


"""simple docstring"""
from __future__ import annotations

from sys import maxsize
from typing import Generic, TypeVar

__SCREAMING_SNAKE_CASE							:      Union[str, Any]						=      TypeVar('T')







def   _a			( _SCREAMING_SNAKE_CASE			)      ->			int:
							return (position - 1) // 2







def   _a			( _SCREAMING_SNAKE_CASE			)      ->			int:
							return (2 * position) + 1







def   _a			( _SCREAMING_SNAKE_CASE			)      ->			int:
							return (2 * position) + 2





class        __A       (Generic[T]):





							'''simple docstring'''

							def __init__(			self							: Tuple    )   ->None:



														"""simple docstring"""



														snake_case_          =						[]
														snake_case_          =						{}
														snake_case_          =						0



							def __len__(			self							: Dict    )   ->int:



														"""simple docstring"""



														return self.elements



							def __repr__(			self							: Dict    )   ->str:



														"""simple docstring"""



														return str(self.heap    )



							def 						lowerCAmelCase    (			self							: Dict    )   ->bool:



														"""simple docstring"""



														return self.elements == 0



							def 						lowerCAmelCase    (			self							: int						,    UpperCAmelCase_							: T						,    UpperCAmelCase_							: int    )   ->None:



														"""simple docstring"""



														self.heap.append((elem, weight)    )
														snake_case_          =						self.elements
														self.elements += 1
														self._bubble_up(UpperCAmelCase_    )



							def 						lowerCAmelCase    (			self							: List[str]    )   ->T:



														"""simple docstring"""



														if self.elements > 1:
																					self._swap_nodes(0						,    self.elements - 1    )
														snake_case_    ,  snake_case_          =						self.heap.pop()
														del self.position_map[elem]
														self.elements -= 1
														if self.elements > 0:
																					snake_case_    ,  snake_case_          =						self.heap[0]
																					self._bubble_down(UpperCAmelCase_    )
														return elem



							def 						lowerCAmelCase    (			self							: Tuple						,    UpperCAmelCase_							: T						,    UpperCAmelCase_							: int    )   ->None:



														"""simple docstring"""



														snake_case_          =						self.position_map[elem]
														snake_case_          =						(elem, weight)
														if position > 0:
																					snake_case_          =						get_parent_position(UpperCAmelCase_    )
																					snake_case_    ,  snake_case_          =						self.heap[parent_position]
																					if parent_weight > weight:
																												self._bubble_up(UpperCAmelCase_    )
																					else:
																												self._bubble_down(UpperCAmelCase_    )
														else:
																					self._bubble_down(UpperCAmelCase_    )



							def 						lowerCAmelCase    (			self							: int						,    UpperCAmelCase_							: T    )   ->None:



														"""simple docstring"""



														snake_case_          =						self.position_map[elem]
														if curr_pos == 0:
																					return None
														snake_case_          =						get_parent_position(UpperCAmelCase_    )
														snake_case_    ,  snake_case_          =						self.heap[curr_pos]
														snake_case_    ,  snake_case_          =						self.heap[parent_position]
														if parent_weight > weight:
																					self._swap_nodes(UpperCAmelCase_						,    UpperCAmelCase_    )
																					return self._bubble_up(UpperCAmelCase_    )
														return None



							def 						lowerCAmelCase    (			self							: Dict						,    UpperCAmelCase_							: T    )   ->None:



														"""simple docstring"""



														snake_case_          =						self.position_map[elem]
														snake_case_    ,  snake_case_          =						self.heap[curr_pos]
														snake_case_          =						get_child_left_position(UpperCAmelCase_    )
														snake_case_          =						get_child_right_position(UpperCAmelCase_    )
														if child_left_position < self.elements and child_right_position < self.elements:
																					snake_case_    ,  snake_case_          =						self.heap[child_left_position]
																					snake_case_    ,  snake_case_          =						self.heap[child_right_position]
																					if child_right_weight < child_left_weight and child_right_weight < weight:
																												self._swap_nodes(UpperCAmelCase_						,    UpperCAmelCase_    )
																												return self._bubble_down(UpperCAmelCase_    )
														if child_left_position < self.elements:
																					snake_case_    ,  snake_case_          =						self.heap[child_left_position]
																					if child_left_weight < weight:
																												self._swap_nodes(UpperCAmelCase_						,    UpperCAmelCase_    )
																												return self._bubble_down(UpperCAmelCase_    )
														else:
																					return None
														if child_right_position < self.elements:
																					snake_case_    ,  snake_case_          =						self.heap[child_right_position]
																					if child_right_weight < weight:
																												self._swap_nodes(UpperCAmelCase_						,    UpperCAmelCase_    )
																												return self._bubble_down(UpperCAmelCase_    )
														return None



							def 						lowerCAmelCase    (			self							: List[str]						,    UpperCAmelCase_							: int						,    UpperCAmelCase_							: int    )   ->None:



