"""simple docstring"""







from __future__ import annotations



def       A__    (	lowercase_     :	int      , lowercase_     :	list[int]      , lowercase_     :	list[int]      , lowercase_     :	int						)  ->							Dict:

   # Base Case
   if counter == 0 or capacity == 0:
      return 0

   # If weight of the nth item is more than Knapsack of capacity,
   #   then this item cannot be included in the optimal solution,
   # else return the maximum of two cases:
   #   (1) nth item included
   #   (2) not included
   if weights[counter - 1] > capacity:
      return knapsack(__a      , __a      , __a      , counter - 1						)
   else:
      __lowerCamelCase    		=					capacity - weights[counter - 1]
      __lowerCamelCase    		=					values[counter - 1] + knapsack(
          __a      , __a      , __a      , counter - 1						)
      __lowerCamelCase    		=					knapsack(__a      , __a      , __a      , counter - 1						)
      return max(__a      , __a						)


if __name__ == "__main__":
     import doctest

     doctest.testmod()











from __future__ import annotations

class 			__snake_case   :







							'''simple docstring'''






							def __init__(				self	,	a_ = 0		):
											a__					   =		value
											a__					   =		None
											a__					   =		None




def       A_   (						__a  :					Node | None			,		__a  :					Node | None		):

				"""simple docstring"""
				if treea is None:
								return treea
				if treea is None:
								return treea

				a__					   =		treea.value + treea.value
				a__					   =		merge_two_binary_trees(treea.left			,		treea.left		)
				a__					   =		merge_two_binary_trees(treea.right			,		treea.right		)
				return treea

def       A_   (						__a  :					Node | None		):

				"""simple docstring"""
				if root:
								print(root.value		)
								print_preorder(root.left		)
								print_preorder(root.right		)


if __name__ == "__main__":
	UpperCAmelCase							=       Node(1)
	UpperCAmelCase							=       Node(2)
	UpperCAmelCase							=       Node(3)
	UpperCAmelCase							=       Node(4)

	UpperCAmelCase							=       Node(2)
	UpperCAmelCase							=       Node(4)
	UpperCAmelCase							=       Node(6)
	UpperCAmelCase							=       Node(9)
	UpperCAmelCase							=       Node(5)

	print("""Tree1 is: """)
	print_preorder(treea)
	print("""Tree2 is: """)
	print_preorder(treea)
	UpperCAmelCase							=       merge_two_binary_trees(treea, treea)
	print("""Merged Tree is: """)
	print_preorder(merged_tree)

