RAVI PATEL rv5047

## doubly_linked_list.cpp
#include<iostream>
#include<stdlib.h>
using namespace std;

struct node
    {
    int info;
    struct node *next;
    struct node *prev;
    }*head=NULL,*tail=NULL;

## linked_list.cpp
#include<iostream>
#include<stdlib.h>
using namespace std;

struct node
    {
    int info;
    struct node *link;
    }*head=NULL;
	#include<iostream>
	#include<stdlib.h>
	using namespace std;

	struct node
	{
	int info;
	struct node *next;
	struct node *prev;
	}head=NULL,tail=NULL;