






import logging

from transformers import PretrainedConfig


__UpperCamelCase      :      Union[str, Any]     						=						logging.getLogger(__name__)


__UpperCamelCase      :      Tuple     						=						{
    """bertabs-finetuned-cnndm""": """https://huggingface.co/remi/bertabs-finetuned-cnndm-extractive-abstractive-summarization/resolve/main/config.json""",
}


class        __UpperCamelCase    (     _lowerCAmelCase   ):
	__snake_case	:Tuple   =       'bertabs'







	def __init__(  self      :							Union[str, Any]       ,				_lowerCAmelCase      :							Any=3_0522       ,				_lowerCAmelCase      :							Optional[Any]=512       ,				_lowerCAmelCase      :							str=6       ,				_lowerCAmelCase      :							Union[str, Any]=512       ,				_lowerCAmelCase      :							List[str]=8       ,				_lowerCAmelCase      :							Any=512       ,				_lowerCAmelCase      :							Any=0.2       ,				_lowerCAmelCase      :							Union[str, Any]=6       ,				_lowerCAmelCase      :							Dict=768       ,				_lowerCAmelCase      :							List[Any]=8       ,				_lowerCAmelCase      :							str=2048       ,				_lowerCAmelCase      :							int=0.2       ,				**_lowerCAmelCase      :							List[str]       ,				)		-> Tuple:
		"""simple docstring"""







		super().__init__(**_lowerCAmelCase			)

		__lowercase             =  vocab_size
		__lowercase             =  max_pos

		__lowercase             =  enc_layers
		__lowercase             =  enc_hidden_size
		__lowercase             =  enc_heads
		__lowercase             =  enc_ff_size
		__lowercase             =  enc_dropout

		__lowercase             =  dec_layers
		__lowercase             =  dec_hidden_size
		__lowercase             =  dec_heads
		__lowercase             =  dec_ff_size
		__lowercase             =  dec_dropout









import heapq
import sys

import numpy as np

__UpperCamelCase      :      List[str]     						=						tuple[int, int]


class        __UpperCamelCase    :







	def __init__(  self      :							Optional[int]			)		-> Dict:
		"""simple docstring"""







		__lowercase             =  []
		__lowercase             =  set()







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







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







	def  _a   (  self      :							Dict			)		-> Optional[Any]:
		"""simple docstring"""







		return len(self.elements			) == 0







	def  _a   (  self      :							str       ,				_lowerCAmelCase      :							Union[str, Any]       ,				_lowerCAmelCase      :							Optional[Any]			)		-> Dict:
		"""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)       ,						(__lowercase))             =  heapq.heappop(self.elements			)
			while x != item:
				temp.append((pri, x)			)
				((__lowercase)       ,						(__lowercase))             =  heapq.heappop(self.elements			)
			temp.append((priority, item)			)
			for pro, xxx in temp:
				heapq.heappush(self.elements       ,				(pro, xxx)			)







	def  _a   (  self      :							List[str]       ,				_lowerCAmelCase      :							Optional[Any]			)		-> Dict:
		"""simple docstring"""







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







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







		return self.elements[0][1]







	def  _a   (  self      :							Optional[int]			)		-> List[Any]:
		"""simple docstring"""







		((__lowercase)       ,						(__lowercase))             =  heapq.heappop(self.elements			)
		self.set.remove(_lowerCAmelCase			)
		return (priority, item)





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	__lowercase             =  np.array(lowerCamelCase					)
	__lowercase             =  np.array(lowerCamelCase					)
	return np.linalg.norm(a - b					)





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	return consistent_heuristic(lowerCamelCase				,  lowerCamelCase					) // t





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	return abs(p[0] - goal[0]					) + abs(p[1] - goal[1]					)





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	__lowercase             =  g_function[start] + Wa * heuristics[i](lowerCamelCase				,  lowerCamelCase					)
	return ans





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	__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)       ,						(__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 				snake_case  (     lowerCamelCase					):




	'''simple docstring'''







	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 				snake_case  (     lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase				,  ):




	'''simple docstring'''







	for itera in range(lowerCamelCase					):
		open_list[itera].remove_element(lowerCamelCase					)
	# print("s", s)
	# print("j", j)
	((__lowercase)       ,						(__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 				snake_case  (     ):




	'''simple docstring'''







	__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


__UpperCamelCase      :      Optional[int]     						=						{0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

__UpperCamelCase      :      Optional[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),
]
__UpperCamelCase      :      Optional[Any]     						=						make_common_ground()


__UpperCamelCase      :      Dict     						=						blocks_blk
# hyper parameters
__UpperCamelCase      :      Union[str, Any]     						=						1
__UpperCamelCase      :      Union[str, Any]     						=						1
__UpperCamelCase      :      Optional[int]     						=						20
__UpperCamelCase      :      List[str]     						=						3  # one consistent and two other inconsistent

# start and end destination
__UpperCamelCase      :      str     						=						(0, 0)
__UpperCamelCase      :      str     						=						(n - 1, n - 1)

__UpperCamelCase      :      Optional[Any]     						=						1





def 				snake_case  (     lowerCamelCase				,  lowerCamelCase				,  lowerCamelCase					):




	'''simple docstring'''







	__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       ,						__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)

