


'''simple docstring'''






def 	_A				(lowerCAmelCase__  :Tuple				,						lowerCAmelCase__  :List[Any]		)   ->  Optional[Any]:




     '''simple docstring'''



     _a			      =							[0 for i in range(r + 1		)]
     # nc0 = 1
     _a			      =							1
     for i in range(1				,						n + 1		):
          # to compute current row from previous row.
          _a			      =							min(lowerCAmelCase__				,						lowerCAmelCase__		)
          while j > 0:
               c[j] += c[j - 1]
               j -= 1
     return c[r]






print(binomial_coefficient(n=1_0, r=5))





'''simple docstring'''






class  a     :
 def __init__( self      ,				__magic_name__						)					->							Optional[int]:
      _a			      =							n
      _a			      =							[None] * self.n
      _a			      =							0  # index of the first element
      _a			      =							0
      _a			      =							0
 def __len__( self						)					->							int:
      return self.size
 def 							__UpperCAmelCase		( self						)					->							bool:
      return self.size == 0
 def 							__UpperCAmelCase		( self						)					->							Optional[Any]:
      return False if self.is_empty() else self.array[self.front]
 def 							__UpperCAmelCase		( self      ,				__magic_name__						)					->							Optional[Any]:
      if self.size >= self.n:
           raise Exception('QUEUE IS FULL'						)

      _a			      =							data
      _a			      =							(self.rear + 1) % self.n
      self.size += 1
      return self




 def 							__UpperCAmelCase		( self						)					->							Any:
      if self.size == 0:
           raise Exception('UNDERFLOW'						)

      _a			      =							self.array[self.front]
      _a			      =							None
      _a			      =							(self.front + 1) % self.n
      self.size -= 1
      return temp

