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）。
这艘曾经的“中国首艘五星红旗豪华邮轮”，如今更像是一个待售的“毛坯房”，昔日引以为傲的那些品牌背书和精装修，新主人未必能用得上。
当地负责同志向总书记介绍：千百年来广济桥就“广济百粤之民”，但真正实现这个夙愿、让群众安居乐业的是中国共产党。。WPS下载最新地址对此有专业解读
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45，更多细节参见safew官方版本下载
At $89.99, the latest Go is the most affordable Polaroid camera available, with film that costs just a little more than Fujifilm’s Instax Mini shots (a 16-sheet pack runs $21.99). The new Go sports a few upgrades over the last-gen model, including USB-C support, and Polaroid claims the camera produces clearer stills than its predecessor. Photos are slightly brighter, though the original Go produced warmer images that felt more true to life. Still, the photos are charming in the way only a Polaroid photo can be. Contrast and color saturation levels are still low, but in a way that exudes the vintage, almost dreamy look of the photos taken with the Flip.
Sound: Bang & Olufsen surround sound (4 speakers)，这一点在爱思助手下载最新版本中也有详细论述