



'''simple docstring'''

import logging
import os
from typing import List, TextIO, Union

from conllu import parse_incr
from utils_ner import InputExample, Split, TokenClassificationTask


UpperCAmelCase     		=   logging.getLogger(__name__)

class __snake_case(				_lowerCAmelCase ):


						'''simple docstring'''



						def __init__( self     ,	A_=-1				)     ->     Dict:
							# in NER datasets, the last column is usually reserved for NER label
							lowerCAmelCase   =     label_idx


						def     __snake_case   ( self     ,	A_     ,	A_				)     ->     List[InputExample]:
							if isinstance(A_     ,	A_				):
								lowerCAmelCase   =     mode.value
							lowerCAmelCase   =     os.path.join(A_     ,	f'{mode}.txt'				)
							lowerCAmelCase   =     1
							lowerCAmelCase   =     []
							with open(A_     ,	encoding="""utf-8"""				) as f:
								lowerCAmelCase   =     []
								lowerCAmelCase   =     []
								for line in f:
									if line.startswith("""-DOCSTART-"""				) or line == "" or line == "\n":
										if words:
											examples.append(InputExample(guid=f'{mode}-{guid_index}'     ,	words=A_     ,	labels=A_				)				)
											guid_index += 1
											lowerCAmelCase   =     []
											lowerCAmelCase   =     []
									else:
										lowerCAmelCase   =     line.split(""" """				)
										words.append(splits[0]				)
										if len(A_				) > 1:
											labels.append(splits[self.label_idx].replace("""\n"""     ,	""""""				)				)
										else:
											# Examples could have no label for mode = "test"
											labels.append("""O"""				)
								if words:
									examples.append(InputExample(guid=f'{mode}-{guid_index}'     ,	words=A_     ,	labels=A_				)				)
							return examples


						def     __snake_case   ( self     ,	A_     ,	A_     ,	A_				)     ->     Tuple:
							lowerCAmelCase   =     0
							for line in test_input_reader:
								if line.startswith("""-DOCSTART-"""				) or line == "" or line == "\n":
									writer.write(A_				)
									if not preds_list[example_id]:
										example_id += 1
								elif preds_list[example_id]:
									lowerCAmelCase   =     line.split()[0] + """ """ + preds_list[example_id].pop(0				) + """\n"""
									writer.write(A_				)
								else:
									logger.warning("""Maximum sequence length exceeded: No prediction for '%s'."""     ,	line.split()[0]				)




						def     __snake_case   ( self     ,	A_				)     ->     List[str]:
							if path:
								with open(A_     ,	"""r"""				) as f:
									lowerCAmelCase   =     f.read().splitlines()
								if "O" not in labels:
									lowerCAmelCase   =     ["""O"""] + labels
								return labels
							else:
								return ["O", "B-MISC", "I-MISC", "B-PER", "I-PER", "B-ORG", "I-ORG", "B-LOC", "I-LOC"]







class __snake_case(				_lowerCAmelCase ):


						'''simple docstring'''



						def __init__( self				)     ->     Any:
							# in CONLL2003 dataset chunk column is second-to-last
							super().__init__(label_idx=-2				)




						def     __snake_case   ( self     ,	A_				)     ->     List[str]:
							if path:
								with open(A_     ,	"""r"""				) as f:
									lowerCAmelCase   =     f.read().splitlines()
								if "O" not in labels:
									lowerCAmelCase   =     ["""O"""] + labels
								return labels
							else:
								return [
								    "O",
								    "B-ADVP",
								    "B-INTJ",
								    "B-LST",
								    "B-PRT",
								    "B-NP",
								    "B-SBAR",
								    "B-VP",
								    "B-ADJP",
								    "B-CONJP",
								    "B-PP",
								    "I-ADVP",
								    "I-INTJ",
								    "I-LST",
								    "I-PRT",
								    "I-NP",
								    "I-SBAR",
								    "I-VP",
								    "I-ADJP",
								    "I-CONJP",
								    "I-PP",
								]







class __snake_case(				_lowerCAmelCase ):


