

from __future__ import annotations

import unittest
from collections.abc import Iterator



class        _UpperCAmelCase :
  '''simple docstring'''







  def __init__( self	: Dict		,						UpperCamelCase__	: Union[str, Any]		,						UpperCamelCase__	: Any ):
        A    =				label
        A    =				parent
        A    =				None
        A    =				None



class        _UpperCAmelCase :
  '''simple docstring'''







  def __init__( self	: Optional[Any] ):
        A    =				None







  def 	UpperCamelCase       ( self	: str ):
        A    =				None







  def 	UpperCamelCase       ( self	: Tuple ):
        return self.root is None







  def 	UpperCamelCase       ( self	: Dict		,						UpperCamelCase__	: int ):
        A    =				self._put(self.root		,						a_ )







  def 	UpperCamelCase       ( self	: int		,						UpperCamelCase__	: Any		,						UpperCamelCase__	: int		,						UpperCamelCase__	: Optional[Any] = None ):
        if node is None:
              A    =				Node(a_		,						a_ )
        else:
              if label < node.label:
                    A    =				self._put(node.left		,						a_		,						a_ )
              elif label > node.label:
                    A    =				self._put(node.right		,						a_		,						a_ )
              else:
                    A    =				f'''Node with label {label} already exists'''
                    raise Exception(a_ )

        return node







  def 	UpperCamelCase       ( self	: str		,						UpperCamelCase__	: Union[str, Any] ):
        return self._search(self.root		,						a_ )







  def 	UpperCamelCase       ( self	: Optional[int]		,						UpperCamelCase__	: int		,						UpperCamelCase__	: Dict ):
        if node is None:
              A    =				f'''Node with label {label} does not exist'''
              raise Exception(a_ )
        else:
              if label < node.label:
                    A    =				self._search(node.left		,						a_ )
              elif label > node.label:
                    A    =				self._search(node.right		,						a_ )

        return node







  def 	UpperCamelCase       ( self	: Dict		,						UpperCamelCase__	: Dict ):
        A    =				self.search(a_ )
        if node.right and node.left:
              A    =				self._get_lowest_node(node.right )
              A    =				node.left
              A    =				node.right
              A    =				lowest_node
              if node.right:
                    A    =				lowest_node
              self._reassign_nodes(a_		,						a_ )
        elif not node.right and node.left:
              self._reassign_nodes(a_		,						node.left )
        elif node.right and not node.left:
              self._reassign_nodes(a_		,						node.right )
        else:
              self._reassign_nodes(a_		,						a_ )







  def 	UpperCamelCase       ( self	: Optional[int]		,						UpperCamelCase__	: Any		,						UpperCamelCase__	: Optional[Any] ):
        if new_children:
              A    =				node.parent

        if node.parent:
              if node.parent.right == node:
                    A    =				new_children
              else:
                    A    =				new_children
        else:
              A    =				new_children







  def 	UpperCamelCase       ( self	: Dict		,						UpperCamelCase__	: Any ):
        if node.left:
              A    =				self._get_lowest_node(node.left )
        else:
              A    =				node
              self._reassign_nodes(a_		,						node.right )

        return lowest_node







  def 	UpperCamelCase       ( self	: Optional[int]		,						UpperCamelCase__	: Optional[int] ):
        try:
              self.search(a_ )
              return True
        except Exception:
              return False







  def 	UpperCamelCase       ( self	: Optional[Any] ):
        if self.root is None:
              raise Exception('Binary search tree is empty' )

        A    =				self.root
        while node.right is not None:
              A    =				node.right

        return node.label







  def 	UpperCamelCase       ( self	: List[Any] ):
        if self.root is None:
              raise Exception('Binary search tree is empty' )

