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）。
思想的伟力，跨越山海，指引前行道路。
，推荐阅读heLLoword翻译官方下载获取更多信息
Paramount’s merger with Skydance has already brought about mass layoffs, including at CBS News, where Free Press founder Bari Weiss is leading a cultural overhaul as editor in chief. In January, Oracle became a partial owner of TikTok, giving the Ellisons even more cultural currency.。关于这个话题，服务器推荐提供了深入分析
The Algorithm: Ford-Fulkerson to Find the Bottlenecks