Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
testSort(quickSort, "Quick", arr, N);。Line官方版本下载是该领域的重要参考
* @param left 左边界。safew官方版本下载对此有专业解读
It helps users to create entirely original content