														"""simple docstring"""



														snake_case_          =						self.heap[nodea_pos][0]
														snake_case_          =						self.heap[nodea_pos][0]
														snake_case_    ,  snake_case_          =						(
														    self.heap[nodea_pos],
														    self.heap[nodea_pos],
														)
														snake_case_          =						nodea_pos
														snake_case_          =						nodea_pos





class        __A       (Generic[T]):





							'''simple docstring'''

							def __init__(			self							: Any    )   ->None:



														"""simple docstring"""



														snake_case_          =						{}
														snake_case_          =						0



							def __repr__(			self							: List[Any]    )   ->str:



														"""simple docstring"""



														return str(self.connections    )



							def __len__(			self							: int    )   ->int:



														"""simple docstring"""



														return self.nodes



							def 						lowerCAmelCase    (			self							: Optional[Any]						,    UpperCAmelCase_							: T    )   ->None:



														"""simple docstring"""



														if node not in self.connections:
																					snake_case_          =						{}
																					self.nodes += 1



							def 						lowerCAmelCase    (			self							: List[Any]						,    UpperCAmelCase_							: T						,    UpperCAmelCase_							: T						,    UpperCAmelCase_							: int    )   ->None:



														"""simple docstring"""



														self.add_node(UpperCAmelCase_    )
														self.add_node(UpperCAmelCase_    )
														snake_case_          =						weight
														snake_case_          =						weight







def   _a			( _SCREAMING_SNAKE_CASE			,	)      ->			tuple[dict[T, int], dict[T, T | None]]:
							snake_case_          =						{node: maxsize for node in graph.connections}
							snake_case_          =						{node: None for node in graph.connections}

							snake_case_          =						MinPriorityQueue()
							for node, weight in dist.items():
														priority_queue.push(_SCREAMING_SNAKE_CASE			,	_SCREAMING_SNAKE_CASE			)

							if priority_queue.is_empty():
														return dist, parent

							# initialization
							snake_case_          =						priority_queue.extract_min()
							snake_case_          =						0
							for neighbour in graph.connections[node]:
														if dist[neighbour] > dist[node] + graph.connections[node][neighbour]:
																					snake_case_          =						dist[node] + graph.connections[node][neighbour]
																					priority_queue.update_key(_SCREAMING_SNAKE_CASE			,	dist[neighbour]			)
																					snake_case_          =						node

    # running prim's algorithm
							while not priority_queue.is_empty():
														snake_case_          =						priority_queue.extract_min()
														for neighbour in graph.connections[node]:
																					if dist[neighbour] > dist[node] + graph.connections[node][neighbour]:
																												snake_case_          =						dist[node] + graph.connections[node][neighbour]
																												priority_queue.update_key(_SCREAMING_SNAKE_CASE			,	dist[neighbour]			)
																												snake_case_          =						node
							return dist, parent







"""simple docstring"""
from collections import namedtuple

import requests
from lxml import html  # type: ignore

__SCREAMING_SNAKE_CASE							:      List[str]						=      namedtuple('covid_data', 'cases deaths recovered')







def   _a			( _SCREAMING_SNAKE_CASE = "https://www.worldometers.info/coronavirus/"			)      ->			covid_data:
							snake_case_          =						"""//div[@class = \"maincounter-number\"]/span/text()"""
							return covid_data(*html.fromstring(requests.get(_SCREAMING_SNAKE_CASE			).content			).xpath(_SCREAMING_SNAKE_CASE			)			)


__SCREAMING_SNAKE_CASE							:      List[str]						=      'Total COVID-19 cases in the world: {}\nTotal deaths due to COVID-19 in the world: {}\nTotal COVID-19 patients recovered in the world: {}'





print(fmt.format(*covid_stats()))



