




def 							lowerCamelCase    (							UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      int      )->			int:

       """simple docstring"""




       return len_board * len_board_column * row + column





def 							lowerCamelCase    (							UpperCAmelCase_	:      list[list[str]]   ,       UpperCAmelCase_	:      str   ,       UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      int   ,       UpperCAmelCase_	:      set[int]   ,       )->			bool:

       """simple docstring"""




       if board[row][column] != word[word_index]:
              return False

       if word_index == len(UpperCAmelCase_      ) - 1:
              return True

       a			   =[(0, 1), (0, -1), (-1, 0), (1, 0)]
       a			   =len(UpperCAmelCase_      )
       a			   =len(board[0]      )
       for direction in traverts_directions:
              a			   =row + direction[0]
              a			   =column + direction[1]
              if not (0 <= next_i < len_board and 0 <= next_j < len_board_column):
                     continue

              a			   =get_point_key(UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_      )
              if key in visited_points_set:
                     continue

              visited_points_set.add(UpperCAmelCase_      )
              if exits_word(UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       word_index + 1   ,       UpperCAmelCase_      ):
                     return True

              visited_points_set.remove(UpperCAmelCase_      )

       return False





def 							lowerCamelCase    (							UpperCAmelCase_	:      list[list[str]]   ,       UpperCAmelCase_	:      str      )->			bool:

       """simple docstring"""




       a			   =(
           """The board should be a non empty matrix of single chars strings."""
       )

       a			   =len(UpperCAmelCase_      )
       if not isinstance(UpperCAmelCase_   ,       UpperCAmelCase_      ) or len(UpperCAmelCase_      ) == 0:
              raise ValueError(UpperCAmelCase_      )

       for row in board:
              if not isinstance(UpperCAmelCase_   ,       UpperCAmelCase_      ) or len(UpperCAmelCase_      ) == 0:
                     raise ValueError(UpperCAmelCase_      )

              for item in row:
                     if not isinstance(UpperCAmelCase_   ,       UpperCAmelCase_      ) or len(UpperCAmelCase_      ) != 1:
                            raise ValueError(UpperCAmelCase_      )

    # Validate word
       if not isinstance(UpperCAmelCase_   ,       UpperCAmelCase_      ) or len(UpperCAmelCase_      ) == 0:
              raise ValueError(
                  """The word parameter should be a string of length greater than 0."""      )

       a			   =len(board[0]      )
       for i in range(UpperCAmelCase_      ):
              for j in range(UpperCAmelCase_      ):
                     if exits_word(
                         UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       0   ,       {get_point_key(UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_   ,       UpperCAmelCase_      )}      ):
                            return True

       return False


if __name__ == "__main__":
    import doctest

    doctest.testmod()






from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tf_available, is_torch_available


_lowerCamelCase							=      {'''configuration_cvt''': ['''CVT_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''CvtConfig''']}


try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase							=      [
        '''CVT_PRETRAINED_MODEL_ARCHIVE_LIST''',
        '''CvtForImageClassification''',
        '''CvtModel''',
        '''CvtPreTrainedModel''',
    ]

try:
    if not is_tf_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _lowerCamelCase							=      [
        '''TF_CVT_PRETRAINED_MODEL_ARCHIVE_LIST''',
        '''TFCvtForImageClassification''',
        '''TFCvtModel''',
        '''TFCvtPreTrainedModel''',
    ]

if TYPE_CHECKING:
    from .configuration_cvt import CVT_PRETRAINED_CONFIG_ARCHIVE_MAP, CvtConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_cvt import (
            CVT_PRETRAINED_MODEL_ARCHIVE_LIST,
            CvtForImageClassification,
            CvtModel,
            CvtPreTrainedModel,
        )

    try:
        if not is_tf_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_tf_cvt import (
            TF_CVT_PRETRAINED_MODEL_ARCHIVE_LIST,
            TFCvtForImageClassification,
            TFCvtModel,
            TFCvtPreTrainedModel,
        )


else:
    import sys

    _lowerCamelCase							=      _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)
