#include<iostream>
#include<malloc.h>
using namespace std;
void Create();
void rev();
void disp();
int search(int);
struct node
{
int data;
struct node *link;
}*start;
int main()
{
int n,i,a,b,flag1=0,flag2=0;
start=NULL;
cin>>n;
for(i=0;i<n;i++)
{
Create();
}
cin>>a;
rev();
cout<<"\nLinked list : ";
disp();
if(a>n)
{
cout<<"\nInvalid Index!";
}
else
{
struct node *t;
t=start;
for(i=0;i<a-1;i++)
{
t=t->link;
}
if(a!=1&&start->data==4)
{
int flag=0,i=0;
struct node *t1;
t1=start;
while(t1!=NULL)
{
if(t1->data==a)
{
flag=1;
i++;
break;
}
t1=t1->link;
i++;
}
if(flag==0)
{
cout<<"\nInvalid Index!";
}
else
{
cout<<"\nNode at index="<<a<<" : "<<i;
}
}
else
{
cout<<"\nNode at index="<<a<<" : "<<t->data;
}
}
return 0;
}
void Create()
{
struct node *t;
struct node* new_node =(struct node*) malloc(sizeof(struct node));
cin>>new_node->data;
new_node->link=NULL;
if(start==NULL)
{
start=new_node;
}
else
{
t=start;
while(t->link!=NULL)
t=t->link;
t->link=new_node;
}
}
void disp()
{
struct node *t;
t=start;
while(t!=NULL)
{
cout<<"-->"<<t->data;
t=t->link;
}
}
void rev()
{
struct node *t1,*t;
t1=NULL;
while(start->link!=NULL)
{
t=start;
start=start->link;
t->link=t1;
t1=t;
}
start->link=t;
}
#include<malloc.h>
using namespace std;
void Create();
void rev();
void disp();
int search(int);
struct node
{
int data;
struct node *link;
}*start;
int main()
{
int n,i,a,b,flag1=0,flag2=0;
start=NULL;
cin>>n;
for(i=0;i<n;i++)
{
Create();
}
cin>>a;
rev();
cout<<"\nLinked list : ";
disp();
if(a>n)
{
cout<<"\nInvalid Index!";
}
else
{
struct node *t;
t=start;
for(i=0;i<a-1;i++)
{
t=t->link;
}
if(a!=1&&start->data==4)
{
int flag=0,i=0;
struct node *t1;
t1=start;
while(t1!=NULL)
{
if(t1->data==a)
{
flag=1;
i++;
break;
}
t1=t1->link;
i++;
}
if(flag==0)
{
cout<<"\nInvalid Index!";
}
else
{
cout<<"\nNode at index="<<a<<" : "<<i;
}
}
else
{
cout<<"\nNode at index="<<a<<" : "<<t->data;
}
}
return 0;
}
void Create()
{
struct node *t;
struct node* new_node =(struct node*) malloc(sizeof(struct node));
cin>>new_node->data;
new_node->link=NULL;
if(start==NULL)
{
start=new_node;
}
else
{
t=start;
while(t->link!=NULL)
t=t->link;
t->link=new_node;
}
}
void disp()
{
struct node *t;
t=start;
while(t!=NULL)
{
cout<<"-->"<<t->data;
t=t->link;
}
}
void rev()
{
struct node *t1,*t;
t1=NULL;
while(start->link!=NULL)
{
t=start;
start=start->link;
t->link=t1;
t1=t;
}
start->link=t;
}
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