mechanism itself was introduced.
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，这一点在爱思助手下载最新版本中也有详细论述
Then HK$565 per month. Complete digital access to quality FT journalism on any device. Cancel anytime during your trial.，详情可参考WPS官方版本下载
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）。