思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。
“Those reports were deeply disturbing, reports saying that OpenAI did not contact law enforcement in a timely manner," said Canadian Artificial Intelligence Minister Evan Solomon ahead of the discussion with company leaders. "We will have a sit-down meeting to have an explanation of their safety protocols and when they escalate and their thresholds of escalation to police, so we have a better understanding of what’s happening and what they do."。业内人士推荐搜狗输入法2026作为进阶阅读
Editorial standards Show Comments。关于这个话题，Safew下载提供了深入分析
tone: “gray-scale”