






from __future__ import annotations

import os
from collections.abc import Mapping

__UpperCamelCase					:		Optional[Any]	  =						tuple[int, int]


class   __SCREAMING_SNAKE_CASE:
							def __init__(     self:      List[Any]       ,	UpperCamelCase:      set[int]       ,	UpperCamelCase:      Mapping[EdgeT, int]						)		->		None:
											snake_case__									=     vertices
											snake_case__									=     {
											    (min(UpperCamelCase						), max(UpperCamelCase						)): weight for edge, weight in edges.items()
											}
							def lowerCAmelCase_ (     self:      Tuple       ,	UpperCamelCase:      EdgeT       ,	UpperCamelCase:      int						)		->		None:
											self.vertices.add(edge[0]						)
											self.vertices.add(edge[1]						)
											snake_case__									=     weight


							def lowerCAmelCase_ (     self:      Optional[int]						)		->		Graph:
											snake_case__									=     Graph({min(self.vertices						)}       ,	{}						)
											snake_case__									=     42
											snake_case__									=     42
											snake_case__									=     42
											snake_case__									=     42

											while len(subgraph.vertices						) < len(self.vertices						):
															snake_case__									=     max(self.edges.values()						) + 1
															for edge, weight in self.edges.items():
																			if (edge[0] in subgraph.vertices) ^ (edge[1] in subgraph.vertices):
																							if weight < min_weight:
																											snake_case__									=     edge
																											snake_case__									=     weight

															subgraph.add_edge(UpperCamelCase       ,	UpperCamelCase						)

											return subgraph


def      a_ (      _A = "p107_network.txt"  )			->			int:







				"""simple docstring"""
				snake_case__									=     os.path.abspath(os.path.dirname(_A  )  )
				snake_case__									=     os.path.join(_A      ,   _A  )
				snake_case__									=     {}
				snake_case__									=     42
				snake_case__									=     42
				snake_case__									=     42

				with open(_A  ) as f:
								snake_case__									=     f.read().strip().split('\n'  )

				snake_case__									=     [line.split(','  ) for line in data]

				for edgea in range(1      ,   len(_A  )  ):
								for edgea in range(_A  ):
												if adjaceny_matrix[edgea][edgea] != "-":
																snake_case__									=     int(adjaceny_matrix[edgea][edgea]  )

				snake_case__									=     Graph(set(range(len(_A  )  )  )      ,   _A  )

				snake_case__									=     graph.prims_algorithm()

				snake_case__									=     sum(graph.edges.values()  )
				snake_case__									=     sum(subgraph.edges.values()  )

				return initial_total - optimal_total


if __name__ == "__main__":
							print(f'''{solution() = }''')












from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available


__UpperCamelCase					:		str	  =						{}

try:
							if not is_sentencepiece_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							__UpperCamelCase					:		Dict	  =						["""BartphoTokenizer"""]

if TYPE_CHECKING:
							try:
														if not is_sentencepiece_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .tokenization_bartpho import BartphoTokenizer

else:
							import sys

							__UpperCamelCase					:		Any	  =						_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)




