from __future__ import annotations

from random import random
from typing import Generic, TypeVar

_a  :  int=				TypeVar("KT")
_a  :  Any=				TypeVar("VT")

class 	UpperCamelCase    (					Generic[KT, VT]		):



				def __init__(self       :   Union[str, Any]			,						_A       :   KT | str = "root"			,						_A       :   VT | None = None)					->			List[Any]:
					__snake_case    :							List[Any]   	=				key
					__snake_case    :							Tuple   	=				value
					__snake_case    :							list[Node[KT, VT]]   	=				[]



				def __repr__(self       :   str)					->			str:
					return f"Node({self.key}: {self.value})"






				@property
				def       _lowercase  (self       :   List[Any])					->			int:
					return len(self.forward)







class 	UpperCamelCase    (					Generic[KT, VT]		):



				def __init__(self       :   List[str]			,						_A       :   float = 0.5			,						_A       :   int = 16)					->			Dict:
					__snake_case    :							Node[KT, VT]   	=				Node[KT, VT]()
					__snake_case    :							Optional[int]   	=				0
					__snake_case    :							Optional[Any]   	=				p
					__snake_case    :							Optional[Any]   	=				max_level



				def __str__(self       :   List[str])					->			str:
					__snake_case    :							List[Any]   	=				list(self)

					if len(__a) == 0:
						return f"SkipList(level={self.level})"

					__snake_case    :							List[Any]   	=				max((len(str(__a)) for item in items)			,						default=4)
					__snake_case    :							List[Any]   	=				max(__a			,						4) + 4

					__snake_case    :							List[Any]   	=				self.head
					__snake_case    :							Any   	=				[]

					__snake_case    :							Dict   	=				node.forward.copy()
					lines.append(f"[{node.key}]".ljust(__a			,						'-') + '* ' * len(__a))
					lines.append(' ' * label_size + '| ' * len(__a))

					while len(node.forward) != 0:
						__snake_case    :							Tuple   	=				node.forward[0]

						lines.append(
						    f"[{node.key}]".ljust(__a			,						'-')
						    + ' '.join(str(n.key) if n.key == node.key else '|' for n in forwards))
						lines.append(' ' * label_size + '| ' * len(__a))
						__snake_case    :							Union[str, Any]   	=				node.forward

					lines.append('None'.ljust(__a) + '* ' * len(__a))
					return f"SkipList(level={self.level})\n" + "\n".join(__a)



				def __iter__(self       :   List[Any])					->			Tuple:
					__snake_case    :							Tuple   	=				self.head

					while len(node.forward) != 0:
						yield node.forward[0].key
						__snake_case    :							Dict   	=				node.forward[0]



				def       _lowercase  (self       :   Dict)					->			int:
					__snake_case    :							Any   	=				1
					while random() < self.p and level < self.max_level:
						level += 1

					return level



				def       _lowercase  (self       :   Tuple			,						_A       :   Optional[int])					->			tuple[Node[KT, VT] | None, list[Node[KT, VT]]]:
					__snake_case    :							Union[str, Any]   	=				[]

					__snake_case    :							List[str]   	=				self.head

					for i in reversed(range(self.level)):
						# i < node.level - When node level is lesser than `i` decrement `i`.
						# node.forward[i].key < key - Jumping to node with key value higher
						#                             or equal to searched key would result
						#                             in skipping searched key.
						while i < node.level and node.forward[i].key < key:
							__snake_case    :							List[str]   	=				node.forward[i]
						# Each leftmost node (relative to searched node) will potentially have to
						# be updated.
						update_vector.append(__a)

					update_vector.reverse()  # Note that we were inserting values in reverse order.

					# len(node.forward) != 0 - If current node doesn't contain any further
					#                          references then searched key is not present.
					# node.forward[0].key == key - Next node key should be equal to search key
					#                              if key is present.
					if len(node.forward) != 0 and node.forward[0].key == key:
						return node.forward[0], update_vector
					else:
						return None, update_vector



				def       _lowercase  (self       :   Optional[Any]			,						_A       :   KT)					->			Any:
					__snake_case    :							Tuple   	=				self._locate_node(__a)

					if node is not None:
						for i, update_node in enumerate(__a):
							# Remove or replace all references to removed node.
							if update_node.level > i and update_node.forward[i].key == key:
								if node.level > i:
									__snake_case    :							Dict   	=				node.forward[i]
								else:
									__snake_case    :							Optional[Any]   	=				update_node.forward[:i]



				def       _lowercase  (self       :   Tuple			,						_A       :   KT			,						_A       :   VT)					->			List[str]:
					__snake_case    :							Dict   	=				self._locate_node(__a)
					if node is not None:
						__snake_case    :							Union[str, Any]   	=				value
					else:
						__snake_case    :							str   	=				self.random_level()

						if level > self.level:
							# After level increase we have to add additional nodes to head.
							for _ in range(self.level - 1			,						__a):
								update_vector.append(self.head)
							__snake_case    :							Dict   	=				level

