

from multiprocessing import Lock, Pipe, Process

# lock used to ensure that two processes do not access a pipe at the same time
_SCREAMING_SNAKE_CASE  :						Optional[int]         =    Lock()
def        UpperCAmelCase_     (		_A   ,	_A   ,	_A   ,	_A   ,	_A   ,	_A   ,	_A       ):





     '''simple docstring'''




     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()
               SCREAMING_SNAKE_CASE__					=					rr_cv[0].recv()
               process_lock.release()

               # take the lower value since you are on the left
               SCREAMING_SNAKE_CASE__					=					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()
               SCREAMING_SNAKE_CASE__					=					lr_cv[0].recv()
               process_lock.release()

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





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__					=					[]
     SCREAMING_SNAKE_CASE__					=					[]
     # 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
     SCREAMING_SNAKE_CASE__					=					Pipe()
     SCREAMING_SNAKE_CASE__					=					Pipe()
     process_array_.append(
         Process(
             target=_A   ,	args=(0, arr[0], None, temp_rs, None, temp_rr, result_pipe[0])   ,	)       )
     SCREAMING_SNAKE_CASE__					=					temp_rs
     SCREAMING_SNAKE_CASE__					=					temp_rr

     for i in range(1   ,	len(_A       ) - 1       ):
          SCREAMING_SNAKE_CASE__					=					Pipe()
          SCREAMING_SNAKE_CASE__					=					Pipe()
          process_array_.append(
              Process(
                  target=_A   ,	args=(i, arr[i], temp_ls, temp_rs, temp_lr, temp_rr, result_pipe[i])   ,	)       )
          SCREAMING_SNAKE_CASE__					=					temp_rs
          SCREAMING_SNAKE_CASE__					=					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       )       ):
          SCREAMING_SNAKE_CASE__					=					result_pipe[p][0].recv()
          process_array_[p].join()
     return arr
def        UpperCAmelCase_     (		):





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__					=					list(range(10   ,	0   ,	-1       )       )
     print('''Initial List'''       )
     print(*_A       )
     SCREAMING_SNAKE_CASE__					=					odd_even_transposition(_A       )
     print('''Sorted List\n'''       )
     print(*_A       )


if __name__ == "__main__":
       main()





import random
def        UpperCAmelCase_     (		_A   ,	_A   ,	_A       ):





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__					=					a[left_index]
     SCREAMING_SNAKE_CASE__					=					left_index + 1
     for j in range(left_index + 1   ,	_A       ):
          if a[j] < pivot:
               SCREAMING_SNAKE_CASE__,SCREAMING_SNAKE_CASE__					=					a[i], a[j]
               i += 1
     SCREAMING_SNAKE_CASE__,SCREAMING_SNAKE_CASE__					=					a[i - 1], a[left_index]
     return i - 1
def        UpperCAmelCase_     (		_A   ,	_A   ,	_A       ):





     '''simple docstring'''




     if left < right:
          SCREAMING_SNAKE_CASE__					=					random.randint(_A   ,	right - 1       )
          SCREAMING_SNAKE_CASE__,SCREAMING_SNAKE_CASE__					=					(
              a[left],
              a[pivot],
          )  # switches the pivot with the left most bound
          SCREAMING_SNAKE_CASE__					=					partition(_A   ,	_A   ,	_A       )
          quick_sort_random(
              _A   ,	_A   ,	_A       )  # recursive quicksort to the left of the pivot point
          quick_sort_random(
              _A   ,	pivot_index + 1   ,	_A       )  # recursive quicksort to the right of the pivot point
def        UpperCAmelCase_     (		):





     '''simple docstring'''




     SCREAMING_SNAKE_CASE__					=					input('''Enter numbers separated by a comma:\n'''       ).strip()
     SCREAMING_SNAKE_CASE__					=					[int(_A       ) for item in user_input.split(''','''       )]

     quick_sort_random(_A   ,	0   ,	len(_A       )       )

     print(_A       )


if __name__ == "__main__":
       main()


