = Grid(TType.AIR)
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for line in self.getInput():
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corners = []
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for c in line.split(" -> "):
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x, y = map(int, c.split(","))
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corners.append(Coordinate(x, y))
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for i in range(1, len(corners)):
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for c in corners[i].getLineTo(corners[i-1]):
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cave.set(c, TType.ROCK)
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cave.minY = 0
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return cave
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def part1(self) -> Any:
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cave = self.get_cave()
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while True:
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tx, ty = 0, 0
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while ty <= cave.maxY:
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ty += 1
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for c in [Coordinate(tx, ty), Coordinate(tx - 1, ty), Coordinate(tx + 1, ty)]:
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if cave.get(SAND_SOURCE + c) == TType.AIR:
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tx += compare(c.x, tx)
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break
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else:
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cave.set(SAND_SOURCE + Coordinate(tx, ty - 1), TType.SAND)
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break
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else:
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break
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return cave.count(TType.SAND)
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def part2(self) -> Any:
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cave = self.get_cave()
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y = cave.maxY + 2
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for x in range(cave.minX - 200, cave.maxX + 200):
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cave.set(Coordinate(x, y), TType.ROCK)
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while cave.get(SAND_SOURCE) == TType.AIR:
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tx, ty = 0, 0
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while ty <= cave.maxY:
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ty += 1
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for c in [Coordinate(tx, ty), Coordinate(tx - 1, ty), Coordinate(tx + 1, ty)]:
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if cave.get(SAND_SOURCE + c) == TType.AIR:
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tx += compare(c.x, tx)
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break
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else:
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cave.set(SAND_SOURCE + Coordinate(tx, ty - 1), TType.SAND)
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break
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return cave.count(TType.SAND)
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if __name__ == '__main__':
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day = Day(2022, 14)
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day.run(verbose=True)
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