## [LeetCode] Trapping Rain Water (Java)

Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. For example, Given [0,1,0,2,1,0,1,3,2,1,2,1], return 6. Analysis To find the trapped water at position i, we need to find the maximum value of the left elements of i and right elements of … Read more