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）。
final tools = [
，更多细节参见服务器推荐
艾媒咨询数据显示，在4000元以上的高端两轮电动车市场，九号拿下超过50%的份额。叠加 2025 年归母净利润预计同比增长 54.04%-70.64% 的亮眼业绩，成为资本市场关注的焦点。但在高增长光环之下，业务结构失衡、竞争壁垒稀释、政策与地缘风险等隐忧也在积聚，其长期投资价值需在红利与风险的平衡中审慎考量。，这一点在im钱包官方下载中也有详细论述
From there, Michael took a less conventional path than many Silicon Valley executives by moving into government, serving from 2009 to 2011 as a White House fellow under President Barack Obama, serving as special assistant to then–Defense Secretary Robert Gates at the DOD where he managed projects in Afghanistan, Iraq, and Pakistan and oversaw efforts aimed at reducing bureaucracy to provide resources to soldiers.