需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
Мощный удар Израиля по Ирану попал на видео09:41
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The threat was issued on Tuesday at a Pentagon meeting that Hegseth had demanded with Anthropic boss Dario Amodei, a source familiar with discussions told the BBC.
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54