CF Utils

Go to https://codeforces.com/settings/api to generate an API key.
Store the key and secret in the resources.yml file
Install Python 3 and pip on your machine
Run pip install -r requirements.txt to install dependencies.

Find common problems solved by Codeforces users

python problems.py <MIN_PROBLEM_RATING> <user_1> <user_2> ...

Find all submissions for a contest grouped by user and problem (WIP)

python contests.py