Leetcode Problem 2807. Insert Greatest Common Divisors in Linked List

2807. Insert Greatest Common Divisors in Linked List

Leetcode Solutions

Iterative GCD Insertion in Linked List

  1. Check if the head is null or if there is only one node in the list. If so, return the head as no insertion is needed.
  2. Initialize two pointers, current and next, to the head and head.next respectively.
  3. While next is not null, perform the following steps: a. Calculate the GCD of current.val and next.val. b. Create a new node with the calculated GCD value. c. Insert the new node between current and next. d. Move current to next. e. Update next to next.next.
  4. Return the modified head of the list.
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Recursive GCD Insertion in Linked List

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