




class 				lowerCAmelCase_       :






				def __init__(			self      ,snake_case__ ):
							SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      n
							SCREAMING_SNAKE_CASE_   : Optional[int]					  =      [None] * self.n
							SCREAMING_SNAKE_CASE_   : List[str]					  =      0  # index of the first element
							SCREAMING_SNAKE_CASE_   : List[Any]					  =      0
							SCREAMING_SNAKE_CASE_   : str					  =      0






				def __len__(			self ):
							return self.size






				def 		snake_case	(			self ):
							return self.size == 0






				def 		snake_case	(			self ):
							return False if self.is_empty() else self.array[self.front]






				def 		snake_case	(			self      ,snake_case__ ):
							if self.size >= self.n:
										raise Exception('QUEUE IS FULL' )

							SCREAMING_SNAKE_CASE_   : Any					  =      data
							SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      (self.rear + 1) % self.n
							self.size += 1
							return self






				def 		snake_case	(			self ):
							if self.size == 0:
										raise Exception('UNDERFLOW' )

							SCREAMING_SNAKE_CASE_   : Any					  =      self.array[self.front]
							SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      None
							SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      (self.front + 1) % self.n
							self.size -= 1
							return temp









def        __UpperCAmelCase						(							lowerCamelCase_ :     List[str]  ,							lowerCamelCase_ :     Optional[Any]  )       ->  int:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : List[Any]					  =      [0 for i in range(r + 1  )]
			# nc0 = 1
			SCREAMING_SNAKE_CASE_   : Dict					  =      1
			for i in range(1  ,							n + 1  ):
						# to compute current row from previous row.
						SCREAMING_SNAKE_CASE_   : Optional[int]					  =      min(lowerCamelCase_  ,							lowerCamelCase_  )
						while j > 0:
									c[j] += c[j - 1]
									j -= 1
			return c[r]




print(binomial_coefficient(n=10, r=5))