						__snake_case    :							Union[str, Any]   	=				Node(__a			,						__a)

						for i, update_node in enumerate(update_vector[:level]):
							# Change references to pass through new node.
							if update_node.level > i:
								new_node.forward.append(update_node.forward[i])

							if update_node.level < i + 1:
								update_node.forward.append(__a)
							else:
								__snake_case    :							Tuple   	=				new_node






				def       _lowercase  (self       :   Optional[Any]			,						_A       :   VT)					->			VT | None:
					__snake_case    :							Dict   	=				self._locate_node(__a)

					if node is not None:
						return node.value

					return None







def 						__UpperCAmelCase       (					)							->    str:

	'''simple docstring'''





	__snake_case    :							Optional[Any]   	=				SkipList()
	skip_list.insert('Key1'    ,							3						)
	skip_list.insert('Key2'    ,							12						)
	skip_list.insert('Key3'    ,							41						)
	skip_list.insert('Key4'    ,							-19						)

	__snake_case    :							Optional[int]   	=				skip_list.head
	__snake_case    :							int   	=				{}
	while node.level != 0:
		__snake_case    :							str   	=				node.forward[0]
		__snake_case    :							int   	=				node.value

	assert len(UpperCamelCase__						) == 4
	assert all_values["Key1"] == 3
	assert all_values["Key2"] == 12
	assert all_values["Key3"] == 41
	assert all_values["Key4"] == -19
def 						__UpperCAmelCase       (					)							->    Tuple:

	'''simple docstring'''





	__snake_case    :							Union[str, Any]   	=				SkipList()
	skip_list.insert('Key1'    ,							10						)
	skip_list.insert('Key1'    ,							12						)

	skip_list.insert('Key5'    ,							7						)
	skip_list.insert('Key7'    ,							10						)
	skip_list.insert('Key10'    ,							5						)

	skip_list.insert('Key7'    ,							7						)
	skip_list.insert('Key5'    ,							5						)
	skip_list.insert('Key10'    ,							10						)

	__snake_case    :							List[str]   	=				skip_list.head
	__snake_case    :							Any   	=				{}
	while node.level != 0:
		__snake_case    :							str   	=				node.forward[0]
		__snake_case    :							Tuple   	=				node.value

	if len(UpperCamelCase__						) != 4:
		print()
	assert len(UpperCamelCase__						) == 4
	assert all_values["Key1"] == 12
	assert all_values["Key7"] == 7
	assert all_values["Key5"] == 5
	assert all_values["Key10"] == 10
def 						__UpperCAmelCase       (					)							->    List[Any]:

	'''simple docstring'''





	__snake_case    :							Dict   	=				SkipList()
	assert skip_list.find('Some key'						) is None
def 						__UpperCAmelCase       (					)							->    Optional[int]:

	'''simple docstring'''





	__snake_case    :							Any   	=				SkipList()

	skip_list.insert('Key2'    ,							20						)
	assert skip_list.find('Key2'						) == 20

	skip_list.insert('Some Key'    ,							10						)
	skip_list.insert('Key2'    ,							8						)
	skip_list.insert('V'    ,							13						)

	assert skip_list.find('Y'						) is None
	assert skip_list.find('Key2'						) == 8
	assert skip_list.find('Some Key'						) == 10
	assert skip_list.find('V'						) == 13
def 						__UpperCAmelCase       (					)							->    Any:

	'''simple docstring'''





	__snake_case    :							Union[str, Any]   	=				SkipList()
	skip_list.delete('Some key'						)

	assert len(skip_list.head.forward						) == 0
def 						__UpperCAmelCase       (					)							->    List[Any]:

	'''simple docstring'''





	__snake_case    :							List[str]   	=				SkipList()

	skip_list.insert('Key1'    ,							12						)
	skip_list.insert('V'    ,							13						)
	skip_list.insert('X'    ,							14						)
	skip_list.insert('Key2'    ,							15						)

	skip_list.delete('V'						)
	skip_list.delete('Key2'						)

	assert skip_list.find('V'						) is None
	assert skip_list.find('Key2'						) is None
def 						__UpperCAmelCase       (					)							->    List[str]:

