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。
The government-run Bolivian News Agency reported that at least a dozen people were arrested for stealing banknotes.
Фото: Svetlana Vozmilova / Globallookpress.com，更多细节参见safew官方下载
Nature, Published online: 27 February 2026; doi:10.1038/d41586-026-00621-w
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Раскрыты подробности о договорных матчах в российском футболе18:01。关于这个话题，搜狗输入法2026提供了深入分析
Maguire’s contract runs out in the summer and he has yet to sign a new one, but there is optimism at Old Trafford that he will stay at the club he joined for £80m in August 2019. United host Crystal Palace on Sunday, aiming to extend their six-match unbeaten run under Carrick. They have only dropped one point in that period, with Maguire’s value to the interim head coach seen by the fact he has started every fixture of his tenure.