“人民对美好生活的向往，就是我们的奋斗目标。”
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）。
，更多细节参见51吃瓜
Supports advanced login security measures.
On Friday, he said on X that he is designating the company as “Supply-Chain Risk to National Security.” This prevents companies that do business with the Pentagon from using Anthropic’s technology, putting the AI firm in a category normally applied to firms associated with foreign adversaries such as China and Russia.
如果说字节跳动作为一个「外人」，做的尝试对国民级 app 犯了「大不敬」——Google 来做这件事情，意义就完全不一样了。