





"""simple docstring"""
from collections import deque







class       a							:



 def __init__(     self				,       _snake_case				,       _snake_case				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= process_name  # process name
  lowerCAmelCase    				= arrival_time  # arrival time of the process
  # completion time of finished process or last interrupted time
  lowerCAmelCase    				= arrival_time
  lowerCAmelCase    				= burst_time  # remaining burst time
  lowerCAmelCase    				= 0  # total time of the process wait in ready queue
  lowerCAmelCase    				= 0  # time from arrival time to completion time







class       a							:



 def __init__(     self				,       _snake_case				,       _snake_case				,       _snake_case				,       _snake_case				,       ):







  """simple docstring"""






  lowerCAmelCase    				= number_of_queues
  # time slice of queues that round robin algorithm applied
  lowerCAmelCase    				= time_slices
  # unfinished process is in this ready_queue
  lowerCAmelCase    				= queue
  # current time
  lowerCAmelCase    				= current_time
  # finished process is in this sequence queue
  lowerCAmelCase    				= deque()



 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  lowerCAmelCase    				= []
  for i in range(len(self.finish_queue     )     ):
   sequence.append(self.finish_queue[i].process_name     )
  return sequence



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= []
  for i in range(len(_snake_case     )     ):
   waiting_times.append(queue[i].waiting_time     )
  return waiting_times



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= []
  for i in range(len(_snake_case     )     ):
   turnaround_times.append(queue[i].turnaround_time     )
  return turnaround_times



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= []
  for i in range(len(_snake_case     )     ):
   completion_times.append(queue[i].stop_time     )
  return completion_times



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  return [q.burst_time for q in queue]



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  process.waiting_time += self.current_time - process.stop_time
  return process.waiting_time



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= deque()  # sequence deque of finished process
  while len(_snake_case     ) != 0:
   lowerCAmelCase    				= ready_queue.popleft()  # current process

   # if process's arrival time is later than current time, update current time
   if self.current_time < cp.arrival_time:
    self.current_time += cp.arrival_time

   # update waiting time of current process
   self.update_waiting_time(_snake_case     )
   # update current time
   self.current_time += cp.burst_time
   # finish the process and set the process's burst-time 0
   lowerCAmelCase    				= 0
   # set the process's turnaround time because it is finished
   lowerCAmelCase    				= self.current_time - cp.arrival_time
   # set the completion time
   lowerCAmelCase    				= self.current_time
   # add the process to queue that has finished queue
   finished.append(_snake_case     )

  self.finish_queue.extend(_snake_case     )  # add finished process to finish queue
  # FCFS will finish all remaining processes
  return finished



 def    UpperCamelCase__  (     self				,       _snake_case				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= deque()  # sequence deque of terminated process
  # just for 1 cycle and unfinished processes will go back to queue
  for _ in range(len(_snake_case     )     ):
   lowerCAmelCase    				= ready_queue.popleft()  # current process

   # if process's arrival time is later than current time, update current time
   if self.current_time < cp.arrival_time:
    self.current_time += cp.arrival_time

   # update waiting time of unfinished processes
   self.update_waiting_time(_snake_case     )
   # if the burst time of process is bigger than time-slice
   if cp.burst_time > time_slice:
    # use CPU for only time-slice
    self.current_time += time_slice
    # update remaining burst time
    cp.burst_time -= time_slice
    # update end point time
    lowerCAmelCase    				= self.current_time
    # locate the process behind the queue because it is not finished
    ready_queue.append(_snake_case     )
   else:
    # use CPU for remaining burst time
    self.current_time += cp.burst_time
    # set burst time 0 because the process is finished
    lowerCAmelCase    				= 0
    # set the finish time
    lowerCAmelCase    				= self.current_time
    # update the process' turnaround time because it is finished
    lowerCAmelCase    				= self.current_time - cp.arrival_time
    # add the process to queue that has finished queue
    finished.append(_snake_case     )

  self.finish_queue.extend(_snake_case     )  # add finished process to finish queue
  # return finished processes queue and remaining processes queue
  return finished, ready_queue



