'''simple docstring'''


from typing import Dict, List, Optional

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


__lowerCAmelCase	:       str						       =	logging.get_logger(__name__)


__lowerCAmelCase	:       Optional[int]						       =	{
    "nielsr/canine-s": 2_048,
}

# Unicode defines 1,114,112 total “codepoints”
__lowerCAmelCase	:       str						       =	1_114_112

# Below: Constants defining canonical codepoints for special, pseudo-characters.
# Copied from https://github.com/google-research/language/blob/master/language/canine/special_codepoints.py
__lowerCAmelCase	:       List[str]						       =	0

__lowerCAmelCase	:       Optional[int]						       =	0Xe000
__lowerCAmelCase	:       Optional[int]						       =	0Xe001
__lowerCAmelCase	:       Optional[int]						       =	0Xe002
__lowerCAmelCase	:       Dict						       =	0Xe003
__lowerCAmelCase	:       Optional[int]						       =	0Xe004

# Maps special codepoints to human-readable names.
__lowerCAmelCase	:       Dict[int, str]						       =	{
    # Special symbols are represented using codepoints values that are valid,
    # but designated as "Private Use", meaning that they will never be assigned
    # characters by the Unicode Consortium, and are thus safe for use here.
    #
    # NOTE: Do *NOT* add any sort of [UNK_CHAR] here. They are explicitly
    # excluded and should fail with a hard error.
    CLS: "[CLS]",
    SEP: "[SEP]",
    BOS: "[BOS]",
    MASK: "[MASK]",
    PAD: "[PAD]",
    RESERVED: "[RESERVED]",
}

# Maps special codepoint human-readable names to their codepoint values.
__lowerCAmelCase	:       Dict[str, int]						       =	{name: codepoint for codepoint, name in SPECIAL_CODEPOINTS.items()}






class 						A   (   UpperCAmelCase   ):
							a_        =      PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES





							def __init__(      self				:							List[str]     ,		__a				:							Union[str, Any]=chr(__a	)     ,		__a				:							Optional[int]=chr(__a	)     ,		__a				:							Union[str, Any]=chr(__a	)     ,		__a				:							List[Any]=chr(__a	)     ,		__a				:							Any=chr(__a	)     ,		__a				:							Tuple=chr(__a	)     ,		__a				:							Union[str, Any]=False     ,		__a				:							Optional[int]=2_0_4_8     ,		**__a				:							str     ,		)							->	Tuple:
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else bos_token
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else eos_token
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else sep_token
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else cls_token
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else pad_token

								# Mask token behave like a normal word, i.e. include the space before it
								__UpperCAmelCase							=			AddedToken(__a     ,		lstrip=__a     ,		rstrip=__a	) if isinstance(__a     ,		__a	) else mask_token

								super().__init__(
								    bos_token=__a     ,		eos_token=__a     ,		sep_token=__a     ,		cls_token=__a     ,		pad_token=__a     ,		mask_token=__a     ,		add_prefix_space=__a     ,		model_max_length=__a     ,		**__a     ,		)

								# Creates a mapping for looking up the IDs of special symbols.
								__UpperCAmelCase							=			{}
								for codepoint, name in SPECIAL_CODEPOINTS.items():
									__UpperCAmelCase							=			codepoint

								# Creates a mapping for looking up the string forms of special symbol IDs.
								__UpperCAmelCase							=			{
								    codepoint: name for name, codepoint in self._special_codepoints.items()
								}

