


'''simple docstring'''






class 	a__       :





							'''simple docstring'''






							def __init__(	self      ,					lowerCamelCase_      ,					lowerCamelCase_     ) ->							Union[str, Any]:
														lowerCAmelCase__      =			name
														lowerCAmelCase__      =			val







							def __str__(	self     ) ->							Optional[int]:
														return F"""{self.__class__.__name__}({self.name}, {self.val})"""







							def __lt__(	self      ,					lowerCamelCase_     ) ->							Tuple:
														return self.val < other.val




class 	a__       :





							'''simple docstring'''






							def __init__(	self      ,					lowerCamelCase_     ) ->							Tuple:
														lowerCAmelCase__      =			{}
														lowerCAmelCase__      =			{}
														lowerCAmelCase__      =			self.build_heap(UpperCamelCase_     )







							def __getitem__(	self      ,					lowerCamelCase_     ) ->							Optional[int]:
														return self.get_value(UpperCamelCase_     )







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							Union[str, Any]:
														return (idx - 1) // 2







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							List[str]:
														return idx * 2 + 1







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							Tuple:
														return idx * 2 + 2







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							Tuple:
														return self.heap_dict[key]







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							Any:
														lowerCAmelCase__      =			len(UpperCamelCase_     ) - 1
														lowerCAmelCase__      =			self.get_parent_idx(UpperCamelCase_     )

														for idx, i in enumerate(UpperCamelCase_     ):
																					lowerCAmelCase__      =			idx
																					lowerCAmelCase__      =			i.val

														for i in range(UpperCamelCase_      ,					-1      ,					-1     ):
																					self.sift_down(UpperCamelCase_      ,					UpperCamelCase_     )
														return array







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_      ,					lowerCamelCase_     ) ->							Any:
														while True:
																					lowerCAmelCase__      =			self.get_left_child_idx(UpperCamelCase_     )  # noqa: E741
																					lowerCAmelCase__      =			self.get_right_child_idx(UpperCamelCase_     )

																					lowerCAmelCase__      =			idx
																					if l < len(UpperCamelCase_     ) and array[l] < array[idx]:
																												lowerCAmelCase__      =			l
																					if r < len(UpperCamelCase_     ) and array[r] < array[smallest]:
																												lowerCAmelCase__      =			r

																					if smallest != idx:
																												lowerCAmelCase__     ,      lowerCAmelCase__      =			array[smallest], array[idx]
																												(
																												    (
																												    lowerCAmelCase__     
																												)     ,      (
																												    lowerCAmelCase__     
																												)     ,           
																												)      =			(
																												    self.idx_of_element[array[smallest]],
																												    self.idx_of_element[array[idx]],
																												)
																												lowerCAmelCase__      =			smallest
																					else:
																												break







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							List[str]:
														lowerCAmelCase__      =			self.get_parent_idx(UpperCamelCase_     )
														while p >= 0 and self.heap[p] > self.heap[idx]:
																					lowerCAmelCase__     ,      lowerCAmelCase__      =			self.heap[idx], self.heap[p]
																					lowerCAmelCase__     ,      lowerCAmelCase__      =			(
																					    self.idx_of_element[self.heap[idx]],
																					    self.idx_of_element[self.heap[p]],
																					)
																					lowerCAmelCase__      =			p
																					lowerCAmelCase__      =			self.get_parent_idx(UpperCamelCase_     )







							def 						__SCREAMING_SNAKE_CASE							(	self     ) ->							Any:
														return self.heap[0]







							def 						__SCREAMING_SNAKE_CASE							(	self     ) ->							Optional[Any]:
														lowerCAmelCase__     ,      lowerCAmelCase__      =			self.heap[-1], self.heap[0]
														lowerCAmelCase__     ,      lowerCAmelCase__      =			(
														    self.idx_of_element[self.heap[-1]],
														    self.idx_of_element[self.heap[0]],
														)

														lowerCAmelCase__      =			self.heap.pop()
														del self.idx_of_element[x]
														self.sift_down(0      ,					self.heap     )
														return x







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_     ) ->							Any:
														self.heap.append(UpperCamelCase_     )
														lowerCAmelCase__      =			len(self.heap     ) - 1
														lowerCAmelCase__      =			node.val
														self.sift_up(len(self.heap     ) - 1     )







							def 						__SCREAMING_SNAKE_CASE							(	self     ) ->							Dict:
														return len(self.heap     ) == 0







							def 						__SCREAMING_SNAKE_CASE							(	self      ,					lowerCamelCase_      ,					lowerCamelCase_     ) ->							Optional[Any]:
														assert (
														    self.heap[self.idx_of_element[node]].val > new_value
														), "newValue must be less that current value"
														lowerCAmelCase__      =			new_value
														lowerCAmelCase__      =			new_value
														self.sift_up(self.idx_of_element[node]     )

__UpperCAmelCase     :   List[Any]					       =							Node('''R''', -1)
__UpperCAmelCase     :   Union[str, Any]					       =							Node('''B''', 6)
__UpperCAmelCase     :   Any					       =							Node('''A''', 3)
__UpperCAmelCase     :   str					       =							Node('''X''', 1)
__UpperCAmelCase     :   Union[str, Any]					       =							Node('''E''', 4)

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

# Generating Min-Heap from array
__UpperCAmelCase     :   int					       =							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()



'''simple docstring'''






from typing import TYPE_CHECKING

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


__UpperCAmelCase					       =							{
    '''configuration_poolformer''': [
        '''POOLFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP''',
        '''PoolFormerConfig''',
        '''PoolFormerOnnxConfig''',
    ]
}

try:
		if not is_vision_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		__UpperCAmelCase					       =							['''PoolFormerFeatureExtractor''']
		__UpperCAmelCase					       =							['''PoolFormerImageProcessor''']

try:
		if not is_torch_available():
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		pass
else:
		__UpperCAmelCase					       =							[
		    '''POOLFORMER_PRETRAINED_MODEL_ARCHIVE_LIST''',
		    '''PoolFormerForImageClassification''',
		    '''PoolFormerModel''',
		    '''PoolFormerPreTrainedModel''',
		]


if TYPE_CHECKING:
		from .configuration_poolformer import (
		    POOLFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
		    PoolFormerConfig,
		    PoolFormerOnnxConfig,
		)

		try:
				if not is_vision_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .feature_extraction_poolformer import PoolFormerFeatureExtractor
				from .image_processing_poolformer import PoolFormerImageProcessor

		try:
				if not is_torch_available():
						raise OptionalDependencyNotAvailable()
		except OptionalDependencyNotAvailable:
				pass
		else:
				from .modeling_poolformer import (
				    POOLFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
				    PoolFormerForImageClassification,
				    PoolFormerModel,
				    PoolFormerPreTrainedModel,
				)


else:
		import sys

		__UpperCAmelCase					       =							_LazyModule(__name__, globals()['''__file__'''], _import_structure)