Monotonic stack - Trapping rain water explained with animation

Trapping rain water with monotonic stack
00:03 - Monotonic stack Introduction
00:46 - Increasing monotonic stack
02:52 - Decreasing monotonic stack
04:35 - Trapping rain water problem statement
04:56 - Trapping rain water examples
05:15 - Trapping rain water with monotonic stack explanation
13:22 - Trapping rain water program
leetcode.com/problems/trappin...