        A    =				self.root
        while node.left is not None:
              A    =				node.left

        return node.label







  def 	UpperCamelCase       ( self	: Tuple ):
        return self._inorder_traversal(self.root )







  def 	UpperCamelCase       ( self	: Optional[Any]		,						UpperCamelCase__	: str ):
        if node is not None:
              yield from self._inorder_traversal(node.left )
              yield node
              yield from self._inorder_traversal(node.right )







  def 	UpperCamelCase       ( self	: Union[str, Any] ):
        return self._preorder_traversal(self.root )







  def 	UpperCamelCase       ( self	: int		,						UpperCamelCase__	: Optional[int] ):
        if node is not None:
              yield node
              yield from self._preorder_traversal(node.left )
              yield from self._preorder_traversal(node.right )



class        _UpperCAmelCase (   unittest.TestCase			):
  '''simple docstring'''







  @staticmethod
  def 	UpperCamelCase       ( ):
        A    =				BinarySearchTree()
        t.put(8 )
        t.put(3 )
        t.put(6 )
        t.put(1 )
        t.put(10 )
        t.put(14 )
        t.put(13 )
        t.put(4 )
        t.put(7 )
        t.put(5 )

        return t







  def 	UpperCamelCase       ( self	: Dict ):
        A    =				BinarySearchTree()
        assert t.is_empty()

        t.put(8 )
        assert t.root is not None
        assert t.root.parent is None
        assert t.root.label == 8

        t.put(10 )
        assert t.root.right is not None
        assert t.root.right.parent == t.root
        assert t.root.right.label == 10

        t.put(3 )
        assert t.root.left is not None
        assert t.root.left.parent == t.root
        assert t.root.left.label == 3

        t.put(6 )
        assert t.root.left.right is not None
        assert t.root.left.right.parent == t.root.left
        assert t.root.left.right.label == 6

        t.put(1 )
        assert t.root.left.left is not None
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.left.label == 1

        with self.assertRaises(a_ ):  # noqa: B017
              t.put(1 )







  def 	UpperCamelCase       ( self	: Optional[int] ):
        A    =				self._get_binary_search_tree()

        A    =				t.search(6 )
        assert node.label == 6

        A    =				t.search(13 )
        assert node.label == 13

        with self.assertRaises(a_ ):  # noqa: B017
              t.search(2 )







  def 	UpperCamelCase       ( self	: Dict ):
        A    =				self._get_binary_search_tree()

        t.remove(13 )
        assert t.root is not None
        assert t.root.right is not None
        assert t.root.right.right is not None
        assert t.root.right.right.right is None
        assert t.root.right.right.left is None

        t.remove(7 )
        assert t.root.left is not None
        assert t.root.left.right is not None
        assert t.root.left.right.left is not None
        assert t.root.left.right.right is None
        assert t.root.left.right.left.label == 4

        t.remove(6 )
        assert t.root.left.left is not None
        assert t.root.left.right.right is not None
        assert t.root.left.left.label == 1
        assert t.root.left.right.label == 4
        assert t.root.left.right.right.label == 5
        assert t.root.left.right.left is None
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.parent == t.root.left

        t.remove(3 )
        assert t.root is not None
        assert t.root.left.label == 4
        assert t.root.left.right.label == 5
        assert t.root.left.left.label == 1
        assert t.root.left.parent == t.root
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.parent == t.root.left

        t.remove(4 )
        assert t.root.left is not None
        assert t.root.left.left is not None
        assert t.root.left.label == 5
        assert t.root.left.right is None
        assert t.root.left.left.label == 1
        assert t.root.left.parent == t.root
        assert t.root.left.left.parent == t.root.left







  def 	UpperCamelCase       ( self	: Any ):
        A    =				self._get_binary_search_tree()

        t.remove(3 )
        assert t.root is not None
        assert t.root.left is not None
        assert t.root.left.left is not None
        assert t.root.left.right is not None
        assert t.root.left.right.left is not None
        assert t.root.left.right.right is not None
        assert t.root.left.label == 4
        assert t.root.left.right.label == 6
        assert t.root.left.left.label == 1
        assert t.root.left.right.right.label == 7
        assert t.root.left.right.left.label == 5
        assert t.root.left.parent == t.root
        assert t.root.left.right.parent == t.root.left
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.left.parent == t.root.left.right







  def 	UpperCamelCase       ( self	: Tuple ):
        A    =				self._get_binary_search_tree()
        t.empty()
        assert t.root is None







