Codeforces Graph Series: DFS on a Tree Tutorial

Codeforces Graph Theory/ Problem Solving/ Algorithm Series: This is the first video of my Codeforces Graph Series. This is an introductory tutorial that discusses the mechanics of a DFS on a Tree. If you are already well versed with DFS on a Tree then you may want to skip to the 1st problem in the series (Kefa and Park - Rated 1500) here:    • Codeforces Graph Series: Kefa and Park (Ra...