1

#include<stdio.h>
typedef struct Node
{
    int data;
    struct Node *next;
}
node;

int main()
{
    node *start = (node *)malloc(sizeof(node));
    start->data = 1;
    start->next = NULL;

    node *sf =(node *)malloc(sizeof(node));
    sf->data = 2;
    sf->next = NULL;

    node *tf =(node *)malloc(sizeof(node));
    tf->data = 6;
    tf->next = NULL;

    node *ff =(node *)malloc(sizeof(node));
    ff->data = 8;
    ff->next = NULL;

    node *fif =(node *)malloc(sizeof(node));
    fif->data = 10;
    fif->next = NULL;

    start->next = sf;
    sf->next = tf;
    tf->next = ff;
    ff->next = fif;

    printf("start = %d data1: %d next: %d\n",start ,start->data ,start->next);
    printf("secondFloor = %d data2: %d next: %d\n",sf ,sf->data ,sf->next);
    printf("thirdFloor = %d data3: %d next: %d\n",tf ,tf->data ,tf->next);
    printf("forthFloor = %d data3: %d next: %d\n",ff ,ff->data ,ff->next);
    printf("fifthFloor = %d data3: %d next: %d\n",fif ,fif->data ,fif->next);

}