





"""simple docstring"""
import heapq
import sys

import numpy as np

_snake_case     :		Tuple       						= tuple[int, int]






class 					_UpperCAmelCase   :


					def __init__(					self			:List[str]		):
												A		=  []
												A		=  set()


					def 	lowerCamelCase       (					self			:List[str]		):
												if not self.empty():
																			return self.elements[0][0]
												else:
																			return float("inf"		)


					def 	lowerCamelCase       (					self			:Optional[Any]		):
												return len(self.elements		) == 0


					def 	lowerCamelCase       (					self			:Optional[Any]     ,       __UpperCamelCase			:int     ,       __UpperCamelCase			:Any		):
												if item not in self.set:
																			heapq.heappush(self.elements     ,       (priority, item)		)
																			self.set.add(__UpperCamelCase		)
												else:
																			# update
																			# print("update", item)
																			A		=  []
																			((A),	(A))		=  heapq.heappop(self.elements		)
																			while x != item:
																										temp.append((pri, x)		)
																										((A),	(A))		=  heapq.heappop(self.elements		)
																			temp.append((priority, item)		)
																			for pro, xxx in temp:
																										heapq.heappush(self.elements     ,       (pro, xxx)		)


					def 	lowerCamelCase       (					self			:List[Any]     ,       __UpperCamelCase			:Optional[int]		):
												if item in self.set:
																			self.set.remove(__UpperCamelCase		)
																			A		=  []
																			((A),	(A))		=  heapq.heappop(self.elements		)
																			while x != item:
																										temp.append((pro, x)		)
																										((A),	(A))		=  heapq.heappop(self.elements		)
																			for prito, yyy in temp:
																										heapq.heappush(self.elements     ,       (prito, yyy)		)


					def 	lowerCamelCase       (					self			:List[Any]		):
												return self.elements[0][1]


					def 	lowerCamelCase       (					self			:str		):
												((A),	(A))		=  heapq.heappop(self.elements		)
												self.set.remove(__UpperCamelCase		)
												return (priority, item)







def 					A__				(			UpperCamelCase					,  UpperCamelCase       ):
							# euclidean distance
							A		=  np.array(UpperCamelCase       )
							A		=  np.array(UpperCamelCase       )
							return np.linalg.norm(a - b       )






def 					A__				(			UpperCamelCase					,  UpperCamelCase       ):
							# integer division by time variable
							return consistent_heuristic(UpperCamelCase					,  UpperCamelCase       ) // t






def 					A__				(			UpperCamelCase					,  UpperCamelCase       ):
							# manhattan distance
							return abs(p[0] - goal[0]       ) + abs(p[1] - goal[1]       )






def 					A__				(			UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       ):
							A		=  g_function[start] + Wa * heuristics[i](UpperCamelCase					,  UpperCamelCase       )
							return ans






def 					A__				(			UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       ):
							A		=  np.chararray((n, n)       )
							for i in range(UpperCamelCase       ):
														for j in range(UpperCamelCase       ):
																					A		=  "*"

							for i in range(UpperCamelCase       ):
														for j in range(UpperCamelCase       ):
																					if (j, (n - 1) - i) in blocks:
																												A		=  "#"

							A		=  "-"
							A		=  back_pointer[goal]
							while x != start:
														((A),	(A))		=  x
														# print(x)
														A		=  "-"
														A		=  back_pointer[x]
							A		=  "-"

							for i in range(UpperCamelCase       ):
														for j in range(UpperCamelCase       ):
																					if (i, j) == (0, n - 1):
																												print(grid[i][j]					,  end=" "       )
																												print("<-- End position"					,  end=" "       )
																					else:
																												print(grid[i][j]					,  end=" "       )
														print()
							print("^"       )
							print("Start position"       )
							print()
							print("# is an obstacle"       )
							print("- is the path taken by algorithm"       )
							print("PATH TAKEN BY THE ALGORITHM IS:-"       )
							A		=  back_pointer[goal]
							while x != start:
														print(UpperCamelCase					,  end=" "       )
														A		=  back_pointer[x]
							print(UpperCamelCase       )
							sys.exit()






def 					A__				(			UpperCamelCase       ):
							if p[0] < 0 or p[0] > n - 1:
														return False
							if p[1] < 0 or p[1] > n - 1:
														return False
							return True






def 					A__				(			UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  ):
							for itera in range(UpperCamelCase       ):
														open_list[itera].remove_element(UpperCamelCase       )
							# print("s", s)
							# print("j", j)
							((A),	(A))		=  s
							A		=  (x - 1, y)
							A		=  (x + 1, y)
							A		=  (x, y + 1)
							A		=  (x, y - 1)

							for neighbours in [left, right, up, down]:
														if neighbours not in blocks:
																					if valid(UpperCamelCase       ) and neighbours not in visited:
																												# print("neighbour", neighbours)
																												visited.add(UpperCamelCase       )
																												A		=  -1
																												A		=  float("inf"       )

																					if valid(UpperCamelCase       ) and g_function[neighbours] > g_function[s] + 1:
																												A		=  g_function[s] + 1
																												A		=  s
																												if neighbours not in close_list_anchor:
																																			open_list[0].put(UpperCamelCase					,  key(UpperCamelCase					,  0					,  UpperCamelCase					,  UpperCamelCase       )       )
																																			if neighbours not in close_list_inad:
																																										for var in range(1					,  UpperCamelCase       ):
																																																	if key(UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       ) <= Wa * key(
																																																	    UpperCamelCase					,  0					,  UpperCamelCase					,  UpperCamelCase       ):
																																																								open_list[j].put(
																																																								    UpperCamelCase					,  key(UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       )       )






def 					A__				(			):
							A		=  []
							for x in range(1					,  5       ):
														for y in range(1					,  6       ):
																					some_list.append((x, y)       )

							for x in range(15					,  20       ):
														some_list.append((x, 17)       )

							for x in range(10					,  19       ):
														for y in range(1					,  15       ):
																					some_list.append((x, y)       )

