






'''simple docstring'''



from __future__ import annotations



def    __UpperCAmelCase	(				SCREAMING_SNAKE_CASE__:	tuple[int, int],					SCREAMING_SNAKE_CASE__:	int    )  ->			list[tuple[int, int]]:

   """simple docstring"""
   __a     ,			__a				     =    position
   __a				     =    [
       (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				     =    []

   for position in positions:
      __a     ,			__a				     =    position
      if 0 <= y_test < n and 0 <= x_test < n:
         permissible_positions.append(SCREAMING_SNAKE_CASE__    )

   return permissible_positions



def    __UpperCAmelCase	(				SCREAMING_SNAKE_CASE__:	list[list[int]]    )  ->			bool:

   """simple docstring"""
   return not any(elem == 0 for row in board for elem in row    )



def    __UpperCAmelCase	(				SCREAMING_SNAKE_CASE__:	list[list[int]],					SCREAMING_SNAKE_CASE__:	tuple[int, int],					SCREAMING_SNAKE_CASE__:	int    )  ->			bool:

   """simple docstring"""

   if is_complete(SCREAMING_SNAKE_CASE__    ):
      return True

   for position in get_valid_pos(SCREAMING_SNAKE_CASE__,					len(SCREAMING_SNAKE_CASE__    )    ):
      __a     ,			__a				     =    position

      if board[y][x] == 0:
         __a				     =    curr + 1
         if open_knight_tour_helper(SCREAMING_SNAKE_CASE__,					SCREAMING_SNAKE_CASE__,					curr + 1    ):
            return True
         __a				     =    0

   return False



def    __UpperCAmelCase	(				SCREAMING_SNAKE_CASE__:	int    )  ->			list[list[int]]:

   """simple docstring"""
   __a				     =    [[0 for i in range(SCREAMING_SNAKE_CASE__    )] for j in range(SCREAMING_SNAKE_CASE__    )]

   for i in range(SCREAMING_SNAKE_CASE__    ):
      for j in range(SCREAMING_SNAKE_CASE__    ):
         __a				     =    1
         if open_knight_tour_helper(SCREAMING_SNAKE_CASE__,					(i, j),					1    ):
            return board
         __a				     =    0

   __a				     =    f"""Open Kight Tour cannot be performed on a board of size {n}"""
   raise ValueError(SCREAMING_SNAKE_CASE__    )


if __name__ == "__main__":
 import doctest

 doctest.testmod()







'''simple docstring'''



from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__UpperCamelCase      :       Tuple      			=      {
    """configuration_blip_2""": [
        """BLIP_2_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """Blip2Config""",
        """Blip2QFormerConfig""",
        """Blip2VisionConfig""",
    ],
    """processing_blip_2""": ["""Blip2Processor"""],
}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 __UpperCamelCase      :       Optional[int]      			=      [
     """BLIP_2_PRETRAINED_MODEL_ARCHIVE_LIST""",
     """Blip2Model""",
     """Blip2QFormerModel""",
     """Blip2PreTrainedModel""",
     """Blip2ForConditionalGeneration""",
     """Blip2VisionModel""",
 ]

if TYPE_CHECKING:
 from .configuration_blip_a import (
     BLIP_2_PRETRAINED_CONFIG_ARCHIVE_MAP,
     BlipaConfig,
     BlipaQFormerConfig,
     BlipaVisionConfig,
 )
 from .processing_blip_a import BlipaProcessor

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_blip_a import (
      BLIP_2_PRETRAINED_MODEL_ARCHIVE_LIST,
      BlipaForConditionalGeneration,
      BlipaModel,
      BlipaPreTrainedModel,
      BlipaQFormerModel,
      BlipaVisionModel,
  )

else:
 import sys

 __UpperCamelCase      :       Dict      			=      _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)