Insertion of an element at the middle of a linked list requires the modification of how many pointers?a.4b.3c.2d.1
Question
Insertion of an element at the middle of a linked list requires the modification of how many pointers?a.4b.3c.2d.1
Solution
The insertion of an element in the middle of a linked list requires the modification of 2 pointers.
Here's the step-by-step process:
- Create a new node with the given value.
- Traverse the linked list to find the position where the new node needs to be inserted. Keep track of the previous node.
- Once the position is found, modify the 'next' pointer of the previous node to point to the new node.
- Modify the 'next' pointer of the new node to point to the node that was originally next in the sequence.
So, the answer is c. 2.
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