





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_sentencepiece_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


UpperCAmelCase__  :	Optional[Any]     ={'''configuration_pegasus''': ['''PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''PegasusConfig''']}

try:
							if not is_sentencepiece_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCAmelCase__  :	Union[str, Any]     =['''PegasusTokenizer''']

try:
							if not is_tokenizers_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCAmelCase__  :	int     =['''PegasusTokenizerFast''']

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCAmelCase__  :	str     =[
							    '''PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST''',
							    '''PegasusForCausalLM''',
							    '''PegasusForConditionalGeneration''',
							    '''PegasusModel''',
							    '''PegasusPreTrainedModel''',
							]

try:
							if not is_tf_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCAmelCase__  :	Union[str, Any]     =[
							    '''TFPegasusForConditionalGeneration''',
							    '''TFPegasusModel''',
							    '''TFPegasusPreTrainedModel''',
							]

try:
							if not is_flax_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCAmelCase__  :	Dict     =[
							    '''FlaxPegasusForConditionalGeneration''',
							    '''FlaxPegasusModel''',
							    '''FlaxPegasusPreTrainedModel''',
							]


if TYPE_CHECKING:
							from .configuration_pegasus import PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP, PegasusConfig

							try:
														if not is_sentencepiece_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_pegasus import PegasusTokenizer

							try:
														if not is_tokenizers_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_pegasus_fast import PegasusTokenizerFast

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_pegasus import (
														    PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST,
														    PegasusForCausalLM,
														    PegasusForConditionalGeneration,
														    PegasusModel,
														    PegasusPreTrainedModel,
														)

							try:
														if not is_tf_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_tf_pegasus import TFPegasusForConditionalGeneration, TFPegasusModel, TFPegasusPreTrainedModel

							try:
														if not is_flax_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_flax_pegasus import (
														    FlaxPegasusForConditionalGeneration,
														    FlaxPegasusModel,
														    FlaxPegasusPreTrainedModel,
														)

else:
							import sys

							UpperCAmelCase__  :	Union[str, Any]     =_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)












def    _lowercase    (  _UpperCAmelCase	,					_UpperCAmelCase )  ->     int:
				print("""\nVertex Distance""" )
				for i in range(_UpperCAmelCase ):
								if dist[i] != float("""inf""" ):
												print(_UpperCAmelCase	,					"""\t"""	,					int(dist[i] )	,					end="""\t""" )
								else:
												print(_UpperCAmelCase	,					"""\t"""	,					"""INF"""	,					end="""\t""" )
								print()





def    _lowercase    (  _UpperCAmelCase	,					_UpperCAmelCase	,					_UpperCAmelCase )  ->     Dict:
				lowerCamelCase		       =float("""inf""" )
				lowerCamelCase		       =-1
				for i in range(_UpperCAmelCase ):
								if (not vset[i]) and mdist[i] < min_val:
												lowerCamelCase		       =i
												lowerCamelCase		       =mdist[i]
				return min_ind





def    _lowercase    (  _UpperCAmelCase	,					_UpperCAmelCase	,					_UpperCAmelCase )  ->     Optional[int]:
				lowerCamelCase		       =[float("""inf""" ) for _ in range(_UpperCAmelCase )]
				lowerCamelCase		       =[False for _ in range(_UpperCAmelCase )]
				lowerCamelCase		       =0.0

				for _ in range(v - 1 ):
								lowerCamelCase		       =min_dist(_UpperCAmelCase	,					_UpperCAmelCase	,					_UpperCAmelCase )
								lowerCamelCase		       =True

								for i in range(_UpperCAmelCase ):
												if (
												    (not vset[i])
												    and graph[u][i] != float("""inf""" )
												    and mdist[u] + graph[u][i] < mdist[i]
												):
																lowerCamelCase		       =mdist[u] + graph[u][i]

				print_dist(_UpperCAmelCase	,					_UpperCAmelCase )


if __name__ == "__main__":
							UpperCAmelCase__  :	Tuple     =int(input('''Enter number of vertices: ''').strip())
							UpperCAmelCase__  :	str     =int(input('''Enter number of edges: ''').strip())

							UpperCAmelCase__  :	str     =[[float('''inf''') for i in range(V)] for j in range(V)]

							for i in range(V):
														UpperCAmelCase__  :	Dict     =0.0

							for i in range(E):
														print('''\nEdge ''', i + 1)
														UpperCAmelCase__  :	int     =int(input('''Enter source:''').strip())
														UpperCAmelCase__  :	str     =int(input('''Enter destination:''').strip())
														UpperCAmelCase__  :	List[Any]     =float(input('''Enter weight:''').strip())
														UpperCAmelCase__  :	str     =weight

							UpperCAmelCase__  :	Tuple     =int(input('''\nEnter shortest path source:''').strip())
							dijkstra(graph, V, gsrc)





