




from __future__ import annotations

import time

_lowerCamelCase      			=						list[tuple[int, int]]

_lowerCamelCase      			=						[
    [0, 0, 0, 0, 0, 0, 0],
    [0, 1, 0, 0, 0, 0, 0],  # 0 are free path whereas 1's are obstacles
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 1, 0, 0, 0, 0],
    [1, 0, 1, 0, 0, 0, 0],
    [0, 0, 0, 0, 0, 0, 0],
    [0, 0, 0, 0, 1, 0, 0],
]

_lowerCamelCase      			=						[[-1, 0], [0, -1], [1, 0], [0, 1]]  # up, left, down, right



class       a					:

     '''simple docstring'''





     def __init__(     self       :      Optional[int] ,   __snake_case       :      int ,   __snake_case       :      int ,   __snake_case       :      int ,   __snake_case       :      int ,   __snake_case       :      Node | None    ):
         UpperCAmelCase_										=					pos_x
         UpperCAmelCase_										=					pos_y
         UpperCAmelCase_										=					(pos_y, pos_x)
         UpperCAmelCase_										=					goal_x
         UpperCAmelCase_										=					goal_y
         UpperCAmelCase_										=					parent



class       a					:

     '''simple docstring'''





     def __init__(     self       :      List[Any] ,   __snake_case       :      tuple[int, int] ,   __snake_case       :      tuple[int, int]    ):
         UpperCAmelCase_										=					Node(start[1] ,   start[0] ,   goal[1] ,   goal[0] ,   __snake_case    )
         UpperCAmelCase_										=					Node(goal[1] ,   goal[0] ,   goal[1] ,   goal[0] ,   __snake_case    )

         UpperCAmelCase_										=					[self.start]
         UpperCAmelCase_										=					False
     def   lowerCamelCase_       (     self       :      int    ):
         while self.node_queue:
             UpperCAmelCase_										=					self.node_queue.pop(0    )

             if current_node.pos == self.target.pos:
                 UpperCAmelCase_										=					True
                 return self.retrace_path(__snake_case    )

             UpperCAmelCase_										=					self.get_successors(__snake_case    )

             for node in successors:
                 self.node_queue.append(__snake_case    )

         if not self.reached:
             return [self.start.pos]
         return None
     def   lowerCamelCase_       (     self       :      Dict ,   __snake_case       :      Node    ):
         UpperCAmelCase_										=					[]
         for action in delta:
             UpperCAmelCase_										=					parent.pos_x + action[1]
             UpperCAmelCase_										=					parent.pos_y + action[0]
             if not (0 <= pos_x <= len(grid[0]    ) - 1 and 0 <= pos_y <= len(__snake_case    ) - 1):
                 continue

             if grid[pos_y][pos_x] != 0:
                 continue

             successors.append(
                 Node(__snake_case ,   __snake_case ,   self.target.pos_y ,   self.target.pos_x ,   __snake_case    )    )
         return successors




     def   lowerCamelCase_       (     self       :      Union[str, Any] ,   __snake_case       :      Node | None    ):
         UpperCAmelCase_										=					node
         UpperCAmelCase_										=					[]
         while current_node is not None:
             path.append((current_node.pos_y, current_node.pos_x)    )
             UpperCAmelCase_										=					current_node.parent
         path.reverse()
         return path



class       a					:

     '''simple docstring'''





     def __init__(     self       :      Union[str, Any] ,   __snake_case       :      Optional[Any] ,   __snake_case       :      Any    ):
         UpperCAmelCase_										=					BreadthFirstSearch(__snake_case ,   __snake_case    )
         UpperCAmelCase_										=					BreadthFirstSearch(__snake_case ,   __snake_case    )
         UpperCAmelCase_										=					False
     def   lowerCamelCase_       (     self       :      str    ):
         while self.fwd_bfs.node_queue or self.bwd_bfs.node_queue:
             UpperCAmelCase_										=					self.fwd_bfs.node_queue.pop(0    )
             UpperCAmelCase_										=					self.bwd_bfs.node_queue.pop(0    )

             if current_bwd_node.pos == current_fwd_node.pos:
                 UpperCAmelCase_										=					True
                 return self.retrace_bidirectional_path(
                     __snake_case ,   __snake_case    )

             UpperCAmelCase_										=					current_bwd_node
             UpperCAmelCase_										=					current_fwd_node

             UpperCAmelCase_										=					{
                 self.fwd_bfs: self.fwd_bfs.get_successors(__snake_case    ),
                 self.bwd_bfs: self.bwd_bfs.get_successors(__snake_case    ),
             }

             for bfs in [self.fwd_bfs, self.bwd_bfs]:
                 for node in successors[bfs]:
                     bfs.node_queue.append(__snake_case    )

         if not self.reached:
             return [self.fwd_bfs.start.pos]
         return None




     def   lowerCamelCase_       (     self       :      Optional[Any] ,   __snake_case       :      Node ,   __snake_case       :      Node    ):
         UpperCAmelCase_										=					self.fwd_bfs.retrace_path(__snake_case    )
         UpperCAmelCase_										=					self.bwd_bfs.retrace_path(__snake_case    )
         bwd_path.pop()
         bwd_path.reverse()
         UpperCAmelCase_										=					fwd_path + bwd_path
         return path


if __name__ == "__main__":
 # all coordinates are given in format [y,x]
 import doctest

 doctest.testmod()
 _lowerCamelCase      			=						(0, 0)
 _lowerCamelCase      			=						(len(grid) - 1, len(grid[0]) - 1)
 for elem in grid:
  print(elem)

 _lowerCamelCase      			=						time.time()
 _lowerCamelCase      			=						BreadthFirstSearch(init, goal)
 _lowerCamelCase      			=						bfs.search()
 _lowerCamelCase      			=						time.time() - start_bfs_time

 print('Unidirectional BFS computation time : ', bfs_time)

 _lowerCamelCase      			=						time.time()
 _lowerCamelCase      			=						BidirectionalBreadthFirstSearch(init, goal)
 _lowerCamelCase      			=						bd_bfs.search()
 _lowerCamelCase      			=						time.time() - start_bd_bfs_time

 print('Bidirectional BFS computation time : ', bd_bfs_time)











import copy
from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import Audio, ClassLabel, Features
from .base import TaskTemplate



@dataclass(frozen=_A      )
class       a					(       _A      ):

     '''simple docstring'''





     lowerCAmelCase    :	str       		=  field(default='audio-classification'     ,       metadata={'include_in_asdict_even_if_is_default': True}      )
     lowerCAmelCase    :	ClassVar[Features]       		=  Features({'audio': Audio()}      )
     lowerCAmelCase    :	ClassVar[Features]       		=  Features({'labels': ClassLabel}      )
     lowerCAmelCase    :	str       		=  "audio"
     lowerCAmelCase    :	str       		=  "labels"
     def   lowerCamelCase_       (     self       :      Optional[Any] ,   __snake_case       :      List[Any]    ):
         if self.label_column not in features:
             raise ValueError(F'Column {self.label_column} is not present in features.'    )
         if not isinstance(features[self.label_column] ,   __snake_case    ):
             raise ValueError(F'Column {self.label_column} is not a ClassLabel.'    )
         UpperCAmelCase_										=					copy.deepcopy(self    )
         UpperCAmelCase_										=					self.label_schema.copy()
         UpperCAmelCase_										=					features[self.label_column]
         UpperCAmelCase_										=					label_schema
         return task_template




     @property
     def   lowerCamelCase_       (     self       :      Tuple    ):
         return {
             self.audio_column: "audio",
             self.label_column: "labels",
         }





