需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
Раскрыты подробности о договорных матчах в российском футболе18:01
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以携程为例，2025年，其投入29亿元用于服务保障，包括重大灾害保障金、全球SOS平台（覆盖27家医疗援助机构、100万家医疗机构）以及7x24小时多语言客服。
After the Trump-family connections drew scrutiny, Kushner said his firm would not participate in the deal.
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100x speedup is achieved by comparing HH with bidirectional A*.，详情可参考heLLoword翻译官方下载
The German firm supplies about three-quarters of the bone cement needed in the NHS. The product is used in more than 1,000 operations a week, mostly in knee replacements, but also in some hip and shoulder replacements.