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）。
其认为：任何前沿技术的发展与成熟，都需要持续的迭代完善。
。同城约会对此有专业解读
Only one team in the history of European club competitions have lost the first leg of a tie by a three-goal margin at home and advanced in the second. Up in the directors’ box, Evangelos Marinakis, more than an interested party on that occasion, presumably had flashbacks of Olympiakos suffering a 4-1 home defeat by Maccabi Tel Aviv in the Conference League two years ago, only to triumph 6-1 in Serbia in the second leg.
./build/parakeet_bench --110m=models/model.safetensors --markdown