#include
#include
#define ERROR 0
#define OK 1
#define ElemType int
#include
using namespace std;
typedef struct LNode
{
int data;
struct LNode *next;
}LNode,*LinkList;
int CreateLink_L(LinkList &L,int n){
LinkList p,q;
int i;
ElemType e;
L = (LinkList)malloc(sizeof(LNode));
L->next = NULL;
q = L;
for (i=0; i<n; i++) {
scanf("%d", &e);
p = (LinkList)malloc(sizeof(LNode));
p->data=e;
q->next=p;
p->next=NULL;
q=p;
}
return OK;
}
int LoadLink_L(LinkList &L){
LinkList p = L->next;
if(p==NULL)printf("The List is empty!");
else
{
printf("The LinkList is:");
while(p!=NULL)
{
printf("%d ",p->data);
p=p->next;
}
}
printf("\n");
return OK;
}
int LinkInsert_L(LinkList &L,int i,ElemType e){
LNode *p=L,*newnode;
int j,k,m,n;
newnode=(LNode *)malloc(sizeof(LNode));
newnode->data=e;
for(j=1;j<=i-1;j++) p=p->next;
newnode->next=p->next;
p->next=newnode;
return OK;
}
int LinkDelete_L(LinkList &L,int i, ElemType &e){
LNode *p=L,*h;
for(int j=1;j<=i;j++)
{
h=p;
p=p->next;
}
h->next=p->next;
e=p->data;
return OK;
}
int main()
{
LinkList T;
int a,n,i;
ElemType x, e;
printf("Please input the init size of the linklist:\n");
scanf("%d",&n);
printf("Please input the %d element of the linklist:\n", n);
if(CreateLink_L(T,n))
{
printf("A Link List Has Created.\n");
LoadLink_L(T);
}
while(1)
{
printf("1:Insert element\n2:Delete element\n3:Load all elements\n0:Exit\nPlease choose:\n");
scanf("%d",&a);
switch(a)
{
case 1: scanf("%d%d",&i,&x);
if(i<1||i>n+1||!LinkInsert_L(T,i,x)) printf("Insert Error!\n");
else {n++;printf("The Element %d is Successfully Inserted!\n", x);}
break;
case 2: scanf("%d",&i);
if(i<1||i>n||!LinkDelete_L(T,i,e)) printf("Delete Error!\n");
else {n--;printf("The Element %d is Successfully Deleted!\n", e);}
break;
case 3: LoadLink_L(T);
break;
case 0: return 1;
}
}
}