描述：n 辆车在单行道开往 target。车不能超车，可追上前车并同速行驶。车队定义为并排或同速行驶的车组。返回到达目的地的车队数量。
We'll review and merge
。WPS下载最新地址对此有专业解读
Credit: CaseBorne
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· 李娜 · 来源：user资讯