模拟电信系统的收费情况，可以查询，输入市话＆长话的收费等功能-telecommunications system simulation of the charges, inquiries, the importation of the city's long distance charges & function

汇编语言实现加减乘除四则运算，是汇编语言的基本应用,Assembly Language Math & realize four computing, assembly language is the basic application

异质链表 void print(void) //遍历链表输出 int length(void) //求链表长度 void insert_head(double value) //链头插入 void insert_tail(double value) //链尾插入 void insert_k(int k, double value) //第k个元素后插入 void delete_head(void) //链头结点删除 void dele