2026年的初春，中国资本市场乍暖还寒，而在矿产资源领域，一股来自福建的势力却正在掀起热浪。
爱奇艺去年营收 272.9 亿元，连续四年盈利
。关于这个话题，夫子提供了深入分析
https://www.washingtonpost.com/technology/2026/01/27/anthropic-ai-scan-destroy-books/
The London-based retail group said most of the job cuts would be in technology and data, where it was “consolidating routine reporting tasks” and creating dedicated teams for Argos and the supermarket.
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）。