
"""simple docstring"""






from collections import deque
from math import floor
from random import random
from time import time

class 					__a     :



							'''simple docstring'''







							def __init__(     self       )			->							List[str]:




										'''simple docstring'''
										__lowercase       =       {}
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase  ,    _lowerCamelCase  ,    _lowerCamelCase=1       )			->							List[Any]:




										'''simple docstring'''
										if self.graph.get(_lowerCamelCase       ):
													if self.graph[u].count([w, v]       ) == 0:
																self.graph[u].append([w, v]       )
										else:
													__lowercase       =       [[w, v]]
										if not self.graph.get(_lowerCamelCase       ):
													__lowercase       =       []
							def   SCREAMING_SNAKE_CASE						(     self       )			->							List[Any]:




										'''simple docstring'''
										return list(self.graph       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase  ,    _lowerCamelCase       )			->							int:




										'''simple docstring'''
										if self.graph.get(_lowerCamelCase       ):
													for _ in self.graph[u]:
																if _[1] == v:
																			self.graph[u].remove(_lowerCamelCase       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2  ,    _lowerCamelCase=-1       )			->							str:




										'''simple docstring'''
										if s == d:
													return []
										__lowercase       =       []
										__lowercase       =       []
										if s == -2:
													__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       s

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if visited.count(node[1]       ) < 1:
																						if node[1] == d:
																									visited.append(_lowerCamelCase       )
																									return visited
																						else:
																									stack.append(node[1]       )
																									visited.append(node[1]       )
																									__lowercase       =       node[1]
																									break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return visited
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-1       )			->							int:




										'''simple docstring'''
										if c == -1:
													__lowercase       =       floor(random() * 10_000       ) + 10
										for i in range(_lowerCamelCase       ):
													# every vertex has max 100 edges
													for _ in range(floor(random() * 102       ) + 1       ):
																__lowercase       =       floor(random() * c       ) + 1
																if n != i:
																			self.add_pair(_lowerCamelCase  ,    _lowerCamelCase  ,    1       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2       )			->							Dict:




										'''simple docstring'''
										__lowercase       =       deque()
										__lowercase       =       []
										if s == -2:
													__lowercase       =       list(self.graph       )[0]
										d.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										while d:
													__lowercase       =       d.popleft()
													if len(self.graph[s]       ) != 0:
																for node in self.graph[s]:
																			if visited.count(node[1]       ) < 1:
																						d.append(node[1]       )
																						visited.append(node[1]       )
										return visited
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase       )			->							Any:




										'''simple docstring'''
										__lowercase       =       0
										for x in self.graph:
													for y in self.graph[x]:
																if y[1] == u:
																			count += 1
										return count
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase       )			->							Union[str, Any]:




										'''simple docstring'''
										return len(self.graph[u]       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2       )			->							Optional[Any]:




										'''simple docstring'''
										__lowercase       =       []
										__lowercase       =       []
										if s == -2:
													__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       s
										__lowercase       =       []

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if visited.count(node[1]       ) < 1:
																						stack.append(node[1]       )
																						visited.append(node[1]       )
																						__lowercase       =       node[1]
																						break

																 # check if all the children are visited
													if s == ss:
																sorted_nodes.append(stack.pop()       )
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return sorted_nodes
							def   SCREAMING_SNAKE_CASE						(     self       )			->							int:




										'''simple docstring'''
										__lowercase       =       []
										__lowercase       =       []
										__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       -2
										__lowercase       =       []
										__lowercase       =       s
										__lowercase       =       False
										__lowercase       =       set()

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if (
																			    visited.count(node[1]       ) > 0
																			    and node[1] != parent
																			    and indirect_parents.count(node[1]       ) > 0
																			    and not on_the_way_back
																			):
																						__lowercase       =       len(_lowerCamelCase       ) - 1
																						while len_stack >= 0:
																									if stack[len_stack] == node[1]:
																												anticipating_nodes.add(node[1]       )
																												break
																									else:
																												anticipating_nodes.add(stack[len_stack]       )
																												len_stack -= 1
																			if visited.count(node[1]       ) < 1:
																						stack.append(node[1]       )
																						visited.append(node[1]       )
																						__lowercase       =       node[1]
																						break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																__lowercase       =       True
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       False
																indirect_parents.append(_lowerCamelCase       )
																__lowercase       =       s
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return list(_lowerCamelCase       )
							def   SCREAMING_SNAKE_CASE						(     self       )			->							List[str]:




										'''simple docstring'''
										__lowercase       =       []
										__lowercase       =       []
										__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       -2
										__lowercase       =       []
										__lowercase       =       s
										__lowercase       =       False
										__lowercase       =       set()