	'''simple docstring'''





	__snake_case    :							List[str]   	=				SkipList()

	skip_list.insert('Key1'    ,							12						)
	skip_list.insert('V'    ,							13						)
	skip_list.insert('X'    ,							14						)
	skip_list.insert('Key2'    ,							15						)

	skip_list.delete('V'						)
	assert skip_list.find('V'						) is None
	assert skip_list.find('X'						) == 14
	assert skip_list.find('Key1'						) == 12
	assert skip_list.find('Key2'						) == 15

	skip_list.delete('X'						)
	assert skip_list.find('V'						) is None
	assert skip_list.find('X'						) is None
	assert skip_list.find('Key1'						) == 12
	assert skip_list.find('Key2'						) == 15

	skip_list.delete('Key1'						)
	assert skip_list.find('V'						) is None
	assert skip_list.find('X'						) is None
	assert skip_list.find('Key1'						) is None
	assert skip_list.find('Key2'						) == 15

	skip_list.delete('Key2'						)
	assert skip_list.find('V'						) is None
	assert skip_list.find('X'						) is None
	assert skip_list.find('Key1'						) is None
	assert skip_list.find('Key2'						) is None
def 						__UpperCAmelCase       (					)							->    Tuple:

	'''simple docstring'''





	__snake_case    :							str   	=				SkipList()

	skip_list.insert('Key1'    ,							12						)
	skip_list.insert('V'    ,							13						)
	skip_list.insert('X'    ,							1_42						)
	skip_list.insert('Key2'    ,							15						)

	skip_list.delete('X'						)

	def traverse_keys(UpperCAmelCase_					:       Optional[int]						):
		yield node.key
		for forward_node in node.forward:
			yield from traverse_keys(UpperCamelCase__						)

	assert len(set(traverse_keys(skip_list.head						)						)						) == 4
def 						__UpperCAmelCase       (					)							->    Any:

	'''simple docstring'''





	def is_sorted(UpperCAmelCase_					:       List[Any]						):
		return all(next_item >= item for item, next_item in zip(UpperCamelCase__    ,							lst[1:]						)						)

	__snake_case    :							Union[str, Any]   	=				SkipList()
	for i in range(10						):
		skip_list.insert(UpperCamelCase__    ,							UpperCamelCase__						)
	assert is_sorted(list(UpperCamelCase__						)						)
	skip_list.delete(5						)
	skip_list.delete(8						)
	skip_list.delete(2						)
	assert is_sorted(list(UpperCamelCase__						)						)
	skip_list.insert(-12    ,							-12						)
	skip_list.insert(77    ,							77						)
	assert is_sorted(list(UpperCamelCase__						)						)
def 						__UpperCAmelCase       (					)							->    str:

	'''simple docstring'''





	for _ in range(1_00						):
		# Repeat test 100 times due to the probabilistic nature of skip list
		# random values == random bugs
		test_insert()
		test_insert_overrides_existing_value()

		test_searching_empty_list_returns_none()
		test_search()

		test_deleting_item_from_empty_list_do_nothing()
		test_deleted_items_are_not_founded_by_find_method()
		test_delete_removes_only_given_key()
		test_delete_doesnt_leave_dead_nodes()

		test_iter_always_yields_sorted_values()
def 						__UpperCAmelCase       (					)							->    str:

	'''simple docstring'''





	__snake_case    :							Optional[Any]   	=				SkipList()
	skip_list.insert(2    ,							'2'						)
	skip_list.insert(4    ,							'4'						)
	skip_list.insert(6    ,							'4'						)
	skip_list.insert(4    ,							'5'						)
	skip_list.insert(8    ,							'4'						)
	skip_list.insert(9    ,							'4'						)

	skip_list.delete(4						)

	print(UpperCamelCase__						)


if __name__ == "__main__":
	import doctest

	doctest.testmod()
	main()






"""simple docstring"""







import json
import os
import unittest

from transformers import BatchEncoding, MvpTokenizer, MvpTokenizerFast
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		):
				UpperCAmelCase       :   List[Any]					=	MvpTokenizer
				UpperCAmelCase       :   int					=	MvpTokenizerFast
				UpperCAmelCase       :   Optional[Any]					=	True
				UpperCAmelCase       :   Tuple					=	filter_roberta_detectors



