Here it is, already uploaded, already in high quality. Problems 1917D - Yet Another Inversions Problem and 1917F - Construct Tree were hard, so no editorial, only me struggling to solve them.
Screencast & Editorial of A–C of Codeforces Round 917 (Div. 2)
Here it is, already uploaded, already in high quality. Problems 1917D - Yet Another Inversions Problem and 1917F - Construct Tree were hard, so no editorial, only me struggling to solve them.