



"""simple docstring"""
from __future__ import annotations

import os
from collections.abc import Mapping

__SCREAMING_SNAKE_CASE  :						str    							=      tuple[int, int]


class 							lowerCamelCase_:





					'''simple docstring'''



					def __init__(    self				,       lowerCamelCase__				,       lowerCamelCase__   ):
									_lowerCamelCase        =				vertices
									_lowerCamelCase        =				{
									    (min(lowerCamelCase__   ), max(lowerCamelCase__   )): weight for edge, weight in edges.items()
									}

					def 			snake_case__      (    self				,       lowerCamelCase__				,       lowerCamelCase__   ):
									self.vertices.add(edge[0]   )
									self.vertices.add(edge[1]   )
									_lowerCamelCase        =				weight





					def 			snake_case__      (    self   ):
									_lowerCamelCase        =				Graph({min(self.vertices   )}				,       {}   )
									_lowerCamelCase        =				42
									_lowerCamelCase        =				42
									_lowerCamelCase        =				42
									_lowerCamelCase        =				42

									while len(subgraph.vertices   ) < len(self.vertices   ):
													_lowerCamelCase        =				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:
																									_lowerCamelCase        =				edge
																									_lowerCamelCase        =				weight

													subgraph.add_edge(lowerCamelCase__				,       lowerCamelCase__   )

									return subgraph



def        lowerCAmelCase_(   lowercase_     :							str = "p107_network.txt"							)	->       int:
				_lowerCamelCase        =				os.path.abspath(os.path.dirname(lowercase_							)							)
				_lowerCamelCase        =				os.path.join(lowercase_						,   lowercase_							)
				_lowerCamelCase        =				{}
				_lowerCamelCase        =				42
				_lowerCamelCase        =				42
				_lowerCamelCase        =				42

				with open(lowercase_							) as f:
								_lowerCamelCase        =				f.read().strip().split('''\n'''							)

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

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

				_lowerCamelCase        =				Graph(set(range(len(lowercase_							)							)							)						,   lowercase_							)

				_lowerCamelCase        =				graph.prims_algorithm()

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

				return initial_total - optimal_total


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





"""simple docstring"""
import warnings

from .generation import TFGenerationMixin


class 							lowerCamelCase_(   A__    ):





					'''simple docstring'''



					warnings.warn(
					    'Importing `TFGenerationMixin` from `src/transformers/generation_tf_utils.py` is deprecated and will '
					    'be removed in Transformers v5. Import as `from transformers import TFGenerationMixin` instead.',				A__,				)
