数据结构的常用方法该视屏中包含：B树的删除，B树的生长过程，堆的排序，分块查找，直接插入排序，希尔排序，快速排序-Commonly used method of data structures contained in the screen: B-tree delete, B-tree growth process, heap sort, sub-block to find a direct insertion sort, Hill sort, quick sort, etc.