"""simple docstring"""


from __future__ import annotations

from collections import defaultdict
from dataclasses import dataclass






@dataclass
class  a__     :
   snake_case_				=   42
   snake_case_				=   None
   snake_case_				=   None







def        __a (		):






     '''simple docstring'''



     return TreeNode(3     ,					TreeNode(9   )     ,					TreeNode(20     ,					TreeNode(15   )     ,					TreeNode(7   )   )   )







def        __a (		A   ):






     '''simple docstring'''



     def depth_first_search(
         A     ,					A     ,					A   ) -> None:
          if not root:
               return

          if depth == len(A   ):
               right_view.append(root.val   )

          depth_first_search(root.right     ,					depth + 1     ,					A   )
          depth_first_search(root.left     ,					depth + 1     ,					A   )

     lowercase__								=				[]
     if not root:
          return right_view

     depth_first_search(A     ,					0     ,					A   )
     return right_view







def        __a (		A   ):






     '''simple docstring'''



     def depth_first_search(
         A     ,					A     ,					A   ) -> None:
          if not root:
               return

          if depth == len(A   ):
               left_view.append(root.val   )

          depth_first_search(root.left     ,					depth + 1     ,					A   )
          depth_first_search(root.right     ,					depth + 1     ,					A   )

     lowercase__								=				[]
     if not root:
          return left_view

     depth_first_search(A     ,					0     ,					A   )
     return left_view







def        __a (		A   ):






     '''simple docstring'''



     def breadth_first_search(A     ,					A   ) -> None:
          lowercase__								=				[(root, 0)]
          lowercase__								=				defaultdict(A   )

          while queue:
               lowercase__								=				queue.pop(0   )
               lowercase__			,    lowercase__								=				first

               lookup[hd].append(node.val   )

               if node.left:
                    queue.append((node.left, hd - 1)   )
               if node.right:
                    queue.append((node.right, hd + 1)   )

          for pair in sorted(lookup.items()     ,					key=lambda A   : each[0]   ):
               top_view.append(pair[1][0]   )

     lowercase__								=				[]
     if not root:
          return top_view

     breadth_first_search(A     ,					A   )
     return top_view







def        __a (		A   ):






     '''simple docstring'''



     from collections import defaultdict

     def breadth_first_search(A     ,					A   ) -> None:
          lowercase__								=				[(root, 0)]
          lowercase__								=				defaultdict(A   )

          while queue:
               lowercase__								=				queue.pop(0   )
               lowercase__			,    lowercase__								=				first
               lookup[hd].append(node.val   )

               if node.left:
                    queue.append((node.left, hd - 1)   )
               if node.right:
                    queue.append((node.right, hd + 1)   )

          for pair in sorted(lookup.items()     ,					key=lambda A   : each[0]   ):
               bottom_view.append(pair[1][-1]   )

     lowercase__								=				[]
     if not root:
          return bottom_view

     breadth_first_search(A     ,					A   )
     return bottom_view


if __name__ == "__main__":
 import doctest

 doctest.testmod()





"""simple docstring"""


import copy

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


lowerCAmelCase_:       List[str]			     =       logging.get_logger(__name__)






class  a__     ( _a						):
   snake_case_				=   "speech-encoder-decoder"
   snake_case_				=   True


   def __init__(  self,					**_UpperCAmelCase	):
        '''simple docstring'''



        super().__init__(**_UpperCAmelCase	)
        if "encoder" not in kwargs or "decoder" not in kwargs:
             raise ValueError(
                 F'''A configuraton of type {self.model_type} cannot be instantiated because not both `encoder` and'''
                 F''' `decoder` sub-configurations are passed, but only {kwargs}'''	)

        lowercase__								=				kwargs.pop("encoder"	)
        lowercase__								=				encoder_config.pop("model_type"	)
        lowercase__								=				kwargs.pop("decoder"	)
        lowercase__								=				decoder_config.pop("model_type"	)

        lowercase__								=				AutoConfig.for_model(_UpperCAmelCase,					**_UpperCAmelCase	)
        lowercase__								=				AutoConfig.for_model(_UpperCAmelCase,					**_UpperCAmelCase	)
        lowercase__								=				True


   @classmethod
   def 						snake_case__						(  cls,					_UpperCAmelCase,					_UpperCAmelCase,					**_UpperCAmelCase	):
        '''simple docstring'''



        logger.info("Setting `config.is_decoder=True` and `config.add_cross_attention=True` for decoder_config"	)
        lowercase__								=				True
        lowercase__								=				True

        return cls(encoder=encoder_config.to_dict(),					decoder=decoder_config.to_dict(),					**_UpperCAmelCase	)


   def 						snake_case__						(  self	):
        '''simple docstring'''



        lowercase__								=				copy.deepcopy(self.__dict__	)
        lowercase__								=				self.encoder.to_dict()
        lowercase__								=				self.decoder.to_dict()
        lowercase__								=				self.__class__.model_type
        return output




