





'''simple docstring'''



import heapq as hq
import math
from collections.abc import Iterator


class       __SCREAMING_SNAKE_CASE	:



     '''simple docstring'''






     def __init__(					self						,   lowerCamelCase	):
       _snake_case     		=				str(id_	)
       _snake_case     		=				None
       _snake_case     		=				None
       _snake_case     		=				[]
       _snake_case     		=				{}  # {vertex:distance}

     def __lt__(					self						,   lowerCamelCase	):
       return self.key < other.key

     def __repr__(					self	):
       return self.id

     def 	UpperCamelCase(					self						,   lowerCamelCase	):
       self.neighbors.append(_A	)






     def 	UpperCamelCase(					self						,   lowerCamelCase						,   lowerCamelCase	):
       _snake_case     		=				weight







def 				snake_case_      (		SCREAMING_SNAKE_CASE__					,	SCREAMING_SNAKE_CASE__					,	SCREAMING_SNAKE_CASE__					,	SCREAMING_SNAKE_CASE__       ):







  '''simple docstring'''



  graph[a - 1].add_neighbor(graph[b - 1]       )
  graph[b - 1].add_neighbor(graph[a - 1]       )
  # add the edges:
  graph[a - 1].add_edge(graph[b - 1]					,	SCREAMING_SNAKE_CASE__       )
  graph[b - 1].add_edge(graph[a - 1]					,	SCREAMING_SNAKE_CASE__       )




def 				snake_case_      (		SCREAMING_SNAKE_CASE__					,	SCREAMING_SNAKE_CASE__       ):







  '''simple docstring'''



  _snake_case     		=				[]
  for u in graph:
    _snake_case     		=				math.inf
    _snake_case     		=				None
  _snake_case     		=				0
  _snake_case     		=				graph[:]
  while q:
    _snake_case     		=				min(SCREAMING_SNAKE_CASE__       )
    q.remove(SCREAMING_SNAKE_CASE__       )
    for v in u.neighbors:
      if (v in q) and (u.edges[v.id] < v.key):
        _snake_case     		=				u
        _snake_case     		=				u.edges[v.id]
  for i in range(1					,	len(SCREAMING_SNAKE_CASE__       )       ):
    a.append((int(graph[i].id       ) + 1, int(graph[i].pi.id       ) + 1)       )
  return a




def 				snake_case_      (		SCREAMING_SNAKE_CASE__					,	SCREAMING_SNAKE_CASE__       ):







  '''simple docstring'''



  for u in graph:
    _snake_case     		=				math.inf
    _snake_case     		=				None
  _snake_case     		=				0

  _snake_case     		=				list(SCREAMING_SNAKE_CASE__       )
  hq.heapify(SCREAMING_SNAKE_CASE__       )

  while h:
    _snake_case     		=				hq.heappop(SCREAMING_SNAKE_CASE__       )
    for v in u.neighbors:
      if (v in h) and (u.edges[v.id] < v.key):
        _snake_case     		=				u
        _snake_case     		=				u.edges[v.id]
        hq.heapify(SCREAMING_SNAKE_CASE__       )

  for i in range(1					,	len(SCREAMING_SNAKE_CASE__       )       ):
    yield (int(graph[i].id       ) + 1, int(graph[i].pi.id       ) + 1)




def 				snake_case_      (		):







  '''simple docstring'''



  pass


if __name__ == "__main__":
   import doctest

   doctest.testmod()









'''simple docstring'''



from ...configuration_utils import PretrainedConfig
from ...utils import logging
from ...utils.backbone_utils import BackboneConfigMixin, get_aligned_output_features_output_indices


__magic_name__   :						Any    =			logging.get_logger(__name__)

__magic_name__   :						Dict    =			{
    """google/bit-50""": """https://huggingface.co/google/bit-50/resolve/main/config.json""",
}


class       __SCREAMING_SNAKE_CASE	(						__UpperCamelCase					,    __UpperCamelCase			):



     '''simple docstring'''






     UpperCAmelCase__       :						List[str]      =   '''bit'''
     UpperCAmelCase__       :						Union[str, Any]      =   ['''preactivation''', '''bottleneck''']
     UpperCAmelCase__       :						int      =   ['''SAME''', '''VALID''']

     def __init__(					self						,   lowerCamelCase=3						,   lowerCamelCase=64						,   lowerCamelCase=[256, 512, 1_024, 2_048]						,   lowerCamelCase=[3, 4, 6, 3]						,   lowerCamelCase="preactivation"						,   lowerCamelCase="relu"						,   lowerCamelCase=None						,   lowerCamelCase=32						,   lowerCamelCase=0.0						,   lowerCamelCase=False						,   lowerCamelCase=32						,   lowerCamelCase=1						,   lowerCamelCase=None						,   lowerCamelCase=None						,   **lowerCamelCase						,   ):
       super().__init__(**lowerCamelCase	)
       if layer_type not in self.layer_types:
         raise ValueError(F'''layer_type={layer_type} is not one of {",".join(self.layer_types	)}'''	)
       if global_padding is not None:
         if global_padding.upper() in self.supported_padding:
           _snake_case     		=				global_padding.upper()
         else:
           raise ValueError(F'''Padding strategy {global_padding} not supported'''	)
       _snake_case     		=				num_channels
       _snake_case     		=				embedding_size
       _snake_case     		=				hidden_sizes
       _snake_case     		=				depths
       _snake_case     		=				layer_type
       _snake_case     		=				hidden_act
       _snake_case     		=				global_padding
       _snake_case     		=				num_groups
       _snake_case     		=				drop_path_rate
       _snake_case     		=				embedding_dynamic_padding
       _snake_case     		=				output_stride
       _snake_case     		=				width_factor

       _snake_case     		=				["stem"] + [F'''stage{idx}''' for idx in range(1						,   len(lowerCamelCase	) + 1	)]
       _snake_case		,		_snake_case     		=				get_aligned_output_features_output_indices(
           out_features=lowerCamelCase						,   out_indices=lowerCamelCase						,   stage_names=self.stage_names	)


