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。
Tommy Schaefer was sentenced to 18 years in prison in Bali for the 2014 murder of Sheila von Wiese-Mack, the mother of Heather Mack, during a luxury holiday, in a case that became known as the Bali suitcase murder. Prosecutors allege the couple were trying to gain access to a $1.5m (£1.1m) trust fund.。safew官方版本下载对此有专业解读
Жители Санкт-Петербурга устроили «крысогон»17:52。关于这个话题，快连下载-Letsvpn下载提供了深入分析
Цены на нефть взлетели до максимума за полгода17:55