



from __future__ import annotations
class 				lowercase__       :







       '''simple docstring'''


       def __init__(							self      :  str		,    _UpperCAmelCase      :  int = 0   )			->						Optional[int]:


             '''simple docstring'''




             UpperCAmelCase_      			=							key



       def 					lowercase__    (							self      :  Optional[Any]		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int   )			->						list[str]:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             UpperCAmelCase_      			=							key or self.__key or 1

             # make sure key is an appropriate size
             key %= 255

             return [chr(ord(_UpperCAmelCase   ) ^ key   ) for ch in content]



       def 					lowercase__    (							self      :  Union[str, Any]		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int   )			->						list[str]:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             UpperCAmelCase_      			=							key or self.__key or 1

             # make sure key is an appropriate size
             key %= 255

             return [chr(ord(_UpperCAmelCase   ) ^ key   ) for ch in content]



       def 					lowercase__    (							self      :  Tuple		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int = 0   )			->						str:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             UpperCAmelCase_      			=							key or self.__key or 1

             # make sure key can be any size
             while key > 255:
                   key -= 255

             # This will be returned
             UpperCAmelCase_      			=							""

             for ch in content:
                   ans += chr(ord(_UpperCAmelCase   ) ^ key   )

             return ans



       def 					lowercase__    (							self      :  Optional[int]		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int = 0   )			->						str:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             UpperCAmelCase_      			=							key or self.__key or 1

             # make sure key can be any size
             while key > 255:
                   key -= 255

             # This will be returned
             UpperCAmelCase_      			=							""

             for ch in content:
                   ans += chr(ord(_UpperCAmelCase   ) ^ key   )

             return ans



       def 					lowercase__    (							self      :  Tuple		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int = 0   )			->						bool:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             try:
                   with open(_UpperCAmelCase   ) as fin, open("encrypt.out"		,    "w+"   ) as fout:
                         # actual encrypt-process
                         for line in fin:
                               fout.write(self.encrypt_string(_UpperCAmelCase		,    _UpperCAmelCase   )   )

             except OSError:
                   return False

             return True







       def 					lowercase__    (							self      :  List[str]		,    _UpperCAmelCase      :  str		,    _UpperCAmelCase      :  int   )			->						bool:


             '''simple docstring'''




             assert isinstance(_UpperCAmelCase		,    _UpperCAmelCase   ) and isinstance(_UpperCAmelCase		,    _UpperCAmelCase   )

             try:
                   with open(_UpperCAmelCase   ) as fin, open("decrypt.out"		,    "w+"   ) as fout:
                         # actual encrypt-process
                         for line in fin:
                               fout.write(self.decrypt_string(_UpperCAmelCase		,    _UpperCAmelCase   )   )

             except OSError:
                   return False

             return True


# Tests
# crypt = XORCipher()
# key = 67

# # test encrypt
# print(crypt.encrypt("hallo welt",key))
# # test decrypt
# print(crypt.decrypt(crypt.encrypt("hallo welt",key), key))

# # test encrypt_string
# print(crypt.encrypt_string("hallo welt",key))

# # test decrypt_string
# print(crypt.decrypt_string(crypt.encrypt_string("hallo welt",key),key))

# if (crypt.encrypt_file("test.txt",key)):
#       print("encrypt successful")
# else:
#       print("encrypt unsuccessful")

# if (crypt.decrypt_file("encrypt.out",key)):
#       print("decrypt successful")
# else:
#       print("decrypt unsuccessful")









"""simple docstring"""





from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
@dataclass
class 				lowercase__       :







       '''simple docstring'''


       UpperCamelCase						=					42
       UpperCamelCase						=					None
       UpperCamelCase						=					None



lowerCamelCase       	=						namedtuple("""CoinsDistribResult""", """moves excess""")
def        a__     (				lowerCAmelCase__				):

      if root is None:
            return 0

      # Validation
      def count_nodes(lowerCAmelCase__				) -> int:
            if node is None:
                  return 0

            return count_nodes(node.left				) + count_nodes(node.right				) + 1

      def count_coins(lowerCAmelCase__				) -> int:
            if node is None:
                  return 0

            return count_coins(node.left				) + count_coins(node.right				) + node.data

      if count_nodes(lowerCAmelCase__				) != count_coins(lowerCAmelCase__				):
            raise ValueError("The nodes number should be same as the number of coins"				)

      # Main calculation
      def get_distrib(lowerCAmelCase__				) -> CoinsDistribResult:

            if node is None:
                  return CoinsDistribResult(0     ,      1				)

            UpperCAmelCase_			,   UpperCAmelCase_      			=							get_distrib(node.left				)
            UpperCAmelCase_			,   UpperCAmelCase_      			=							get_distrib(node.right				)

            UpperCAmelCase_      			=							1 - left_distrib_excess
            UpperCAmelCase_      			=							1 - right_distrib_excess

            UpperCAmelCase_      			=							(
                left_distrib_moves
                + right_distrib_moves
                + abs(lowerCAmelCase__				)
                + abs(lowerCAmelCase__				)
            )
            UpperCAmelCase_      			=							node.data - coins_to_left - coins_to_right

            return CoinsDistribResult(lowerCAmelCase__     ,      lowerCAmelCase__				)

      return get_distrib(lowerCAmelCase__				)[0]


if __name__ == "__main__":
  import doctest

  doctest.testmod()




