Trapping Rainwater Problem | Leetcode #42

This video explains a very important programming interview problem which is the trapping rainwater problem.In this problem, given an array representing elevation map, we are required to find the amount of water the elevation map can trap.I have explained all the approaches for solving this problem starting from the bruteforce approach to the most optimal approach.I have shown how we can process and highly optimize the time complexity.

CODE LINK is present below as usual. If you find any difficulty or have any query then do COMMENT below. PLEASE help our channel by SUBSCRIBING and LIKE our video if you found it helpful...CYA :)

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