






import heapq
import sys

import numpy as np

a_							=    tuple[int, int]


class      lowercase__     :

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







       '''simple docstring'''





       lowerCAmelCase__       =						[]
       lowerCAmelCase__       =						set()

 def 		UpperCAmelCase  (							self       )->					List[Any]:







       '''simple docstring'''





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

 def 		UpperCAmelCase  (							self       )->					Any:







       '''simple docstring'''





       return len(self.elements       ) == 0

 def 		UpperCAmelCase  (							self		,    __UpperCAmelCase		,    __UpperCAmelCase       )->					List[str]:







       '''simple docstring'''





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

 def 		UpperCAmelCase  (							self		,    __UpperCAmelCase       )->					Any:







       '''simple docstring'''





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

 def 		UpperCAmelCase  (							self       )->					Union[str, Any]:







       '''simple docstring'''





       return self.elements[0][1]


 def 		UpperCAmelCase  (							self       )->					List[str]:







       '''simple docstring'''





       (lowerCAmelCase__)       =						heapq.heappop(self.elements       )
       self.set.remove(UpperCamelCase__       )
       return (priority, item)





def        _a  (     UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				TPos   ) ->   Dict:
      """simple docstring"""







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


def        _a  (     UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				TPos   ) ->   Optional[Any]:
      """simple docstring"""







      return consistent_heuristic(lowerCAmelCase__    ,   lowerCAmelCase__   ) // t


def        _a  (     UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				TPos   ) ->   int:
      """simple docstring"""







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


def        _a  (     UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				int    ,   UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				dict[TPos, float]   ) ->   int:
      """simple docstring"""







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


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







      lowerCAmelCase__       =						np.chararray((n, n)   )
      for i in range(lowerCAmelCase__   ):
            for j in range(lowerCAmelCase__   ):
                  lowerCAmelCase__       =						'*'

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

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

      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:-"   )
      lowerCAmelCase__       =						back_pointer[goal]
      while x != start:
            print(lowerCAmelCase__    ,   end=" "   )
            lowerCAmelCase__       =						back_pointer[x]
      print(lowerCAmelCase__   )
      sys.exit()


def        _a  (     UpperCamelCase_					:				TPos   ) ->   Optional[Any]:
      """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        _a  (     UpperCamelCase_					:				Optional[Any]    ,   UpperCamelCase_					:				Optional[Any]    ,   UpperCamelCase_					:				str    ,   UpperCamelCase_					:				List[str]    ,   UpperCamelCase_					:				Union[str, Any]    ,   UpperCamelCase_					:				List[str]    ,   UpperCamelCase_					:				Any    ,   UpperCamelCase_					:				Dict    ,   ) ->   Optional[int]:
      """simple docstring"""







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

                  if valid(lowerCAmelCase__   ) and g_function[neighbours] > g_function[s] + 1:
                        lowerCAmelCase__       =						g_function[s] + 1
                        lowerCAmelCase__       =						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        _a  (     ) ->   Union[str, Any]:
      """simple docstring"""







      lowerCAmelCase__       =						[]
      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


a_							=    {0: consistent_heuristic, 1: heuristic_a, 2: heuristic_a}

a_							=    [
    (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_							=    make_common_ground()


a_							=    blocks_blk
# hyper parameters
a_							=    1
a_							=    1
a_							=    20
a_							=    3  # one consistent and two other inconsistent

# start and end destination
a_							=    (0, 0)
a_							=    (n - 1, n - 1)

a_							=    1


def        _a  (     UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				TPos    ,   UpperCamelCase_					:				int   ) ->   List[str]:
      """simple docstring"""







      lowerCAmelCase__       =						{start: 0, goal: float("inf"   )}
      lowerCAmelCase__       =						{start: -1, goal: -1}
      lowerCAmelCase__       =						[]
      lowerCAmelCase__       =						set()

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

      lowerCAmelCase__       =						[]
      lowerCAmelCase__       =						[]
      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:
                              lowerCAmelCase__       =						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:
                              lowerCAmelCase__       =						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)














from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


a_							=    {'''configuration_plbart''': ['''PLBART_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''PLBartConfig''']}

try:
	if not is_sentencepiece_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	a_							=    ['''PLBartTokenizer''']

try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	a_							=    [
	    '''PLBART_PRETRAINED_MODEL_ARCHIVE_LIST''',
	    '''PLBartForCausalLM''',
	    '''PLBartForConditionalGeneration''',
	    '''PLBartForSequenceClassification''',
	    '''PLBartModel''',
	    '''PLBartPreTrainedModel''',
	]


if TYPE_CHECKING:
	from .configuration_plbart import PLBART_PRETRAINED_CONFIG_ARCHIVE_MAP, PLBartConfig

	try:
		if not is_sentencepiece_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .tokenization_plbart import PLBartTokenizer

	try:
		if not is_torch_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_plbart import (
		    PLBART_PRETRAINED_MODEL_ARCHIVE_LIST,
		    PLBartForCausalLM,
		    PLBartForConditionalGeneration,
		    PLBartForSequenceClassification,
		    PLBartModel,
		    PLBartPreTrainedModel,
		)


else:
	import sys

	a_							=    _LazyModule(__name__, globals()['''__file__'''], _import_structure)






