


def  _a			(						__UpperCamelCase ):
					a_    :     Tuple										=    [0] * len(_snake_case )

					for i in range(1  ,  len(_snake_case ) ):
										# use last results for better performance - dynamic programming
										a_    :     Tuple										=    prefix_result[i - 1]
										while j > 0 and input_string[i] != input_string[j]:
															a_    :     Union[str, Any]										=    prefix_result[j - 1]

										if input_string[i] == input_string[j]:
															j += 1
										a_    :     int										=    j

					return prefix_result



def  _a			(						__UpperCamelCase ):
					return max(prefix_function(_snake_case ) )


if __name__ == "__main__":
							import doctest

							doctest.testmod()







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__lowerCamelCase        =     {
    '''configuration_pegasus_x''': ['''PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''PegasusXConfig'''],
}

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       __lowerCamelCase        =     [
           '''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

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



