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by otterpro 2619 days ago
That video was super-helpful. I believe he is a CS instructor, and his methods are easy to explain and understand, unlike a lot of class that just rush the students into learning bunch of technology before really learning how to think like a programmer.

Also there's his follow up video where he solves the puzzle (https://www.youtube.com/watch?v=z5VKyKvgyRs). Another helpful video is him teaching how to go through a program by hand, using pen and paper (https://www.youtube.com/watch?v=9Ahejeuasf0)