Table of ContentsDescription: Double a Number Represented as a Linked ListExample 1Example 2ConstraintsSolutionTime ComplexitySpace Complexity Description: Double a Number Represented as a Linked List You are given the head of a non-empty linked list representing a non-negative integer without leading zeroes. Return the head of the linked list after doubling it. Example 1 <strong>Input:</strong> head = [1,8,9] <strong>Output:</strong> [3,7,8] <strong>Explanation:</strong> The figure above corresponds ...