						'''simple docstring'''



						def     __snake_case   ( self     ,	A_     ,	A_				)     ->     List[InputExample]:
							if isinstance(A_     ,	A_				):
								lowerCAmelCase   =     mode.value
							lowerCAmelCase   =     os.path.join(A_     ,	f'{mode}.txt'				)
							lowerCAmelCase   =     1
							lowerCAmelCase   =     []

							with open(A_     ,	encoding="""utf-8"""				) as f:
								for sentence in parse_incr(A_				):
									lowerCAmelCase   =     []
									lowerCAmelCase   =     []
									for token in sentence:
										words.append(token["""form"""]				)
										labels.append(token["""upos"""]				)
									assert len(A_				) == len(A_				)
									if words:
										examples.append(InputExample(guid=f'{mode}-{guid_index}'     ,	words=A_     ,	labels=A_				)				)
										guid_index += 1
							return examples


						def     __snake_case   ( self     ,	A_     ,	A_     ,	A_				)     ->     Dict:
							lowerCAmelCase   =     0
							for sentence in parse_incr(A_				):
								lowerCAmelCase   =     preds_list[example_id]
								lowerCAmelCase   =     """"""
								for token in sentence:
									out += f'{token["form"]} ({token["upos"]}|{s_p.pop(0				)}) '
								out += "\n"
								writer.write(A_				)
								example_id += 1




						def     __snake_case   ( self     ,	A_				)     ->     List[str]:
							if path:
								with open(A_     ,	"""r"""				) as f:
									return f.read().splitlines()
							else:
								return [
								    "ADJ",
								    "ADP",
								    "ADV",
								    "AUX",
								    "CCONJ",
								    "DET",
								    "INTJ",
								    "NOUN",
								    "NUM",
								    "PART",
								    "PRON",
								    "PROPN",
								    "PUNCT",
								    "SCONJ",
								    "SYM",
								    "VERB",
								    "X",
								]




'''simple docstring'''

from __future__ import annotations

UpperCAmelCase     		=   []






def 		_snake_case		( _SCREAMING_SNAKE_CASE					:						list[list[int]]							,		_SCREAMING_SNAKE_CASE					:						int							,		_SCREAMING_SNAKE_CASE					:						int							)      ->						bool:







	"""simple docstring"""
	for i in range(len(_SCREAMING_SNAKE_CASE							)							):
		if board[row][i] == 1:
			return False
	for i in range(len(_SCREAMING_SNAKE_CASE							)							):
		if board[i][column] == 1:
			return False
	for i, j in zip(range(_SCREAMING_SNAKE_CASE							,		-1							,		-1							)							,		range(_SCREAMING_SNAKE_CASE							,		-1							,		-1							)							):
		if board[i][j] == 1:
			return False
	for i, j in zip(range(_SCREAMING_SNAKE_CASE							,		-1							,		-1							)							,		range(_SCREAMING_SNAKE_CASE							,		len(_SCREAMING_SNAKE_CASE							)							)							):
		if board[i][j] == 1:
			return False
	return True






def 		_snake_case		( _SCREAMING_SNAKE_CASE					:						list[list[int]]							,		_SCREAMING_SNAKE_CASE					:						int							)      ->						bool:







	"""simple docstring"""
	if row >= len(_SCREAMING_SNAKE_CASE							):
		solution.append(_SCREAMING_SNAKE_CASE							)
		printboard(_SCREAMING_SNAKE_CASE							)
		print()
		return True
	for i in range(len(_SCREAMING_SNAKE_CASE							)							):
		if is_safe(_SCREAMING_SNAKE_CASE							,		_SCREAMING_SNAKE_CASE							,		_SCREAMING_SNAKE_CASE							):
			lowerCAmelCase   =     1
			solve(_SCREAMING_SNAKE_CASE							,		row + 1							)
			lowerCAmelCase   =     0
	return False






def 		_snake_case		( _SCREAMING_SNAKE_CASE					:						list[list[int]]							)      ->						None:







	"""simple docstring"""
	for i in range(len(_SCREAMING_SNAKE_CASE							)							):
		for j in range(len(_SCREAMING_SNAKE_CASE							)							):
			if board[i][j] == 1:
				print("""Q"""							,		end=""" """							)
			else:
				print("""."""							,		end=""" """							)
		print()


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





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