常用的线性数据结构: 包括线性表、环形列表、队列、双端队列、单链表、双端链表、堆、栈、字符串数组等。非常有用，值得参考。-commonly used linear data structure : Table includes linear and circular table, queue, queue-end, single-linked list, double-linked list, heap, stack, as a string array. Very useful and val