





from collections.abc import Iterator, MutableMapping
from dataclasses import dataclass
from typing import Generic, TypeVar

lowerCAmelCase_						   =    TypeVar("""KEY""")
lowerCAmelCase_						   =    TypeVar("""VAL""")



@dataclass(frozen=UpperCamelCase_							,    slots=UpperCamelCase_							)
class        _lowerCAmelCase    (			Generic[KEY, VAL]							):


  '''simple docstring'''
  a_							:       int      					=42
  a_							:       List[str]      					=42




class        _lowerCAmelCase    (			_Item							):


  '''simple docstring'''

  def __init__(      self      :					Tuple							):


    '''simple docstring'''





    super().__init__(__A      ,				__A							)




  def __bool__(      self      :					Dict							):


    '''simple docstring'''





    return False




lowerCAmelCase_						   =    _DeletedItem()



class        _lowerCAmelCase    (			MutableMapping[KEY, VAL]							):


  '''simple docstring'''

  def __init__(      self      :					Optional[Any]      ,				UpperCamelCase      :					int = 8      ,				UpperCamelCase      :					float = 0.75							):


    '''simple docstring'''





    _snake_case   :				Dict														=	initial_block_size
    _snake_case   :				list[_Item | None]														=	[None] * initial_block_size
    assert 0.0 < capacity_factor < 1.0
    _snake_case   :				Optional[Any]														=	capacity_factor
    _snake_case   :				str														=	0

  def UpperCamelCase_ (      self      :					List[str]      ,				UpperCamelCase      :					KEY							):


    '''simple docstring'''





    return hash(__A							) % len(self._buckets							)

  def UpperCamelCase_ (      self      :					Union[str, Any]      ,				UpperCamelCase      :					int							):


    '''simple docstring'''





    return (ind + 1) % len(self._buckets							)

  def UpperCamelCase_ (      self      :					Optional[Any]      ,				UpperCamelCase      :					int      ,				UpperCamelCase      :					KEY      ,				UpperCamelCase      :					VAL							):


    '''simple docstring'''





    _snake_case   :				Tuple														=	self._buckets[ind]
    if not stored:
      _snake_case   :				List[Any]														=	_Item(__A      ,				__A							)
      self._len += 1
      return True
    elif stored.key == key:
      _snake_case   :				List[str]														=	_Item(__A      ,				__A							)
      return True
    else:
      return False

  def UpperCamelCase_ (      self      :					Dict							):


    '''simple docstring'''





    _snake_case   :				Optional[Any]														=	len(self._buckets							) * self._capacity_factor
    return len(self							) >= int(__A							)

  def UpperCamelCase_ (      self      :					Dict							):


    '''simple docstring'''





    if len(self._buckets							) <= self._initial_block_size:
      return False
    _snake_case   :				Optional[Any]														=	len(self._buckets							) * self._capacity_factor / 2
    return len(self							) < limit

  def UpperCamelCase_ (      self      :					Optional[int]      ,				UpperCamelCase      :					int							):


    '''simple docstring'''





    _snake_case   :				Optional[Any]														=	self._buckets
    _snake_case   :				Optional[int]														=	[None] * new_size
    _snake_case   :				Any														=	0
    for item in old_buckets:
      if item:
        self._add_item(item.key      ,				item.val							)

  def UpperCamelCase_ (      self      :					int							):


    '''simple docstring'''





    self._resize(len(self._buckets							) * 2							)

  def UpperCamelCase_ (      self      :					Union[str, Any]							):


    '''simple docstring'''





    self._resize(len(self._buckets							) // 2							)

  def UpperCamelCase_ (      self      :					int      ,				UpperCamelCase      :					KEY							):


    '''simple docstring'''





    _snake_case   :				List[Any]														=	self._get_bucket_index(__A							)
    for _ in range(len(self._buckets							)							):
      yield ind
      _snake_case   :				int														=	self._get_next_ind(__A							)

  def UpperCamelCase_ (      self      :					Tuple      ,				UpperCamelCase      :					KEY      ,				UpperCamelCase      :					VAL							):


    '''simple docstring'''





    for ind in self._iterate_buckets(__A							):
      if self._try_set(__A      ,				__A      ,				__A							):
        break

  def __setitem__(      self      :					Union[str, Any]      ,				UpperCamelCase      :					KEY      ,				UpperCamelCase      :					VAL							):


    '''simple docstring'''





    if self._is_full():
      self._size_up()

    self._add_item(__A      ,				__A							)

  def __delitem__(      self      :					List[str]      ,				UpperCamelCase      :					KEY							):


