






'''simple docstring'''







from typing import Dict, List, Optional

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


__lowerCAmelCase       		=      logging.get_logger(__name__)


__lowerCAmelCase       		=      {
    'nielsr/canine-s': 2_048,
}

# Unicode defines 1,114,112 total “codepoints”
__lowerCAmelCase       		=      1_114_112

# Below: Constants defining canonical codepoints for special, pseudo-characters.
# Copied from https://github.com/google-research/language/blob/master/language/canine/special_codepoints.py
__lowerCAmelCase       		=      0

__lowerCAmelCase       		=      0XE_000
__lowerCAmelCase       		=      0XE_001
__lowerCAmelCase       		=      0XE_002
__lowerCAmelCase       		=      0XE_003
__lowerCAmelCase       		=      0XE_004

# Maps special codepoints to human-readable names.
__lowerCAmelCase       		=      {
    # Special symbols are represented using codepoints values that are valid,
    # but designated as "Private Use", meaning that they will never be assigned
    # characters by the Unicode Consortium, and are thus safe for use here.
    #
    # NOTE: Do *NOT* add any sort of [UNK_CHAR] here. They are explicitly
    # excluded and should fail with a hard error.
    CLS: "[CLS]",
    SEP: "[SEP]",
    BOS: "[BOS]",
    MASK: "[MASK]",
    PAD: "[PAD]",
    RESERVED: "[RESERVED]",
}

# Maps special codepoint human-readable names to their codepoint values.
__lowerCAmelCase       		=      {name: codepoint for codepoint, name in SPECIAL_CODEPOINTS.items()}





class 	SCREAMING_SNAKE_CASE					(					SCREAMING_SNAKE_CASE_       ):
			snake_case__  =				PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES






			def __init__( self      :			int  ,						__SCREAMING_SNAKE_CASE      :			List[str]=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			Any=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			Tuple=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			Tuple=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			Optional[Any]=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			Optional[Any]=chr(UpperCamelCase__					)  ,						__SCREAMING_SNAKE_CASE      :			int=False  ,						__SCREAMING_SNAKE_CASE      :			List[str]=2048  ,						**__SCREAMING_SNAKE_CASE      :			Optional[int]  ,						)			->			List[Any]:
							a_		:  Any											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else bos_token
							a_		:  Union[str, Any]											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else eos_token
							a_		:  Dict											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else sep_token
							a_		:  str											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else cls_token
							a_		:  Optional[int]											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else pad_token

							# Mask token behave like a normal word, i.e. include the space before it
							a_		:  str											=      AddedToken(UpperCamelCase__  ,						lstrip=UpperCamelCase__  ,						rstrip=UpperCamelCase__					) if isinstance(UpperCamelCase__  ,						UpperCamelCase__					) else mask_token

							super().__init__(
							    bos_token=UpperCamelCase__  ,						eos_token=UpperCamelCase__  ,						sep_token=UpperCamelCase__  ,						cls_token=UpperCamelCase__  ,						pad_token=UpperCamelCase__  ,						mask_token=UpperCamelCase__  ,						add_prefix_space=UpperCamelCase__  ,						model_max_length=UpperCamelCase__  ,						**UpperCamelCase__  ,						)

							# Creates a mapping for looking up the IDs of special symbols.
							a_		:  Dict[str, int]											=      {}
							for codepoint, name in SPECIAL_CODEPOINTS.items():
											a_		:  Optional[Any]											=      codepoint

							# Creates a mapping for looking up the string forms of special symbol IDs.
							a_		:  Dict[int, str]											=      {
							    codepoint: name for name, codepoint in self._special_codepoints.items()
							}

							a_		:  Optional[int]											=      UNICODE_VOCAB_SIZE
							a_		:  Dict											=      len(self._special_codepoints					)






			@property
			def 			SCREAMING_SNAKE_CASE      ( self      :			Any					)			->			Optional[int]:
							return self._unicode_vocab_size






			def 			SCREAMING_SNAKE_CASE      ( self      :			Union[str, Any]  ,						__SCREAMING_SNAKE_CASE      :			Tuple					)			->			int:
							return list(UpperCamelCase__					)






			def 			SCREAMING_SNAKE_CASE      ( self      :			Optional[Any]  ,						__SCREAMING_SNAKE_CASE      :			Optional[int]					)			->			List[Any]:
							try:
											return ord(UpperCamelCase__					)
							except TypeError:
											raise ValueError(f'invalid token: \'{token}\''					)






