59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
from lib import *
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input = read_input(2015, 18)
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gol = input.splitlines()
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for _ in range(100):
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gol = [
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[
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".#"[
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(
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cnt := sum(
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gol[p][q] == "#"
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for r in range(3)
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for s in range(3)
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if (r, s) != (1, 1) and 0 <= (p := i - 1 + r) < len(gol) and 0 <= (q := j - 1 + s) < len(row)
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)
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)
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in (2, 3)
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and x == "#"
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or x == "."
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and cnt == 3
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]
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for j, x in enumerate(row)
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]
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for i, row in enumerate(gol)
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]
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print(sum(x == "#" for row in gol for x in row))
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gol = list(map(list, input.splitlines()))
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gol[0][0] = gol[0][-1] = gol[-1][0] = gol[-1][-1] = "#"
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for _ in range(100):
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gol = [
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[
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".#"[
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(
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cnt := sum(
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gol[p][q] == "#"
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for r in range(3)
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for s in range(3)
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if (r, s) != (1, 1) and 0 <= (p := i - 1 + r) < len(gol) and 0 <= (q := j - 1 + s) < len(row)
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)
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)
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in (2, 3)
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and x == "#"
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or x == "."
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and cnt == 3
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]
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for j, x in enumerate(row)
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]
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for i, row in enumerate(gol)
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]
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gol[0][0] = gol[0][-1] = gol[-1][0] = gol[-1][-1] = "#"
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print(sum(x == "#" for row in gol for x in row))
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