What is the time complexity of deleting an element from a singly linked list whe

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Question: What is the time complexity of deleting an element from a singly linked list when the pointer to the node is given?

Options:

Correct Answer: O(1)

Solution:

If you have a pointer to the node to be deleted, the deletion can be done in O(1) time.

What is the time complexity of deleting an element from a singly linked list when the pointer to the node is given?

What is the time complexity of deleting an element from a singly linked list when the pointer to the node is given?

Step 1: Understand that a singly linked list consists of nodes, where each node has a value and a pointer to the next node.
Step 2: When you have a pointer to the node you want to delete, you can directly access that node.
Step 3: To delete the node, you need to copy the value from the next node into the current node you want to delete.
Step 4: Then, you change the pointer of the current node to skip the next node, effectively removing it from the list.
Step 5: Since you are directly accessing the node and not traversing the list, this operation takes a constant amount of time, which is O(1).

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