There’s a good way to throw out the ISS. And then there’s a really bad way.
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）。
。关于这个话题，heLLoword翻译官方下载提供了深入分析
10 February 2026ShareSave
Tourette's film nominated for six BAFTA awards
Examples: The samples directory has working code for common patterns