



"""simple docstring"""
def       _snake_case						(						UpperCamelCase						:		str			,		UpperCamelCase						:		str						):
 assert x is not None
 assert y is not None

 UpperCAmelCase	:					Dict	=	len(__SCREAMING_SNAKE_CASE						)
 UpperCAmelCase	:					Optional[int]	=	len(__SCREAMING_SNAKE_CASE						)

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

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

   UpperCAmelCase	:					List[Any]	=	max(l[i - 1][j]			,		l[i][j - 1]			,		l[i - 1][j - 1] + match						)

 UpperCAmelCase	:					List[str]	=	''''''
 UpperCAmelCase	:					int	=	m, n
 while i > 0 and j > 0:
  UpperCAmelCase	:					List[str]	=	1 if x[i - 1] == y[j - 1] else 0

  if l[i][j] == l[i - 1][j - 1] + match:
   if match == 1:
    UpperCAmelCase	:					List[str]	=	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__":
      A:   str								=		"AGGTAB"
      A:   List[str]								=		"GXTXAYB"
      A:   List[Any]								=		4
      A:   Optional[Any]								=		"GTAB"

      A:   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, is_vision_available


_lowercase :  Union[str, Any]    							=       {
    "configuration_mask2former": [
        "MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "Mask2FormerConfig",
    ],
}

try:
							if not is_vision_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							_lowercase :  Optional[int]    							=       ["Mask2FormerImageProcessor"]

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							_lowercase :  str    							=       [
							    "MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST",
							    "Mask2FormerForUniversalSegmentation",
							    "Mask2FormerModel",
							    "Mask2FormerPreTrainedModel",
							]

if TYPE_CHECKING:
							from .configuration_maskaformer import MASK2FORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, MaskaFormerConfig

							try:
														if not is_vision_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .image_processing_maskaformer import MaskaFormerImageProcessor

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_maskaformer import (
														    MASK2FORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
														    MaskaFormerForUniversalSegmentation,
														    MaskaFormerModel,
														    MaskaFormerPreTrainedModel,
														)


else:
							import sys

							_lowercase :  Dict    							=       _LazyModule(__name__, globals()["__file__"], _import_structure)



