链表的输出问题。
运行没事，到输出时会出现，“出现一个问题，导致程序停止正常工作，如果有可用的解决方案，windows将关闭程序并通知你。“。的对话框。#include<iostream>
#include<cmath>
#include<cstdlib>
#include<ctime>
using namespace std;
typedef struct node
{
int data;
struct node *next;
} node,*linklist;
linklist init_node()
{
linklist l;
l=new node;
l->next=NULL;
return l;
}
linklist create_node(linklist l)
{
int n,i;
linklist p;
srand((unsigned)time(0));
cout<<"please input element number:";cin>>n;
for(i=0;i<n;i++)
{
p=new node;
p->data=rand()%100+1;
p->next=l->next;
l->next=p;
}
return l;
}
linklist create_node2(linklist l)
{
int n;
linklist p,r;
r=l;
srand((unsigned)time(0));
cout<<"please input element number:";cin>>n;
for(int i=0;i<n;i++)
{
p=new node;
p->data=rand()%100+1;
r->next=p;
r=p;
}
r->next=NULL;
return l;
}
/*linklist insert_linklist(linklist l,int i,int e)
{
linklist p,r;
p=l;
int j=1;
while(p&&j<i)
{
p=p->next;
j++;
}
if(!p&&j>i)
{
return 0;
}
r=new node;
r->data=e;
r->next=p->next;
p->next=r;
return l;
}
linklist delete_linklist(linklist l,int i)
{
linklist p,q;
int j=1;
p=l;
while(p&&j<i)
{
p=p->next;
j++;
}
if(!p&&j>i)
{
cout<<"no delete element"<<endl;
}
q=p->next;
p->next=q->next;
delete q;
return l;
}*/
void show(linklist l)
{
linklist p,r;
p=l->next;
r=l;
cout<<"please output element:";
while(r->next!=NULL)
{
cout<<p->data<<"";
p=p->next;
}
}
int getmidnode(linklist l,int e)
{
linklist search,mid;
mid=search=l;
while(search->next!=NULL)
{
if(search->next->next!=NULL)
{
search=search->next->next;
mid=mid->next;
}
else
{
search=search->next;
}
}
e=mid->data;
return e;
}
int main()
{
node *l;
int i,x;
l=init_node();
create_node2(l);
/*cout<<"please input insert where:";cin>>i;
cout<<"please input insert element:";cin>>x;
l=insert_linklist(l,i,x);
cout<<"please input delete element where:";cin>>i;
l=delete_linklist(l,i);*/
show(l);
cout<<getmidnode(l,x)<<endl;
return 0;
}
程序如上。 :smile 觉得有点长了
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