

import unittest

from knapsack import greedy_knapsack as kp



class SCREAMING_SNAKE_CASE      (    unittest.TestCase					):
  """simple docstring"""






  def 			SCREAMING_SNAKE_CASE       (     self					:       Tuple       )				->      Any:






     """simple docstring"""







     __lowerCAmelCase    :     int          =		[10, 20, 30, 40, 50, 60]
     __lowerCAmelCase    :     List[Any]          =		[2, 4, 6, 8, 10, 12]
     __lowerCAmelCase    :     List[str]          =		1_00
     self.assertEqual(kp.calc_profit(_snake_case			,				_snake_case			,				_snake_case       )			,				2_10       )







  def 			SCREAMING_SNAKE_CASE       (     self					:       Optional[Any]       )				->      Optional[int]:






     """simple docstring"""







     self.assertRaisesRegex(_snake_case			,				"""max_weight must greater than zero."""       )







  def 			SCREAMING_SNAKE_CASE       (     self					:       List[Any]       )				->      Union[str, Any]:






     """simple docstring"""







     self.assertRaisesRegex(_snake_case			,				"""Weight can not be negative."""       )







  def 			SCREAMING_SNAKE_CASE       (     self					:       Union[str, Any]       )				->      Optional[Any]:






     """simple docstring"""







     self.assertRaisesRegex(_snake_case			,				"""Profit can not be negative."""       )







  def 			SCREAMING_SNAKE_CASE       (     self					:       str       )				->      Optional[int]:






     """simple docstring"""







     self.assertRaisesRegex(_snake_case			,				"""max_weight must greater than zero."""       )







  def 			SCREAMING_SNAKE_CASE       (     self					:       Union[str, Any]       )				->      Tuple:






     """simple docstring"""







     self.assertRaisesRegex(
         _snake_case			,				"""The length of profit and weight must be same."""       )


if __name__ == "__main__":
   unittest.main()









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

import os
from collections.abc import Mapping

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







class       a							:



 def __init__(     self				,       _snake_case				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= vertices
  lowerCAmelCase    				= {
      (min(_snake_case     ), max(_snake_case     )): weight for edge, weight in edges.items()
  }



 def    UpperCamelCase__  (     self				,       _snake_case				,       _snake_case     ):







  """simple docstring"""






  self.vertices.add(edge[0]     )
  self.vertices.add(edge[1]     )
  lowerCAmelCase    				= weight



 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  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(_snake_case				,       _snake_case     )

  return subgraph


def 		_SCREAMING_SNAKE_CASE			(_UpperCAmelCase					:    str = "p107_network.txt"			):
 lowerCAmelCase    				= os.path.abspath(os.path.dirname(_UpperCAmelCase			)			)
 lowerCAmelCase    				= os.path.join(_UpperCAmelCase  ,     _UpperCAmelCase			)
 lowerCAmelCase    				= {}
 lowerCAmelCase    				= 42
 lowerCAmelCase    				= 42
 lowerCAmelCase    				= 42

 with open(_UpperCAmelCase			) as f:
  lowerCAmelCase    				= f.read().strip().split('\n'			)

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

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

 lowerCAmelCase    				= Graph(set(range(len(_UpperCAmelCase			)			)			)  ,     _UpperCAmelCase			)

 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() = }''')





