





"""simple docstring"""
from typing import List, Optional, TypeVar

from .arrow_dataset import Dataset, _concatenate_map_style_datasets, _interleave_map_style_datasets
from .dataset_dict import DatasetDict, IterableDatasetDict
from .info import DatasetInfo
from .iterable_dataset import IterableDataset, _concatenate_iterable_datasets, _interleave_iterable_datasets
from .splits import NamedSplit
from .utils import logging
from .utils.py_utils import Literal


_snake_case     :		List[Any]       						= logging.get_logger(__name__)


_snake_case     :		Tuple       						= TypeVar('DatasetType', Dataset, IterableDataset)






def 					A__				(			UpperCamelCase					,  UpperCamelCase = None					,  UpperCamelCase = None					,  UpperCamelCase = None					,  UpperCamelCase = None					,  UpperCamelCase = "first_exhausted"					,  ):
							from .arrow_dataset import Dataset
							from .iterable_dataset import IterableDataset

							if not datasets:
														raise ValueError("Unable to interleave an empty list of datasets."       )
							for i, dataset in enumerate(UpperCamelCase       ):
														if not isinstance(UpperCamelCase					,  (Dataset, IterableDataset)       ):
																					if isinstance(UpperCamelCase					,  (DatasetDict, IterableDatasetDict)       ):
																												if not dataset:
																																			raise ValueError(
																																			    F"Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} "
																																			    "is an empty dataset dictionary."       )
																												raise ValueError(
																												    F"Dataset at position {i} has at least one split: {list(UpperCamelCase       )}\n"
																												    F"Please pick one to interleave with the other datasets, for example: dataset['{next(iter(UpperCamelCase       )       )}']"       )
																					raise ValueError(
																					    F"Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(UpperCamelCase       ).__name__}."       )
														if i == 0:
																					A,	A		=  (
																					    (Dataset, IterableDataset) if isinstance(UpperCamelCase					,  UpperCamelCase       ) else (IterableDataset, Dataset)
																					)
														elif not isinstance(UpperCamelCase					,  UpperCamelCase       ):
																					raise ValueError(
																					    F"Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects."       )
							if stopping_strategy not in ["first_exhausted", "all_exhausted"]:
														raise ValueError(F"{stopping_strategy} is not supported. Please enter a valid stopping_strategy."       )
							if dataset_type is Dataset:
														return _interleave_map_style_datasets(
														    UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  info=UpperCamelCase					,  split=UpperCamelCase					,  stopping_strategy=UpperCamelCase       )
							else:
														return _interleave_iterable_datasets(
														    UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  info=UpperCamelCase					,  split=UpperCamelCase					,  stopping_strategy=UpperCamelCase       )






def 					A__				(			UpperCamelCase					,  UpperCamelCase = None					,  UpperCamelCase = None					,  UpperCamelCase = 0					,  ):

							if not dsets:
														raise ValueError("Unable to concatenate an empty list of datasets."       )
							for i, dataset in enumerate(UpperCamelCase       ):
														if not isinstance(UpperCamelCase					,  (Dataset, IterableDataset)       ):
																					if isinstance(UpperCamelCase					,  (DatasetDict, IterableDatasetDict)       ):
																												if not dataset:
																																			raise ValueError(
																																			    F"Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} "
																																			    "is an empty dataset dictionary."       )
																												raise ValueError(
																												    F"Dataset at position {i} has at least one split: {list(UpperCamelCase       )}\n"
																												    F"Please pick one to interleave with the other datasets, for example: dataset['{next(iter(UpperCamelCase       )       )}']"       )
																					raise ValueError(
																					    F"Expected a list of Dataset objects or a list of IterableDataset objects, but element at position {i} is a {type(UpperCamelCase       ).__name__}."       )
														if i == 0:
																					A,	A		=  (
																					    (Dataset, IterableDataset) if isinstance(UpperCamelCase					,  UpperCamelCase       ) else (IterableDataset, Dataset)
																					)
														elif not isinstance(UpperCamelCase					,  UpperCamelCase       ):
																					raise ValueError(
																					    F"Unable to interleave a {dataset_type.__name__} (at position 0) with a {other_type.__name__} (at position {i}). Expected a list of Dataset objects or a list of IterableDataset objects."       )
							if dataset_type is Dataset:
														return _concatenate_map_style_datasets(UpperCamelCase					,  info=UpperCamelCase					,  split=UpperCamelCase					,  axis=UpperCamelCase       )
							else:
														return _concatenate_iterable_datasets(UpperCamelCase					,  info=UpperCamelCase					,  split=UpperCamelCase					,  axis=UpperCamelCase       )









"""simple docstring"""
from __future__ import annotations

_snake_case     :		str       						= []






def 					A__				(			UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       ):
							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 					A__				(			UpperCamelCase					,  UpperCamelCase       ):
							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		=  1
																					solve(UpperCamelCase					,  row + 1       )
																					A		=  0
							return False






def 					A__				(			UpperCamelCase       ):
							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"))
_snake_case     :		List[str]       						= 8
_snake_case     :		List[str]       						= [[0 for i in range(n)] for j in range(n)]
solve(board, 0)
print('The total no. of solutions are :', len(solution))


