

'''simple docstring'''





from multiprocessing import Lock, Pipe, Process

# lock used to ensure that two processes do not access a pipe at the same time
UpperCamelCase_							=					Lock()






def 							_lowerCAmelCase (      __magic_name__	:    Optional[int]      ,   __magic_name__	:    List[Any]      ,   __magic_name__	:    Union[str, Any]      ,   __magic_name__	:    Dict      ,   __magic_name__	:    Optional[Any]      ,   __magic_name__	:    Optional[Any]      ,   __magic_name__	:    Optional[Any]	)							->     int:
						global process_lock

						# we perform n swaps since after n swaps we know we are sorted
						# we *could* stop early if we are sorted already, but it takes as long to
						# find out we are sorted as it does to sort the list with this algorithm
						for i in range(0      ,   10	):
												if (i + position) % 2 == 0 and r_send is not None:
																		# send your value to your right neighbor
																		process_lock.acquire()
																		r_send[1].send(_A	)
																		process_lock.release()

																		# receive your right neighbor's value
																		process_lock.acquire()
																		lowercase   :       Union[str, Any]								=rr_cv[0].recv()
																		process_lock.release()

																		# take the lower value since you are on the left
																		lowercase   :       Any								=min(_A      ,   _A	)
												elif (i + position) % 2 != 0 and l_send is not None:
																		# send your value to your left neighbor
																		process_lock.acquire()
																		l_send[1].send(_A	)
																		process_lock.release()

																		# receive your left neighbor's value
																		process_lock.acquire()
																		lowercase   :       Optional[int]								=lr_cv[0].recv()
																		process_lock.release()

																		# take the higher value since you are on the right
																		lowercase   :       Dict								=max(_A      ,   _A	)
    # after all swaps are performed, send the values back to main
						result_pipe[1].send(_A	)






def 							_lowerCAmelCase (      __magic_name__	:    str	)							->     List[Any]:
						lowercase   :       Any								=[]
						lowercase   :       Dict								=[]
						# initialize the list of pipes where the values will be retrieved
						for _ in arr:
												result_pipe.append(Pipe()	)
						# creates the processes
						# the first and last process only have one neighbor so they are made outside
						# of the loop
						lowercase   :       List[str]								=Pipe()
						lowercase   :       Optional[Any]								=Pipe()
						process_array_.append(
						    Process(
						        target=_A      ,   args=(0, arr[0], None, temp_rs, None, temp_rr, result_pipe[0])      ,   )	)
						lowercase   :       Optional[Any]								=temp_rs
						lowercase   :       Union[str, Any]								=temp_rr

						for i in range(1      ,   len(_A	) - 1	):
												lowercase   :       Tuple								=Pipe()
												lowercase   :       Tuple								=Pipe()
												process_array_.append(
												    Process(
												        target=_A      ,   args=(i, arr[i], temp_ls, temp_rs, temp_lr, temp_rr, result_pipe[i])      ,   )	)
												lowercase   :       int								=temp_rs
												lowercase   :       str								=temp_rr

						process_array_.append(
						    Process(
						        target=_A      ,   args=(
						            len(_A	) - 1,
						            arr[len(_A	) - 1],
						            temp_ls,
						            None,
						            temp_lr,
						            None,
						            result_pipe[len(_A	) - 1],
						        )      ,   )	)

						# start the processes
						for p in process_array_:
												p.start()

						# wait for the processes to end and write their values to the list
						for p in range(0      ,   len(_A	)	):
												lowercase   :       Optional[int]								=result_pipe[p][0].recv()
												process_array_[p].join()
						return arr






def 							_lowerCAmelCase (      )							->     Union[str, Any]:
						lowercase   :       Dict								=list(range(10      ,   0      ,   -1	)	)
						print('''Initial List'''	)
						print(*_A	)
						lowercase   :       List[str]								=odd_even_transposition(_A	)
						print('''Sorted List\n'''	)
						print(*_A	)


if __name__ == "__main__":
							main()








'''simple docstring'''





from __future__ import annotations






def 							_lowerCAmelCase (      __magic_name__	:    list[list[int]]	)							->     bool:
						lowercase   :       str								=len(__magic_name__	)
						# We need to create solution object to save path.
						lowercase   :       int								=[[0 for _ in range(__magic_name__	)] for _ in range(__magic_name__	)]
						lowercase   :       List[Any]								=run_maze(__magic_name__      ,   0      ,   0      ,   __magic_name__	)
						if solved:
												print('''\n'''.join(str(__magic_name__	) for row in solutions	)	)
						else:
												print('''No solution exists!'''	)
						return solved






def 							_lowerCAmelCase (      __magic_name__	:    list[list[int]]      ,   __magic_name__	:    int      ,   __magic_name__	:    int      ,   __magic_name__	:    list[list[int]]	)							->     bool:
						lowercase   :       Optional[int]								=len(__magic_name__	)
						# Final check point.
						if i == j == (size - 1):
												lowercase   :       Optional[int]								=1
												return True

						lowercase   :       Optional[int]								=(not i < 0) and (not j < 0)  # Check lower bounds
						lowercase   :       Tuple								=(i < size) and (j < size)  # Check upper bounds

						if lower_flag and upper_flag:
												# check for already visited and block points.
												lowercase   :       Union[str, Any]								=(not solutions[i][j]) and (not maze[i][j])
												if block_flag:
																		# check visited
																		lowercase   :       Union[str, Any]								=1

																		# check for directions
																		if (
																		    run_maze(__magic_name__      ,   i + 1      ,   __magic_name__      ,   __magic_name__	)
																		    or run_maze(__magic_name__      ,   __magic_name__      ,   j + 1      ,   __magic_name__	)
																		    or run_maze(__magic_name__      ,   i - 1      ,   __magic_name__      ,   __magic_name__	)
																		    or run_maze(__magic_name__      ,   __magic_name__      ,   j - 1      ,   __magic_name__	)
																		):
																								return True

																		lowercase   :       str								=0
																		return False
						return False


if __name__ == "__main__":
							import doctest

							doctest.testmod()