    '''simple docstring'''





    for ind in self._iterate_buckets(__A							):
      _snake_case   :				str														=	self._buckets[ind]
      if item is None:
        raise KeyError(__A							)
      if item is _deleted:
        continue
      if item.key == key:
        _snake_case   :				str														=	_deleted
        self._len -= 1
        break
    if self._is_sparse():
      self._size_down()

  def __getitem__(      self      :					str      ,				UpperCamelCase      :					KEY							):


    '''simple docstring'''





    for ind in self._iterate_buckets(__A							):
      _snake_case   :				Dict														=	self._buckets[ind]
      if item is None:
        break
      if item is _deleted:
        continue
      if item.key == key:
        return item.val
    raise KeyError(__A							)

  def __len__(      self      :					int							):


    '''simple docstring'''





    return self._len

  def __iter__(      self      :					List[str]							):


    '''simple docstring'''





    yield from (item.key for item in self._buckets if item)




  def __repr__(      self      :					str							):


    '''simple docstring'''





    _snake_case   :				Union[str, Any]														=	" ,".join(
        f"""{item.key}: {item.val}""" for item in self._buckets if item							)
    return f"""HashMap({val_string})"""











from random import randint, random


def     lowerCamelCase_	(      lowerCAmelCase:	int    ,							lowerCAmelCase:	int    ,							lowerCAmelCase:	int    ,							lowerCAmelCase:	bool = False    ,							lowerCAmelCase:	bool = False    ,							lowerCAmelCase:	int = 5    ,							)->		list:
  _snake_case   :				Dict														=	[[-1] * number_of_cells]  # Create a highway without any car
  _snake_case   :				List[str]														=	0
  _snake_case   :				List[str]														=	max(lowerCAmelCase    ,							0				)
  while i < number_of_cells:
    _snake_case   :				Optional[Any]														=	(
        randint(0    ,							lowerCAmelCase				) if random_speed else initial_speed
    )  # Place the cars
    i += (
        randint(1    ,							max_speed * 2				) if random_frequency else frequency
    )  # Arbitrary number, may need tuning
  return highway


def     lowerCamelCase_	(      lowerCAmelCase:	list    ,							lowerCAmelCase:	int				)->		int:
  _snake_case   :				Dict														=	0
  _snake_case   :				Optional[Any]														=	highway_now[car_index + 1 :]
  for cell in range(len(lowerCAmelCase				)				):  # May need a better name for this
    if cells[cell] != -1:  # If the cell is not empty then
      return distance  # we have the distance we wanted
    distance += 1
  # Here if the car is near the end of the highway
  return distance + get_distance(lowerCAmelCase    ,							-1				)


def     lowerCamelCase_	(      lowerCAmelCase:	list    ,							lowerCAmelCase:	float    ,							lowerCAmelCase:	int				)->		list:
  _snake_case   :				List[Any]														=	len(lowerCAmelCase				)
  # Beforce calculations, the highway is empty
  _snake_case   :				List[Any]														=	[-1] * number_of_cells

  for car_index in range(lowerCAmelCase				):
    if highway_now[car_index] != -1:
      # Add 1 to the current speed of the car and cap the speed
      _snake_case   :				int														=	min(highway_now[car_index] + 1    ,							lowerCAmelCase				)
      # Number of empty cell before the next car
      _snake_case   :				Tuple														=	get_distance(lowerCAmelCase    ,							lowerCAmelCase				) - 1
      # We can't have the car causing an accident
      _snake_case   :				Union[str, Any]														=	min(next_highway[car_index]    ,							lowerCAmelCase				)
      if random() < probability:
        # Randomly, a driver will slow down
        _snake_case   :				int														=	max(next_highway[car_index] - 1    ,							0				)
  return next_highway


def     lowerCamelCase_	(      lowerCAmelCase:	list    ,							lowerCAmelCase:	int    ,							lowerCAmelCase:	float    ,							lowerCAmelCase:	int				)->		list:
  _snake_case   :				Dict														=	len(highway[0]				)

  for i in range(lowerCAmelCase				):
    _snake_case   :				Any														=	update(highway[i]    ,							lowerCAmelCase    ,							lowerCAmelCase				)
    _snake_case   :				Tuple														=	[-1] * number_of_cells

    for car_index in range(lowerCAmelCase				):
      _snake_case   :				Union[str, Any]														=	next_speeds_calculated[car_index]
      if speed != -1:
        # Change the position based on the speed (with % to create the loop)
        _snake_case   :				Union[str, Any]														=	(car_index + speed) % number_of_cells
        # Commit the change of position
        _snake_case   :				Tuple														=	speed
    highway.append(lowerCAmelCase				)

  return highway


if __name__ == "__main__":
      import doctest

      doctest.testmod()




