Avoiding specific road types or toll roads.
The bulk of this is thought to have been accrued by five key departments – the Cabinet Office, Home Office, Department of Health and Social Care, Treasury and UK Health Security Agency, which have been repeatedly asked to provide evidence.
，这一点在搜狗输入法2026中也有详细论述
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）。
[1]《官宣！刘强东进军游艇业，打算造10万元级别游艇》南方+