This video covers all important concepts of monotonic stack
Next greater element , Next smaller element , Previous greater element and previous smaller element.
Notes: https://drive.google.com/drive/folders/1q-FVv_4B3gcKjVCSLUi36t8qEeSWB9Y4?usp=drive_link
#monotonic_stack #stack #dsa #Leetcode #interviewprep