								__UpperCAmelCase							=			UNICODE_VOCAB_SIZE
								__UpperCAmelCase							=			len(self._special_codepoints	)





							@property
							def       snake_case__						(      self				:							Union[str, Any]	)							->	int:
								return self._unicode_vocab_size





							def       snake_case__						(      self				:							str     ,		__a				:							str	)							->	List[str]:
								return list(__a	)





							def       snake_case__						(      self				:							Optional[int]     ,		__a				:							str	)							->	int:
								try:
									return ord(__a	)
								except TypeError:
									raise ValueError(f"""invalid token: '{token}'"""	)





							def       snake_case__						(      self				:							List[str]     ,		__a				:							int	)							->	str:
								try:
									if index in SPECIAL_CODEPOINTS:
										return SPECIAL_CODEPOINTS[index]
									return chr(__a	)
								except TypeError:
									raise ValueError(f"""invalid id: {index}"""	)





							def       snake_case__						(      self				:							Any     ,		__a				:							Union[str, Any]	)							->	Optional[int]:
								return "".join(__a	)





							def       snake_case__						(      self				:							List[str]     ,		__a				:							List[int]     ,		__a				:							Optional[List[int]] = None	)							->	List[int]:
								__UpperCAmelCase							=			[self.sep_token_id]
								__UpperCAmelCase							=			[self.cls_token_id]

								__UpperCAmelCase							=			cls + token_ids_a + sep
								if token_ids_a is not None:
									result += token_ids_a + sep
								return result





							def       snake_case__						(      self				:							int     ,		__a				:							List[int]     ,		__a				:							Optional[List[int]] = None     ,		__a				:							bool = False	)							->	List[int]:
								if already_has_special_tokens:
									return super().get_special_tokens_mask(
									    token_ids_a=__a     ,		token_ids_a=__a     ,		already_has_special_tokens=__a	)

								__UpperCAmelCase							=			[1] + ([0] * len(__a	)) + [1]
								if token_ids_a is not None:
									result += ([0] * len(__a	)) + [1]
								return result





							def       snake_case__						(      self				:							Optional[int]     ,		__a				:							List[int]     ,		__a				:							Optional[List[int]] = None	)							->	List[int]:
								__UpperCAmelCase							=			[self.sep_token_id]
								__UpperCAmelCase							=			[self.cls_token_id]

								__UpperCAmelCase							=			len(cls + token_ids_a + sep	) * [0]
								if token_ids_a is not None:
									result += len(token_ids_a + sep	) * [1]
								return result






							def       snake_case__						(      self				:							Optional[Any]     ,		__a				:							str     ,		__a				:							Optional[str] = None	)							->	Any:
								return ()

'''simple docstring'''


import heapq
import sys

import numpy as np

__lowerCAmelCase	:       Any						       =	tuple[int, int]






class 						A   :





							def __init__(      self				:							Optional[int]	)							->	int:
								__UpperCAmelCase							=			[]
								__UpperCAmelCase							=			set()





							def       snake_case__						(      self				:							Optional[Any]	)							->	List[Any]:
								if not self.empty():
									return self.elements[0][0]
								else:
									return float('''inf'''	)





							def       snake_case__						(      self				:							Dict	)							->	Optional[int]:
								return len(self.elements	) == 0





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





							def       snake_case__						(      self				:							int     ,		__a				:							Any	)							->	int:
								if item in self.set:
									self.set.remove(__a	)
									__UpperCAmelCase							=			[]
									((__UpperCAmelCase)				,			(__UpperCAmelCase))							=			heapq.heappop(self.elements	)
									while x != item:
										temp.append((pro, x)	)
										((__UpperCAmelCase)				,			(__UpperCAmelCase))							=			heapq.heappop(self.elements	)
									for prito, yyy in temp:
										heapq.heappush(self.elements     ,		(prito, yyy)	)





							def       snake_case__						(      self				:							List[str]	)							->	Dict:
								return self.elements[0][1]






							def       snake_case__						(      self				:							Any	)							->	List[str]:
								((__UpperCAmelCase)				,			(__UpperCAmelCase))							=			heapq.heappop(self.elements	)
								self.set.remove(__a	)
								return (priority, item)





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   TPos       ):


	"""simple docstring"""
	# euclidean distance
	__UpperCAmelCase							=			np.array(UpperCamelCase__       )
	__UpperCAmelCase							=			np.array(UpperCamelCase__       )
	return np.linalg.norm(a - b       )





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   TPos       ):


	"""simple docstring"""
	# integer division by time variable
	return consistent_heuristic(UpperCamelCase__    ,					UpperCamelCase__       ) // t





