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32 lines
879 B
32 lines
879 B
with open("input13.txt") as f:
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coords = []
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folds = []
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for line in map(str.rstrip, f):
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if "," in line:
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coords.append(tuple(map(int, line.split(","))))
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elif line and line[0] == "f":
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c, v = line.rsplit(maxsplit=1)[-1].split("=")
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folds.append((c == "x", int(v)))
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for i, (is_h, v) in enumerate(folds):
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if is_h:
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coords = set(
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(x - (x - v) * 2, y) if x > v else (x, y)
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for x, y in coords
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)
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else:
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coords = set(
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(x, y - (y - v) * 2) if y > v else (x, y)
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for x, y in coords
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)
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if i == 0:
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print(len(coords))
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dx = max(coords, key=lambda p: p[0])[0] + 1
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dy = max(coords, key=lambda p: p[1])[1] + 1
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screen = [[" "] * dx for _ in range(dy)]
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for x, y in coords:
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screen[y][x] = "█"
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for row in screen:
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print("".join(row))
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