"""simple docstring"""






from collections.abc import Callable





class  _A						:

      def __init__(						self		,       __lowerCAmelCase = None						):







            """simple docstring"""



            lowercase														=	[]
            # Stores indexes of each item for supporting updates and deletion.
            lowercase														=	{}
            # Stores current size of heap.
            lowercase														=	0
            # Stores function used to evaluate the score of an item on which basis ordering
            # will be done.
            lowercase														=	key or (lambda __lowerCAmelCase						: x)

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            return int((i - 1) / 2						) if i > 0 else None

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	int(2 * i + 1						)
            return left if 0 < left < self.size else None

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	int(2 * i + 2						)
            return right if 0 < right < self.size else None

      def 				A__       (						self		,       __lowerCAmelCase		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase							,							lowercase														=	(
                self.pos_map[self.arr[j][0]],
                self.pos_map[self.arr[i][0]],
            )
            # Then swap the items in the list.
            lowercase							,							lowercase														=	self.arr[j], self.arr[i]

      def 				A__       (						self		,       __lowerCAmelCase		,       __lowerCAmelCase						):







            """simple docstring"""



            return self.arr[i][1] < self.arr[j][1]

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	self._left(__lowerCAmelCase						)
            lowercase														=	self._right(__lowerCAmelCase						)
            lowercase														=	i

            if left is not None and not self._cmp(__lowerCAmelCase		,       __lowerCAmelCase						):
                  lowercase														=	left
            if right is not None and not self._cmp(__lowerCAmelCase		,       __lowerCAmelCase						):
                  lowercase														=	right

            return valid_parent

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	self._parent(__lowerCAmelCase						)
            while parent is not None and not self._cmp(__lowerCAmelCase		,       __lowerCAmelCase						):
                  self._swap(__lowerCAmelCase		,       __lowerCAmelCase						)
                  lowercase							,							lowercase														=	parent, self._parent(__lowerCAmelCase						)

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	self._get_valid_parent(__lowerCAmelCase						)
            while valid_parent != index:
                  self._swap(__lowerCAmelCase		,       __lowerCAmelCase						)
                  lowercase							,							lowercase														=	valid_parent, self._get_valid_parent(__lowerCAmelCase						)

      def 				A__       (						self		,       __lowerCAmelCase		,       __lowerCAmelCase						):







            """simple docstring"""



            if item not in self.pos_map:
                  return
            lowercase														=	self.pos_map[item]
            lowercase														=	[item, self.key(__lowerCAmelCase						)]
            # Make sure heap is right in both up and down direction.
            # Ideally only one of them will make any change.
            self._heapify_up(__lowerCAmelCase						)
            self._heapify_down(__lowerCAmelCase						)

      def 				A__       (						self		,       __lowerCAmelCase						):







            """simple docstring"""



            if item not in self.pos_map:
                  return
            lowercase														=	self.pos_map[item]
            del self.pos_map[item]
            lowercase														=	self.arr[self.size - 1]
            lowercase														=	index
            self.size -= 1
            # Make sure heap is right in both up and down direction. Ideally only one
            # of them will make any change- so no performance loss in calling both.
            if self.size > index:
                  self._heapify_up(__lowerCAmelCase						)
                  self._heapify_down(__lowerCAmelCase						)

      def 				A__       (						self		,       __lowerCAmelCase		,       __lowerCAmelCase						):







            """simple docstring"""



            lowercase														=	len(self.arr						)
            if arr_len == self.size:
                  self.arr.append([item, self.key(__lowerCAmelCase						)]						)
            else:
                  lowercase														=	[item, self.key(__lowerCAmelCase						)]
            lowercase														=	self.size
            self.size += 1
            self._heapify_up(self.size - 1						)

      def 				A__       (						self						):







            """simple docstring"""



            return self.arr[0] if self.size else None







      def 				A__       (						self						):







            """simple docstring"""



            lowercase														=	self.get_top()
            if top_item_tuple:
                  self.delete_item(top_item_tuple[0]						)
            return top_item_tuple






def 			UpperCAmelCase__       (				) ->    None:
      '''simple docstring'''




if __name__ == "__main__":
       import doctest

       doctest.testmod()




"""simple docstring"""






from ..utils import DummyObject, requires_backends





class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   str							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)






class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   List[Any]							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)






class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   Optional[Any]							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)






class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   int							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)






class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   List[str]							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)






class  _A						(       metaclass=lowerCAmelCase	):
      snake_case__			:   Optional[Any]							  =	['torch', 'transformers', 'onnx']

      def __init__(						self		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(self		,       ["""torch""", """transformers""", """onnx"""]						)

      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)







      @classmethod
      def 				A__       (						cls		,       *__lowerCAmelCase		,       **__lowerCAmelCase						):







            """simple docstring"""



            requires_backends(cls		,       ["""torch""", """transformers""", """onnx"""]						)



