




'''simple docstring'''





from __future__ import annotations

import math
import random
from typing import Any

class        _a    :






     def __init__(			self   )							->      None:
          _snake_case							=				[]
          _snake_case							=				0
          _snake_case							=				0






     def     _lowercase     (			self   )							->      bool:
          return self.head == self.tail






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          self.data.append(_SCREAMING_SNAKE_CASE   )
          _snake_case							=				self.tail + 1






     def     _lowercase     (			self   )							->      Any:
          _snake_case							=				self.data[self.head]
          _snake_case							=				self.head + 1
          return ret






     def     _lowercase     (			self   )							->      int:
          return self.tail - self.head






     def     _lowercase     (			self   )							->      None:
          print(self.data   )
          print("**************"   )
          print(self.data[self.head : self.tail]   )







class        _a    :






     def __init__(			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          _snake_case							=				data
          _snake_case							=				None
          _snake_case							=				None
          _snake_case							=				1






     def     _lowercase     (			self   )							->      Any:
          return self.data






     def     _lowercase     (			self   )							->      MyNode | None:
          return self.left






     def     _lowercase     (			self   )							->      MyNode | None:
          return self.right






     def     _lowercase     (			self   )							->      int:
          return self.height






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          _snake_case							=				data






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          _snake_case							=				node






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          _snake_case							=				node






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          _snake_case							=				height







def      __a     (       _UpperCamelCase:   MyNode | None   )						->			int:

     """simple docstring"""




     if node is None:
          return 0
     return node.get_height()





def      __a     (       _UpperCamelCase:   int ,						_UpperCamelCase:   int   )						->			int:

     """simple docstring"""




     if a > b:
          return a
     return b





def      __a     (       _UpperCamelCase:   MyNode   )						->			MyNode:

     """simple docstring"""




     print("left rotation node:" ,						node.get_data()   )
     _snake_case							=				node.get_left()
     assert ret is not None
     node.set_left(ret.get_right()   )
     ret.set_right(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(node.get_right()   ) ,						get_height(node.get_left()   )   ) + 1
     node.set_height(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(ret.get_right()   ) ,						get_height(ret.get_left()   )   ) + 1
     ret.set_height(_UpperCamelCase   )
     return ret





def      __a     (       _UpperCamelCase:   MyNode   )						->			MyNode:

     """simple docstring"""




     print("right rotation node:" ,						node.get_data()   )
     _snake_case							=				node.get_right()
     assert ret is not None
     node.set_right(ret.get_left()   )
     ret.set_left(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(node.get_right()   ) ,						get_height(node.get_left()   )   ) + 1
     node.set_height(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(ret.get_right()   ) ,						get_height(ret.get_left()   )   ) + 1
     ret.set_height(_UpperCamelCase   )
     return ret





def      __a     (       _UpperCamelCase:   MyNode   )						->			MyNode:

     """simple docstring"""




     _snake_case							=				node.get_left()
     assert left_child is not None
     node.set_left(left_rotation(_UpperCamelCase   )   )
     return right_rotation(_UpperCamelCase   )





def      __a     (       _UpperCamelCase:   MyNode   )						->			MyNode:

     """simple docstring"""




     _snake_case							=				node.get_right()
     assert right_child is not None
     node.set_right(right_rotation(_UpperCamelCase   )   )
     return left_rotation(_UpperCamelCase   )





def      __a     (       _UpperCamelCase:   MyNode | None ,						_UpperCamelCase:   Any   )						->			MyNode | None:

     """simple docstring"""




     if node is None:
          return MyNode(_UpperCamelCase   )
     if data < node.get_data():
          node.set_left(insert_node(node.get_left() ,						_UpperCamelCase   )   )
          if (
              get_height(node.get_left()   ) - get_height(node.get_right()   ) == 2
          ):  # an unbalance detected
               _snake_case							=				node.get_left()
               assert left_child is not None
               if (
                   data < left_child.get_data()
               ):  # new node is the left child of the left child
                    _snake_case							=				right_rotation(_UpperCamelCase   )
               else:
                    _snake_case							=				lr_rotation(_UpperCamelCase   )
     else:
          node.set_right(insert_node(node.get_right() ,						_UpperCamelCase   )   )
          if get_height(node.get_right()   ) - get_height(node.get_left()   ) == 2:
               _snake_case							=				node.get_right()
               assert right_child is not None
               if data < right_child.get_data():
                    _snake_case							=				rl_rotation(_UpperCamelCase   )
               else:
                    _snake_case							=				left_rotation(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(node.get_right()   ) ,						get_height(node.get_left()   )   ) + 1
     node.set_height(_UpperCamelCase   )
     return node





def      __a     (       _UpperCamelCase:   MyNode   )						->			Any:

     """simple docstring"""




     while True:
          _snake_case							=				root.get_right()
          if right_child is None:
               break
          _snake_case							=				right_child
     return root.get_data()





def      __a     (       _UpperCamelCase:   MyNode   )						->			Any:

     """simple docstring"""




     while True:
          _snake_case							=				root.get_left()
          if left_child is None:
               break
          _snake_case							=				left_child
     return root.get_data()





def      __a     (       _UpperCamelCase:   MyNode ,						_UpperCamelCase:   Any   )						->			MyNode | None:

     """simple docstring"""




