




import heapq
import sys

import numpy as np

UpperCAmelCase_		:				int									=       tuple[int, int]




class 		__A      :

						def __init__(		self   :Optional[int] ):
										'''simple docstring'''

										__magic_name__	:	Union[str, Any]								=[]
										__magic_name__	:	List[str]								=set()

						def     A__						(		self   :str ):
										'''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   :str    , __snake_case   :Optional[int]    , __snake_case   :Dict ):
										'''simple docstring'''

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

						def     A__						(		self   :int    , __snake_case   :str ):
										'''simple docstring'''

										if item in self.set:
														self.set.remove(lowercase__ )
														__magic_name__	:	List[str]								=[]
														(__magic_name__)	:	List[Any]								=heapq.heappop(self.elements )
														while x != item:
																		temp.append((pro, x) )
																		(__magic_name__)	:	int								=heapq.heappop(self.elements )
														for prito, yyy in temp:
																		heapq.heappush(self.elements    , (prito, yyy) )

						def     A__						(		self   :int ):
										'''simple docstring'''

										return self.elements[0][1]


						def     A__						(		self   :List[str] ):
										'''simple docstring'''

										(__magic_name__)	:	Dict								=heapq.heappop(self.elements )
										self.set.remove(lowercase__ )
										return (priority, item)




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase   ):
				__magic_name__	:	Optional[Any]								=np.array(SCREAMING_SNAKE_CASE__   )
				__magic_name__	:	Tuple								=np.array(SCREAMING_SNAKE_CASE__   )
				return np.linalg.norm(a - b   )




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase   ):
				return consistent_heuristic(SCREAMING_SNAKE_CASE__	,     SCREAMING_SNAKE_CASE__   ) // t




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase   ):
				return abs(p[0] - goal[0]   ) + abs(p[1] - goal[1]   )




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				__magic_name__	:	int								=g_function[start] + Wa * heuristics[i](SCREAMING_SNAKE_CASE__	,     SCREAMING_SNAKE_CASE__   )
				return ans




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				__magic_name__	:	Optional[Any]								=np.chararray((n, n)   )
				for i in range(SCREAMING_SNAKE_CASE__   ):
								for j in range(SCREAMING_SNAKE_CASE__   ):
												__magic_name__	:	Dict								="""*"""

				for i in range(SCREAMING_SNAKE_CASE__   ):
								for j in range(SCREAMING_SNAKE_CASE__   ):
												if (j, (n - 1) - i) in blocks:
																__magic_name__	:	Dict								="""#"""

				__magic_name__	:	Dict								="""-"""
				__magic_name__	:	List[Any]								=back_pointer[goal]
				while x != start:
								(__magic_name__)	:	Union[str, Any]								=x
								# print(x)
								__magic_name__	:	List[Any]								="""-"""
								__magic_name__	:	Optional[Any]								=back_pointer[x]
				__magic_name__	:	Optional[int]								="""-"""

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




def 		lowerCAmelCase_   (	lowerCamelCase   ):





				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_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase	,     ):





				for itera in range(SCREAMING_SNAKE_CASE__   ):
								open_list[itera].remove_element(SCREAMING_SNAKE_CASE__   )
				# print("s", s)
				# print("j", j)
				(__magic_name__)	:	Optional[Any]								=s
				__magic_name__	:	Union[str, Any]								=(x - 1, y)
				__magic_name__	:	Any								=(x + 1, y)
				__magic_name__	:	Tuple								=(x, y + 1)
				__magic_name__	:	int								=(x, y - 1)

				for neighbours in [left, right, up, down]:
								if neighbours not in blocks:
												if valid(SCREAMING_SNAKE_CASE__   ) and neighbours not in visited:
																# print("neighbour", neighbours)
																visited.add(SCREAMING_SNAKE_CASE__   )
																__magic_name__	:	Dict								=-1
																__magic_name__	:	Union[str, Any]								=float("""inf"""   )

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




def 		lowerCAmelCase_   (	):
				__magic_name__	:	int								=[]
				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_		:				int									=       {0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

UpperCAmelCase_		:				Tuple									=       [
    (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[int]									=       make_common_ground()


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

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

UpperCAmelCase_		:				List[Any]									=       1




def 		lowerCAmelCase_   (	lowerCamelCase	,     lowerCamelCase	,     lowerCamelCase   ):
				__magic_name__	:	Tuple								={start: 0, goal: float("""inf"""   )}
				__magic_name__	:	Tuple								={start: -1, goal: -1}
				__magic_name__	:	int								=[]
				__magic_name__	:	str								=set()

