64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
"""Day X: Advent of Code 2025."""
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import time
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from itertools import combinations
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from aoc import read_lines
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from shapely.geometry import Polygon, box
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from shapely.prepared import prep
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def calculate_area(corner1, corner2):
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"""Räknar ut arean av en rektangel givet två motstående hörn."""
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x1, y1 = map(int, corner1.split(","))
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x2, y2 = map(int, corner2.split(","))
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width = abs(x2 - x1) + 1
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height = abs(y2 - y1) + 1
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return width * height
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def create_box(corner1, corner2):
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"""Räknar ut arean av en rektangel givet två motstående hörn."""
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x1, y1 = map(int, corner1.split(","))
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x2, y2 = map(int, corner2.split(","))
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return box(x1,y1,x2,y2)
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def parse_coord(s):
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x, y = s.split(",")
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return (int(x), int(y))
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def part1(data):
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max_size = 0
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for c1, c2 in combinations(data, 2):
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area = calculate_area(c1, c2)
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if area > max_size:
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max_size = area
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return max_size
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def part2(data):
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coords = [parse_coord(line) for line in data]
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shape = Polygon(coords)
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prepared_shape = prep(shape)
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max_size = 0
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for c1, c2 in combinations(data, 2):
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area = calculate_area(c1, c2)
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if area > max_size:
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box = create_box(c1, c2)
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if prepared_shape.contains(box):
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max_size = area
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return max_size
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if __name__ == "__main__":
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DAY = 9 # <- ändra till rätt dag
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data = read_lines(DAY)
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t0 = time.perf_counter()
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p1 = part1(data)
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t1 = time.perf_counter()
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print(f"Part 1: {p1} ({(t1-t0)*1000:.2f} ms)")
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t0 = time.perf_counter()
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p2 = part2(data)
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t1 = time.perf_counter()
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print(f"Part 2: {p2} ({(t1-t0)*1000:.2f} ms)")
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