commit f50d2e4c0bd7d1a5fc3d1c8b0199d3ac82d69129 · kot.pink/aoc

+26

4.py

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       import sys

     

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       available_rolls = 0

     

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       file = '4.input' if len(sys.argv) <= 1 else sys.argv[1]

     

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       grid = list(map(str.strip, open(file).readlines()))

     

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       def check_occupied(y: int, x: int) -> int:

     

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           try:

     

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               return x >= 0 and y >= 0 and grid[y][x] == "@"

     

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           except IndexError:

     

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               return False

     

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       for y in range(len(grid)):

     

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           row = grid[y]

     

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           for x in range(len(row)):

     

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               if row[x] != "@": continue

     

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               adj = sum([

     

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                   check_occupied(y-1, x-1), check_occupied(y-1, x), check_occupied(y-1, x+1),

     

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                   check_occupied(y, x-1), check_occupied(y, x+1),

     

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                   check_occupied(y+1, x-1), check_occupied(y+1, x), check_occupied(y+1, x+1)

     

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               ])

     

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               if adj < 4:

     

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                   available_rolls += 1

     

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       print(f'p1: {available_rolls}')

     

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       # print(f'p2: {}')

+10

4.test

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       ..@@.@@@@.

     

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       @@@.@.@.@@

     

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       @@@@@.@.@@

     

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       @.@@@@..@.

     

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       @@.@@@@.@@

     

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       .@@@@@@@.@

     

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       .@.@.@.@@@

     

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       @.@@@.@@@@

     

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       .@@@@@@@@.

     

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       @.@.@@@.@.