  def 	UpperCamelCase       ( self	: List[str] ):
        A    =				self._get_binary_search_tree()
        assert not t.is_empty()

        t.empty()
        assert t.is_empty()







  def 	UpperCamelCase       ( self	: Union[str, Any] ):
        A    =				self._get_binary_search_tree()

        assert t.exists(6 )
        assert not t.exists(-1 )







  def 	UpperCamelCase       ( self	: Tuple ):
        A    =				self._get_binary_search_tree()

        assert t.get_max_label() == 14

        t.empty()
        with self.assertRaises(a_ ):  # noqa: B017
              t.get_max_label()







  def 	UpperCamelCase       ( self	: Union[str, Any] ):
        A    =				self._get_binary_search_tree()

        assert t.get_min_label() == 1

        t.empty()
        with self.assertRaises(a_ ):  # noqa: B017
              t.get_min_label()







  def 	UpperCamelCase       ( self	: List[str] ):
        A    =				self._get_binary_search_tree()

        A    =				[i.label for i in t.inorder_traversal()]
        assert inorder_traversal_nodes == [1, 3, 4, 5, 6, 7, 8, 10, 13, 14]







  def 	UpperCamelCase       ( self	: List[Any] ):
        A    =				self._get_binary_search_tree()

        A    =				[i.label for i in t.preorder_traversal()]
        assert preorder_traversal_nodes == [8, 3, 1, 6, 4, 5, 7, 10, 14, 13]


def 			__UpperCamelCase    ()     ->  Any:
      A    =				BinarySearchTree()
      t.put(8     )
      t.put(3     )
      t.put(6     )
      t.put(1     )
      t.put(10     )
      t.put(14     )
      t.put(13     )
      t.put(4     )
      t.put(7     )
      t.put(5     )

      print(
          '\n            8\n           / \\\n          3   10\n         / \\    \\\n        1   6    14\n           / \\   /\n          4   7 13\n           \\\n            5\n        '     )

      print('Label 6 exists:',    t.exists(6     )     )
      print('Label 13 exists:',    t.exists(13     )     )
      print('Label -1 exists:',    t.exists(-1     )     )
      print('Label 12 exists:',    t.exists(12     )     )

      # Prints all the elements of the list in inorder traversal
      A    =				[i.label for i in t.inorder_traversal()]
      print('Inorder traversal:',    UpperCamelCase__     )

      # Prints all the elements of the list in preorder traversal
      A    =				[i.label for i in t.preorder_traversal()]
      print('Preorder traversal:',    UpperCamelCase__     )

      print('Max. label:',    t.get_max_label()     )
      print('Min. label:',    t.get_min_label()     )

      # Delete elements
      print('\nDeleting elements 13, 10, 8, 3, 6, 14'     )
      print(
          '\n          4\n         / \\\n        1   7\n             \\\n              5\n        '     )
      t.remove(13     )
      t.remove(10     )
      t.remove(8     )
      t.remove(3     )
      t.remove(6     )
      t.remove(14     )

      # Prints all the elements of the list in inorder traversal after delete
      A    =				[i.label for i in t.inorder_traversal()]
      print('Inorder traversal after delete:',    UpperCamelCase__     )

      # Prints all the elements of the list in preorder traversal after delete
      A    =				[i.label for i in t.preorder_traversal()]
      print('Preorder traversal after delete:',    UpperCamelCase__     )

      print('Max. label:',    t.get_max_label()     )
      print('Min. label:',    t.get_min_label()     )


if __name__ == "__main__":
  binary_search_tree_example()






import json
import os
import unittest

from transformers import BartTokenizer, BartTokenizerFast, BatchEncoding
from transformers.models.roberta.tokenization_roberta import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers, require_torch
from transformers.utils import cached_property

from ...test_tokenization_common import TokenizerTesterMixin, filter_roberta_detectors



@require_tokenizers
class        _UpperCAmelCase (   __lowercase     ,				unittest.TestCase			):
  '''simple docstring'''