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if (
																			    visited.count(node[1]       ) > 0
																			    and node[1] != parent
																			    and indirect_parents.count(node[1]       ) > 0
																			    and not on_the_way_back
																			):
																						__lowercase       =       len(_lowerCamelCase       ) - 1
																						while len_stack_minus_one >= 0:
																									if stack[len_stack_minus_one] == node[1]:
																												anticipating_nodes.add(node[1]       )
																												break
																									else:
																												return True
																			if visited.count(node[1]       ) < 1:
																						stack.append(node[1]       )
																						visited.append(node[1]       )
																						__lowercase       =       node[1]
																						break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																__lowercase       =       True
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       False
																indirect_parents.append(_lowerCamelCase       )
																__lowercase       =       s
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return False
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2  ,    _lowerCamelCase=-1       )			->							List[str]:




										'''simple docstring'''
										__lowercase       =       time()
										self.dfs(_lowerCamelCase  ,    _lowerCamelCase       )
										__lowercase       =       time()
										return end - begin





							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2       )			->							Dict:




										'''simple docstring'''
										__lowercase       =       time()
										self.bfs(_lowerCamelCase       )
										__lowercase       =       time()
										return end - begin





class 					__a     :



							'''simple docstring'''







							def __init__(     self       )			->							Any:




										'''simple docstring'''
										__lowercase       =       {}
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase  ,    _lowerCamelCase  ,    _lowerCamelCase=1       )			->							Any:




										'''simple docstring'''
										# check if the u exists
										if self.graph.get(_lowerCamelCase       ):
													# if there already is a edge
													if self.graph[u].count([w, v]       ) == 0:
																self.graph[u].append([w, v]       )
										else:
													# if u does not exist
													__lowercase       =       [[w, v]]
										# add the other way
										if self.graph.get(_lowerCamelCase       ):
													# if there already is a edge
													if self.graph[v].count([w, u]       ) == 0:
																self.graph[v].append([w, u]       )
										else:
													# if u does not exist
													__lowercase       =       [[w, u]]
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase  ,    _lowerCamelCase       )			->							Any:




										'''simple docstring'''
										if self.graph.get(_lowerCamelCase       ):
													for _ in self.graph[u]:
																if _[1] == v:
																			self.graph[u].remove(_lowerCamelCase       )
													# the other way round
										if self.graph.get(_lowerCamelCase       ):
													for _ in self.graph[v]:
																if _[1] == u:
																			self.graph[v].remove(_lowerCamelCase       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2  ,    _lowerCamelCase=-1       )			->							Dict:




										'''simple docstring'''
										if s == d:
													return []
										__lowercase       =       []
										__lowercase       =       []
										if s == -2:
													__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       s

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if visited.count(node[1]       ) < 1:
																						if node[1] == d:
																									visited.append(_lowerCamelCase       )
																									return visited
																						else:
																									stack.append(node[1]       )
																									visited.append(node[1]       )
																									__lowercase       =       node[1]
																									break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return visited
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-1       )			->							Union[str, Any]:




										'''simple docstring'''
										if c == -1:
													__lowercase       =       floor(random() * 10_000       ) + 10
										for i in range(_lowerCamelCase       ):
													# every vertex has max 100 edges
													for _ in range(floor(random() * 102       ) + 1       ):
																__lowercase       =       floor(random() * c       ) + 1
																if n != i:
																			self.add_pair(_lowerCamelCase  ,    _lowerCamelCase  ,    1       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2       )			->							Dict:




										'''simple docstring'''
										__lowercase       =       deque()
										__lowercase       =       []
										if s == -2:
													__lowercase       =       list(self.graph       )[0]
										d.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										while d:
													__lowercase       =       d.popleft()
													if len(self.graph[s]       ) != 0:
																for node in self.graph[s]:
																			if visited.count(node[1]       ) < 1:
																						d.append(node[1]       )
																						visited.append(node[1]       )
										return visited
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase       )			->							Optional[int]:




										'''simple docstring'''
										return len(self.graph[u]       )
							def   SCREAMING_SNAKE_CASE						(     self       )			->							Dict:




										'''simple docstring'''
										__lowercase       =       []
										__lowercase       =       []
										__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       -2
										__lowercase       =       []
										__lowercase       =       s
										__lowercase       =       False
										__lowercase       =       set()

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if (
																			    visited.count(node[1]       ) > 0
																			    and node[1] != parent
																			    and indirect_parents.count(node[1]       ) > 0
																			    and not on_the_way_back
																			):
																						__lowercase       =       len(_lowerCamelCase       ) - 1
																						while len_stack >= 0:
																									if stack[len_stack] == node[1]:
																												anticipating_nodes.add(node[1]       )
																												break
																									else:
																												anticipating_nodes.add(stack[len_stack]       )
																												len_stack -= 1
																			if visited.count(node[1]       ) < 1:
																						stack.append(node[1]       )
																						visited.append(node[1]       )
																						__lowercase       =       node[1]
																						break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																__lowercase       =       True
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       False
																indirect_parents.append(_lowerCamelCase       )
																__lowercase       =       s
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return list(_lowerCamelCase       )
							def   SCREAMING_SNAKE_CASE						(     self       )			->							str:




