40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
from tools.aoc import AOCDay
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from tools.coordinate import Coordinate
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from tools.grid import Grid
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from typing import Any, List
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def getGrid(lines: List[str], multiply: bool = False) -> Grid:
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size = len(lines)
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g = Grid()
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for y, l in enumerate(lines):
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for x, v in enumerate(map(int, l)):
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g.set(Coordinate(x, y), v)
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if not multiply:
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continue
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for x2 in range(5):
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for y2 in range(5):
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if x2 == y2 == 0:
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continue
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nv = 1 + (v + x2 + y2 - 1) % 9
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g.set(Coordinate(size * x2 + x, size * y2 + y), nv)
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return g
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class Day(AOCDay):
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test_solutions_p1 = [40, 386]
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test_solutions_p2 = [315, 2806]
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def part1(self) -> Any:
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grid = getGrid(self.getInput())
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path = grid.getPath(Coordinate(0, 0), Coordinate(grid.maxX, grid.maxY), includeDiagonal=False, weighted=True)
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return sum(grid.get(c) for c in path[:-1])
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def part2(self) -> Any:
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grid = getGrid(self.getInput(), True)
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path = grid.getPath(Coordinate(0, 0), Coordinate(grid.maxX, grid.maxY), includeDiagonal=False, weighted=True)
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return sum(grid.get(c) for c in path[:-1])
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