"""simple docstring"""


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

UpperCAmelCase__  		=						TypeVar("""KEY""")
UpperCAmelCase__  		=						TypeVar("""VAL""")


@dataclass(frozen=lowerCAmelCase_	,							slots=lowerCAmelCase_   )
class        a				(		Generic[KEY, VAL]   ):
    _snake_case     :  KEY
    _snake_case     :  VAL



class        a				(		_Item   ):


    def __init__(					self	:  Optional[Any]					):
      super().__init__(__lowerCAmelCase   ,				__lowerCAmelCase					)


    def __bool__(					self	:  Union[str, Any]					):
      return False



UpperCAmelCase__  		=						_DeletedItem()


class        a				(		MutableMapping[KEY, VAL]   ):


    def __init__(					self	:  List[Any]   ,				__lowerCAmelCase	:  int = 8   ,				__lowerCAmelCase	:  float = 0.75					):
      _UpperCAmelCase						 =      initial_block_size
      _UpperCAmelCase						 =      [None] * initial_block_size
      assert 0.0 < capacity_factor < 1.0
      _UpperCAmelCase						 =      capacity_factor
      _UpperCAmelCase						 =      0


    def      lowerCAmelCase_  (					self	:  List[str]   ,				__lowerCAmelCase	:  KEY					):
      return hash(__lowerCAmelCase					) % len(self._buckets					)


    def      lowerCAmelCase_  (					self	:  str   ,				__lowerCAmelCase	:  int					):
      return (ind + 1) % len(self._buckets					)


    def      lowerCAmelCase_  (					self	:  Any   ,				__lowerCAmelCase	:  int   ,				__lowerCAmelCase	:  KEY   ,				__lowerCAmelCase	:  VAL					):
      _UpperCAmelCase						 =      self._buckets[ind]
      if not stored:
        _UpperCAmelCase						 =      _Item(__lowerCAmelCase   ,				__lowerCAmelCase					)
        self._len += 1
        return True
      elif stored.key == key:
        _UpperCAmelCase						 =      _Item(__lowerCAmelCase   ,				__lowerCAmelCase					)
        return True
      else:
        return False


    def      lowerCAmelCase_  (					self	:  Optional[Any]					):
      _UpperCAmelCase						 =      len(self._buckets					) * self._capacity_factor
      return len(self					) >= int(__lowerCAmelCase					)


    def      lowerCAmelCase_  (					self	:  Dict					):
      if len(self._buckets					) <= self._initial_block_size:
        return False
      _UpperCAmelCase						 =      len(self._buckets					) * self._capacity_factor / 2
      return len(self					) < limit


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


    def      lowerCAmelCase_  (					self	:  int					):
      self._resize(len(self._buckets					) * 2					)


    def      lowerCAmelCase_  (					self	:  Tuple					):
      self._resize(len(self._buckets					) // 2					)


    def      lowerCAmelCase_  (					self	:  int   ,				__lowerCAmelCase	:  KEY					):
      _UpperCAmelCase						 =      self._get_bucket_index(__lowerCAmelCase					)
      for _ in range(len(self._buckets					)					):
        yield ind
        _UpperCAmelCase						 =      self._get_next_ind(__lowerCAmelCase					)


    def      lowerCAmelCase_  (					self	:  int   ,				__lowerCAmelCase	:  KEY   ,				__lowerCAmelCase	:  VAL					):
      for ind in self._iterate_buckets(__lowerCAmelCase					):
        if self._try_set(__lowerCAmelCase   ,				__lowerCAmelCase   ,				__lowerCAmelCase					):
          break


    def __setitem__(					self	:  Union[str, Any]   ,				__lowerCAmelCase	:  KEY   ,				__lowerCAmelCase	:  VAL					):
      if self._is_full():
        self._size_up()

      self._add_item(__lowerCAmelCase   ,				__lowerCAmelCase					)


    def __delitem__(					self	:  Optional[Any]   ,				__lowerCAmelCase	:  KEY					):
      for ind in self._iterate_buckets(__lowerCAmelCase					):
        _UpperCAmelCase						 =      self._buckets[ind]
        if item is None:
          raise KeyError(__lowerCAmelCase					)
        if item is _deleted:
          continue
        if item.key == key:
          _UpperCAmelCase						 =      _deleted
          self._len -= 1
          break
      if self._is_sparse():
        self._size_down()


    def __getitem__(					self	:  Optional[Any]   ,				__lowerCAmelCase	:  KEY					):
      for ind in self._iterate_buckets(__lowerCAmelCase					):
        _UpperCAmelCase						 =      self._buckets[ind]
        if item is None:
          break
        if item is _deleted:
          continue
        if item.key == key:
          return item.val
      raise KeyError(__lowerCAmelCase					)


    def __len__(					self	:  int					):
      return self._len


    def __iter__(					self	:  Optional[Any]					):
      yield from (item.key for item in self._buckets if item)


    def __repr__(					self	:  Tuple					):
      _UpperCAmelCase						 =      """ ,""".join(
          f'''{item.key}: {item.val}''' for item in self._buckets if item					)
      return f'''HashMap({val_string})'''

"""simple docstring"""


from abc import ABC, abstractmethod
from argparse import ArgumentParser


class        a				(		lowerCAmelCase_   ):


    @staticmethod
    @abstractmethod
    def      lowerCAmelCase_  (					__lowerCAmelCase	:  ArgumentParser					):
      raise NotImplementedError()


    @abstractmethod
    def      lowerCAmelCase_  (					self	:  int					):
      raise NotImplementedError()
