import heapq
import sys

import numpy as np

A   :     Dict       =				tuple[int, int]


class      lowerCamelCase    :
  """simple docstring"""







  def __init__(							self       :				List[str]      )     ->		List[str]:
        SCREAMING_SNAKE_CASE_      =     []
        SCREAMING_SNAKE_CASE_      =     set()







  def       __A   (							self       :				Any      )     ->		Tuple:
        if not self.empty():
              return self.elements[0][0]
        else:
              return float("inf"      )







  def       __A   (							self       :				int      )     ->		List[Any]:
        return len(self.elements      ) == 0







  def       __A   (							self       :				List[Any]     ,   __magic_name__       :				int     ,   __magic_name__       :				List[str]      )     ->		List[str]:
        if item not in self.set:
              heapq.heappush(self.elements     ,   (priority, item)      )
              self.set.add(__magic_name__      )
        else:
              # update
              # print("update", item)
              SCREAMING_SNAKE_CASE_      =     []
              ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     heapq.heappop(self.elements      )
              while x != item:
                    temp.append((pri, x)      )
                    ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     heapq.heappop(self.elements      )
              temp.append((priority, item)      )
              for pro, xxx in temp:
                    heapq.heappush(self.elements     ,   (pro, xxx)      )







  def       __A   (							self       :				List[str]     ,   __magic_name__       :				Optional[Any]      )     ->		Optional[Any]:
        if item in self.set:
              self.set.remove(__magic_name__      )
              SCREAMING_SNAKE_CASE_      =     []
              ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     heapq.heappop(self.elements      )
              while x != item:
                    temp.append((pro, x)      )
                    ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     heapq.heappop(self.elements      )
              for prito, yyy in temp:
                    heapq.heappush(self.elements     ,   (prito, yyy)      )







  def       __A   (							self       :				Optional[Any]      )     ->		str:
        return self.elements[0][1]







  def       __A   (							self       :				List[Any]      )     ->		List[str]:
        ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     heapq.heappop(self.elements      )
        self.set.remove(__magic_name__      )
        return (priority, item)



def    a__       (						__UpperCamelCase   ,					__UpperCamelCase ):
      # euclidean distance
      SCREAMING_SNAKE_CASE_      =     np.array(__UpperCamelCase )
      SCREAMING_SNAKE_CASE_      =     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 ):
      SCREAMING_SNAKE_CASE_      =     g_function[start] + Wa * heuristics[i](__UpperCamelCase   ,					__UpperCamelCase )
      return ans


def    a__       (						__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase ):
      SCREAMING_SNAKE_CASE_      =     np.chararray((n, n) )
      for i in range(__UpperCamelCase ):
            for j in range(__UpperCamelCase ):
                  SCREAMING_SNAKE_CASE_      =     "*"

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

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

      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:-" )
      SCREAMING_SNAKE_CASE_      =     back_pointer[goal]
      while x != start:
            print(__UpperCamelCase   ,					end=" " )
            SCREAMING_SNAKE_CASE_      =     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)
      ((SCREAMING_SNAKE_CASE_)   ,       (SCREAMING_SNAKE_CASE_))      =     s
      SCREAMING_SNAKE_CASE_      =     (x - 1, y)
      SCREAMING_SNAKE_CASE_      =     (x + 1, y)
      SCREAMING_SNAKE_CASE_      =     (x, y + 1)
      SCREAMING_SNAKE_CASE_      =     (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 )
                        SCREAMING_SNAKE_CASE_      =     -1
                        SCREAMING_SNAKE_CASE_      =     float("inf" )

                  if valid(__UpperCamelCase ) and g_function[neighbours] > g_function[s] + 1:
                        SCREAMING_SNAKE_CASE_      =     g_function[s] + 1
                        SCREAMING_SNAKE_CASE_      =     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__       (						):
      SCREAMING_SNAKE_CASE_      =     []
      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


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

A   :     Optional[int]       =				[
    (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),
]
A   :     Union[str, Any]       =				make_common_ground()


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

# start and end destination
A   :     Any       =				(0, 0)
A   :     int       =				(n - 1, n - 1)

A   :     Union[str, Any]       =				1


def    a__       (						__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase ):
      SCREAMING_SNAKE_CASE_      =     {start: 0, goal: float("inf" )}
      SCREAMING_SNAKE_CASE_      =     {start: -1, goal: -1}
      SCREAMING_SNAKE_CASE_      =     []
      SCREAMING_SNAKE_CASE_      =     set()