			def 			SCREAMING_SNAKE_CASE      ( self      :			Optional[int]  ,						__SCREAMING_SNAKE_CASE      :			Any					)			->			Union[str, Any]:
							try:
											if index in SPECIAL_CODEPOINTS:
															return SPECIAL_CODEPOINTS[index]
											return chr(UpperCamelCase__					)
							except TypeError:
											raise ValueError(f'invalid id: {index}'					)






			def 			SCREAMING_SNAKE_CASE      ( self      :			Dict  ,						__SCREAMING_SNAKE_CASE      :			Dict					)			->			Any:
							return "".join(UpperCamelCase__					)






			def 			SCREAMING_SNAKE_CASE      ( self      :			Optional[Any]  ,						__SCREAMING_SNAKE_CASE      :			Tuple  ,						__SCREAMING_SNAKE_CASE      :			Optional[int] = None					)			->			Optional[Any]:
							a_		:  Any											=      [self.sep_token_id]
							a_		:  Union[str, Any]											=      [self.cls_token_id]

							a_		:  int											=      cls + token_ids_a + sep
							if token_ids_a is not None:
											result += token_ids_a + sep
							return result






			def 			SCREAMING_SNAKE_CASE      ( self      :			List[str]  ,						__SCREAMING_SNAKE_CASE      :			List[Any]  ,						__SCREAMING_SNAKE_CASE      :			str = None  ,						__SCREAMING_SNAKE_CASE      :			Tuple = False					)			->			int:
							if already_has_special_tokens:
											return super().get_special_tokens_mask(
											    token_ids_a=UpperCamelCase__  ,						token_ids_a=UpperCamelCase__  ,						already_has_special_tokens=UpperCamelCase__					)

							a_		:  Tuple											=      [1] + ([0] * len(UpperCamelCase__					)) + [1]
							if token_ids_a is not None:
											result += ([0] * len(UpperCamelCase__					)) + [1]
							return result






			def 			SCREAMING_SNAKE_CASE      ( self      :			Tuple  ,						__SCREAMING_SNAKE_CASE      :			List[Any]  ,						__SCREAMING_SNAKE_CASE      :			str = None					)			->			Optional[int]:
							a_		:  Optional[int]											=      [self.sep_token_id]
							a_		:  Dict											=      [self.cls_token_id]

							a_		:  List[str]											=      len(cls + token_ids_a + sep					) * [0]
							if token_ids_a is not None:
											result += len(token_ids_a + sep					) * [1]
							return result







			def 			SCREAMING_SNAKE_CASE      ( self      :			List[str]  ,						__SCREAMING_SNAKE_CASE      :			Tuple  ,						__SCREAMING_SNAKE_CASE      :			Optional[Any] = None					)			->			int:
							return ()












'''simple docstring'''







from __future__ import annotations





def 		_UpperCAmelCase   (							__A							:   tuple[int, int]						,		__A							:   int      ):
				a_				,			a_		:  List[str]											=      position
				a_		:  Optional[int]											=      [
				    (y + 1, x + 2),
				    (y - 1, x + 2),
				    (y + 1, x - 2),
				    (y - 1, x - 2),
				    (y + 2, x + 1),
				    (y + 2, x - 1),
				    (y - 2, x + 1),
				    (y - 2, x - 1),
				]
				a_		:  Any											=      []

				for position in positions:
								a_				,			a_		:  Dict											=      position
								if 0 <= y_test < n and 0 <= x_test < n:
												permissible_positions.append(__A      )

				return permissible_positions





def 		_UpperCAmelCase   (							__A							:   list[list[int]]      ):
				return not any(elem == 0 for row in board for elem in row      )





def 		_UpperCAmelCase   (							__A							:   list[list[int]]						,		__A							:   tuple[int, int]						,		__A							:   int      ):

				if is_complete(__A      ):
								return True

				for position in get_valid_pos(__A						,		len(__A      )      ):
								a_				,			a_		:  Dict											=      position

								if board[y][x] == 0:
												a_		:  Optional[Any]											=      curr + 1
												if open_knight_tour_helper(__A						,		__A						,		curr + 1      ):
																return True
												a_		:  Tuple											=      0

				return False





def 		_UpperCAmelCase   (							__A							:   int      ):
				a_		:  List[str]											=      [[0 for i in range(__A      )] for j in range(__A      )]

				for i in range(__A      ):
								for j in range(__A      ):
												a_		:  Optional[Any]											=      1
												if open_knight_tour_helper(__A						,		(i, j)						,		1      ):
																return board
												a_		:  Union[str, Any]											=      0

				a_		:  Dict											=      f'Open Kight Tour cannot be performed on a board of size {n}'
				raise ValueError(__A      )


if __name__ == "__main__":
		import doctest

		doctest.testmod()




