Data-structure-cpp-program/stack.cpp at master · shraddha2809/Data-structure-cpp-program · GitHub

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1.	#include<stdio.h>
2.	#include<stdlib.h>
3.	void beg_insert(int);
4.	struct node
5.	{
6.	    int data;
7.	    struct node *next;
8.	};
9.	struct node *head;
10.	void main ()
11.	{
12.	    int choice,item;
13.	    do
14.	    {
15.	        cout<<"\nEnter the item which you want to insert?\n";
16.	        cin>>item;
17.	        beg_insert(item);
18.	        printf("\nPress 0 to insert more ?\n");
19.	        scanf("%d",&choice);
20.	    }while(choice == 0);
21.	}
22.	void beg_insert(int item)
23.	{
24.
25.	    struct node *ptr = (struct node *)malloc(sizeof(struct node));
26.	    struct node *temp;
27.	    if(ptr == NULL)
28.	    {
29.	        printf("\nOVERFLOW");
30.	    }
31.	    else
32.	    {
33.	        ptr -> data = item;
34.	        if(head == NULL)
35.	        {
36.	            head = ptr;
37.	            ptr -> next = head;
38.	        }
39.	        else
40.	        {
41.	            temp = head;
42.	            while(temp->next != head)
43.	                temp = temp->next;
44.	            ptr->next = head;
45.	            temp -> next = ptr;
46.	            head = ptr;
47.	        }
48.	    printf("\nNode Inserted\n");
49.	    }
50.
51.	}
52.
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