// 条件解读：栈非空 + 栈顶当前数 + 还有删除名额 → 弹出栈顶（移除大数）
蜜蜂一蜇，就能治病？这不是武侠小说里的情节，而是一种古老的中医疗法——蜂疗。
，详情可参考safew官方版本下载
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The principles of digital etiquette remain the same as other kinds of etiquette, but they are also “context specific and many of the rules are implicit rather than explicit,” said Rupert Wesson, a director at Debrett’s, the British etiquette guide, who outlined key tips for The Associated Press.