递归算法转换为非递归算法时,通常借助于队列来实现。
A. 对
B. 错
____More than two billion people, or about one-fifth of the world's population, speak some form of Chinese as their first language.
____Standard Chinese is a standardized form of spoken Chinese based on the Beijing dialect of Chinese.
____Cantonese remains one of the official languages of Hong Kong.