Trapping Rain Water - Google Interview Question - Leetcode 42

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Problem Link: neetcode.io/problems/trapping...
0:00 - Read the problem
5:40 - O(n) Memory Solution
11:00 - O(1) Memory Solution
20:05 - Coding Explanation
leetcode 42
This question was identified as an interview question from here: github.com/xizhengszhang/Leet...
#pointer #array #python