def linearSearch(num    :int, minimum   :int, maximum   :int) ->int:
    """linearly search the num in the range of minimum-maximum

    Args:
        num (int): the target number to find
        minimum (int): the minimum limit of the num
        maximum (int): the maximum limit of the num

    Returns:
        the searching count
    """
    count = 0
    for i in range(minimum,maximum+1):
        count += 1
        if (i==num):
            break
    return count