// 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）
curtailing their business hours to make more time for daily closing. By 1950,
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The new Powerbeats Fit are the direct successors to 2022’s popular Beats Fit Pro, costing £200 (€230/$200/A$330). They sit alongside the recently redesigned Powerbeats Pro 2 as Apple’s fitness alternatives of the AirPods.
are to copy and to extend (append), with "slicing" being common enough that