

class 						_A     :





  '''simple docstring'''



  def __init__(  self    ):

      '''simple docstring'''
      snake_case							:		dict[str, TrieNode]        =		{}  # Mapping from char to TrieNode
      snake_case							:		Optional[int]        =		False





  def    snake_case_       (  self   ,SCREAMING_SNAKE_CASE_    ):

      '''simple docstring'''
      for word in words:
          self.insert(SCREAMING_SNAKE_CASE_    )





  def    snake_case_       (  self   ,SCREAMING_SNAKE_CASE_    ):

      '''simple docstring'''
      snake_case							:		int        =		self
      for char in word:
          if char not in curr.nodes:
              snake_case							:		Optional[Any]        =		TrieNode()
          snake_case							:		Optional[Any]        =		curr.nodes[char]
      snake_case							:		List[Any]        =		True





  def    snake_case_       (  self   ,SCREAMING_SNAKE_CASE_    ):

      '''simple docstring'''
      snake_case							:		Tuple        =		self
      for char in word:
          if char not in curr.nodes:
              return False
          snake_case							:		Any        =		curr.nodes[char]
      return curr.is_leaf





  def    snake_case_       (  self   ,SCREAMING_SNAKE_CASE_    ):

      '''simple docstring'''

      def _delete(SCREAMING_SNAKE_CASE_   ,SCREAMING_SNAKE_CASE_   ,SCREAMING_SNAKE_CASE_    ) -> bool:
          if index == len(SCREAMING_SNAKE_CASE_    ):
              # If word does not exist
              if not curr.is_leaf:
                  return False
              snake_case							:		Tuple        =		False
              return len(curr.nodes    ) == 0
          snake_case							:		Dict        =		word[index]
          snake_case							:		Any        =		curr.nodes.get(SCREAMING_SNAKE_CASE_    )
          # If char not in current trie node
          if not char_node:
              return False
          # Flag to check if node can be deleted
          snake_case							:		List[Any]        =		_delete(SCREAMING_SNAKE_CASE_   ,SCREAMING_SNAKE_CASE_   ,index + 1    )
          if delete_curr:
              del curr.nodes[char]
              return len(curr.nodes    ) == 0
          return delete_curr

      _delete(self   ,SCREAMING_SNAKE_CASE_   ,0    )







def       lowercase					(	__A :					TrieNode ,    __A :					str		)				->			None:





    '''simple docstring'''




    if node.is_leaf:
        print(__A ,    end=""" """		)

    for key, value in node.nodes.items():
        print_words(__A ,    word + key		)







def       lowercase					(	)				->			bool:





    '''simple docstring'''




    snake_case							:		Any        =		"""banana bananas bandana band apple all beast""".split()
    snake_case							:		Dict        =		TrieNode()
    root.insert_many(__A		)
    # print_words(root, "")
    assert all(root.find(__A		) for word in words		)
    assert root.find("""banana"""		)
    assert not root.find("""bandanas"""		)
    assert not root.find("""apps"""		)
    assert root.find("""apple"""		)
    assert root.find("""all"""		)
    root.delete("""all"""		)
    assert not root.find("""all"""		)
    root.delete("""banana"""		)
    assert not root.find("""banana"""		)
    assert root.find("""bananas"""		)
    return True







def       lowercase					(	__A :					str ,    __A :					bool		)				->			None:





    '''simple docstring'''




    print(str(__A		) ,    """works!""" if passes else """doesn't work :("""		)







def       lowercase					(	)				->			None:





    '''simple docstring'''




    assert test_trie()







def       lowercase					(	)				->			None:





    '''simple docstring'''




    print_results("""Testing trie functionality""" ,    test_trie()		)


if __name__ == "__main__":
     main()





'''simple docstring'''
def      UpperCamelCase_				(      A__  ,      A__  ,      A__						):

	def count_of_possible_combinations(A__						) -> int:
		if target < 0:
			return 0
		if target == 0:
			return 1
		return sum(count_of_possible_combinations(target - item						) for item in array						)

	return count_of_possible_combinations(A__						)






def      UpperCamelCase_				(      A__  ,      A__  ,      A__						):

	def count_of_possible_combinations_with_dp_array(
	    A__  ,      A__						) -> int:
		if target < 0:
			return 0
		if target == 0:
			return 1
		if dp_array[target] != -1:
			return dp_array[target]
		a_      				=						sum(
		    count_of_possible_combinations_with_dp_array(target - item  ,      A__						)
		    for item in array						)
		a_      				=						answer
		return answer

	a_      				=						[-1] * (target + 1)
	return count_of_possible_combinations_with_dp_array(A__  ,      A__						)






def      UpperCamelCase_				(      A__  ,      A__  ,      A__						):
	a_      				=						[0] * (target + 1)
	a_      				=						1

	for i in range(1  ,      target + 1						):
		for j in range(A__						):
			if i - array[j] >= 0:
				dp_array[i] += dp_array[i - array[j]]

	return dp_array[target]


if __name__ == "__main__":
		import doctest

		doctest.testmod()
		lowercase__											=3
		lowercase__											=5
		lowercase__											=[1, 2, 5]
		print(combination_sum_iv(n, array, target))