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   TPos       ):


	"""simple docstring"""
	# manhattan distance
	return abs(p[0] - goal[0]       ) + abs(p[1] - goal[1]       )





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   int    ,					UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   dict[TPos, float]       ):


	"""simple docstring"""
	__UpperCAmelCase							=			g_function[start] + Wa * heuristics[i](UpperCamelCase__    ,					UpperCamelCase__       )
	return ans





def       lowerCAmelCase					(		UpperCamelCase__				:   List[Any]    ,					UpperCamelCase__				:   int    ,					UpperCamelCase__				:   Optional[int]       ):


	"""simple docstring"""
	__UpperCAmelCase							=			np.chararray((n, n)       )
	for i in range(UpperCamelCase__       ):
		for j in range(UpperCamelCase__       ):
			__UpperCAmelCase							=			'''*'''

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

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

	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:-'''       )
	__UpperCAmelCase							=			back_pointer[goal]
	while x != start:
		print(UpperCamelCase__    ,					end=''' '''       )
		__UpperCAmelCase							=			back_pointer[x]
	print(UpperCamelCase__       )
	sys.exit()





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos       ):


	"""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       lowerCAmelCase					(		UpperCamelCase__				:   Optional[Any]    ,					UpperCamelCase__				:   int    ,					UpperCamelCase__				:   List[Any]    ,					UpperCamelCase__				:   Dict    ,					UpperCamelCase__				:   Dict    ,					UpperCamelCase__				:   Dict    ,					UpperCamelCase__				:   List[Any]    ,					UpperCamelCase__				:   Tuple    ,					):


	"""simple docstring"""
	for itera in range(UpperCamelCase__       ):
		open_list[itera].remove_element(UpperCamelCase__       )
	# print("s", s)
	# print("j", j)
	((__UpperCAmelCase)				,			(__UpperCAmelCase))							=			s
	__UpperCAmelCase							=			(x - 1, y)
	__UpperCAmelCase							=			(x + 1, y)
	__UpperCAmelCase							=			(x, y + 1)
	__UpperCAmelCase							=			(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__       )
				__UpperCAmelCase							=			-1
				__UpperCAmelCase							=			float('''inf'''       )

			if valid(UpperCamelCase__       ) and g_function[neighbours] > g_function[s] + 1:
				__UpperCAmelCase							=			g_function[s] + 1
				__UpperCAmelCase							=			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       lowerCAmelCase					(		):


	"""simple docstring"""
	__UpperCAmelCase							=			[]
	for x in range(1    ,					5       ):
		for y in range(1    ,					6       ):
			some_list.append((x, y)       )

	for x in range(1_5    ,					2_0       ):
		some_list.append((x, 1_7)       )

	for x in range(1_0    ,					1_9       ):
		for y in range(1    ,					1_5       ):
			some_list.append((x, y)       )

    # L block
	for x in range(1    ,					4       ):
		for y in range(1_2    ,					1_9       ):
			some_list.append((x, y)       )
	for x in range(3    ,					1_3       ):
		for y in range(1_6    ,					1_9       ):
			some_list.append((x, y)       )
	return some_list


__lowerCAmelCase	:       Optional[Any]						       =	{0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

__lowerCAmelCase	:       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),
]
__lowerCAmelCase	:       Dict						       =	make_common_ground()


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

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

__lowerCAmelCase	:       Optional[int]						       =	1





def       lowerCAmelCase					(		UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   TPos    ,					UpperCamelCase__				:   int       ):


	"""simple docstring"""
	__UpperCAmelCase							=			{start: 0, goal: float('''inf'''       )}
	__UpperCAmelCase							=			{start: -1, goal: -1}
	__UpperCAmelCase							=			[]
	__UpperCAmelCase							=			set()

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

	__UpperCAmelCase							=			[]
	__UpperCAmelCase							=			[]
	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:
					__UpperCAmelCase				,			__UpperCAmelCase							=			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:
					__UpperCAmelCase							=			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)
