#include <iostream>
using namespace std;
#define list_init_size  100
#define LISINTCREMENT   20
#define MAX   10
typedef int Status;
#define ERROR  -1
#define OK      1
#define OVERFLOW  -2
typedef  int ElemType;
typedef int  SElemType;
typedef struct //建立線性表
{
	ElemType *elem;
	int length;
	int listsize;
}Sqlist;


Status Initlist_Sq(Sqlist &l)//初始化線性表
{
	
	
	l.elem=(ElemType * ) malloc(list_init_size * sizeof(ElemType));
	if(!l.elem) exit(OVERFLOW);
	l.length=0;
	l.listsize=list_init_size;

	return OK;
}


Status listinsert_Sq(Sqlist &l,int i,ElemType e)//第 i個位子前插入新的元素e
{   int *p,*q;
	if(i<1||i>l.length+1) return ERROR;
	if(l.length>=l.listsize) 
	{
		l.elem=(ElemType * )realloc(l.elem,(l.listsize+LISINTCREMENT) * sizeof(ElemType));
		if(! l.elem) exit(OVERFLOW);
		
		l.listsize+=LISINTCREMENT;
	}
	q=&(l.elem[i-1]);
	for(p=&l.elem[l.length-1];p>=q;--p)
		*(p+1)=*p;
	*q=e;
	++l.length;
	return OK;
}

Status listDelete_Sq(Sqlist &l,int i,ElemType &e)//刪除線性表中第i個元素,并用e返回其值
{   int *p,*q;
	if(i<1||i>l.length) return ERROR;
	p=&(l.elem[i-1]);
	e=*p;
	q=l.elem+l.length-1;
	for(++p;p<=q;++p) 
		*(p-1)=*p;
	--l.length;
	cout<<"刪除的元素為"<<e<<endl;
	return OK;
}


Status Display_Sq(Sqlist &l)//顯示線性表
{
	int i;
		cout<<""<<endl;
	for(i=0;i<l.length;i++)
	{
	
		cout<<l.elem[i]<<' ';
		
	}

	return OK;
}