需要索引（如算距离、下标）：栈存索引，用 nums[stack.at(-1)] 取值比较。
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Former state Liberal MP begins his evidence after pleading not guilty to 10 charges for various sexual acts，更多细节参见heLLoword翻译官方下载
3014248110http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142481.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142481.html11921 为人民出政绩 以实干出政绩