<doocs>0441.Arranging Coins_1.py
def arrangeCoins( n: int) -> int:
    return int(math.sqrt(2) * math.sqrt(n + 0.125) - 0.5)
def sample_funcname ( var_0 : int ) -> int :
    return int ( math.sqrt ( 2 ) * math.sqrt ( var_0 + 0.125 ) - 0.5 )