  SCREAMING_SNAKE_CASE							:				List[Any]					      =				BartTokenizer
  SCREAMING_SNAKE_CASE							:				List[str]					      =				BartTokenizerFast
  SCREAMING_SNAKE_CASE							:				Any					      =				True
  SCREAMING_SNAKE_CASE							:				Union[str, Any]					      =				filter_roberta_detectors







  def 	UpperCamelCase       ( self	: str ):
        super().setUp()
        A    =				[
            'l',
            'o',
            'w',
            'e',
            'r',
            's',
            't',
            'i',
            'd',
            'n',
            '\u0120',
            '\u0120l',
            '\u0120n',
            '\u0120lo',
            '\u0120low',
            'er',
            '\u0120lowest',
            '\u0120newer',
            '\u0120wider',
            '<unk>',
        ]
        A    =				dict(zip(UpperCamelCase__		,						range(len(UpperCamelCase__ ) ) ) )
        A    =				['#version: 0.2', '\u0120 l', '\u0120l o', '\u0120lo w', 'e r', '']
        A    =				{'unk_token': '<unk>'}

        A    =				os.path.join(self.tmpdirname		,						VOCAB_FILES_NAMES['vocab_file'] )
        A    =				os.path.join(self.tmpdirname		,						VOCAB_FILES_NAMES['merges_file'] )
        with open(self.vocab_file		,						'w'		,						encoding='utf-8' ) as fp:
              fp.write(json.dumps(UpperCamelCase__ ) + '\n' )
        with open(self.merges_file		,						'w'		,						encoding='utf-8' ) as fp:
              fp.write('\n'.join(UpperCamelCase__ ) )







  def 	UpperCamelCase       ( self	: Dict		,						**UpperCamelCase__	: List[Any] ):
        kwargs.update(self.special_tokens_map )
        return self.tokenizer_class.from_pretrained(self.tmpdirname		,						**UpperCamelCase__ )







  def 	UpperCamelCase       ( self	: Any		,						**UpperCamelCase__	: Union[str, Any] ):
        kwargs.update(self.special_tokens_map )
        return self.rust_tokenizer_class.from_pretrained(self.tmpdirname		,						**UpperCamelCase__ )







  def 	UpperCamelCase       ( self	: int		,						UpperCamelCase__	: str ):
        return "lower newer", "lower newer"







  @cached_property
  def 	UpperCamelCase       ( self	: Optional[Any] ):
        return BartTokenizer.from_pretrained('facebook/bart-large' )







  @cached_property
  def 	UpperCamelCase       ( self	: str ):
        return BartTokenizerFast.from_pretrained('facebook/bart-large' )







  @require_torch
  def 	UpperCamelCase       ( self	: Dict ):
        A    =				['A long paragraph for summarization.', 'Another paragraph for summarization.']
        A    =				[0, 250, 251, 17818, 13, 39186, 1938, 4, 2]

        for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
              A    =				tokenizer(UpperCamelCase__		,						max_length=len(UpperCamelCase__ )		,						padding=UpperCamelCase__		,						return_tensors='pt' )
              self.assertIsInstance(UpperCamelCase__		,						UpperCamelCase__ )

              self.assertEqual((2, 9)		,						batch.input_ids.shape )
              self.assertEqual((2, 9)		,						batch.attention_mask.shape )
              A    =				batch.input_ids.tolist()[0]
              self.assertListEqual(UpperCamelCase__		,						UpperCamelCase__ )
              # Test that special tokens are reset







  @require_torch
  def 	UpperCamelCase       ( self	: Tuple ):
        A    =				['A long paragraph for summarization.', 'Another paragraph for summarization.']
        for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
              A    =				tokenizer(UpperCamelCase__		,						padding=UpperCamelCase__		,						return_tensors='pt' )
              # check if input_ids are returned and no labels
              self.assertIn('input_ids'		,						UpperCamelCase__ )
              self.assertIn('attention_mask'		,						UpperCamelCase__ )
              self.assertNotIn('labels'		,						UpperCamelCase__ )
              self.assertNotIn('decoder_attention_mask'		,						UpperCamelCase__ )







