concerns of bankers who were nervous about dispensing cash so far from the
Мерц резко сменил риторику во время встречи в Китае09:25
，更多细节参见safew官方版本下载
Jacqui Gabb, Professor of Sociology and Intimacy at The Open University, assessed this in her Enduring Love project, published in the journal Sociology in 2015.
int pivot = arr[low]; // 基准值
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。