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New RAD youtube channel with tutorials and stuff.
So I just made my first video which is a step by step tutorial of this problem 634E - Preorder Test. The video link is Here. Please watch it and tell whether I should make more or improve anything. Your suggestions are welcome :D.
(P.S. Sorry for the terrible quality, somehow youtube converted my 720p to 360p for no reason. I'll try to fix it.)
