Given a linked list L of N nodes, sorted in ascending order based on the absolute values of its data,i.e. negative values are considered as positive ones. Sort the linked list according to the actual values, consider negative numbers as negative and positive number as positive.
Your Task:
You don't need to read or print anyhting. Your Task is to comple the function sortList() which takes the head of the Linked List as input parameter and sort the list in ascending order. Don't create a new Linked List instead rearrange the given List.
Expected Time Complexity: O(N) Expected Space Complexity: O(1)
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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