

"""simple docstring"""



import copy

from ...configuration_utils import PretrainedConfig
from ...utils import logging
from ..auto.configuration_auto import CONFIG_MAPPING


SCREAMING_SNAKE_CASE_					:	Optional[int]							  =						logging.get_logger(__name__)



class 					a						(       _lowerCamelCase				):



    """simple docstring"""



    UpperCAmelCase						 =					"upernet"

    def __init__(     self: int    ,						UpperCamelCase: str=None    ,						UpperCamelCase: int=5_12    ,						UpperCamelCase: List[Any]=0.02    ,						UpperCamelCase: Dict=[1, 2, 3, 6]    ,						UpperCamelCase: str=True    ,						UpperCamelCase: int=0.4    ,						UpperCamelCase: Any=3_84    ,						UpperCamelCase: Tuple=2_56    ,						UpperCamelCase: str=1    ,						UpperCamelCase: Tuple=False    ,						UpperCamelCase: List[Any]=2_55    ,						**UpperCamelCase: Tuple    ,						):






         """simple docstring"""


         super().__init__(**UpperCamelCase       )

         if backbone_config is None:
              logger.info("""`backbone_config` is `None`. Initializing the config with the default `ResNet` backbone."""       )
              A__										=  CONFIG_MAPPING["""resnet"""](out_features=["""stage1""", """stage2""", """stage3""", """stage4"""]       )
         elif isinstance(UpperCamelCase    ,						UpperCamelCase       ):
              A__										=  backbone_config.get("""model_type"""       )
              A__										=  CONFIG_MAPPING[backbone_model_type]
              A__										=  config_class.from_dict(UpperCamelCase       )

         A__										=  backbone_config
         A__										=  hidden_size
         A__										=  initializer_range
         A__										=  pool_scales
         A__										=  use_auxiliary_head
         A__										=  auxiliary_loss_weight
         A__										=  auxiliary_in_channels
         A__										=  auxiliary_channels
         A__										=  auxiliary_num_convs
         A__										=  auxiliary_concat_input
         A__										=  loss_ignore_index





    def 				UpperCamelCase	(     self: Any       ):






         """simple docstring"""


         A__										=  copy.deepcopy(self.__dict__       )
         A__										=  self.backbone_config.to_dict()
         A__										=  self.__class__.model_type
         return output









"""simple docstring"""



from collections import defaultdict





def  _snake_case     (    UpperCAmelCase_  :					int			):
     A__										=  1
     A__										=  True
     for v in tree[start]:
          if v not in visited:
               ret += dfs(UpperCAmelCase_			)
     if ret % 2 == 0:
          cuts.append(UpperCAmelCase_			)
     return ret





def  _snake_case     (    ):
     dfs(1			)


if __name__ == "__main__":
 SCREAMING_SNAKE_CASE_  ,SCREAMING_SNAKE_CASE_					:	Any							  =						1_0, 9
 SCREAMING_SNAKE_CASE_					:	Any							  =						defaultdict(list)
 SCREAMING_SNAKE_CASE_					:	dict[int, bool]							  =						{}
 SCREAMING_SNAKE_CASE_					:	list[int]							  =						[]
 SCREAMING_SNAKE_CASE_					:	Optional[int]							  =						0
 SCREAMING_SNAKE_CASE_					:	Any							  =						[(2, 1), (3, 1), (4, 3), (5, 2), (6, 1), (7, 2), (8, 6), (9, 8), (1_0, 8)]
 for u, v in edges:
  tree[u].append(v)
  tree[v].append(u)
 even_tree()
 print(len(cuts) - 1)






