





'''simple docstring'''






import json
import os
import unittest

from transformers import MgpstrTokenizer
from transformers.models.mgp_str.tokenization_mgp_str import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin
@require_tokenizers
class 		lowerCamelCase  (      _A      ,   unittest.TestCase       ):
	snake_case_      =   MgpstrTokenizer
	snake_case_      =   False
	snake_case_      =   {}
	snake_case_      =   False



	def   _lowerCamelCase    (   self	):
			super().setUp()

			# fmt: off
			lowerCAmelCase     :    Union[str, Any]						=   ["[GO]", "[s]", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
			# fmt: on
			lowerCAmelCase     :    Tuple						=   dict(zip(a_		,      range(len(a_	)	)	)	)

			lowerCAmelCase     :    Tuple						=   os.path.join(self.tmpdirname		,      VOCAB_FILES_NAMES["vocab_file"]	)
			with open(self.vocab_file		,      "w"		,      encoding="utf-8"	) as fp:
					fp.write(json.dumps(a_	) + "\n"	)



	def   _lowerCamelCase    (   self		,      **a_	):
			return MgpstrTokenizer.from_pretrained(self.tmpdirname		,      **a_	)



	def   _lowerCamelCase    (   self		,      a_	):
			lowerCAmelCase     :    Tuple						=   "tester"
			lowerCAmelCase     :    Optional[Any]						=   "tester"
			return input_text, output_text



	@unittest.skip("MGP-STR always lower cases letters."	)
	def   _lowerCamelCase    (   self	):
			pass



	def   _lowerCamelCase    (   self	):
			lowerCAmelCase     :    Optional[int]						=   self.get_tokenizers(do_lower_case=a_	)
			for tokenizer in tokenizers:
					with self.subTest(F'''{tokenizer.__class__.__name__}'''	):
							lowerCAmelCase     :    List[str]						=   "[SPECIAL_TOKEN]"

							tokenizer.add_special_tokens({"cls_token": special_token}	)
							lowerCAmelCase     :    Optional[Any]						=   tokenizer.encode([special_token]		,      add_special_tokens=a_	)
							self.assertEqual(len(a_	)		,      1	)

							lowerCAmelCase     :    Optional[int]						=   tokenizer.decode(a_		,      skip_special_tokens=a_	)
							self.assertTrue(special_token not in decoded	)



	def   _lowerCamelCase    (   self	):
			lowerCAmelCase     :    Optional[int]						=   self.get_tokenizers()
			for tokenizer in tokenizers:
					with self.subTest(F'''{tokenizer.__class__.__name__}'''	):
							lowerCAmelCase	,		lowerCAmelCase     :    Dict						=   self.get_input_output_texts(a_	)

							lowerCAmelCase     :    Optional[Any]						=   tokenizer.tokenize(a_	)
							lowerCAmelCase     :    Optional[Any]						=   tokenizer.convert_tokens_to_ids(a_	)
							lowerCAmelCase     :    Dict						=   tokenizer.encode(a_		,      add_special_tokens=a_	)
							self.assertListEqual(a_		,      a_	)

							lowerCAmelCase     :    Union[str, Any]						=   tokenizer.convert_ids_to_tokens(a_	)
							self.assertNotEqual(len(a_	)		,      0	)
							lowerCAmelCase     :    Optional[int]						=   tokenizer.decode(a_	)
							self.assertIsInstance(a_		,      a_	)

							self.assertEqual(text_a.replace(" "		,      ""	)		,      a_	)



	@unittest.skip("MGP-STR tokenizer only handles one sequence."	)
	def   _lowerCamelCase    (   self	):
			pass





	@unittest.skip("inputs cannot be pretokenized in MgpstrTokenizer"	)
	def   _lowerCamelCase    (   self	):
			pass










'''simple docstring'''






from __future__ import annotations

lowerCAmelCase       		=      []






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






def      __A						(							a_						:  list[list[int]]      ,a_						:  int	):
		if row >= len(a_	):
				solution.append(a_	)
				printboard(a_	)
				print()
				return True
		for i in range(len(a_	)	):
				if is_safe(a_      ,a_      ,a_	):
						lowerCAmelCase     :    Any						=   1
						solve(a_      ,row + 1	)
						lowerCAmelCase     :    List[Any]						=   0
		return False






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


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

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