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

					__snake_case    :							int   	=				os.path.join(self.tmpdirname			,						VOCAB_FILES_NAMES['vocab_file'])
					__snake_case    :							str   	=				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(_A) + '\n')
					with open(self.merges_file			,						'w'			,						encoding='utf-8') as fp:
						fp.write('\n'.join(_A))



				def       _lowercase  (self       :   List[str]			,						**_A       :   Any)					->			str:
					kwargs.update(self.special_tokens_map)
					return self.tokenizer_class.from_pretrained(self.tmpdirname			,						**_A)



				def       _lowercase  (self       :   Optional[Any]			,						**_A       :   Tuple)					->			Any:
					kwargs.update(self.special_tokens_map)
					return self.rust_tokenizer_class.from_pretrained(self.tmpdirname			,						**_A)



				def       _lowercase  (self       :   Union[str, Any]			,						_A       :   str)					->			Optional[Any]:
					return "lower newer", "lower newer"



				@cached_property
				def       _lowercase  (self       :   Tuple)					->			int:
					return MvpTokenizer.from_pretrained('RUCAIBox/mvp')



				@cached_property
				def       _lowercase  (self       :   int)					->			Tuple:
					return MvpTokenizerFast.from_pretrained('RUCAIBox/mvp')



				@require_torch
				def       _lowercase  (self       :   Optional[int])					->			List[Any]:
					__snake_case    :							Optional[int]   	=				['A long paragraph for summarization.', 'Another paragraph for summarization.']
					__snake_case    :							Any   	=				[0, 2_50, 2_51, 1_78_18, 13, 3_91_86, 19_38, 4, 2]

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

						self.assertEqual((2, 9)			,						batch.input_ids.shape)
						self.assertEqual((2, 9)			,						batch.attention_mask.shape)
						__snake_case    :							List[str]   	=				batch.input_ids.tolist()[0]
						self.assertListEqual(_A			,						_A)
						# Test that special tokens are reset



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



				@require_torch
				def       _lowercase  (self       :   List[Any])					->			Tuple:
					__snake_case    :							List[Any]   	=				[
					    'Summary of the text.',
					    'Another summary.',
					]
					for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
						__snake_case    :							Any   	=				tokenizer(text_target=_A			,						max_length=32			,						padding='max_length'			,						return_tensors='pt')
						self.assertEqual(32			,						targets['input_ids'].shape[1])



				@require_torch
				def       _lowercase  (self       :   Tuple)					->			Dict:
					for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
						__snake_case    :							Dict   	=				tokenizer(
						    ['I am a small frog' * 10_24, 'I am a small frog']			,						padding=_A			,						truncation=_A			,						return_tensors='pt')
						self.assertIsInstance(_A			,						_A)
						self.assertEqual(batch.input_ids.shape			,						(2, 10_24))



				@require_torch
				def       _lowercase  (self       :   Optional[int])					->			Dict:
					__snake_case    :							List[Any]   	=				['A long paragraph for summarization.']
					__snake_case    :							str   	=				[
					    'Summary of the text.',
					]
					for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
						__snake_case    :							Any   	=				tokenizer(_A			,						text_target=_A			,						return_tensors='pt')
						__snake_case    :							str   	=				inputs['input_ids']
						__snake_case    :							Optional[Any]   	=				inputs['labels']
						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       _lowercase  (self       :   str)					->			Tuple:
					pass






				def       _lowercase  (self       :   str)					->			Any:
					for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
						with self.subTest(f"{tokenizer.__class__.__name__} ({pretrained_name})"):
							__snake_case    :							Any   	=				self.rust_tokenizer_class.from_pretrained(_A			,						**_A)
							__snake_case    :							List[Any]   	=				self.tokenizer_class.from_pretrained(_A			,						**_A)
							__snake_case    :							List[Any]   	=				'A, <mask> AllenNLP sentence.'
							__snake_case    :							List[Any]   	=				tokenizer_r.encode_plus(_A			,						add_special_tokens=_A			,						return_token_type_ids=_A)
							__snake_case    :							int   	=				tokenizer_p.encode_plus(_A			,						add_special_tokens=_A			,						return_token_type_ids=_A)

							# 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'])			,						)

							__snake_case    :							Tuple   	=				tokenizer_r.convert_ids_to_tokens(tokens_r['input_ids'])
							__snake_case    :							Union[str, Any]   	=				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, 2_50, 6, 5_02_64, 38_23, 4_87, 2_19_92, 36_45, 4, 2])
							self.assertSequenceEqual(tokens_r['input_ids']			,						[0, 2_50, 6, 5_02_64, 38_23, 4_87, 2_19_92, 36_45, 4, 2])

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