  @require_torch
  def 	UpperCamelCase       ( self	: Dict ):
        A    =				[
            'Summary of the text.',
            'Another summary.',
        ]
        for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
              A    =				tokenizer(text_target=UpperCamelCase__		,						max_length=32		,						padding='max_length'		,						return_tensors='pt' )
              self.assertEqual(32		,						targets['input_ids'].shape[1] )







  @require_torch
  def 	UpperCamelCase       ( self	: int ):
        for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
              A    =				tokenizer(
                  ['I am a small frog' * 1024, 'I am a small frog']		,						padding=UpperCamelCase__		,						truncation=UpperCamelCase__		,						return_tensors='pt' )
              self.assertIsInstance(UpperCamelCase__		,						UpperCamelCase__ )
              self.assertEqual(batch.input_ids.shape		,						(2, 1024) )







  @require_torch
  def 	UpperCamelCase       ( self	: Optional[Any] ):
        A    =				['A long paragraph for summarization.']
        A    =				[
            'Summary of the text.',
        ]
        for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
              A    =				tokenizer(UpperCamelCase__		,						return_tensors='pt' )
              A    =				tokenizer(text_target=UpperCamelCase__		,						return_tensors='pt' )
              A    =				inputs['input_ids']
              A    =				targets['input_ids']
              self.assertTrue((input_ids[:, 0] == tokenizer.bos_token_id).all().item() )
              self.assertTrue((labels[:, 0] == tokenizer.bos_token_id).all().item() )
              self.assertTrue((input_ids[:, -1] == tokenizer.eos_token_id).all().item() )
              self.assertTrue((labels[:, -1] == tokenizer.eos_token_id).all().item() )







  def 	UpperCamelCase       ( self	: List[str] ):
        pass







  def 	UpperCamelCase       ( self	: Tuple ):
        for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
              with self.subTest(f'''{tokenizer.__class__.__name__} ({pretrained_name})''' ):
                    A    =				self.rust_tokenizer_class.from_pretrained(UpperCamelCase__		,						**UpperCamelCase__ )
                    A    =				self.tokenizer_class.from_pretrained(UpperCamelCase__		,						**UpperCamelCase__ )
                    A    =				'A, <mask> AllenNLP sentence.'
                    A    =				tokenizer_r.encode_plus(UpperCamelCase__		,						add_special_tokens=UpperCamelCase__		,						return_token_type_ids=UpperCamelCase__ )
                    A    =				tokenizer_p.encode_plus(UpperCamelCase__		,						add_special_tokens=UpperCamelCase__		,						return_token_type_ids=UpperCamelCase__ )

                    # token_type_ids should put 0 everywhere
                    self.assertEqual(sum(tokens_r['token_type_ids'] )		,						sum(tokens_p['token_type_ids'] ) )

                    # attention_mask should put 1 everywhere, so sum over length should be 1
                    self.assertEqual(
                        sum(tokens_r['attention_mask'] ) / len(tokens_r['attention_mask'] )		,						sum(tokens_p['attention_mask'] ) / len(tokens_p['attention_mask'] )		,						)

                    A    =				tokenizer_r.convert_ids_to_tokens(tokens_r['input_ids'] )
                    A    =				tokenizer_p.convert_ids_to_tokens(tokens_p['input_ids'] )

                    # Rust correctly handles the space before the mask while python doesnt
                    self.assertSequenceEqual(tokens_p['input_ids']		,						[0, 250, 6, 50264, 3823, 487, 21992, 3645, 4, 2] )
                    self.assertSequenceEqual(tokens_r['input_ids']		,						[0, 250, 6, 50264, 3823, 487, 21992, 3645, 4, 2] )

                    self.assertSequenceEqual(
                        UpperCamelCase__		,						['<s>', 'A', ',', '<mask>', 'ĠAllen', 'N', 'LP', 'Ġsentence', '.', '</s>'] )
                    self.assertSequenceEqual(
                        UpperCamelCase__		,						['<s>', 'A', ',', '<mask>', 'ĠAllen', 'N', 'LP', 'Ġsentence', '.', '</s>'] )



