LeetCode 42. Trapping Rain Water - Facebook question

Trapping rainwater is a very frequently asked interview question in all top Tier tech companies. Link: https://leetcode.com/problems/trapping-rain-water/ I have used Two pointers and solved this problem 0:00 Intuition and Solution approach 2:40 Coding with explanation #twopointers #leetcode #arrays Learn more about two pointers technique: https://youtu.be/lthRF-FN7R0