CF1393E2 - Twilight and Ancient Scroll (Harder Version)
CF1217F - Forced Online Queries Problem
CF1510H - Hard Optimization
CF1514E - Baby Ehab's Hyper Apartment
CF1515G - Phoenix and Odometers
CF1516E - Baby Ehab Plays With Permutations
CF1519F - Chests and Keys
CF1519E - Off by One
CF1517F - Reunion
CF1517E - Group Photo