										'''simple docstring'''
										__lowercase       =       []
										__lowercase       =       []
										__lowercase       =       list(self.graph       )[0]
										stack.append(_lowerCamelCase       )
										visited.append(_lowerCamelCase       )
										__lowercase       =       -2
										__lowercase       =       []
										__lowercase       =       s
										__lowercase       =       False
										__lowercase       =       set()

										while True:
													# check if there is any non isolated nodes
													if len(self.graph[s]       ) != 0:
																__lowercase       =       s
																for node in self.graph[s]:
																			if (
																			    visited.count(node[1]       ) > 0
																			    and node[1] != parent
																			    and indirect_parents.count(node[1]       ) > 0
																			    and not on_the_way_back
																			):
																						__lowercase       =       len(_lowerCamelCase       ) - 1
																						while len_stack_minus_one >= 0:
																									if stack[len_stack_minus_one] == node[1]:
																												anticipating_nodes.add(node[1]       )
																												break
																									else:
																												return True
																			if visited.count(node[1]       ) < 1:
																						stack.append(node[1]       )
																						visited.append(node[1]       )
																						__lowercase       =       node[1]
																						break

																 # check if all the children are visited
													if s == ss:
																stack.pop()
																__lowercase       =       True
																if len(_lowerCamelCase       ) != 0:
																			__lowercase       =       stack[len(_lowerCamelCase       ) - 1]
													else:
																__lowercase       =       False
																indirect_parents.append(_lowerCamelCase       )
																__lowercase       =       s
																__lowercase       =       ss

													# check if se have reached the starting point
													if len(_lowerCamelCase       ) == 0:
																return False
							def   SCREAMING_SNAKE_CASE						(     self       )			->							str:




										'''simple docstring'''
										return list(self.graph       )
							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2  ,    _lowerCamelCase=-1       )			->							Tuple:




										'''simple docstring'''
										__lowercase       =       time()
										self.dfs(_lowerCamelCase  ,    _lowerCamelCase       )
										__lowercase       =       time()
										return end - begin





							def   SCREAMING_SNAKE_CASE						(     self  ,    _lowerCamelCase=-2       )			->							Optional[Any]:




										'''simple docstring'''
										__lowercase       =       time()
										self.bfs(_lowerCamelCase       )
										__lowercase       =       time()
										return end - begin






'''simple docstring'''

from typing import TYPE_CHECKING

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


A_     :						Optional[Any]    							={
    '''configuration_squeezebert''': [
        '''SQUEEZEBERT_PRETRAINED_CONFIG_ARCHIVE_MAP''',
        '''SqueezeBertConfig''',
        '''SqueezeBertOnnxConfig''',
    ],
    '''tokenization_squeezebert''': ['''SqueezeBertTokenizer'''],
}

try:
 if not is_tokenizers_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 A_     :						Dict    							=['''SqueezeBertTokenizerFast''']

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 A_     :						Optional[int]    							=[
     '''SQUEEZEBERT_PRETRAINED_MODEL_ARCHIVE_LIST''',
     '''SqueezeBertForMaskedLM''',
     '''SqueezeBertForMultipleChoice''',
     '''SqueezeBertForQuestionAnswering''',
     '''SqueezeBertForSequenceClassification''',
     '''SqueezeBertForTokenClassification''',
     '''SqueezeBertModel''',
     '''SqueezeBertModule''',
     '''SqueezeBertPreTrainedModel''',
 ]


if TYPE_CHECKING:
 from .configuration_squeezebert import (
     SQUEEZEBERT_PRETRAINED_CONFIG_ARCHIVE_MAP,
     SqueezeBertConfig,
     SqueezeBertOnnxConfig,
 )
 from .tokenization_squeezebert import SqueezeBertTokenizer

 try:
  if not is_tokenizers_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .tokenization_squeezebert_fast import SqueezeBertTokenizerFast

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_squeezebert import (
      SQUEEZEBERT_PRETRAINED_MODEL_ARCHIVE_LIST,
      SqueezeBertForMaskedLM,
      SqueezeBertForMultipleChoice,
      SqueezeBertForQuestionAnswering,
      SqueezeBertForSequenceClassification,
      SqueezeBertForTokenClassification,
      SqueezeBertModel,
      SqueezeBertModule,
      SqueezeBertPreTrainedModel,
  )

else:
 import sys

 A_     :						List[str]    							=_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)





