34 lines
700 B
Python
34 lines
700 B
Python
import sys
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import typing
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class Loc(typing.NamedTuple):
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x: int
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y: int
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def main() -> int:
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forest_frame = [list(line.strip()) for line in sys.stdin.readlines()]
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frame_width = len(forest_frame[0])
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frame_height = len(forest_frame)
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loc = Loc(x=0, y=0)
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trees_encountered = 0
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while loc.y <= (frame_height - 1):
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at_loc = forest_frame[loc.y][loc.x]
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if at_loc == "#":
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trees_encountered += 1
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next_x = (loc.x + 3) % frame_width
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next_y = loc.y + 1
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next_loc = Loc(x=next_x, y=next_y)
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loc = next_loc
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print(f"trees encountered: {trees_encountered}")
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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