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Question :

c program for delete a node from linked list


Category Structures in C Interview Questions
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Added on 7/18/2011
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Question :

c program for delete a node from linked list



Answer:

struct node

{

int data;

struct node * next;

}list;

for deleting a node from list first we have read a element which u want to delete and then we have identify previous node of that element.

scanf("%d",&x);

void deletenode(struct node * list)

{struct node * l1=list,temp;

if (l1->data==x) l1=l1->next; //deleting first element

else

{

while (l1->next->data!=x) and (l1!=NULL) l1=l1->next;

temp=l1->next; //here l1 points to previous node

l1->next=l1->next->next;

delete (temp)

}

}


Source: CoolInterview.com



void delete_last()
{

node *q;


q=head;
while(q->next->next!=NULL)
q=q->next;
q->next=NULL;
}
Source: CoolInterview.com



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