
"""simple docstring"""


import math







class  lowerCAmelCase_ :



						'''simple docstring'''


						def __init__(       self   :					Union[str, Any]     ,A_   :					Optional[int]=0					)   ->      List[str]:  # a graph with Node 0,1,...,N-1
							A        =      n
							A        =      [
							    [math.inf for j in range(0     ,A_					)] for i in range(0     ,A_					)
							]  # adjacency matrix for weight
							A        =      [
							    [math.inf for j in range(0     ,A_					)] for i in range(0     ,A_					)
							]  # dp[i][j] stores minimum distance from i to j


						def   _SCREAMING_SNAKE_CASE					(       self   :					Optional[int]     ,A_   :					List[str]     ,A_   :					Any     ,A_   :					Any					)   ->      Optional[Any]:
							A        =      w


						def   _SCREAMING_SNAKE_CASE					(       self   :					Tuple					)   ->      Union[str, Any]:
							for k in range(0     ,self.n					):
								for i in range(0     ,self.n					):
									for j in range(0     ,self.n					):
										A        =      min(self.dp[i][j]     ,self.dp[i][k] + self.dp[k][j]					)




						def   _SCREAMING_SNAKE_CASE					(       self   :					Union[str, Any]     ,A_   :					List[Any]     ,A_   :					Any					)   ->      Optional[Any]:
							return self.dp[u][v]


if __name__ == "__main__":
		_lowercase							      = Graph(5)
		graph.add_edge(0, 2, 9)
		graph.add_edge(0, 4, 10)
		graph.add_edge(1, 3, 5)
		graph.add_edge(2, 3, 7)
		graph.add_edge(3, 0, 10)
		graph.add_edge(3, 1, 2)
		graph.add_edge(3, 2, 1)
		graph.add_edge(3, 4, 6)
		graph.add_edge(4, 1, 3)
		graph.add_edge(4, 2, 4)
		graph.add_edge(4, 3, 9)
		graph.floyd_warshall()
		graph.show_min(1, 4)
		graph.show_min(0, 3)






from dataclasses import dataclass, field
from typing import Tuple

from ..utils import cached_property, is_torch_available, is_torch_tpu_available, logging, requires_backends
from .benchmark_args_utils import BenchmarkArguments


if is_torch_available():
    import torch

if is_torch_tpu_available(check_device=False):
    import torch_xla.core.xla_model as xm


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





@dataclass
class  A__    (							__UpperCAmelCase	):




   """simple docstring"""



   __A   :				Optional[Any]         =  [
       '''no_inference''',
       '''no_cuda''',
       '''no_tpu''',
       '''no_speed''',
       '''no_memory''',
       '''no_env_print''',
       '''no_multi_process''',
   ]

   def __init__(					self					,  **lowercase)			->						Tuple:







          '''simple docstring'''

          for deprecated_arg in self.deprecated_args:
                 if deprecated_arg in kwargs:
                        a__						:	Union[str, Any] =				deprecated_arg[3:]
                        setattr(self					,  lowercase					,  not kwargs.pop(lowercase))
                        logger.warning(
                            F'{deprecated_arg} is depreciated. Please use --no_{positive_arg} or'
                            F' {positive_arg}={kwargs[positive_arg]}')

          a__						:	Union[str, Any] =				kwargs.pop('torchscript'					,  self.torchscript)
          a__						:	Tuple =				kwargs.pop('torch_xla_tpu_print_metrics'					,  self.torch_xla_tpu_print_metrics)
          a__						:	Tuple =				kwargs.pop('fp16_opt_level'					,  self.fpaa_opt_level)
          super().__init__(**lowercase)

   __A   :				bool         =  field(default=__UpperCAmelCase ,  metadata={'''help''': '''Trace the models using torchscript'''}	)
   __A   :				bool         =  field(default=__UpperCAmelCase ,  metadata={'''help''': '''Print Xla/PyTorch tpu metrics'''}	)
   __A   :				str         =  field(
       default='''O1''' ,  metadata={
           '''help''': (
               '''For fp16: Apex AMP optimization level selected in [\'O0\', \'O1\', \'O2\', and \'O3\']. '''
               '''See details at https://nvidia.github.io/apex/amp.html'''
           )
       } ,  )

   @cached_property
   def 							__lowercase		(					self)			->						Tuple["torch.device", int]:







          '''simple docstring'''

          requires_backends(self					,  ['torch'])
          logger.info('PyTorch: setting up devices')
          if not self.cuda:
                 a__						:	List[str] =				torch.device('cpu')
                 a__						:	Optional[Any] =				0
          elif is_torch_tpu_available():
                 a__						:	List[str] =				xm.xla_device()
                 a__						:	Union[str, Any] =				0
          else:
                 a__						:	List[Any] =				torch.device('cuda' if torch.cuda.is_available() else 'cpu')
                 a__						:	Optional[int] =				torch.cuda.device_count()
          return device, n_gpu

   @property
   def 							__lowercase		(					self)			->						List[str]:







          '''simple docstring'''

          return is_torch_tpu_available() and self.tpu

   @property
   def 							__lowercase		(					self)			->						int:







          '''simple docstring'''

          requires_backends(self					,  ['torch'])
          # TODO(PVP): currently only single GPU is supported
          return torch.cuda.current_device()

   @property
   def 							__lowercase		(					self)			->						"torch.device":







          '''simple docstring'''

          requires_backends(self					,  ['torch'])
          return self._setup_devices[0]

   @property
   def 							__lowercase		(					self)			->						Dict:







          '''simple docstring'''

          requires_backends(self					,  ['torch'])
          return self._setup_devices[1]

   @property
   def 							__lowercase		(					self)			->						Optional[int]:







          '''simple docstring'''

          return self.n_gpu > 0


