utility.h

Editor C++ 源程序 用链表实现

#include<string.h>      //standard string operations
#include<iostream.h>    //standard iostream operations
#include<limits.h>      //numeric limits
#include<math.h>        //mathematical functions
#include<fstream.h>     //file input and output
#include<ctype.h>       //character classification
#include<time.h>        //date and time function
#include<conio.h>       //con input and output
#include<stdlib.h>      //standard libray
enum Error_code{success,fail,underflow,overflow,range_error};
//enum bool{false,true};