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

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










import json
import os
import unittest

from transformers.models.blenderbot_small.tokenization_blenderbot_small import (
    VOCAB_FILES_NAMES,
    BlenderbotSmallTokenizer,
)

from ...test_tokenization_common import TokenizerTesterMixin




class 		__A      (			UpperCamelCase__					,						unittest.TestCase			):
						UpperCamelCase     						=					BlenderbotSmallTokenizer
						UpperCamelCase     						=					False

						def     A__						(		self   :Dict ):
										'''simple docstring'''

										super().setUp()

										__magic_name__	:	Tuple								=["""__start__""", """adapt""", """act""", """ap@@""", """te""", """__end__""", """__unk__"""]
										__magic_name__	:	Optional[Any]								=dict(zip(__snake_case    , range(len(__snake_case ) ) ) )

										__magic_name__	:	List[Any]								=["""#version: 0.2""", """a p""", """t e</w>""", """ap t</w>""", """a d""", """ad apt</w>""", """a c""", """ac t</w>""", """"""]
										__magic_name__	:	int								={"""unk_token""": """__unk__""", """bos_token""": """__start__""", """eos_token""": """__end__"""}

										__magic_name__	:	Dict								=os.path.join(self.tmpdirname    , VOCAB_FILES_NAMES["""vocab_file"""] )
										__magic_name__	:	int								=os.path.join(self.tmpdirname    , VOCAB_FILES_NAMES["""merges_file"""] )
										with open(self.vocab_file    , """w"""    , encoding="""utf-8""" ) as fp:
														fp.write(json.dumps(__snake_case ) + """\n""" )
										with open(self.merges_file    , """w"""    , encoding="""utf-8""" ) as fp:
														fp.write("""\n""".join(__snake_case ) )

						def     A__						(		self   :Union[str, Any]    , **__snake_case   :Optional[int] ):
										'''simple docstring'''

										kwargs.update(self.special_tokens_map )
										return BlenderbotSmallTokenizer.from_pretrained(self.tmpdirname    , **__snake_case )

						def     A__						(		self   :str    , __snake_case   :List[Any] ):
										'''simple docstring'''

										__magic_name__	:	Any								="""adapt act apte"""
										__magic_name__	:	str								="""adapt act apte"""
										return input_text, output_text

						def     A__						(		self   :List[str] ):
										'''simple docstring'''

										__magic_name__	:	Tuple								=BlenderbotSmallTokenizer(self.vocab_file    , self.merges_file    , **self.special_tokens_map )
										__magic_name__	:	List[str]								="""adapt act apte"""
										__magic_name__	:	Optional[int]								=["""adapt""", """act""", """ap@@""", """te"""]
										__magic_name__	:	List[Any]								=tokenizer.tokenize(__snake_case )
										self.assertListEqual(__snake_case    , __snake_case )

										__magic_name__	:	int								=[tokenizer.bos_token] + tokens + [tokenizer.eos_token]

										__magic_name__	:	Any								=[0, 1, 2, 3, 4, 5]
										self.assertListEqual(tokenizer.convert_tokens_to_ids(__snake_case )    , __snake_case )

						def     A__						(		self   :Optional[int] ):
										'''simple docstring'''

										__magic_name__	:	Any								=BlenderbotSmallTokenizer.from_pretrained("""facebook/blenderbot-90M""" )
										assert tok("""sam""" ).input_ids == [13_84]
										__magic_name__	:	Tuple								="""I am a small frog."""
										__magic_name__	:	Tuple								=tok([src_text]    , padding=__snake_case    , truncation=__snake_case )["""input_ids"""]
										__magic_name__	:	Optional[Any]								=tok.batch_decode(__snake_case    , skip_special_tokens=__snake_case    , clean_up_tokenization_spaces=__snake_case )[0]
										assert src_text != decoded  # I wish it did!
										assert decoded == "i am a small frog ."


						def     A__						(		self   :Optional[Any] ):
										'''simple docstring'''

										__magic_name__	:	List[Any]								=BlenderbotSmallTokenizer.from_pretrained("""facebook/blenderbot-90M""" )
										__magic_name__	:	int								="""I am a small frog ."""
										__magic_name__	:	List[Any]								="""."""
										__magic_name__	:	List[str]								=tok(__snake_case )["""input_ids"""]
										__magic_name__	:	List[str]								=tok(__snake_case )["""input_ids"""]

										assert encoded[-1] == encoded_dot[0]




