![Trapping Rain Water — Leetcode 42 [Hard]](https://cdn-images-1.medium.com/max/878/1*rc8BabIQpzGx5wZciAIeyQ.jpeg)
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after…
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after…Continue reading on Nerd For Tech » Read More Python on Medium
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