需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45
。关于这个话题，下载安装 谷歌浏览器 开启极速安全的 上网之旅。提供了深入分析
Юлия Сычева (корреспондент)，详情可参考同城约会
It’s that time of year: A whole bunch of Pokémon news is incoming. February 27th is the date the franchise first debuted, and The Pokémon Company uses it as a chance to outline its plans in a Pokémon Presents showcase. Last year’s event included the announcement of Pokémon Champions, and the 2026 edition should be particularly big, as this year represents the franchise’s 30th anniversary.，更多细节参见safew官方版本下载
14. American Classic