





import unittest

from knapsack import greedy_knapsack as kp
class 			UpperCamelCase_		(  unittest.TestCase					):




     def 	lowerCAmelCase			(		self  )		->							List[Any]:
          _snake_case									=				[10, 20, 30, 40, 50, 60]
          _snake_case									=				[2, 4, 6, 8, 10, 12]
          _snake_case									=				100
          self.assertEqual(kp.calc_profit(_lowerCAmelCase				,						_lowerCAmelCase				,						_lowerCAmelCase  )				,						210  )




     def 	lowerCAmelCase			(		self  )		->							List[str]:
          self.assertRaisesRegex(_lowerCAmelCase				,						'max_weight must greater than zero.'  )




     def 	lowerCAmelCase			(		self  )		->							List[str]:
          self.assertRaisesRegex(_lowerCAmelCase				,						'Weight can not be negative.'  )




     def 	lowerCAmelCase			(		self  )		->							Any:
          self.assertRaisesRegex(_lowerCAmelCase				,						'Profit can not be negative.'  )




     def 	lowerCAmelCase			(		self  )		->							int:
          self.assertRaisesRegex(_lowerCAmelCase				,						'max_weight must greater than zero.'  )






     def 	lowerCAmelCase			(		self  )		->							Tuple:
          self.assertRaisesRegex(
              _lowerCAmelCase				,						'The length of profit and weight must be same.'  )


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










import random





def 						lowerCamelCase__     (     UpperCamelCase__			:       list       ,    UpperCamelCase__			:       List[Any]						)			-> tuple:



					'''simple docstring'''




					_snake_case							,     _snake_case							,     _snake_case									=				[], [], []
					for element in data:
										if element < pivot:
															less.append(UpperCamelCase__						)
										elif element > pivot:
															greater.append(UpperCamelCase__						)
										else:
															equal.append(UpperCamelCase__						)
					return less, equal, greater





def 						lowerCamelCase__     (     UpperCamelCase__			:       list       ,    UpperCamelCase__			:       int						)			-> Dict:



					'''simple docstring'''




					if index >= len(UpperCamelCase__						) or index < 0:
										return None

					_snake_case									=				items[random.randint(0       ,    len(UpperCamelCase__						) - 1						)]
					_snake_case									=				0
					_snake_case							,     _snake_case							,     _snake_case									=				_partition(UpperCamelCase__       ,    UpperCamelCase__						)
					_snake_case									=				len(UpperCamelCase__						)
					_snake_case									=				len(UpperCamelCase__						)

					# index is the pivot
					if m <= index < m + count:
										return pivot
					# must be in smaller
					elif m > index:
										return quick_select(UpperCamelCase__       ,    UpperCamelCase__						)
					# must be in larger
					else:
										return quick_select(UpperCamelCase__       ,    index - (m + count)						)