     _snake_case							=				root.get_left()
     _snake_case							=				root.get_right()
     if root.get_data() == data:
          if left_child is not None and right_child is not None:
               _snake_case							=				get_left_most(_UpperCamelCase   )
               root.set_data(_UpperCamelCase   )
               root.set_right(del_node(_UpperCamelCase ,						_UpperCamelCase   )   )
          elif left_child is not None:
               _snake_case							=				left_child
          elif right_child is not None:
               _snake_case							=				right_child
          else:
               return None
     elif root.get_data() > data:
          if left_child is None:
               print("No such data"   )
               return root
          else:
               root.set_left(del_node(_UpperCamelCase ,						_UpperCamelCase   )   )
     else:  # root.get_data() < data
          if right_child is None:
               return root
          else:
               root.set_right(del_node(_UpperCamelCase ,						_UpperCamelCase   )   )

     if get_height(_UpperCamelCase   ) - get_height(_UpperCamelCase   ) == 2:
          assert right_child is not None
          if get_height(right_child.get_right()   ) > get_height(right_child.get_left()   ):
               _snake_case							=				left_rotation(_UpperCamelCase   )
          else:
               _snake_case							=				rl_rotation(_UpperCamelCase   )
     elif get_height(_UpperCamelCase   ) - get_height(_UpperCamelCase   ) == -2:
          assert left_child is not None
          if get_height(left_child.get_left()   ) > get_height(left_child.get_right()   ):
               _snake_case							=				right_rotation(_UpperCamelCase   )
          else:
               _snake_case							=				lr_rotation(_UpperCamelCase   )
     _snake_case							=				my_max(get_height(root.get_right()   ) ,						get_height(root.get_left()   )   ) + 1
     root.set_height(_UpperCamelCase   )
     return root

class        _a    :






     def __init__(			self   )							->      None:
          _snake_case							=				None






     def     _lowercase     (			self   )							->      int:
          return get_height(self.root   )






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          print("insert:" + str(_SCREAMING_SNAKE_CASE   )   )
          _snake_case							=				insert_node(self.root ,_SCREAMING_SNAKE_CASE   )






     def     _lowercase     (			self ,_SCREAMING_SNAKE_CASE   )							->      None:
          print("delete:" + str(_SCREAMING_SNAKE_CASE   )   )
          if self.root is None:
               print("Tree is empty!"   )
               return
          _snake_case							=				del_node(self.root ,_SCREAMING_SNAKE_CASE   )






     def __str__(			self ,)							->      str:  # a level traversale, gives a more intuitive look on the tree
          _snake_case							=				""
          _snake_case							=				MyQueue()
          q.push(self.root   )
          _snake_case							=				self.get_height()
          if layer == 0:
               return output
          _snake_case							=				0
          while not q.is_empty():
               _snake_case							=				q.pop()
               _snake_case							=				" " * int(math.pow(2 ,layer - 1   )   )
               output += space
               if node is None:
                    output += "*"
                    q.push(_SCREAMING_SNAKE_CASE   )
                    q.push(_SCREAMING_SNAKE_CASE   )
               else:
                    output += str(node.get_data()   )
                    q.push(node.get_left()   )
                    q.push(node.get_right()   )
               output += space
               _snake_case							=				cnt + 1
               for i in range(100   ):
                    if cnt == math.pow(2 ,_SCREAMING_SNAKE_CASE   ) - 1:
                         _snake_case							=				layer - 1
                         if layer == 0:
                              output += "\n*************************************"
                              return output
                         output += "\n"
                         break
          output += "\n*************************************"
          return output







def      __a     (       )						->			None:

     """simple docstring"""




     import doctest

     doctest.testmod()


if __name__ == "__main__":
   _test()
   UpperCamelCase_						:      List[str]       =						AVLtree()
   UpperCamelCase_						:      List[Any]       =						list(range(10))
   random.shuffle(lst)
   for i in lst:
      t.insert(i)
      print(str(t))
   random.shuffle(lst)
   for i in lst:
      t.del_node(i)
      print(str(t))








'''simple docstring'''





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


UpperCamelCase_						:      Union[str, Any]       =						{'''configuration_plbart''': ['''PLBART_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''PLBartConfig''']}

try:
   if not is_sentencepiece_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   UpperCamelCase_						:      Optional[int]       =						['''PLBartTokenizer''']

try:
   if not is_torch_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   UpperCamelCase_						:      int       =						[
       '''PLBART_PRETRAINED_MODEL_ARCHIVE_LIST''',
       '''PLBartForCausalLM''',
       '''PLBartForConditionalGeneration''',
       '''PLBartForSequenceClassification''',
       '''PLBartModel''',
       '''PLBartPreTrainedModel''',
   ]


if TYPE_CHECKING:
   from .configuration_plbart import PLBART_PRETRAINED_CONFIG_ARCHIVE_MAP, PLBartConfig

   try:
      if not is_sentencepiece_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .tokenization_plbart import PLBartTokenizer

   try:
      if not is_torch_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_plbart import (
          PLBART_PRETRAINED_MODEL_ARCHIVE_LIST,
          PLBartForCausalLM,
          PLBartForConditionalGeneration,
          PLBartForSequenceClassification,
          PLBartModel,
          PLBartPreTrainedModel,
      )


else:
   import sys

   UpperCamelCase_						:      str       =						_LazyModule(__name__, globals()['''__file__'''], _import_structure)


