





from __future__ import annotations





def 	lowerCAmelCase_					(			__a						)	->						bool:







  """simple docstring"""





  lowerCamelCase__: Union[str, Any]         =len(__a						)
  # We need to create solution object to save path.
  lowerCamelCase__: Optional[Any]         =[[0 for _ in range(__a						)] for _ in range(__a						)]
  lowerCamelCase__: int         =run_maze(__a      ,       0      ,       0      ,       __a						)
  if solved:
    print("\n".join(str(__a						) for row in solutions						)						)
  else:
    print("No solution exists!"						)
  return solved





def 	lowerCAmelCase_					(			__a      ,       __a      ,       __a      ,       __a						)	->						bool:







  """simple docstring"""





  lowerCamelCase__: List[str]         =len(__a						)
  # Final check point.
  if i == j == (size - 1):
    lowerCamelCase__: List[str]         =1
    return True

  lowerCamelCase__: Optional[int]         =(not i < 0) and (not j < 0)  # Check lower bounds
  lowerCamelCase__: Dict         =(i < size) and (j < size)  # Check upper bounds

  if lower_flag and upper_flag:
    # check for already visited and block points.
    lowerCamelCase__: Optional[Any]         =(not solutions[i][j]) and (not maze[i][j])
    if block_flag:
      # check visited
      lowerCamelCase__: Optional[Any]         =1

      # check for directions
      if (
          run_maze(__a      ,       i + 1      ,       __a      ,       __a						)
          or run_maze(__a      ,       __a      ,       j + 1      ,       __a						)
          or run_maze(__a      ,       i - 1      ,       __a      ,       __a						)
          or run_maze(__a      ,       __a      ,       j - 1      ,       __a						)
      ):
        return True

      lowerCamelCase__: List[Any]         =0
      return False
  return False


if __name__ == "__main__":
     import doctest

     doctest.testmod()









from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


snake_case__   :						Optional[int]													=   {
    """configuration_pegasus_x""": ["""PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP""", """PegasusXConfig"""],
}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 snake_case__   :						Dict													=   [
     """PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST""",
     """PegasusXForConditionalGeneration""",
     """PegasusXModel""",
     """PegasusXPreTrainedModel""",
 ]


if TYPE_CHECKING:
 from .configuration_pegasus_x import PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP, PegasusXConfig

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_pegasus_x import (
      PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST,
      PegasusXForConditionalGeneration,
      PegasusXModel,
      PegasusXPreTrainedModel,
  )


else:
 import sys

 snake_case__   :						Optional[Any]													=   _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)





