






from __future__ import annotations







class     UpperCAmelCase_		:



						"""simple docstring"""
						def __init__(       self					,       SCREAMING_SNAKE_CASE_				)       ->   None:
										UpperCamelCase :Tuple										=     value
										UpperCamelCase :Node | None										=     None
										UpperCamelCase :Node | None										=     None







class     UpperCAmelCase_		:



						"""simple docstring"""
						UpperCamelCase_       :      int
						def __init__(       self				)       ->   None:
										UpperCamelCase :List[Any]										=     0
						def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_				)       ->   None:
										if node is None:
														return

										if path_sum == self.target:
														self.paths += 1

										if node.left:
														self.depth_first_search(node.left					,       path_sum + node.left.value				)
										if node.right:
														self.depth_first_search(node.right					,       path_sum + node.right.value				)




						def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_ = None				)       ->   int:
										if node is None:
														return 0
										if target is not None:
														UpperCamelCase :Tuple										=     target

										self.depth_first_search(SCREAMING_SNAKE_CASE_					,       node.value				)
										self.path_sum(node.left				)
										self.path_sum(node.right				)

										return self.paths


if __name__ == "__main__":
	import doctest

	doctest.testmod()













from __future__ import annotations







class     UpperCAmelCase_		:



      """simple docstring"""
      def __init__(       self					,       SCREAMING_SNAKE_CASE_				)       ->   None:
          UpperCamelCase :Tuple										=     value
          UpperCamelCase :Node | None										=     None
          UpperCamelCase :Node | None										=     None







class     UpperCAmelCase_		:



      """simple docstring"""
      UpperCamelCase_       :      int
      def __init__(       self				)       ->   None:
          UpperCamelCase :List[Any]										=     0
      def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_				)       ->   None:
          if node is None:
              return

          if path_sum == self.target:
              self.paths += 1

          if node.left:
              self.depth_first_search(node.left					,       path_sum + node.left.value				)
          if node.right:
              self.depth_first_search(node.right					,       path_sum + node.right.value				)




      def 					UpperCAmelCase		(       self					,       SCREAMING_SNAKE_CASE_					,       SCREAMING_SNAKE_CASE_ = None				)       ->   int:
          if node is None:
              return 0
          if target is not None:
              UpperCamelCase :Tuple										=     target

          self.depth_first_search(SCREAMING_SNAKE_CASE_					,       node.value				)
          self.path_sum(node.left				)
          self.path_sum(node.right				)

          return self.paths


if __name__ == "__main__":
 import doctest

 doctest.testmod()





