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48 lines
1.1 KiB
48 lines
1.1 KiB
import sys
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from itertools import product
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def main():
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lines = [line.rstrip() for line in sys.stdin]
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print("Actives:", solve(lines, 3))
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print("Hyperactives:", solve(lines, 4))
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def solve(lines, dimensions):
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s = {}
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for y, line in enumerate(lines):
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for x, c in enumerate(line):
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p = (x, y) + (0,) * (dimensions - 2)
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s[p] = 1 if c == "#" else 0
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for _ in range(6):
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cycle(s)
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return sum(s.values())
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def cycle(s):
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future = {}
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work_set = set(nn for pos in s for nn in near(*pos))
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for pos in work_set:
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an = 0
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for nn in near(*pos):
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an += s.get(nn, 0)
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if (v := s.get(pos, 0)) == 1 and not 2 <= an <= 3:
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future[pos] = 0
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elif v == 0 and an == 3:
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future[pos] = 1
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for f, fv in future.items():
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s[f] = fv
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def near(*comp):
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num_comp = len(comp)
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offsets = list(product([-1, 0, 1], repeat=num_comp))
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offsets.remove((0,) * num_comp)
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for p in offsets:
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yield tuple(c + o for c, o in zip(comp, p))
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if __name__ == "__main__":
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main()
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