* @param {number[]} speed 每辆车的速度数组（英里/小时）
// 2. 维护单调递减栈：弹出所有≤当前价格的索引（这些索引对应的价格无法成为后续价格的「上一个更大值」）
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
Материалы по теме:，更多细节参见搜狗输入法2026
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