思路：① 算每辆车到达时间 = (target - position) / speed；② 按位置降序排序；③ 单调递增栈：仅当当前时间 栈顶时间时压栈（新车队），否则合并。栈长即为车队数。可优化为用变量代替栈。
宝马售价大跳水，销量被曝跌回 7 年前
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"I would have gone into the river and down the tunnel and that would have been the end of me.
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However, every now and again, there are moments such as the Friday Night Live! card at Southwell last week which lift the mood completely, and offer hope that a 250-year-old sport has plenty of running left to give.。业内人士推荐WPS下载最新地址作为进阶阅读
The top three TV deals to shop this weekend: