



import heapq
import sys

import numpy as np

lowercase_      :				int   					=    tuple[int, int]




class      __UpperCamelCase       :







	def __init__(    self						)    ->    Optional[Any]:
							'''simple docstring'''






							lowercase        =							[]
							lowercase        =							set()







	def   _a   (    self						)    ->    int:
							'''simple docstring'''






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







	def   _a   (    self						)    ->    List[Any]:
							'''simple docstring'''






							return len(self.elements						) == 0







	def   _a   (    self ,				_lowerCAmelCase ,				_lowerCAmelCase						)    ->    Union[str, Any]:
							'''simple docstring'''






							if item not in self.set:
													heapq.heappush(self.elements ,				(priority, item)						)
													self.set.add(__lowerCamelCase						)
							else:
													# update
													# print("update", item)
													lowercase        =							[]
													(lowercase)        =							heapq.heappop(self.elements						)
													while x != item:
																			temp.append((pri, x)						)
																			(lowercase)        =							heapq.heappop(self.elements						)
													temp.append((priority, item)						)
													for pro, xxx in temp:
																			heapq.heappush(self.elements ,				(pro, xxx)						)







	def   _a   (    self ,				_lowerCAmelCase						)    ->    Optional[int]:
							'''simple docstring'''






							if item in self.set:
													self.set.remove(__lowerCamelCase						)
													lowercase        =							[]
													(lowercase)        =							heapq.heappop(self.elements						)
													while x != item:
																			temp.append((pro, x)						)
																			(lowercase)        =							heapq.heappop(self.elements						)
													for prito, yyy in temp:
																			heapq.heappush(self.elements ,				(prito, yyy)						)







	def   _a   (    self						)    ->    List[Any]:
							'''simple docstring'''






							return self.elements[0][1]







	def   _a   (    self						)    ->    Any:
							'''simple docstring'''






							(lowercase)        =							heapq.heappop(self.elements						)
							self.set.remove(__lowerCamelCase						)
							return (priority, item)







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos ,  lowercase_    :      TPos						):
						lowercase        =							np.array(lowerCamelCase_						)
						lowercase        =							np.array(lowerCamelCase_						)
						return np.linalg.norm(a - b						)







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos ,  lowercase_    :      TPos						):
						return consistent_heuristic(lowerCamelCase_ ,  lowerCamelCase_						) // t







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos ,  lowercase_    :      TPos						):
						return abs(p[0] - goal[0]						) + abs(p[1] - goal[1]						)







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos ,  lowercase_    :      int ,  lowercase_    :      TPos ,  lowercase_    :      dict[TPos, float]						):
						lowercase        =							g_function[start] + Wa * heuristics[i](lowerCamelCase_ ,  lowerCamelCase_						)
						return ans







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      Tuple ,  lowercase_    :      Optional[int] ,  lowercase_    :      Optional[Any]						):
						lowercase        =							np.chararray((n, n)						)
						for i in range(lowerCamelCase_						):
												for j in range(lowerCamelCase_						):
																		lowercase        =							'''*'''

						for i in range(lowerCamelCase_						):
												for j in range(lowerCamelCase_						):
																		if (j, (n - 1) - i) in blocks:
																								lowercase        =							'''#'''

						lowercase        =							'''-'''
						lowercase        =							back_pointer[goal]
						while x != start:
												(lowercase)        =							x
												# print(x)
												lowercase        =							'''-'''
												lowercase        =							back_pointer[x]
						lowercase        =							'''-'''

						for i in range(lowerCamelCase_						):
												for j in range(lowerCamelCase_						):
																		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:-"""						)
						lowercase        =							back_pointer[goal]
						while x != start:
												print(lowerCamelCase_ ,  end=""" """						)
												lowercase        =							back_pointer[x]
						print(lowerCamelCase_						)
						sys.exit()







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos						):

						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      SCREAMING_SNAKE_CASE				(				lowercase_    :      List[Any] ,  lowercase_    :      int ,  lowercase_    :      List[Any] ,  lowercase_    :      List[Any] ,  lowercase_    :      Tuple ,  lowercase_    :      Union[str, Any] ,  lowercase_    :      List[Any] ,  lowercase_    :      Optional[Any] ,  ):

