Note: The text editorials will be provided by the authors of the round. This video tutorial acts as an additional resource for those who prefer video over text, not as a substitute for the text editorial.
2001A — Make All Equal
Video
2001B — Generate Permutation
Video
2001C — Guess The Tree
Video
2001D — Longest Max Min Subsequence
Video
2001E1 — Deterministic Heap (Easy Version)
Video
It's kind of annoying that these blogs are put up as the first tutorial in the sidebar on rounds and the actual editorial is marked "Tutorial #2"