
"""simple docstring"""

from collections.abc import Callable

class __lowerCAmelCase		:





     def __init__(	self	,     __UpperCAmelCase = None      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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

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

      return valid_parent





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self	,     __UpperCAmelCase	,     __UpperCAmelCase      ):

      '''simple docstring'''




      if item not in self.pos_map:
       return
      __UpperCamelCase				  =       self.pos_map[item]
      __UpperCamelCase				  =       [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 						UpperCAmelCase					(	self	,     __UpperCAmelCase      ):

      '''simple docstring'''




      if item not in self.pos_map:
       return
      __UpperCamelCase				  =       self.pos_map[item]
      del self.pos_map[item]
      __UpperCamelCase				  =       self.arr[self.size - 1]
      __UpperCamelCase				  =       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 						UpperCAmelCase					(	self	,     __UpperCAmelCase	,     __UpperCAmelCase      ):

      '''simple docstring'''




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





     def 						UpperCAmelCase					(	self      ):

      '''simple docstring'''




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







     def 						UpperCAmelCase					(	self      ):

      '''simple docstring'''




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






def 							A						(				)      ->	None:
 pass




if __name__ == "__main__":
      import doctest

      doctest.testmod()




"""simple docstring"""






from __future__ import annotations

import numpy as np


def 			UpperCAmelCase__       (				lowerCAmelCase__     :list[float]		) ->    Optional[Any]:
      '''simple docstring'''


      return np.maximum(0					,		lowerCAmelCase__		)


if __name__ == "__main__":
       print(np.array(relu([-1, 0, 5])))  # --> [0, 0, 5]



