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
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Travel gets easier the moment you stop relying entirely on real-time translations. Reading signs, ordering food, or asking directions becomes less of a performance and more of a conversation — which is exactly what Babbel was designed to teach.
根據澳洲廣播公司（ABC）的報導，神韻藝術團於週二向警方報告了這一威脅。。关于这个话题，搜狗输入法2026提供了深入分析
Rank-3 factorization is the key trick for trained models，详情可参考爱思助手下载最新版本
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