Linked List Node Deletion in C
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Questions and Answers

When deleting a node from a linked list in C, which operation should be performed first?

  • Update the pointer of the previous node to skip the node being deleted (correct)
  • Update the pointer of the next node to point to the previous node
  • Free the memory allocated for the node being deleted
  • Update the data of the node being deleted
  • In a singly linked list in C, what is the time complexity to delete a node when its position is given?

  • O(1)
  • O(log n)
  • O(n^2)
  • O(n) (correct)
  • What is the purpose of the 'free' function in C when dealing with linked lists?

  • To rearrange the memory blocks for efficient storage
  • To remove the node from the linked list
  • To modify the data of the node being deleted
  • To mark the memory block as available for future allocation (correct)
  • When deleting a node from a doubly linked list in C, what additional operation is required compared to deleting from a singly linked list?

    <p>Both updating pointer of previous and next nodes</p> Signup and view all the answers

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