52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
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def count_adjacent(grid, line, seat):
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adj = 0
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if line > 0:
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adj += grid[line-1][max(0, seat-1):seat+2].count("#")
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# print(grid[line-1][max(0, seat-1):seat+2], adj)
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if seat > 0:
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adj += grid[line][seat-1:seat].count("#")
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# print(grid[line][seat-1:seat], adj)
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if seat < len(grid[line]):
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adj += grid[line][seat+1:seat+2].count("#")
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# print(grid[line][seat+1:seat+2], adj)
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if line < len(grid) - 1:
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adj += grid[line+1][max(0, seat-1):seat+2].count("#")
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# print(grid[line+1][max(0, seat-1):seat+2], adj)
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return adj
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with open("input") as f:
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content = [[y for y in x.strip()] for x in f]
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new = last = content
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changes = 1
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for line in content:
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print("".join(line))
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while changes > 0:
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last = []
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for line in new:
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last.append(line.copy())
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changes = 0
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for line in range(len(last)):
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adjs = []
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for seat in range(len(last[line])):
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status = last[line][seat]
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adj = count_adjacent(last, line, seat)
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adjs.append(str(adj))
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if status == "L" and adj == 0:
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new[line][seat] = "#"
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changes += 1
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elif status == "#" and adj >= 4:
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new[line][seat] = "L"
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changes += 1
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# print("".join(adjs))
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# for line in new:
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# print("".join(line))
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count = 0
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for line in last:
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count += line.count("#")
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print(count)
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