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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

  • alexjvalentino + 1 comment

    2 weeks later and it still isn't fixed.

    • saralbhagat0 + 1 comment

      still not fixed

      • shivaaprs + 1 comment

        still the same issue.

        • 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;