





'''simple docstring'''

from __future__ import annotations

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

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE      							=       position
   __SCREAMING_SNAKE_CASE      							=       [
       (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),
   ]
   __SCREAMING_SNAKE_CASE      							=       []

   for position in positions:
      __SCREAMING_SNAKE_CASE      							=       position
      if 0 <= y_test < n and 0 <= x_test < n:
         permissible_positions.append(_lowerCamelCase      )

   return permissible_positions

def 						__magic_name__       (							__UpperCAmelCase      )						->					bool:

   '''simple docstring'''







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

def 						__magic_name__       (							__UpperCAmelCase							,	__UpperCAmelCase							,	__UpperCAmelCase      )						->					bool:

   '''simple docstring'''







   if is_complete(_lowerCamelCase      ):
      return True

   for position in get_valid_pos(_lowerCamelCase							,	len(_lowerCamelCase      )      ):
      __SCREAMING_SNAKE_CASE      							=       position

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

   return False

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

   '''simple docstring'''







   __SCREAMING_SNAKE_CASE      							=       [[0 for i in range(_lowerCamelCase      )] for j in range(_lowerCamelCase      )]

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

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


if __name__ == "__main__":
    import doctest

    doctest.testmod()












'''simple docstring'''

from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


a        =						{"configuration_sew": ["SEW_PRETRAINED_CONFIG_ARCHIVE_MAP", "SEWConfig"]}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    a        =						[
        "SEW_PRETRAINED_MODEL_ARCHIVE_LIST",
        "SEWForCTC",
        "SEWForSequenceClassification",
        "SEWModel",
        "SEWPreTrainedModel",
    ]

if TYPE_CHECKING:
    from .configuration_sew import SEW_PRETRAINED_CONFIG_ARCHIVE_MAP, SEWConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_sew import (
            SEW_PRETRAINED_MODEL_ARCHIVE_LIST,
            SEWForCTC,
            SEWForSequenceClassification,
            SEWModel,
            SEWPreTrainedModel,
        )


else:
    import sys

    a        =						_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)





