熟练掌握并灵活运用C语言知识点，特别是指针和结构，以及文件操作。 熟练掌握并灵活运用常见的数据结构数组,链表和树。 熟练掌握并灵活运用相关的检索与排序算法。 -Proficiency and flexibility in the use of the C language knowledge, especially pointer and structure, as well as file operations. Proficiency and flexibility in the

写递归函数的递归定义的数据结构和数学抽象。 用递归来实现链表和树。(含链表和树的各种操作)-writing recursive functions that operate on recursively‐defined data structures and mathematical abstractions. Use recursion to realize lists and trees.