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）。
This started with Addition Under Pressure, where I gave Claude Code and Codex the same prompt: train the smallest possible transformer that can do 10-digit addition with at least 99% accuracy. Claude Code came back with 6,080 parameters and Codex came back with 1,644. The community has since pushed this dramatically lower.，推荐阅读im钱包官方下载获取更多信息
Nature staff discuss some of the week’s top science news.。业内人士推荐雷电模拟器官方版本下载作为进阶阅读
Credit: Samsung。业内人士推荐搜狗输入法2026作为进阶阅读
The world's largest automaker has had a somewhat difficult relationship with battery-electric vehicles. Toyota was an early pioneer of hybrid powertrains, and it remains a fan today, often saying that given limited battery supply, it makes sense to build more hybrids than fewer EVs. Its first full BEV had a rocky start, suffering a recall due to improperly attached wheels just as the cars were hitting showrooms. Reviews for the awkwardly named bZ4x were mixed; the car did little to stand out among the competition.