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  1. Practice
  2. Data Structures
  3. Linked Lists
  4. Insert a node at the head of a linked list
  5. Discussions

Insert a node at the head of a linked list

  • SutaxKapoor + 1 comment

    still not fixed

    • kunal_tyagi + 2 comments

      Its working in C, try this out. All test case passed SinglyLinkedListNode* insertNodeAtHead(SinglyLinkedListNode* llist, int data) {

      SinglyLinkedListNode* temp = (SinglyLinkedListNode*)malloc(sizeof(SinglyLinkedListNode));
temp->data = data;
temp->next = NULL;

if(llist == NULL){
    llist = temp;
}else{
    temp->next = llist;
    llist = temp;
}
return llist;

      }

      • zakarh + 0 comments

        Stop with the comments. Let this comment thread die.

      • ch_krishnapriya + 0 comments

        I dont see a need for if condition here.

        SinglyLinkedListNode* temp = (SinglyLinkedListNode*)malloc(sizeof(SinglyLinkedListNode)); temp->data = data; temp->next = llist; return temp;