An extension to enhance the experience for atcoder
Accurately predict your rating during an ongoing contest.
You can add more test cases to the problem statement and download all test cases with one click.
You can also copy and download test cases and debug your code with those test cases.
If the test cases of that contest are available
Click one of the 
buttons you see above and a custom test page should be opened. Your submission code and input/output should be filled in.
- A part of my source code is copied from atcoder-rating-estimator
When creating prediction data, the backend will predict performance for rank as an integer, but in reality, rank can be rounded to 0.5 (document (formula 2)). Therefore, there may be prediction errors.
Before running the tests, create .env as .env.example file then fill your atcoder account.
Turn self-hosted Github action locally. It will listen for events defined at the GitHub action's .yml file
cd actions-runner
./run.cmd