在C++中，三位数组和二维数组不能够动态生成，但是可以使用指针来动态生成数组空间-In programming language C++, the 3 dimension array and 2 dimension array cannot be generated dynamically, however we can use pointer to generate the array

在双向链表能完成各种插入节点,删除节点操作.与单链表上的插曲和删除操作不同,双向链表中插曲和删除可以同时修改两个方向上的指针.-Doubly linked list to complete various insert node, delete node operation. Episode, and delete operations on a single linked list, doubly linked list episode and delete pointer can modif