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

      SCREAMING_SNAKE_CASE_      =     []
      SCREAMING_SNAKE_CASE_      =     []
      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:
                              SCREAMING_SNAKE_CASE_   ,       SCREAMING_SNAKE_CASE_      =     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:
                              SCREAMING_SNAKE_CASE_      =     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)



import contextlib
import importlib
import io
import unittest

import transformers

# Try to import everything from transformers to ensure every object can be loaded.
from transformers import *  # noqa F406
from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, require_flax, require_tf, require_torch
from transformers.utils import ContextManagers, find_labels, is_flax_available, is_tf_available, is_torch_available


if is_torch_available():
      from transformers import BertForPreTraining, BertForQuestionAnswering, BertForSequenceClassification

if is_tf_available():
      from transformers import TFBertForPreTraining, TFBertForQuestionAnswering, TFBertForSequenceClassification

if is_flax_available():
      from transformers import FlaxBertForPreTraining, FlaxBertForQuestionAnswering, FlaxBertForSequenceClassification


A   :     Tuple       =				DUMMY_UNKNOWN_IDENTIFIER
# An actual model hosted on huggingface.co

A   :     Dict       =				"main"
# Default branch name
A   :     List[str]       =				"f2c752cfc5c0ab6f4bdec59acea69eefbee381c2"
# One particular commit (not the top of `main`)
A   :     Tuple       =				"aaaaaaa"
# This commit does not exist, so we should 404.

A   :     int       =				"d9e9f15bc825e4b2c9249e9578f884bbcb5e3684"
# Sha-1 of config.json on the top of `main`, for checking purposes
A   :     Tuple       =				"4b243c475af8d0a7754e87d7d096c92e5199ec2fe168a2ee7998e3b8e9bcb1d3"


@contextlib.contextmanager
def    a__       (						):
      print("Welcome!" )
      yield
      print("Bye!" )


@contextlib.contextmanager
def    a__       (						):
      print("Bonjour!" )
      yield
      print("Au revoir!" )


class      lowerCamelCase    (unittest.TestCase    ):
  """simple docstring"""







  def       __A   (							self       :				Union[str, Any]      )     ->		Any:
        # If the spec is missing, importlib would not be able to import the module dynamically.
        assert transformers.__spec__ is not None
        assert importlib.util.find_spec("transformers"      ) is not None



class      lowerCamelCase    (unittest.TestCase    ):
  """simple docstring"""







  @unittest.mock.patch("sys.stdout"     ,   new_callable=io.StringIO      )
  def       __A   (							self       :				Tuple     ,   __magic_name__       :				Union[str, Any]      )     ->		Union[str, Any]:
        with ContextManagers([]      ):
              print("Transformers are awesome!"      )
        # The print statement adds a new line at the end of the output
        self.assertEqual(mock_stdout.getvalue()     ,   "Transformers are awesome!\n"      )







  @unittest.mock.patch("sys.stdout"     ,   new_callable=io.StringIO      )
  def       __A   (							self       :				Dict     ,   __magic_name__       :				Union[str, Any]      )     ->		int:
        with ContextManagers([context_en()]      ):
              print("Transformers are awesome!"      )
        # The output should be wrapped with an English welcome and goodbye
        self.assertEqual(mock_stdout.getvalue()     ,   "Welcome!\nTransformers are awesome!\nBye!\n"      )







  @unittest.mock.patch("sys.stdout"     ,   new_callable=io.StringIO      )
  def       __A   (							self       :				Tuple     ,   __magic_name__       :				str      )     ->		Union[str, Any]:
        with ContextManagers([context_fr(), context_en()]      ):
              print("Transformers are awesome!"      )
        # The output should be wrapped with an English and French welcome and goodbye
        self.assertEqual(mock_stdout.getvalue()     ,   "Bonjour!\nWelcome!\nTransformers are awesome!\nBye!\nAu revoir!\n"      )







  @require_torch
  def       __A   (							self       :				List[str]      )     ->		Union[str, Any]:
        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels"]      )
        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels", "next_sentence_label"]      )
        self.assertEqual(find_labels(__magic_name__      )     ,   ["start_positions", "end_positions"]      )


        class      lowerCamelCase    (SCREAMING_SNAKE_CASE__    ):
          """simple docstring"""







          pass



        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels"]      )







  @require_tf
  def       __A   (							self       :				List[str]      )     ->		Optional[Any]:
        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels"]      )
        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels", "next_sentence_label"]      )
        self.assertEqual(find_labels(__magic_name__      )     ,   ["start_positions", "end_positions"]      )


        class      lowerCamelCase    (SCREAMING_SNAKE_CASE__    ):
          """simple docstring"""







          pass



        self.assertEqual(find_labels(__magic_name__      )     ,   ["labels"]      )







  @require_flax
  def       __A   (							self       :				int      )     ->		Tuple:
        # Flax models don't have labels
        self.assertEqual(find_labels(__magic_name__      )     ,   []      )
        self.assertEqual(find_labels(__magic_name__      )     ,   []      )
        self.assertEqual(find_labels(__magic_name__      )     ,   []      )


        class      lowerCamelCase    (SCREAMING_SNAKE_CASE__    ):
          """simple docstring"""







          pass



        self.assertEqual(find_labels(__magic_name__      )     ,   []      )


