






class   A__ :







    """simple docstring"""

    def __init__(	self      , __snake_case      , __snake_case   ):
         snake_case					=    name
         snake_case					=    val
    def __str__(	self   ):
         return F'''{self.__class__.__name__}({self.name}, {self.val})'''




    def __lt__(	self      , __snake_case   ):
         return self.val < other.val






class   A__ :







    """simple docstring"""

    def __init__(	self      , __snake_case   ):
         snake_case					=    {}
         snake_case					=    {}
         snake_case					=    self.build_heap(__snake_case   )
    def __getitem__(	self      , __snake_case   ):
         return self.get_value(__snake_case   )
    def 		a_      (	self      , __snake_case   ):
         return (idx - 1) // 2
    def 		a_      (	self      , __snake_case   ):
         return idx * 2 + 1
    def 		a_      (	self      , __snake_case   ):
         return idx * 2 + 2
    def 		a_      (	self      , __snake_case   ):
         return self.heap_dict[key]
    def 		a_      (	self      , __snake_case   ):
         snake_case					=    len(__snake_case   ) - 1
         snake_case					=    self.get_parent_idx(__snake_case   )

         for idx, i in enumerate(__snake_case   ):
              snake_case					=    idx
              snake_case					=    i.val

         for i in range(__snake_case      , -1      , -1   ):
              self.sift_down(__snake_case      , __snake_case   )
         return array
    def 		a_      (	self      , __snake_case      , __snake_case   ):
         while True:
              snake_case					=    self.get_left_child_idx(__snake_case   )  # noqa: E741
              snake_case					=    self.get_right_child_idx(__snake_case   )

              snake_case					=    idx
              if l < len(__snake_case   ) and array[l] < array[idx]:
                   snake_case					=    l
              if r < len(__snake_case   ) and array[r] < array[smallest]:
                   snake_case					=    r

              if smallest != idx:
                   snake_case			,  snake_case					=    array[smallest], array[idx]
                   (
                       (
                       snake_case  
                   )			,  (
                       snake_case  
                   )			,    
                   )					=    (
                       self.idx_of_element[array[smallest]],
                       self.idx_of_element[array[idx]],
                   )
                   snake_case					=    smallest
              else:
                   break
    def 		a_      (	self      , __snake_case   ):
         snake_case					=    self.get_parent_idx(__snake_case   )
         while p >= 0 and self.heap[p] > self.heap[idx]:
              snake_case			,  snake_case					=    self.heap[idx], self.heap[p]
              snake_case			,  snake_case					=    (
                  self.idx_of_element[self.heap[idx]],
                  self.idx_of_element[self.heap[p]],
              )
              snake_case					=    p
              snake_case					=    self.get_parent_idx(__snake_case   )
    def 		a_      (	self   ):
         return self.heap[0]
    def 		a_      (	self   ):
         snake_case			,  snake_case					=    self.heap[-1], self.heap[0]
         snake_case			,  snake_case					=    (
             self.idx_of_element[self.heap[-1]],
             self.idx_of_element[self.heap[0]],
         )

         snake_case					=    self.heap.pop()
         del self.idx_of_element[x]
         self.sift_down(0      , self.heap   )
         return x
    def 		a_      (	self      , __snake_case   ):
         self.heap.append(__snake_case   )
         snake_case					=    len(self.heap   ) - 1
         snake_case					=    node.val
         self.sift_up(len(self.heap   ) - 1   )
    def 		a_      (	self   ):
         return len(self.heap   ) == 0




    def 		a_      (	self      , __snake_case      , __snake_case   ):
         assert (
             self.heap[self.idx_of_element[node]].val > new_value
         ), "newValue must be less that current value"
         snake_case					=    new_value
         snake_case					=    new_value
         self.sift_up(self.idx_of_element[node]   )






_SCREAMING_SNAKE_CASE      :			List[Any]      				=   Node("R", -1)
_SCREAMING_SNAKE_CASE      :			Dict      				=   Node("B", 6)
_SCREAMING_SNAKE_CASE      :			Tuple      				=   Node("A", 3)
_SCREAMING_SNAKE_CASE      :			Optional[int]      				=   Node("X", 1)
_SCREAMING_SNAKE_CASE      :			Union[str, Any]      				=   Node("E", 4)

# Use one of these two ways to generate Min-Heap

# Generating Min-Heap from array
_SCREAMING_SNAKE_CASE      :			Optional[Any]      				=   MinHeap([r, b, a, x, e])

# Generating Min-Heap by Insert method
# myMinHeap.insert(a)
# myMinHeap.insert(b)
# myMinHeap.insert(x)
# myMinHeap.insert(r)
# myMinHeap.insert(e)

# Before
print("Min Heap - before decrease key")
for i in my_min_heap.heap:
 print(i)

print("Min Heap - After decrease key of node [B -> -17]")
my_min_heap.decrease_key(b, -17)

# After
for i in my_min_heap.heap:
 print(i)

if __name__ == "__main__":
 import doctest

 doctest.testmod()








from typing import TYPE_CHECKING

from ....utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


_SCREAMING_SNAKE_CASE      :			Dict      				=   {"configuration_van": ["VAN_PRETRAINED_CONFIG_ARCHIVE_MAP", "VanConfig"]}


try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 _SCREAMING_SNAKE_CASE      :			Dict      				=   [
     "VAN_PRETRAINED_MODEL_ARCHIVE_LIST",
     "VanForImageClassification",
     "VanModel",
     "VanPreTrainedModel",
 ]

if TYPE_CHECKING:
 from .configuration_van import VAN_PRETRAINED_CONFIG_ARCHIVE_MAP, VanConfig

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_van import (
      VAN_PRETRAINED_MODEL_ARCHIVE_LIST,
      VanForImageClassification,
      VanModel,
      VanPreTrainedModel,
  )

else:
 import sys

 _SCREAMING_SNAKE_CASE      :			str      				=   _LazyModule(__name__, globals()["__file__"], _import_structure)




