思路:找「右侧第一个 ≤ cur」的元素 → 弹出所有 cur 的元素,栈顶即为折扣。最终价格 = cur - 折扣(有则)或 cur(无则)。
3️⃣ 堆排序 (Heap Sort)
。快连下载-Letsvpn下载对此有专业解读
Фото: Stringer / Reuters。服务器推荐是该领域的重要参考
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Discard old data — evict what's already buffered to make room