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Advent of Code 2015 day 18 part 1&2: solved

This commit is contained in:
Fabian Tessmer 2025-04-03 22:53:47 +02:00
parent 3c0e4f1f22
commit 5f5189af22
1 changed files with 12 additions and 10 deletions
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22
2015/day18/solution.py
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@ -10,7 +10,7 @@ class Cell:
class Grid:
def __init__(self, part2:bool = False) -> None:
def __init__(self, part2: bool = False) -> None:
self.grid: list[list[Cell]] = []
self.part2 = part2
@ -27,7 +27,7 @@ class Grid:
def run_tick(self):
new_grid = self.grid.copy()
neighbour_grid = [[0 for j in range(len(new_grid[0]))] for i in range(len(new_grid))]
neighbour_grid = [[0 for _ in range(len(new_grid[0]))] for _ in range(len(new_grid))]
for row in range(len(new_grid)):
for col in range(len(new_grid[row])):
neighbour_grid[row][col] = self.get_neighbours(row, col)
@ -40,7 +40,7 @@ class Grid:
new_grid[row_index][col_index].dark()
self.grid = new_grid
def tick_n_times(self, n: int, debug:bool = False):
def tick_n_times(self, n: int, debug: bool = False):
for _ in range(n):
self.run_tick()
if debug:
@ -50,7 +50,9 @@ class Grid:
neighbours: list[Cell] = []
for _row in range(row - 1, row + 2):
for _col in range(col - 1, col + 2):
if self.part2 and ((_row , _col) == (0,0) or (_row , _col) == (0,len(self.grid[0])-1) or (_row , _col) == (len(self.grid)-1,0) or (_row , _col) == (len(self.grid)-1,len(self.grid[0])-1)):
if self.part2 and (
(_row, _col) == (0, 0) or (_row, _col) == (0, len(self.grid[0]) - 1) or (_row, _col) == (
len(self.grid) - 1, 0) or (_row, _col) == (len(self.grid) - 1, len(self.grid[0]) - 1)):
if _row == row and _col == col:
return 3
neighbours.append(Cell(True))
@ -100,14 +102,14 @@ if __name__ == '__main__':
grid.tick_n_times(4)
assert grid.return_number_lit() == 4, "Error: Example failed"
test_input_2 = [["#", "#", ".", "#", ".", "#"],
[".", ".", ".", "#", "#", "."],
["#", ".", ".", ".", ".", "#"],
[".", ".", "#", ".", ".", "."],
["#", ".", "#", ".", ".", "#"],
["#", "#", "#", "#", ".", "#"]]
[".", ".", ".", "#", "#", "."],
["#", ".", ".", ".", ".", "#"],
[".", ".", "#", ".", ".", "."],
["#", ".", "#", ".", ".", "#"],
["#", "#", "#", "#", ".", "#"]]
grid = Grid(part2=True)
grid.load(test_input_2)
grid.tick_n_times(5, debug=True)
grid.tick_n_times(5)
assert grid.return_number_lit() == 17, "Error: Example 2 failed"
print("All test passed")