需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
Mashable has reached out to OpenAI for additional information regarding these policy overhauls and to find out whether these affect the company's policies in the United States as well. We will update this piece when we hear back.，这一点在heLLoword翻译官方下载中也有详细论述
（二）对正常运行的无线电台（站）产生有害干扰，经有关主管部门指出后，拒不采取有效措施消除的；，推荐阅读搜狗输入法2026获取更多信息
No-one has yet taken responsibility for what happened.
Раскрыты подробности похищения ребенка в Смоленске09:27