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linked list
Posted Date:
Total Responses: 0
Posted By: Dhananjoy Chakraborty Member Level: Gold Points/Cash: 3
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# include
# include
struct link
{
int data;
struct link *next;
};
int i,x=0;
struct link *start=NULL,*p,*node;
void create()
{
char ch;
i=1;
node=start;
node->next = (struct link* ) malloc(sizeof(struct link));
node = node->next;
/*first location is created and node is now holding the address of the first location. */
printf("\n Enter value for node: %d: ",i);
scanf("%d", &node->data);
fflush(stdin);
node->next = NULL;
printf("\n Enter choice--'n' for break: ");
ch = getche();
while(ch != 'n')
{
i=i+1;
node->next = (struct link* ) malloc(sizeof(struct link));
node = node->next;
printf("\n Enter value for node: %d: ",i);
scanf("%d", &node->data);
node->next = NULL;
printf("\n Input choice n for break: ");
ch = getche();
}
printf("\n Total nodes = %d\n", i);
}
void dis()
{
node=start->next;
while(node)
{
printf("%d\n",node->data);
node=node->next;
}
}
void del()
{
char c;
printf("\nWant to delete the first node (y/n):-");
c=getche();
if(c=='y')
{
x++;
node=start->next;
p = start;
/*external pointer start is holding the address of the first node while the other pointer p is storing NULL */
p->next=node->next;
free(node);
}
else // else block of if(c=='y')
printf("\nYou are not interested in deleting the first node.");
if (x!=0)
{
printf("\n After deleting last node list is as follows\n");
node=start->next;
while (node)
{
printf(" %d", node->data);
node = node->next;
}
}
}
void main()
{
clrscr();
create();
printf("\nPresent position of the linked list before deletion:-\n");
dis();
del();
getch();
}
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Project Feedbacks
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| Author: abhijeet | Member Level: Silver | Revenue Score:  | good code
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