import os
import sys
from contextlib import contextmanager


# Windows only
if os.name == "nt":
      import ctypes
      import msvcrt  # noqa

      class       snake_case					(      ctypes.Structure						):
        # _fields is a specific attr expected by ctypes
        lowercase_			=     [('size', ctypes.c_int), ('visible', ctypes.c_byte)]







def     _a				(      ):







     '''simple docstring'''


     if os.name == "nt":
          SCREAMING_SNAKE_CASE__				:				Dict			=		CursorInfo()
          SCREAMING_SNAKE_CASE__				:				Optional[int]			=		ctypes.windll.kernelaa.GetStdHandle(-11 )
          ctypes.windll.kernelaa.GetConsoleCursorInfo(lowercase__     ,  ctypes.byref(lowercase__ ) )
          SCREAMING_SNAKE_CASE__				:				List[str]			=		False
          ctypes.windll.kernelaa.SetConsoleCursorInfo(lowercase__     ,  ctypes.byref(lowercase__ ) )
     elif os.name == "posix":
          sys.stdout.write('\033[?25l' )
          sys.stdout.flush()







def     _a				(      ):







     '''simple docstring'''


     if os.name == "nt":
          SCREAMING_SNAKE_CASE__				:				Any			=		CursorInfo()
          SCREAMING_SNAKE_CASE__				:				str			=		ctypes.windll.kernelaa.GetStdHandle(-11 )
          ctypes.windll.kernelaa.GetConsoleCursorInfo(lowercase__     ,  ctypes.byref(lowercase__ ) )
          SCREAMING_SNAKE_CASE__				:				Dict			=		True
          ctypes.windll.kernelaa.SetConsoleCursorInfo(lowercase__     ,  ctypes.byref(lowercase__ ) )
     elif os.name == "posix":
          sys.stdout.write('\033[?25h' )
          sys.stdout.flush()







@contextmanager
def     _a				(      ):







     '''simple docstring'''


     try:
          hide_cursor()
          yield
     finally:
          show_cursor()




class       snake_case					(      UpperCamelCase_						):
  pass




class       snake_case					(      UpperCamelCase_						):
  pass




class       snake_case					:




  def __init__(      self     :	Union[str, Any]				)->       Tuple:




       """simple docstring"""
       SCREAMING_SNAKE_CASE__				:				int			=		[
           [],
           [],
           [],
       ]




  def 	__lowercase(      self     :	int     , a_     :	int     , a_     :	int				)->       None:




       """simple docstring"""
       try:
            if len(self.queues[priority]				) >= 100:
                 raise OverflowError('Maximum queue size is 100'				)
            self.queues[priority].append(a_				)
       except IndexError:
            raise ValueError('Valid priorities are 0, 1, and 2'				)




  def 	__lowercase(      self     :	int				)->       int:




       """simple docstring"""
       for queue in self.queues:
            if queue:
                 return queue.pop(0				)
       raise UnderFlowError('All queues are empty'				)




  def __str__(      self     :	Any				)->       str:




       """simple docstring"""
       return "\n".join(F'''Priority {i}: {q}''' for i, q in enumerate(self.queues				)				)




class       snake_case					:




  def __init__(      self     :	Union[str, Any]				)->       Dict:




       """simple docstring"""
       SCREAMING_SNAKE_CASE__				:				List[Any]			=		[]




  def 	__lowercase(      self     :	List[str]     , a_     :	int				)->       None:




       """simple docstring"""
       if len(self.queue				) == 100:
            raise OverFlowError('Maximum queue size is 100'				)
       self.queue.append(a_				)




  def 	__lowercase(      self     :	int				)->       int:




       """simple docstring"""
       if not self.queue:
            raise UnderFlowError('The queue is empty'				)
       else:
            SCREAMING_SNAKE_CASE__				:				Optional[int]			=		min(self.queue				)
            self.queue.remove(a_				)
            return data




  def __str__(      self     :	List[str]				)->       str:




       """simple docstring"""
       return str(self.queue				)







def     _a				(      ):







     '''simple docstring'''


     SCREAMING_SNAKE_CASE__				:				int			=		FixedPriorityQueue()
     fpq.enqueue(0     ,  10 )
     fpq.enqueue(1     ,  70 )
     fpq.enqueue(0     ,  1_00 )
     fpq.enqueue(2     ,  1 )
     fpq.enqueue(2     ,  5 )
     fpq.enqueue(1     ,  7 )
     fpq.enqueue(2     ,  4 )
     fpq.enqueue(1     ,  64 )
     fpq.enqueue(0     ,  1_28 )
     print(lowercase__ )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(lowercase__ )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )
     print(fpq.dequeue() )







def     _a				(      ):







     '''simple docstring'''


     SCREAMING_SNAKE_CASE__				:				Dict			=		ElementPriorityQueue()
     epq.enqueue(10 )
     epq.enqueue(70 )
     epq.enqueue(1_00 )
     epq.enqueue(1 )
     epq.enqueue(5 )
     epq.enqueue(7 )
     epq.enqueue(4 )
     epq.enqueue(64 )
     epq.enqueue(1_28 )
     print(lowercase__ )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(lowercase__ )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )
     print(epq.dequeue() )


if __name__ == "__main__":
      fixed_priority_queue()
      element_priority_queue()



