



"""simple docstring"""

from __future__ import annotations

lowercase__			   =  []





def       __magic_name__    (   _lowerCamelCase				: list[list[int]]  ,       _lowerCamelCase				: int  ,       _lowerCamelCase				: int					):
							for i in range(len(snake_case_					)					):
														if board[row][i] == 1:
																					return False
							for i in range(len(snake_case_					)					):
														if board[i][column] == 1:
																					return False
							for i, j in zip(range(snake_case_  ,       -1  ,       -1					)  ,       range(snake_case_  ,       -1  ,       -1					)					):
														if board[i][j] == 1:
																					return False
							for i, j in zip(range(snake_case_  ,       -1  ,       -1					)  ,       range(snake_case_  ,       len(snake_case_					)					)					):
														if board[i][j] == 1:
																					return False
							return True





def       __magic_name__    (   _lowerCamelCase				: list[list[int]]  ,       _lowerCamelCase				: int					):
							if row >= len(snake_case_					):
														solution.append(snake_case_					)
														printboard(snake_case_					)
														print()
														return True
							for i in range(len(snake_case_					)					):
														if is_safe(snake_case_  ,       snake_case_  ,       snake_case_					):
																					__a		:		Tuple									=       1
																					solve(snake_case_  ,       row + 1					)
																					__a		:		str									=       0
							return False





def       __magic_name__    (   _lowerCamelCase				: list[list[int]]					):
							for i in range(len(snake_case_					)					):
														for j in range(len(snake_case_					)					):
																					if board[i][j] == 1:
																												print("""Q"""  ,       end=""" """					)
																					else:
																												print("""."""  ,       end=""" """					)
														print()


# n=int(input("The no. of queens"))
lowercase__			   =  8
lowercase__			   =  [[0 for i in range(n)] for j in range(n)]
solve(board, 0)







print("The total no. of solutions are :", len(solution))






"""simple docstring"""

import os





def       __magic_name__    (   _lowerCamelCase				: Dict					):
							__a		:		List[str]									=       len(grid[0]					)
							__a		:		int									=       len(_lowerCamelCase					)

							__a		:		Tuple									=       0
							__a		:		List[Any]									=       0
							__a		:		List[str]									=       0

							# Check vertically, horizontally, diagonally at the same time (only works
							# for nxn grid)
							for i in range(_lowerCamelCase					):
														for j in range(n_rows - 3					):
																					__a		:		List[Any]									=       grid[j][i] * grid[j + 1][i] * grid[j + 2][i] * grid[j + 3][i]
																					__a		:		Tuple									=       grid[i][j] * grid[i][j + 1] * grid[i][j + 2] * grid[i][j + 3]

																					# Left-to-right diagonal (\) product
																					if i < n_columns - 3:
																												__a		:		List[Any]									=       (
																												    grid[i][j]
																												    * grid[i + 1][j + 1]
																												    * grid[i + 2][j + 2]
																												    * grid[i + 3][j + 3]
																												)

																					# Right-to-left diagonal(/) product
																					if i > 2:
																												__a		:		List[Any]									=       (
																												    grid[i][j]
																												    * grid[i - 1][j + 1]
																												    * grid[i - 2][j + 2]
																												    * grid[i - 3][j + 3]
																												)

																					__a		:		str									=       max(
																					    _lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase  ,       _lowerCamelCase					)
																					if max_product > largest:
																												__a		:		Optional[Any]									=       max_product

							return largest





def       __magic_name__    (   ):
							__a		:		Tuple									=       []
							with open(os.path.dirname(_lowerCamelCase					) + """/grid.txt"""					) as file:
														for line in file:
																					grid.append(line.strip("""\n"""					).split(""" """					)					)

							__a		:		Tuple									=       [[int(_lowerCamelCase					) for i in grid[j]] for j in range(len(_lowerCamelCase					)					)]

							return largest_product(_lowerCamelCase					)


if __name__ == "__main__":
	print(solution())

