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LL reverse using recursion.cpp
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LL reverse using recursion.cpp
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#include <iostream>
using namespace std;
typedef struct node{
int data;
node* next;
};
node *head;
void insert(int data)
{
node *temp1=new node();
if(head==NULL)
{
temp1->data=data;
temp1->next=NULL;
head=temp1;
}
else
{
node* temp2=new node();
temp2=head;
while(temp2->next!=NULL)
{
temp2=temp2->next;
}
temp2->next=temp1;
temp1->data=data;
temp1->next=NULL;
}
}
void Reverse(node *p)
{
if(p->next==NULL)
{
head=p;
return;
}
Reverse(p->next);
node* q=p->next;
q->next=p;
p->next=NULL;
}
void display()
{
node *temp;
temp=head;
while(temp!=NULL)
{
cout<<temp->data<<" ";
temp=temp->next;
}
}
int main()
{
head=NULL;
int a;
insert(4);
insert(6);
insert(98);
insert(45);
Reverse(head);
display();
return 0;
}