#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <cstdlib>
//#include <conio.h>
using namespace std;
typedef struct
{
int data;
char name[100];
} ElemType;
typedef int Status;
#define OK 1
#define OVERFLOW -2
#define ERROR 0
#define LIST_INIT_SIZE 100
#define LISTINCREMENT 10
typedef struct
{
ElemType *elem;
int length;
int listsize;
} Sqlist;
Status InitList(Sqlist * L);
Status ListInsert(Sqlist *L,int i,ElemType e);
Status ListDelete(Sqlist *L,int i,ElemType *e);
Statys LocateElem(Sqlist L,ElemType e);
Status InitList(Sqlist * L) //线性表的初始化
{
L->elem=(ElemType*)malloc(LIST_INIT_SIZE*sizeof(ElemType));
if(!L->elem)
{
cout<<"OVERFLOW"<<endl;
return ERROR;
}
L->length=0;
L->listsize=LIST_INIT_SIZE;
return OK;
}
Status ListInsert(Sqlist *L,int i,ElemType e) //线性表的插入
{
ElemType *newbase,*q,*p;
int j;
if(i<1||i>L->length+1)
return ERROR;
if(L->length>=L->listsize)
{
newbase=(ElemType *)realloc(L->elem,(L->listsize+LISTINCREMENT)*sizeof(ElemType));
if(!newbase)
{
cout<<"空间已满"<<endl;
return ERROR;
}
L->elem=newbase;
L->listsize=L->listsize+LISTINCREMENT;
}
for(j=(L->length);j>=i;j--)
L->elem[j+1]=L->elem[j];
L->elem[i-1]=e;
++L->length;
return OK;
}
Status ListDelete(Sqlist *L,int i,ElemType *e) //线性表的删除
{
ElemType *p,*q;
int j;
if(i<1||i>L->length)
return ERROR;
*e=L->elem[i-1];
for(j=i;j<L->length;j++)
L->elem[j-1]=L->elem[j];
--L->length;
return OK;
}
Statys LocateElem(Sqlist L,ElemType e) //查找
{
ElemType *p;
int i=1;
p=L.elem;
while(i<=L.length&&(*p++)!=e)
++i;
if(i<=L.length)
return i;
else
return 0;
}
int main()
{
Sqlist Lst;
int n,m;
ElemType e;
cout<<"用户自己定义n组数据:"<<endl;
cin>>n; //用户自己定义n组数据
cout<<"用户自己定义删除的m"<<endl;
cin>>m; //用户自己定义删除 m
if(InitList(&Lst)==OK)
{
for(int i=1; i<=n; i++)
{
cin>>e.data>>e.name;
if(ListInsert(&Lst,i,e)!=OK)
break;
}
}
cout<<endl;
for(int i=0; i<Lst.length; i++)
printf("i,e.data=%d,%d %s\n",i+1,Lst.elem[i].data,Lst.elem[i].name);
getchar();
getchar();
if(ListDelete(&Lst,m,&e)==OK)
{
printf("delete_elem.data=%d %s\n",e.data,e.name);
}
getchar();
for(int i=0; i<Lst.length; i++)
printf("i,e.data=%d,%d %s\n",i+1,Lst.elem[i].data,Lst.elem[i].name);
return 0;
}
顺序表的初始化、插入、删除
最新推荐文章于 2024-10-10 19:42:05 发布