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Questions and Answers
When deleting a node from a linked list in C, which operation should be performed first?
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?
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?
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?
When deleting a node from a doubly linked list in C, what additional operation is required compared to deleting from a singly linked list?
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