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。
But Reddit's Wong feels people are visiting Reddit because of the "authenticity, the content, and because they're discussing things that you really can't get elsewhere".
Rolls-Royce, the engine-maker and defence firm that is spitting out so much cash it can shove £7bn to £9bn towards buying back shares over the next three years, would like UK taxpayers to find a few quid – reportedly up to £200m as a first slug – to help fund one its big bets. The company would “appreciate” financial support from the government to smooth work on a new engine, says its chief executive, Tufan Erginbilgiç.，推荐阅读safew官方下载获取更多信息
Цены на нефть взлетели до максимума за полгода17:55，更多细节参见同城约会
3. Build the bridge, not the inventory
Active and passive voice changer，更多细节参见爱思助手下载最新版本