






"""simple docstring"""



from typing import Optional

from .. import Features, NamedSplit
from ..packaged_modules.text.text import Text
from ..utils.typing import NestedDataStructureLike, PathLike
from .abc import AbstractDatasetReader






class 							__SCREAMING_SNAKE_CASE						(				UpperCamelCase		):


							def __init__(			self      :						Optional[Any]			,    snake_case      :						NestedDataStructureLike[PathLike]			,    snake_case      :						Optional[NamedSplit] = None			,    snake_case      :						Optional[Features] = None			,    snake_case      :						str = None			,    snake_case      :						bool = False			,    snake_case      :						bool = False			,    snake_case      :						Optional[int] = None			,    **snake_case      :						str			,    ):
													'''simple docstring'''





													super().__init__(
													    snake_case			,    split=snake_case			,    features=snake_case			,    cache_dir=snake_case			,    keep_in_memory=snake_case			,    streaming=snake_case			,    num_proc=snake_case			,    **snake_case			,    )
													A__						:  Tuple		  =  path_or_paths if isinstance(snake_case			,    snake_case							) else {self.split: path_or_paths}
													A__						:  Optional[Any]		  =  Text(
													    cache_dir=snake_case			,    data_files=snake_case			,    features=snake_case			,    **snake_case			,    )


							def 						_UpperCamelCase       (			self      :						Any							):
													'''simple docstring'''





													if self.streaming:
																			A__						:  str		  =  self.builder.as_streaming_dataset(split=self.split							)
													# Build regular (map-style) dataset
													else:
																			A__						:  Dict		  =  None
																			A__						:  Optional[int]		  =  None
																			A__						:  str		  =  None
																			A__						:  Tuple		  =  None

																			self.builder.download_and_prepare(
																			    download_config=snake_case			,    download_mode=snake_case			,    verification_mode=snake_case			,    base_path=snake_case			,    num_proc=self.num_proc			,    )
																			A__						:  List[Any]		  =  self.builder.as_dataset(
																			    split=self.split			,    verification_mode=snake_case			,    in_memory=self.keep_in_memory							)
													return dataset














"""simple docstring"""



from __future__ import annotations

A_    =							[]




def      _lowerCAmelCase		(							UpperCAmelCase__       :					list[list[int]],						UpperCAmelCase__       :					int,						UpperCAmelCase__       :					int      )		->bool:
						for i in range(len(UpperCAmelCase__      )      ):
												if board[row][i] == 1:
																		return False
						for i in range(len(UpperCAmelCase__      )      ):
												if board[i][column] == 1:
																		return False
						for i, j in zip(range(UpperCAmelCase__,						-1,						-1      ),						range(UpperCAmelCase__,						-1,						-1      )      ):
												if board[i][j] == 1:
																		return False
						for i, j in zip(range(UpperCAmelCase__,						-1,						-1      ),						range(UpperCAmelCase__,						len(UpperCAmelCase__      )      )      ):
												if board[i][j] == 1:
																		return False
						return True




def      _lowerCAmelCase		(							UpperCAmelCase__       :					list[list[int]],						UpperCAmelCase__       :					int      )		->bool:
						if row >= len(UpperCAmelCase__      ):
												solution.append(UpperCAmelCase__      )
												printboard(UpperCAmelCase__      )
												print()
												return True
						for i in range(len(UpperCAmelCase__      )      ):
												if is_safe(UpperCAmelCase__,						UpperCAmelCase__,						UpperCAmelCase__      ):
																		A__						:  Tuple		  =  1
																		solve(UpperCAmelCase__,						row + 1      )
																		A__						:  Optional[int]		  =  0
						return False




def      _lowerCAmelCase		(							UpperCAmelCase__       :					list[list[int]]      )		->None:
						for i in range(len(UpperCAmelCase__      )      ):
												for j in range(len(UpperCAmelCase__      )      ):
																		if board[i][j] == 1:
																								print("""Q""",						end=""" """      )
																		else:
																								print(""".""",						end=""" """      )
												print()


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

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






