




'''simple docstring'''





import unittest

from transformers import is_torch_available
from transformers.testing_utils import require_torch


if is_torch_available():
		import torch

		from transformers.generation import DisjunctiveConstraint




@require_torch
class 			_snake_case		(     unittest.TestCase							):




			def        lowerCAmelCase__    ( self							)    ->    Tuple:

										'''simple docstring'''




										snake_case_      =				[[1, 2, 4], [1, 2, 3, 4]]
										snake_case_      =				DisjunctiveConstraint(a__							)
										self.assertTrue(isinstance(dc.token_ids    ,							a__							)							)

										with self.assertRaises(a__							):
																	DisjunctiveConstraint(torch.LongTensor([[1, 2, 4], [1, 2, 3]]							)							)

										with self.assertRaises(a__							):
																	DisjunctiveConstraint([torch.LongTensor([1, 2, 4]							), torch.LongTensor([1, 2, 3, 4, 5]							)]							)




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

										'''simple docstring'''




										snake_case_      =				[[1, 2], [1, 2, 3, 4]]

										with self.assertRaises(a__							):
																	DisjunctiveConstraint(a__							)  # fails here




			def        lowerCAmelCase__    ( self							)    ->    str:

										'''simple docstring'''




										snake_case_      =				[[1, 2, 3], [1, 2, 4]]

										snake_case_      =				DisjunctiveConstraint(a__							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(1							)
										snake_case_      =				stepped is True and completed is False and reset is False
										self.assertTrue(a__							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.current_seq == [1]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(2							)
										snake_case_      =				stepped is True and completed is False and reset is False
										self.assertTrue(a__							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.current_seq == [1, 2]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(3							)
										snake_case_      =				stepped is True and completed is True and reset is False
										self.assertTrue(a__							)
										self.assertTrue(dc.completed							)  # Completed!
										self.assertTrue(dc.current_seq == [1, 2, 3]							)




			def        lowerCAmelCase__    ( self							)    ->    Any:

										'''simple docstring'''




										snake_case_      =				[[1, 2, 3], [1, 2, 4, 5], [1, 2, 5]]

										snake_case_      =				DisjunctiveConstraint(a__							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(1							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.current_seq == [1]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(2							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.current_seq == [1, 2]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(4							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.current_seq == [1, 2, 4]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(5							)
										self.assertTrue(dc.completed							)  # Completed!
										self.assertTrue(dc.current_seq == [1, 2, 4, 5]							)

										dc.reset()

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(1							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.remaining() == 3							)
										self.assertTrue(dc.current_seq == [1]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(2							)
										self.assertTrue(not dc.completed							)
										self.assertTrue(dc.remaining() == 2							)
										self.assertTrue(dc.current_seq == [1, 2]							)

										snake_case_ ,				snake_case_ ,				snake_case_      =				dc.update(5							)
										self.assertTrue(dc.completed							)  # Completed!
										self.assertTrue(dc.remaining() == 0							)
										self.assertTrue(dc.current_seq == [1, 2, 5]							)










'''simple docstring'''





_SCREAMING_SNAKE_CASE							:       Optional[int]						=			"Alexander Joslin"

import operator as op

from .stack import Stack


def 					UpperCamelCase_(     snake_case							:	str					):

							'''simple docstring'''






							snake_case_      =				{"*": op.mul, "/": op.truediv, "+": op.add, "-": op.sub}

							snake_case_      =				Stack()
							snake_case_      =				Stack()

							for i in equation:
														if i.isdigit():
																					# RULE 1
																					operand_stack.push(int(snake_case					)					)
														elif i in operators:
																					# RULE 2
																					operator_stack.push(snake_case					)
														elif i == ")":
																					# RULE 4
																					snake_case_      =				operator_stack.peek()
																					operator_stack.pop()
																					snake_case_      =				operand_stack.peek()
																					operand_stack.pop()
																					snake_case_      =				operand_stack.peek()
																					operand_stack.pop()

																					snake_case_      =				operators[opr](snake_case							,    snake_case					)
																					operand_stack.push(snake_case					)

    # RULE 5
							return operand_stack.peek()


if __name__ == "__main__":
		_SCREAMING_SNAKE_CASE							:       List[Any]						=			"(5 + ((4 * 2) * (2 + 3)))"
		# answer = 45
		print(F"{equation} = {dijkstras_two_stack_algorithm(equation)}")




