parameters: (self, n)
return_statement: return int((math.sqrt(8*n+1)-1) / 2)
docstring: :type n: int
          :rtype: int
docstring_summary: :type n: int
          :rtype: int
docstring_tokens: : type n : int : rtype : int
function: def arrangeCoins(self, n):
          """
          :type n: int
          :rtype: int
          """
          return int((math.sqrt(8*n+1)-1) / 2)
function_tokens: def arrangeCoins ( self , n ) : return int ( ( math . sqrt ( 8 * n + 1 ) - 1 ) / 2 )