DP interview question

Hello coders!
If you are preparing for coding interviews, I would like to urge you to check out my new YouTube channel Algorithm Forces.
I recently uploaded solution of Best Time To Buy And Sell (LeetCode problem). There are two versions of this problem (easy and hard). I have explained both.
Make sure to check it out! Like and Subscribe to my channel.
Show some love <3.

YouTube Link - Best Time to Buy and Sell

PS- Suggestions are always welcomed!