





"""simple docstring"""




from __future__ import annotations

from collections.abc import MutableSequence


class 			__UpperCamelCase							:






							def __init__(  self ,   lowerCAmelCase__ ,   lowerCAmelCase__ )      ->					None:
								if len(lowerCAmelCase__ ) != degree + 1:
									raise ValueError(
									    "The number of coefficients should be equal to the degree + 1." )

								a :						list[float]      =							list(lowerCAmelCase__ )
								a :						Tuple      =							degree






							def __add__(  self ,   lowerCAmelCase__ )      ->					Polynomial:

								if self.degree > polynomial_a.degree:
									a :						List[str]      =							self.coefficients[:]
									for i in range(polynomial_a.degree + 1 ):
										coefficients[i] += polynomial_a.coefficients[i]
									return Polynomial(self.degree ,   lowerCAmelCase__ )
								else:
									a :						Optional[Any]      =							polynomial_a.coefficients[:]
									for i in range(self.degree + 1 ):
										coefficients[i] += self.coefficients[i]
									return Polynomial(polynomial_a.degree ,   lowerCAmelCase__ )






							def __sub__(  self ,   lowerCAmelCase__ )      ->					Polynomial:
								return self + polynomial_a * Polynomial(0 ,   [-1] )






							def __neg__(  self )      ->					Polynomial:
								return Polynomial(self.degree ,   [-c for c in self.coefficients] )






							def __mul__(  self ,   lowerCAmelCase__ )      ->					Polynomial:
								a :						list[float]      =							[0] * (self.degree + polynomial_a.degree + 1)
								for i in range(self.degree + 1 ):
									for j in range(polynomial_a.degree + 1 ):
										coefficients[i + j] += (
										    self.coefficients[i] * polynomial_a.coefficients[j]
										)

								return Polynomial(self.degree + polynomial_a.degree ,   lowerCAmelCase__ )






							def        __a  (  self ,   lowerCAmelCase__ )      ->					int | float:
								a :						int | float      =							0
								for i in range(self.degree + 1 ):
									result += self.coefficients[i] * (substitution**i)
								return result






							def __str__(  self )      ->					str:
								a :						Dict      =							""
								for i in range(self.degree ,   -1 ,   -1 ):
									if self.coefficients[i] == 0:
										continue
									elif self.coefficients[i] > 0:
										if polynomial:
											polynomial += " + "
									else:
										polynomial += " - "

									if i == 0:
										polynomial += str(abs(self.coefficients[i] ) )
									elif i == 1:
										polynomial += str(abs(self.coefficients[i] ) ) + "x"
									else:
										polynomial += str(abs(self.coefficients[i] ) ) + "x^" + str(lowerCAmelCase__ )

								return polynomial






							def __repr__(  self )      ->					str:
								return self.__str__()






							def        __a  (  self )      ->					Polynomial:
								a :						list[float]      =							[0] * self.degree
								for i in range(self.degree ):
									a :						Any      =							self.coefficients[i + 1] * (i + 1)
								return Polynomial(self.degree - 1 ,   lowerCAmelCase__ )






							def        __a  (  self ,   lowerCAmelCase__ = 0 )      ->					Polynomial:
								a :						list[float]      =							[0] * (self.degree + 2)
								a :						Optional[int]      =							constant
								for i in range(self.degree + 1 ):
									a :						Union[str, Any]      =							self.coefficients[i] / (i + 1)
								return Polynomial(self.degree + 1 ,   lowerCAmelCase__ )






							def __eq__(  self ,   lowerCAmelCase__ )      ->					bool:
								if not isinstance(lowerCAmelCase__ ,   lowerCAmelCase__ ):
									return False

								if self.degree != polynomial_a.degree:
									return False

								for i in range(self.degree + 1 ):
									if self.coefficients[i] != polynomial_a.coefficients[i]:
										return False

								return True






							def __ne__(  self ,   lowerCAmelCase__ )      ->					bool:
								return not self.__eq__(lowerCAmelCase__ )









"""simple docstring"""




from __future__ import annotations

from statistics import mean






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       list[int]       ,			_lowercase		:       list[int]       ,			_lowercase		:       int   )					->list[int]:






	'''simple docstring'''






	a :						Union[str, Any]      =							[0] * no_of_processes
	a :						int      =							[0] * no_of_processes

	# Initialize remaining_time to waiting_time.

	for i in range(_lowercase   ):
		a :						List[Any]      =							burst_time[i]
	a :						list[int]      =							[]

	a :						List[Any]      =							0
	a :						Any      =							0

	# When processes are not completed,
	# A process whose arrival time has passed \
	# and has remaining execution time is put into the ready_process.
	# The shortest process in the ready_process, target_process is executed.

	while completed != no_of_processes:
		a :						str      =							[]
		a :						Tuple      =							-1

		for i in range(_lowercase   ):
			if (arrival_time[i] <= total_time) and (remaining_time[i] > 0):
				ready_process.append(_lowercase   )

		if len(_lowercase   ) > 0:
			a :						List[Any]      =							ready_process[0]
			for i in ready_process:
				if remaining_time[i] < remaining_time[target_process]:
					a :						Optional[Any]      =							i
			total_time += burst_time[target_process]
			completed += 1
			a :						str      =							0
			a :						Union[str, Any]      =							(
			    total_time - arrival_time[target_process] - burst_time[target_process]
			)
		else:
			total_time += 1

	return waiting_time






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       list[int]       ,			_lowercase		:       int       ,			_lowercase		:       list[int]   )					->list[int]:






	'''simple docstring'''






	a :						List[str]      =							[0] * no_of_processes
	for i in range(_lowercase   ):
		a :						Optional[int]      =							burst_time[i] + waiting_time[i]
	return turn_around_time


if __name__ == "__main__":
		print('''[TEST CASE 01]''')

		a		:					Dict	      =     4
		a		:					Tuple	      =     [2, 5, 3, 7]
		a		:					List[Any]	      =     [0, 0, 0, 0]
		a		:					int	      =     calculate_waitingtime(arrival_time, burst_time, no_of_processes)
		a		:					List[Any]	      =     calculate_turnaroundtime(
		    burst_time, no_of_processes, waiting_time
		)

		# Printing the Result
		print('''PID\tBurst Time\tArrival Time\tWaiting Time\tTurnaround Time''')
		for i, process_id in enumerate(list(range(1, 5))):
				print(
				    F'''{process_id}\t{burst_time[i]}\t\t\t{arrival_time[i]}\t\t\t\t'''
				    F'''{waiting_time[i]}\t\t\t\t{turn_around_time[i]}'''
				)
		print(F'''\nAverage waiting time = {mean(waiting_time):.5f}''')
		print(F'''Average turnaround time = {mean(turn_around_time):.5f}''')