 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  for i in range(self.number_of_queues - 1     ):
   lowerCAmelCase				,lowerCAmelCase    				= self.round_robin(
       self.ready_queue				,       self.time_slices[i]     )
  #  the last queue has first_come_first_served algorithm
  self.first_come_first_served(self.ready_queue     )

  return self.finish_queue


if __name__ == "__main__":
       import doctest

       __UpperCamelCase     :						Tuple						       =  Process('''P1''', 0, 53)
       __UpperCamelCase     :						List[Any]						       =  Process('''P2''', 0, 17)
       __UpperCamelCase     :						Tuple						       =  Process('''P3''', 0, 68)
       __UpperCamelCase     :						List[Any]						       =  Process('''P4''', 0, 24)
       __UpperCamelCase     :						Union[str, Any]						       =  3
       __UpperCamelCase     :						str						       =  [17, 25]
       __UpperCamelCase     :						str						       =  deque([Pa, Pa, Pa, Pa])

       if len(time_slices) != number_of_queues - 1:
              raise SystemExit(0)

       doctest.testmod(extraglobs={'''queue''': deque([Pa, Pa, Pa, Pa])})

       __UpperCamelCase     :						Union[str, Any]						       =  Process('''P1''', 0, 53)
       __UpperCamelCase     :						Any						       =  Process('''P2''', 0, 17)
       __UpperCamelCase     :						Optional[Any]						       =  Process('''P3''', 0, 68)
       __UpperCamelCase     :						List[Any]						       =  Process('''P4''', 0, 24)
       __UpperCamelCase     :						List[Any]						       =  3
       __UpperCamelCase     :						Any						       =  [17, 25]
       __UpperCamelCase     :						int						       =  deque([Pa, Pa, Pa, Pa])
       __UpperCamelCase     :						Union[str, Any]						       =  MLFQ(number_of_queues, time_slices, queue, 0)
       __UpperCamelCase     :						Optional[Any]						       =  mlfq.multi_level_feedback_queue()

       # print total waiting times of processes(P1, P2, P3, P4)
       print(
           f'''waiting time:\
        \t\t\t{MLFQ.calculate_waiting_time(mlfq, [Pa, Pa, Pa, Pa])}'''
       )
       # print completion times of processes(P1, P2, P3, P4)
       print(
           f'''completion time:\
        \t\t{MLFQ.calculate_completion_time(mlfq, [Pa, Pa, Pa, Pa])}'''
       )
       # print total turnaround times of processes(P1, P2, P3, P4)
       print(
           f'''turnaround time:\
        \t\t{MLFQ.calculate_turnaround_time(mlfq, [Pa, Pa, Pa, Pa])}'''
       )
       # print sequence of finished processes
       print(
           f'''sequence of finished processes:\
        {mlfq.calculate_sequence_of_finish_queue()}'''
       )












"""simple docstring"""
from __future__ import annotations

def 		_SCREAMING_SNAKE_CASE			(_UpperCAmelCase					:    list[float]			):
 lowerCAmelCase    				= 0.00
 lowerCAmelCase    				= 0
 for resistor in resistors:
  if resistor <= 0:
   lowerCAmelCase    				= F'Resistor at index {index} has a negative or zero value!'
   raise ValueError(_UpperCAmelCase			)
  first_sum += 1 / float(_UpperCAmelCase			)
  index += 1
 return 1 / first_sum

def 		_SCREAMING_SNAKE_CASE			(_UpperCAmelCase					:    list[float]			):
 lowerCAmelCase    				= 0.00
 lowerCAmelCase    				= 0
 for resistor in resistors:
  sum_r += resistor
  if resistor < 0:
   lowerCAmelCase    				= F'Resistor at index {index} has a negative value!'
   raise ValueError(_UpperCAmelCase			)
  index += 1
 return sum_r


if __name__ == "__main__":
       import doctest

       doctest.testmod()