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

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

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







def      SCREAMING_SNAKE_CASE				(				):
						lowercase        =							[]
						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


lowercase_      :				Dict   					=    {0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

lowercase_      :				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),
]
lowercase_      :				Optional[int]   					=    make_common_ground()


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

# start and end destination
lowercase_      :				Optional[int]   					=    (0, 0)
lowercase_      :				Optional[int]   					=    (n - 1, n - 1)

lowercase_      :				Union[str, Any]   					=    1







def      SCREAMING_SNAKE_CASE				(				lowercase_    :      TPos ,  lowercase_    :      TPos ,  lowercase_    :      int						):
						lowercase        =							{start: 0, goal: float("""inf"""						)}
						lowercase        =							{start: -1, goal: -1}
						lowercase        =							[]
						lowercase        =							set()

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

						lowercase        =							[]
						lowercase        =							[]
						while open_list[0].minkey() < float("""inf"""						):
												for i in range(1 ,  lowerCamelCase_						):
																		# 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(lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_						)
																								else:
																														lowercase        =							open_list[i].top_show()
																														visited.add(lowerCamelCase_						)
																														expand_state(
																														    lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  )
																														close_list_inad.append(lowerCamelCase_						)
																		else:
																								if g_function[goal] <= open_list[0].minkey():
																														if g_function[goal] < float("""inf"""						):
																																				do_something(lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_						)
																								else:
																														lowercase        =							open_list[0].top_show()
																														visited.add(lowerCamelCase_						)
																														expand_state(
																														    lowerCamelCase_ ,  0 ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  lowerCamelCase_ ,  )
																														close_list_anchor.append(lowerCamelCase_						)
						print("""No path found to goal"""						)
						print()
						for i in range(n - 1 ,  -1 ,  -1						):
												for j in range(lowerCamelCase_						):
																		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'''


from ... import PretrainedConfig


lowercase_      :				int   					=    {
    '''sijunhe/nezha-cn-base''': '''https://huggingface.co/sijunhe/nezha-cn-base/resolve/main/config.json''',
}




class      __UpperCamelCase       (_UpperCAmelCase			):
	__A			  =					NEZHA_PRETRAINED_CONFIG_ARCHIVE_MAP
	__A			  =					'''nezha'''







	def __init__(    self ,				_lowerCAmelCase=2_1128 ,				_lowerCAmelCase=768 ,				_lowerCAmelCase=12 ,				_lowerCAmelCase=12 ,				_lowerCAmelCase=3072 ,				_lowerCAmelCase="gelu" ,				_lowerCAmelCase=0.1 ,				_lowerCAmelCase=0.1 ,				_lowerCAmelCase=512 ,				_lowerCAmelCase=64 ,				_lowerCAmelCase=2 ,				_lowerCAmelCase=0.02 ,				_lowerCAmelCase=1E-12 ,				_lowerCAmelCase=0.1 ,				_lowerCAmelCase=0 ,				_lowerCAmelCase=2 ,				_lowerCAmelCase=3 ,				_lowerCAmelCase=True ,				**_lowerCAmelCase ,				)    ->    int:
							'''simple docstring'''






							super().__init__(pad_token_id=_lowerCAmelCase ,				bos_token_id=_lowerCAmelCase ,				eos_token_id=_lowerCAmelCase ,				**_lowerCAmelCase						)

							lowercase        =							vocab_size
							lowercase        =							hidden_size
							lowercase        =							num_hidden_layers
							lowercase        =							num_attention_heads
							lowercase        =							hidden_act
							lowercase        =							intermediate_size
							lowercase        =							hidden_dropout_prob
							lowercase        =							attention_probs_dropout_prob
							lowercase        =							max_position_embeddings
							lowercase        =							max_relative_position
							lowercase        =							type_vocab_size
							lowercase        =							initializer_range
							lowercase        =							layer_norm_eps
							lowercase        =							classifier_dropout
							lowercase        =							use_cache


