Perfect if you are stuck at a certain problem number at a certain division and want to practice only those problems. Let's say you want to practice solving problem D of Div. 2, then you can go to Div.

Problem 792 A. New Bus Route: https://codeforces.com/problemset/problem/792/A Problem 801 A. Vicious Keyboard: https://codeforces.com/problemset/problem/801/A Problem ...