ThemeCP

Been using this site to practice CP.

Practice with ThemeCP: https://themecp.vercel.app/guide

• Blog entry: https://codeforces.com/blog/entry/136704

If you get an AK (4 of 4 solves), increment your level by 1. Otherwise, decrement your level by 1. Remember to upsolve the easiest problem you didn’t get during the mock! This is very important.