



'''simple docstring'''




def      a      (			lowerCamelCase__						,				lowerCamelCase__   ):
			'''simple docstring'''





			assert x is not None
			assert y is not None

			A_     :						List[Any]     =					len(lowerCamelCase__   )
			A_     :						List[str]     =					len(lowerCamelCase__   )

			# declaring the array for storing the dp values
			A_     :						Optional[int]     =					[[0] * (n + 1) for _ in range(m + 1   )]  # noqa: E741

			for i in range(1						,				m + 1   ):
						for j in range(1						,				n + 1   ):
									A_     :						Tuple     =					1 if x[i - 1] == y[j - 1] else 0

									A_     :						Tuple     =					max(l[i - 1][j]						,				l[i][j - 1]						,				l[i - 1][j - 1] + match   )

			A_     :						int     =					""""""
			A_     :						Dict     =					m, n
			while i > 0 and j > 0:
						A_     :						Tuple     =					1 if x[i - 1] == y[j - 1] else 0

						if l[i][j] == l[i - 1][j - 1] + match:
									if match == 1:
												A_     :						List[Any]     =					x[i - 1] + seq
									i -= 1
									j -= 1
						elif l[i][j] == l[i - 1][j]:
									i -= 1
						else:
									j -= 1

			return l[m][n], seq


if __name__ == "__main__":
						lowerCamelCase							:Any     = '''AGGTAB'''
						lowerCamelCase							:int     = '''GXTXAYB'''
						lowerCamelCase							:Optional[int]     = 4
						lowerCamelCase							:str     = '''GTAB'''

						lowerCamelCase							:int     = longest_common_subsequence(a, b)
						print('''len =''', ln, ''', sub-sequence =''', subseq)
						import doctest

						doctest.testmod()




'''simple docstring'''




from typing import TYPE_CHECKING

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


lowerCamelCase							:Dict       = {'''configuration_mmbt''': ['''MMBTConfig''']}

try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						lowerCamelCase							:str       = ['''MMBTForClassification''', '''MMBTModel''', '''ModalEmbeddings''']


if TYPE_CHECKING:
						from .configuration_mmbt import MMBTConfig

						try:
												if not is_torch_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .modeling_mmbt import MMBTForClassification, MMBTModel, ModalEmbeddings

else:
						import sys

						lowerCamelCase							:Tuple       = _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)