
from operator import delitem, getitem, setitem

import pytest

from data_structures.hashing.hash_map import HashMap


def    a      ( a	)     ->List[str]:




			'''simple docstring'''


			return getitem, k


def    a      ( a		,						a	)     ->List[str]:




			'''simple docstring'''


			return setitem, k, v


def    a      ( a	)     ->Any:




			'''simple docstring'''


			return delitem, k


def    a      ( a		,						a		,						*a	)     ->Tuple:




			'''simple docstring'''


			try:
						return fun(a		,						*a	), None
			except Exception as e:
						return None, e


__lowerCAmelCase					   =       (
    _set('key_a', 'val_a'),
    _set('key_b', 'val_b'),
)

__lowerCAmelCase					   =       [
    _set('key_a', 'val_a'),
    _set('key_a', 'val_b'),
]

__lowerCAmelCase					   =       [
    _set('key_a', 'val_a'),
    _set('key_b', 'val_b'),
    _del('key_a'),
    _del('key_b'),
    _set('key_a', 'val_a'),
    _del('key_a'),
]

__lowerCAmelCase					   =       [
    _get('key_a'),
    _del('key_a'),
    _set('key_a', 'val_a'),
    _del('key_a'),
    _del('key_a'),
    _get('key_a'),
]

__lowerCAmelCase					   =       [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
]

__lowerCAmelCase					   =       [
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
    *[_del(x) for x in range(5)],
    _set('key_a', 'val_b'),
]


@pytest.mark.parametrize(
    '''operations'''		,						(
        pytest.param(_add_items		,						id='''add items'''	),
        pytest.param(_overwrite_items		,						id='''overwrite items'''	),
        pytest.param(_delete_items		,						id='''delete items'''	),
        pytest.param(_access_absent_items		,						id='''access absent items'''	),
        pytest.param(_add_with_resize_up		,						id='''add with resize up'''	),
        pytest.param(_add_with_resize_down		,						id='''add with resize down'''	),
    )		,						)
def    a      ( a	)     ->Any:




			'''simple docstring'''


			SCREAMING_SNAKE_CASE     						= HashMap(initial_block_size=4	)
			SCREAMING_SNAKE_CASE     						= {}
			for _, (fun, *args) in enumerate(a	):
						SCREAMING_SNAKE_CASE						,							SCREAMING_SNAKE_CASE     						= _run_operation(a		,						a		,						*a	)
						SCREAMING_SNAKE_CASE						,							SCREAMING_SNAKE_CASE     						= _run_operation(a		,						a		,						*a	)
						assert my_res == py_res
						assert str(a	) == str(a	)
						assert set(a	) == set(a	)
						assert len(a	) == len(a	)
						assert set(my.items()	) == set(py.items()	)





def    a      ( )     ->Dict:




			'''simple docstring'''


			def is_public(a	) -> bool:
						return not name.startswith('''_'''	)

			SCREAMING_SNAKE_CASE     						= {name for name in dir({}	) if is_public(a	)}
			SCREAMING_SNAKE_CASE     						= {name for name in dir(HashMap()	) if is_public(a	)}

			assert dict_public_names > hash_public_names

from __future__ import annotations

from collections import deque
from collections.abc import Iterator
from dataclasses import dataclass





@dataclass
class     lowerCamelCase      :
	UpperCamelCase_  :					int
	UpperCamelCase_  :					int





class     lowerCamelCase      :







	def __init__(     self      :Dict   ,     lowercase      :int			)		->      Union[str, Any]:







				"""simple docstring"""






				SCREAMING_SNAKE_CASE     						= [[] for _ in range(lowercase			)]
				SCREAMING_SNAKE_CASE     						= size







	def __getitem__(     self      :Union[str, Any]   ,     lowercase      :int			)		->      Iterator[Edge]:







				"""simple docstring"""






				return iter(self._graph[vertex]			)







	@property
	def  snake_case__     (     self      :List[Any]			)		->      str:







				"""simple docstring"""






				return self._size







	def  snake_case__     (     self      :Optional[Any]   ,     lowercase      :int   ,     lowercase      :int   ,     lowercase      :int			)		->      List[Any]:







				"""simple docstring"""






				if weight not in (0, 1):
							raise ValueError('''Edge weight must be either 0 or 1.'''			)

				if to_vertex < 0 or to_vertex >= self.size:
							raise ValueError('''Vertex indexes must be in [0; size).'''			)

				self._graph[from_vertex].append(Edge(lowercase   ,     lowercase			)			)







	def  snake_case__     (     self      :List[str]   ,     lowercase      :int   ,     lowercase      :int			)		->      int | None:







				"""simple docstring"""






				SCREAMING_SNAKE_CASE     						= deque([start_vertex]			)
				SCREAMING_SNAKE_CASE     						= [None] * self.size
				SCREAMING_SNAKE_CASE     						= 0

				while queue:
							SCREAMING_SNAKE_CASE     						= queue.popleft()
							SCREAMING_SNAKE_CASE     						= distances[current_vertex]
							if current_distance is None:
										continue

							for edge in self[current_vertex]:
										SCREAMING_SNAKE_CASE     						= current_distance + edge.weight
										SCREAMING_SNAKE_CASE     						= distances[edge.destination_vertex]
										if (
										    isinstance(lowercase   ,     lowercase			)
										    and new_distance >= dest_vertex_distance
										):
													continue
										SCREAMING_SNAKE_CASE     						= new_distance
										if edge.weight == 0:
													queue.appendleft(edge.destination_vertex			)
										else:
													queue.append(edge.destination_vertex			)

				if distances[finish_vertex] is None:
							raise ValueError('''No path from start_vertex to finish_vertex.'''			)

				return distances[finish_vertex]


if __name__ == "__main__":
							import doctest

							doctest.testmod()