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In a singly linked list, how do you delete a node given only access to that node

Practice Questions

Q1
In a singly linked list, how do you delete a node given only access to that node?
  1. Set the node to null
  2. Copy the next node's data
  3. Change the previous node's pointer
  4. You cannot delete it

Questions & Step-by-Step Solutions

In a singly linked list, how do you delete a node given only access to that node?
  • Step 1: Identify the node you want to delete. Let's call this node 'Node A'.
  • Step 2: Look at the next node in the list. Let's call this 'Node B'.
  • Step 3: Copy the data from 'Node B' into 'Node A'. Now 'Node A' has the same data as 'Node B'.
  • Step 4: Change the 'next' pointer of 'Node A' to point to the node after 'Node B'. This skips 'Node B'.
  • Step 5: Now, 'Node B' is no longer accessible from the list, effectively deleting it.
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