


'''simple docstring'''

from collections import deque


class       a__				:







				"""simple docstring"""



				def __init__(self       ,			__lowercase       ,			__lowercase       ,			__lowercase		):
										__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__				:







				"""simple docstring"""



				def __init__(self       ,			__lowercase       ,			__lowercase       ,			__lowercase       ,			__lowercase       ,			):
										# total number of mlfq's queues
										__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 					_snake_case  (self		):
										__lowerCAmelCase							       =				[]
										for i in range(len(self.finish_queue		)		):
																sequence.append(self.finish_queue[i].process_name		)
										return sequence




				def 					_snake_case  (self       ,			__lowercase		):
										__lowerCAmelCase							       =				[]
										for i in range(len(__lowercase		)		):
																waiting_times.append(queue[i].waiting_time		)
										return waiting_times




				def 					_snake_case  (self       ,			__lowercase		):
										__lowerCAmelCase							       =				[]
										for i in range(len(__lowercase		)		):
																turnaround_times.append(queue[i].turnaround_time		)
										return turnaround_times




				def 					_snake_case  (self       ,			__lowercase		):
										__lowerCAmelCase							       =				[]
										for i in range(len(__lowercase		)		):
																completion_times.append(queue[i].stop_time		)
										return completion_times




				def 					_snake_case  (self       ,			__lowercase		):
										return [q.burst_time for q in queue]




				def 					_snake_case  (self       ,			__lowercase		):
										process.waiting_time += self.current_time - process.stop_time
										return process.waiting_time




				def 					_snake_case  (self       ,			__lowercase		):
										__lowerCAmelCase							       =				deque()  # sequence deque of finished process
										while len(__lowercase		) != 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(__lowercase		)
																# 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(__lowercase		)

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




				def 					_snake_case  (self       ,			__lowercase       ,			__lowercase		):
										__lowerCAmelCase							       =				deque()  # sequence deque of terminated process
										# just for 1 cycle and unfinished processes will go back to queue
										for _ in range(len(__lowercase		)		):
																__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(__lowercase		)
																# 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(__lowercase		)
																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(__lowercase		)

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




				def 					_snake_case  (self		):

										#  all queues except last one have round_robin algorithm
										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				: List[str]							    =				Process("""P1""", 0, 5_3)
	_UpperCAmelCase				: Any							    =				Process("""P2""", 0, 1_7)
	_UpperCAmelCase				: int							    =				Process("""P3""", 0, 6_8)
	_UpperCAmelCase				: List[str]							    =				Process("""P4""", 0, 2_4)
	_UpperCAmelCase				: Tuple							    =				3
	_UpperCAmelCase				: Optional[Any]							    =				[1_7, 2_5]
	_UpperCAmelCase				: Optional[Any]							    =				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				: Optional[Any]							    =				Process("""P1""", 0, 5_3)
	_UpperCAmelCase				: List[Any]							    =				Process("""P2""", 0, 1_7)
	_UpperCAmelCase				: Optional[int]							    =				Process("""P3""", 0, 6_8)
	_UpperCAmelCase				: List[Any]							    =				Process("""P4""", 0, 2_4)
	_UpperCAmelCase				: List[str]							    =				3
	_UpperCAmelCase				: int							    =				[1_7, 2_5]
	_UpperCAmelCase				: Union[str, Any]							    =				deque([Pa, Pa, Pa, Pa])
	_UpperCAmelCase				: List[str]							    =				MLFQ(number_of_queues, time_slices, queue, 0)
	_UpperCAmelCase				: int							    =				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 string import ascii_uppercase

_UpperCAmelCase				: Optional[int]							    =				{char: i for i, char in enumerate(ascii_uppercase)}
_UpperCAmelCase				: Optional[int]							    =				dict(enumerate(ascii_uppercase))

def 							__magic_name__(						lowerCamelCase,				lowerCamelCase):
						__lowerCAmelCase							       =				len(lowerCamelCase)
						__lowerCAmelCase							       =				0
						while True:
												if x == i:
																		__lowerCAmelCase							       =				0
												if len(lowerCamelCase) == len(lowerCamelCase):
																		break
												key += key[i]
												i += 1
						return key

def 							__magic_name__(						lowerCamelCase,				lowerCamelCase):
						__lowerCAmelCase							       =				''''''
						__lowerCAmelCase							       =				0
						for letter in message:
												if letter == " ":
																		cipher_text += " "
												else:
																		__lowerCAmelCase							       =				(dicta[letter] - dicta[key_new[i]]) % 2_6
																		i += 1
																		cipher_text += dicta[x]
						return cipher_text

def 							__magic_name__(						lowerCamelCase,				lowerCamelCase):
						__lowerCAmelCase							       =				''''''
						__lowerCAmelCase							       =				0
						for letter in cipher_text:
												if letter == " ":
																		or_txt += " "
												else:
																		__lowerCAmelCase							       =				(dicta[letter] + dicta[key_new[i]] + 2_6) % 2_6
																		i += 1
																		or_txt += dicta[x]
						return or_txt

def 							__magic_name__(						):
						__lowerCAmelCase							       =				'''THE GERMAN ATTACK'''
						__lowerCAmelCase							       =				'''SECRET'''
						__lowerCAmelCase							       =				generate_key(lowerCamelCase,				lowerCamelCase)
						__lowerCAmelCase							       =				cipher_text(lowerCamelCase,				lowerCamelCase)
						print(F"""Encrypted Text = {s}""")
						print(F"""Original Text = {original_text(lowerCamelCase,				lowerCamelCase)}""")


if __name__ == "__main__":
	import doctest

	doctest.testmod()
	main()

