LEETCODE HARD - Trapping Rain Water - JAVASCRIPT

Hi! I'm Ian! I'm a software engineer with a passion for wildlife conservation! In past careers, I've been a zookeeper and a teacher, and I've dabbled in music and book-writing! Welcome to my channel :) In this video, I solve LeetCode #42, Trapping Rain Water! Enjoy! To learn more about cuttlefish, watch this video (it's my favorite!): https://www.youtube.com/watch?v=GDwOi7HpHtQ