Screencast & Editorial of A–C of Codeforces Round 917 (Div. 2)

Timecodes: 01:12 — Problem A - Least Product 05:05 — Problem B - Erase First or Second Letter 08:09 — Problem C - Watering an Array 19:58 — Problem D - Yet Another Inversions Problem 1:21:04 — Problem F - Construct Tree 1:54:15 — Editorial of Problem A - Least Product 1:58:01 — Editorial of Problem B - Erase First or Second Letter 2:03:39 — Editorial of Problem C - Watering an Array