    # L block
							for x in range(1					,  4       ):
														for y in range(12					,  19       ):
																					some_list.append((x, y)       )
							for x in range(3					,  13       ):
														for y in range(16					,  19       ):
																					some_list.append((x, y)       )
							return some_list


_snake_case     :		Any       						= {0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

_snake_case     :		List[Any]       						= [
    (0, 1),
    (1, 1),
    (2, 1),
    (3, 1),
    (4, 1),
    (5, 1),
    (6, 1),
    (7, 1),
    (8, 1),
    (9, 1),
    (10, 1),
    (11, 1),
    (12, 1),
    (13, 1),
    (14, 1),
    (15, 1),
    (16, 1),
    (17, 1),
    (18, 1),
    (19, 1),
]
_snake_case     :		int       						= make_common_ground()


_snake_case     :		str       						= blocks_blk
# hyper parameters
_snake_case     :		Tuple       						= 1
_snake_case     :		str       						= 1
_snake_case     :		List[str]       						= 20
_snake_case     :		Any       						= 3  # one consistent and two other inconsistent

# start and end destination
_snake_case     :		Tuple       						= (0, 0)
_snake_case     :		Tuple       						= (n - 1, n - 1)

_snake_case     :		str       						= 1






def 					A__				(			UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       ):
							A		=  {start: 0, goal: float("inf"       )}
							A		=  {start: -1, goal: -1}
							A		=  []
							A		=  set()

							for i in range(UpperCamelCase       ):
														open_list.append(PriorityQueue()       )
														open_list[i].put(UpperCamelCase					,  key(UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       )       )

							A		=  []
							A		=  []
							while open_list[0].minkey() < float("inf"       ):
														for i in range(1					,  UpperCamelCase       ):
																					# print(open_list[0].minkey(), open_list[i].minkey())
																					if open_list[i].minkey() <= Wa * open_list[0].minkey():
																												global t
																												t += 1
																												if g_function[goal] <= open_list[i].minkey():
																																			if g_function[goal] < float("inf"       ):
																																										do_something(UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       )
																												else:
																																			A,	A		=  open_list[i].top_show()
																																			visited.add(UpperCamelCase       )
																																			expand_state(
																																			    UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  )
																																			close_list_inad.append(UpperCamelCase       )
																					else:
																												if g_function[goal] <= open_list[0].minkey():
																																			if g_function[goal] < float("inf"       ):
																																										do_something(UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase       )
																												else:
																																			A		=  open_list[0].top_show()
																																			visited.add(UpperCamelCase       )
																																			expand_state(
																																			    UpperCamelCase					,  0					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  UpperCamelCase					,  )
																																			close_list_anchor.append(UpperCamelCase       )
							print("No path found to goal"       )
							print()
							for i in range(n - 1					,  -1					,  -1       ):
														for j in range(UpperCamelCase       ):
																					if (j, i) in blocks:
																												print("#"					,  end=" "       )
																					elif (j, i) in back_pointer:
																												if (j, i) == (n - 1, n - 1):
																																			print("*"					,  end=" "       )
																												else:
																																			print("-"					,  end=" "       )
																					else:
																												print("*"					,  end=" "       )
																					if (j, i) == (n - 1, n - 1):
																												print("<-- End position"					,  end=" "       )
														print()
							print("^"       )
							print("Start position"       )
							print()
							print("# is an obstacle"       )
							print("- is the path taken by algorithm"       )


if __name__ == "__main__":
		multi_a_star(start, goal, n_heuristic)









"""simple docstring"""
import json
import os
import tempfile

from transformers.testing_utils import check_json_file_has_correct_format






class 					_UpperCAmelCase   :
					UpperCamelCase      =							None


					def 	lowerCamelCase       (					self			:List[Any]		):
												A		=  self.feature_extraction_class(**self.feat_extract_dict		)
												A		=  json.loads(feat_extract.to_json_string()		)
												for key, value in self.feat_extract_dict.items():
																			self.assertEqual(obj[key]     ,       __UpperCamelCase		)


					def 	lowerCamelCase       (					self			:Dict		):
												A		=  self.feature_extraction_class(**self.feat_extract_dict		)

												with tempfile.TemporaryDirectory() as tmpdirname:
																			A		=  os.path.join(__UpperCamelCase     ,       "feat_extract.json"		)
																			feat_extract_first.to_json_file(__UpperCamelCase		)
																			A		=  self.feature_extraction_class.from_json_file(__UpperCamelCase		)

												self.assertEqual(feat_extract_second.to_dict()     ,       feat_extract_first.to_dict()		)


					def 	lowerCamelCase       (					self			:Dict		):
												A		=  self.feature_extraction_class(**self.feat_extract_dict		)

												with tempfile.TemporaryDirectory() as tmpdirname:
																			A		=  feat_extract_first.save_pretrained(__UpperCamelCase		)[0]
																			check_json_file_has_correct_format(__UpperCamelCase		)
																			A		=  self.feature_extraction_class.from_pretrained(__UpperCamelCase		)

												self.assertEqual(feat_extract_second.to_dict()     ,       feat_extract_first.to_dict()		)


					def 	lowerCamelCase       (					self			:Tuple		):
												A		=  self.feature_extraction_class()
												self.assertIsNotNone(__UpperCamelCase		)


