Double a Number Represented as a Linked List (LeetCode 2816) (2 Approaches)

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In this Video, i have explained the solution of Double a Number Represented as a Linked List problem. Here, i have explained the solution using reverse linked list and mathematically. You can learn how to implement and analyze the time and Space complexity
Solution and Explaination of Leetcode POTD:
Question: leetcode.com/problems/double-...
By Reversing Linkedin List
Solution1: leetcode.com/problems/double-...
By Mathematically
Solution2: leetcode.com/problems/double-...
0:00 Understanding the Question
1:30 Building Intution
5:50 Implementation
10:12 Time and Space Complexity
11:10 Another Approach
18:10 Implementation
20:30 Time and Space Complexity
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