Trapping Rain Water | SDE Sheet | Arrays
source link: https://www.geeksforgeeks.org/videos/trapping-rain-water-r6kisf/
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- 20/04/2022
In this video we will see how to compute how much water a given 'n' non-negative integers representing an elevation map where the width of each bar is 1, is able to trap after raining.
Examples: Input: arr[] = {2, 0, 2} Output: 2 Explanation: Imagine there are 3 columns. Now there are 2 bars on the 1st and 3rd column each and none in the second. Therefore the amount of water trapped is 2 (in the middle column).
Check out the video to see how we implement this!!
Practice Problem: https://practice.geeksforgeeks.org/problems/trapping-rain-water-1587115621/1 Article: https://www.geeksforgeeks.org/trapping-rain-water/ SDE Sheet: https://www.geeksforgeeks.org/sde-sheet-a-complete-guide-for-sde-preparation/
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