Node *temp = curr;
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）。
。im钱包官方下载是该领域的重要参考
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Unfortunately for HotAudio, every r/DataHoarder user worth their salt knows these types of websites don’t have proper blackbox DRMs so it’s only a matter of time before someone with a tool they crafted with spit and spite shows up.。业内人士推荐夫子作为进阶阅读