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But in 2022 summer sea ice in much of Antarctica dramatically shrank, falling from an average of 2.8m sq km to a record low of 1.79m sq km in 2023.

First FT: the day’s biggest stories。旺商聊官方下载对此有专业解读

。关于这个话题，Line官方版本下载提供了深入分析

实际题目往往需要先做一步转化（如循环数组、链表转数组、先排序再栈），再套上面模板即可。

Thanks for reading. You can follow me on X (@nand2mario) for updates, or use RSS.，更多细节参见safew官方版本下载

// 易错点4：仅处理栈非空的情况，忽略栈空的情况 → 栈空时res[i]会是undefined