
"""simple docstring"""

import math




def      lowercase__    (       lowerCAmelCase					:       int			)			->   bool:






    """simple docstring"""




    return math.sqrt(lowerCAmelCase			) * math.sqrt(lowerCAmelCase			) == num




def      lowercase__    (       lowerCAmelCase					:       int			)			->   bool:






    """simple docstring"""




    UpperCAmelCase          =       0
    UpperCAmelCase          =       n
    while left <= right:
        UpperCAmelCase          =       (left + right) // 2
        if mid**2 == n:
            return True
        elif mid**2 > n:
            UpperCAmelCase          =       mid - 1
        else:
            UpperCAmelCase          =       mid + 1
    return False


if __name__ == "__main__":
   import doctest

   doctest.testmod()





"""simple docstring"""

from __future__ import annotations

from collections.abc import Iterator
class   _UpperCAmelCase				:




      def __init__(				self ,							lowercase_				)    ->       None:
          UpperCAmelCase          =       value
          UpperCAmelCase          =       None
          UpperCAmelCase          =       None

class   _UpperCAmelCase				:




      def __init__(				self ,							lowercase_				)    ->       None:
          UpperCAmelCase          =       tree




      def      a_   (				self ,							lowercase_				)    ->       int:
          if node is None:
              return 0
          return node.value + (
              self.depth_first_search(node.left				) + self.depth_first_search(node.right				)
          )




      def __iter__(				self				)    ->       Iterator[int]:
          yield self.depth_first_search(self.tree				)


if __name__ == "__main__":
   import doctest

   doctest.testmod()



